Machining and positioning tool for frame

By designing a frame-based machining positioning fixture that includes a frame, a first positioning mechanism, and a second positioning mechanism, the problem of poor adaptability of existing positioning fixtures was solved, achieving efficient positioning of the internal frames of different types of switchgear, and improving machining accuracy and practicality.

CN223889864UActive Publication Date: 2026-02-10BEIJING KYLINPOWER TECH
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Patent Information

Application Number
CN202423213601.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2026-02-10
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

The existing positioning fixtures have poor adaptability and practicality, and cannot meet the positioning requirements of the internal frames of different models of switchgear.

Method used

A frame processing and positioning fixture was designed, comprising a frame, a first positioning mechanism and a second positioning mechanism. The frame has a positioning cavity. The first positioning mechanism and the second positioning mechanism move in different directions to place the left upright plate, the right upright plate and the pole mounting plate. The fixture can be adapted to different frame models by adjusting the position of the mounting position.

Benefits of technology

It improves the adaptability and practicality of positioning fixtures, enabling them to adapt to the positioning of internal frames of different models, ensuring processing accuracy and shape standards.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a processing and positioning tool for a frame, which comprises a rack, a positioning block, a positioning block and a positioning block, the first positioning mechanism is provided with two first placement positions which are arranged in the positioning cavity at intervals; and the second positioning mechanism is provided with two second placement positions which are arranged in the positioning cavity at intervals. According to the machining positioning tool for the frame, the rack is arranged, the first positioning mechanism and the second positioning mechanism can be arranged in the positioning cavity of the rack, the first positioning mechanism can move in the interval direction of the two first placement positions through the two first placement positions which are horizontally arranged in the positioning cavity in a spaced mode, and the second positioning mechanism can move in the interval direction of the two first placement positions. The left vertical plate and the right vertical plate are respectively placed; the second positioning mechanism can move in the interval direction of the two second placement positions through the two second placement positions horizontally arranged in the positioning cavity in a spaced mode, the pole mounting plate is placed through one of the first placement positions, the positions of the first placement positions and the second placement positions can be adjusted, and the positioning device can adapt to positioning of internal frames of different models.
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Description

Technical Field

[0001] This utility model belongs to the field of positioning tooling technology, specifically relating to a processing positioning tooling for frames. Background Technology

[0002] The internal mounting frame of a switchgear is a structural system used to support and install various electrical components. Switchgear frames are typically made of high-strength steel, such as 8MF open-section steel. This material not only provides sufficient mechanical strength but also facilitates installation and maintenance. The design and implementation of the internal mounting frame is a complex process involving multiple aspects, requiring consideration of material selection, structural design, safety standards, and other factors. The internal mounting frame typically consists of a rectangular parallelepiped structure with a left and right upright plate and pole mounting plates.

[0003] In the existing technology, positioning fixtures are usually used when installing the internal frame of switchgear. The fixtures can effectively control the processing accuracy and shape standard of each part in the production process. Generally, the various parts of the frame are positioned by positioning fixtures, and then the parts are welded and other assembly processes are carried out. However, different models of internal frames require different positioning fixtures, which has poor adaptability and practicality. Utility Model Content

[0004] This utility model provides a frame processing positioning fixture, which aims to solve the problems of poor adaptability and poor practicality of existing positioning fixtures.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is: to provide a frame processing and positioning fixture, comprising:

[0006] The frame has a positioning cavity at the top;

[0007] The first positioning mechanism has two first placement positions horizontally spaced within the positioning cavity. Each of the first placement positions can move along the interval direction between the two first placement positions. The first positioning mechanism is used to place the left upright plate and the right upright plate through the two first placement positions respectively. The interval direction between the two first placement positions is defined as the first direction, and the direction that is perpendicular to the first direction and horizontal is defined as the second direction.

[0008] The second positioning mechanism has two horizontally spaced second placement positions disposed within the positioning cavity along the second direction, each of the second placement positions being movable along the second direction, and the second positioning mechanism is used to place the pole mounting plate through one of the first placement positions.

