Brake support machining clamp and machining process

Abstract

The invention relates to the technical field of automobile part machining, and provides a brake support machining clamp which comprises a first arc machining procedure and a second opening machining procedure, and the clamp comprises a first clamp body used for the first arc machining procedure and a second clamp body used for the second opening machining procedure. The support is fixed in multiple directions through the first clamp, a workpiece is prevented from moving, machining of the arc positioning face of the support is facilitated, the arc positioning portion of the second positioning piece is matched with the arc positioning face of the support, so that the support is accurately positioned, the machining precision is improved, and the side pressing piece is matched with the lower pressing piece, so that the machining precision is improved. The support is positioned in the horizontal direction and the vertical direction, the support is stably machined without deformation in the machining process, and the size machining precision is guaranteed. The invention further discloses a brake support machining process.

Description

Technical Field

[0001] The invention belongs to the technical field of automobile parts processing, and in particular relates to a brake bracket processing fixture and a processing technology. Background Art

[0002] At present, the relatively traditional processing route of automobile brake brackets is: processing the bracket opening on the vertical machining center, processing the bracket arc on the horizontal milling machine, processing the bracket hole system on the vertical machining center, etc. However, with the development of lightweight automobile industry, a lightweight bracket has emerged. Compared with the traditional bracket, the rear beam of this bracket is disconnected, which greatly reduces the weight of the product. The problem that comes with it is that the processing requirements are very high. The traditional processing procedures and positioning equipment can no longer meet the requirements. The bracket is very easy to be deformed during processing, which affects the dimensional accuracy, especially the size of the opening for installing the friction plate. If there is an error in this size, it will cause problems such as abnormal braking noise in the car, which seriously affects the customer's car experience.

[0003] In order to solve the above technical problems, the present invention designs a processing fixture and processing technology of a brake bracket. Summary of the invention

[0004] The invention provides a brake bracket machining fixture and a machining process, aiming to solve the problems of easy machining deformation and low machining dimensional accuracy of the brake bracket.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a brake bracket processing fixture, the brake bracket processing includes a first-order arc processing process and a second-order opening processing process, the fixture includes a first fixture for the first-order arc processing process and a second fixture for the second-order opening processing process, the first fixture includes a first base and a first supporting seat, a first positioning member, a first clamping member, and a second clamping member arranged on the first base, the first supporting seat is provided with an arc limiting structure, which is constructed to abut against the arc structure of the bracket, and the first positioning member is constructed to abut against an arc structure of the bracket. The first clamping member is arranged opposite to the first positioning member and abuts against the other side of the bracket. The second clamping member clamps the bracket in the horizontal and vertical directions. The second clamp includes a second base and a second support seat and a side clamping member arranged on the second base. The second support seat is provided with a second positioning member and a lower clamping member. The second positioning member is provided with a processed opening and an arc positioning portion. The arc positioning portion is used to position the arc positioning surface of the bracket obtained by the first sequence processing. The side clamping member is constructed to clamp the bracket in the horizontal direction, and the lower clamping member is constructed to clamp the bracket in the vertical direction.

[0006] Based on the above technical solution, the first positioning member includes a positioning plate and a positioning pin, the positioning plate is connected to the first support seat, the positioning pin passes through the positioning plate and is constructed to abut against one side of the bracket.

[0007] Based on the above technical solution, the positioning plate includes a first section and a second section. One end of the first section is connected to the first support seat, and the other end is connected to one end of the second section and a bend is formed at the connection. The other end of the second section extends upward, and the positioning pin is passed through the second section.

[0008] Based on the above technical solution, the first clamping member includes a clamping part and a driving part. One side of the clamping part is constructed to abut against the bracket. The driving part is arranged on the side of the clamping part away from the bracket. It includes a main body and an adjusting rod. The adjusting rod is sequentially passed through the main body and the clamping part. Rotating the adjusting rod can adjust the distance between the clamping part and the main body to clamp the bracket.

[0009] Based on the above technical solution, the second clamping member includes a fixing portion, a main clamping portion and a side clamping portion, the fixing portion is connected to the base, the inner wall surface of the main clamping portion abuts against the top and end of the bracket, and the side surface of the side clamping portion abuts against the side surface of the bracket.

