Automatic processing device for circuit breaker contact copper bar

Abstract

The utility model relates to the technical field of circuit breaker production, in particular to an automatic processing device for a circuit breaker contact copper bar, which is reasonable in structural design, all parts are coordinated and matched, a turntable is used for receiving the contact copper bar released by a feeding pipe, and a servo motor is used for driving the turntable to rotate. When the contact copper bar rotates to a stamping station above the pressure-bearing seat along with the rotating disc, the contact copper bar is pressed by the pre-pressing assembly firstly, then the first stamping push rod and the second stamping push rod are started to conduct punching machining on the contact copper bar, and a stamping block obtained through punching machining falls into the pressure-bearing seat and is transferred outwards through the stamping block transfer conveying belt. In this way, automatic batch punching machining of the contact copper bars is achieved, the machining efficiency is improved, meanwhile, the contact copper bars can be pre-pressed in the punching process, and the situation that the contact copper bars are prone to being scrapped due to jumping is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit breaker production technical field especially relates to a kind of automatic processing device of circuit breaker contact copper bar. BACKGROUND

[0002] The role of circuit breaker contact copper bar mainly reflects the following aspects: 1) improve current carrying capacity: copper bar has excellent electrical conductivity, can carry larger current, ensure the stable operation of power system. In circuit breaker contact, copper bar can effectively improve the current carrying capacity of contact, avoid the damage or failure of equipment caused by excessive current. 2) disperse heat: circuit breaker generates certain heat when running, and copper bar has good thermal conductivity, which can help disperse heat and reduce the temperature of contact, thereby improving the service life of circuit breaker. 3) improve safety: by using copper bar as contact material, the connection point of circuit breaker can be increased, and the problem of poor contact can be reduced, so as to improve the safety of power system. In addition, the electrical conductivity of copper bar is stable, and it is not easy to cause electrical fire and other safety hazards. 4) adapt to various application scenarios: copper bar is suitable for high and low voltage electrical appliances, switch contacts, power distribution equipment and other electrical engineering, and is also widely used in metal smelting, electrochemical plating, chemical caustic soda and other super large current electrolytic smelting engineering. Therefore, the use of copper bar in circuit breaker contact can adapt to various application scenarios and electrical requirements.

[0003] In order to reduce resistance and improve conductivity, the company designs a circuit breaker contact assembly which can be directly fastened with busbar, as shown in Figures 2-4 The contact assembly mainly consists of contact copper bar 11, mounting bracket 12, retaining frame 13 and comb plate 14, and the contact copper bar 11 is provided with stepped groove for easy installation of comb plate, heat dissipation hole 113 for easy heat dissipation and mounting hole 114 for easy assembly with mounting bracket by fastener.

[0004] The processing device of traditional circuit breaker contact copper bar has low processing efficiency, cannot realize automatic batch punching processing, and cannot pre-press the contact copper bar during stamping process, which leads to the emergence of scrap caused by jumping of contact copper bar. Therefore, it is necessary to optimize and improve the processing device of traditional circuit breaker contact copper bar. INVENTION CONTENTS

[0005] The utility model aims at overcoming the above problems existing in traditional technology, and provides an automatic processing device for circuit breaker contact copper bar.

[0006] In order to realize the above technical purpose and achieve the above technical effect, the utility model is realized by the following technical scheme:

[0007] An automatic processing device for circuit breaker contact copper bars includes a rectangular frame, a servo motor, a rotating disc, a feeding pipe, a feeding push rod, a pressure bearing seat, a punch block transfer belt, a first punching push rod, a second punching push rod and a pre-pressing assembly.

[0008] A servo motor and a pressure bearing seat are fixed to the inner side of the bottom plate of the rectangular frame, and the output end of the servo motor is provided with a rotating disc.

[0009] The rotating disc is provided with a plurality of positioning grooves in the circumferential direction, the bottom surface of each positioning groove of the rotating disc is provided with a first punching avoiding hole, and the inner circumferential area of each positioning groove is provided with a second punching avoiding hole.

