CN107334218B

CN107334218B - Pull-grab line-assisting device

Info

Publication number: CN107334218B
Application number: CN201710821351.2A
Authority: CN
Inventors: 陈兵; 徐雅红
Original assignee: Taizhou Chuangxian Electronic Technology Co ltd
Current assignee: Taizhou Chuangxian Electronic Technology Co ltd
Priority date: 2017-09-13
Filing date: 2017-09-13
Publication date: 2023-01-03
Anticipated expiration: 2037-09-13
Also published as: CN107334218A

Abstract

The invention provides a pulling and grabbing upper line device, and belongs to the technical field of shoes. It has solved the current problem of grabbing group line device structure kind not enough of grabbing. The pulling and grabbing line device comprises a frame and two groups of line clamping components; the rack is provided with a vertically arranged mounting plate, and the two groups of first linear guide rails are connected with the mounting plate; two groups of driving assemblies used for drawing the sliding heads of the first linear guide rails to move are mounted on the mounting plate, the two groups of driving assemblies are located between the two groups of first linear guide rails, and the two groups of driving assemblies are connected with the sliding heads of the two groups of first linear guide rails in a one-to-one correspondence mode. The pulling and grabbing line device effectively solves the problem that the line clamping assembly and the machine frame influence the operation by adjusting the position of the line clamping assembly and the first step in the steps; in other words, the structure and the method can effectively ensure the operation space required for fixing the shoe tree on the table top of the workbench, thereby improving the operation convenience and the production efficiency.

Description

Pull-grab line-assisting device

Technical Field

The invention belongs to the technical field of shoes, and relates to a shoemaking device, in particular to a pulling and grabbing upper line device.

Background

Shoes are essential articles in daily life. The shoemaking has the characteristics of complex process and high technical requirement, and most of the processes in the prior shoemaking are still manual operation. Taking a running shoe as an example, the upper and the sole are respectively manufactured, then the upper is sleeved on the shoe tree, the upper grabbing operation is carried out, and finally the glue spraying and sole covering are carried out. In the upper grabbing process, tightening and stretching treatment needs to be carried out on the upper, and wrinkles are removed or reduced, so that the purpose of adhering the shoe last is achieved, and the aesthetic feeling of the shoe is improved.

The traditional upper grabbing process adopts manual operation, the quality of the manual operation completely depends on the technology and experience of operators, and the problems of high technical requirements of workers, low upper grabbing efficiency, difficulty in quality control and high labor intensity of the workers exist.

To this end, various shoe making machines for gripping uppers have been proposed, such as an upper closing and pulling device (CN 203748776U); an upper grabbing line tensioning device (CN 105747379A) and an upper grabbing line tensioning device (CN 105686216A).

The existing upper grabbing line tensioning device still has some defects: 1. traditional draw and grab group's line process and go on the workstation, and the shoe tree that has accomplished complete set of shoe tree shifts to the upper of a shoe and grabs in grabbing the arm lock of fixing base among the group's line straining device from the workstation now, accomplishes to take up and grabs group's line after, shifts the shoe tree to the workstation again, and then leads to workman's discomfort should the production operation to and lead to the production process to increase, production efficiency improves unobviously. 2. Shoes of different models all need to be adjusted the state of fixing base, and then have the problem that the adjustment is loaded down with trivial details and influence production efficiency.

For this reason, the applicant has proposed a pull-grip helper line device (application publication No. CN106880131 a); those skilled in the art will appreciate that there are many more alternative pull-grip helper thread devices to meet different user needs.

Disclosure of Invention

The invention provides a pulling and grabbing line device, and aims to solve the technical problem of how to provide another pulling and grabbing line device capable of ensuring the production efficiency of a pulling and grabbing line.

The technical problem to be solved by the invention can be realized by the following technical scheme: a pulling and grabbing line device comprises a frame and two groups of line clamping components capable of clamping a grabbing line; the rack is provided with a vertically arranged mounting plate, and one plate surface of the mounting plate is provided with two groups of vertically arranged first linear guide rails; the two groups of wire clamping assemblies are respectively positioned on two sides of the mounting plate, the two groups of first linear guide rails are positioned between the two groups of wire clamping assemblies, and sliding heads of the two groups of first linear guide rails are fixedly connected with the two groups of wire clamping assemblies in a one-to-one correspondence manner; two groups of driving assemblies used for drawing the sliding heads of the first linear guide rails to move are mounted on the mounting plate, the two groups of driving assemblies are located between the two groups of first linear guide rails, and the two groups of driving assemblies are connected with the sliding heads of the two groups of first linear guide rails in a one-to-one correspondence mode.

