Modularized clamp device capable of achieving multi-machine-type interchange

Abstract

The utility model relates to the technical field of potentiometer production clamps, in particular to a modularized clamp device capable of realizing interchange of multiple machine types, which comprises a lower die assembly and an upper die assembly, the riveting reed jig comprises a ring sleeve, a convex shaft, a spline, a reed positioning pipe, a reed bending notch and a reinforcing block; the lower die assembly comprises a lower die base, a lower positioning frame, a lower blocking piece, a lower die block, a lower mounting base, an outer positioning column and an inner positioning pipe. The upper die assembly comprises an upper die base, a connecting shaft, an upper positioning frame, an upper blocking piece, an upper die block, an upper mounting base, a first pressing column and a second pressing column. The spring leaf riveting jig stamping and locking device is reasonable in structural design, the lower die assembly can reliably position and clamp a spring leaf riveting jig, the upper die assembly can conduct stamping and locking on the spring leaf riveting jig, a lower die block in the lower die assembly and an upper die block in the upper die assembly can achieve multi-machine-type interchange, and the machining and loading requirements of spring leaves of different specifications are met.

Description

Technical Field

[0001] The utility model relates to the technical field of potentiometer production fixtures, in particular to a modular fixture device capable of realizing the interchange of multiple models. Background Art

[0002] Conductive plastic potentiometer is an important potentiometer, mainly used for angular displacement measurement of servo motors and other equipment, and feedback of the absolute position of rotating parts such as servo motor shafts. Its basic principle is to use the brush wire on the reed assembly to contact and slide on the winding or resistor to change the resistance value between the fixed electrode and the reed assembly, thereby generating a changing voltage signal to achieve the purpose of rotation angle detection. The reed assembly inside the conductive plastic potentiometer is an important voltage detection component, which needs to have good conductivity and elasticity, so the manufacturing process of the reed assembly is required to be high.

[0003] like Fig. 9 The reed assembly shown in the figure includes a reed a and a center guide b. During the processing of the reed a, it is often necessary to Figure 2-Figure 3 The rivet spring jig shown is used for loading, and the rivet spring jig needs to be used with a matching modular clamp device when working. The traditional modular clamp device has shortcomings. First, it cannot reliably clamp the rivet spring jig. Second, it does not have the function of multiple machine types interchangeable, and cannot meet the processing and loading requirements of springs of different specifications. Therefore, it is necessary to optimize and improve the traditional modular clamp device. Utility Model Content

[0004] The purpose of the utility model is to overcome the above problems existing in the conventional technology and to provide a modular fixture device capable of realizing the interchange of multiple models.

[0005] In order to achieve the above technical objectives and the above technical effects, the present invention is implemented through the following technical solutions:

[0006] A modular fixture device capable of realizing the interchange of multiple models, comprising a lower die assembly for clamping a rivet spring jig and an upper die assembly for punching and locking the rivet spring jig;

[0007] The riveting reed fixture comprises a ring sleeve, a convex shaft, a spline, a reed positioning tube, a reed bending notch and a reinforcing block, a convex shaft with a spline is installed on the lower side of the ring sleeve, a reed positioning tube is installed on the upper side of the ring sleeve, a first positioning protrusion and a second positioning protrusion are symmetrically arranged on the upper side of the ring sleeve around the reed positioning tube, a reed bending notch is arranged on the outer side of the ring sleeve, and a reinforcing block is connected between the convex shaft and the inner side of the reed bending notch;

[0008] The lower die assembly comprises a lower die base, a lower positioning frame, a lower stopper, a lower die block, a lower mounting seat, an outer positioning column and an inner positioning tube, the lower die base is fixedly mounted with a lower positioning frame on the upper side, a detachable lower stopper is mounted on the upper side of the lower die base, the lower positioning frame and the lower stopper jointly restrict the lower die block, and the lower die block is mounted with an outer positioning column and an inner positioning tube via the lower mounting seat;

[0009] The upper mold assembly includes an upper mold base, a connecting shaft, an upper positioning frame, an upper stopper, an upper module, an upper mounting seat, a first pressure column and a second pressure column. A connecting shaft for connecting to the movable end of the lifting push rod is installed on the upper side of the upper mold base, an upper positioning frame is fixedly installed on the lower side of the upper mold base, a detachable upper stopper is installed on the lower side of the upper mold base, the upper positioning frame and the upper stopper jointly limit the upper module, and the upper module is installed with the first pressure column and the second pressure column through the upper mounting seat.