[0010] Based on the above technical solution, the bracket includes a first positioning surface and a second positioning surface that are arranged opposite to each other, one side of the second positioning member abuts against the first positioning surface, and the other side of the second positioning member abuts against the second positioning surface.

[0011] Based on the above technical solution, the side clamping member includes a side clamping pin and an elastic auxiliary pin, which are arranged relatively to each other, and one end of the bracket abuts against the side clamping pin, and the other end abuts against the elastic auxiliary pin.

[0012] Based on the above technical solution, the side pressing member includes a side pressing plate, which is arranged opposite to the second positioning member and presses the bracket in a direction close to the second positioning member.

[0013] Based on the above technical solution, the lower clamping member includes a lower clamping plate, a lower clamping adjustment bolt and an elastic member. The lower clamping adjustment bolt is sequentially passed through the adjusting nut, the lower clamping plate and the elastic member, and inserted into the second support seat. The adjusting nut is rotated to adjust the lower clamping plate to move close to the bracket to clamp the bracket.

[0014] In a second aspect, the present invention provides a brake bracket processing process, which is applied to a processing fixture of the brake bracket described in any one of the above embodiments, and includes the following steps: positioning the brake bracket by a first fixture, and using a horizontal milling machine to process the arc positioning surface and positioning plane of the brake bracket; positioning the brake bracket by a second fixture, and using a vertical machining center to process the brake bracket opening; and using a vertical machining center to process the brake bracket hole system.

[0015] Compared with the related art, the beneficial effects of the present invention are as follows: The present invention positions the brake bracket by setting a first clamp to process the arc of the bracket, sets a first base connected to the vertical machining center, one side of the first support seat is connected to the first base, and the other side is connected to the first positioning member, and the bracket is placed on the first support seat before processing, and the arc limiting structure cooperates with the arc structure of the bracket to limit the freedom of the workpiece, forming the main positioning support frame part of the first clamp, the first clamping member cooperates with the first positioning member to eliminate the gap between the bracket and the first positioning member, and clamps the bracket in the arrangement direction of the first clamping member and the first positioning member. The second clamping member fixes the bracket in multiple directions to prevent the workpiece from moving, which is convenient for processing the arc positioning surface of the bracket.

[0016] The brake bracket is positioned by setting a second clamp to process the bracket opening, a second base is set to be connected to the vertical machining center, one side of the second support seat is connected to the second base, and the other side is connected to the second positioning member and the lower clamping member, the bracket obtained by the first sequence processing is placed on the second support seat, the arc positioning portion of the second positioning member cooperates with the arc positioning surface of the bracket to accurately position the bracket and improve the processing accuracy, and the side clamping member cooperates with the lower clamping member to position the bracket in the horizontal and vertical directions, so that the bracket can be stably processed without deformation during the processing and the dimensional processing accuracy is guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only one embodiment of the present invention, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0018] Figure 1 is a structural schematic diagram of a first clamp provided by the present invention; Figure 2 is a structural schematic diagram of another first clamp provided by the present invention; Figure 3 is a structural schematic diagram of another first clamp provided by the present invention; Figure 4 is a structural schematic diagram of a second clamp provided by the present invention; Figure 5 is a structural schematic diagram of another second clamp provided by the present invention; Figure 6 is a structural schematic diagram of yet another second clamp provided by the present invention; Figure 7 It is a structural schematic diagram of a brake bracket provided by the present invention; Figure 8 is a structural schematic diagram of another brake bracket provided by the present invention; Fig. 9 The present invention provides a flow chart of a brake bracket processing process.

[0019] In the figure: 1, first clamp; 11, first base; 12, first support seat; 13, first positioning member; 131, positioning plate; 1311, first section; 1312, second section; 132, positioning pin; 14, first clamping member; 141, clamping part; 142, driving part; 1421, body; 1422, adjusting rod; 15, second clamping member; 151, fixing part; 152, main clamping part; 153, side clamping part; 2, second clamp; 21, second base Seat; 22, second supporting seat; 23, side clamping member; 231, side clamping pin; 232, elastic auxiliary pin; 233, side clamping plate; 24, second positioning member; 241, processing opening; 242, arc positioning portion; 25, lower clamping member; 251, lower clamping plate; 252, lower clamping adjusting bolt; 253, elastic member; 254, adjusting nut; 3, bracket; 31, arc structure; 32, arc positioning surface; 33, first positioning surface; 34, second positioning surface. DETAILED DESCRIPTION

