CN219465431U

CN219465431U - Terminal box adds clamping apparatus

Info

Publication number: CN219465431U
Application number: CN202222598793.4U
Authority: CN
Inventors: 李骞
Original assignee: Siemens Motor China Co ltd
Current assignee: Siemens Motor China Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-08-04
Anticipated expiration: 2032-09-29

Abstract

The terminal box machining clamp comprises a base, a fixing assembly and a positioning assembly, wherein the fixing assembly comprises a switching block, a fastener and a U-shaped pressing plate, the switching block can be movably arranged below the base up and down, and the fastener is arranged to penetrate through a fastener mounting hole arranged on the base to be connected with the switching piece; the U-shaped pressing plate is provided with a first opening which is suitable for the size of the fastening piece; the positioning assembly comprises a first positioning column and a second positioning column, wherein the first positioning column and the second positioning column are arranged on the base in the same horizontal direction and are arranged to correspond to two front walls of the front end face of the junction box respectively. Based on the processing anchor clamps of this structure, only need through once clamping, use single equipment can accomplish the processing to each machined surface of terminal box, processing hole, avoided the loaded down with trivial details of switching, manual clamping between the equipment.

Description

Terminal box adds clamping apparatus

Technical Field

The utility model relates to the field of mechanical production, in particular to a junction box machining clamp.

Background

Currently, when a motor junction box is processed, the process is generally completed in two devices in sequence, and the process is as follows:

1) The worker installs the junction box on a general car four-jaw chuck, a rotary rod pre-locks the chuck, the plane of the junction box is knocked flat to be close to the chuck surface, then the chuck is locked, a tool apron is moved to adjust an alignment end surface, machining allowance is adjusted, and the front end surface is machined;

2) The worker removes the junction box, turns around and then installs the junction box on a general car four-jaw chuck, the finish machining end face is flattened, a rotary rod locks the chuck, a caliper measures the thickness dimension of the junction box, a tool apron is moved to adjust the machining allowance, and the end face of the rear end is machined;

3) The worker uses a front end face hole drilling die to position, and manually operates the rocker arm drill to process a front end face threaded hole;

4) And the worker uses the rear end face hole drilling die to position, and manually operates the rocker arm drill to process the rear end face threaded hole and the grounding hole.

Therefore, the mode needs multiple clamping of multiple devices, is complex in procedure and operation, and therefore low in efficiency and labor-wasting are caused.

Disclosure of Invention

In view of the above, the present utility model provides a terminal box machining fixture to solve the above problems.

According to one embodiment of the present utility model, a terminal box machining jig includes:

a base;

the fixing assembly comprises a switching block, a fastener and a U-shaped pressing plate, wherein the switching block can be movably arranged below the base up and down, and the fastener is arranged to penetrate through a fastener mounting hole arranged on the base to be connected with the switching block; the U-shaped pressing plate is provided with a first opening which is suitable for the size of the fastening piece;

the positioning assembly comprises a first positioning column and a second positioning column, wherein the first positioning column and the second positioning column are arranged on the base in the same horizontal direction and are arranged to correspond to two front walls of the front end face of the junction box respectively.

Further, the terminal box comprises a side pushing seat, wherein the side pushing seat comprises a first side pushing seat and a second side pushing seat, the first side pushing seat and the second side pushing seat are arranged at positions, corresponding to two side walls of the terminal box, on the base, and the first side pushing seat and the second side pushing seat are arranged to clamp the side walls of the terminal box.

Further, still include bottom adjusting part, bottom adjusting part includes wedge and regulating block, the wedge set up in correspond on the base the position of rear end bottom of terminal box, the regulating block set up in the base rear end, and be set up to right the wedge is adjusted back and forth.

Further, the adapter is arranged to be connected with an external hydraulic device to move up and down under the drive of the external hydraulic device.

Further, the base is provided with a plurality of fastener mounting holes which are suitable for the junction boxes of different types, and the processing clamp comprises a plurality of adapter blocks which are suitable for the junction boxes of different types.

Further, the first positioning column and the second positioning column are arranged in a cylindrical shape and respectively have two opposite vertical planes.

Further, the base is provided with positioning column mounting holes which are suitable for different types of junction boxes and used for mounting the first positioning columns and the second positioning columns.

Further, the second side pushing seat comprises a pushing head capable of horizontally moving, and/or the first side pushing seat is arranged in a cylinder shape.

