A double cutter face milling positioning tool for thrust rod support
By using a double-cutter milling positioning fixture with an upper thrust rod support and employing simultaneous machining with two milling cutters, the problems of low efficiency and difficulty in guaranteeing accuracy in existing technologies are solved, achieving efficient and precise machining results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HEFEI MINGHUI AUTO PARTS MFG CO LTD
- Filing Date
- 2025-06-24
- Publication Date
- 2026-06-05
AI Technical Summary
The existing upper thrust rod bracket has low processing efficiency, requiring two fixing and two milling processes, making it difficult to guarantee processing accuracy.
Design a double-cutter milling positioning fixture for upper thrust rod bracket. The fixture uses two milling cutters to move and rotate synchronously, so as to complete the milling and chamfering of the two end surfaces in one fixed operation.
This improved processing efficiency, ensured processing accuracy, and enabled the one-time completion of processing on both end surfaces.
Smart Images

Figure CN224322405U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of upper thrust rod bracket processing tooling, specifically a double-blade milling surface positioning tooling for upper thrust rod bracket. Background Technology
[0002] The upper thrust rod bracket, as an important component for assembling the thrust rod, is usually cast. See [link / reference]. Figure 5 The existing thrust rod bracket 3 mainly includes a main body 31 and two ends 32. The thrust rod bracket 3, which is formed by casting, needs to be machined, including milling the two sides of the two ends 32.
[0003] Currently, after fixing the main body 31 to the machine tool table using a fixture or tooling, the machine tool is started. The milling cutter rotates under the drive of the machine tool spindle. Simultaneously, a servo motor drives the ball screw to rotate, which in turn drives the machine tool table or spindle box to move laterally, thus moving the milling cutter laterally to mill one side surface of each of the two end heads 32 in sequence. After completion, the main body 31 is rotated 180° and fixed again, and the other side surface of each of the two end heads 32 is milled in sequence following the same process. It can be seen that two fixing and two milling operations are required to complete the operation. Obviously, the processing efficiency is low, and the repeated fixing makes it difficult to guarantee the processing accuracy. Utility Model Content
[0004] The purpose of this invention is to overcome the defects and deficiencies of the existing technology and provide a double-blade milling positioning fixture for the upper thrust rod bracket. It can complete the milling and chamfering of both ends in one go with only one fixing, thereby improving processing efficiency and ensuring processing accuracy.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A double-blade milling positioning fixture for an upper thrust rod bracket includes a base plate, characterized in that: a vertical plate is fixedly connected to the base plate, the front side of the vertical plate is a mounting surface for detachably mounting the upper thrust rod bracket, the vertical plate and the main body of the upper thrust rod bracket are both perpendicular to the base plate, and the two ends of the upper thrust rod bracket are both parallel to the base plate.
[0007] Furthermore, the upright plate is provided with first screw holes on its front and rear sides, and the main body is provided with second screw holes. Locking bolts are screwed into the second screw holes and the first screw holes from the outside to the inside in sequence to fix the main body to the mounting surface of the upright plate.
[0008] Furthermore, a double milling cutter moves synchronously from one side of the two ends to the other and rotates synchronously to perform synchronous milling on both sides of the two ends in sequence.
[0009] Furthermore, the double milling cutter includes two disc-shaped milling cutters and a vertical shaft. The two disc-shaped milling cutters are arranged vertically and parallel to each other, and are fixedly mounted on the vertical shaft.
[0010] Furthermore, the outer edge of the bottom end of the upper disc milling cutter and the outer edge of the top end of the lower disc milling cutter are both provided with arc-shaped chamfers, which are used to simultaneously mill and chamfer the two side surfaces of the two ends in sequence.
[0011] Compared with the prior art, the beneficial effects of this utility model are:
[0012] This invention detachably mounts the upper thrust rod bracket onto a vertical plate perpendicular to the base plate, keeping both ends of the upper thrust rod bracket parallel to the base plate. It employs a double milling cutter system, with the upper and lower disc-shaped milling cutters moving synchronously from one side of each end to the other and rotating synchronously. This allows for simultaneous milling and chamfering of both ends' surfaces in a single, fixed operation, effectively improving processing efficiency and ensuring processing accuracy. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the structure of this utility model.
[0014] Figure 2 This is a schematic diagram of the structure of the present invention during milling. Figure 1 .
[0015] Figure 3 This is a schematic diagram of the structure of the present invention during milling. Figure 2 .
[0016] Figure 4 for Figure 3 Enlarged structural diagram of part A.
[0017] Figure 5 This is a schematic diagram of the upper thrust rod support structure in this utility model. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0019] See Figure 1-5A double-blade milling positioning fixture for an upper thrust rod bracket includes a base plate 1 fixedly connected to a machine tool worktable, a vertical plate 2 fixedly connected to the base plate 1, the front side of the vertical plate 2 being a mounting surface for detachably mounting an upper thrust rod bracket 3, the main body 31 of both the vertical plate 2 and the upper thrust rod bracket 3 being perpendicular to the base plate 1, and the two ends 32 of the upper thrust rod bracket 31 being parallel to the base plate 1.
[0020] In this utility model, the upright plate 2 is provided with first screw holes 4 on its front and rear sides, and the main body 31 is provided with second screw holes 5 (processed by the previous process). Locking bolts 6 are screwed into the second screw hole 5 and the first screw hole 4 from the outside to the inside in sequence, so as to fix the main body 31 to the mounting surface of the upright plate 2.