The upper grabbing thread process for tensioning the upper by using the upper grabbing thread device comprises the following steps: the method comprises the following steps that firstly, whether a wire clamping assembly is basically flush with a workbench surface or is positioned below the workbench surface is checked, and if the wire clamping assembly is not in the state, a driving assembly is controlled to enable a sliding head to move downwards to the lowest part; secondly, fixing the shoe tree sleeved with the upper on the table top of the workbench; thirdly, operating the driving assembly to enable the wire clamping assembly to move upwards to the uppermost position, and drawing the wire end of the upper grabbing wire in the upper and enabling the wire end to be embedded into the wire clamping assembly; fourthly, operating the thread clamping assembly to clamp the upper grabbing thread; and fifthly, operating the driving assembly to enable the wire clamping assembly to move upwards until the tension reaches the required tension value.

Compared with the prior art, the pulling, grabbing and helping line device effectively solves the problem that the operation is influenced by the line clamping assembly and the machine frame by adjusting the position of the line clamping assembly and the first step in the steps; in other words, the structure and the method can effectively ensure the operation space required for fixing the shoe tree on the table top of the workbench, thereby improving the operation convenience and the production efficiency.

The pulling and grabbing line device is provided with two stations which are independently controlled; in actual production, this draw and grab group line device setting between two stations of workstation, this draw and grab group line device promptly satisfies two work productions, has the utilization ratio that improves this draw and grab group line device, reduces the advantage of shoemaking enterprise equipment purchasing cost.

The two stations of the pulling and grabbing line assisting device are arranged in a bilateral symmetry mode, so that the balance is guaranteed, and the pulling and grabbing line assisting device has the advantages of being compact in structure, reasonable in arrangement and small in occupied space.

Drawings

Fig. 1 is a front view of the pulling and grabbing thread assisting device.

Fig. 2 is a left side view of the pulling and grabbing upper line device.

In the figure, 1, a frame; 1a, a main frame body; 1b, mounting plates; 2. a wire clamping assembly; 2a, a fixed seat; 2b, a pneumatic chuck; 3. a first linear guide rail; 3a, an upper slider; 3b, a lower slider; 3c, a guide rod; 4. a drive assembly; 4a, a first motor; 4b, a screw rod; 5. a second linear guide; 6. a tension sensor; 7. a pressure regulating bolt; 8. a spring; 9. a connecting plate; 10. a screw rod and nut assembly; 11. a second motor; 12. grabbing a wire guide rod; 13. a work table; 14. a shoe last; 15. and (5) grabbing the upper line.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1 and 2, a pulling and grabbing device for a shoe upper line comprises a frame 1, two sets of line clamping components 2 capable of clamping a shoe upper line 15, two sets of first linear guide rails 3 and two sets of driving components 4.

The frame 1 includes the body 1a of the body of boxlike and the mounting panel 1b that is located body 1a one side, and mounting panel 1b sets up vertically. The mounting plate 1b is connected with the main frame body 1a through two groups of second linear guide rails 5 which are vertically arranged; the main frame body 1a and the mounting plate 1b are connected through a locking mechanism which can lock the mounting plate 1b on the main frame body 1 a.

The plate surface of the mounting plate 1b facing the main frame 1a is defined as a back surface, and the other plate surface of the mounting plate 1b is defined as a front surface. Two sets of first linear guide 3 all vertically set up, and first linear guide 3 includes guide arm 3c and with guide arm 3c sliding connection's last slider 3a and lower slider 3b, and last slider 3a is located the top of lower slider 3 b. The two guide rods 3c are respectively fixedly connected with the left and right side edges of the front surface of the mounting plate 1b, namely the two guide rods 3c are respectively close to the left and right side surfaces of the mounting plate 1 b. The upper sliding head 3a and the lower sliding head 3b are connected through a tension sensor 6; specifically, the tension sensor 6 is rigidly connected with the upper slider 3a, and the tension sensor 6 is connected with the lower slider 3b through a pressure regulating bolt 7 and a spring 8; particularly, the pressure regulating bolt 7 penetrates through the lower sliding head 3b to be in threaded connection with the tension sensor 6, the spring 8 is sleeved on the pressure regulating bolt 7, one end of the spring 8 abuts against the lower sliding head 3b, and the other end of the spring 8 abuts against the pressure regulating bolt 7. The pre-pressing elasticity of the spring 8 is adjusted, so that the tension spring 8 is prevented from being damaged or causing precision reduction due to overlarge tension; in other words, when the tension is too large or a large tension is generated instantaneously, the spring 8 can absorb energy, thereby effectively protecting the tension sensor 6.