Further, the pushing head comprises a first end plate which is vertically arranged and can horizontally move, and floating nail claws are arranged on the first end plate up and down.

Further, the number of the floating nails is 2.

According to the technical scheme, the terminal box machining clamp is provided with the fixing component for fixing the terminal box and the positioning component for carrying out plane positioning and angular positioning on the terminal box, so that machining of all machining surfaces and machining holes of the terminal box can be finished by only one-time clamping and using a single device, and the complicated sequence switching among the devices and manual clamping are avoided;

meanwhile, the processing clamp provided by the embodiment of the utility model is also provided with the bottom adjusting component for adjusting the bottom of the junction box up and down, so that the processing clamp is suitable for processing blanks with uneven quality; and the side pushing seat used for clamping the junction box left and right meets the clamping requirement when processing the rigid workpiece, and is also applicable to junction boxes of different models, and has strong compatibility and wide application range.

Drawings

The above and other features and advantages of the present utility model will become more apparent to those of ordinary skill in the art by describing in detail preferred embodiments thereof with reference to the attached drawings in which:

FIG. 1 is a schematic view of a construction of a terminal block machining fixture according to one embodiment of the present utility model;

FIG. 2 is a schematic view of a construction of a terminal block machining jig according to another embodiment of the present utility model;

FIG. 3 is a schematic view of a construction of a terminal block machining jig according to still another embodiment of the present utility model;

wherein, the reference numerals are as follows:

10 base 15 fastener mounting hole 21 and adapter block 23 fastener

25U-shaped pressing plate 35 positioning column mounting hole 31 first positioning column 33 second positioning column

41 first side push seat 43 second side push seat 51 wedge block 53 adjusting block

100 terminal box 432 floating nail claw

Detailed Description

The present utility model will be further described in detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present utility model more apparent.

The terminal box 100 to which the processing jig of the present utility model is applied is rectangular in shape, and a terminal box mounting hole for mounting the terminal box to an external device such as a motor is provided on the bottom end face; the main processing part of the junction box is provided with a front end face, a front end face threaded hole, a rear end face threaded hole and a rear end face grounding hole, and the processing part is arranged on the front face and the back face. It should be noted that, the present utility model adopts the junction box as the processing object, and if other workpieces have similar rectangular structures, the processing requirements of multiple surfaces or multiple holes are also met, and the technical scheme of the present utility model can achieve the same effect and should be regarded as the scope of the present utility model.

as shown in fig. 1, the junction box 100 comprises a base 10, a fixing assembly and a positioning assembly, wherein the fixing assembly comprises a switching block 21, a fastening piece 23 and a U-shaped pressing plate 25, the switching block 21 can be movably arranged below the base 10 up and down, and the fastening piece 23 passes through a fastening piece 23 mounting hole 15 arranged on the base 10 to be connected with the switching block; the U-shaped pressure plate 25 has a first opening adapted to the size of the fastener 23. The positioning assembly includes a first positioning column 31 and a second positioning column 33, and the first positioning column 31 and the second positioning column 33 are arranged on the base 10 in the same horizontal direction at positions corresponding to two front walls of the front end face of the junction box 100, respectively.

Specifically, the fixture of the present embodiment includes a metal base 10, the base 10 is mounted on a machine tool workbench by a fastener 23 such as a bolt, the base 10 is provided with a fastener 23 mounting hole 15, and the distance between the fastener 23 mounting holes 15 corresponds to the distance between the mounting holes of the junction box 100;

a transfer block 21 is provided in advance, and the transfer block 21 is, for example, a rectangular parallelepiped metal block, and is provided with a plurality of openings including openings for connection with a lifting joint and openings for connection with fasteners 23. The adapter block 21 is arranged below the base 10 and is connected with the lifting joint through external connecting pieces such as bolts; the lifting joint is, for example, an output rod of a lifting device provided for the table.

A fastener 23 which is fixed to the adapter block 21 below the base 10 by, for example, screwing in through a fastener 23 mounting hole 15 provided in the base 10; the U-shaped bottom plate is made of metal, when the junction box 100 is not installed, the fastening piece 23 penetrates into the installation hole of the base 10 to be connected with the adapter block 21, when the junction box 100 is installed, the installation hole of the junction box 100 penetrates through the fastening piece 23 at the upper part of the base 10, and then the first opening of the U-shaped bottom plate is clamped to the periphery of the fastening piece 23, so that quick installation is realized, and the complexity of disassembling the fastening piece 23 each time is reduced; when two fasteners 23 are used, a pair of U-shaped bottom plates are used, and when installed, the respective first openings are disposed opposite each other.

