Positioning jig for insole production

Abstract

This utility model relates to the field of insole production technology, and in particular to a positioning fixture for insole production, comprising a square plate and springs. Multiple springs are fixedly connected to the four sides of the upper part of the square plate. The upper ends of the springs are fixedly connected to rubber strips, and the lower ends of the rubber strips are fixedly connected to multiple protrusions. The lower end of the base is provided with a quick-release positioning structure, and the springs are in a naturally rebound, unstretched state. Through the cooperation of the quick-release positioning structure and the square plate, the first magnet inside the cylinder and the second magnet inside the base instantly generate a strong magnetic connection. The mold serves as a positioning reference, and its shape and size perfectly match the target insole, directly determining the processing position of the blank. If it is necessary to change the mold or transfer equipment, simply lift the square plate manually; external force overcomes the magnetic attraction resistance between the first and second magnets. The entire disassembly process requires no tools, solving the problem of time-consuming and laborious traditional bolt disassembly.

Description

Technical Field

[0001] This utility model relates to the field of insole production technology, specifically to a positioning tool for insole production. Background Technology

[0002] Positioning fixtures used in insole production are devices that enable precise positioning, limiting, or auxiliary processing of insole blanks and semi-finished products during processes such as insole cutting, printing, punching, gluing, and lamination.

[0003] For example, a shoe insole positioning device with authorization announcement number "CN23183039U" uses a base structure and an installation plate structure to facilitate quick and easy replacement and installation of the positioning plate structure and the convex pressure plate, allowing it to operate on insoles of different sizes. After fixing, the insole structure is fitted and compacted. Traditional positioning equipment first aligns the template carrier with the screw holes of the base, manually adjusts it to be horizontally aligned, then inserts bolts, and tightens them one by one with a wrench. During the process, it is necessary to repeatedly check for misalignment. Next, the shoe insole blank is taken, and the blank is manually moved to calibrate its position according to the lines and marks on the base or template. Then, the blank is manually pressed with screws or clips. During this process, the fit needs to be checked multiple times. Utility Model Content

[0004] The purpose of this invention is to solve the problem of cumbersome and time-consuming positioning operations of traditional devices for insoles, and to propose a positioning fixture for insole production.

[0005] To achieve the above objectives, this utility model provides the following technical solution: Design a positioning fixture for insole production, including a square plate and springs. Multiple springs are fixedly connected to the upper part of the square plate around its four sides. The upper end of each spring is fixedly connected to a rubber strip. Multiple protrusions are fixedly connected to the lower end of the rubber strip. The lower end of the square plate is provided with a positioning quick-release structure. The springs are in a natural rebound unstretched state.

[0006] The square plate in this configuration serves as the intermediate carrier of the equipment, used to integrate and fix key functional components such as cylinders, templates, and springs, thus integrating the scattered parts into a single, operable module.

[0007] Preferably, the positioning quick-release structure includes a cylinder and a mold. The four corners of the lower end of the square plate are fixedly connected to the cylinder. A first magnet is installed on the inner wall of the cylinder. The outer wall of the first magnet is magnetically connected to a second magnet. The upper end of the square plate is fixedly connected to the mold.

[0008] This feature includes a cylindrical mounting tube for the magnet, providing a fixed space for the magnet to precisely align the first magnet with the second magnet on the base, thus creating a stable attraction force.

[0009] Preferably, the upper end of the mold abuts against the protrusion.

[0010] The protrusions in this feature reduce the force-bearing area, concentrating the spring force at a small point, resulting in a sudden increase in local pressure and firmly clamping the blank.

[0011] Preferably, a second magnet is installed at each of the four corners of the inner wall of the base.

[0012] The second magnet in this configuration provides magnetic attraction and holding force.

[0013] Preferably, the lower end of the cylinder abuts against the base.

[0014] This utility model proposes a positioning fixture for insole production, which has the following advantages: Through the cooperation of the positioning quick-release structure and the square plate, the first magnet in the cylinder and the second magnet in the base instantly generate a strong magnetic connection. Utilizing the property of "like poles repel and unlike poles attract" of magnets, the square plate and the base are automatically aligned without the need for manual adjustment of the level or alignment of screw holes, achieving a "one-place-and-accurate" positioning effect. Moreover, the stable adsorption force places the unformed insole blank according to the mold outline. The mold serves as the positioning reference, and its shape and size perfectly match the target insole, allowing direct determination of the blank processing position. If it is necessary to change the mold or transfer equipment, simply lift the square plate manually. External force overcomes the magnetic attraction resistance between the first and second magnets. The entire disassembly process requires no tool assistance, solving the problem of time-consuming and laborious traditional bolt disassembly. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 for Figure 1 A front sectional view; Figure 3 A three-dimensional diagram of the square plate, the cylinder, and the first magnet; Figure 4 for Figure 2 Right sectional view of the rubber strip; Figure 5 for Figure 2 Top sectional view; Figure 6 This is a top sectional view of the template.

[0016] In the diagram: 1. Square plate, 2. Base, 3. Spring, 4. Rubber strip, 5. Protrusion, 6. Positioning quick-release structure, 601. Cylinder, 602. First magnet, 603. Second magnet, 604. Mold. Detailed Implementation

[0017] The present invention will be further described below with reference to the accompanying drawings: See attached document Figure 1-6In this embodiment, a positioning fixture for insole production includes a square plate 1 and springs 3. Multiple springs 3 are fixedly connected to the four sides of the upper end of the square plate 1. The type of spring 3 is selected according to actual needs, and only needs to meet the working requirements are selected. The upper end of the spring 3 is fixedly connected to a rubber pressure strip 4. The spring 3 can provide elastic clamping force. When the rubber pressure strip 4 is pulled upward, the spring 3 is stretched and stores energy. After being released, the spring 3 rebounds and drives the rubber pressure strip 4 to press tightly onto the blank. The lower end of the rubber strip 4 is fixedly connected with multiple protrusions 5. The protrusions 5 reduce the force-bearing area, concentrate the force of the spring to a small point, and increase the local pressure to firmly clamp the blank. The lower end of the square plate 1 is provided with a positioning quick-release structure 6. The spring 3 is in a natural rebound unstretched state. The upper end of the mold 604 abuts against the protrusions 5. The shape and size of the mold 5 are consistent with the target insole. The blank can be placed on it to quickly determine the processing position. The four corners of the inner wall of the base 2 are each equipped with a second magnet 603. The second magnet 603 provides magnetic fixing force. The lower end of the cylinder 601 abuts against the base 2.

