Riveting positioning tool for installing torsional spring in circuit breaker operating mechanism

By designing a riveting and positioning fixture for the support components, transmission components, and riveting and positioning components, the problems of rapid clamping and deformation prevention in the installation of torsion springs in the prior art are solved, thus achieving efficient installation of the circuit breaker operating mechanism.

CN223518582UActive Publication Date: 2025-11-07CHANGZHOU GENGYUN ELECTRIC APPLIANCE
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Patent Information

Application Number
CN202423096508.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-11-07
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

The existing torsion spring installation method in circuit breaker operating mechanisms has the drawbacks of not being able to quickly clamp and release the frame side plate, and not being able to provide anti-deformation support during the riveting process, which affects the installation efficiency and effectiveness of the torsion spring.

Method used

A riveting positioning fixture including a support component, a conveying component, and a riveting positioning component was designed. The support component and the conveying component enable the rapid clamping and release of the frame side plate and provide anti-deformation support during the riveting process. The riveting positioning component is used to automatically feed the rivet pin rod.

Benefits of technology

This enables rapid clamping and release of the frame side panels, ensuring the installation effect of the torsion spring, preventing deformation, and improving installation efficiency and quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of circuit breaker production, in particular to a riveting and positioning tool for installing a torsional spring in a circuit breaker operating mechanism, which comprises a supporting assembly, a conveying assembly and a riveting and positioning assembly, the riveting positioning assembly comprises a positioning groove-shaped plate, a riveting bottom supporting mechanism is jointly mounted on the lower portions of two side plates of the positioning groove-shaped plate, and a frame plate clamping mechanism and a torsion spring mounting base clamping mechanism are symmetrically mounted on the upper portions of the two side plates of the positioning groove-shaped plate. The riveting device is reasonable in structural design, the conveying assembly is used for sequentially conveying the frame side plates of the circuit breaker operating mechanism to the riveting positioning assembly, and the riveting positioning assembly is used for clamping the frame side plates and providing bottom supporting, half shaft righting and clamping functions and an automatic pull riveting needle rod feeding function for the frame side plates; according to the riveting device, the frame side plate of the circuit breaker operating mechanism can be rapidly clamped and released, meanwhile, anti-deformation supporting can be provided for the frame side plate in the riveting process, and the installation effect of a torsional spring is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to circuit breaker production technical field especially relates to a riveting positioning frock for torsional spring installation in circuit breaker operating mechanism. BACKGROUND

[0002] The torsional spring of traditional circuit breaker operating mechanism needs to be installed to the frame side plate by eccentric bolt assembly, and the operator needs to adjust all eccentric bolt assemblies to the same position in the torsional spring torsion value adjustment process, if not adjusted in place, it will affect the closing and opening operation of the mechanism, and the screw rod of eccentric bolt assembly is exposed for a long time, which is easy to interfere with the controller and other components.

[0003] The above-mentioned torsional spring installation method in circuit breaker operating mechanism needs riveting positioning frock to position the frame side plate. UTILITY MODEL CONTENTS

[0004] The utility model discloses a riveting positioning frock for torsional spring installation in circuit breaker operating mechanism.

[0005] In order to realize the above technical purpose and achieve the above technical effect, the utility model is realized through the following technical scheme:

[0006] A riveting positioning frock for torsional spring installation in circuit breaker operating mechanism, comprising a support assembly, a conveying assembly and a riveting positioning assembly installed thereon.

[0007] The riveting positioning assembly comprises a positioning slot-shaped plate, the lower parts of the two side plates of the positioning slot-shaped plate are commonly provided with a riveting bottom support mechanism, and the upper parts of the two side plates of the positioning slot-shaped plate are symmetrically provided with a frame plate clamping mechanism and a torsional spring installation base clamping mechanism.