[0020] The present invention will be further described below in conjunction with the accompanying drawings and examples: Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0023] Combination Figure 1-8 As shown, the embodiment of the present disclosure provides a brake bracket processing fixture, the brake bracket processing includes a first-order arc processing process and a second-order opening processing process, the fixture includes a first fixture 1 for the first-order arc processing process and a second fixture 2 for the second-order opening processing process, the first fixture 1 includes a first base 11 and a first support seat 12, a first positioning member 13, a first clamping member 14, and a second clamping member 15 arranged on the first base 11, the first support seat 12 is provided with an arc limiting structure, and is constructed to abut against the arc structure 31 of the bracket 3, the first positioning member 13 is constructed to abut against one side of the bracket 3, and the first clamping member 15 is Part 14 is arranged opposite to the first positioning part 13, and abuts against the other side of the bracket 3 to clamp the bracket 3 in the horizontal and vertical directions. The second clamp 2 includes a second base 21 and a second support seat 22 and a side clamping member 23 arranged on the second base 21. The second support seat 22 is provided with a second positioning part 24 and a lower clamping member 25. The second positioning part 24 is provided with a processed opening 241 and an arc positioning portion 242. The arc positioning portion 242 is used to position the arc positioning surface 32 of the bracket 3 obtained by the first sequence processing. The side clamping member 23 is constructed to clamp the bracket 3 in the horizontal direction, and the lower clamping member 25 is constructed to clamp the bracket 3 in the vertical direction.

[0024] The brake bracket processing fixture provided by the embodiment of the present invention is adopted, and the brake bracket 3 is positioned by setting the first fixture 1 to process the arc of the bracket 3. A first base 11 is set to be connected to the vertical machining center, one side of the first support seat 12 is connected to the first base 11, and the other side is connected to the first positioning member 13. Before processing, the bracket 3 is placed on the first support seat 12, and the arc limiting structure cooperates with the arc structure 31 of the bracket 3 to limit the freedom of the workpiece, forming the main positioning support frame part of the first fixture 1, the first clamping member 14 cooperates with the first positioning member 13 to eliminate the gap between the bracket 3 and the first positioning member 13, and clamps the bracket 3 in the arrangement direction of the first clamping member 14 and the first positioning member 13. The second clamping member 15 fixes the bracket 3 in multiple directions to prevent the workpiece from moving, which is convenient for processing the arc positioning surface 32 of the bracket 3.

[0025] The brake bracket 3 is positioned by setting a second fixture 2 to process the opening of the bracket 3, a second base 21 is set to be connected to the vertical machining center, one side of the second support seat 22 is connected to the second base 21, and the other side is connected to the second positioning member 24 and the lower clamping member 25, the bracket 3 obtained by the first sequence processing is placed on the second support seat 22, the arc positioning portion 242 of the second positioning member 24 cooperates with the arc positioning surface 32 of the bracket 3, so as to accurately position the bracket 3 and improve the processing accuracy, and the side clamping member 23 cooperates with the lower clamping member 25 to position the bracket 3 in the horizontal and vertical directions, so that the bracket 3 can be stably processed without deformation during the processing and the dimensional processing accuracy is guaranteed.

[0026] Based on the above technical solution, Figure 2 As shown, the first positioning member 13 includes a positioning plate 131 and a positioning pin 132 . The positioning plate 131 is connected to the first support seat 12 . The positioning pin 132 is passed through the positioning plate 131 and is configured to abut against one side of the bracket 3 .

[0027] Before the first arc processing step, the bracket 3 is placed on the inner side of the positioning plate 131, and the distance between the positioning pin 132 and the bracket 3 is adjusted so that the positioning pin 132 abuts against one side of the bracket 3 and the other side abuts against the first clamping member 14. In cooperation with the first clamping member 14, the bracket 3 is fixed in the arrangement direction of the positioning plate 131 and the first clamping member 14.

[0028] Based on the above technical solution, Figure 2 As shown, the positioning plate 131 includes a first section 1311 and a second section 1312. One end of the first section 1311 is connected to the first support seat 12, and the other end is connected to one end of the second section 1312 and a bend is formed at the connection. The other end of the second section 1312 extends upward, and the positioning pin 132 is penetrated through the second section 1312.