[0010] The top plate of the rectangular frame is provided with a feeding pipe, a first punching push rod and a second punching push rod, and the side of the feeding pipe is provided with two feeding push rods in parallel.

[0011] The inner part of the pressure bearing seat is provided with a blanking cavity, the top end of the pressure bearing seat is provided with a first blanking hole located directly below the first punching push rod and a second blanking hole located directly below the second punching push rod, and the bottom of the blanking cavity is provided with a punch block transfer belt.

[0012] The rectangular frame is provided with a pre-pressing assembly for pre-pressing the contact copper bar before punching.

[0013] Further, in the automatic processing device for circuit breaker contact copper bars, the contact copper bar to be processed is composed of a first block and a second block, a stepped groove is formed between the first block and the second block, the first block serves as a processing part of the heat dissipation through hole, and the second block serves as a processing part of the mounting through hole.

[0014] Further, in the automatic processing device for circuit breaker contact copper bars, the inner part of the feeding pipe is provided with a rectangular slide way matched with the specification of the contact copper bar, the movable rod of the feeding push rod can extend into the stepped groove of the contact copper bar, thereby abutting against the contact copper bar above, and the spacing value between the two feeding push rods is equal to the maximum thickness value of the contact copper bar.

[0015] Further, in the automatic processing device for circuit breaker contact copper bars, the movable end of the first punching push rod is provided with a first punch matched with the specification of the heat dissipation through hole, and the movable end of the second punching push rod is provided with a second punch matched with the specification of the mounting through hole.

[0016] Further, in the automatic processing device for circuit breaker contact copper bars, the shape of the positioning groove in the rotating disc is matched with the shape of the first block, the shape of the first punching avoiding hole is matched with the shape of the heat dissipation through hole, and the shape of the second punching avoiding hole is matched with the shape of the mounting through hole.

[0017] Further, the automatic processing device of the circuit breaker contact copper bar, the pre-pressing assembly comprises a lead screw motor, a lead screw, a movable plate, a sliding head, a first compression spring, a first pre-pressing sleeve, a second compression spring and a second pre-pressing sleeve, the lead screw motor is installed on the top plate of the rectangular frame, the output end of the lead screw motor is connected with the lead screw, the outer side of the lead screw is sleeved with the movable plate, one end of the movable plate is installed with the sliding head, the lower side of the movable plate is connected with the first pre-pressing sleeve through the first compression spring, and the lower side of the movable plate is connected with the second pre-pressing sleeve through the second compression spring.

[0018] Further, the automatic processing device of the circuit breaker contact copper bar, the lead screw motor is a forward and reverse motor, and the side plate of the rectangular frame is provided with a vertical sliding groove matched with the sliding head.

[0019] Further, the automatic processing device of the circuit breaker contact copper bar, the movable plate is provided with a first upper through hole for facilitating the first stamping push rod to pass through, the top plate of the first pre-pressing sleeve is provided with a first lower through hole for facilitating the first stamping push rod to pass through, and the first compression spring is sleeved outside the movable rod in the first stamping push rod; the movable plate is provided with a second upper through hole for facilitating the second stamping push rod to pass through, the top plate of the second pre-pressing sleeve is provided with a second lower through hole for facilitating the second stamping push rod to pass through, and the second compression spring is sleeved outside the movable rod in the second stamping push rod.

[0020] The beneficial effects of the utility model are:

[0021] The utility model discloses a structure design is reasonable, it is mainly by rectangular frame, servo motor, carousel, feeding pipe, discharging push rod, pressure bearing seat, punch block transfer conveying belt, first stamping push rod, second stamping push rod and pre-pressing assembly constitute, and each part cooperates, utilizes the carousel to receive the contact copper bar released by feeding pipe, utilizes servo motor to drive carousel rotation, when contact copper bar rotates to the stamping station above pressure bearing seat with carousel, first stamping push rod, second stamping push rod are started respectively to carry out the punching processing to contact copper bar, and the punch block obtained in punching processing falls into pressure bearing seat and utilizes punch block transfer conveying belt to transfer outward, realize the automatic batch punching processing of contact copper bar by this mode, improve processing efficiency, can pre-press contact copper bar in the stamping process simultaneously, avoid the emergence of the scrap situation that contact copper bar is easy to jump.

