High-temperature-resistant sealing strip bending forming device

By designing bending and fixing devices, the problems of shaking and demolding of sealing strips during bending processing were solved, achieving efficient sealing strip forming.

CN223812322UActive Publication Date: 2026-01-20HALLITE SHANGHAI CO LTD
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Patent Information

Application Number
CN202520339134.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-01-20
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

The existing sealing strips lack a fixing device during bending, which causes shaking, affects the processing effect, and makes it difficult to demold after molding.

Method used

A high-temperature resistant sealing strip forming device including a bending device and a fixing device was designed. The device utilizes a support component and a drive component to achieve the fixing and bending of the sealing strip, and a reset component to achieve rapid demolding.

Benefits of technology

It effectively prevents the sealing strip from shaking during bending, ensuring molding quality, and enables quick demolding, thus improving processing efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223812322U_ABST
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Abstract

The utility model relates to a bending forming device for a high-temperature-resistant sealing strip. A supporting assembly used for supporting a forming female die is fixedly installed at the top end of the forming female die, and a driving assembly used for driving the supporting assembly to move up and down is arranged at the top end of a workbench. The fixing device comprises a fixing assembly which is arranged above the workbench and used for clamping and fixing the sealing strip, and a reset assembly used for demolding the formed sealing strip is fixedly installed at the bottom end of the fixing assembly. The sealing strip in the supporting frame is clamped and fixed through the fixing plate; then the motor drives the screw rod to rotate, the forming female die can be driven to approach the forming male die, the heated sealing strip is bent, at the moment, the spring in the cylinder is compressed, and the supporting frame on the supporting rod can be controlled to move upwards under the elastic action of the spring when the forming female die is far away from the forming male die; and the sealing strip formed on the forming male die is demolded.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sealing strip bending forming device technical field especially is related to a kind of high-temperature-resistant sealing strip bending forming device. BACKGROUND

[0002] In hydraulic system, because oil cylinder needs to be in sealed state, therefore needs to increase the oil cylinder's sealing by sealing strip, and metal interlayer is added in existing sealing strip to improve the rigidity of sealing strip as a whole, thus sealing strip needs to be bent and processed by bending forming device in actual use, so that it is attached to the parts of oil cylinder. For example, as shown in the high-temperature-resistant sealing strip bending forming device of Chinese patent application No. CN202120420384.8, a plurality of first fixing rods are provided on one side of the processing table, and a plurality of second fixing rods are provided on the other side of the processing table, the top end of the first fixing rod is provided with a stop block, the upper end of the second fixing rod is provided with a fixed block, and the fixed block is provided with a slot, the fixed assembly comprises a support rod and an extension plate, the bottom end of the support rod is connected with the processing table through a sliding groove, and the side of the support rod is provided with a second spring.

[0003] However, when using forming punch and forming recess to bend and process the sealing strip, there is a lack of device for fixing the sealing strip, and when the forming punch and the forming recess are close to each other for bending and processing, the sealing strip will shake, which will affect the bending and processing effect of the sealing strip. At the same time, the formed sealing strip will be tightly attached to the forming punch, making it difficult to quickly demold the sealing strip. UTILITY MODEL CONTENT

[0004] To solve the problem of lack of device for fixing the sealing strip in the background art, which will cause the sealing strip to shake when the forming punch and the forming recess are close to each other for bending and processing, and will affect the bending and processing of the sealing strip. At the same time, the formed sealing strip will be tightly attached to the forming punch, making it difficult to demold the sealing strip. The utility model provides the following technical solutions:

[0005] A high-temperature-resistant sealing strip bending forming device, comprising a workbench, a bending device for bending and forming the sealing strip is provided at the top of the workbench, and a fixing device for fixing the sealing strip is provided at the top of the workbench.

[0006] The bending device comprises a forming recess provided above the workbench for bending and forming the sealing strip, a support assembly for supporting the forming recess is fixedly installed at the top of the forming recess, and a driving assembly for driving the support assembly to move up and down is provided at the top of the workbench.

