Positioning structure for manufacturing shaft-shaped mechanical part
Through the innovative design of the clamping and locking mechanisms, the rapid clamping and unclamping of shaft-shaped mechanical components is achieved, solving the problem of inconvenient clamping in existing technologies, improving clamping efficiency and safety, and ensuring the processing stability and precision of shaft-shaped mechanical components.
Patent Information
- Application Number
- CN202522539577.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-28
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-11-28
AI Technical Summary
In the manufacturing of existing shaft-shaped mechanical components, the traditional positioning structure uses bolt fastening, which is time-consuming and labor-intensive, affecting clamping efficiency, and is particularly inconvenient to operate in scenarios with frequent workpiece changes or rapid clamping.
It adopts a combination design of clamping and locking mechanisms, and uses a spring-driven chuck structure to achieve quick unlocking and automatic reset. Combined with the linkage of cross slide and rotating plate, it can quickly clamp and release workpieces, and adapt to shaft workpieces of different diameters and shapes.
It improves the convenience and safety of clamping operations, increases clamping efficiency, and ensures the stability and accuracy of workpieces during processing.
Smart Images

Figure CN223734440U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical parts manufacturing technical field especially relates to a kind of positioning structure for shaft mechanical parts manufacturing. BACKGROUND
[0002] Shaft mechanical parts are widely used in various industrial equipment, which are usually long cylindrical in shape and have certain axial symmetry. During the manufacturing process, these parts need to go through turning, grinding, milling and other processing procedures, which require high precision positioning, stable clamping and efficient repeated clamping. In order to ensure that the parts do not shift or deviate during processing, a special positioning structure is usually used to assist positioning, so as to ensure processing accuracy and improve production efficiency. The positioning structure for shaft mechanical parts manufacturing usually combines with fixtures, guide rails, chucks and other components to limit the position of the workpiece in space, so that it can maintain a stable state during processing and avoid processing deviation.
[0003] The existing positioning structure for manufacturing clamps shaft workpiece, adopts the mode of bolt fastening, and the clamping and releasing operation is completed by artificial twisting. Although this traditional structure is simple in structure and widely applicable, it is time-consuming and laborious to twist the bolt repeatedly, especially in the processing scene of frequent replacement of workpieces or fast clamping, which affects the clamping efficiency. Therefore, a positioning structure for shaft mechanical parts manufacturing is proposed to solve the above problems. UTILITY MODEL CONTENT
[0004] In order to make up for the above shortcomings, the utility model provides a positioning structure for shaft mechanical parts manufacturing, which aims to improve the time-consuming and laborious problem in the prior art and improve work efficiency.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A positioning structure for shaft mechanical parts manufacturing, comprising a placing plate, the placing plate is provided with a clamping mechanism, the bottom of the placing plate is fixedly connected with a base, the inside of the base is provided with a locking mechanism, the side wall of the placing plate is fixedly connected with a mounting bracket;
[0007] The locking mechanism comprises a clamping plate one, a clamping plate two and a slide rod, the inside of the base is provided with a cavity, the inside of the cavity is fixedly connected with a sleeve, the side wall of the clamping plate one is fixedly connected with the opening side of the sleeve, the clamping plate two is arranged in the sleeve, the inside of the clamping plate two is fixedly connected with a slide rod, the outside of the slide rod is sleeved with a spring, the side wall of the slide rod is slidingly connected in the inside of the base and connected with the clamping mechanism.
[0008] Further description of the above technical scheme:
[0009] One end of the spring is fixedly connected to the side wall of the base, and the other end of the spring is in abutment with the second clamping plate.
[0010] As a further description of the above technical solution:
[0011] When the spring is in a force-deformation state, the first clamping plate and the second clamping plate are clamped together, and when the spring is in a natural state, the first clamping plate and the second clamping plate are clamped together.
[0012] As a further description of the above technical solution:
[0013] The side wall of the sliding rod is slidingly connected inside the first clamping plate, and one end of the sliding rod penetrates through the sliding rod and penetrates to the bottom.
[0014] As a further description of the above technical solution:
[0015] The side wall of the sliding rod is fixedly connected to a limiting ring, and the side wall of the sliding rod is fixedly connected to a pressing plate.
[0016] As a further description of the above technical solution:
[0017] The limiting ring and the pressing plate are both arranged outside the sleeve, and the side wall of the pressing plate is provided with an anti-skid strip.
[0018] As a further description of the above technical solution:
[0019] The clamping mechanism comprises a rotating plate and a clamping block, a sliding groove in a cross distribution is provided inside the placement plate, the side wall of the clamping block is slidingly connected inside the sliding groove, the bottom of the clamping block is fixedly connected to a connecting block, the rotating plate is arranged between the placement plate and the base, the side wall of the rotating plate is rotatably connected to a connecting plate, and the side wall of the connecting plate is rotatably connected to the side wall of the connecting block.
[0020] As a further description of the above technical solution:
[0021] The top of the rotating plate is fixedly connected to a hollow tube, and the hollow tube is rotatably connected to the bottom of the placement plate.
