Fixing clamp for numerical control machining of brake disc

By designing a fixed fixture for CNC machining of brake discs, the problem of CNC machining center lacking axial compression action when machining brake discs is solved, and higher drilling accuracy and lower residual rate are achieved.

CN222919663UActive Publication Date: 2025-05-30CHONGQING YIAN AUTO PARTS CO LTD
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Patent Information

Application Number
CN202421345972.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-13
Publication Date
2025-05-30
Estimated Expiration
2034-06-13

AI Technical Summary

Technical Problem

The existing CNC machining center drilling machine lacks axial compression effect when processing brake discs, resulting in poor limiting effect, inaccurate drilling accuracy and high residual rate.

Method used

A fixed fixture for CNC machining of brake discs is designed, including a box, a drilling device and a fixing assembly. The fixing assembly includes a telescopic rod, a placement block, a drive member, a fixing frame, a moving member and a pressing plate, through which the stable fixation of the brake disc and adaptation to different thicknesses are achieved.

Benefits of technology

Through the use of this fixing fixture, the brake disc is stabilized, the drilling accuracy is improved, and the residual rate is reduced.

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Abstract

The utility model relates to the technical field of numerical control machining, in particular to a fixing clamp for numerical control machining of a brake disc, which comprises a box body, a drilling device and a fixing assembly, the drilling device is arranged above the box body, the fixing assembly comprises a telescopic rod, a placing block, a driving component, a fixing frame, a moving component and a pressing plate, and the telescopic rod is fixedly connected with the box body. The placing block is fixedly connected with the telescopic rod and located on the side, away from the drilling device, of the box body, the fixing frame is connected with the box body through a driving component, the driving component drives the fixing frame to move, the pressing plate is connected with the fixing frame through a moving component, and the moving component drives the pressing plate to move. And the brake disc can be fixed more stably, so that the drilling precision is improved, and the defect rate is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of numerical control machining, in particular to a fixing fixture for numerical control machining of brake discs. Background Technique

[0002] Drilling in a numerical control machining center is very common on a machine tool. In the existing numerical control machining center drilling, the drilled parts are often fixedly installed, which is not convenient for later disassembly.

[0003] In the existing patent technology CN214815052U, a numerical control machining center drilling is described, which includes support columns, a first threaded rod and a second threaded rod. The support columns are symmetrically arranged on the left and right, and a workbench is provided between the two support columns. A drilled part is provided on the upper side of the workbench, a first motor is provided at the upper end of the drilled part, an installation block is provided at the upper end of the first motor, a fixing block is provided at the upper end of the installation block, a second through groove is provided at the lower end of the fixing block corresponding to the installation block, and a second threaded rod is provided in the second through groove. When the utility model is used, the mold of the numerical control machining center is placed on the workbench, the first motor is started to drive the drilled part to rotate, and at the same time, the second motor is started to drive the first threaded rod to rotate. The first threaded rod drives the support rod, the fixing block and the drilled part to move up and down, so as to facilitate the drilling process of the mold.

[0004] When this drilling machine is used to produce brake discs, there is no axial pressing effect on the brake disc workpiece, and the limiting effect on the brake disc workpiece is not good, resulting in inaccurate drilling accuracy and a high rejection rate. Content of the Utility Model

[0005] The purpose of the utility model is to provide a fixing fixture for numerical control machining of brake discs, which solves the problem that when this drilling machine is used to produce brake discs, there is no axial pressing effect on the brake disc workpiece, and the limiting effect on the brake disc workpiece is not good, resulting in inaccurate drilling accuracy and a high rejection rate.

[0006] To achieve the above purpose, the utility model provides a fixing fixture for numerical control machining of brake discs, which includes a box body, a drilling device and a fixing component. The drilling device is installed above the box body. The fixing component includes a telescopic rod, a placing block, a driving component, a fixing frame, a moving component and a pressing plate. The telescopic rod is fixedly connected to the box body and is located on the side of the box body away from the drilling device. The placing block is fixedly connected to the telescopic rod and is located on the side of the telescopic rod away from the box body. The fixing frame is connected to the box body through the driving component, and the driving component drives the fixing frame to move. The pressing plate is connected to the fixing frame through the moving component, and the moving component drives the pressing plate to move.