[0009] In one possible implementation, the rack includes:

[0010] support;

[0011] A positioning turntable is rotatably mounted on the bracket. The top of the positioning turntable has a rectangular cavity with an open top, and the rectangular cavity is the positioning cavity.

[0012] The positioning scale structure is provided in two, and the two positioning scale structures are arranged at intervals along the first direction on the positioning turntable. The two positioning scale structures are arranged one-to-one with the two first placement positions.

[0013] In one possible implementation, each of the positioning scale structures includes:

[0014] A positioning ruler is fixed on the positioning turntable and located on the side corresponding to the positioning cavity, and the positioning ruler is set along the second direction;

[0015] Two sliding blocks are provided, each of which is slidably disposed on the positioning ruler along the second direction. The two sliding blocks are used to abut against the two ends of the left or right upright plate respectively to position the left or right upright plate.

[0016] Two positioning bolts are provided, and the two positioning bolts are respectively arranged in a one-to-one correspondence with the two sliding blocks. Each positioning bolt passes through the corresponding sliding block in the vertical direction and abuts against the positioning ruler to fix the position of the corresponding sliding block on the positioning ruler.

[0017] In one possible implementation, the first positioning mechanism includes two first positioning mechanisms spaced apart along the first direction on the positioning turntable, each of the first positioning mechanisms including:

[0018] The first abutting block is slidably disposed in the positioning cavity along the first direction. The first abutting block is disposed along the second direction. The first abutting block is used to abut against the side wall of the left or right vertical plate. The first abutting block is the first placement position.

[0019] The first connecting block is fixedly mounted on the first abutting block;

[0020] A first adjusting screw, one end of which is rotatably connected to the first connecting block, is arranged along the first direction and threadedly connected to the positioning turntable;

[0021] A first rotating handle is located at the other end of the first adjusting screw, which is used to drive the first adjusting screw to rotate, and at the same time drive the first connecting block and the first abutting block to slide along the first direction.

[0022] The positioning turntable is provided with a first threaded hole for threaded connection of each of the first adjusting screws.

[0023] In one possible implementation, the second positioning mechanism includes two second positioning mechanisms spaced apart on the positioning turntable along the second direction, each of the second positioning mechanisms including:

[0024] The second abutment block is slidably disposed in the positioning cavity along the second direction. The second abutment block is disposed along the first direction. One of the second abutment blocks is used to abut against the side wall of the pole mounting plate. The second abutment block is the second placement position.

[0025] The second connecting block is fixedly mounted on the second abutting block;

[0026] The second adjusting screw is rotatably connected to the second connecting block at one end, and the second adjusting screw is arranged along the second direction and threadedly connected to the positioning turntable.

[0027] The second rotating handle is located at the other end of the second adjusting screw, and is used to drive the second adjusting screw to rotate, while simultaneously driving the second connecting block and the second abutting block to slide along the second direction.

[0028] The positioning turntable is provided with a second threaded hole for threaded connection of each of the second adjusting screws.

[0029] In one possible implementation, the frame machining positioning fixture further includes an auxiliary abutment mechanism disposed within the positioning cavity, the auxiliary abutment mechanism comprising:

[0030] A fixed column is fixedly mounted on the positioning turntable, and the axis of the fixed column is collinear with the rotation axis of the positioning turntable;

[0031] The telescopic structure is provided in four parts, and the four telescopic structures are arranged one-to-one with the four sides of the positioning cavity. The fixed end of each telescopic structure is fixed on the fixed post, and the telescopic end of each telescopic structure extends toward the side of the positioning cavity corresponding to it.

[0032] There are four abutment plates, and each of the four abutment plates is provided in a one-to-one correspondence with the four telescopic structures. Each abutment plate is fixedly installed on the telescopic end of the corresponding telescopic structure.

[0033] In one possible implementation, the auxiliary abutment mechanism further includes a controller electrically connected to each of the telescopic structures for driving the extension and retraction of each of the telescopic structures.