Finally, the lifting device operates to drive the fastener 23 downward to press the junction box 100. Preferably, the fastener 23 is a tension bolt.

Based on the above embodiments, in one implementation, the adapter is configured to connect with an external hydraulic device to move up and down under the drive of the external hydraulic device.

Based on the above embodiment, in still another implementation, the base 10 is provided with a plurality of fastener 23 mounting holes 15 adapted to different types of terminal blocks 100, and the machining fixture includes a plurality of adapter blocks 21 adapted to different types of terminal blocks 100. Therefore, the processing clamp provided by the utility model has a wider application range.

The positioning assembly is used for planar positioning and angular positioning of the junction box 100. In one implementation, the first and second positioning posts 31, 33 are provided in the shape of a cylinder, and the cylinder is provided with two opposing vertical planes. The first positioning column 31 and the second positioning column 33 are, for example, metal cylinders, and are fixed on the base 10 by screws; when the junction box 100 is placed on the base 10, cylindrical surfaces of the first positioning column 31 and the second positioning column 33 are used for positioning, and after the junction box 100 is clamped and fixed, the first positioning column 31 and the second positioning column 33 are rotated by 90 degrees and detached, so that the front end face of the junction box 100 can be machined.

as shown in fig. 2, the terminal box further includes a side pushing seat, which includes a first side pushing seat 41 and a second side pushing seat 43, the first side pushing seat 41 and the second side pushing seat 43 being disposed on the base 10 at positions corresponding to both side walls of the terminal box 100, the first side pushing seat 41 and the second side pushing seat 43 being disposed to clamp the side walls of the terminal box 100. Since the junction box 100 has a certain size and has strong processing rigidity, the junction box 100 is fixed from both sides of the junction box 100 by providing the first side pushing seat 41 and the second side pushing seat 43, so that the processing is more stable.

Based on the above embodiments, in one implementation, the second side pushing seat 43 includes a pushing head that can move horizontally, and/or the first side pushing seat 41 is configured as a cylinder structure. In this way, one side wall of the junction box 100 is fixed by the first side pushing seat 41, and the other side wall of the junction box 100 is clamped by the movable pushing head of the second side pushing seat 43, so that the clamping distance can be adjusted, and the space requirements of feeding and considering different product models can be met. The first side pushing seat 41 of the cylindrical structure has better linear contact, can better meet the characteristic of the side wall inclined plane of the junction box 100, and has strong universality and high flexibility.

In another implementation, the pusher includes a first end plate that is vertically disposed and horizontally movable, and floating claws 432 are disposed above and below the first end plate.

Specifically, the second side pushing seat 43 is fixedly installed on the base 10, a protruding block is disposed on an upper end surface of the second side pushing seat, a rotatable member is disposed at a side end of the protruding block opposite to the junction box 100, the rotatable member horizontally penetrates through the protruding block and is connected to the first end plate at an end portion of the rotatable member, when the rotatable member is screwed, the first end plate is driven to move right, and when the rotatable member is unscrewed, the first end plate is driven to move left. The first end plate is provided with the floating nail claw 432, the floating nail claw 432 can flexibly rotate to be more suitable for the inclination of the surface of the junction box 100, and the surface is provided with a certain holding power, so that the junction box 100 can be better fixed. The floating nail 432 is a work piece well known to those skilled in the art and will not be described in detail herein.

Based on the above embodiment, in one implementation, there are 2 floating fingers 432. Thus, the fixing effect is better, and the force application is more balanced.

the machining jig shown in fig. 3 further includes a bottom adjusting assembly for adjusting the bottom of the rear end face of the junction box 100 up and down. The bottom adjusting assembly includes a wedge block 51 provided on the base 10 corresponding to the rear end surface of the junction box 100 and an adjusting block 53 provided at the rear end of the base 10 and configured to adjust the wedge block 51 back and forth.

