A template quick-change device for a button sewing machine and a method of using the same

Abstract

The present application relates to the field of sewing machine, specifically relates to a template quick-change device for button sewing machine and a using method thereof, and solves the problems of accuracy of button sewing position, operation difficulty and low button sewing efficiency.The technical scheme of the present application comprises a U-shaped lower positioning block and a quick-change template;the opening end of the U-shaped lower positioning block is spliced with the front end circular table of the button sewing machine base, and the quick-change template is arranged on the upper surface of the U-shaped lower positioning block;the upper surface of the quick-change template is provided with a sunken inner cavity, the bottom surface center of the inner cavity is provided with a circular through hole for the passing of a button pressing assembly of the button sewing machine, the blocking edge of the inner cavity is provided with a left pressing piece and a right pressing piece which can rotate by 360 degrees, and the material piece is arranged at the inner cavity of the quick-change template and is attached to the blocking edge of the inner cavity to limit movement, and the operation process of the present application realizes quick switching by quickly taking down and installing corresponding templates according to different shapes of material pieces, so that precise and quick button sewing is realized.

Description

Technical Field

[0001] This invention relates to the field of sewing machines, and more specifically to a template quick-change device for a button attaching machine and its usage method. Background Technology

[0002] Current button-attaching machines rely on manual marking of button installation positions on the material sheet before placing the sheet into the corresponding position on the machine. Manual assistance is also required to hold the sheet in place while attaching the button. This results in significant errors in button placement, demands high operator skill, and the cumbersome process increases time costs, reduces production efficiency, and wastes resources. Summary of the Invention

[0003] In view of this, in order to solve the problems of accuracy of button placement, reduction of operation difficulty and low buttoning efficiency, the present invention provides a template quick-change device for buttoning machines and its usage method. The operation process is to quickly remove and install the corresponding template according to different shaped pieces to achieve rapid switching, thereby achieving accurate and fast buttoning.

[0004] To address the problems existing in the prior art, the technical solution of the present invention is: a template quick-change device for a button-attaching machine, characterized in that: it includes a U-shaped lower positioning block and a quick-change template; the open end of the U-shaped lower positioning block can be spliced ​​together with the front frustum of the button-attaching machine base, and the quick-change template is placed on the upper surface of the U-shaped lower positioning block; the upper surface of the quick-change template is provided with a recessed inner cavity, and the bottom center of the inner cavity is provided with a circular through hole for the button-attaching machine's pressing assembly to pass through; the inner cavity's retaining edge is provided with a left pressure plate and a right pressure plate that can rotate 360°; the material sheet is placed in the inner cavity of the quick-change template and fits against the retaining edge of the inner cavity, restricting movement.

[0005] Furthermore, the left and right pressure plates are each connected to the quick-change template via two hexagonal head screws.

[0006] Furthermore, the inner cavity of the quick-change template is equipped with left-side notches for the upper pressing frame handle of the nail fastener and right-side notches for the material sheet at the left and right sides of the retaining edge.

[0007] Furthermore, symmetrical threaded through holes are provided on both sides of the "U"-shaped lower positioning block, and the "U"-shaped lower positioning block is fixed to the two end planes of the button-making machine base by flat-end fastening screws (10).

[0008] Furthermore, a waist-shaped through hole is provided near the arc end of the "U"-shaped lower positioning block, and a wood screw is installed in the waist-shaped through hole to fix it to the table of the fastening machine.

[0009] Furthermore, the lower positioning block of the "U" shape and the quick-change template are respectively provided with three corresponding pin holes and one threaded through hole for connection.

[0010] Furthermore, the height of the inner cavity is the same as the height of the sheet material.

[0011] A method of using a template quick-change device on a button-attaching machine, characterized in that: 1) At the beginning, the machine is in standby state, the upper pressure column and upper pressure frame on the button assembly are in the highest position, the corresponding button material quick-change template is installed on the "U"-shaped lower positioning block, and the upper and lower positioning is achieved by the upper and lower cooperation of the pin shaft, and at the same time it is fastened with hexagonal cylindrical head screws. The left pressure plate and the right pressure plate are simultaneously fixed to the side with hexagonal cylindrical head screws.