[0022] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages above at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0024] Figure 1 is the schematic diagram of the whole use state of the present application;

[0025] Figure 2 is the structural schematic diagram of the contact assembly in the background art;

[0026] Figure 3 is the structural schematic diagram of the contact copper bar in the present application;

[0027] Figure 4 is the front view schematic diagram of the contact copper bar in the present application;

[0028] Figure 5 is the structural schematic diagram of the rotating disc in the present application;

[0029] Figure 6 is the structural schematic diagram of the feeding pipe in the present application;

[0030] Figure 7 is the structural schematic diagram of the pressure bearing seat in the present application;

[0031] Figure 8 is the structural schematic diagram of the pre-pressing assembly in the present application;

[0032] In the drawings, the components represented by each number are explained as follows:

[0033] 1-rectangular frame, 2-servo motor, 3-rotating disc, 301-positioning groove, 302-first stamping avoiding hole, 303-second stamping avoiding hole, 4-feeding pipe, 5-feeding pushing rod, 6-pressure bearing seat, 601-feeding cavity, 602-first feeding hole, 603-second feeding hole, 7-punch block transfer conveying belt, 8-first stamping pushing rod, 9-second stamping pushing rod, 10-pre-pressing assembly, 101-screw rod motor, 102-screw rod, 103-moving plate, 104-sliding head, 105-first compression spring, 106-first pre-pressing sleeve, 107-second compression spring, 108-second pre-pressing sleeve, 11-contact copper bar, 111-first block part, 112-second block part, 113-radiating through hole, 114-mounting through hole, 12-mounting frame, 13-retaining frame, 14-comb plate. DETAILED DESCRIPTION

[0034] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0035] As shown in Figures 1-8 The embodiment provides an automatic processing device for a circuit breaker contact copper bar, which comprises a rectangular frame 1, a servo motor 2, a rotating disc 3, a feeding pipe 4, a discharging push rod 5, a pressure bearing seat 6, a punch block transfer conveying belt 7, a first punching push rod 8, a second punching push rod 9 and a pre-pressing assembly 10. The servo motor 2 and the pressure bearing seat 6 are fixed to the inner side of the bottom plate of the rectangular frame 1, and the output end of the servo motor 2 is provided with the rotating disc 3. The feeding pipe 4, the first punching push rod 8 and the second punching push rod 9 are installed on the top plate of the rectangular frame 1, and two discharging push rods 5 are installed side by side on the side of the feeding pipe 4. The pre-pressing assembly 10 for pre-pressing the contact copper bar 11 before punching is installed on the rectangular frame 1.

[0036] In the embodiment, the contact copper bar 11 to be processed is composed of a first block part 111 and a second block part 112, a stepped groove is formed between the first block part 111 and the second block part 112, the first block part 111 serves as a processing part of a heat dissipation through hole 113, and the second block part 112 serves as a processing part of a mounting through hole 114.

[0037] In the embodiment, the rotating disc 3 is provided with a plurality of positioning grooves 301 in the circumferential direction, the rotating disc 3 is provided with a first punching avoiding hole 302 on the bottom surface of each positioning groove 301, and the positioning groove 301 is provided with a second punching avoiding hole 303 in the inner circumferential area of each positioning groove 301.

[0038] In the embodiment, the inside of the pressure bearing seat 6 is provided with a blanking cavity 601, the top end of the pressure bearing seat 6 is provided with a first blanking hole 602 located directly below the first punching push rod 8 and a second blanking hole 603 located directly below the second punching push rod 9. The bottom of the blanking cavity 601 is provided with the punch block transfer conveying belt 7.

