Numerical control machining tool for middle connecting seat for subway
By designing the synchronous movement of the threaded rod control panel and the control rod, multi-point simultaneous processing of the subway connecting seat workpiece is achieved, solving the problem of low efficiency in the existing technology, and improving processing efficiency and equipment stability.
Patent Information
- Application Number
- CN202421675610.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-16
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-07-16
AI Technical Summary
The existing CNC lathes are less efficient when processing subway connecting seats, and require the different connection points of the workpiece to be aligned multiple times for processing.
A CNC machining tool for the intermediate connecting seat for subway is designed, using a threaded rod to drive the control plate and the control rod to move, four positioning parts fix the workpiece at the same time, and multiple processing tools are driven by the cylinder to synchronize.
The workpiece is processed simultaneously by multiple connection points, which improves processing efficiency, reduces the probability of workpiece skew and enhances equipment stability.
Smart Images

Figure CN223160493U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of numerical control machining, and particularly to a numerical control machining tooling for an intermediate connecting seat for a subway. Background Art
[0002] Between subway carriages, two couplers are relied on to connect with each other. There are two connecting seats between the two couplers. A plurality of connection points are provided on the connecting seats, so that the two connecting seats are butted against each other, and the two connecting seats are connected together by relying on the plurality of connection points. A numerical control machining tooling refers to the general term of various jigs, cutting tools and auxiliary devices for fixing, clamping, positioning, supporting, cutting, etc. when machining workpieces on a numerical control lathe. The tooling is an important part of the numerical control lathe machining, and its quality and use effect directly affect the machining quality and production efficiency.
[0003] However, when the existing numerical control lathes machine workpieces, most of them first fix the workpiece, machine one connection point of the workpiece, and then rotate the workpiece to align other connection points of the workpiece with the machining tool, and then machine the remaining connection points of the workpiece. It takes many repetitions to finish machining the workpiece, resulting in low efficiency. Summary of the Utility Model
[0004] (1) Technical Problems to be Solved
[0005] In view of the deficiencies of the prior art, the utility model provides a numerical control machining tooling for an intermediate connecting seat for a subway to solve the problem of low efficiency proposed in the background art.
[0006] (2) Technical Solutions
[0007] To achieve the above object, the utility model provides the following technical solution: A numerical control machining tooling for an intermediate connecting seat for a subway, including a lathe body and a workpiece. An installation groove is provided inside the lathe body. Four matching square holes are provided on the inner side wall of the installation groove. A motor is installed on the inner side wall of the installation groove. The output end of the motor is connected with a threaded rod. One end of the threaded rod is rotatably connected to the inner side wall of the installation groove. A control board is threadedly connected to the threaded rod. One end of the control board is fixedly connected with four control rods matching the square holes. One end of the control rod penetrates through the square hole and is rotatably connected with a positioning member. A blocking member matching the positioning member is provided at one end of the control rod. One end of the lathe body is connected with a fixing member matching the four control rods. One end of the workpiece is closely attached to the fixing member. Four sides of the workpiece are closely attached to the four control rods. An extension member is provided at one end of the lathe body. A cylinder is installed on the extension member. One end of the cylinder is connected with a mounting plate. A plurality of machining tools matching the workpiece are installed on the mounting plate.
[0008] By adopting the above technical solution, the workpiece is placed between four control rods, one end of the workpiece is closely attached to the fixing member, the motor is started to drive the threaded rod to rotate, the threaded rod drives the control plate to move, the control plate drives the four control rods to move, and the four control rods drive the four positioning members to move, so that the four positioning members simultaneously press and fix the workpiece. The blocking member is used to prevent the positioning member from rotating excessively and reduce the pressing effect of the positioning member on the workpiece. At this time, the cylinder is started to drive the mounting plate to move, and the mounting plate drives a plurality of processing tools to move, so that the plurality of processing tools simultaneously process the workpiece, thereby achieving the purpose of improving work efficiency.
[0009] Optionally, a positioning groove matching the workpiece is provided at one end of the fixing member.
[0010] By adopting the above technical solution, the positioning groove is used to position the workpiece before the positioning member presses and fixes the workpiece, so as to facilitate the positioning member to fix the workpiece and reduce the probability of the workpiece being deflected.
[0011] Optionally, a torsion spring is provided between the positioning member and the control rod.
[0012] By adopting the above technical solution, when the workpiece is placed between the four control rods, the workpiece pushes the four positioning members to rotate, so as to place the workpiece between the four control rods. After the workpiece passes through the positioning member, the torsion spring drives the positioning member to rotate and reset, so as to facilitate the positioning member to press and fix the workpiece and improve work efficiency.