[0012] 2) Insert the button on the snap fastener assembly with the back arc facing upward into the groove under the upper pressure post, and place the button body with the tip facing upward into the fixed position on the base of the snap fastener machine. At this time, place the material sheet on the quick change template, and at the same time ensure that the three sides of the material sheet are completely in contact with the three edges of the quick change template.

[0013] 3) Step on the pedal. At this time, the upper pressure frame falls down first and interacts with the lower pressure frame on the snap fastener assembly to press the material sheet. At the same time, the upper pressure column drives the button back to move downward and acts on the material sheet. At this time, the upper pressure column exerts force to fasten the button back, material sheet and button body together tightly.

[0014] 4) Release the foot pedal, and the upper pressure column will move upward to the highest position away from the material piece. At the same time, the upper pressure frame will move upward to the highest position. At this point, remove the fastened material piece, and one fastening process is complete.

[0015] 5) Steps 1), 2), 3) and 4) constitute a complete motion process, and then repeat the above steps.

[0016] Compared with the prior art, the advantages of the present invention are as follows:

[0017] 1. This invention uses a lower positioning block and a quick-change template in conjunction with a fastening machine head to fasten materials of different shapes. Different templates can be used to fasten materials of different shapes, which is convenient and fast.

[0018] 2. This invention uses left and right pressure plates for upper fixation to prevent the material sheet from curling up after being placed in, and also to prevent sewing errors caused by inaccurate positioning due to the material sheet curling up after being placed in. At the same time, the left and right pressure plates are tilted to fix the material sheet, making the edges and corners visible, so that it is easy to judge whether the material sheet is placed in place during operation.

[0019] 3. This invention uses pin positioning, making template replacement faster and more accurate.

[0020] 4. This invention cleverly utilizes a mechanical structure that combines different materials with different templates, making the snap-on process more "foolproof" and simpler, more efficient, and more accurate to use.

[0021] 5. This invention simplifies the operation process, increases work efficiency, and improves and beautifies the appearance. Attached Figure Description

[0022] Figure 1 This is a structural diagram of the present invention.

[0023] Figure 2 This is an assembly reference diagram for the quick-change template device used in this invention.

[0024] Figure 3 This is a reference diagram showing the working state of the quick-change template device used in this invention.

[0025] Figure 4 The following are reference diagrams showing different sizes of sheet metal and corresponding quick-change templates used in this invention, where a is the sheet metal and template for the left sleeve of the inner leaflet of the six-backed structure; b is the sheet metal and template for the left sleeve of the outer leaflet of the four-backed structure; c is the sheet metal and template for the right sleeve of the inner leaflet of the four-backed structure; and d is the sheet metal and template for the left sleeve of the outer leaflet of the six-backed structure.

[0026] Attached diagram descriptions: 1-U-shaped lower positioning block, 2-Quick change template, 3-Pin shaft, 4-Left pressure plate, 5-Right pressure plate, 6-M6 socket head cap screw, 7-Table plate, 8-M4 socket head cap screw, 9-Wood screw, 10-Flat end fastening screw, 11-Upper pressure post, 12-Button back, 13-Upper pressure frame, 14-Button body, 15-Lower pressure frame, 16-Material sheet. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0028] This embodiment describes a quick-change template device for a button-attaching machine, such as... Figure 1 As shown, the device includes a U-shaped lower positioning block 1 and a quick-change template 2. The open end of the U-shaped lower positioning block 1 coincides with the surface of the front frustum of the button-attaching machine base. The quick-change template 2 is placed on the upper surface of the U-shaped lower positioning block 1. The upper surface of the quick-change template 2 is provided with a recessed inner cavity. The bottom center of the inner cavity is provided with a circular through hole for the button-attaching machine's pressing assembly to pass through. The inner cavity of the quick-change template 2 is provided with a left pressure plate 4 and a right pressure plate 5 that can rotate 360° through two M4 hexagon socket head cap screws 8. A material sheet 16 is placed in the inner cavity of the quick-change template 2 and fits against the inner cavity's edge to restrict movement. The height of the inner cavity is the same as that of the material sheet 16.