[0007] The fixing device comprises a fixing assembly arranged above the workbench for clamping and fixing the sealing strip, and a reset assembly is fixedly installed at the bottom end of the fixing assembly for demolding the sealing strip after molding.

[0008] Further, the support assembly comprises a connecting rod fixedly installed at the top end of the molding female die, a connecting plate is fixedly installed at the top end of the connecting rod, and a threaded sleeve plate for threaded connection with the driving assembly is fixedly installed at the rear end of the connecting plate.

[0009] Further, the driving assembly comprises a support column fixedly installed at the top end of the workbench, a screw rod for driving the threaded sleeve plate to move up and down is arranged in the column cavity of the support column, and a motor for driving the screw rod to rotate is fixedly installed at the top end of the screw rod.

[0010] Further, the fixing assembly comprises a support frame fixedly installed at the top end of the reset assembly for placing the sealing strip, a fixing plate for fixing the sealing strip in the support frame is penetrated through the frame body of the support frame, and an insertion plate for fixing the fixing plate is arranged on the plate body of the fixing plate.

[0011] Further, the reset assembly comprises a cylinder fixedly installed at the top end of the workbench, and a support rod for supporting the support frame is arranged in the cylinder cavity of the cylinder.

[0012] Further, a limiting circular table for preventing the support rod from being separated from the cylinder is fixedly installed at the bottom end of the support rod, and a spring for controlling the upward movement of the support rod is arranged at the bottom end of the limiting circular table.

[0013] Further, a molding male die for bending and molding the sealing strip in cooperation with the molding female die is fixedly installed at the top end of the workbench, support legs for supporting the workbench are fixedly installed at the bottom end of the workbench, and there are four support legs.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] By arranging the bending device and the fixing device, the heated sealing strip can be placed in the support frame when the sealing strip is bent, and the sealing strip in the support frame is clamped and fixed through the fixing plate; the molding male die is driven to move close to the molding female die through the rotation of the screw rod driven by the motor, and the heated sealing strip is bent; when the sealing strip moves downward, the spring in the cylinder is compressed, and after the bending of the sealing strip is completed, the molding male die moves away from the molding female die, and the support frame on the support rod moves upward under the elastic action of the spring, so that the molded sealing strip on the molding male die is demolded. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic view of the utility model;

[0017] Figure 2 It is the bending device front view of the utility model;

[0018] Figure 3 It is the support column sectional view of the utility model;

[0019] Figure 4 It is the fixed device structure schematic view of the utility model.

[0020] In the drawing, the component name list represented by each figure mark is as follows:

[0021] 100-workbench, 101-forming punch, 102-support leg;

[0022] 200-bending device, 210-forming die, 220-support assembly, 221-threaded sleeve plate, 222-connection plate, 223-connection rod, 230-driving assembly, 231-motor, 232-screw rod, 233-support column;

[0023] 300-fixed device, 310-resetting assembly, 311-cylinder, 312-spring, 313-limiting circular table, 314-supporting rod, 320-fixing assembly, 321-supporting frame, 322-fixing plate, 323-insertion plate. DETAILED DESCRIPTION

[0024] The preferred specific embodiment for realizing the utility model is described in detail below, and clear and complete description is made in conjunction with the drawings.

[0025] Please refer to Figures 1-4 The utility model provides a kind of high-temperature-resistant sealing strip bending forming device.

[0026] Including workbench 100, the top of workbench 100 is provided with the bending device 200 for the bending forming of sealing strip, the top of workbench 100 is provided with the fixed device 300 for the fixing of sealing strip.

[0027] The top of workbench 100 is fixedly installed with the forming punch 101 for cooperating with forming die 210 to bend forming sealing strip, to facilitate the bending processing of the sealing strip after heating by the pressure between the upward movement of bending device 200 and forming punch 101;The bottom of workbench 100 is fixedly installed with the support leg 102 for supporting workbench 100, and support leg 102 has four, four support bodies 102 are distributed in the bottom of workbench 100 four corners in rectangular array.

