Anti-pressing unilateral roller structure for butyl rubber gasket die cutting

Abstract

The utility model discloses an anti-pressing unilateral roller structure for butyl rubber gasket die cutting, which comprises a shaft body, and two ends of the shaft body are rotatably connected with mounting fixture blocks; the device further comprises two rollers, the two rollers are arranged on the shaft body in a sliding and sleeving mode, and the rollers are matched with the shaft body through a locking mechanism to form a structure for fixing the relative positions of the rollers and the shaft body. The utility model has the advantages that the product can be effectively prevented from being crushed, and the rejection rate is reduced.

Description

Technical Field

[0001] The utility model relates to the field of die-cutting processing of butyl gaskets, in particular to an anti-pressure single-sided roller structure for die-cutting butyl rubber gaskets. Background Technique

[0002] Butyl rubber gaskets are a commonly used sealing material, with excellent airtightness, watertightness, heat resistance, ozone resistance, aging resistance and other characteristics, and are widely used in various sealing occasions. Butyl rubber gaskets are mainly made of butyl rubber, with good chemical stability, and can maintain stable performance in oxidizing solvents and various polar media. In addition, butyl rubber gaskets also have good elasticity and corrosion resistance, and can adapt to various complex working environments.

[0003] In practical applications, butyl rubber gaskets are often used for sealing in occasions such as heaters, radiators, washing machines, capacitors, engines and bearing seats. At the same time, butyl gaskets are also often used for sealing medical bottle caps and stoppers to ensure their good sealing performance and stability.

[0004] In the production process of butyl rubber gaskets, they need to be die-cut and formed by a die-cutting device. The existing die-cutting devices use traditional full-size rollers for pressing during the die-cutting process. For example, a Chinese invention patent application with the publication number CN112518824A discloses a multi-functional and high-efficiency die-cutting machine. When this die-cutting machine is working, the semi-finished product of the film to be cut is straightened by the lower roller and the upper roller inside the pressure roller frame and then enters the bottom of the die-cutting frame to be die-cut. The lower roller and the upper roller are likely to press the whole butyl rubber gasket thinly and deform it, resulting in the thickness of the die-cut product not meeting the standard, affecting the sealing performance and stability during use, and causing product scrapping.

[0005] How to solve the above problems has become an urgent technical problem to be solved. Content of the Utility Model

[0006] The purpose of the utility model is to provide an anti-pressure single-sided roller structure for die-cutting butyl rubber gaskets, which can effectively avoid the product from being damaged and reduce the scrap rate.

[0007] To achieve the above purpose, the utility model adopts the following technical scheme:

[0008] An anti-pressure single-sided roller structure for die-cutting butyl rubber gaskets provided by the utility model includes a shaft body, and installation blocks are rotatably connected to both ends of the shaft body; it further includes two rollers, both of the rollers are slidably sleeved on the shaft body, and, the rollers are cooperated with the shaft body through a locking mechanism to form a structure for fixing the relative position between the fixed roller and the shaft body.

[0009] Further, the roller includes a pressing wheel and a positioning wheel. Both the pressing wheel and the positioning wheel are slidably sleeved outside the shaft body, and the pressing wheel and the positioning wheel are coaxially and fixedly connected. The outer diameter of the positioning wheel is smaller than that of the pressing wheel. The pressing wheel cooperates with the shaft body through a locking mechanism to form a structure for fixing the relative position between the roller and the shaft body.

[0010] Further, the locking mechanism includes at least one card slot. The card slot is opened on the inner wall of the positioning wheel, and a through hole is communicated with one side of the card slot far away from the shaft body. Moreover, a number of chutes equal to the number of card slots and extending along the length direction of the shaft body are opened on the shaft body. The chutes and the card slots are respectively engaged with two sides of a pin block. And a bolt is sleeved in the through hole. The bolt is in threaded cooperation with the through hole, and one end of the bolt abuts against the end of the pin block far away from the shaft body.

[0011] Further, the shaft body is a cylindrical steel column with a diameter of 30 mm and a length of 320 mm.

[0012] Further, the mounting block is a cube steel block with a length of 55 mm, a width of 42 mm, and a thickness of 20 mm.

[0013] Further, the mounting block is coaxial with the shaft body.

[0014] Further, the pressing wheel is a circular rubber wheel with an inner diameter of 32 mm and an outer diameter of 66 mm.

[0015] Further, the cross section of the pin block is rectangular.