[0007] Wherein, the driving member includes a fixed block, a first hydraulic rod, and a connecting element. The fixed block is fixedly connected to the box body and is located on the side of the box body away from the telescopic rod. The first hydraulic rod is fixedly connected to the fixed block and is located on the side of the fixed block away from the box body. The connecting element is mounted on the first hydraulic rod, and the connecting element supports the fixed frame.

[0008] Wherein, the connecting element includes a connecting plate and a fixed seat. The connecting plate is fixedly connected to the first hydraulic rod and is located at one end of the first hydraulic rod away from the fixed block. The fixed seat is fixedly connected to the connecting plate and is located on the side of the connecting plate away from the first hydraulic rod and is connected to the fixed frame.

[0009] Wherein, the moving member includes a mounting frame and a second hydraulic rod. The mounting frame is fixedly connected to the fixed frame and is located on the side of the fixed frame away from the fixed seat. The second hydraulic rod is fixedly connected to the mounting frame and is located on the side of the mounting frame close to the fixed frame and partially extends into the inner side of the fixed frame.

[0010] Wherein, the fixing assembly further includes a support rod and a sliding block. The support rod is fixedly connected to the fixed frame and is located on the side of the fixed frame away from the mounting frame. The sliding block is fixedly connected to the support rod and is located on the side of the support rod away from the fixed frame and abuts against the box body.

[0011] A fixing jig for numerically controlled machining of a brake disc according to the present utility model. The telescopic rod is installed on the side of the box body away from the drilling device through bolts, and the placing block is installed at the output end of the telescopic rod through bolts. The up and down movement of the placing block is controlled by the telescopic rod, and the brake disc to be machined is placed through the placing block. The fixed frame is installed on the side of the box body through the driving member. The number of the fixed frames is two. The fixed frames are driven to move through the driving member, so that the two fixed frames fix the brake disc. The pressing plate is installed on the fixed frame through the moving member. The pressing plate is driven to move through the moving member, so that the pressing plate fixes the brake disc more stably on the fixed frame. At the same time, it is also convenient for machining brake discs with different thicknesses, thereby realizing more stable fixation of the brake disc, improving the drilling accuracy, and reducing the defective rate. Description of the Drawings

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art.

[0013] Figure 1It is a schematic diagram of the overall structure of a fixed fixture for numerically controlled machining of a brake disc according to the first embodiment of the present utility model.

[0014] Figure 2 It is a schematic diagram of the installation of the fixed frame and the pressing plate according to the first embodiment of the present utility model.

[0015] Figure 3 It is a schematic diagram of the installation of the support rod and the sliding block according to the second embodiment of the present utility model.

[0016] In the figure: 100 - box body, 101 - drilling device, 102 - telescopic rod, 103 - placing block, 104 - fixed frame, 105 - pressing plate, 106 - fixed block, 107 - first hydraulic rod, 108 - connecting plate, 109 - fixed seat, 110 - mounting bracket, 111 - second hydraulic rod, 212 - support rod, 213 - sliding block. Detailed implementation manners

[0017] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present utility model, and should not be construed as a limitation to the present utility model.

[0018] The first embodiment of the present application is as follows:

[0019] Please refer to Figure 1 and Figure 2 , Figure 1 It is a schematic diagram of the overall structure of a fixed fixture for numerically controlled machining of a brake disc according to the first embodiment of the present utility model, Figure 2 It is a schematic diagram of the installation of the fixed frame and the pressing plate according to the first embodiment of the present utility model.

[0020] The present utility model provides a fixed fixture for numerically controlled machining of a brake disc, including a box body 100, a drilling device 101 and a fixing component. The fixing component includes a telescopic rod 102, a placing block 103, a driving member, a fixed frame 104, a moving member and a pressing plate 105. The driving member includes a fixed block 106, a first hydraulic rod 107 and a connecting element. The connecting element includes a connecting plate 108 and a fixed seat 109. The moving member includes a mounting bracket 110 and a second hydraulic rod 111. By this solution, when this drill press is used for producing brake discs, there is no axial pressing effect on the brake disc workpieces, and the limiting effect on the brake disc workpieces is not good, resulting in inaccurate drilling accuracy and a high rejection rate. It can also make the fixed frame 104 more stably support the brake disc.

