Axis machining equipment with multi-specification adjustment function
By introducing a positioning spacing adjustment and positioning plate replacement mechanism into the shaft machining equipment, the problems of insufficient clamping stability and adaptability of the existing equipment have been solved, enabling efficient machining of shaft workpieces of different specifications and irregular shapes, and improving production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-18
- Publication Date
- 2026-04-03
AI Technical Summary
Existing spindle machining equipment has shortcomings in terms of versatility and adaptability. The clamping mechanism design is relatively simple and difficult to adjust quickly, resulting in unstable fixing of spindle workpieces with different diameters and lengths. It also cannot quickly adapt to irregularly shaped spindles, such as workpieces with special contours like keyways or stepped shafts.
A multi-specification adjustable shaft machining equipment was designed. It adopts a positioning distance adjustment mechanism and a positioning plate replacement mechanism. Through the cooperation of gear driven rod and threaded rod, the positioning distance of the quick clamping assembly can be adjusted and the positioning plate can be replaced quickly, ensuring stable fixation and efficient machining of shaft workpieces of different specifications and irregular shapes.
It enables stable fixing of workpieces with different diameters, lengths, and irregular shapes, improves processing efficiency, enhances the versatility and production efficiency of the equipment, and performs particularly well in small-batch, diversified production scenarios.
Smart Images

Figure CN224073862U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of shaft machining equipment, specifically a shaft machining equipment with multiple adjustable specifications. Background Technology
[0002] The child safety seat shaft machining equipment is a high-precision, modular, flexible manufacturing system designed specifically for producing core components such as seat rotating shafts and adjustment mechanisms in various specifications. This equipment is compatible with the machining of steel, aluminum alloys, and engineering plastics. Through servo drive and online detection technology, it can automatically adjust machining parameters and compensate for errors in real time, ensuring shaft dimensional accuracy within ±0.02mm and a surface roughness of Ra1.6μm. The equipment integrates an intelligent control system, supporting parametric programming and rapid changeover, and can efficiently produce durable shafts that meet safety standards such as ISO 22262.
[0003] Existing spindle machining equipment suffers from deficiencies in versatility and adaptability. Its clamping mechanism design is relatively simple, lacking quickly adjustable clamping components. This results in insufficient stability when fixing spindle workpieces of different diameters and lengths, and the clamping of non-standard workpieces is prone to displacement or loosening. Furthermore, the fixing structure of the positioning plate used in the equipment is cumbersome, requiring the disassembly of the entire positioning module for replacement. This is not only cumbersome to operate but also cannot quickly adapt to irregularly shaped spindles, such as spindle workpieces with special contours like keyways or stepped shafts. These limitations seriously affect the equipment's versatility and production efficiency, which is particularly prominent in small-batch, diversified production scenarios. Therefore, new technical solutions need to be designed to address these issues. Utility Model Content
[0004] 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.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a shaft machining equipment with multi-specification adjustment, including a machining platform. The machining platform has four transmission chambers inside, and four gear driven rods are rotatably connected to the inner wall of the machining platform. Four mounting seats are provided above the machining platform, and a compression spring is embedded in the inner cavity of each mounting seat. A pressing plate is fixedly connected to the top of each compression spring. Through a positioning distance adjustment mechanism, the positioning distance of the clamping assembly can be quickly adjusted, allowing for stable fixing of shaft workpieces of different diameters and lengths, preventing offset or loosening when clamping non-standard specification workpieces. Through a positioning plate replacement mechanism, when machining irregularly shaped shafts, such as those with keyways or stepped shafts, the positioning plate can be quickly disassembled and replaced, improving machining efficiency.
[0006] Preferably, one end of the gear driven rod passes through the processing platform and extends into the inner cavity of the transmission chamber, and one end of the gear driven rod is fixedly connected to a threaded rod. The threaded rod rotates, causing the threaded sleeve to drive the connecting plate to move, and causing the positioning mechanism on the connecting plate to move synchronously.
[0007] Preferably, a threaded sleeve is screwed onto the outer side of the threaded rod, and a connecting plate is fixedly connected to one end of the threaded sleeve. The top of the connecting plate extends to the top of the processing platform, and the top of the connecting plate is fixedly connected to the mounting base, thereby fixing the positioning mechanism through the mounting base.
[0008] Preferably, a motor is fixedly connected to the bottom of the processing platform, the top end of the power output shaft of the motor passes through the processing platform and extends into the inner cavity of the processing platform, and a drive gear is fixedly connected to the top end of the power output shaft of the motor. The drive gear meshes with the driven rod of the gear, and the driven rod of the gear rotates through the drive gear, so that the driven rod of the gear rotates the threaded rod.
[0009] Preferably, the inner wall of the mounting base has two limiting grooves, and the top of the mounting base has two through grooves. The limiting grooves are used to engage with the locking rod to fix the pull rod.
