Tool for machining wire outlet hole of motor junction box by special machine

Abstract

The utility model relates to a tool for machining a wire outlet hole of a motor junction box by a special machine, which not only can be used for quickly machining the end face of the wire outlet hole and two wire outlet holes on the cast motor junction box in batches, but also is convenient to use, simple in structure and good in use reliability. Two threaded holes are formed in one side of the upper end face of the bottom plate, two threaded holes are formed in the other side of the upper end face of the bottom plate, two pin shaft through holes are formed in the upper end face of the bottom plate, the upper end face of the inclined block is an inclined face, the front end face of the inclined block is lower than the rear end face of the inclined block, and two sunk screw through holes are formed in the upper end face of the inclined block. A second threaded hole is formed in the rear end face of the inclined block. Two first baffle through holes penetrating through the front face and the back face of the first baffle are formed in the front face of the first baffle, and the first baffle is higher than the rear end face of the inclined block. The tool has the advantages that the tool can be used for quickly processing the end face of the wire outlet hole in the cast motor junction box and the two wire outlet holes in batches.

Description

Technical Field

[0001] This utility model belongs to the field of motor junction box manufacturing equipment, specifically relating to a special-purpose machine tool for machining the wire outlet hole of a motor junction box. Background Technology

[0002] Our company produces a type of motor junction box, such as... Figure 10 As shown, the upper end face of the motor junction box has raised edges around its perimeter, and the lower end face has a grounding boss. One side of the junction box has two cable outlet holes (where glands will be installed later). The end face containing the cable outlet holes is the side closest to the grounding boss. Because this type of motor junction box is a casting, the actual precision of the casting of the end face containing the cable outlet holes and the two cable outlet holes deviates significantly from the design precision. When this type of junction box is directly assembled with a gland, the installed gland will not fully fit against the end face of the junction box, which is not only unsightly, but also... Furthermore, it will affect the performance of the motor junction box. Therefore, before assembling the motor junction box with the gland, it is necessary to perform precision machining on the end face where the cable outlet is located and the two cable outlets to ensure the fit between the two during assembly. However, as a casting, the motor junction box has a draft angle, that is, the end face where the cable outlet is located is an inclined surface relative to the upper and lower end faces of the motor junction box (the end face where the cable outlet is located is relative to the upper and lower end faces of the motor junction box, rather than a vertical surface). In order to enable our existing machine tools to quickly mass-produce this type of motor junction box, our company has specially developed a special machine tooling for machining the cable outlet of the motor junction box. Utility Model Content

[0003] Design objective: To avoid the shortcomings of the prior art, this design aims to create a special-purpose machining fixture for machining the wire outlet holes of motor junction boxes. This fixture is not only capable of rapid batch machining of the end face where the wire outlet holes are located and the two wire outlet holes on the cast motor junction box, but also convenient to use, with a simple structure and high reliability.

[0004] Design scheme: To achieve the above design objectives.