[0029] Based on the above technical solution, Figure 2 As shown, the first clamping member 14 includes a clamping portion 141 and a driving portion 142, one side of the clamping portion 141 is constructed to abut against the bracket 3, and the driving portion 142 is arranged on the side of the clamping portion 141 away from the bracket 3, including a main body 1421 and an adjusting rod 1422, the adjusting rod 1422 is sequentially penetrated through the main body 1421 and the clamping portion 141, and rotating the adjusting rod 1422 can adjust the distance between the clamping portion 141 and the main body 1421 to clamp the bracket 3.

[0030] Specifically, the main body 1421 of the driving part 142 is fixed to the first base 11, and a grip rod is provided at the outer end of the adjusting rod 1422, and the grip rod extends along the extension direction of the vertical adjusting rod 1422. The setting of the grip rod can facilitate the rotation of the adjusting rod 1422. During the rotation of the adjusting rod 1422, the clamping part 141 moves closer to or away from the bracket 3 to achieve clamping or loosening of the bracket 3.

[0031] Based on the above technical solution, Figure 2 As shown, the second clamping member 15 includes a fixing portion 151, a main clamping portion 152 and a side clamping portion 153, the fixing portion 151 is connected to the base, the inner wall surface of the main clamping portion 152 abuts against the top and end of the bracket 3, and the side surface of the side clamping portion 153 abuts against the side surface of the bracket 3.

[0032] Specifically, the height of the main clamping portion 152 is higher than the height of the side clamping portion 153 , thereby achieving a more stable clamping effect for the bracket 3 .

[0033] Based on the above technical solution, Figure 7 and Figure 8 As shown, the bracket 3 includes a first positioning surface 33 and a second positioning surface that are arranged opposite to each other. One side of the second positioning member 24 abuts against the first positioning surface 33, and the other side abuts against the second positioning surface.

[0034] Based on the above technical solution, Figure 4 As shown, the side clamping member 23 includes a side clamping pin 231 and an elastic auxiliary pin 232 , and the side clamping pin 231 and the elastic auxiliary pin 232 are arranged opposite to each other. One end of the bracket 3 abuts against the side clamping pin 231 , and the other end abuts against the elastic auxiliary pin 232 .

[0035] When the second clamp 2 fixes the bracket 3, the bracket 3 is placed on the second support seat 22. The side clamping pin 231 and the elastic auxiliary pin 232 cooperate with each other, so that the second clamp 2 can automatically clamp the bracket 3, eliminate the gap between the side clamping pin 231, and limit lateral movement.

[0036] Based on the above technical solution, Figure 4 As shown, the side pressing member 23 includes a side pressing plate 233 , and the side pressing plate 233 is arranged opposite to the second positioning member 24 , and presses the bracket 3 along a direction close to the second positioning member 24 .

[0037] Based on the above technical solution, Figure 4As shown, the lower clamping member 25 includes a lower clamping plate 251, a lower clamping adjusting bolt 252 and an elastic member 253. The lower clamping adjusting bolt 252 is sequentially passed through the adjusting nut 254, the lower clamping plate 251 and the elastic member 253, and inserted into the second support seat 22. The adjusting nut 254 rotates to adjust the lower clamping plate 251 to move close to the bracket 3 to clamp the bracket 3.

[0038] Specifically, the lower clamping plate 251 cooperates with the arc positioning portion 242 of the second positioning member 24 to lock the bracket 3 therebetween, thereby achieving stable clamping of the bracket 3 in the upper and lower vertical directions.

[0039] Combination Fig. 9 As shown, an embodiment of the present disclosure provides a processing technology for a brake bracket, which is applied to a processing fixture for a brake bracket in any one of the above embodiments, and includes the following steps: S901, positioning the brake bracket 3 by the first fixture 1, and machining the arc positioning surface 32 and the positioning plane of the brake bracket 3 by a horizontal milling machine; S902, positioning the brake bracket 3 by the second fixture 2, and machining the opening of the brake bracket 3 by using a vertical machining center machine tool; S903, use vertical machining center to process 3 hole system of brake bracket.

[0040] The brake bracket processing technology provided by the embodiment of the present disclosure, compared with the traditional processing sequence, first processes the arc of the brake bracket 3, and uses the arc positioning surface 32 obtained by the first-order processing to position the bracket during the second-order processing opening process, thereby avoiding deformation of the product during the processing opening, ensuring the product quality of the brake, and improving the overall performance of the brake.