The wire clamping assembly 2 comprises a fixed seat 2a and a pneumatic clamping head 2b installed on the fixed seat 2 a. The two groups of wire clamping assemblies 2 are respectively positioned at the left side and the right side of the mounting plate 1b, the two groups of first linear guide rails 3 are positioned between the two groups of wire clamping assemblies 2, and the fixed seats 2a in the two groups of wire clamping assemblies 2 are fixedly connected with the upper sliding heads 3a of the two groups of first linear guide rails 3 in a one-to-one correspondence manner. The distance between the pneumatic chuck 2b and the first linear guide rail 3 can be suitable for actual production by controlling the length of the fixed seat 2a, so that the required control space is ensured, and the stress of the first linear guide rail 3 is ensured to meet the requirement.

The driving components 4 are used for drawing the lower sliding head 3b of the first linear guide rail 3 to move, and the two groups of driving components 4 are arranged on the front surface of the mounting plate 1 b; the two groups of driving assemblies 4 are respectively positioned between the two groups of first linear guide rails 3, and the two groups of driving assemblies 4 are fixedly connected with the lower sliding heads 3b of the two groups of first linear guide rails 3 in a one-to-one correspondence manner. The attached figures of the specification show that the driving assembly 4 comprises a first motor 4a fixed on the mounting plate 1b, a screw rod 4b rotationally connected with the mounting plate 1b, and a nut in threaded connection with the screw rod 4 b; the lead screw 4b is vertically arranged, the screw nut and the lower sliding head 3b are fixedly connected through the connecting plate 9, the left side and the right side of the first linear guide rail 3 are guaranteed to be stressed in balance by controlling the distance between the lead screw 4b and the first linear guide rail 3, and then the service life and the moving stability of the first linear guide rail 3 and the measuring accuracy of the tension sensor 6 are guaranteed.

The locking mechanism comprises a screw rod and nut assembly 10 which connects the mounting plate 1b and the main frame body 1 a; the main frame body 1a is fixed with a second motor 11, and the second motor 11 is in mechanical transmission connection with a screw rod 4b in a screw rod and nut assembly 10. The screw nut assembly 10 has a self-locking capability, and can lock the position between the mounting plate 1b and the main frame body 1a when the second motor 11 stops operating.

A wire grabbing guide rod 12 is arranged right above the two groups of wire clamping assemblies 2, and one end of the wire grabbing guide rod 12 is rotatably connected with the mounting plate 1 b.

The beneficial effects of each technical feature in the pulling and grabbing line device are further explained by explaining the process of tensioning the grabbing line 15 of the upper by using the pulling and grabbing line device.

The main frame body 1a of the frame 1 is positioned below the workbench 13, and the mounting plate 1b is positioned at the front side of the workbench 13; the main frame body 1a can be fixedly connected with the workbench 13, so that the installation stability of the pull-grab line-of-help device is ensured. The structure also fully utilizes the unusual space, reduces the amount of the pull-grab line device occupying the common operation space, and further ensures the space required by the operation of the pull-grab line 15. According to the height and the model of the actually processed shoe tree 14, the height of the mounting plate 1b is adjusted, the height of the upper grabbing wire guide rod 12 is further adjusted, the position of the upper grabbing wire guide rod 12 is ensured to be suitable for the requirement of pulling and grabbing the upper line 15, and the production efficiency and the quality of the working procedure of pulling and grabbing the upper line 15 are improved.

Firstly, checking whether the wire clamping assembly 2 is basically flush with the top surface of the workbench 13 or is positioned below the top surface of the workbench 13, and if the wire clamping assembly is not in the state, operating the driving assembly 4 to enable the lower sliding head 3b to move downwards to the lowest part; the attached drawings of the specification show that the upper grabbing wire guide rod 12 can swing upwards; the above-mentioned action is carried out in this step, eliminating the operational influence of upper-grasping wire guide rod 12 on the fixing of shoe last 14 on work table 13. According to the actual situation, the upper wire guide rod 12 can also swing to the front side or the rear side. Secondly, fixing the shoe tree 14 sleeved with the upper on the table top of the workbench 13, and swinging and resetting the upper grabbing line guide rod 12; thirdly, operating the driving component 4 to enable the thread clamping component 2 to move upwards to the uppermost position, and drawing the thread end of the upper grabbing thread 15 and enabling the thread end to be embedded into the thread clamping component 2; fourthly, operating the thread clamping assembly 2 to clamp the upper grabbing thread 15; and fifthly, operating the driving component 4 to enable the wire clamping component 2 to move upwards until the pulling force reaches the required pulling force value.