[0028] The bending device 200 comprises a forming die 210 arranged above the workbench 100 for bending the sealing strip, a support assembly 220 is fixedly installed at the top end of the forming die 210 for supporting the forming die 210, and the top end of the workbench 100 is provided with a driving assembly 230 for driving the support assembly 220 to move up and down.

[0029] The driving assembly 230 comprises a support column 233 fixedly installed at the top end of the workbench 100, and the support column 233 is fixedly installed at the top end of the workbench 100 by welding; a screw rod 232 for driving the threaded sleeve plate 221 to move up and down is arranged in the column cavity of the support column 233, and the upper and lower ends of the screw rod 232 are connected with the column body through bearings to facilitate the rotation of the screw rod 232, a motor 231 for driving the screw rod 232 to rotate is fixedly installed at the top end of the screw rod 232, and the shaft end of the output shaft of the motor 231 is connected with the top end of the screw rod 232 through a shaft coupling, so that when the motor 231 drives the screw rod 232 to rotate, the forming die 120 can be driven to move close to the forming punch 101, and the heated sealing strip can be bent.

[0030] The support assembly 220 comprises a connecting rod 223 fixedly installed at the top end of the forming die 210, a connecting plate 222 is fixedly installed at the top end of the connecting rod 223, a threaded sleeve plate 221 for threaded connection with the driving assembly 230 is fixedly installed at the rear end of the connecting plate 222, the shape and size of the threaded sleeve plate 221 are the same as those of the column cavity of the support column 233, and the screw rod 232 is in threaded connection with the threaded sleeve plate 221, so that the threaded sleeve plate 221 always moves up and down without rotating under the rotation of the screw rod 232; when the sealing strip needs to be bent, the heated sealing strip can be placed on the fixing device 300 for fixation; then the motor 231 drives the screw rod 232 to rotate, so that the forming die 210 can be driven to move close to the forming punch 101, and the heated sealing strip can be bent.

[0031] The fixing device 300 comprises a fixing assembly 320 arranged above the workbench 100 for clamping and fixing the sealing strip, and a reset assembly 310 for demolding the formed sealing strip is fixedly installed at the bottom end of the fixing assembly 320.

[0032] The fixing assembly 320 comprises a support frame 321 fixedly installed at the top end of the resetting assembly 310 for placing the sealing strip, and the cross section of the support frame 321 is in the shape of a concave letter to facilitate placing the sealing strip in the middle of the support frame 321 in the shape of a concave letter, so that the sealing strip can be prevented from falling off when being bent; a fixing plate 322 for fixing the sealing strip in the support frame 321 is penetrated through the frame body of the support frame 321, and the fixing plate 322 is in close contact with the top end of the sealing strip, and the cross section of the fixing plate 322 is in the shape of T to avoid the fixing plate 322 from falling off the support frame 321; thus the sealing strip can be fixed in the support frame 321; an insertion plate 323 for fixing the fixing plate 322 is arranged on the plate body of the fixing plate 322, and the cross section of the insertion plate 323 is in the shape of T to facilitate penetrating the fixing plate 322 by the insertion plate 323 in the shape of T, so that the sealing strip can be fixed in the support frame 321; and the plate body of the forming concave die 210, the forming convex die 101, the support frame 321 and the fixing plate 323 is coated with high-temperature-resistant paint to avoid damage to the sealing strip caused by high temperature.

