A special shoe tree for cutting off the water gate rubber of a rubber boot

Abstract

This utility model relates to a special shoe last for cutting the sprue glue of rubber boots, comprising: a support column, a fixed shoe support installed at the bottom end of the support column, a telescopic support mechanism installed on the outer surface of the fixed shoe support, and a shoe shaft support mechanism installed at the top end of the support column; through the arrangement of the support column, the telescopic support mechanism, and the shoe shaft support mechanism, the support column, the telescopic support mechanism, and the shoe shaft support mechanism are inserted into the rubber boot, the telescopic support mechanism is inserted into the rubber boot and opened and fixed, thus fixing the support column and its top shoe shaft support mechanism. At the same time, the shoe shaft support mechanism opens the rubber boot shaft, and when cutting the sprue glue of the rubber boot, the cutting blade moves along the top surface of the shoe shaft support mechanism, so that the sprue glue at the rubber boot shaft opening is cut smoothly and neatly, ensuring the cutting accuracy at the rubber boot shaft opening and increasing the cutting quality of the rubber boot sprue glue.

Description

Technical Field

[0001] This utility model belongs to the field of rubber boot manufacturing technology, specifically relating to a special shoe last for cutting the rubber outburst of rubber boots. Background Technology

[0002] In the production of rubber boots, removing the sprue is a crucial step in maintaining a straight and neat appearance at the top of the boot. Currently, the production process involves manual trimming along the boot shaft using sprue pliers or blades by feel. This trimming method lacks standardized procedures and can easily damage the product during the trimming process. As a result, the trimmed rubber boots often have uneven tops, leading to inconsistent product quality. Existing cutting equipment relies heavily on worker skill when cutting to remove the sprue, making it difficult to guarantee cutting accuracy. Utility Model Content

[0003] (1) Technical problems to be solved In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a special shoe last for cutting the sprue glue of rubber boots. This device aims to solve the problem that the cutting accuracy is difficult to guarantee when cutting the sprue glue of rubber boots, as the cutting depends heavily on the worker's skill.

[0004] (2) Technical solution To solve the above-mentioned technical problems, this utility model provides a special shoe last for cutting the sprue of rubber boots, including: a support column, a fixed shoe support installed at the bottom end of the support column, a telescopic support mechanism installed on the outer surface of the fixed shoe support, and a shoe shaft support mechanism installed at the top end of the support column.

[0005] Optionally, the telescopic support mechanism includes a movable shoe support, with the movable shoe support located outside the fixed shoe support. A strong spring is fixedly connected to the outer surface of the movable shoe support, and the end of the strong spring away from the movable shoe support is fixedly connected to the outer surface of the fixed shoe support.

[0006] Optionally, the strong spring is provided with a bellows on its exterior, and the two ends of the bellows are fixedly connected to the outer surfaces of the moving shoe support and the fixed shoe support, respectively.

[0007] Optionally, a positioning tube is fixedly connected to the outer surface of the fixed shoe support, and a positioning rod is slidably installed inside the positioning tube, with the end of the positioning rod away from the positioning tube being fixedly connected to the outer surface of the movable shoe support.

[0008] Optionally, the shoe support mechanism includes two main pieces, two support tubes are fixedly connected to the outer surface of the support column, support rods are slidably installed inside the two support tubes, and the main pieces are installed at the ends of the two support rods that are far apart from each other. Support springs are sleeved on the outside of the support tubes, and the two ends of the support springs are fixedly connected to the outer surfaces of the main pieces and the support column, respectively. The ends of the two main pieces that are close to each other are rotatably hinged with first flaps, and every two first flaps are rotatably hinged through second flaps.

[0009] Optionally, a retraction spring is fixedly connected to the outer surface of the support column, and the end of the retraction spring away from the support column is fixedly connected to the outer surface of the second flap.

[0010] Optionally, the support spring has a greater elastic force than the contraction spring.

[0011] Optionally, handles are fixedly connected to the outer surfaces of both main pieces, and the handles are made of silicone.