[0021] It should be noted that there are four first screw holes 4, which are symmetrically distributed at the four corners on the front side of the upright plate 2, i.e. the mounting surface; there are six second screw holes 5. During installation, only two locking bolts 6 are needed. They are screwed into the two second screw holes 5 and the two first screw holes 4, which are distributed diagonally from the outside to the inside. This not only securely fixes the main body 31 to the mounting surface of the upright plate 2, but also makes the installation convenient and quick.
[0022] In this invention, a double milling cutter 7 moves synchronously from one side of the two ends to the other side and rotates synchronously, thereby realizing the synchronous milling of the two side surfaces of the two ends 32 in sequence.
[0023] Specifically, the double end mill 7 includes two disc-shaped end mills 71 and 72 and a vertical shaft 73. The two disc-shaped end mills 71 and 72 are arranged vertically and parallel to each other, and are fixedly mounted on the vertical shaft 73.
[0024] The vertical shaft 73 is connected to the machine tool spindle (not shown in the figure) and rotates under the drive of the machine tool spindle, thereby driving the two disc milling cutters 71 and 72 to rotate synchronously. At the same time, the ball screw (not shown in the figure) is driven by the servo motor (not shown in the figure) to rotate, thereby driving the machine tool worktable or spindle box (not shown in the figure) to move laterally, so as to drive the two disc milling cutters 71 and 72 to move laterally synchronously, thereby realizing the synchronous milling of the two side surfaces of the two ends 32 in sequence.
[0025] It should be noted that the axial milling depth (the distance between the two disc milling cutters 71 and 72) of the two disc milling cutters 71 and 72 needs to be set according to the required thickness of the milled part on both sides of each end 32, and the radial milling depth of the two disc milling cutters 71 and 72 at each end 32 needs to be set according to the required length of the milled part on both sides of each end 32.
[0026] In this invention, the bottom outer edge of the upper disc milling cutter 71 and the top outer edge of the lower disc milling cutter 72 are both provided with arc-shaped chamfers 74, so as to realize the simultaneous milling and chamfering of the two side surfaces of the two ends 32 in sequence.
[0027] It should be noted that the radius of the arc chamfer 74 needs to be set according to the radius of the chamfered part on both sides of each end 32.
[0028] The present invention will be further described below with reference to the accompanying drawings:
[0029] In use, first place the main body 31 against the front side (mounting surface) of the upright plate 2, and screw the two locking bolts 6 into the two second screw holes 5 and the two first screw holes 4 that are diagonally distributed from the outside to the inside, so as to fix the main body 31 to the mounting surface of the upright plate 2.
[0030] At this time, the upright plate 2 and the main body 31 are both perpendicular to the base plate 1, that is, perpendicular to the machine tool worktable, and the two ends 32 of the upper thrust rod bracket 31 are both parallel to the base plate 1, that is, parallel to the machine tool worktable.
[0031] Then, the machine tool is started. The vertical axis 73 rotates under the drive of the machine tool spindle, which in turn drives the two disc milling cutters 71 and 72 to rotate synchronously. At the same time, the ball screw is driven by the servo motor to rotate, which in turn drives the machine tool worktable or spindle box to move laterally. This enables the two disc milling cutters 71 and 72 to move synchronously from one side of the two ends 32 to the other side, so as to perform synchronous milling and chamfering on both sides of the two ends 32 in sequence. Finally, two parallel planes 8 and two arc-shaped chamfers 9 are formed on both sides of the two ends 32 in one operation.
[0032] Although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
[0033] Therefore, the above description is only a preferred embodiment of this application and is not intended to limit the scope of this application; that is, all equivalent modifications made in accordance with the scope of the claims of this application shall be within the protection scope of the claims of this application.
Claims
1. A double-blade milling positioning fixture for an upper thrust rod bracket, comprising a base plate, characterized in that: A vertical plate is fixedly connected to the base plate. The front side of the vertical plate is a mounting surface for detachably mounting the upper thrust rod bracket. The main bodies of the vertical plate and the upper thrust rod bracket are both perpendicular to the base plate, and the two ends of the upper thrust rod bracket are parallel to the base plate.
2. The double-blade milling positioning fixture for an upper thrust rod bracket according to claim 1, characterized in that: The upright plate is provided with first screw holes on its front and rear sides, and the main body is provided with second screw holes. Locking bolts are screwed into the second screw holes and the first screw holes from the outside to the inside in sequence to fix the main body to the mounting surface of the upright plate.
3. The double-blade milling positioning fixture for an upper thrust rod bracket according to claim 1, characterized in that: A double milling cutter moves synchronously from one side of the two ends to the other and rotates synchronously to perform synchronous milling on both sides of the two ends in sequence.
4. The double-blade milling positioning fixture for an upper thrust rod bracket according to claim 3, characterized in that: The double end mill includes two disc-shaped end mills and a vertical shaft. The two disc-shaped end mills are arranged vertically and parallel to each other, and are fixedly mounted on the vertical shaft.
5. The double-blade milling positioning fixture for an upper thrust rod bracket according to claim 4, characterized in that: The outer edge of the bottom end of the upper disc milling cutter and the outer edge of the top end of the lower disc milling cutter are both provided with arc-shaped chamfers, which are used to simultaneously mill and chamfer the two side surfaces of the two ends in sequence.