The process of making an umbrella | Umbrella making machine for sale

 Before making an umbrella: purchase a high-quality umbrella stand, umbrella cloth, accessories

The soul of an umbrella is its skeleton, and its durability is proportional to its quality. The umbrella stand used must be produced by a well-known large factory in the industry, with reliable quality and solid material; the procurement of umbrella cloth is also very strict. After each roll of umbrella cloth arrives at the factory, it must be tested by a cloth running machine to ensure that there is no yarn running. , damage and other defects.

The process of making an umbrella is as follows:

STEP 1. Big cut

The so-called big cut is to cut a roll of umbrella cloth into a small strip shape (three-fold umbrella can be opened three). This procedure can be done with a cloth cutting machine or a worker with a blade. When the cloth is opened, it will be taken to join the edge (to prevent the umbrella cloth from running out of yarn), and the umbrella cloth that has been pulled will be handed over to the small cutting master (hereinafter referred to as the small cutting). )

STEP 2. Small cutting

The so-called small cut is to cut the long strip of umbrella cloth after the big cut into pieces of triangular pieces, which are used as the umbrella surface of the umbrella. The worker first made a triangular wooden frame with some wooden strips, placed the wooden frame on the umbrella cloth, and then carefully cut it out piece by piece with a blade. This process is completely done by hand, without using any machinery.

STEP 3. Umbrella printing

There are several printing methods used in umbrella making, among which screen printing is the most common. First, a screen is made with a screen drying machine, and then the screen is fixed on a square wooden frame. Pour the paint into the wooden frame, then cover the wooden frame on the triangular umbrella cloth, swipe with the oil brush a few times, and the pattern will be printed on the umbrella cloth. This procedure can be done using mechanical or human hands. The characteristic of screen printing is that the pattern is bright and clear, and it is generally ideal to print a pattern or company logo in solid color.

Screen printing is to stretch silk fabric, synthetic fiber fabric or metal mesh on the screen frame, and use the method of hand-carved paint film or photochemical plate making to make screen printing plate. During printing, through the extrusion of the squeegee, the ink is transferred to the substrate through the mesh of the graphic part to form the same graphic as the original. Screen printing equipment is simple, easy to operate, easy to print and plate making, low cost, and strong adaptability. Screen printing is widely used in common prints: color oil paintings, posters, business cards, binding covers, commodity signs, and printed and dyed textiles.

Step 4. Lamination

After the screen printing is completed, the triangular pieces can be combined with a sewing machine to make an umbrella surface. Different types of umbrellas have different numbers of triangular pieces on the umbrella surface, ranging from 6 pieces to 24 pieces. The workers use their hands to stitch each triangle piece by piece. This step is extremely important. The needles of the sewing machine should be small and the number of needles should be sufficient, otherwise there will be water seepage when it rains.

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Step 5. Loading umbrella beads, accessories and umbrella surface treatment

After the umbrella surface is completed, workers use a special machine to put umbrella beads on each corner. Umbrella beads are important accessories for umbrellas, which are used to fix the umbrella surface on the rib. The material is plastic or iron, and there are a variety of shapes to choose from. It is also necessary to match the umbrella with the umbrella belt and umbrella cover, and then top the umbrella surface (otherwise the umbrella cannot be installed on the umbrella stand) and sew the umbrella belt on the umbrella surface.

Step 6. Upper Bone

This procedure is to join the umbrella surface and the umbrella rib. The worker must connect the umbrella surface to the umbrella rib by hand, needle by a thread, without using any machine. On each umbrella rib, the worker usually uses two to three knots to tie and Tighten the ribs and umbrella surface.

Step 7. Assembly Parts

At this point, an umbrella has been basically completed. Now it is necessary to check the quality of the umbrella and deal with the thread. The next step is to help the umbrella with qualified quality accessories, mainly to install the umbrella top, fungus flower, and handle. The handle of the pole umbrella is basically glued and glued so that an umbrella is basically done.

Step 8. Quality inspection

1. Switch performance test: 

When you have an umbrella in your hand, you must first open the umbrella flexibly. Once it is opened to the top, it will not be blocked or fall, and it will be fine once it is closed, and it will be opened smoothly. The switch ports do not fail or fall off. When using an automatic umbrella, it is standard to open and close well, and the automatic button will not fail. The button must not actuate itself. Press the button lightly with your hand, the self-opening speed should be fast but not violent, even, and powerful. The pull should not be too heavy when retracting.

2. Umbrella rib inspection: 

The rib should not be easy to rust, the electroplating surface should be smooth, and the spring should be flexible. The upper, middle and lower nest binding lines should be pressed flat so that they are flat and free of thorns. When the switch is recycled, the center rod plating will not be scratched and make a metallic screeching sound.

3. Umbrella surface inspection: 

The umbrella cloth should be a special umbrella cloth with twill weave, and it should be flat and tight, not leaking in heavy rain, no pollution, no holes, no yarn jumping, consistent color, similar pattern, and stripe stitching. The surface of the nylon cloth umbrella should have a rain-proof resin glue, no leakage in heavy rain, no obvious weaving defects and leakage, and no starlight.

The phenomenon of light transmission. When the umbrella surface is opened, the shape of the umbrella should be full and beautiful, and should not be in the shape of a "pot and dish" or "deep bowl". The inspection standard of the rainbow umbrella The sewing thread of the whole umbrella must be cleaned and cut, and there must be no thread on the umbrella cloth.

4. Inspection of other components: 

The umbrella rod should be round and bright, without burrs, shelling, cracks in the weld and other abnormal shapes. The end face of the exposed top should be flat but not sharp, smooth but not hollow. The shape of the umbrella handle should be beautiful, firm and stable, and the handle should be comfortable. In addition, after the umbrella is opened, there should be no joint loosening or fluttering feeling when shaking.

• Umbrella test:

A. Remove the umbrella cover, open the umbrella buckle, shake the umbrella surface, and make it open evenly.

B. Push up on the button of the umbrella handle (be careful not to hold down the button) until the top of the umbrella is firmly stuck. After opening, shake the umbrella to see if it is firm.

• Umbrella collection test:

A. The automatic umbrella handle is at the button of the umbrella handle, and the umbrella is closed with a single push. Press the switch button of the manual umbrella, and pull it gently to close the umbrella and buckle it to the switch position.

B. After closing, close the umbrella ribs to the umbrella holder, then straighten the umbrella leaves one by one along the crease, close the umbrella pages in the same direction, find the umbrella buckle, and follow the umbrella with the umbrella buckle.

Grab the umbrella leaf from the middle, tighten the strap on the umbrella buckle and rotate it around the umbrella leaf to buckle it. When placing the umbrella cover, turn it clockwise to face down, and the umbrella coverage can be easily installed.

Step 9. Packaging

After the umbrella is completed, the completed umbrella should be checked randomly. After confirming that there is no problem, the cloth cover and PVC rubber cover should be installed, and then the box should be packed. After packing, it should be weighed to ensure that the number of each box is the same. In stock and waiting for delivery.