[0021] For this specific embodiment, the drilling device 101 is installed above the box body 100. The drilling device 101 is a drilling structure described in the existing patent technology CN214815052U, a drilling in a numerical control machining center. The drilling device 101 is installed above the interior of the box body 100. The parts are drilled through the drilling device 101. Through this solution, the brake disc can be fixed more stably, thereby improving the drilling accuracy and reducing the defective rate.

[0022] Among them, the telescopic rod 102 is fixedly connected to the box body 100 and is located on the side of the box body 100 away from the drilling device 101. The placing block 103 is fixedly connected to the telescopic rod 102 and is located on the side of the telescopic rod 102 away from the box body 100. The fixed frame 104 is connected to the box body 100 through the driving member. The driving member drives the fixed frame 104 to move. The pressing plate 105 is connected to the fixed frame 104 through the moving member. The moving member drives the pressing plate 105 to move. The telescopic rod 102 is an electric telescopic rod described in the existing patent technology CN117846448A. The telescopic rod 102 is installed on the side of the box body 100 away from the drilling device 101 through bolts. The placing block 103 is installed at the output end of the telescopic rod 102 through bolts. The up and down movement of the placing block 103 is controlled through the telescopic rod 102. The brake disc to be processed is placed through the placing block 103. The fixed frame 104 is installed on the side of the box body 100 through the driving member. The number of the fixed frames 104 is two. The fixed frames 104 are driven to move through the driving member, so that the two fixed frames 104 fix the brake disc. The pressing plate 105 is installed on the fixed frame 104 through the moving member. The pressing plate 105 is driven to move through the moving member, so that the pressing plate 105 fixes the brake disc more stably on the fixed frame 104. At the same time, it is also convenient to process brake discs of different thicknesses, thereby realizing more stable fixation of the brake disc, improving the drilling accuracy and reducing the defective rate.

[0023] Secondly, the fixed block 106 is fixedly connected to the box body 100 and is located on the side of the box body 100 away from the telescopic rod 102; the first hydraulic rod 107 is fixedly connected to the fixed block 106 and is located on the side of the fixed block 106 away from the box body 100; the connecting element is installed on the first hydraulic rod 107, and the connecting element supports the fixed frame 104. The fixed block 106 is installed on the side surface of the box body 100 by bolts, and the first hydraulic rod 107 is installed on the side of the fixed block 106 away from the box body 100 by bolts. Through the fixed block 106, the first hydraulic rod 107 is stably installed on the box body 100. The fixed frame 104 is installed on the first hydraulic rod 107 through the connecting element, and the first hydraulic rod 107 drives the fixed frame 104 to move through the connecting element, so that the fixed frame 104 can fix the brake disc.

[0024] Meanwhile, the connecting plate 108 is fixedly connected to the first hydraulic rod 107 and is located at one end of the first hydraulic rod 107 away from the fixed block 106; the fixed seat 109 is fixedly connected to the connecting plate 108 and is located on the side of the connecting plate 108 away from the first hydraulic rod 107 and is connected to the fixed frame 104. The connecting plate 108 is installed at the output end of the first hydraulic rod 107 by bolts, the fixed seat 109 is installed on the side of the connecting plate 108 away from the first hydraulic rod 107 by bolts, and the fixed frame 104 is installed on the fixed seat 109 by bolts, so that the fixed frame 104 can be stably installed on the first hydraulic rod 107.

[0025] In addition, the mounting bracket 110 is fixedly connected to the fixed frame 104 and is located on the side of the fixed frame 104 away from the fixed seat 109; the second hydraulic rod 111 is fixedly connected to the mounting bracket 110 and is located on the side of the mounting bracket 110 close to the fixed frame 104 and partially extends into the inside of the fixed frame 104. The mounting bracket 110 is installed above the fixed frame 104 by bolts, the second hydraulic rod 111 is installed on the mounting bracket 110 by bolts, and the output end of the second hydraulic rod 111 extends into the inside of the fixed frame 104 to be connected to the pressing plate 105. The second hydraulic rod 111 drives the pressing plate 105 to move, so that the pressing plate 105 abuts against the brake disc, and the brake disc is more stably fixed on the fixed frame 104.

[0026] Using a fixed fixture for numerically controlled machining of a brake disc according to this embodiment, after placing the brake disc on the placement block 103, start the first hydraulic rod 107. By means of the first hydraulic rod 107, move the fixed frame 104 towards the side close to the brake disc, so that the edge of the brake disc is located inside the fixed frame 104. At this time, the telescopic rod 102 drives the placement block 103 to move downward, and at the same time the second hydraulic rod 111 drives the pressing plate 105 to move downward, making the pressing plate 105 abut against the brake disc, thereby achieving more stable fixation of the brake disc, improving the drilling accuracy, and reducing the defective rate.