[0012] (3) Beneficial effects Compared with the prior art, the beneficial effects of this utility model are as follows: This invention utilizes a support column in conjunction with a telescopic support mechanism and a shoe barrel support mechanism. The support column, telescopic support mechanism, and shoe barrel support mechanism are inserted into the rubber boot. The telescopic support mechanism is inserted into the rubber boot, opened, and fixed, thus securing the support column and its top shoe barrel support mechanism. Simultaneously, the shoe barrel support mechanism expands the rubber boot barrel. When cutting the rubber boot's sprue, the cutting blade moves along the top surface of the shoe barrel support mechanism, ensuring a smooth and neat cut at the rubber boot barrel opening. This guarantees the cutting precision at the rubber boot barrel opening and increases the quality of the rubber boot sprue cutting. Attached Figure Description

[0013] Figure 1 This is a front view of the main structure of this utility model; Figure 2 This is the utility model Figure 1 Enlarged structural diagram at point A in the middle; Figure 3 This is a three-dimensional structural diagram of the main piece of this utility model; Figure 4 This is a three-dimensional structural view of the fixed and movable shoe supports of this utility model; Figure 5 This is the utility model Figure 4 Enlarged structural diagram at point B; Figure 6 This is a three-dimensional exploded view of the main piece, the first fold piece, and the second fold piece of this utility model.

[0014] The labels in the attached diagram are as follows: 1. Support column; 2. Fixed shoe support; 3. Corrugated tube; 4. Movable shoe support; 5. Main piece; 6. First fold piece; 7. Second fold piece; 8. Handle; 9. Support spring; 10. Support rod; 11. Support tube; 12. Retraction spring; 13. Positioning rod; 14. Positioning tube; 15. Strong spring. Detailed Implementation

[0015] This specific embodiment is a special shoe last for cutting the sprue glue of rubber boots, and its structural schematic diagram is as follows. Figures 1-6As shown, it includes: a support column 1, a fixed shoe support 2 installed at the bottom end of the support column 1, a telescopic support mechanism installed on the outer surface of the fixed shoe support 2, and a shoe shaft support mechanism installed at the top end of the support column 1.

[0016] Specifically, by using the support column 1 in conjunction with the telescopic support mechanism and the shoe barrel support mechanism, the support column 1, the telescopic support mechanism, and the shoe barrel support mechanism are inserted into the rubber boot. The telescopic support mechanism is inserted into the rubber boot and opened and fixed, thus fixing the support column 1 and its top shoe barrel support mechanism. At the same time, the shoe barrel support mechanism expands the rubber boot barrel. When cutting the rubber boot sprue, the cutting blade moves along the top surface of the shoe barrel support mechanism, so that the rubber boot sprue is cut smoothly and neatly at the rubber boot barrel opening, ensuring the cutting accuracy at the rubber boot barrel opening and increasing the cutting quality of the rubber boot sprue.

[0017] Furthermore, the telescopic support mechanism includes a movable shoe support 4, which is provided on the outside of the fixed shoe support 2. A strong spring 15 is fixedly connected to the outer surface of the movable shoe support 4, and the end of the strong spring 15 away from the movable shoe support 4 is fixedly connected to the outer surface of the fixed shoe support 2.

[0018] Specifically, the strong spring 15 allows the fixed shoe support 2 and the movable shoe support 4 to be compressed, making it easier for them to be inserted into the rubber boot and fixed. This facilitates the installation of the telescopic support mechanism. When the fixed shoe support 2 and the movable shoe support 4 are inserted into the rubber boot, the strong spring 15 pushes them open, ensuring their stability during installation.

[0019] Furthermore, a bellows 3 is provided on the outside of the strong spring 15, and the two ends of the bellows 3 are fixedly connected to the outer surfaces of the movable shoe support 4 and the fixed shoe support 2, respectively.

[0020] Specifically, the bellows 3 encloses and protects the strong spring 15, ensuring that the strong spring 15 is isolated from the outside world during use and preventing external environmental factors from damaging the strong spring 15.

[0021] Furthermore, a positioning tube 14 is fixedly connected to the outer surface of the fixed shoe support 2, and a positioning rod 13 is slidably installed inside the positioning tube 14, with one end of the positioning rod 13 away from the positioning tube 14 being fixedly connected to the outer surface of the movable shoe support 4.

