Edge grinding device for molded case circuit breaker production

By designing the fixing ring and connecting rod structure of the electric hand grinder, the problems of inconvenient support and handling during use were solved, achieving stable support and quick handling of the electric hand grinder, thus improving convenience and stability.

CN223848962UActive Publication Date: 2026-01-30PASCAL ELECTRIC (SHANGHAI) CO LTD
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Patent Information

Application Number
CN202520414458.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-01-30
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

The existing edge grinding device used in the production of molded case circuit breakers is difficult for the operator to support and place when using an electric hand grinder, resulting in inconvenience in handling and affecting ease of use and stability.

Method used

A device comprising an electric hand grinder, a fixing ring, a connecting rod, a support frame, and a base plate is designed. The fixing ring and connecting rod structure allows the operator to place the electric hand grinder vertically on the table. The support frame pushes the support frame structure of the base plate, allowing the operator to place the electric hand grinder vertically on the table. The fixing ring and connecting rod structure allows the operator to quickly pick up the electric hand grinder.

Benefits of technology

It achieves stable support and quick handling of the electric hand grinder, improving the ease of use and stability for the operator.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses an edging device for molded case circuit breaker production, and belongs to the technical field of edging devices, the edging device comprises an electric hand mill, the surface of the electric hand mill is provided with a storage groove, the surface of the storage groove is slidably connected with a fixing ring, and first connecting rods inserted into the storage groove are fixed around the fixing ring; the end of the first connecting rod is rotationally connected with a supporting frame, the end of the other side of the supporting frame is rotationally connected with a bottom plate, and the bottom plate is rotationally connected with the storage groove. The electric hand mill is vertically placed on the table top, so that an operator can conveniently and quickly take the electric hand mill, the convenience of using the electric hand mill by the operator is improved, meanwhile, the stability of supporting the electric hand mill and the bottom plate by the supporting frame is improved, and the stability of placing the electric hand mill on the table top is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of edge grinding device, especially relates to an edge grinding device for plastic shell circuit breaker production. BACKGROUND

[0002] The edge grinding device for plastic shell circuit breaker production is a device for polishing and edging plastic shell circuit breakers. This device is usually used to improve the surface smoothness and edge flatness of plastic shell circuit breakers to ensure the quality and performance of the products. Therefore, it is known that the existing edge grinding device basically meets the use requirements of people, but still has the following problems.

[0003] The plastic shell circuit breaker housing is usually injected into a mold by an injection molding machine. After the raw material cools down, the plastic shell circuit breaker housing production is completed. When the plastic shell circuit breaker housing production is completed, there may be small burrs on the surface of some plastic shell circuit breaker housings. When cleaning the small burrs on the surface of the plastic shell circuit breaker housing, the operator may use a hand grinder to edge the four sides of the plastic shell circuit breaker housing. When the operator uses the electric hand grinder, the operator cannot support and place the electric hand grinder, so the operator lays the electric hand grinder on the desktop, which may prevent the operator from quickly taking and using the electric hand grinder. Therefore, we propose an edge grinding device for plastic shell circuit breaker production. UTILITY MODEL CONTENTS

[0004] The utility model provides an edge grinding device for plastic shell circuit breaker production, through vertical placing electric hand grinder on desktop, subsequent bottom plate and support frame support electric hand grinder, convenient for operator vertical placing electric hand grinder on desktop, convenient for operator to take and use electric hand grinder.

[0005] To achieve the above object, the utility model provides the following technical scheme: an edge grinding device for plastic shell circuit breaker production, including electric hand grinder, the surface of electric hand grinder is equipped with receiving groove, and the surface of receiving groove is connected with fixed ring slidingly, the periphery of fixed ring is fixed with first connecting rod inserted in receiving groove, and the end of first connecting rod is rotatably connected with support frame, the other side end of support frame is rotatably connected with bottom plate, and bottom plate is rotatably connected with receiving groove.

[0006] Further, the middle part of the first connecting rod on any one side is provided with an avoiding slot, and the avoiding slot is provided with an insertion block and a spring respectively, the two side ends of the spring are abutted between the surface of the insertion block and the inner wall of the avoiding slot, the end of the insertion block is sleeved with a bolt provided on the inner wall of the receiving groove, and the surface of the insertion block is fixed with a push block penetrating through one side of the avoiding slot.