[0010] Preferably, a pull rod is inserted into the top of the mounting base, the bottom end of the pull rod extends into the inner cavity of the mounting base, and the bottom end of the pull rod contacts the extrusion plate. Two locking rods are fixedly connected to the outside of the pull rod, and the locking rods engage with the limiting groove. The extrusion plate is pressed by a compression spring to extrude the pull rod and assist in positioning the pull rod.
[0011] Preferably, a connecting frame is fixedly connected to the outer side of the pull rod, and a positioning plate is fixedly connected to one side of the connecting frame, thereby fixing the positioning plate through the connecting frame.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] 1. This multi-specification adjustable shaft machining equipment can quickly adjust the positioning distance of the clamping components through the positioning distance adjustment mechanism, and can stably fix shaft workpieces of different diameters and lengths, preventing offset or loosening when clamping non-standard specification workpieces.
[0014] 2. This multi-specification adjustable shaft machining equipment, through the positioning plate replacement mechanism, can quickly disassemble and replace the positioning plate when machining irregularly shaped shafts, such as shafts with keyways, stepped shafts, and other special contours, thereby improving machining efficiency. Attached Figure Description
[0015] Figure 1 This is a front-view three-dimensional structural diagram of a shaft machining equipment with multi-specification adjustment proposed in this utility model;
[0016] Figure 2 This is a front sectional three-dimensional structural schematic diagram of a shaft machining equipment with multi-specification adjustment proposed in this utility model;
[0017] Figure 3 This is a cross-sectional view of a positioning plate replacement mechanism for a shaft machining equipment with multi-specification adjustment proposed in this utility model.
[0018] Figure 4 This is a schematic diagram of the structure of a shaft machining equipment with multi-specification adjustment after the positioning plate is detached, as proposed in this utility model.
[0019] In the diagram: 100, machining platform; 110, transmission chamber; 120, gear driven rod; 121, threaded rod; 122, threaded sleeve; 130, connecting plate; 140, motor; 141, drive gear; 200, mounting base; 210, compression spring; 211, extrusion plate; 220, limiting groove; 230, through groove; 240, pull rod; 241, locking rod; 250, connecting frame; 260, positioning plate. Detailed Implementation
[0020] 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.
[0021] Example 1: Please refer to again Figure 1-4This utility model provides a shaft machining device with multi-specification adjustment, including a machining platform 100. The machining platform 100 has four transmission chambers 110 inside. Four gear driven rods 120 are rotatably connected to the inner wall of the machining platform 100. One end of each gear driven rod 120 passes through the machining platform 100 and extends into the inner cavity of the transmission chamber 110. A threaded rod 121 is fixedly connected to one end of each gear driven rod 120. A threaded sleeve 122 is screwed onto the outer side of the threaded rod 121. One end of 2 is fixedly connected to a connecting plate 130. The top of the connecting plate 130 extends to the top of the processing platform 100, and the top of the connecting plate 130 is fixedly connected to the mounting base 200. The bottom of the processing platform 100 is fixedly connected to a motor 140. The top end of the power output shaft of the motor 140 passes through the processing platform 100 and extends into the inner cavity of the processing platform 100. The top end of the power output shaft of the motor 140 is fixedly connected to a drive gear 141, and the drive gear 141 meshes with the gear driven rod 120.
[0022] Specifically, the starting motor 140 drives the drive gear 141 to rotate, which in turn drives the driven rod 120 meshing with it to rotate. The driven rod 120 then drives the threaded rod 121 to rotate, causing the threaded sleeve 122 mounted on the threaded rod 121 to move in tandem with the rotation of the threaded rod 121. This causes the connecting plate 130 mounted on the threaded sleeve 122 to move synchronously, and the mounting base 200 mounted on the connecting plate 130 to move the positioning mechanism. This adjusts the positioning distance of the positioning mechanism and fixes the shaft workpieces of different specifications.
[0023] Example 2: Please refer to again Figure 1-4 Four mounting seats 200 are provided above the processing platform 100. A compression spring 210 is embedded in the inner cavity of the mounting seat 200. A pressing plate 211 is fixedly connected to the top of the compression spring 210. Two limiting grooves 220 are opened in the inner wall of the mounting seat 200. Two through grooves 230 are opened in the top of the mounting seat 200. A pull rod 240 is inserted into the top of the mounting seat 200. The bottom end of the pull rod 240 extends into the inner cavity of the mounting seat 200 and contacts the pressing plate 211. Two locking rods 241 are fixedly connected to the outside of the pull rod 240. The locking rods 241 are engaged with the limiting grooves 220. A connecting frame 250 is fixedly connected to the outside of the pull rod 240. A positioning plate 260 is fixedly connected to one side of the connecting frame 250.