[0034] In one possible implementation, the telescopic structure is an adaptive cylinder.

[0035] In one possible implementation, the positioning ruler has graduations.

[0036] In this implementation, compared with the prior art, a frame is provided, and a first positioning mechanism and a second positioning mechanism can be set in the positioning cavity of the frame. The first positioning mechanism can be set in a first placement position in the positioning cavity at two horizontal intervals and can move along the interval direction between the two first placement positions to place the left upright plate and the right upright plate respectively. The second positioning mechanism can be set in a second placement position in the positioning cavity at two horizontal intervals and can move along the interval direction between the two second placement positions. The pole post mounting plate is placed through one of the first placement positions. The positions of each first placement position and each second placement position can be adjusted to adapt to the positioning of internal frames of different models, with good adaptability and practicality. Attached Figure Description

[0037] Figure 1 A schematic diagram of the structure of the frame processing and positioning fixture provided in the embodiment of this utility model;

[0038] Figure 2 for Figure 1 The enlarged structural diagram of point A of the provided frame machining positioning fixture;

[0039] Explanation of reference numerals in the attached figures:

[0040] 10. Frame; 11. Support; 12. Positioning turntable; 13. Positioning scale structure; 131. Positioning scale; 132. Sliding block; 133. Positioning bolt; 20. First positioning mechanism; 21. First positioning structure; 211. First abutting block; 212. First connecting block; 213. First adjusting screw; 214. First rotating handle; 30. Second positioning mechanism; 31. Second positioning structure; 311. Second abutting block; 312. Second connecting block; 313. Second adjusting screw; 314. Second rotating handle; 40. Auxiliary abutting mechanism; 41. Fixed column; 42. Telescopic structure; 43. Abutting plate. Detailed Implementation

[0041] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0042] Please refer to the following: Figure 1 and Figure 2The frame processing and positioning fixture provided by this utility model will now be described. The frame processing and positioning fixture includes a frame 10, a first positioning mechanism 20, and a second positioning mechanism 30. The frame 10 has a positioning cavity at its top. The first positioning mechanism 20 has two first placement positions horizontally spaced within the positioning cavity. Each first placement position is movable along the distance between the two first placement positions. The first positioning mechanism 20 is used to place the left and right upright plates through the two first placement positions respectively. The distance between the two first placement positions is defined as the first direction, and the direction perpendicular to and horizontal to the first direction is defined as the second direction. The second positioning mechanism 30 has two second placement positions horizontally spaced along the second direction within the positioning cavity. Each second placement position is movable along the second direction. The second positioning mechanism 30 is used to place the pole post mounting plate through one of the first placement positions.

[0043] The frame processing and positioning fixture provided in this embodiment, compared with the prior art, includes a frame 10. A first positioning mechanism 20 and a second positioning mechanism 30 can be installed within the positioning cavity of the frame 10. The first positioning mechanism 20 can be positioned at two horizontally spaced first placement positions within the positioning cavity and can move along the interval between the two first placement positions to place the left and right upright plates, respectively. The second positioning mechanism 30 can be positioned at two horizontally spaced second placement positions within the positioning cavity and can move along the interval between the two second placement positions. One of the first placement positions is used to place the pole post mounting plate. The positions of each first and second placement position can be adjusted to adapt to the positioning of internal frames of different models, exhibiting good adaptability and practicality.

[0044] In some embodiments, the rack 10 described above may be as follows: Figure 1 The structure shown. See also Figure 1 The frame 10 includes: a support 11, a positioning turntable 12, and a positioning scale structure 13. The support 11 and the positioning turntable 12 are rotatably mounted on the support 11. The top of the positioning turntable 12 has a rectangular cavity with an open top, serving as a positioning cavity. Two positioning scale structures 13 are provided, spaced apart along a first direction on the positioning turntable 12, with each of the two positioning scale structures 13 corresponding to one of the two first mounting positions.