[0007] Further, the inner wall of the avoiding slot is fixed with a traction rod penetrating through the spring, and the end of the traction rod is sleeved with a traction slot provided in the middle part of the insertion block.

[0008] Further, the insertion blocks are rectangular blocks, the avoidance grooves are rectangular recesses, and the rectangular recesses of the avoidance grooves and the rectangular blocks of the insertion blocks are matched with each other.

[0009] Further, the fixed rings and the receiving grooves are fixed with sliding blocks on one side, and the sliding blocks are sleeved with sliding grooves provided on the receiving grooves.

[0010] Further, the support frames are inserted into the first connecting rods and the bottom plate on both sides, and the support frames are penetrated by first rotating shafts fixed on the inner walls of the first connecting rods and the bottom plate.

[0011] Further, the bottom plate is penetrated by second rotating shafts provided in a cylindrical shape, and the second rotating shafts are fixed on the inner walls of the receiving grooves.

[0012] The beneficial effects of the utility model are:

[0013] 1. The edge grinding device for plastic shell circuit breaker production is provided with a fixed ring, a first connecting rod, a support frame and a bottom plate, the operator pushes the fixed ring, the fixed ring pushes the support frame to move through the first connecting rod, the support frame pushes the bottom plate to move, the bottom plate is matched with the desktop, then the support frame supports the electric hand grinder and the bottom plate, the electric hand grinder is vertically placed on the desktop, the operator can quickly take the electric hand grinder, and the convenience of the operator using the electric hand grinder is improved.

[0014] 2. The edge grinding device for plastic shell circuit breaker production is provided with a bolt, an insertion block, an avoidance groove and a spring, after the operator no longer pulls the push block, the spring is elastically deformed and recovered, the spring pushes the insertion block to move, the insertion block is moved out of the avoidance groove and inserted into the bolt, the first connecting rod is fixed in the receiving groove through the insertion block inserted into the bolt, the position of the support frame and the bottom plate is fixed after the position of the first connecting rod is fixed, the stability of the support frame supporting the electric hand grinder and the bottom plate is improved, and the stability of the electric hand grinder placed on the desktop is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view structural schematic diagram of the utility model;

[0016] Figure 2 It is a front view sectional structure schematic diagram of the utility model;

[0017] Figure 3 It is a front view sectional structure schematic diagram of the utility model in use;

[0018] Figure 4 It is a top view sectional structure schematic diagram of the sliding block and the sliding groove of the utility model;

[0019] Figure 5 It is overhead section structure schematic view of first connecting rod and storage groove of the utility model;

[0020] Figure 6 It is overhead section structure schematic view of first connecting rod and storage groove of the utility model; Figure 5 It is enlarged structure schematic view of A place in the middle.

[0021] In the figure:

[0022] 1, electric hand grinder;2, fixed ring;3, first connecting rod;4, support frame;5, first rotating shaft;6, bottom plate;7, second rotating shaft;8, storage groove;9, sliding slot;10, sliding block;11, bolt;12, plug;13, traction groove;14, traction rod;15, spring;16, avoiding groove;17, push block. Specific implementation

[0023] In order to further understand the utility model content, characteristics and efficacy of the utility model, the following examples are cited, and the following is described in detail with the help of drawings.

[0024] Example:

[0025] Please refer to Figure 1 - Figure 6The utility model provides a kind of edge grinding device for moulded case circuit breaker production, including electric hand grinder 1, electric hand grinder 1 surface is set with receiving groove 8, and receiving groove 8 surface is slidably connected with fixed ring 2, and fixed ring 2 is all hot melt with the first connecting rod 3 inserted in receiving groove 8 and is pasted around, and first connecting rod 3 end is rotatably connected with support frame 4, and support frame 4 other side end is rotatably connected with bottom plate 6, and support frame 4 both sides end is inserted in first connecting rod 3 and bottom plate 6 respectively, and support frame 4 both sides end is all penetrated with first rotating shaft 5 hot melt and pasted on the inner wall of first connecting rod 3 and bottom plate 6, and bottom plate 6 is rotatably connected with receiving groove 8, and bottom plate 6 terminal is all penetrated with the second rotating shaft 7 being set as cylindrical, and second rotating shaft 7 is all hot melt and pasted on the inner wall of receiving groove 8, when operator needs to place electric hand grinder 1 vertically on desktop, operator first holds hand and holds on the surface of fixed ring 2, then pushes fixed ring 2, and fixed ring 2 drives first connecting rod 3 to move, and first connecting rod 3 slides in receiving groove 8, and when first connecting rod 3 moves, first connecting rod 3 moves support frame 4 by first rotating shaft 5, and when first connecting rod 3 moves support frame 4 by first rotating shaft 5, support frame 4 is slidably set as cylindrical first rotating shaft 5 surface by the circular through-hole being set on the side of first rotating shaft 5 penetrated, so that the angle between first connecting rod 3 and support frame 4 is adjusted, then when support frame 4 moves, support frame 4 moves bottom plate 6 by another first rotating shaft 5, and when bottom plate 6 moves, bottom plate 6 rotates in support frame 4 front end by another first rotating shaft 5, so that the angle of support frame 4 and bottom plate 6 changes, and bottom plate 6 terminal rotates in receiving groove 8 by second rotating shaft 7, so that bottom plate 6 and desktop mutually adhere, and support frame 4 and bottom plate 6 support electric hand grinder 1, so that electric hand grinder 1 is placed vertically on desktop, it is convenient for operator to quickly take electric hand grinder 1, improve the convenience of operator using electric hand grinder 1.

[0026] In other embodiments, the middle of the first connecting rod 3 on either side is provided with a avoiding slot 16, and the avoiding slot 16 is provided with an insertion block 12 and a spring 15 respectively, the both sides of the spring 15 are respectively abutted between the surface of the insertion block 12 and the inner wall of the avoiding slot 16, the end of the insertion block 12 is sleeved with a bolt 11 provided on the inner wall of the storage slot 8, and the surface of the insertion block 12 is hot melt bonded with a push block 17 passing through one side of the avoiding slot 16, when the operator no longer needs to fix the first connecting rod 3 and the storage slot 8, the operator first pulls the push block 17, the push block 17 drives the insertion block 12 to slide in the avoiding slot 16, and when the insertion block 12 slides in the avoiding slot 16, the insertion block 12 extrudes the spring 15, so that the spring 15 elastically deforms, and after the spring 15 elastically deforms, the spring 15 avoids the insertion block 12, so that the insertion block 12 enters the avoiding slot 16, and the insertion block 12 moves out of the bolt 11, so that the bolt 11 and the insertion block 12 no longer fix the first connecting rod 3 and the storage slot 8, and the first connecting rod 3 can slide in the storage slot 8;

[0027] When the first connecting rod 3 moves the insertion block 12 to the front end of another bolt 11 through the avoiding slot 16, the insertion block 12 is no longer pressed by the inner wall of the storage slot 8, the insertion block 12 no longer extrudes the spring 15, the spring 15 elastically deforms, the spring 15 drives the insertion block 12 to move, so that the insertion block 12 is inserted into another bolt 11, and after the insertion block 12 is inserted into another bolt 11, the first connecting rod 3 is fixed in the storage slot 8, which is convenient for the operator to fix the first connecting rod 3 in the storage slot 8.

[0028] In other embodiments, the inner wall of the avoiding slot 16 is hot melt bonded with a traction rod 14 passing through the spring 15, and the end of the traction rod 14 is sleeved with a traction slot 13 provided in the middle of the insertion block 12, when the insertion block 12 slides in the avoiding slot 16, the traction slot 13 provided in the middle of the insertion block 12 slides on the surface of the traction rod 14, so that the traction slot 13 and the traction rod 14 traction the moving direction of the insertion block 12 in the avoiding slot 16, increase the stability of the movement of the insertion block 12 in the avoiding slot 16, and when the insertion block 12 moves, the insertion block 12 extrudes the spring 15, the spring 15 elastically deforms on the surface of the traction rod 14, the traction rod 14 limits the spring 15, avoids the spring 15 from being elastically deformed and contracted after the spring 15 is elastically deformed, and the spring 15 is intertwined together.