[0029] The table 7 of the button-attaching machine is located at the bottom of the button-attaching machine head. The button-attaching machine head is equipped with a button-pressing assembly, which includes an upper pressing post 11, an upper pressing frame 13, and a lower pressing frame 15. The upper pressing post 11, the upper pressing frame 13, and the lower pressing frame 15 are arranged on the same axis. The upper pressing post 11 moves up and down. The button back 12 is placed and clamped to the head of the upper pressing post 11. The upper pressing frame 13 moves up and down. The lower pressing frame 15 is fixed on the button-attaching machine base. The upper pressing frame 13 and the lower pressing frame 15 interact with each other. The button body 14 is placed on the fixed groove surface on the button-attaching machine base. The upper pressing frame is moved up and down by a cylinder, which is convenient and fast.

[0030] The quick-change template 2 has left and right relief notches on the left and right sides of the inner cavity for the upper pressure frame 13 handle of the rivet fastener and right relief notches for the material sheet 16.

[0031] The aforementioned "U"-shaped lower positioning block 1 has symmetrical threaded through holes on both sides. The "U"-shaped lower positioning block 1 is fixed to the two end planes of the button-making machine base by flat-end fastening screws 10. The "U"-shaped lower positioning block 1 has a long groove-shaped stepped through hole near the arc end. Wood screws 9 pass through the stepped hole and connect to the table plate 7.

[0032] The aforementioned "U"-shaped lower positioning block 1 is provided with three pin holes and one threaded through hole for fixing the quick-change template 2. The quick-change template 2 is placed on the upper surface of the "U"-shaped lower positioning block 1. The quick-change template 2 is provided with three pin holes and one through hole corresponding to the "U"-shaped lower positioning block 1. The two are fixed together by a pin 3 and an M6 socket head cap screw 6.

[0033] This invention allows for the replacement of different templates depending on the material sheet, such as... Figure 4 As shown, Figure 4 a represents the left-side sleeve material and template of the six-back inner leaflet; Figure 4 b represents the left sleeve material and template of the four outer leaflets; Figure 4 c represents the right sleeve material and template of the four inner leaflets; Figure 4 d represents the left sleeve material and template of the six-sided outer leaflet.

[0034] The steps of using the template quick-change device for a button-attaching machine according to the present invention are as follows: Figure 2 and Figure 3 As shown:

[0035] 1) At the beginning, the machine is in standby state, with the upper pressure column 11 and the upper pressure frame 13 in the highest position. The corresponding nail fastener template is installed on the "U"-shaped lower positioning block 1 and positioned by the upper and lower engagement of the pin shaft 3. At the same time, it is fastened with M6 socket head cap screws 6. The left pressure plate 4 and the right pressure plate 5 are simultaneously fixed to the side with M4 socket head cap screws 8.

[0036] 2) Insert the button back 12 with the arc side facing up into the groove of the upper pressure post 11, and place the button body 14 with the tip facing up into the fixed position of the button attaching machine base. At this time, place the material sheet 16 on the quick change template 2, while ensuring that the three sides of the material sheet 16 are completely in contact with the three edges of the quick change template 2.

[0037] 3) Step on the pedal. At this time, the upper pressure frame 13 falls down first and interacts with the lower pressure frame 15 to press down the material piece 16. At the same time, the upper pressure column 11 drives the button back 12 to move downward and act on the material piece 16. At this time, the upper pressure column 11 exerts force to fasten the button back 12, the material piece 16, and the button body 14 together tightly.

[0038] 4) Release the foot pedal, and the upper pressure column 11 moves upward from the material piece 16 to the highest position. At the same time, the upper pressure frame 13 moves upward to the highest position. At this time, remove the fastened material piece 16, and one fastening process is completed.