[0045] The bracket 11 can be understood as a connecting frame that can support the positioning turntable 12. The positioning turntable 12 can be rotatably mounted on the bracket 11, and its rotation facilitates subsequent welding and other assembly processes. The two positioning scale structures 13 can be set one-to-one with the two first mounting positions, and can be used to position the corresponding left or right upright plate.

[0046] In some embodiments, the positioning scale structure 13 described above can be adopted as follows: Figure 1 , Figure 2 The structure shown. See also Figure 1 , Figure 2 Each positioning scale structure 13 includes: a positioning scale 131, a sliding block 132, and a positioning bolt 133. The positioning scale 131 is fixed on the positioning turntable 12 and located on the side corresponding to the positioning cavity, and the positioning scale 131 is arranged along the second direction. There are two sliding blocks 132, each of which is slidably arranged on the positioning scale 131 along the second direction. The two sliding blocks 132 are used to abut against the two ends of the left or right upright plate to position the left or right upright plate. There are two positioning bolts 133, each of which is arranged in a one-to-one correspondence with the two sliding blocks 132. Each positioning bolt 133 passes through the corresponding sliding block 132 in the vertical direction and abuts against the positioning scale 131 to fix the position of the corresponding sliding block 132 on the positioning scale 131.

[0047] The positioning ruler 131 allows two sliding blocks 132 to slide along a second direction. The two sliding blocks 132 can respectively abut against the two ends of the left or right upright plate to position the left or right upright plate. The positioning bolt 133 can pass through the corresponding sliding block 132 and abut against the positioning ruler 131 to fix the position of the corresponding sliding block 132 on the positioning ruler 131.

[0048] In some embodiments, the first positioning mechanism 20 described above may employ, for example... Figure 1 , Figure 2 The structure shown. See also Figure 1 , Figure 2 The first positioning mechanism 20 includes two first positioning mechanisms 20 spaced apart on the positioning turntable 12 along a first direction. Each first positioning structure 21 includes: a first abutting block 211, a first connecting block 212, a first adjusting screw 213, and a first rotating handle 214. The first abutting block 211 is slidably disposed in the positioning cavity along the first direction and is also disposed along a second direction. The first abutting block 211 is used to abut against the side wall of the left or right vertical plate, and is a first placement position. The first connecting block 212 is fixedly disposed on the first abutting block 211. One end of the first adjusting screw 213 is rotatably connected to the first connecting block 212. The first adjusting screw 213 is disposed along the first direction and threadedly connected to the positioning turntable 12. The first rotating handle 214 is disposed at the other end of the first adjusting screw 213 and is used to drive the first adjusting screw 213 to rotate, while simultaneously driving the first connecting block 212 and the first abutting block 211 to slide along the first direction.

[0049] The positioning turntable 12 is provided with a first threaded hole for threaded connection of each first adjusting screw 213.

[0050] The first abutting block 211 can slide in the positioning cavity along the first direction under the drive of the first connecting block 212 rotatably connected to the first adjusting screw 213, and abut against the side wall of the left or right vertical plate to position the left or right vertical plate.

[0051] In some embodiments, the second positioning mechanism 30 described above may employ, for example... Figure 1 , Figure 2 The structure shown. See also Figure 1 , Figure 2 The second positioning mechanism 30 includes two second positioning mechanisms 30 spaced apart on the positioning turntable 12 along a second direction. Each second positioning structure 31 includes: a second abutment block 311, a second connecting block 312, a second adjusting screw 313, and a second rotating handle 314. The second abutment block 311 is slidably disposed in the positioning cavity along the second direction. The second abutment block 311 is disposed along a first direction, and one of the second abutment blocks 311 is used to abut against the side wall of the pole mounting plate. The second abutment block 311 is a second placement position. The second connecting block 312 is fixedly disposed on the second abutment block 311. One end of the second adjusting screw 313 is rotatably connected to the second connecting block 312. The second adjusting screw 313 is disposed along the second direction and threadedly connected to the positioning turntable 12. The second rotating handle 314 is disposed at the other end of the second adjusting screw 313 and is used to drive the second adjusting screw 313 to rotate, while simultaneously driving the second connecting block 312 and the second abutment block 311 to slide along the second direction.