[0022] As a further description of the above technical solution:
[0023] A recess is provided inside the rotating plate, a guide block is fixedly connected to the side wall of the sliding rod, and the sliding rod and the guide block are both slidingly connected inside the recess.
[0024] As a further description of the above technical solution:
[0025] The opposite sides of the clamping block are both fixedly connected to rubber pads.
[0026] The utility model has the advantages of:
[0027] 1. The utility model discloses a press plate is released, and the spring rebound makes the locking structure automatic reset, and the clamping state is locked again, and the operation convenience and operation safety are improved.
[0028] 2. The utility model discloses a linkage cooperation between cross slide, clamping block, rotation plate and connecting rod etc. structure, make clamping block can be adjusted in two perpendicular directions simultaneously, widely adapt to different diameter and shape shaft workpieces, rotation plate rotation drive clamping block retraction or spread out, realize clamping or loosening operation, and through guide block and slide rod linkage, ensure that clamping action is stable and efficient. BRIEF DESCRIPTION OF DRAWINGS
[0029] Figure 1 A three-dimensional schematic view of a positioning structure for shaft-shaped mechanical component manufacturing is provided for the utility model;
[0030] Figure 2 An exploded view of a positioning structure for shaft-shaped mechanical component manufacturing is provided for the utility model;
[0031] Figure 3 A structure schematic view of a rotation plate of a positioning structure for shaft-shaped mechanical component manufacturing is provided for the utility model;
[0032] Figure 4 A sectional view of a base of a positioning structure for shaft-shaped mechanical component manufacturing is provided for the utility model;
[0033] Figure 5 A Figure 4 Enlarged view of A in the middle.
[0034] LEGEND:
[0035] 1, placing plate, 2, base, 3, slide groove, 4, clamping block, 5, rubber pad, 6, connecting block, 7, rotation plate, 8, hollow pipe, 9, connecting plate, 10, cavity, 11, sleeve, 12, clamping plate one, 13, clamping plate two, 14, slide rod, 15, guide block, 16, recess, 17, spring, 18, limit ring, 19, press plate, 20, antiskid strip, 21, mounting frame. DETAILED DESCRIPTION
[0036] The technical solutions in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0037] Referring to Figures 1-5 The utility model provides a positioning structure for shaft mechanical part manufacturing, including placing plate 1, placing plate 1 is used to bear the shaft mechanical part of processing or detection, placing plate 1 is provided with clamping mechanism, can provide stable support in workpiece installation process, prevent its wobble or deviation, placing plate 1 bottom fixedly connected with base 2, and base 2 is as the support basis of complete set structure, and base 2 inside is provided with locking mechanism, is used for realizing the quick locking and release operation of clamping mechanism to improve the clamping efficiency and operation safety, and placing plate 1 side wall fixedly connected with mounting bracket 21,
[0038] Locking mechanism includes clamping plate one 12, clamping plate two 13 and slide 14, and base 2 is provided with cavity 10 inside, and the sleeve 11 is fixed in the cavity 10 inside, is used to limit the movement range of clamping plate and provides installation base for it, ensures the smoothness of locking action, and the side wall of clamping plate one 12 is fixedly connected in the opening side of sleeve 11, and the body is along the sleeve inner wall and is attached, and the cooperation stability of structure is enhanced, and clamping plate two 13 is set in the sleeve 11 inside, and can move along its axial direction under the working condition, and the slide 14 is fixedly connected in the clamping plate two 13 inside, and the spring 17 is sleeved on the outside of slide 14, and the side wall of slide 14 is slidably connected in the inside of base 2 and is connected with clamping mechanism, reaches the effect of controlling clamping mechanism by the change of slide 14 position, and one end of spring 17 is fixedly connected in the side wall of base 2, and the other end of spring 17 is in abutment with clamping plate two 13, when spring 17 is in the stress deformation state, clamping plate one 12 and clamping plate two 13 are engaged, and then the locking state of slide 14 is released, when spring 17 is in the natural state, clamping plate one 12 and clamping plate two 13 are engaged, and the stability of slide 14 is ensured, and the side wall of slide 14 is slidably connected in the inside of clamping plate one 12, to realize the multi-point guidance, to keep the stability of movement track in the telescopic process thereof, and one end of slide 14 penetrates slide 14 and penetrates to the bottom, and the side wall of slide 14 is fixedly connected with the limiting ring 18, and the limiting ring 18 ensures that the maximum stroke of slide under the action of spring does not exceed limit through the contact with the sleeve inner wall, and the side wall of slide 14 is fixedly connected with pressing plate 19, and the slide is moved inwards by external pressing, drives clamping plate two 13 to separate from the locking position, realizes the quick unlocking operation, and the limiting ring 18 and pressing plate 19 are all set in the outside of sleeve 11, and the side wall of pressing plate 19 is provided with antiskid strip 20, to facilitate operator to control pressing plate 19;
[0039] Referring to Figures 1-3The clamping mechanism comprises the rotating plate 7 and the clamping blocks 4, the sliding grooves 3 in cross distribution are arranged through the inside of the placing plate 1, so that the clamping blocks 4 can be synchronously adjusted in two perpendicular directions, thereby meeting the positioning requirements of workpieces of different sizes, the side walls of the clamping blocks 4 are slidingly connected in the sliding grooves 3, the stability of movement is ensured, the connecting blocks 6 are fixedly connected to the bottoms of the clamping blocks 4, the rotating plate 7 is arranged between the placing plate 1 and the base 2, the connecting plate 9 is rotatably connected to the side wall of the rotating plate 7, the side wall of the connecting plate 9 is rotatably connected to the side wall of the connecting block 6, so that the clamping blocks 4 can realize the actions of retraction or expansion when the rotating plate 7 rotates, thereby completing clamping or releasing, the hollow tube 8 is fixedly connected to the top of the rotating plate 7 and rotatably connected to the bottom of the placing plate 1, the recess hole 16 is arranged through the inside of the rotating plate 7, the guide blocks 15 are fixedly connected to the side walls of the sliding rods 14, the sliding rods 14 and the guide blocks 15 are slidingly connected in the recess hole 16, linear guidance is realized, the sliding rods can keep stable and linear operation in the resetting or pushing process, deviation or jamming is avoided, the effect that the deflection of the sliding rods drives the deflection of the rotating plate 7 is achieved, the rubber pads 5 are fixedly connected to the opposite sides of the clamping blocks 4, not only the buffering effect can be achieved in the clamping process, but also the surface damage of the workpiece caused by direct contact can be effectively prevented, the friction force is improved to enhance the clamping effect.