Because the end surfaces on two sides of the junction box 100 need to be respectively flatly attached to the first positioning column 31 and the second positioning column 33, if the quality of individual blanks is poor, when the gap between the end surfaces and the contact surfaces of the first positioning column 31 or the second positioning column 33 is large, the junction box 100 is inclined, the bottom end surface angle needs to be adjusted, otherwise, the end surface cannot be turned. By arranging the wedge-shaped block 51 and the adjusting block 53, the wedge-shaped block 53 pushes the wedge-shaped block to quickly adjust the height of the end face of the bottom, so that the processing quality is improved.

In one implementation, the adjusting block 53 is a metal block, a horizontal threaded hole is provided in the adjusting block, and a bolt is threaded, so that the function of adjusting the wedge block 51 back and forth can be achieved by tightening or loosening the bolt. The adjusting block 53 may have other structures, as long as it can be adjusted back and forth with respect to the wedge block 51, and a simple and easy-to-operate structure can be selected by those skilled in the art according to circumstances, and is not strictly limited herein.

As can be seen, the terminal box 100 machining fixture according to the embodiment of the present utility model has the following advantages:

1) The machining of each machining surface and machining holes of the junction box can be finished by only one-time clamping and using a single device, so that the complicated sequence switching and manual clamping between the devices are avoided;

2) The fixing component is arranged, and the fastening piece is not required to be detached by manual operation every time, so that the feeding of the junction box is quicker and more convenient;

3) The clamping effect is more stable through the mode of jointly fixing the upper and lower directions and the two side directions, and the machining requirement of the rough blank with uneven quality is met through the arrangement of the bottom adjusting component;

4) The method is suitable for junction boxes of different models, and has strong compatibility and wide application range.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. Terminal box adds clamping apparatus, its characterized in that includes:

a base (10);

the fixing assembly comprises a switching block (21), a fastener (23) and a U-shaped pressing plate (25), wherein the switching block (21) can be movably arranged below the base (10) up and down, and the fastener (23) is connected with the switching block (21) through a fastener mounting hole (15) arranged on the base (10); -said U-shaped pressure plate (25) having a first opening adapted to the size of said fastener (23);

the positioning assembly comprises a first positioning column (31) and a second positioning column (33), wherein the first positioning column (31) and the second positioning column (33) are arranged on the base (10) in the same horizontal direction and are arranged to correspond to two front walls of the front end face of the junction box (100) respectively.

2. The terminal block machining fixture according to claim 1, further comprising a side pushing seat including a first side pushing seat (41) and a second side pushing seat (43), the first side pushing seat (41) and the second side pushing seat (43) being provided on the base (10) at positions corresponding to both side walls of the terminal block (100), the first side pushing seat (41) and the second side pushing seat (43) being provided to clamp the side walls of the terminal block (100).

3. The terminal block machining fixture according to claim 1, further comprising a bottom adjusting assembly, wherein the bottom adjusting assembly comprises a wedge block (51) and an adjusting block (53), the wedge block (51) is disposed on the base (10) at a position corresponding to the bottom of the rear end of the terminal block (100), and the adjusting block (53) is disposed on the rear end of the base (10) and is configured to adjust the wedge block (51) back and forth.

4. A terminal block machining fixture according to claim 1, characterized in that the adapter block (21) is arranged to be connected to an external hydraulic device for moving up and down under the drive of the external hydraulic device.

5. A terminal block machining fixture according to claim 1, characterized in that the base (10) is provided with a plurality of fastener mounting holes (15) adapted to different types of the terminal block (100), and the machining fixture includes a plurality of adapter blocks (21) adapted to different types of the terminal block (100).

6. A terminal block machining fixture according to claim 1, characterized in that the first positioning column (31) and the second positioning column (33) are provided in a cylindrical shape and have two opposite vertical planes, respectively.

7. Terminal block machining fixture according to claim 1, characterized in that the base (10) is provided with positioning column mounting holes (35) for mounting the first positioning column (31) and the second positioning column (33) adapted to different types of terminal blocks (100).

8. A terminal block machining jig according to claim 2, wherein the second side pushing seat (43) comprises a horizontally movable pushing head, and/or the first side pushing seat (41) is provided in a cylindrical shape.

9. The terminal block machining fixture of claim 8, wherein the pusher head includes a vertically disposed and horizontally movable first end plate, the first end plate being provided with floating fingers (432) up and down.

10. A terminal block machining fixture according to claim 9, characterized in that the number of floating nails (432) is 2.