[0029] In other embodiments, the insertion blocks 12 are all rectangular blocks, the avoidance grooves 16 are all rectangular recesses, and the rectangular recesses of the avoidance grooves 16 are matched with the rectangular blocks of the insertion blocks 12. The rectangular blocks of the insertion blocks 12 are matched with the rectangular recesses of the avoidance grooves 16, the surfaces of the rectangular blocks of the insertion blocks 12 are matched with the inner walls of the rectangular recesses of the avoidance grooves 16, the surfaces of the insertion blocks 12 are matched with the inner walls of the avoidance grooves 16, and the stability of the sliding of the insertion blocks 12 in the avoidance grooves 16 is increased.

[0030] In other embodiments, the fixed rings 2 and the receiving grooves 8 are matched on one side, and the sliding blocks 10 are hot-melt matched on the one side, and the surfaces of the sliding blocks 10 are all sleeved with the sliding grooves 9 on the receiving grooves 8. When the operators pull the fixed rings 2 to move, the fixed rings 2 drive the sliding blocks 10 to slide in the sliding grooves 9. The sliding blocks 10 slide in the sliding grooves 9, the sliding blocks 10 and the sliding grooves 9 pull the moving track of the fixed rings 2, the stability of the sliding of the fixed rings 2 on the surfaces of the receiving grooves 8 is increased, and the fixed rings 2 are prevented from rotating on the surfaces of the receiving grooves 8 when the fixed rings 2 slide on the surfaces of the receiving grooves 8.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and deformations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A device for grinding the edges of molded case circuit breakers, comprising an electric hand grinder (1), characterized in that: The electric hand grinder (1) is provided with a receiving groove (8) on the surface, and a fixed ring (2) is slidably connected to the surface of the receiving groove (8), the fixed ring (2) is fixed with a first connecting rod (3) inserted into the receiving groove (8) around, and a support frame (4) is rotatably connected to the end of the first connecting rod (3), the other side end of the support frame (4) is rotatably connected with a bottom plate (6), and the bottom plate (6) is rotatably connected with the receiving groove (8).

2. The edge grinding device for producing molded case circuit breakers according to claim 1, characterized in that: The middle of the first connecting rod (3) on any one side is provided with an avoiding groove (16), and the avoiding groove (16) is provided with an insertion block (12) and a spring (15) respectively, the two side ends of the spring (15) are respectively abutted between the surface of the insertion block (12) and the inner wall of the avoiding groove (16), the end of the insertion block (12) is sleeved with a bolt (11) provided on the inner wall of the receiving groove (8), and the surface of the insertion block (12) is fixed with a push block (17) penetrating through one side of the avoiding groove (16).

3. The device for grinding edges of a molded case circuit breaker according to claim 2, wherein: The inner wall of the avoiding groove (16) is fixed with a traction rod (14) penetrating through the spring (15), and the end of the traction rod (14) is sleeved with a traction groove (13) provided in the middle of the insertion block (12).

4. The device for grinding edges of molded case circuit breakers according to claim 2, characterized in that: The insertion block (12) is a rectangular block, the avoiding groove (16) is provided as a rectangular groove, and the rectangular groove of the avoiding groove (16) and the rectangular block of the insertion block (12) are matched with each other.

5. The device for grinding edges of plastic shell circuit breaker according to claim 1, characterized in that: The fixed ring (2) and the receiving groove (8) are fixed with a sliding block (10) on the side of mutual adhesion, and the surface of the sliding block (10) is sleeved with a sliding groove (9) provided on the receiving groove (8).

6. The device for grinding edges of a molded case circuit breaker according to claim 1, wherein: The two side ends of the support frame (4) are respectively inserted into the first connecting rod (3) and the bottom plate (6), and the two side ends of the support frame (4) are penetrated by a first rotating shaft (5) fixed on the inner wall of the first connecting rod (3) and the bottom plate (6).

7. The device for grinding edges of plastic shell circuit breaker according to claim 1, characterized in that: The end of the bottom plate (6) is penetrated by a second rotating shaft (7) provided as a cylinder, and the second rotating shaft (7) is fixed on the inner wall of the receiving groove (8). The end of the bottom plate (6) is penetrated by a second rotating shaft (7) provided as a cylinder, and the second rotating shaft (7) is fixed on the inner wall of the receiving groove (8).