[0033] The resetting assembly 310 comprises a cylinder 311 fixedly installed at the top end of the workbench 100, and the cross section of the cylinder cavity of the cylinder 311 is in the shape of a step; a support rod 314 for supporting the support frame 321 is arranged in the cylinder cavity of the cylinder 311, a limiting circular table 313 for preventing the support rod 314 from being separated from the cylinder 311 is fixedly installed at the bottom end of the support rod 314, and a spring 312 for controlling the upward movement of the support rod 314 is arranged at the bottom end of the limiting circular table 313; when the sealing strip is bent, the heated sealing strip can be placed in the support frame 321, and the sealing strip in the support frame 321 is clamped and fixed by the fixing plate 322; then the screw rod 232 is driven to rotate by the motor 231, so that the forming concave die 210 is driven to move close to the forming convex die 101, and the heated sealing strip is bent; at the same time, the spring 312 in the cylinder 311 is compressed when the sealing strip moves downward, and after the bending of the sealing strip is completed, the forming concave die 210 moves away from the forming convex die 101, and under the elastic action of the spring 312, the support frame 321 on the support rod 314 is controlled to move upward, so that the formed sealing strip on the forming convex die 101 is quickly demolded.

[0034] Based on the above content and the drawings, those skilled in the art can understand and implement the present application. Moreover, any non-creative modification of the present application made by those skilled in the art without creative labor still falls within the protection scope of the present application.

Claims

1. A high-temperature-resistant sealing strip bending forming device, comprising a workbench (100), characterized in that: The top end of the workbench (100) is provided with a bending device (200) for bending the sealing strip, and the top end of the workbench (100) is provided with a fixing device (300) for fixing the sealing strip. The bending device (200) comprises a forming concave die (210) arranged above the workbench (100) for bending the sealing strip, and the top end of the forming concave die (210) is fixedly installed with a supporting assembly (220) for supporting the forming concave die (210), and the top end of the workbench (100) is provided with a driving assembly (230) for driving the supporting assembly (220) to move up and down. The fixing device (300) comprises a fixing assembly (320) arranged above the workbench (100) for clamping and fixing the sealing strip, and the bottom end of the fixing assembly (320) is fixedly installed with a reset assembly (310) for demolding the formed sealing strip.

2. The device according to claim 1, wherein: The supporting assembly (220) comprises a connecting rod (223) fixedly installed at the top end of the forming concave die (210), and the top end of the connecting rod (223) is fixedly installed with a connecting plate (222), and the rear end of the connecting plate (222) is fixedly installed with a threaded sleeve plate (221) for threaded connection with the driving assembly (230).

3. The device according to claim 2, wherein: The driving assembly (230) comprises a supporting column (233) fixedly installed at the top end of the workbench (100), and the column cavity of the supporting column (233) is provided with a screw rod (232) for driving the threaded sleeve plate (221) to move up and down, and the top end of the screw rod (232) is fixedly installed with a motor (231) for driving the screw rod (232) to rotate.

4. The device according to claim 1, wherein: The fixing assembly (320) comprises a supporting frame (321) fixedly installed at the top end of the reset assembly (310) for placing the sealing strip, and the frame body of the supporting frame (321) is penetrated with a fixing plate (322) for fixing the sealing strip in the supporting frame (321), and the plate body of the fixing plate (322) is provided with an insertion plate (323) for fixing the fixing plate (322).

5. The device according to claim 4, wherein: The reset assembly (310) comprises a cylinder (311) fixedly installed at the top end of the workbench (100), and the cylinder cavity of the cylinder (311) is provided with a supporting rod (314) for supporting the supporting frame (321).

6. The device according to claim 5, wherein: The bottom end of the supporting rod (314) is fixedly installed with a limiting circular table (313) for preventing the supporting rod (314) from being separated from the cylinder (311) and being limited, and the bottom end of the limiting circular table (313) is provided with a spring (312) for controlling the upward movement of the supporting rod (314).

7. The device according to claim 1, wherein: The top end of the workbench (100) is fixedly installed with a forming convex die (101) for cooperating with the forming concave die (210) to bend the sealing strip, and the bottom end of the workbench (100) is fixedly installed with a supporting leg (102) for supporting the workbench (100), and the supporting leg (102) has four.

Citation Information

Patent Citations

  • High-temperature-resistant sealing strip bending forming device

    CN214419560U