[0005] 1. The upper end face of the bottom plate is provided with two threaded holes on one side and two threaded holes on the other side, and the four threaded holes penetrate the upper and lower end faces of the bottom plate. The upper end face of the bottom plate is provided with two pin shaft through holes that penetrate the upper and lower end faces of the bottom plate, and the diameter of the pin shaft through hole matches the diameter of the pin shaft. The rear end face of the bottom plate is provided with one threaded hole on one side and one threaded hole on the other side. The upper end face of the inclined block is an inclined surface, and the lower end face of the inclined block is a flat surface. The front end face of the inclined block is a flat surface, and the rear end face of the inclined block is a flat surface. The height of the front end face of the inclined block is lower than the height of the rear end face of the inclined block. The upper end face of the inclined block is provided with two countersunk screw through holes that penetrate the upper and lower end faces of the inclined block. One of the inclined blocks is fixedly installed on one side of the upper end face of the bottom plate through two countersunk screws after the two countersunk screw through holes and the corresponding threaded hole one-one pair are connected. The other inclined block is fixedly installed on the other side of the upper end face of the bottom plate through two countersunk screws after the two countersunk screw through holes and the corresponding threaded hole one-one pair are connected. The pin shaft through hole is located between the two inclined blocks. The rear end face of the inclined block is provided with one threaded hole two. The front face of the first baffle is provided with two first baffle through holes that penetrate the front and back faces of the first baffle, and the two first baffle through holes are arranged in an up-down distribution. One of the first baffles is fixedly installed on the rear end of the corresponding inclined block through two screws after the upper first baffle through hole and the corresponding threaded hole two are connected and the lower first baffle through hole and the corresponding threaded hole one are connected. The other first baffle is fixedly installed on the rear end of the corresponding inclined block through two screws after the upper first baffle through hole and the corresponding threaded hole two are connected and the lower first baffle through hole and the corresponding threaded hole one are connected. The height of the first baffle is higher than the height of the rear end face of the inclined block, which is one of the technical features of the utility model. The purpose of this design is: when in use, a special machine tooling motor terminal box outlet hole tool is hoisted to the working platform of the machine tool, and the pin shaft through hole and the corresponding pin shaft hole of the working platform are connected one-one pair through two pin shafts to realize the pin connection between the special machine tooling motor terminal box outlet hole tool and the working platform. Then the upper end face of the motor terminal box is placed on the inclined surface of the two inclined blocks, at this time the outlet hole end face of the motor terminal box is perpendicular to the horizontal plane. Then the hydraulic rod at the upper end of the machine tool is used to press the motor terminal box tightly on the special machine tooling motor terminal box outlet hole tool. Then the machine tool performs finish machining on the outlet hole end face and the two outlet holes, so that the gland can completely fit the motor terminal box end face when the motor terminal box is assembled with the gland. The addition of the special machine tooling motor terminal box outlet hole tool enables the machine tool to quickly and batch process the outlet hole end face and the two outlet holes of the cast motor terminal box, thereby greatly improving the production efficiency of the motor terminal box. In addition, the special machine tooling motor terminal box outlet hole tool is composed of a bottom plate, two inclined blocks, two first baffles, two pin shafts and a plurality of screws, which not only has a simple structure, but also has good use reliability.

[0006] 2、Still including one second baffle, the front surface of the second baffle is provided with two second baffle through holes and the second baffle through holes pass through the front and back surfaces of the second baffle, the outer side surface of the inclined block is provided with two screw holes three and the screw holes three pass through the inner and outer side surfaces of the inclined block, the center line of the two screw holes three is parallel to the upper end surface of the inclined block, the second baffle is fixedly installed on the outer side of the corresponding inclined block through two screws after the second baffle through hole and the corresponding screw hole three are aligned, and the upper end surface of the second baffle is higher than the upper end surface of the inclined block, which is the second technical feature of the utility model. The purpose of the design is that the second baffle is provided, the upper end surface of the second baffle is higher than the upper end surface of the inclined block, and the efficiency of positioning and clamping of the motor terminal box and the special motor terminal box wiring hole machining tool (the motor terminal box is placed on the upper end surface of the two inclined blocks, and the corresponding surfaces on the motor terminal box are abutted against the first baffle and the second baffle, so that the motor terminal box can be quickly positioned and clamped) can be further improved, so that the special motor terminal box wiring hole machining tool is more convenient to use.

[0007] 3、The upper end surface of the bottom plate is provided with two screw holes four for installing lifting rings and the screw holes four pass through the upper and lower end surfaces of the bottom plate, which is the third technical feature of the utility model. The purpose of the design is that the upper end surface of the bottom plate is provided with two screw holes four for installing lifting rings and the screw holes four pass through the upper and lower end surfaces of the bottom plate, so that the special motor terminal box wiring hole machining tool can be hoisted onto the working platform or detached from the working platform.

[0008] 4、The bottom plate, the inclined block, the first baffle and the second baffle are all made of Q235 steel plates, which is the fourth technical feature of the utility model. The purpose of the design is that the bottom plate, the inclined block, the first baffle and the second baffle are all made of Q235 steel plates, so that the service life of the special motor terminal box wiring hole machining tool can be improved.

[0009] 5、the planeness between the upper end face and the lower end face of the bottom plate is equal to 0.1; the roughness of the upper end face of the inclined block is 3.2, which is the fifth technical feature of the utility model. The purpose of such design is that: the planeness between the upper end face and the lower end face of the bottom plate is less than or equal to 0.1; the roughness of the upper end face of the inclined block is 3.2, so that the production cost of the special machine tool for machining the wire outlet hole of the motor terminal box is controlled under the premise of ensuring the machining precision of the wire outlet hole end face and the two wire outlet holes in the motor terminal box.