[0039] 5) Steps 1), 2), 3) and 4) constitute a complete motion process, and then repeat the above steps.

[0040] The above description is merely a preferred embodiment of the present invention and is not intended to limit the scope of protection of the present invention.

Claims

1. A die quick change device for use on a button attaching machine, characterized by: It includes U-shaped lower positioning block (1) and quick-change template (2); the opening end of U-shaped lower positioning block (1) is spliced with the front end circular table of button sewing machine base, and quick-change template (2) is arranged on the upper surface of U-shaped lower positioning block (1); the upper surface of quick-change template (2) is provided with a sunken inner cavity, the bottom surface center of the inner cavity is provided with a circular through hole for the passing of the button pressing assembly of the button sewing machine, the blocking edge of the inner cavity is provided with a left pressing piece (4) and a right pressing piece (5) which can rotate by 360 degrees, and a material piece (16) is arranged at the inner cavity of quick-change template (2) and is attached to the blocking edge of the inner cavity to limit movement. The four sides of the U-shaped lower positioning block (1) and the quick-change template (2) are respectively provided with three upper and lower corresponding pin holes and a threaded through hole for connection.

2. A quick change die set for a button attaching machine according to claim 1, wherein: The left pressing piece (4) and the right pressing piece (5) are connected with the quick-change template (2) through two M4 inner hexagonal cylindrical head screws (8) respectively.

3. The quick change die head for use in a button attaching machine according to claim 1 or 2, wherein: The left and right blocking edges of the inner cavity of the quick-change template (2) are provided with a left collision notch for the handle of the upper pressing frame (13) of the button sewing machine and a right collision notch for the material piece (16).

4. The quick change device for the plate of the button sewing machine according to claim 3, wherein: The two sides of the U-shaped lower positioning block (1) are provided with symmetrical threaded through holes, and the U-shaped lower positioning block (1) is fixed on the two end planes of the button sewing machine base through flat-end fastening screws (10).

5. A quick change die set for a button attaching machine according to claim 4, wherein: The U-shaped lower positioning block (1) is provided with a waist-shaped through hole near the arc end, and a wooden screw (9) is arranged in the waist-shaped through hole and fixed with the table plate (7) of the button sewing machine.

6. A quick change die set for a button attaching machine according to claim 5, wherein: The height of the inner cavity is the same as the height of the material piece (16).

7. The method of using a pattern changer for a button attaching machine according to claim 1, wherein: 1) Start, machine standby state, the upper pressing column (11) and the upper pressing frame (13) on the button pressing assembly are in the highest position, the corresponding button sewing material piece quick-change template (2) is installed on the U-shaped lower positioning block (1), and the upper and lower positions are positioned by using the pin shaft, and at the same time, the M6 inner hexagonal cylindrical head screw (6) is fastened, the left pressing piece (4) and the right pressing piece (5) are fixed on the blocking edge by using the M4 inner hexagonal cylindrical head screw (8) at the same time; 2) the button back (12) of the button pressing assembly is clamped into the lower groove of the upper pressing column (11) with the arc surface upward, the sharp end of the button body (14) is placed on the fixed position of the button sewing machine base upward, at this time, the material piece (16) is placed on the upper surface of the quick-change template (2), and at the same time, it is ensured that the three surfaces of the material piece (16) are completely attached to the three blocking edges of the quick-change template (2); 3) step on the pedal, at this time, the upper pressing frame (13) falls down first and interacts with the lower pressing frame (15) on the button pressing assembly to press the material piece (16), at the same time, the upper pressing column (11) drives the button back (12) to move downward and acts on the material piece (16), at this time, the output of the upper pressing column (11) tightly sews the button back (12), the material piece (16) and the button body (14) together; 4) release the foot pedal, the upper pressing column (11) moves upward to the highest position away from the material piece (16), at the same time, the upper pressing frame (13) moves upward to the highest position synchronously, at this time, the button sewing material piece (16) is taken off, and one button sewing work process is completed; 5) steps 1), 2), 3) and 4) are a complete movement process, and the above steps are repeated thereafter.

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