[0010] Furthermore, in the above-mentioned modular fixture device that can realize interchangeability of multiple models, the upper end surface of the outer positioning column in the lower mold assembly is lower than the upper end surface of the inner positioning tube, and the height difference between the two cooperates with the depth value of the inner cavity of the ring sleeve in the rivet spring fixture.

[0011] Furthermore, in the above-mentioned modular fixture device that can achieve interchangeability between multiple models, the inner cavity diameter value of the inner positioning tube in the lower mold assembly matches the outer diameter value of the convex shaft in the rivet spring jig, the inner positioning tube in the lower mold assembly is provided with a first notch that matches the reinforcing block in the rivet spring jig, the inner positioning tube in the lower mold assembly and the lower mounting seat are jointly provided with a second notch that is convenient for processing the spring, and the positions of the second notch and the first notch are relatively distributed.

[0012] Furthermore, in the modular fixture device capable of realizing interchangeability between multiple models, first snap-in steps are provided on both sides of the lower module in the lower mold assembly, and the lower positioning frame is a U-shaped frame, and first matching snap-in steps are provided on the inner sides of its two side plates.

[0013] Furthermore, in the above-mentioned modular fixture device that can realize interchangeability between multiple models, second clamping steps are provided on both sides of the upper module in the upper mold assembly, and the lower positioning frame is a U-shaped frame, and second matching clamping steps are provided on the inner sides of its two side plates.

[0014] Furthermore, in the above-mentioned modular clamping device that can realize interchangeability between multiple models, the first pressure column in the upper mold assembly is provided with a first positioning groove that cooperates with the first positioning protrusion in the rivet spring jig, and the second pressure column in the upper mold assembly is provided with a second positioning groove that cooperates with the second positioning protrusion in the rivet spring jig.

[0015] The beneficial effects of the utility model are:

[0016] The utility model has a reasonable structural design and is mainly composed of a lower die assembly and an upper die assembly. On the one hand, the lower die assembly can reliably position and clamp the rivet spring jig, and the upper die assembly can stamp and lock the rivet spring jig. On the other hand, the lower die block in the lower die assembly and the upper die block in the upper die assembly can realize multi-model interchangeability to meet the processing and loading requirements of springs of different specifications.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the above advantages at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a structural schematic diagram of a riveting spring fixture in the utility model at one angle;

[0021] Figure 3 It is a structural schematic diagram of another angle of the riveting spring fixture in the utility model;

[0022] Figure 4 It is a structural schematic diagram of the lower mold assembly of the utility model;

[0023] Figure 5 It is a structural schematic diagram of the lower module and its upper components in the utility model;

[0024] Figure 6 This is a structural schematic diagram of the upper die assembly of the utility model at one angle;

[0025] Figure 7 It is a structural schematic diagram of the upper die assembly in the utility model from another angle;

[0026] Figure 8 It is a structural schematic diagram of the upper module and its upper components in the utility model;

[0027] Fig. 9 It is a structural schematic diagram of the reed assembly in the background technology;

[0028] In the accompanying drawings, the components represented by the reference numerals are described as follows:

[0029] 1-riveting spring fixture, 101-ring sleeve, 102-convex shaft, 103-spline, 104-spring positioning tube, 105-first positioning protrusion, 106-second positioning protrusion, 107-spring bending notch, 108-reinforcement block, 2-lower die assembly, 201-lower die seat, 202-lower positioning frame, 203-lower stopper, 204-lower module, 205-lower mounting seat, 206-outer positioning column, 207-inner positioning tube, 208-strip mounting hole, 3-upper die assembly, 301-upper die seat, 302-connecting shaft, 303-upper positioning frame, 304-upper stopper, 305-upper module, 306-upper mounting seat, 307-first pressure column, 308-second pressure column. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] like Figure 1-Figure 8 As shown, this embodiment provides a modular fixture device that can realize the interchange of multiple models, including a lower die assembly 2 for clamping the rivet spring fixture 1 and an upper die assembly 3 for stamping and locking the rivet spring fixture 1.

