Two-procedure CNC machining tool suitable for motor shell
By designing a two-stage CNC machining fixture suitable for motor housings, and utilizing a combination positioning structure of limit blocks and locking components, the problem of unstable positioning during motor housing machining was solved, achieving efficient and precise machining results.
Patent Information
- Application Number
- CN202520274107.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-20
AI Technical Summary
The existing positioning structure of the motor housing machining tooling is complicated, resulting in too many positioning operation steps and instability. It is also prone to loosening, which affects the machining accuracy and efficiency.
A two-stage CNC machining fixture, including a tooling table, support components, and a fixing mechanism, is adopted. The motor housing is quickly positioned and fixed in a secondary manner by the limit blocks and locking components on the support components. The tooling table and the machine tool are stably connected by the reference holes and press-fit holes.
This improved the fixation strength and machining accuracy of the motor housing, reduced the probability of loosening during machining, and improved machining efficiency and precision.
Smart Images
Figure CN223749103U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical processing technical field especially is applicable to two sequence CNC processing frock of motor casing. BACKGROUND
[0002] The frock is the key component of connecting workpiece and machine tool, and its performance and precision directly affect the machining quality. In the CNC machining process, the workpiece, especially the workpiece with complex geometric structure, needs to be fully positioned. The workpiece in the positioning state does not loosen during the machining process, ensuring the machining precision.
[0003] The motor casing is a complex accessory with a very complex geometric shape. The two opposite sides of the motor casing are parallel, and the bottom is provided with an irregular bottom plate. The lower surface of the bottom plate is a plane, and the bottom plate is provided with a plurality of through holes and circular grooves. The bottom plate is provided with a plurality of protruding blocks. At present, in the process of machining the second sequence of the motor casing, the motor casing needs to be fixed in the forward direction, and the motor casing needs to be machined. Multiple positioning structures are usually arranged on the working clamp to ensure that the motor casing is effectively positioned. The most common way is to use the pressing plate method on the traditional mold to position. However, firstly, in order to meet the stability of positioning, the number of positioning structures is too complicated, which leads to too many positioning operation steps and increases the defect of uneven positioning stability. During the machining process, it is easy to loosen. The existing positioning frock cannot conveniently position the machined motor casing. CONTENT OF THE UTILITY MODEL
[0004] In order to improve the firmness and convenience of the motor casing fixation, and further improve the machining precision and efficiency, the utility model provides a kind of two sequence CNC processing frock suitable for motor casing.
[0005] The utility model provides a kind of two sequence CNC processing frock suitable for motor casing, adopt following technical scheme:
[0006] A kind of two sequence CNC processing frock suitable for motor casing, including frock table, support piece and fixed mechanism, the fixed mechanism includes first locking piece, the support piece is provided with two, two support pieces center symmetry are set on frock table, the support piece is fixedly connected with frock table, the support frame is provided with a plurality of threaded holes, the first locking piece is connected in the threaded hole of support frame, two the recess is arranged on the opposite side of support frame;Through the above setting, the motor casing is placed on the top of two support pieces, the through hole of motor casing bottom plate is aligned with the threaded hole, the first locking piece is inserted into the threaded hole of support piece on the motor casing, the protruding block is inserted into the recess of support piece, and the motor casing is fixed by rotating the first locking piece. The frock can quickly lock the motor casing, can complete the clamping and locking of the motor casing in a short time, and improve the machining efficiency.
[0007] Further, a fixing member is arranged between the two support members, and the fixing member is fixedly connected with the two support members, so that the fixing member strengthens the strength of the support member, and reduces the probability of deformation of the support member under force during processing of the motor housing.
[0008] Further, a limiting block is arranged on the top of each of the two support members, and the limiting block can extend into the circular groove of the motor housing, so that when the motor housing is placed on the support member, the limiting blocks on the two support members extend into the circular grooves at the corresponding positions of the motor housing, the positioning of the motor housing on the support member is achieved, and the first locking member is conveniently installed.
[0009] Further, a reference hole is arranged in the middle of the tooling table, four pressing holes are arranged on the tooling table, the pressing holes are arranged on the upper surface of the tooling table and are located at the middle positions close to each edge, and bolts are arranged in the pressing holes, so that the bolts in the pressing holes can fix the tooling table on the CNC workbench, the connection between the motor housing and the machine tool is achieved, and the reference hole facilitates the positioning of the four pressing holes.