[0008] The riveting bottom support mechanism comprises a lead screw motor, a lead screw, a guide rod, a movable block, a bottom support push rod and a support plate, the lead screw motor is fixed on the side plate of the positioning groove-shaped plate, the output end of the lead screw motor is provided with the lead screw, the guide rod is arranged below the lead screw and is fixed and supported by the two side plates of the positioning groove-shaped plate, the movable block is jointly installed on the outer sides of the lead screw and the guide rod, the bottom support push rod is fixed on the side end of the movable block, the support plate is installed on the movable end of the bottom support push rod, the support plate is provided with a guide pin tube for guiding the lead pin rod at the lower side of the end away from the movable block, and a deformation avoiding groove for deforming the lead sleeve is formed in the upper side of the end away from the movable block of the support plate.

[0009] The frame plate clamping mechanism comprises a support block, a convex plate, a vertical push rod and a clamping pressing plate, the support block and the convex plate are fixed on the side plate of the positioning groove-shaped plate, the convex plate is located above the support block, the vertical push rod is installed on the convex plate, and the clamping pressing plate is installed on the movable end of the vertical push rod.

[0010] The torsional spring mounting base clamping mechanism comprises a horizontal push rod and an arc-shaped clamping plate, the movable end of the horizontal push rod is provided with the arc-shaped clamping plate matched with the outer wall of the torsional spring mounting base.

[0011] Further, in the torsional spring mounting riveting positioning tool in the circuit breaker operating mechanism, a first riveting hole is formed in the side plate of the frame of the circuit breaker operating mechanism, a square groove for clamping the central axis of the torsional spring is formed in the upper end of the torsional spring mounting base, a second riveting hole is formed in the bottom surface of the square groove, the first riveting hole and the second riveting hole are jointly inserted with a lead sleeve, and the end of the lead sleeve is upward.

[0012] Further, in the torsional spring mounting riveting positioning tool in the circuit breaker operating mechanism, the support assembly comprises two longitudinally arranged longitudinal sliding rails, the two ends of the longitudinal sliding rails are provided with supporting blocks for supporting the conveying assembly, the longitudinal sliding rails are provided with sliding blocks matched with the longitudinal sliding rails to form a linear guide rail pair, and the two sliding blocks are used for supporting the positioning groove-shaped plate.

[0013] Further, in the torsional spring mounting riveting positioning tool in the circuit breaker operating mechanism, the conveying assembly comprises two conveying groove-shaped plates respectively installed on the corresponding supporting blocks, the two conveying groove-shaped plates are respectively movably supported with a driving roller shaft and a driven roller shaft, the outer sides of the driving roller shaft and the driven roller shaft are respectively provided with supporting rollers for supporting a conveying belt, the outer end of the driving roller shaft is connected with the output shaft of a driving motor through a shaft coupling, and the driving motor is fixed on the adjacent conveying groove-shaped plate.

[0014] Further, in the torsional spring mounting riveting positioning tool in the circuit breaker operating mechanism, the roller bodies of the supporting rollers are uniformly provided with anti-skid convex teeth, and the inner sides of the belt bodies of the conveying belt are uniformly provided with anti-skid tooth grooves matched with the anti-skid convex teeth.

[0015] Further, in the riveting positioning tool for torsional spring installation in the circuit breaker operating mechanism, the upper surface of the support block in the frame clamping mechanism abuts against the lower surface of the upper layer of the belt body in the corresponding side conveying belt.

[0016] Further, in the riveting positioning tool for torsional spring installation in the circuit breaker operating mechanism, the movable block in the riveting bottom support mechanism is provided with a screw rod hole matched with the screw rod, a guide hole matched with the guide rod, and a guide vertical slot, and the support plate located at one end close to the movable block is provided with a guide vertical plate extending into the guide vertical slot.

[0017] Further, in the riveting positioning tool for torsional spring installation in the circuit breaker operating mechanism, the guide nail pipe of the support plate is connected with a pneumatic nail feeding device through a pneumatic hose.