[0022] Specifically, the two ends of the positioning rod 13 and the positioning tube 14 are fixedly connected to the fixed shoe support 2 and the movable shoe support 4 respectively to prevent the fixed shoe support 2 and the movable shoe support 4 from shifting to the side during use and to ensure the stability of the fixed shoe support 2 and the movable shoe support 4 during use.

[0023] Furthermore, the shoe support mechanism includes two main pieces 5, and two support tubes 11 are fixedly connected to the outer surface of the support column 1. Support rods 10 are slidably installed inside the two support tubes 11, and the main pieces 5 are installed at the ends of the two support rods 10 that are far apart from each other. Support springs 9 are sleeved on the outside of the support tubes 11, and the two ends of the support springs 9 are fixedly connected to the outer surfaces of the main pieces 5 and the support column 1, respectively. The ends of the two main pieces 5 that are close to each other are rotatably hinged with first flaps 6, and each pair of first flaps 6 is rotatably hinged with a second flap 7.

[0024] Specifically, when inserting the boot, the two main pieces 5 are squeezed and moved towards the support column 1, compressing the support spring 9 and causing the first fold 6 and the second fold 7 to bend towards the support column 1, reducing the opening area of ​​the main pieces 5, the first fold 6, and the second fold 7, making it easier to insert the boot support mechanism into the boot. After insertion, the main pieces 5 are released, and under the elastic force of the support spring 9, the two main pieces 5 are pushed away from each other and pressed against the inner wall of the boot, causing the first fold 6 and the second fold 7 to open and press tightly against the inner wall of the boot. The opening of the main pieces 5, the first fold 6, and the second fold 7 expands the boot barrel. When cutting the boot's sprue, the cutting blade main pieces 5, the first fold 6, and the second fold 7 move against the top surface to cut the boot's sprue, ensuring a smooth and neat cut at the boot barrel opening, guaranteeing the cutting accuracy at the boot barrel opening, and increasing the quality of the boot sprue cutting.

[0025] Furthermore, a contraction spring 12 is fixedly connected to the outer surface of the support column 1, and the end of the contraction spring 12 away from the support column 1 is fixedly connected to the outer surface of the second flap 7.

[0026] Specifically, when the two main pieces 5 are squeezed and moved toward the support column 1, the contraction spring 12 pulls the second fold 7 toward the support column 1, so that when the two main pieces 5 are squeezed, the second fold 7 pulls the first fold 6 to bend.

[0027] Furthermore, the elastic force of the support spring 9 is greater than the elastic force of the contraction spring 12.

[0028] Specifically, this increases the elasticity of the support spring 9, preventing the contraction spring 12 from pulling the second flap 7 out of place when the support spring 9 is open.

[0029] Furthermore, handles 8 are fixedly connected to the outer surfaces of both main plates 5, and the handles 8 are made of silicone.

[0030] Specifically, by setting the handle 8, the user can pull the handle 8 to move the main plate 5, making it convenient to perform the squeezing operation on the main plate 5.

[0031] This utility model discloses a special shoe last for cutting the sprue glue of rubber boots. Through the arrangement of a support column 1, a telescopic support mechanism, and a shoe shaft support mechanism, the support column 1, telescopic support mechanism, and shoe shaft support mechanism are inserted into the rubber boot. The telescopic support mechanism is inserted into the rubber boot, opens, and is fixed, thus fixing the support column 1 and its top shoe shaft support mechanism. Simultaneously, the shoe shaft support mechanism expands the rubber boot shaft. When cutting the sprue glue, the cutting blade moves along the top surface of the shoe shaft support mechanism, ensuring a smooth and neat cut at the sprue glue at the boot shaft opening, guaranteeing cutting accuracy at the boot shaft opening, and increasing the quality of sprue glue cutting.

[0032] The strong spring 15 allows the fixed shoe support 2 and the movable shoe support 4 to be compressed, making it easy for them to be inserted into the rubber boot and fixed. This also makes the telescopic support mechanism easy to install. When the fixed shoe support 2 and the movable shoe support 4 are inserted into the rubber boot, the strong spring 15 pushes them open, ensuring their stability when inserted into the rubber boot.