[0010] Further, the fixing mechanism further comprises a second locking member, the second locking member is arranged on the two sides in the opposite direction of the two support members, so that after the limiting block positions the motor housing, there is a gap between the limiting block and the groove of the motor housing, the second locking member can be used to fine-tune the motor housing before fixing, after fine-tuning is completed, the first locking member fixes the motor housing, the second locking member fixes the motor housing again, and the probability of the first locking member being not firmly fixed during processing and causing the processing precision of the motor housing to decrease is reduced.
[0011] Further, the second locking member comprises a support column, a locking rod and a clamping block, the support column is fixedly connected with the tooling table, the locking rod is detachably connected with the tooling table, the axes of the support column and the locking rod are parallel, a first end of the locking rod is provided with an operating part, a second end of the locking rod is provided with a thread, the tooling table is provided with a thread hole matched with the locking rod, the clamping block is provided with a slot hole, the locking rod passes through the slot hole of the clamping block, and the clamping block is movably connected with the locking rod, a first end of the clamping block is located at the top of the support column, and a second end of the clamping block is located at the upper part of the support member, so that after the motor housing is placed on the support member, one end of the clamping block is placed on the support column, the locking rod passes through the slot hole of the clamping block, the operating part of the locking rod is pressed on the bottom plate of the motor housing by rotating the operating part, and the motor housing is fixed, the operation is simple, and the fixing efficiency of the motor housing is improved.
[0012] Further, a gasket is arranged between the operating part and the clamping block, so that the force receiving area of the operating part and the clamping block is increased, and the fixing effect is better.
[0013] Further, the card block is arranged as a rectangular block, and three edges of the card block away from the support on the second end face are provided with chamfers.
[0014] In summary, the utility model has at least one of the following beneficial technical effects:
[0015] 1. By setting four pressing holes on the tooling table, bolts are arranged in the pressing holes, and the bolts in the pressing holes can fix the tooling table on the CNC workbench, realize the connection of the motor shell and the machine tool, and operate quickly and save time.
[0016] 2. By setting the limiting block, the limiting block can extend into the circular groove of the motor shell to position the motor shell, and at the same time ensure that the motor shell does not move during processing, thereby improving the processing precision.
[0017] 3. By setting the second locking member, after the limiting block positions the motor shell, there is a gap between the limiting block and the recess of the motor shell, the second locking member can be adjusted before being fixed, the first locking member fixes the motor shell after the adjustment is completed, the second locking member fixes the motor shell again, and the probability of the first locking member being not fixed firmly during processing and causing the motor shell to have reduced processing precision is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is a structural schematic diagram of the whole application;
[0019] Figure 2 is a structural schematic diagram of the whole application cooperating with the motor shell;
[0020] Figure 3 is a structural schematic diagram of the support of the application;
[0021] Figure 4 is a structural schematic diagram of the locking rod of the application;
[0022] Figure 5 is a structural schematic diagram of the card block of the application;
[0023] Figure 6 is a structural schematic diagram of the motor shell of the application from the first perspective;
[0024] Figure 7 is a structural schematic diagram of the motor shell of the application from the second perspective;
[0025] Mark: 100, tooling table; 110, reference hole; 120, press fitting hole; 200, support; 210, fixing piece; 220, limiting block; 310, first locking piece; 320, second locking piece; 321, support column; 322, locking rod; 323, operation part; 324, clamping block; 325, slot; 326, gasket; 400, motor housing; 410, through hole; 420, circular groove; 430, bottom plate. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be described clearly and completely below through specific, specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Those skilled in the art can easily understand other advantages and effects of the utility model from the contents disclosed in the specification. The utility model can also be implemented or applied through other different specific embodiments, and the following embodiments and features in the embodiments can be combined with each other without conflict. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0027] The utility model discloses a kind of two-order CNC processing tooling suitable for motor housing, refer to Figures 1-7 Further detailed description of the utility model.
[0028] The embodiment discloses a kind of two-order CNC processing tooling suitable for motor housing, refer to Figure 1 , including the tooling table 100 for connecting motor housing 400 and machine tool, the support 200 for motor housing 400 to place and the fixing mechanism for fixing motor housing 400, fixing mechanism includes first locking piece 310 and second locking piece 320, motor housing 400 is placed on the top of two supports 200, first locking piece 310 is fixed on support 200 on motor housing 400 by passing on motor housing 400, rotate first locking piece 310 to fix motor housing 400, tooling can quickly lock motor housing 400, can be completed in short time motor housing 400 clamping and locking, improve processing efficiency.