Example two

The structure and principle of the present embodiment are substantially the same as those of the first embodiment, and the description of the parts that are substantially the same is not repeated, but only different parts are described, and the different parts are as follows: the driving component 4 is a cylinder or a pneumatic cylinder or a winch.

EXAMPLE III

The structure and principle of the present embodiment are substantially the same as those of the first embodiment, and the substantially same parts are not described redundantly, but only different parts are described, and the different parts are: the upper grabbing line guide rod 12 is rotatably connected with a guide wheel, so that the sliding flexibility of the upper grabbing line 15 is improved.

Example four

The structure and principle of the present embodiment are substantially the same as those of the first embodiment, and the substantially same parts are not described redundantly, but only different parts are described, and the different parts are: the locking mechanism comprises a locking bolt penetrating through the main frame body 1a and the mounting plate 1b, a locking nut is connected to the locking bolt through threads, and the bolt hole of the mounting plate 1b is in a strip shape. When the locking nut is screwed down, the mounting plate 1b is fixed on the main frame body 1 a; the mounting plate 1b can move up and down with respect to the main frame 1a when the lock nut is loosened.

Claims

1. A pulling and grabbing line device comprises a rack (1) and line clamping assemblies (2) capable of clamping grabbing lines (15), and is characterized in that the number of the line clamping assemblies (2) is two, the rack (1) comprises a box-shaped main frame body (1 a) and a vertically arranged mounting plate (1 b), the main frame body (1 a) is positioned below a workbench (13) for fixing a shoe tree (14), the mounting plate (1 b) is positioned on the front side of the workbench (13), and the main frame body (1 a) is fixedly connected with the workbench (13); the mounting plate (1 b) is connected with the main frame body (1 a) through two groups of second linear guide rails (5) which are vertically arranged, and the main frame body (1 a) is connected with the mounting plate (1 b) through a locking mechanism which can lock the mounting plate (1 b) on the main frame body (1 a); the locking mechanism comprises a screw rod and nut assembly (10) which is connected with the mounting plate (1 b) and the main frame body (1 a), a second motor (11) is fixed on the main frame body (1 a), and the second motor (11) is in mechanical transmission connection with a screw rod (4 b) in the screw rod and nut assembly (10);

the front surface of the mounting plate (1 b) is provided with two groups of vertically arranged first linear guide rails (3), each first linear guide rail (3) further comprises a guide rod (3 c) and a sliding head, each sliding head comprises an upper sliding head (3 a) and a lower sliding head (3 b), each upper sliding head (3 a) is located above each lower sliding head (3 b), and each upper sliding head (3 a) is connected with each lower sliding head (3 b) through a tension sensor (6); the two groups of wire clamping assemblies (2) are respectively positioned on two sides of the mounting plate (1 b), the two groups of first linear guide rails (3) are positioned between the two groups of wire clamping assemblies (2), and the upper sliders (3 a) of the two groups of first linear guide rails (3) are fixedly connected with the two groups of wire clamping assemblies (2) in a one-to-one correspondence manner; two groups of driving assemblies (4) used for drawing the sliding heads of the first linear guide rails (3) to move are mounted on the mounting plate (1 b), the two groups of driving assemblies (4) are located between the two groups of first linear guide rails (3), the two groups of driving assemblies (4) are correspondingly connected with the lower sliding heads (3 b) of the two groups of first linear guide rails (3) one by one, and when the line clamping assembly (2) clamps the upper grabbing line (15), the driving assemblies (4) can pull the upper grabbing line (15) to a required tension value; the driving component (4) can also enable the wire clamping component (2) to move downwards to be flush with the table top of the workbench (13) or be positioned below the table top of the workbench (13); the driving component (4) can also enable the thread clamping component (2) to move upwards to the upper part of the table top of the workbench (13), so that the thread end of the upper grabbing thread (15) in the upper can be embedded into the thread clamping component (2);

a wire grabbing guide rod (12) is arranged right above the two groups of wire clamping assemblies (2), one end of the wire grabbing guide rod (12) is rotatably connected with the mounting plate (1 b), and the wire grabbing guide rod (12) can swing upwards.

2. The apparatus according to claim 1, wherein the two guide rods (3 c) are fixed to the left and right edges of the mounting plate (1 b).

3. The pulling, grabbing and lasting wire device according to claim 1, wherein the tension sensor (6) is connected with the lower slider (3 b) through a pressure regulating bolt (7) and a spring (8); the pressure regulating bolt (7) penetrates through the lower sliding head (3 b) to be in threaded connection with the tension sensor (6), the spring (8) is sleeved on the pressure regulating bolt (7), one end of the spring (8) is abutted against the lower sliding head (3 b), and the other end of the spring is abutted against the pressure regulating bolt (7).