[0033] When inserted into the rubber boot, the two main pieces 5 are squeezed and moved towards the support column 1, compressing the support spring 9 and causing the first fold 6 and the second fold 7 to bend towards the support column 1, reducing the opening area of ​​the main pieces 5, the first fold 6, and the second fold 7, making it easier to insert the boot support mechanism into the rubber boot. After the rubber boot is inserted, the main pieces 5 are released, and under the elastic force of the support spring 9, the two main pieces 5 are pushed away from each other and pressed against the inner wall of the rubber boot, causing the first fold 6 and the second fold 7 to open and press tightly against the inner wall of the rubber boot. The opening of the main pieces 5, the first fold 6, and the second fold 7 expands the rubber boot barrel. When cutting the rubber boot sprue, the cutting blade main pieces 5, the first fold 6, and the second fold 7 move against the top surface to cut the rubber boot sprue, making the cut at the rubber boot barrel opening smooth and neat, ensuring the cutting accuracy at the rubber boot barrel opening, and increasing the cutting quality of the rubber boot sprue.

[0034] All technical features in this embodiment can be freely combined according to actual needs.

[0035] The above embodiments are preferred implementations of this utility model. In addition, this utility model can also be implemented in other ways. Any obvious substitutions without departing from the concept of this technical solution are within the protection scope of this utility model.

Claims

1. A shoe last specifically for cutting the sprue glue from rubber boots, characterized in that, include: A support column (1) is provided with a fixed shoe support (2) installed at the bottom end of the support column (1), and a telescopic support mechanism is installed on the outer surface of the fixed shoe support (2). A shoe support mechanism is installed at the top end of the support column (1). The shoe support mechanism includes two main pieces (5), and two support tubes (11) are fixedly connected to the outer surface of the support column (1). Support rods (10) are slidably installed inside the two support tubes (11), and the main pieces (5) are installed at the ends of the two support rods (10) that are far apart from each other. Support springs (9) are sleeved on the outside of the support tubes (11), and the two ends of the support springs (9) are fixedly connected to the outer surfaces of the main pieces (5) and the support column (1) respectively. The ends of the two main pieces (5) that are close to each other are rotatably hinged with first flaps (6), and each pair of first flaps (6) are rotatably hinged through second flaps (7).

2. The shoe last for cutting the sprue of rubber boots according to claim 1, characterized in that, The telescopic support mechanism includes a movable shoe support (4), and the movable shoe support (4) is provided on the outside of the fixed shoe support (2). A strong spring (15) is fixedly connected to the outer surface of the movable shoe support (4), and the end of the strong spring (15) away from the movable shoe support (4) is fixedly connected to the outer surface of the fixed shoe support (2).

3. The shoe last for cutting the sprue sealant of rubber boots according to claim 2, characterized in that, The strong spring (15) is provided with a bellows (3) on its outside, and the two ends of the bellows (3) are fixedly connected to the outer surfaces of the moving shoe support (4) and the fixed shoe support (2), respectively.

4. A shoe last for cutting the sprue of rubber boots according to claim 3, characterized in that, The outer surface of the fixed shoe support (2) is fixedly connected to a positioning tube (14), and a positioning rod (13) is slidably installed inside the positioning tube (14), and the end of the positioning rod (13) away from the positioning tube (14) is fixedly connected to the outer surface of the movable shoe support (4).

5. A shoe last for cutting the sprue sealant of rubber boots according to claim 4, characterized in that, A retraction spring (12) is fixedly connected to the outer surface of the support column (1), and the end of the retraction spring (12) away from the support column (1) is fixedly connected to the outer surface of the second flap (7).

6. A shoe last for cutting the sprue sealant of rubber boots according to claim 5, characterized in that, The elastic force of the support spring (9) is greater than that of the contraction spring (12).

7. A shoe last for cutting the sprue sealant of rubber boots according to claim 6, characterized in that, Both main pieces (5) have handles (8) fixedly connected to their outer surfaces, and the handles (8) are made of silicone.

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