[0018] The utility model discloses the beneficial effect is:

[0019] The utility model discloses reasonable in structure, it is mainly by support subassembly, conveying subassembly and riveting positioning subassembly constitute, the frame sideboard of circuit breaker operating mechanism is seted up with first riveting hole, and the upper end of torsional spring installation base is seted up with the square groove convenient for clamping torsional spring center axle to the inside, and the bottom surface of square groove is seted up with second riveting hole, and the end of pull rivet sleeve pipe is upwards after the butt joint of first riveting hole and second riveting hole is inserted together, and the end of pull rivet sleeve pipe is upwards, conveying subassembly is used to convey the frame sideboard of circuit breaker operating mechanism to riveting positioning subassembly in proper order, and riveting positioning subassembly is used to clamp the frame sideboard and provides bottom support, half shaft righting clamping function and automatic send in pull rivet needle rod function. Through this way can realize the quick clamping and release of the frame sideboard of circuit breaker operating mechanism to the frame sideboard, can provide the anti-deformation support to the frame sideboard in the riveting process, guarantees the installation effect of torsional spring.

[0020] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages above. DRAWINGS

[0021] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0022] Figure 1 It is the three-dimensional structure schematic diagram of the whole of the utility model;

[0023] Figure 2 It is the three-dimensional structure schematic diagram of support subassembly and conveying subassembly in the utility model;

[0024] Figure 3 is the three-dimensional structure schematic view of the riveting positioning assembly in the utility model;

[0025] Figure 4 is the main view structure schematic view of the riveting positioning assembly in the utility model;

[0026] Figure 5 is the structure schematic view of the movable block and the upper part thereof in the utility model;

[0027] Figure 6 is the riveting principle schematic view of the utility model;

[0028] In the drawings, the components represented by each reference numeral are explained as follows:

[0029] 1-support assembly, 101-longitudinal slide rail, 102- support block, 103-sliding block;

[0030] 2-conveying assembly, 201-conveying groove-shaped plate, 202-driving roller shaft, 203-driven roller shaft, 204-supporting roller, 205-conveying belt, 206-driving motor;

[0031] 3-riveting positioning assembly, 301-positioning groove-shaped plate, 302-screw rod motor, 303-screw rod, 304-guide rod, 305-movable block, 306-bottom support push rod, 307-supporting plate, 308-guide dowel tube, 309-deformation avoiding groove;

[0032] 4-frame side plate;

[0033] 5-torsion spring installation base;

[0034] 6-pull rivet sleeve;

[0035] 7-pull rivet needle rod. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0037] As shown in Figures 1-6 The embodiment provides a riveting positioning tool for torsion spring installation in a circuit breaker operating mechanism, which comprises a support assembly 1 and a conveying assembly 2 and a riveting positioning assembly 3 installed on the support assembly 1.

[0038] In the embodiment, the support assembly 1 comprises two longitudinal sliding rails 101 arranged side by side, the two ends of the longitudinal sliding rails 101 are provided with supporting blocks 102 for supporting the conveying assembly 2, the longitudinal sliding rails 101 are provided with sliding blocks 103 which constitute a linear guide rail pair with the longitudinal sliding rails 101, and the two sliding blocks 103 are used for supporting and positioning the groove-shaped plate 301.

[0039] In the embodiment, the conveying assembly 2 comprises two conveying groove-shaped plates 201 which are respectively installed on the corresponding supporting blocks 102, the two conveying groove-shaped plates 201 are respectively movably supported by driving rollers 202 and driven rollers 203, the outer sides of the driving rollers 202 and the driven rollers 203 are respectively provided with supporting rollers 204 for supporting a conveying belt 205. The outer end of the driving roller 202 is connected with the output shaft of a driving motor 206 through a shaft coupling, and the driving motor 206 is fixed on the adjacent conveying groove-shaped plate 201.

[0040] In the embodiment, the outer sides of the supporting rollers 204 are uniformly provided with anti-skid protrusions, and the inner sides of the conveying belt 205 are uniformly provided with anti-skid tooth grooves matched with the anti-skid protrusions.

[0041] In the embodiment, the riveting positioning assembly 3 comprises the positioning groove-shaped plate 301, the lower parts of the side plates of the positioning groove-shaped plate 301 are jointly provided with a riveting bottom support mechanism, and the upper parts of the side plates of the positioning groove-shaped plate are symmetrically provided with a frame plate clamping mechanism and a torsional spring mounting base clamping mechanism.