[0010] Technical scheme: a special machine tool for machining the wire outlet hole of a motor terminal box, comprising a bottom plate, two inclined blocks, two first baffles and two pin shafts, one side of the upper end face of the bottom plate is provided with two threaded holes and the other side of the upper end face of the bottom plate is provided with two threaded holes, the four threaded holes are through the upper and lower end faces of the bottom plate, the upper end face of the bottom plate is provided with two pin shaft through holes through the upper and lower end faces of the bottom plate and the diameter of the pin shaft through hole matches the diameter of the pin shaft, one side of the rear end face of the bottom plate is provided with a threaded hole and the other side of the rear end face of the bottom plate is provided with a threaded hole; the upper end face of the inclined block is an inclined plane and the lower end face of the inclined block is a plane, the front end face of the inclined block is a plane and the rear end face of the inclined block is a plane, the height of the front end face of the inclined block is lower than the height of the rear end face of the inclined block, the upper end face of the inclined block is provided with two countersunk screw through holes and the countersunk screw through holes are through the upper and lower end faces of the inclined block, one of the inclined blocks is fixedly installed on one side of the upper end face of the bottom plate through two screws after the two countersunk screw through holes and the corresponding threaded hole are connected, the other inclined block is fixedly installed on the other side of the upper end face of the bottom plate through two screws after the two countersunk screw through holes and the corresponding threaded hole are connected, the pin shaft through hole is located between the two inclined blocks, and the rear end face of the inclined block is provided with a threaded hole; the front face of the first baffle is provided with two first baffle through holes through the front and back faces of the first baffle and the two first baffle through holes are distributed above and below, one of the first baffles is fixedly installed on the rear end of the corresponding inclined block through two screws after the upper first baffle through hole and the corresponding threaded hole are connected and the lower first baffle through hole and the corresponding threaded hole are connected, the other first baffle is fixedly installed on the rear end of the corresponding inclined block through two screws after the upper first baffle through hole and the corresponding threaded hole are connected and the lower first baffle through hole and the corresponding threaded hole are connected, and the height of the first baffle is higher than the height of the rear end face of the inclined block.

[0011] Compared with the background art, the special machine tool for machining the wire outlet hole of the motor terminal box can not only quickly and batch process the wire outlet hole end face and the two wire outlet holes on the cast motor terminal box, but also is convenient to use, simple in structure and good in use reliability. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1It is a three-dimensional structure diagram of a special machine tool for machining motor terminal box outlet hole.

[0013] Figure 2 It is a schematic diagram of the main structure of the bottom plate.

[0014] Figure 3 It is a schematic diagram of the cross-sectional structure of the inclined block.

[0015] Figure 4 It is a schematic diagram of the main structure of the first baffle.

[0016] Figure 5 It is a schematic diagram of the main structure of the second baffle.

[0017] Figure 6 It is a schematic diagram of the structure of a special machine tool for machining motor terminal box outlet hole and the assembly of the machine tool and the motor terminal box.

[0018] Figure 7 It is a schematic diagram of the structure of a special machine tool for machining motor terminal box outlet hole and the assembly of the machine tool and the motor terminal box.

[0019] Figure 8 It is a schematic diagram of the main structure of a special machine tool for machining motor terminal box outlet hole (different specifications).

[0020] Figure 9 It is a schematic diagram of the main structure of a special machine tool for machining motor terminal box outlet hole (different specifications).

[0021] Figure 10 It is a schematic diagram of the main structure of a special machine tool for machining motor terminal box outlet hole (different specifications). DETAILED DESCRIPTION