[0016] Due to the adoption of the above structure, the beneficial effects of the present utility model are as follows:

[0017] By arranging two rollers on the shaft body in the present utility model, the two rollers can slide along the shaft body and are fixed by the locking mechanism after sliding to a preset position, so that the two rollers are separated at intervals. When the shaft body is supported above the conveyor belt through two mounting blocks, the two rollers only press on both edges or auxiliary materials of the butyl rubber gasket, and can normally convey the butyl rubber gasket to the die-cutting device for die-cutting while effectively preventing the butyl rubber gasket from being pressed thin, thereby reducing the rejection rate of products in the production process.

[0018] Through the following description and in combination with the accompanying drawings, the present utility model will become clearer. These drawings are used to explain the embodiments of the present utility model. Description of the Drawings

[0019] To more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 Schematic diagram of the overall structure of the present utility model;

[0021] Figure 2 Left view cross-sectional view of the present utility model. Specific implementation manners

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0023] Please refer to Figure 1 and Figure 2 , a pressure-preventing single-sided roller structure for die-cutting butyl rubber gaskets provided by the present utility model includes a shaft body 1. Both ends of the shaft body 1 are rotatably connected with mounting blocks 2 for mounting on a conveyor. The mounting block 3 and the shaft body 1 are detachably connected through a bearing, which is convenient for installation and debugging. It also includes two rollers 3. Both of the rollers 3 are slidably sleeved on the shaft body 1, so that the distance between the two rollers 3 can be adjusted, which is applicable to butyl rubber gaskets of different sizes. Moreover, the roller 3 and the shaft body 1 are cooperated through a locking mechanism 4 to form a structure for fixing the relative position between the roller 3 and the shaft body 1. When in use, the shaft body 1 is placed above the conveyor belt of the conveyor through the two mounting blocks 2, and the two rollers 3 are pushed to slide along the shaft body 1 to a preset position and then the relative position between the two is fixed through the locking mechanism 4, so that the two rollers 3 only press on both edge parts or auxiliary materials of the butyl rubber gasket. With the cooperation of the conveyor belt and the rollers 3, the butyl rubber gasket can be normally conveyed to a die-cutting device for die-cutting, and at the same time, it can effectively prevent the die-cut part of the butyl rubber gasket from being pressed thin by the rollers 3, thereby reducing the rejection rate of products in the production process.

[0024] In the present utility model, the roller 3 includes a pressing wheel 31 and a positioning wheel 32. Both the pressing wheel 31 and the positioning wheel 32 are slidably sleeved outside the shaft body 1, and the pressing wheel 31 and the positioning wheel 32 are coaxially and fixedly connected. The outer diameter of the positioning wheel 32 is smaller than that of the pressing wheel 31. The pressing wheel 31 cooperates with the shaft body 1 through a locking mechanism 4 to form a structure for fixing the relative position between the roller 3 and the shaft body 1. During use, the rollers 3 are symmetrically arranged at both ends of the shaft body 1, which can effectively improve the rotational stability.

[0025] In the present utility model, the locking mechanism 4 includes at least one card slot 41. The card slot 41 is opened on the inner wall of the positioning wheel 32, and a through hole 42 is communicated with the side of the card slot 41 away from the shaft body 1. Moreover, on the shaft body 1, a number of sliding grooves 43 equal to the number of card slots 41 and extending along its length direction are opened. The sliding grooves 43 and the card slots 41 are respectively engaged with both sides of a pin block 44, thereby effectively preventing relative rotation between the roller 3 and the shaft body 1. And the pin block 44 is detachable, which is convenient for replacement after wear. Also, a bolt 45 is sleeved in the through hole 42. The bolt 45 is in threaded cooperation with the through hole 42, and one end of the bolt 45 abuts against the end of the pin block 44 away from the shaft body 1, which can fix the position of the roller 3 on the shaft body 1 and prevent the pin block 44 from sliding out of the card slot 41 along the sliding groove 43, ensuring that the pin block 44 can play a limiting role.

[0026] In the present utility model, the shaft body 1 is a cylindrical steel column with a diameter of 30 mm and a length of 320 mm.

[0027] In the present utility model, the mounting block 2 is a cubic steel block with a length of 55 mm, a width of 42 mm, and a thickness of 20 mm.

[0028] In the present utility model, the mounting block 2 is coaxial with the shaft body 1.

[0029] In the present utility model, the pressing wheel 31 is a circular rubber wheel with an inner diameter of 32 mm and an outer diameter of 66 mm.

[0030] In the present utility model, the cross section of the pin block 44 is rectangular, which can play a good limiting effect and prevent relative rotation between the shaft body 1 and the roller 3.