[0024] Specifically, by pressing down on the pull rod 240, the pull rod 240 is pressed against the extrusion plate 211, causing the compression spring 210 to be compressed. This causes the locking rod 241 mounted on the pull rod 240 to move out of the limiting groove 220. Then, the pull rod 240 is rotated so that the locking rod 241 aligns with the through groove 230 on the mounting base 200. Then, the pull rod 240 is pulled up so that the pull rod 240 moves out of the mounting base 200, thus removing the current positioning plate 260 from the outside. Then, the pull rod 240 on the required positioning mechanism is inserted into the mounting base 200. Then, the pull rod 240 is rotated so that the locking device on the pull rod 240 aligns with the limiting groove 220. Then, the pressure on the pull rod 240 is released, causing the compressed compression spring 210 to return to its original position and extend. This causes the extrusion plate 211 connected to the compression spring 210 to push the pull rod 240 upward, causing the locking rod 241 to engage with the limiting groove 220, thus limiting the pull rod 240.
[0025] Working principle: The starting motor 140 drives the drive gear 141 to rotate, which in turn drives the driven rod 120 meshing with it to rotate. The driven rod 120 drives the threaded rod 121 to rotate, causing the threaded sleeve 122 mounted on the threaded rod 121 to move along with the rotation of the threaded rod 121. This causes the connecting plate 130 mounted on the threaded sleeve 122 to move synchronously, and the mounting seat 200 mounted on the connecting plate 130 to drive the positioning mechanism to move. This adjusts the positioning distance of the positioning mechanism and fixes the shaft workpieces of different specifications.
[0026] By pressing down on the pull rod 240, the pull rod 240 is pressed against the extrusion plate 211, compressing the compression spring 210 and causing the locking rod 241 mounted on the pull rod 240 to move out of the limiting groove 220. Then, the pull rod 240 is rotated so that the locking rod 241 aligns with the through groove 230 on the mounting base 200. Then, the pull rod 240 is pulled up so that the pull rod 240 moves out of the mounting base 200, removing the current positioning plate 260 from the outside. Then, the pull rod 240 on the required positioning mechanism is inserted into the mounting base 200. Then, the pull rod 240 is rotated so that the locking device on the pull rod 240 aligns with the limiting groove 220. Then, the pressure on the pull rod 240 is released, causing the compressed compression spring 210 to return to its original position and extend. This causes the extrusion plate 211 connected to the compression spring 210 to push the pull rod 240 upward, causing the locking rod 241 to engage with the limiting groove 220 and limit the pull rod 240.
[0027] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A shaft center processing apparatus having multi-specification adjustment, comprising a processing platform (100), characterized in that, The inside of the processing platform (100) is provided with four transmission warehouses (110), and the inner cavity wall of the processing platform (100) is rotationally connected with four gear driven rods (120); The upper portion of the processing platform (100) is provided with four mounting seats (200), the inner cavity of the mounting seat (200) is embedded with a compression spring (210), and the top end of the compression spring (210) is fixedly connected with an extrusion plate (211).
2. The shaft center processing apparatus having a multi-specification adjustment according to claim 1, wherein One end of the gear driven rod (120) penetrates the processing platform (100) and extends to the inner cavity of the transmission warehouse (110), and one end of the gear driven rod (120) is fixedly connected with a threaded rod (121).
3. The apparatus according to claim 2, wherein The outer side of the threaded rod (121) is screwed with a threaded sleeve (122), one end of the threaded sleeve (122) is fixedly connected with a connecting plate (130), the top of the connecting plate (130) extends to the top of the processing platform (100), and the top of the connecting plate (130) is fixedly connected with the mounting seat (200).
4. The apparatus according to claim 3, wherein the apparatus is capable of adjusting the diameter of the shaft to be machined. The bottom of the processing platform (100) is fixedly connected with a motor (140), the top end of the power output shaft of the motor (140) penetrates the processing platform (100) and extends to the inner cavity of the processing platform (100), and the top end of the power output shaft of the motor (140) is fixedly connected with a driving gear (141), the driving gear (141) is engagedly connected with the gear driven rod (120).
5. The apparatus according to claim 1, wherein The inner cavity wall of the mounting seat (200) is provided with two limiting grooves (220), and the top of the mounting seat (200) is provided with two through grooves (230).
6. The apparatus according to claim 5, wherein the apparatus is capable of adjusting the diameter of the shaft. The top of the mounting seat (200) is inserted with a pull rod (240), the bottom end of the pull rod (240) extends to the inner cavity of the mounting seat (200), and the bottom end of the pull rod (240) is in contact with the extrusion plate (211), the outer side of the pull rod (240) is fixedly connected with two clamping rods (241), and the clamping rod (241) is clamped with the limiting groove (220).
7. The apparatus according to claim 6, wherein the apparatus is capable of adjusting the diameter of the shaft. The outer side of the pull rod (240) is fixedly connected with a connecting frame (250), one side of the connecting frame (250) is fixedly connected with a positioning plate (260).