[0022] Example 1: Refer to the attached Figures 1-9A kind of special machine tooling motor terminal box outlet hole tooling, including a bottom plate 1, two inclined blocks 2, two first baffle 3 and two pin shafts 4, the upper end face one side of the bottom plate 1 is equipped with two threaded holes 11 and the upper end face other side of the bottom plate 1 is equipped with two threaded holes 11, four threaded holes 11 are all through the upper and lower end faces of bottom plate 1, the upper end face of the bottom plate 1 is equipped with two pin shaft through holes 12 that are through the upper and lower end faces of bottom plate 1 and the diameter of pin shaft through hole 12 matches the diameter of pin shaft 4, the rear end face one side of the bottom plate 1 is equipped with a threaded hole one 13 and the rear end face other side of the bottom plate 1 is equipped with a threaded hole one 13;The upper end face of the inclined block 2 is inclined face and the lower end face of the inclined block 2 is plane, the front end face of the inclined block 2 is plane and the rear end face of the inclined block 2 is plane, the height of the front end face of the inclined block 2 is lower than the height of the rear end face of the inclined block 2, the upper end face of the inclined block 2 is equipped with two countersunk screw through holes 21 and countersunk screw through hole 21 is through the upper and lower end faces of inclined block 2, one inclined block 2 is fixedly installed on the upper end face one side of bottom plate 1 after two countersunk screw through holes 21 and corresponding threaded hole 11 are one-to-one through by two screws 5, another inclined block 2 is fixedly installed on the other side of the upper end face of the bottom plate 1 after two countersunk screw through holes 21 and corresponding threaded hole 11 are one-to-one through by two screws 5, the pin shaft through hole 12 is located between two inclined blocks 2, the rear end face of the inclined block 2 is equipped with a threaded hole two 22;The front face of the first baffle 3 is equipped with two first baffle through holes 31 that are through the front and back faces of the first baffle 3 and two first baffle through holes 31 are distributed in up and down, one first baffle 3 is fixedly installed on the rear end of corresponding inclined block 2 after the first baffle through hole 31 located in upper and corresponding threaded hole two 22 are through and the first baffle through hole 31 located in lower and corresponding threaded hole one 13 are through by two screws 5, another first baffle 3 is fixedly installed on the rear end of corresponding inclined block 2 after the first baffle through hole 31 located in upper and corresponding threaded hole two 22 are through and the first baffle through hole 31 located in lower and corresponding threaded hole one 13 are through by two screws 5, the height of the first baffle 3 is higher than the height of the rear end face of the inclined block 2.

[0023] There is a second baffle 6, the front of the second baffle 6 is provided with two second baffle through holes 61 and the second baffle through holes 61 pass through the front and back of the second baffle 6, the outer side of the inclined block 2 is provided with two threaded holes three 23 and the threaded holes three 23 pass through the inner and outer sides of the inclined block 2, the center line of the two threaded holes three 23 is parallel to the upper end surface of the inclined block 2, the second baffle 6 is fixedly installed on the outer side of the corresponding inclined block 2 through two screws 5 after the second baffle through hole 61 and the corresponding threaded hole three 23 are aligned, and the upper end surface of the second baffle 6 is higher than the upper end surface of the inclined block 2. The upper end surface of the bottom plate 1 is provided with two threaded holes four 14 for installing lifting rings and the threaded holes four 14 pass through the upper and lower end surfaces of the bottom plate 1. The screw 5 is an M10 internal hexagonal screw. The bottom plate 1, the inclined block 2, the first baffle 3 and the second baffle 6 are all made of Q235 steel plates. The flatness between the upper end surface and the lower end surface of the bottom plate 1 is equal to 0.1; and the roughness of the upper end surface of the inclined block 2 is 3.2.

[0024] In use, a special machine tooling motor terminal box outlet hole tooling is hoisted to the working platform of the machine tool, the pin shaft through hole 12 and the corresponding pin shaft hole on the working platform are aligned, and then the special machine tooling motor terminal box outlet hole tooling and the working platform are connected through the two pin shafts 4, then the upper end surface of the motor terminal box (the surface provided with the convex edge) is placed on the inclined surfaces of the two inclined blocks 2, at this time, the surface where the outlet holes of the motor terminal box are located is perpendicular to the horizontal plane, then the motor terminal box is pressed on the special machine tooling motor terminal box outlet hole tooling by the hydraulic rod on the upper end of the machine tool, the surface where the outlet holes are located is the side surface close to the grounding boss of the motor terminal box, and the cutter spindle of the machine tool is aligned with the surface where the outlet holes are located; the machine tool performs finish machining on the surface where the outlet holes are located and the two outlet holes through the cutter, so that the gland can be completely attached to the surface of the motor terminal box when the gland is assembled with the motor terminal box; the special machine tooling motor terminal box outlet hole tooling is added, so that the machine tool can quickly and batch process the surface where the outlet holes are located and the two outlet holes of the cast motor terminal box.

[0025] It should be understood that, although the above embodiment has a relatively detailed description of the design idea of the utility model, the description is only a simple description of the design idea of the utility model, but not a limitation of the design idea of the utility model, and any combination, addition or modification within the design idea of the utility model falls within the protection scope of the utility model.