[0029] In the embodiment, reference hole 110 is arranged in the middle of tooling table 100, four press fitting holes 120 are arranged on tooling table 100, press fitting hole 120 is arranged on the middle position of each edge on the upper surface of tooling table 100, and bolt is arranged in press fitting hole 120. Preferably, the top view shape of tooling table 100 is rectangular.
[0030] In this way, the bolt in press fitting hole 120 can fix tooling table 100 on CNC workbench, realize the connection of motor housing 400 and machine tool, and reference hole 110 facilitates the positioning of four press fitting holes 120.
[0031] Referring to Figure 1 , Figure 3 The embodiment adds the following technical features (the following specific settings are made to the structure of the support 200): two supports 200 are arranged on the tooling table 100 in a central symmetry, the support 200 is fixedly connected with the tooling table 100, a plurality of threaded holes are arranged on the support frame, the first locking piece 310 is threadedly connected on the support frame, recesses are arranged on the opposite sides of the two support frames, the recesses are rectangular recesses, the top view of the support frame is C-shaped, the fixing piece 210 is arranged between the two supports 200, and the fixing piece 210 is fixedly connected with the two supports 200; the limit block 220 is arranged on the top of each of the two supports 200, and the limit block 220 can extend into the circular groove 420 of the motor housing 400.
[0032] In this way, when the motor housing 400 is placed on the support 200, the limit blocks 220 on the two supports 200 extend into the circular grooves 420 at the corresponding positions of the motor housing 400, respectively, so that the positioning of the motor housing 400 on the support 200 is realized, and the installation of the first locking piece 310 is facilitated.
[0033] After the through hole 410 of the bottom plate 430 of the motor housing 400 is aligned with the threaded hole, the first locking piece 310 extends through the threaded hole of the support 200 and into the recess of the support 200 on the motor housing 400, the protruding block extends into the recess of the support 200, and rotating the first locking piece 310 fixes the motor housing 400, so that the tooling can quickly lock the motor housing 400; the fixing piece 210 strengthens the strength of the support 200, and reduces the probability of deformation of the support 200 under the force of the motor housing 400 during processing.
[0034] Referring to Figures 1-2 , Figures 4-5The embodiment adds the following technical features (the following specific settings are made to the structure of the second locking piece 320): the fixing mechanism further comprises two sets of second locking pieces 320, the second locking pieces 320 are arranged on the two sides in the opposite direction of the two supporting pieces 200, the second locking piece 320 comprises a supporting column 321, a locking rod 322 and a clamping block 324, the supporting column 321 is fixedly connected to the tool table 100, the locking rod 322 is detachably connected with the tool table 100, the axes of the supporting column 321 and the locking rod 322 are parallel, the first end of the locking rod 322 is provided with an operation part 323, the second end of the locking rod 322 is provided with a thread, the tool table 100 is provided with a threaded hole matched with the locking rod 322, the clamping block 324 is provided with a slot hole 325, the locking rod 322 passes through the slot hole 325 of the clamping block 324, the clamping block 324 is movably connected with the locking rod 322, the first end of the clamping block 324 is located at the top of the supporting column 321, and the second end of the clamping block 324 is located at the upper part of the supporting piece 200; a gasket 326 is arranged between the operation part 323 and the clamping block 324; the clamping block 324 is arranged in a rectangular block, and three edges of the second end face of the clamping block 324 away from the supporting piece 200 are provided with chamfers.
[0035] In this way, after the limiting block 220 positions the motor shell 400, there is a gap between the limiting block 220 and the groove of the motor shell 400, the motor shell 400 can be finely adjusted before being fixed by the second locking piece 320, after the fine adjustment is completed, the motor shell 400 is fixed by the first locking piece 310, and the motor shell 400 is fixed again by the second locking piece 320, so that the probability that the first locking piece 310 is not firmly fixed during machining and causes the machining precision of the motor shell 400 to decrease is reduced; after the motor shell 400 is placed on the supporting piece 200, one end of the clamping block 324 is placed on the supporting column 321, the locking rod 322 passes through the slot hole 325 of the clamping block 324, the operation part 323 of the locking rod 322 is pressed on the bottom plate 430 of the motor shell 400 by rotating the operation part 323, and the motor shell 400 is fixed, so that the operation is simple, the fixing efficiency of the motor shell 400 is improved, the gasket 326 increases the stress area of the operation part 323 and the clamping block 324, and the fixing effect is better.