[0052] The second abutment block 311 can slide in the positioning cavity along the second direction under the drive of the second connecting block 312 rotatably connected to the second adjusting screw 313. One of the second abutment blocks 311 can abut against the side wall of the pole mounting plate to position the pole mounting plate.

[0053] The positioning turntable 12 is provided with a second threaded hole for threaded connection of each second adjusting screw 313.

[0054] In some embodiments, the above-described frame machining positioning fixture can be adopted as follows: Figure 1 , Figure 2 The structure shown. See also Figure 1 , Figure 2The frame machining and positioning fixture also includes an auxiliary abutment mechanism 40, which is disposed within the positioning cavity. The auxiliary abutment mechanism 40 includes: a fixed post 41, a telescopic structure 42, and an abutment plate 43. The fixed post 41 is fixedly mounted on the positioning turntable 12, and its axis is collinear with the rotation axis of the positioning turntable 12. Four telescopic structures 42 are provided, each corresponding to one of the four sides of the positioning cavity. The fixed end of each telescopic structure 42 is fixed to the fixed post 41, and its telescopic end extends towards the corresponding side of the positioning cavity. Four abutment plates 43 are provided, each corresponding to one of the four telescopic structures 42, and each abutment plate 43 is fixed to the telescopic end of its corresponding telescopic structure 42.

[0055] The fixed post 41 can be understood as a fixed block fixed on the positioning turntable 12. The four telescopic structures 42 can extend towards the corresponding side of the positioning cavity through the telescopic ends of each telescopic structure 42. The abutment plate 43 can be fixed on the telescopic ends of the corresponding telescopic structures 42 to clamp and position the left upright plate, right upright plate and pole mounting plate on each of the first abutment blocks 211 and the second abutment blocks 311.

[0056] In some embodiments, the auxiliary abutment mechanism 40 may employ, for example... Figure 1 , Figure 2 The structure shown. See also Figure 1 , Figure 2 The auxiliary contact mechanism 40 also includes a controller, which is electrically connected to each telescopic structure 42 and is used to drive the extension and retraction of each telescopic structure 42.

[0057] The controller can drive the extension and retraction of each telescopic structure 42. It can retract when the left upright plate, right upright plate, and pole mounting plate are not in position, and extend when the left upright plate, right upright plate, and pole mounting plate are in position.

[0058] In some embodiments, the telescopic structure 42 may adopt the following... Figure 1 , Figure 2 The structure shown. See also Figure 1 , Figure 2 The telescopic structure 42 is an adaptive cylinder.

[0059] An adaptive cylinder is a type of cylinder with automatic adjustment capabilities, capable of adjusting its stroke, speed, or other operating parameters according to different working conditions or requirements. Adaptive cylinders are existing technology and will not be discussed in detail here.

[0060] In some embodiments, the positioning ruler 131 described above can be adopted as follows: Figure 1 , Figure 2 The structure shown. See also Figure 1 , Figure 2 The positioning ruler 131 has a scale.

[0061] The scale on the positioning ruler 131 makes it easy for the sliding block 132 to be positioned.

[0062] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A frame machining and positioning fixture, characterized in that, include: The frame has a positioning cavity at the top; The first positioning mechanism has two first placement positions horizontally spaced within the positioning cavity. Each of the first placement positions can move along the interval direction between the two first placement positions. The first positioning mechanism is used to place the left upright plate and the right upright plate through the two first placement positions respectively. The interval direction between the two first placement positions is defined as the first direction, and the direction perpendicular to and horizontal to the first direction is defined as the second direction. The second positioning mechanism has two horizontally spaced second placement positions disposed within the positioning cavity along the second direction, each of the second placement positions being movable along the second direction, and the second positioning mechanism is used to place the pole mounting plate through one of the first placement positions.