Claims

1. A tool for machining the outlet hole of a motor terminal box, comprising a base plate (1), two inclined blocks (2), two first baffle plates (3) and two pin shafts (4), characterized in that: The upper end face of the bottom plate (1) is provided with two threaded holes (11) and the other side of the upper end face of the bottom plate (1) is provided with two threaded holes (11), the four threaded holes (11) are through the upper and lower end faces of the bottom plate (1), the upper end face of the bottom plate (1) is provided with two pin shaft through holes (12) through the upper and lower end faces of the bottom plate (1) and the diameter of the pin shaft through hole (12) matches the diameter of the pin shaft (4), the rear end face of the bottom plate (1) is provided with a threaded hole (13) on one side and the rear end face of the bottom plate (1) is provided with a threaded hole (13) on the other side; the upper end face of the inclined block (2) is an inclined surface and the lower end face of the inclined block (2) is a plane, the front end face of the inclined block (2) is a plane and the rear end face of the inclined block (2) is a plane, the height of the front end face of the inclined block (2) is lower than the height of the rear end face of the inclined block (2), the upper end face of the inclined block (2) is provided with two countersunk screw through holes (21) and the countersunk screw through hole (21) is through the upper and lower end faces of the inclined block (2), one of the inclined blocks (2) is fixedly installed on one side of the upper end face of the bottom plate (1) through two countersunk screws (5) after the two countersunk screw through holes (21) and the corresponding threaded holes (11) are one-to-one matched, the other inclined block (2) is fixedly installed on the other side of the upper end face of the bottom plate (1) through two countersunk screws (5) after the two countersunk screw through holes (21) and the corresponding threaded holes (11) are one-to-one matched, the pin shaft through hole (12) is located between the two inclined blocks (2), the rear end face of the inclined block (2) is provided with a threaded hole (22); the front face of the first baffle (3) is provided with two first baffle through holes (31) through the front and back faces of the first baffle (3) and the two first baffle through holes (31) are distributed above and below, one of the first baffles (3) is fixedly installed at the rear end of the corresponding inclined block (2) through two screws (5) after the first baffle through hole (31) located above and the corresponding threaded hole (22) are matched and the first baffle through hole (31) located below and the corresponding threaded hole (13) are matched, the other first baffle (3) is fixedly installed at the rear end of the corresponding inclined block (2) through two screws (5) after the first baffle through hole (31) located above and the corresponding threaded hole (22) are matched and the first baffle through hole (31) located below and the corresponding threaded hole (13) are matched, the height of the first baffle (3) is higher than the height of the rear end face of the inclined block (2).

2. The tooling for machining the outlet hole of the motor junction box according to claim 1, characterized in that: There is also a second baffle (6), the front of the second baffle (6) is provided with two second baffle through holes (61) and the second baffle through holes (61) pass through the front and back of the second baffle (6), the outer side of the inclined block (2) is provided with two threaded holes three (23) and the threaded holes three (23) pass through the inner and outer sides of the inclined block (2), the center line of the two threaded holes three (23) is parallel to the upper end surface of the inclined block (2), the second baffle (6) is fixedly installed on the outer side of the corresponding inclined block (2) through two screws (5) after the second baffle through hole (61) and the corresponding threaded hole three (23) are aligned, and the upper end surface of the second baffle (6) is higher than the upper end surface of the inclined block (2).

3. The tooling for machining the outlet hole of the motor junction box according to claim 1, characterized in that: The upper end surface of the bottom plate (1) is provided with two threaded holes four (14) for installing lifting rings and the threaded holes four (14) pass through the upper and lower end surfaces of the bottom plate (1).

4. The tooling for machining the outlet hole of the motor junction box according to claim 1 or 2, characterized in that: The screw (5) is an M10 inner hexagonal screw.

5. The tooling for machining the outlet hole of the motor junction box according to claim 1, characterized in that: The bottom plate (1), the inclined block (2), the first baffle (3) and the second baffle (6) are all made of Q235 steel plates.

6. The tooling for machining the outlet hole of the motor junction box according to claim 1, characterized in that: The flatness between the upper end surface and the lower end surface of the bottom plate (1) is equal to 0.1; the roughness of the upper end surface of the inclined block (2) is 3.2.

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