[0036] Reference Figure 2 , Figures 6-7 In the embodiment, the motor shell 400 is a complex accessory with a geometric shape, the two opposite sides of the motor shell 400 are parallel, the bottom is provided with an irregular bottom plate 430, the lower surface of the bottom plate 430 is a plane, a plurality of through holes 410 and circular grooves 420 are arranged on the bottom plate 430, and a plurality of protruding blocks are arranged on the lower part of the bottom plate 430.
[0037] The implementation principle of the utility model is:
[0038] The bolt in the pressing hole 120 of the tooling table 100 is fixed on the CNC workbench to realize the connection of the tooling and the machine tool, the motor housing 400 is placed on the top of the two supporting members 200, the limiting blocks 220 on the two supporting members 200 respectively extend into the circular grooves 420 in the corresponding positions of the motor housing 400 to realize the positioning of the motor housing 400 on the supporting members 200, after the limiting blocks 220 position the motor housing 400, one end of the clamping block 324 is placed on the supporting column 321, the locking rod 322 is passed through the slot hole 325 of the clamping block 324 and is rotated into the threaded hole of the tooling table 100, there is a gap between the limiting block 220 and the recess of the motor housing 400, the second locking member 320 can be used to fine-tune the motor housing 400 before being fixed, after the fine-tuning is completed, the operating part 323 is rotated, the operating part 323 on the locking rod 322 is pressed on the bottom plate 430 of the motor housing 400 to realize the fixation of the motor housing 400, after the through hole 410 of the bottom plate 430 of the motor housing 400 is aligned with the threaded hole, the first locking member 310 is passed through and extends into the threaded hole of the supporting member 200 on the motor housing 400, the protruding block extends into the recess of the supporting member 200, the first locking member 310 is rotated to fix the motor housing 400, the tooling can quickly lock the motor housing 400, the secondary fixation of the motor housing 400 is realized, and the probability that the first locking member 310 is not fixed firmly in the machining process and causes the machining precision of the motor housing 400 to decrease is reduced.
[0039] The above are preferred embodiments of the utility model, and do not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.
Claims
1. A two-sequence CNC machining tooling suitable for a motor housing, characterized by, The utility model provides a fixing mechanism, tooling table, support and support frame, the fixing mechanism includes first locking piece, the support is provided with two, two support center symmetry sets up on tooling table, support fixed connection with tooling table, support frame is provided with a plurality of threaded holes, first locking piece is connected in support frame, two support frame opposite side is provided with recess.
2. The two-sequence CNC machining tooling for motor housing according to claim 1, wherein, Two support fixed connection with the fixed part between the support.
3. The two dimensional CNC machining tool suitable for motor housing according to claim 1, wherein, Two support top all is provided with limiting block, limiting block fixed connection with support, limiting block can extend into the round groove of workpiece.
4. The two dimensional CNC machining tool suitable for motor housing according to claim 1, wherein, The middle part of the tooling table is provided with a reference hole, and four pressing holes are arranged on the tooling table.
5. The two dimensional CNC machining tool suitable for motor housing according to claim 1, wherein, The fixing mechanism further comprises a second locking piece, and the second locking piece is arranged on the two sides of the two supports in opposite directions.
6. The two-sequence CNC machining tooling for motor housing according to claim 5, wherein, The second locking piece comprises a supporting column, a locking rod and a clamping block, the supporting column is fixedly connected to the tooling table, the locking rod is detachably connected to the tooling table, the axis of the supporting column and the locking rod is parallel, the first end of the locking rod is provided with an operating part, the second end of the locking rod is provided with a thread, the tooling table is provided with a threaded hole matched with the locking rod, the clamping block is provided with a slot hole, the locking rod passes through the slot hole of the clamping block, the clamping block is movably connected with the locking rod, the first end of the clamping block is located on the top of the supporting column, and the second end of the clamping block is located on the upper part of the support.
7. The two-sequence CNC machining tooling for motor housing according to claim 6, wherein, A gasket is arranged between the operating part and the clamping block.
8. The two-sequence CNC machining tooling for motor housing according to claim 6 or 7, characterized in that, The clamping block is rectangular, and three edges of the second end of the clamping block away from the support are chamfered.