[0041] The present invention is described above by way of examples, but the present invention is not limited to the above specific embodiments, and any changes or modifications made based on the present invention belong to the scope of protection claimed by the present invention.

Claims

1. A brake bracket processing fixture, characterized in that: The processing of the brake bracket includes a first-order arc processing step and a second-order opening processing step. The fixture includes a first fixture for the first-order arc processing step and a second fixture for the second-order opening processing step. The first fixture includes a first base and a first support seat, a first positioning member, a first clamping member, and a second clamping member arranged on the first base. The first support seat is provided with an arc limiting structure and is constructed to abut against the arc structure of the bracket. The first positioning member is constructed to abut against one side of the bracket. The first clamping member is arranged opposite to the first positioning member and abuts against the other side of the bracket. The second clamping member clamps the bracket in the horizontal and vertical directions. The second fixture includes a second base and a second support seat and a side clamping member arranged on the second base. The second support seat is provided with a second positioning member and a lower clamping member. The second positioning member is provided with a processing opening and an arc positioning portion. The arc positioning portion is used to position the arc positioning surface of the bracket obtained by the first-order processing. The side clamping member is constructed to press the bracket in the horizontal direction, and the lower clamping member is constructed to press the bracket in the vertical direction.

2. The brake bracket processing fixture according to claim 1, characterized in that: The first positioning member includes a positioning plate and a positioning pin, the positioning plate is connected to the first support seat, and the positioning pin is penetrated through the positioning plate and is configured to abut against one side of the bracket.

3. The brake bracket processing fixture according to claim 2, characterized in that: The positioning plate includes a first section and a second section. One end of the first section is connected to the first support seat, and the other end is connected to one end of the second section and a bend is formed at the connection. The other end of the second section extends upward, and the positioning pin is penetrated through the second section.

4. The brake bracket processing fixture according to claim 1, characterized in that: The first clamping member includes a clamping portion and a driving portion, one side of the clamping portion is constructed to abut against the bracket, and the driving portion is arranged on the side of the clamping portion away from the bracket, including a main body and an adjusting rod, and the adjusting rod is sequentially passed through the main body and the clamping portion, and rotating the adjusting rod can adjust the distance between the clamping portion and the main body to clamp the bracket.

5. The brake bracket processing fixture according to claim 1, characterized in that: The second clamping member includes a fixing portion, a main clamping portion and a side clamping portion, the fixing portion is connected to the base, the inner wall surface of the main clamping portion abuts against the top and end of the bracket, and the side surface of the side clamping portion abuts against the side surface of the bracket.

6. The brake bracket processing fixture according to any one of claims 1 to 5, characterized in that: The bracket comprises a first positioning surface and a second positioning surface which are arranged opposite to each other. One side of the second positioning member abuts against the first positioning surface, and the other side abuts against the second positioning surface.

7. The brake bracket processing fixture according to any one of claims 1 to 5, characterized in that: The side clamping member comprises a side clamping pin and an elastic auxiliary pin, the side clamping pin and the elastic auxiliary pin are arranged opposite to each other, one end of the bracket abuts against the side clamping pin, and the other end abuts against the elastic auxiliary pin.

8. The brake bracket processing fixture according to any one of claims 1 to 5, characterized in that: The side pressing member includes a side pressing plate, which is arranged opposite to the second positioning member and presses the bracket in a direction close to the second positioning member.

9. The brake bracket processing fixture according to any one of claims 1 to 5, characterized in that: The lower clamping member includes a lower clamping plate, a lower clamping adjustment bolt and an elastic member. The lower clamping adjustment bolt is sequentially passed through the adjusting nut, the lower clamping plate and the elastic member and inserted into the second support seat. The adjusting nut is rotated to adjust the lower clamping plate to move close to the bracket to clamp the bracket.

10. A brake bracket machining process, applied to the brake bracket machining fixture according to any one of claims 1 to 9, characterized in that: The following steps are involved: The brake bracket is positioned by a first fixture, and the arc positioning surface and the positioning plane of the brake bracket are processed by a horizontal milling machine; The brake bracket is positioned by a second fixture, and the brake bracket opening is machined using a vertical machining center machine tool; Use a vertical machining center to machine the brake bracket hole system.

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