[0031] When the utility model is in use, the shaft body 1 is supported above the conveyor belt of the conveyor by two mounting blocks 2. After pushing the two rollers 3 to slide along the shaft body 1 to a preset position, the bolt 45 is tightened so that it tightly abuts against the pin block 44 and the side of the pin block 44 away from the bolt 45 tightly abuts against the bottom surface of the chute 43, and the relative position of the roller 3 on the shaft body 1 is fixed. Therefore, during the process of conveying the butyl rubber gasket, only the two edges or auxiliary materials of the butyl rubber gasket are pressed by the two rollers 3. With the cooperation of the conveyor belt and the rollers 3, the butyl rubber gasket can be normally conveyed to the die-cutting device for die-cutting, and at the same time, it can effectively prevent the die-cut part of the butyl rubber gasket from being thinned by the rollers 3, reducing the rejection rate of products during the production process.

[0032] The preferred embodiments of the present utility model have been described above. It should be understood that the present utility model is not limited to the above specific embodiments, and the equipment and structures not described in detail therein should be understood to be implemented in a common manner in the art; any person skilled in the art can, without departing from the scope of the technical solution of the present utility model, make many possible changes and modifications to the technical solution of the present utility model by using the methods and technical contents disclosed above, or modify it into an equivalent embodiment with equivalent changes, which does not affect the essence of the present utility model. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present utility model without departing from the content of the technical solution of the present utility model still fall within the scope of the protection of the technical solution of the present utility model.

Claims

1. A pressure-proof single-sided roller structure for die-cutting butyl rubber gaskets, comprising a shaft body (1), both ends of the shaft body (1) being rotatably connected with mounting blocks (2); characterized in that: It also comprises two rollers (3), both of which are slidably mounted on the shaft body (1), and the rollers (3) cooperate with the shaft body (1) through a locking mechanism (4) to form a structure for fixing the relative position between the rollers (3) and the shaft body (1).

2. The anti-pressure single-sided roller structure for die-cutting butyl rubber gaskets according to claim 1 is characterized in that: The roller (3) comprises a pressure wheel (31) and a positioning wheel (32); the pressure wheel (31) and the positioning wheel (32) are both slidably sleeved on the outside of the shaft body (1); the pressure wheel (31) and the positioning wheel (32) are coaxially fixedly connected; the outer diameter of the positioning wheel (32) is smaller than the outer diameter of the pressure wheel (31); the pressure wheel (31) cooperates with the shaft body (1) through a locking mechanism (4) to form a structure for fixing the relative position between the roller (3) and the shaft body (1).

3. The anti-pressure single-sided roller structure for die-cutting butyl rubber gaskets according to claim 2 is characterized in that: The locking mechanism (4) comprises at least one slot (41), the slot (41) being provided on the inner wall of the positioning wheel (32) and being connected to a through hole (42) on a side of the slot (41) away from the shaft body (1), and the shaft body (1) being provided with a number of slide grooves (43) extending along its length direction and being equal to the number of the slots (41), the slide grooves (43) and the slot (41) being respectively engaged with two sides of a pin block (44), and a bolt (45) being sleeved in the through hole (42), the bolt (45) being threadedly engaged with the through hole (42) and one end of the bolt (45) being in contact with an end of the pin block (44) away from the shaft body (1).

4. The anti-pressure single-sided roller structure for die-cutting butyl rubber gaskets according to any one of claims 1 to 3, characterized in that: The shaft body (1) is a cylindrical steel column, the diameter of the shaft body (1) is 30 mm and the length is 320 mm.

5. The anti-pressure single-sided roller structure for die-cutting butyl rubber gaskets according to any one of claims 1 to 3, characterized in that: The installation block (2) is a cubic steel block, the length of the installation block (2) is 55 mm, the width is 42 mm and the thickness is 20 mm.

6. The anti-pressure single-sided roller structure for die-cutting butyl rubber gaskets according to any one of claims 1 to 3, characterized in that: The installation block (2) is coaxial with the shaft body (1).

7. The anti-pressure single-sided roller structure for die-cutting butyl rubber gaskets according to claim 2 or 3, characterized in that: The pressing wheel (31) is a circular rubber wheel, the inner diameter of the pressing wheel (31) is 32 mm and the outer diameter is 66 mm.

8. The anti-pressure single-sided roller structure for die-cutting of butyl rubber gaskets according to claim 3 is characterized by: The cross section of the pin block (44) is rectangular.

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