[0018] See attached document Figure 1 , Figure 2 , Figure 3 , Figure 5 and Figure 6 The positioning quick-release structure 6 includes a cylinder 601 and a mold 604. The four corners of the lower end of the square plate 1 are fixedly connected to the cylinder 601. The cylinder 601 provides a fixed space for the magnet, so that the first magnet can be accurately aligned with the second magnet on the base to form a stable adsorption force. The inner wall of the cylinder 601 is equipped with the first magnet 602. The outer wall of the first magnet 602 is magnetically connected to the second magnet 603. The magnetic connection allows the square plate 1 (and the upper part) to be quickly adsorbed onto the base. The upper end of the square plate 1 is fixedly connected to the mold 604. The first magnet 602 inside the cylinder 601 and the second magnet 603 inside the base 2 instantly generate a strong magnetic connection. Utilizing the property of "like poles repel and unlike poles attract" of magnets, the square plate 1 and the base 2 are automatically aligned without the need for manual adjustment of the level or alignment of the screw holes. This achieves the "instant positioning" effect of the square plate 1 and the base 2. Moreover, the stable adsorption force places the unformed insole blank according to the outline of the mold 604. The mold 604 serves as a positioning reference, and its shape and size perfectly match the target insole. The processing position of the blank can be directly determined, avoiding the errors of traditional manual comparison and marking.

[0019] Working principle: When using positioning fixtures in insole production: During operation, simply lower the square plate 1, which integrates components such as cylinder 601 and mold 604, so that the lower end of cylinder 601 is pressed against the surface of base 2. At this time, the first magnet 602 inside cylinder 601 and the second magnet 603 inside base 2 instantly generate a strong magnetic connection. Utilizing the property of "like poles repel and unlike poles attract" of magnets, the square plate 1 and base 2 are automatically aligned without the need for manual adjustment of the level or alignment of screw holes. This magnetic positioning method replaces the traditional bolt fixing, achieving the positioning effect of "accurate positioning as soon as it is placed" between square plate 1 and base 2, and the adsorption force is stable.

[0020] After positioning, pull the rubber strip 4 upward. The spring 3 is stretched and stores energy under the action of external force (spring damping can be set on the spring 3 if needed). The rubber strip 4 drives the protrusion 5 to rise synchronously, forming a gap with the surface of the mold 604, providing space for the blank material to be placed. The unformed insole blank is placed according to the outline of the mold 604. The mold 604 serves as a positioning reference. Its shape and size are completely matched with the target insole, which can directly determine the processing position of the blank material and avoid the error of traditional manual comparison and scribing.

[0021] After the rubber strip 4 is released, the spring 3 releases its elastic potential energy, driving the rubber strip 4 to rebound. At this time, the protrusion 5 at the lower end of the rubber strip 4 presses against the surface of the blank. By reducing the force-bearing area, the protrusion 5 concentrates the elastic force of the spring 3 at multiple contact points, causing the local pressure to increase sharply and firmly clamping the edge and key position of the blank.

[0022] Once a process is completed, pull the rubber strip 4 upwards again to stretch the spring 3 and detach the protrusion 5 from the blank. The processed blank can then be directly removed. The operation does not require unlocking any fixed structure. If it is necessary to change the mold 604 or transfer the equipment, simply lift the square plate 1 upwards manually. External force overcomes the magnetic attraction resistance of the first magnet 602 and the second magnet 603, which can quickly separate the square plate 1 from the base 2. The entire disassembly process does not require tool assistance, solving the problem of time-consuming and laborious traditional bolt disassembly.

[0023] Although the present invention has been illustrated and described with reference to preferred embodiments, those skilled in the art should understand that various changes in form and detail are possible within the scope of the claims.

Claims

1. A positioning jig for insole production, comprising a square plate (1), a base (2) and springs (3), a plurality of springs (3) are fixedly connected around the upper end of the square plate (1), characterized in that: The upper end of the spring (3) is fixedly connected to the rubber strip (4), and the lower end of the rubber strip (4) is fixedly connected to a plurality of protrusions (5). The lower end of the square plate (1) is provided with a positioning quick-release structure (6), and the spring (3) is in a natural rebound unstretched state.

2. The positioning jig for insole production according to claim 1, wherein: The positioning quick-release structure (6) includes a cylinder (601) and a mold (604). The four corners of the lower end of the square plate (1) are fixedly connected to the cylinder (601). The inner wall of the cylinder (601) is equipped with a first magnet (602). The outer wall of the first magnet (602) is magnetically connected to the second magnet (603). The upper end of the square plate (1) is fixedly connected to the mold (604).

3. The positioning jig for insole production according to claim 2, wherein: The upper end of the mold (604) abuts against the protrusion (5).

4. The positioning jig for insole production according to claim 1, wherein: The base (2) has a second magnet (603) installed at each of the four corners of its inner wall.

5. The positioning jig for insole production according to claim 2, wherein: The lower end of the cylinder (601) abuts against the base (2).

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