[0013] Optionally, four matching limit sliding cylinders are provided at one end of the lathe body, and the limit sliding cylinders are sleeved on the control rods.
[0014] By adopting the above technical solution, the limit sliding cylinder is used to limit the control rod to prevent the control rod from shaking or deflecting, thereby achieving the purpose of improving the stability of the equipment.
[0015] (III) Beneficial effects
[0016] In summary, the present utility model includes at least one of the following beneficial technical effects:
[0017] 1. For the numerical control machining tooling for the intermediate connection seat used in the subway, the workpiece is placed between four control rods, one end of the workpiece is closely attached to the fixing member, the motor is started to drive the threaded rod to rotate, the threaded rod drives the control plate to move, the control plate drives the four control rods to move, and the four control rods drive the four positioning members to move, so that the four positioning members simultaneously press and fix the workpiece. The blocking member is used to prevent the positioning member from rotating excessively and reduce the pressing effect of the positioning member on the workpiece. At this time, the cylinder is started to drive the mounting plate to move, and the mounting plate drives a plurality of processing tools to move, so that the plurality of processing tools simultaneously process the workpiece, thereby achieving the purpose of improving work efficiency. Description of the drawings
[0018] Figure 1 This is the first side view structural schematic diagram of the present utility model;
[0019] Figure 2 For the present utility model Figure 1 The partial enlarged structural schematic diagram of part A therein;
[0020] Figure 3 This is the first sectional structural schematic diagram of the present utility model;
[0021] Figure 4 For the present utility model Figure 3 The partial enlarged structural schematic diagram of part B therein.
[0022] In the figure: 1. Lathe body; 2. Workpiece; 3. Motor; 4. Threaded rod; 5. Control board; 6. Control rod; 7. Positioning member; 8. Blocking member; 9. Fixing member; 10. Extension member; 11. Cylinder; 12. Mounting plate; 13. Machining tool; 14. Positioning groove; 15. Torsion spring; 16. Limit sliding cylinder. Specific embodiments
[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0024] The present utility model will be further described in detail below with reference to the accompanying drawings of the specification.
[0025] Refer to Figures 1 - 4, A numerical control machining tooling for the intermediate connecting seat of a subway, including a lathe body 1, including a workpiece 2. An installation groove is opened inside the lathe body 1. Four matching square holes are opened on the inner side wall of the installation groove. A motor 3 is installed on the inner side wall of the installation groove. The output end of the motor 3 is connected to a threaded rod 4. One end of the threaded rod 4 is rotatably connected to the inner side wall of the installation groove. A control board 5 is threadedly connected to the threaded rod 4. One end of the control board 5 is fixedly connected to four control rods 6 that match the square holes. One end of the control rod 6 passes through the square hole and is rotatably connected to a positioning member 7. A blocking member 8 that matches the positioning member 7 is provided at one end of the control rod 6. One end of the lathe body 1 is connected to a fixing member 9 that matches the four control rods 6. One end of the workpiece 2 is closely attached to the fixing member 9. The four sides of the workpiece 2 are closely attached to the four control rods 6. One end of the lathe body 1 is provided with an extension member 10. A cylinder 11 is installed on the extension member 10. One end of the cylinder 11 is connected to a mounting plate 12. A plurality of machining tools 13 that match the workpiece 2 are installed on the mounting plate 12. Place the workpiece 2 between the four control rods 6 so that one end of the workpiece 2 is closely attached to the fixing member 9. Start the motor 3 to drive the threaded rod 4 to rotate. The threaded rod 4 drives the control board 5 to move. The control board 5 drives the four control rods 6 to move. The four control rods 6 drive the four positioning members 7 to move, so that the four positioning members 7 simultaneously press and fix the workpiece 2. The blocking member 8 is used to prevent the positioning member 7 from rotating excessively and reduce the pressing effect of the positioning member 7 on the workpiece 2. At this time, start the cylinder 11 to drive the mounting plate 12 to move. The mounting plate 12 drives the plurality of machining tools 13 to move, so that the plurality of machining tools 13 simultaneously machine the workpiece 2, thereby achieving the purpose of improving work efficiency.
[0026] Refer to Figure 3 and Figure 4 , A positioning groove 14 that matches the workpiece 2 is opened at one end of the fixing member 9. The positioning groove 14 is used to position the workpiece 2 before the positioning member 7 presses and fixes the workpiece 2, so as to facilitate the fixing of the workpiece 2 by the positioning member 7 and reduce the probability of the workpiece 2 being skewed.