[0032] In this embodiment, the riveting spring fixture 1 includes a ring sleeve 101, a convex shaft 102, a spline 103, a spring positioning tube 104, a spring bending notch 107 and a reinforcing block 108. The convex shaft 102 with the spline 103 is installed on the lower side of the ring sleeve 101, and the spring positioning tube 104 is installed on the upper side of the ring sleeve 101. The upper side of the ring sleeve 101 is symmetrically provided with a first positioning protrusion 105 and a second positioning protrusion 106 around the spring positioning tube 104. The outer side of the ring sleeve 101 is provided with a spring bending notch 107, and a reinforcing block 108 is connected between the convex shaft 102 and the inner side of the spring bending notch 107.

[0033] In this embodiment, the lower mold assembly 2 includes a lower mold base 201, a lower positioning frame 202, a lower stopper 203, a lower module 204, a lower mounting seat 205, an outer positioning column 206 and an inner positioning tube 207. The lower positioning frame 202 is fixedly mounted on the upper side of the lower mold base 201, and a detachable lower stopper 203 is mounted on the upper side of the lower mold base 201. The lower positioning frame 202 and the lower stopper 203 jointly restrict the lower module 204, and the lower module 204 is mounted with an outer positioning column 206 and an inner positioning tube 207 through the lower mounting seat 205. The lower mold base 201 is also provided with a strip-shaped mounting hole 208 for locking it with a carrier.

[0034] In this embodiment, the upper end surface of the outer positioning column 206 in the lower mold assembly 2 is lower than the upper end surface of the inner positioning tube 207, and the height difference between the two is matched with the depth value of the inner cavity of the ring sleeve 101 in the riveted spring fixture 1. The inner cavity diameter value of the inner positioning tube 207 in the lower mold assembly 2 is matched with the outer diameter value of the convex shaft 102 in the riveted spring fixture 1. The inner positioning tube 207 in the lower mold assembly 2 is provided with a first notch that matches the reinforcing block 108 in the riveted spring fixture 1. The inner positioning tube 207 in the lower mold assembly 2 and the lower mounting seat 205 are jointly provided with a second notch that is convenient for processing the spring, and the positions of the second notch and the first notch are relatively distributed. The two sides of the lower module 204 in the lower mold assembly 2 are provided with a first clamping step, and the lower positioning frame 202 is a U-shaped frame, and the inner side of its two side plates is provided with a first matching clamping step.

[0035] In this embodiment, the upper die assembly 3 includes an upper die seat 301, a connecting shaft 302, an upper positioning frame 303, an upper stopper 304, an upper die block 305, an upper mounting seat 306, a first pressing column 307 and a second pressing column 308. The upper die seat 301 is provided with a connecting shaft 302 for connecting with the movable end of the lifting push rod, the lower side of the upper die seat 301 is fixedly provided with an upper positioning frame 303, the lower side of the upper die seat 301 is provided with a detachable upper stopper 304, the upper positioning frame 303 and the upper stopper 304 jointly restrict the upper die block 305, and the upper die block 305 is provided with a first pressing column 307 and a second pressing column 308 through the upper mounting seat 306. The upper mounting seat 306 can be provided with bending punches of different lengths for stamping and bending the spring leaf according to the bending requirements of the spring leaf.

[0036] In this embodiment, the upper mold block 305 in the upper mold assembly 3 is provided with a second clamping step on both sides, and the lower positioning frame 303 is a U-shaped frame, and the inner sides of the two side plates thereof are provided with a second matching clamping step. The first pressing column 307 in the upper mold assembly 3 is provided with a first positioning groove that matches the first positioning protrusion 105 in the riveting spring fixture 1, and the second pressing column 308 in the upper mold assembly 3 is provided with a second positioning groove that matches the second positioning protrusion 106 in the riveting spring fixture 1.