[0027] The second embodiment of this application is as follows:

[0028] On the basis of the first embodiment, please refer to Figure 3 , Figure 3 which is a schematic installation diagram of the support rod and the sliding block of the second embodiment of the present utility model.

[0029] The fixed component of this embodiment further includes a support rod 212 and a sliding block 213.

[0030] Among them, the support rod 212 is fixedly connected to the fixed frame 104 and is located on the side of the fixed frame 104 away from the mounting frame 110; the sliding block 213 is fixedly connected to the support rod 212 and is located on the side of the support rod 212 away from the fixed frame 104 and abuts against the box body 100. The support rod 212 is installed on the side of the fixed frame 104 away from the mounting frame 110 by bolts, and the sliding block 213 is installed on the support rod 212 by bolts and makes the sliding block 213 abut against the box body 100, enabling the sliding block 213 to slide on the box body 100. Through the cooperation of the sliding block 213 and the support rod 212, an upward supporting force is provided for the fixed frame 104, avoiding the situation that the first hydraulic rod 107 bends during the drilling process.

[0031] Using a fixed fixture for numerically controlled machining of a brake disc according to this embodiment, during the movement of the fixed frame 104, the sliding block 213 drives the support rod 212 to slide on the box body 100. When the fixed frame 104 fixes the brake disc, through the cooperation of the sliding block 213 and the support rod 212, an upward supporting force is provided for the fixed frame 104, avoiding the situation that the first hydraulic rod 107 bends during the drilling process, and thus improving the service life of the first hydraulic rod 107.

[0032] The above disclosure is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present application still fall within the scope covered by the present application.

Claims

1. A fixing fixture for CNC machining of brake discs, comprising a box and a drilling device, wherein the drilling device is installed above the box, and is characterized in that: Also included are fixing components; The fixing assembly includes a telescopic rod, a placement block, a driving member, a fixing frame, a moving member and a pressing plate. The telescopic rod is fixedly connected to the box and is located on a side of the box away from the drilling device. The placement block is fixedly connected to the telescopic rod and is located on a side of the telescopic rod away from the box. The fixing frame is connected to the box through the driving member, and the driving member drives the fixing frame to move. The pressing plate is connected to the fixing frame through the moving member, and the moving member drives the pressing plate to move.

2. The fixing fixture for CNC machining of brake discs according to claim 1, characterized in that: The driving component includes a fixed block, a first hydraulic rod and a connecting element. The fixed block is fixedly connected to the box body and is located on a side of the box body away from the telescopic rod; the first hydraulic rod is fixedly connected to the fixed block and is located on a side of the fixed block away from the box body; the connecting element is installed on the first hydraulic rod, and the connecting element supports the fixed frame.

3. The fixing fixture for CNC machining of brake discs as claimed in claim 2, characterized in that: The connecting element includes a connecting plate and a fixing seat, wherein the connecting plate is fixedly connected to the first hydraulic rod and is located at an end of the first hydraulic rod away from the fixing block; the fixing seat is fixedly connected to the connecting plate and is located on a side of the connecting plate away from the first hydraulic rod and is connected to the fixing frame.

4. The fixing fixture for numerical control machining of brake discs as claimed in claim 3, characterized in that: The movable member includes a mounting frame and a second hydraulic rod. The mounting frame is fixedly connected to the fixed frame and is located on a side of the fixed frame away from the fixed seat. The second hydraulic rod is fixedly connected to the mounting frame and is located on a side of the mounting frame close to the fixed frame and partially extends into the inner side of the fixed frame.

5. The fixing fixture for numerical control machining of brake discs as claimed in claim 4, characterized in that: The fixing assembly also includes a support rod and a sliding block, wherein the support rod is fixedly connected to the fixing frame and is located on a side of the fixing frame away from the mounting frame; the sliding block is fixedly connected to the support rod and is located on a side of the support rod away from the fixing frame and abuts against the box body.

Citation Information

Patent Citations

  • Electric telescopic rod

    CN117846448A

  • Drilling hole of numerical control machining center

    CN214815052U