[0027] Refer to Figure 1 and Figure 2 , A torsion spring 15 is provided between the positioning member 7 and the control rod 6. When the workpiece 2 is placed between the four control rods 6, the workpiece 2 pushes the four positioning members 7 to rotate, so as to place the workpiece 2 between the four control rods 6. After the workpiece 2 passes through the positioning member 7, the torsion spring 15 drives the positioning member 7 to rotate and reset, so as to facilitate the pressing and fixing of the workpiece 2 by the positioning member 7 and improve work efficiency.
[0028] Refer to Figure 3 and Figure 4, one end of the lathe body 1 is provided with four cooperating limit sliding cylinders 16. The limit sliding cylinders 16 are sleeved on the control rod 6. The limit sliding cylinders 16 are used to limit the control rod 6 to prevent the control rod 6 from shaking or deflecting, so as to achieve the purpose of improving the stability of the equipment.
[0029] In summary, the working principle and working process of the NC machining tooling for the intermediate connecting seat of the subway are as follows. When in use, first place the workpiece 2 between the four control rods 6, so that one end of the workpiece 2 abuts against the fixing part 9. Start the motor 3 to drive the threaded rod 4 to rotate. The threaded rod 4 drives the control plate 5 to move. The control plate 5 drives the four control rods 6 to move. The four control rods 6 drive the four positioning parts 7 to move, so that the four positioning parts 7 simultaneously press and fix the workpiece 2. The blocking part 8 is used to prevent the positioning part 7 from rotating excessively and reduce the pressing effect of the positioning part 7 on the workpiece 2. At this time, start the cylinder 11 to drive the mounting plate 12 to move. The mounting plate 12 drives the plurality of machining tools 13 to move, so that the plurality of machining tools 13 simultaneously machine the workpiece 2, so as to achieve the purpose of improving work efficiency. The positioning groove 14 is used to position the workpiece 2 before the positioning part 7 presses and fixes the workpiece 2, so as to facilitate the positioning part 7 to fix the workpiece 2 and reduce the probability of the workpiece 2 deflecting. When placing the workpiece 2 between the four control rods 6, the workpiece 2 pushes the four positioning parts 7 to rotate, so as to place the workpiece 2 between the four control rods 6. After the workpiece 2 passes through the positioning part 7, the torsion spring 15 drives the positioning part 7 to rotate and reset, so as to facilitate the positioning part 7 to press and fix the workpiece 2 and improve work efficiency. The limit sliding cylinder 16 is used to limit the control rod 6 to prevent the control rod 6 from shaking or deflecting, so as to achieve the purpose of improving the stability of the equipment.
[0030] The above embodiments only represent the specific implementation manners of the present invention. The description is relatively specific and detailed, but it should not be construed as a limitation to the scope of the patent of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several deformations and improvements can still be made, and these all belong to the protection scope of the present invention.
Claims
1. A numerical control machining tooling for an intermediate connecting seat used in a subway, comprising a lathe body (1), characterized in that: It includes a workpiece (2). An installation groove is formed inside the lathe body (1). Four mating square holes are formed on the inner side wall of the installation groove. A motor (3) is installed on the inner side wall of the installation groove. The output end of the motor (3) is connected to a threaded rod (4). One end of the threaded rod (4) is rotatably connected to the inner side wall of the installation groove. A control board (5) is threadedly connected to the threaded rod (4). One end of the control board (5) is fixedly connected to four control rods (6) that mate with the square holes. One end of the control rod (6) passes through the square hole and is rotatably connected to a positioning member (7). A blocking member (8) that mates with the positioning member (7) is provided at one end of the control rod (6). One end of the lathe body (1) is connected to a fixing member (9) that mates with the four control rods (6). One end of the workpiece (2) abuts against the fixing member (9). The four sides of the workpiece (2) abut against the four control rods (6). An extension member (10) is provided at one end of the lathe body (1). A cylinder (11) is installed on the extension member (10). One end of the cylinder (11) is connected to a mounting plate (12). A plurality of processing tools (13) that mate with the workpiece (2) are installed on the mounting plate (12).
2. The numerical control machining tooling for the intermediate connecting seat used in the subway according to claim 1, characterized in that: A positioning groove (14) that mates with the workpiece (2) is formed at one end of the fixing member (9).
3. The numerical control machining tooling for the intermediate connecting seat used in the subway according to claim 1, characterized in that: A torsion spring (15) is provided between the positioning member (7) and the control rod (6).
4. A numerical control machining tooling for the intermediate connecting seat used in the subway, characterized in that: Four mating limit sliding cylinders (16) are provided at one end of the lathe body (1). The limit sliding cylinders (16) are sleeved on the control rods (6).