[0039] In the embodiment, the inside of the feeding pipe 4 is provided with a rectangular slide matched with the specification of the contact copper bar 11, the movable rod of the discharging push rod 5 can extend into the stepped groove of the contact copper bar 11, thereby abutting against the contact copper bar 11 above, the spacing value between the two discharging push rods 5 is equal to the maximum thickness value of the contact copper bar 11. When the releasing operation is needed, the movable rod of the lower discharging push rod 5 is first retracted to release a contact copper bar 11, and then the movable rod of the lower discharging push rod 5 is extended, and the movable rod of the upper discharging push rod 5 is first retracted and then extended, so that the feeding is realized.

[0040] In the embodiment, the movable end of the first stamping push rod 8 is provided with a first punch matched with the heat dissipation through hole 113, and the movable end of the second stamping push rod 9 is provided with a second punch matched with the mounting through hole 114.

[0041] In the embodiment, the shape of the positioning groove 301 in the rotating disc 3 is matched with the shape of the first block 111, the shape of the first stamping avoiding hole 302 is matched with the shape of the heat dissipation through hole 113, and the shape of the second stamping avoiding hole 303 is matched with the shape of the mounting through hole 114.

[0042] In the embodiment, the pre-pressing assembly 10 includes a lead screw motor 101, a lead screw 102, a movable plate 103, a sliding head 104, a first compression spring 105, a first pre-pressing sleeve 106, a second compression spring 107, and a second pre-pressing sleeve 108. The lead screw motor 101 is installed on the top plate of the rectangular frame 1, the output end of the lead screw motor 101 is connected with the lead screw 102, the outside of the lead screw 102 is sleeved with the movable plate 103, and one end of the movable plate 103 is installed with the sliding head 104. The lower side of the movable plate 103 is connected with the first pre-pressing sleeve 106 through the first compression spring 105, and the lower side of the movable plate 103 is connected with the second pre-pressing sleeve 108 through the second compression spring 107.

[0043] In the embodiment, the lead screw motor 101 is a forward and reverse motor, and the side plate of the rectangular frame 1 is provided with a vertical sliding groove matched with the sliding head 104.

[0044] In the embodiment, the movable plate 103 is provided with a first upper through hole for the movable rod of the first stamping push rod 8 to pass through, the top plate of the first pre-pressing sleeve 106 is provided with a first lower through hole for the movable rod of the first stamping push rod 8 to pass through, and the first compression spring 105 is sleeved outside the movable rod of the first stamping push rod 8. The movable plate 103 is provided with a second upper through hole for the movable rod of the second stamping push rod 9 to pass through, the top plate of the second pre-pressing sleeve 108 is provided with a second lower through hole for the movable rod of the second stamping push rod 9 to pass through, and the second compression spring 107 is sleeved outside the movable rod of the second stamping push rod 9.

[0045] A specific application of the embodiment is: the device is mainly composed of a rectangular frame 1, a servo motor 2, a rotating disc 3, a feeding pipe 4, a discharging push rod 5, a pressure bearing seat 6, a punch block transfer belt 7, a first punching push rod 8, a second punching push rod 9 and a pre-pressing assembly 10, and each component cooperates with each other, the rotating disc 3 is used to receive the contact copper bar 11 released by the feeding pipe 4, the servo motor 2 is used to drive the rotating disc 3 to rotate, when the contact copper bar 11 rotates with the rotating disc 3 to the punching station above the pressure bearing seat 6, the pre-pressing assembly 10 is used to press the contact copper bar 11, then the first punching push rod 8 and the second punching push rod 9 are started respectively to punch the contact copper bar 11, the punch block obtained by punching is dropped into the pressure bearing seat 6 and is transferred outward by the punch block transfer belt 7, in this way, the automatic batch punching of the contact copper bar 11 is realized, the processing efficiency is improved, and the contact copper bar 11 can be pre-pressed during the punching process, so that the scrap situation caused by the jumping of the contact copper bar 11 is avoided.