2. The frame machining and positioning fixture as described in claim 1, characterized in that, The rack includes: support; A positioning turntable is rotatably mounted on the bracket. The top of the positioning turntable has a rectangular cavity with an open top, and the rectangular cavity is the positioning cavity. The positioning scale structure is provided in two, and the two positioning scale structures are arranged at intervals along the first direction on the positioning turntable. The two positioning scale structures are arranged one-to-one with the two first placement positions.

3. The frame machining and positioning fixture as described in claim 2, characterized in that, Each of the aforementioned positioning scale structures includes: A positioning ruler is fixed on the positioning turntable and located on the side corresponding to the positioning cavity, and the positioning ruler is set along the second direction; Two sliding blocks are provided, each of which is slidably disposed on the positioning ruler along the second direction. The two sliding blocks are used to abut against the two ends of the left or right upright plate respectively to position the left or right upright plate. Two positioning bolts are provided, and the two positioning bolts are respectively set with the two sliding blocks one-to-one. Each positioning bolt passes through the corresponding sliding block in the vertical direction and abuts against the positioning ruler to fix the position of the corresponding sliding block on the positioning ruler.

4. The frame machining and positioning fixture as described in claim 2, characterized in that, The first positioning mechanism includes two first positioning structures spaced apart on the positioning turntable along the first direction, each first positioning structure including: The first abutting block is slidably disposed in the positioning cavity along the first direction. The first abutting block is disposed along the second direction. The first abutting block is used to abut against the side wall of the left or right vertical plate. The first abutting block is the first placement position. The first connecting block is fixedly mounted on the first abutting block; A first adjusting screw, one end of which is rotatably connected to the first connecting block, is arranged along the first direction and threadedly connected to the positioning turntable; A first rotating handle is located at the other end of the first adjusting screw, and is used to drive the first adjusting screw to rotate, while simultaneously driving the first connecting block and the first abutting block to slide along the first direction. The positioning turntable is provided with a first threaded hole for threaded connection of each of the first adjusting screws.

5. The frame machining and positioning fixture as described in claim 2, characterized in that, The second positioning mechanism includes two second positioning structures spaced apart on the positioning turntable along the second direction, each second positioning structure including: The second abutment block is slidably disposed in the positioning cavity along the second direction. The second abutment block is disposed along the first direction. One of the second abutment blocks is used to abut against the side wall of the pole mounting plate. The second abutment block is the second placement position. The second connecting block is fixedly mounted on the second abutting block; The second adjusting screw is rotatably connected to the second connecting block at one end, and the second adjusting screw is arranged along the second direction and threadedly connected to the positioning turntable. The second rotating handle is located at the other end of the second adjusting screw, and is used to drive the second adjusting screw to rotate, while simultaneously driving the second connecting block and the second abutting block to slide along the second direction. The positioning turntable is provided with a second threaded hole for threaded connection of each of the second adjusting screws.

6. The frame machining and positioning fixture as described in claim 2, characterized in that, The frame machining and positioning fixture further includes an auxiliary abutment mechanism, which is disposed within the positioning cavity. The auxiliary abutment mechanism includes: A fixed column is fixedly mounted on the positioning turntable, and the axis of the fixed column is collinear with the rotation axis of the positioning turntable; The telescopic structure is provided in four parts, and the four telescopic structures are arranged one-to-one with the four sides of the positioning cavity. The fixed end of each telescopic structure is fixed on the fixed post, and the telescopic end of each telescopic structure extends toward the side of the positioning cavity corresponding to it. There are four abutment plates, and each of the four abutment plates is arranged in a one-to-one correspondence with the four telescopic structures. Each abutment plate is fixed on the telescopic end of the corresponding telescopic structure.

7. The frame machining and positioning fixture as described in claim 6, characterized in that, The auxiliary contact mechanism also includes a controller, which is electrically connected to each of the telescopic structures and is used to drive the extension and retraction of each of the telescopic structures.

8. The frame machining and positioning fixture as described in claim 6, characterized in that, The telescopic structure is an adaptive cylinder.

9. The frame machining and positioning fixture as described in claim 3, characterized in that, The positioning ruler has graduations.