[0042] In the embodiment, the riveting bottom support mechanism comprises a lead screw motor 302, a lead screw 303, a guide rod 304, a movable block 305, a bottom support push rod 306 and a support plate 307. The lead screw motor 302 is fixed on the side plate of the positioning groove-shaped plate 301, the output end of the lead screw motor 302 is provided with the lead screw 303, and the guide rod 304 is arranged below the lead screw 303 and is fixedly supported by the two side plates of the positioning groove-shaped plate 301. The outer sides of the lead screw 303 and the guide rod 304 are jointly provided with the movable block 305, the side end of the movable block 305 is fixed with the bottom support push rod 306, and the movable end of the bottom support push rod 306 is provided with the support plate 307. The lower side of the end of the support plate 307 away from the movable block 305 is provided with a guide pin tube 308 for guiding the insertion of a rivet pin 7, and the upper side of the end of the support plate 307 away from the movable block 305 is provided with a deformation avoiding groove 309 for deforming a rivet sleeve 6.

[0043] In the embodiment, the frame plate clamping mechanism comprises a support block 310, a protruding plate 311, a vertical push rod 312 and a clamping pressure plate 313, the support block 310 and the protruding plate 311 are fixed on the side plate of the positioning groove-shaped plate 301, and the protruding plate 311 is located above the support block 310. The protruding plate 311 is provided with the vertical push rod 312, and the movable end of the vertical push rod 312 is provided with the clamping pressure plate 313.

[0044] In the embodiment, the torsional spring mounting base clamping mechanism comprises a transverse push rod 314 and an arc-shaped clamping plate 315, and the arc-shaped clamping plate 315 is installed on the movable end of the transverse push rod 314 and cooperates with the outer wall of the torsional spring mounting base 5.

[0045] In the embodiment, the movable block 305 of the riveting bottom support mechanism is provided with a lead screw hole 305a cooperating with the lead screw 303, a guide hole 305b cooperating with the guide rod 304, and a guide vertical slot 305c, and the support plate 307 is provided with a guide vertical plate extending into the guide vertical slot 305c at one end close to the movable block 305.

[0046] In the embodiment, the guide pin tube 308 of the support plate 307 is connected with a pneumatic feeding and pin supplying device through a pneumatic feeding hose.

[0047] In the embodiment, the upper surface of the support block 310 of the frame plate clamping mechanism abuts against the lower surface of the upper layer of the corresponding side conveying belt 205.

[0048] One specific application of the embodiment is that the tooling mainly comprises a support assembly 1, a conveying assembly 2 and a riveting positioning assembly 3, the frame side plate 4 of the circuit breaker operating mechanism is provided with a first riveting hole, the upper end of the torsional spring mounting base 5 is provided with a square groove inwardly for conveniently clamping a torsional spring center shaft, and the torsional spring center shaft and the torsional spring are connected integrally through welding. The bottom surface of the square groove is provided with a second riveting hole, the first riveting hole and the second riveting hole are inserted with a rivet sleeve 6 in an opposite manner, and the end of the rivet sleeve 6 is upward; the conveying assembly 2 is used for conveying the frame side plate 4 of the circuit breaker operating mechanism to the riveting positioning assembly 3 in sequence, and the riveting positioning assembly 3 is used for clamping the frame side plate 4 and providing bottom support, half shaft righting clamping function and automatic feeding of a rivet needle rod 7. In this way, the frame side plate of the circuit breaker operating mechanism can be quickly clamped and released, and the frame side plate can be provided with anti-deformation support during riveting, so as to guarantee the installation effect of the torsional spring.