[0046] The preferred embodiments disclosed above are only used to help explain 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 specification, many modifications and changes can be made. The specification 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. An automated processing apparatus for circuit breaker contact copper bars, characterized by, Including rectangular frame, servo motor, rotating disc, feeding pipe, discharging push rod, pressure bearing seat, punch transfer belt, first punch push rod, second punch push rod and pre-pressing assembly; The bottom plate of the rectangular frame is fixed with a servo motor and a pressure bearing seat, and the output end of the servo motor is installed with a rotating disc; The rotating disc is provided with a plurality of positioning grooves in the circumferential direction, the bottom surface of each positioning groove of the rotating disc is provided with a first punch avoiding hole, and the inner circumferential area of each positioning groove is provided with a second punch avoiding hole; The top plate of the rectangular frame is installed with a feeding pipe, a first punch push rod and a second punch push rod, and the side of the feeding pipe is installed with two discharging push rods in parallel; The inside of the pressure bearing seat is provided with a blanking cavity, the top end of the pressure bearing seat is provided with a first blanking hole located directly below the first punch push rod and a second blanking hole located directly below the second punch push rod, and the bottom of the blanking cavity is installed with a punch transfer belt; The rectangular frame is installed with a pre-pressing assembly for pre-pressing the contact copper bar before punching.

2. The automated processing apparatus for circuit breaker contact copper bars of claim 1, wherein, The contact copper bar to be processed is composed of a first block and a second block, a stepped groove is formed between the first block and the second block, the first block serves as a processing part of the heat dissipation through hole, and the second block serves as a processing part of the mounting through hole.

3. The automated processing apparatus for circuit breaker contact copper bars of claim 2, wherein, The inside of the feeding pipe is provided with a rectangular slide matched with the specification of the contact copper bar, the movable rod of the discharging push rod can extend into the stepped groove of the contact copper bar, thereby abutting against the contact copper bar above, and the spacing value between the two discharging push rods is equal to the maximum thickness value of the contact copper bar.

4. The automated processing apparatus for circuit breaker contact copper bars of claim 3, wherein, The movable end of the first punch push rod is provided with a first punch matched with the specification of the heat dissipation through hole, and the movable end of the second punch push rod is provided with a second punch matched with the specification of the mounting through hole.

5. The automated processing apparatus for circuit breaker contact copper bars of claim 4, wherein, The shape of the positioning groove in the rotating disc is matched with the shape of the first block, the shape of the first punch avoiding hole is matched with the shape of the heat dissipation through hole, and the shape of the second punch avoiding hole is matched with the shape of the mounting through hole.

6. The automated processing apparatus for circuit breaker contact copper bars of claim 5, wherein, The pre-pressing assembly comprises a lead screw motor, a lead screw, a movable plate, a sliding head, a first compression spring, a first pre-pressing sleeve, a second compression spring and a second pre-pressing sleeve, the lead screw motor is installed on the top plate of the rectangular frame, the output end of the lead screw motor is connected with the lead screw, the outside of the lead screw is sleeved with the movable plate, one end of the movable plate is installed with the sliding head, the lower side of the movable plate is connected with the first pre-pressing sleeve through the first compression spring, and the lower side of the movable plate is connected with the second pre-pressing sleeve through the second compression spring.

7. The automated processing apparatus for circuit breaker contact copper bars of claim 6, wherein, The lead screw motor is a forward and reverse motor, and the side plate of the rectangular frame is provided with a vertical sliding groove matched with the sliding head.

8. The automated processing apparatus for circuit breaker contact copper bars of claim 7, wherein, The movable plate is provided with a first upper through hole for facilitating the movable rod in the first stamping push rod to pass through, the top plate of the first pre-pressing sleeve is provided with a first lower through hole for facilitating the movable rod in the first stamping push rod to pass through, and the first compression spring is sleeved outside the movable rod in the first stamping push rod; the movable plate is provided with a second upper through hole for facilitating the movable rod in the second stamping push rod to pass through, the top plate of the second pre-pressing sleeve is provided with a second lower through hole for facilitating the movable rod in the second stamping push rod to pass through, and the second compression spring is sleeved outside the movable rod in the second stamping push rod.

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