[0037] A specific application of this embodiment is: this device is mainly composed of a lower mold assembly 2 and an upper mold assembly 3. On the one hand, the lower mold assembly 2 can reliably position and clamp the rivet spring fixture 1, and the upper mold assembly 3 can punch and lock the rivet spring fixture 1. On the other hand, the lower mold module 204 in the lower mold assembly 2 and the upper mold module 305 in the upper mold assembly 3 can realize multi-model interchangeability to meet the processing and loading requirements of springs of different specifications.

[0038] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A modular fixture device capable of realizing the interchange of multiple models, characterized in that: It includes a lower die assembly for clamping the rivet spring jig and an upper die assembly for punching and locking the rivet spring jig; The riveting reed fixture comprises a ring sleeve, a convex shaft, a spline, a reed positioning tube, a reed bending notch and a reinforcing block, a convex shaft with a spline is installed on the lower side of the ring sleeve, a reed positioning tube is installed on the upper side of the ring sleeve, a first positioning protrusion and a second positioning protrusion are symmetrically arranged on the upper side of the ring sleeve around the reed positioning tube, a reed bending notch is arranged on the outer side of the ring sleeve, and a reinforcing block is connected between the convex shaft and the inner side of the reed bending notch; The lower die assembly comprises a lower die base, a lower positioning frame, a lower stopper, a lower die block, a lower mounting seat, an outer positioning column and an inner positioning tube, the lower die base is fixedly mounted with a lower positioning frame on the upper side, a detachable lower stopper is mounted on the upper side of the lower die base, the lower positioning frame and the lower stopper jointly restrict the lower die block, and the lower die block is mounted with an outer positioning column and an inner positioning tube via the lower mounting seat; The upper mold assembly includes an upper mold base, a connecting shaft, an upper positioning frame, an upper stopper, an upper module, an upper mounting seat, a first pressure column and a second pressure column. A connecting shaft for connecting to the movable end of the lifting push rod is installed on the upper side of the upper mold base, an upper positioning frame is fixedly installed on the lower side of the upper mold base, a detachable upper stopper is installed on the lower side of the upper mold base, the upper positioning frame and the upper stopper jointly limit the upper module, and the upper module is installed with the first pressure column and the second pressure column through the upper mounting seat.

2. The modular fixture device capable of realizing multiple machine model interchangeability according to claim 1, characterized in that: The upper end surface of the outer positioning column in the lower mold assembly is lower than the upper end surface of the inner positioning tube, and the height difference between the two cooperates with the depth value of the inner cavity of the ring sleeve in the riveting spring fixture.

3. The modular fixture device capable of realizing multiple machine model interchangeability according to claim 2, characterized in that: The inner cavity diameter value of the inner positioning tube in the lower mold assembly matches the outer diameter value of the convex shaft in the rivet spring jig, and the inner positioning tube in the lower mold assembly is provided with a first notch that matches the reinforcing block in the rivet spring jig. The inner positioning tube in the lower mold assembly and the lower mounting seat are jointly provided with a second notch that is convenient for processing the spring, and the positions of the second notch and the first notch are relatively distributed.

4. The modular fixture device capable of realizing multiple machine model interchangeability according to claim 3, characterized in that: The lower mold section in the lower mold assembly is provided with first clamping steps on both sides, the lower positioning frame is a U-shaped frame, and the inner sides of the two side plates thereof are provided with first matching clamping steps.

5. The modular fixture device capable of realizing multiple machine model interchangeability according to claim 4, characterized in that: The upper die block in the upper die assembly is provided with second clamping steps on both sides, and the lower positioning frame is a U-shaped frame, and the inner sides of the two side plates thereof are provided with second matching clamping steps.

6. The modular fixture device capable of realizing multiple machine model interchangeability according to claim 5, characterized in that: The first pressing column in the upper die assembly is provided with a first positioning groove that cooperates with the first positioning protrusion in the rivet spring fixture, and the second pressing column in the upper die assembly is provided with a second positioning groove that cooperates with the second positioning protrusion in the rivet spring fixture.

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