[0049] The preferred embodiments disclosed above are only used for helping to describe the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific embodiments. Apparently, according to the content of the description, many modifications and changes can be made. The description selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A riveting positioning tool for torsion spring installation in a circuit breaker operating mechanism, characterized by, The support assembly, the conveying assembly and the riveting positioning assembly are installed on the support assembly; The riveting positioning assembly comprises a positioning channel-shaped plate, a riveting bottom support mechanism is installed at the lower part of the two side plates of the positioning channel-shaped plate, and a frame plate clamping mechanism and a torsional spring installation base clamping mechanism are symmetrically installed at the upper part of the two side plates of the positioning channel-shaped plate; The riveting bottom support mechanism comprises a lead screw motor, a lead screw, a guide rod, a movable block, a bottom support push rod and a support plate, the lead screw motor is fixed on the side plate of the positioning channel-shaped plate, the output end of the lead screw motor is provided with the lead screw, the guide rod is arranged below the lead screw and is fixed and supported by the two side plates of the positioning channel-shaped plate, the movable block is jointly installed on the outer sides of the lead screw and the guide rod, the side end of the movable block is fixed with the bottom support push rod, the movable end of the bottom support push rod is provided with the support plate, the lower side of the end of the support plate away from the movable block is provided with a guide pin tube for guiding the lead pin rod, and the upper side of the end of the support plate away from the movable block is provided with a deformation avoiding groove for deforming the lead sleeve. The frame plate clamping mechanism comprises a support block, a convex plate, a vertical push rod and a clamping pressure plate, the support block and the convex plate are fixed on the side plate of the positioning channel-shaped plate, the convex plate is located above the support block, the vertical push rod is installed on the convex plate, and the movable end of the vertical push rod is provided with the clamping pressure plate. The torsional spring installation base clamping mechanism comprises a horizontal push rod and an arc-shaped clamping plate, the movable end of the horizontal push rod is provided with the arc-shaped clamping plate matched with the outer wall of the torsional spring installation base.

2. The riveting positioning jig for torsion spring installation in a circuit breaker operating mechanism according to claim 1, characterized by, A first riveting hole is formed in the frame side plate of the circuit breaker operating mechanism, a square groove for clamping the center axis of the torsional spring is formed in the upper end of the torsional spring installation base, a second riveting hole is formed in the bottom surface of the square groove, the first riveting hole and the second riveting hole are jointly inserted with the lead sleeve after being connected, and the end of the lead sleeve is upward.

3. The riveting positioning tool for torsion spring installation in a circuit breaker operating mechanism according to claim 2, characterized by, The support assembly comprises two longitudinally arranged slide rails, the two ends of the slide rails are provided with supporting blocks for supporting the conveying assembly, the slide rails are provided with slide blocks matched with the slide rails to form a linear guide rail pair, and the two slide blocks are used for supporting the positioning channel-shaped plate.

4. The riveting positioning tool for torsion spring installation in a circuit breaker operating mechanism according to claim 3, characterized by, The conveying assembly comprises two conveying channel-shaped plates respectively installed on the supporting blocks, the two conveying channel-shaped plates are respectively movably supported with driving roller shafts and driven roller shafts, the outer sides of the driving roller shafts and the driven roller shafts are respectively provided with supporting rollers for supporting the conveying belt, the outer end of the driving roller shaft is connected with the output shaft of a driving motor through a shaft coupling, and the driving motor is fixed on the adjacent conveying channel-shaped plate.

5. The riveting positioning tool for torsion spring installation in a circuit breaker operating mechanism according to claim 4, characterized by, The outer side of the roller body of the supporting roller is uniformly provided with anti-skid convex teeth, and the inner side of the belt body of the conveying belt is uniformly provided with anti-skid tooth grooves matched with the anti-skid convex teeth.

6. The riveting positioning tool for torsion spring installation in a circuit breaker operating mechanism according to claim 5, characterized by, The upper surface of the support block in the frame plate clamping mechanism is in abutment with the lower surface of the upper layer of the corresponding side conveying belt.

7. The riveting positioning tool for torsion spring installation in a circuit breaker operating mechanism according to claim 6, characterized by, The movable block in the riveting bottom support mechanism is provided with a lead screw hole matched with the lead screw, a guide hole matched with the guide rod and a guide vertical groove, and the end of the support plate close to the movable block is provided with a guide vertical plate extending into the guide vertical groove.

8. The riveting positioning tool for torsion spring installation in a circuit breaker operating mechanism according to claim 7, characterized by, The guide pin tube of the support plate is connected with a pneumatic nail feeding device through a pneumatic hose.