[0040] Working principle: when the device is used for work, the shaft-shaped mechanical parts are placed on the top of the placing plate 1, then the worker moves the pressing plate 19 upwards, thereby separating the clamping plate one 12 and the clamping plate two 13 while compressing the spring 17, thereby releasing the locking state of the sliding rod 14, at this time, the sliding rod 14 can be deflected synchronously by twisting the pressing plate 19, under the guidance of the guide blocks 15, the rotating plate 7 is deflected synchronously, when the rotating plate 7 is deflected, one side of the connecting plate 9 follows the deflection, while the other side of the connecting plate 9 deflected on the connecting block 6 pulls the rubber pad 5 to move, thereby clamping and fixing the workpiece, after the workpiece is fixed, the pressing plate 19 is pulled downwards to drive the sliding rod 14 to move downwards, so that the clamping plate one 12 and the clamping plate two 13 are engaged, the stability of the sliding rod 14 is ensured, at this time, the spring 17 is reset and abuts against the surface of the clamping plate two 13 to limit it, thereby ensuring the stability of the engagement of the clamping plate one 12 and the clamping plate two 13.
Claims
1. A positioning structure for manufacturing of shaft-like mechanical components, comprising a placement plate (1), characterized in that: The placing plate (1) is provided with a clamping mechanism, the bottom of the placing plate (1) is fixedly connected with a base (2), the inside of the base (2) is provided with a locking mechanism, and the side wall of the placing plate (1) is fixedly connected with a mounting rack (21). The locking mechanism comprises a clamping plate one (12), a clamping plate two (13) and a sliding rod (14), the inside of the base (2) is provided with a cavity (10), the inside of the cavity (10) is fixedly connected with a sleeve (11), the side wall of the clamping plate one (12) is fixedly connected with the opening side of the sleeve (11), the clamping plate two (13) is arranged in the sleeve (11), the inside of the clamping plate two (13) is fixedly connected with the sliding rod (14), the outside of the sliding rod (14) is sleeved with a spring (17), and the side wall of the sliding rod (14) is slidably connected in the inside of the base (2) and connected with the clamping mechanism.
2. The positioning structure for manufacturing a shaft-shaped mechanical component according to claim 1, wherein: One end of the spring (17) is fixedly connected with the side wall of the base (2), and the other end of the spring (17) abuts against the clamping plate two (13).
3. The positioning structure for manufacturing a shaft-shaped mechanical component according to claim 1, wherein: When the spring (17) is in a stress deformation state, the clamping plate one (12) and the clamping plate two (13) are clamped together, and when the spring (17) is in a natural state, the clamping plate one (12) and the clamping plate two (13) are clamped together.
4. The positioning structure for manufacturing a shaft-shaped mechanical component according to claim 1, wherein: The side wall of the sliding rod (14) is slidably connected in the inside of the clamping plate one (12), and one end of the sliding rod (14) penetrates through the sliding rod (14) and penetrates to the bottom.
5. The positioning structure for manufacturing a shaft-shaped mechanical component according to claim 1, wherein: The side wall of the sliding rod (14) is fixedly connected with a limiting ring (18), and the side wall of the sliding rod (14) is fixedly connected with a pressing plate (19).
6. A positioning structure for manufacturing a shaft-shaped mechanical component according to claim 5, characterized in that: The limiting ring (18) and the pressing plate (19) are arranged outside the sleeve (11), and the side wall of the pressing plate (19) is provided with an anti-skid strip (20).
7. The positioning structure for manufacturing a shaft-shaped mechanical component according to claim 1, wherein: The clamping mechanism comprises a rotating plate (7) and a clamping block (4), the inside of the placing plate (1) is provided with a cross-shaped sliding groove (3), the side wall of the clamping block (4) is slidably connected in the inside of the sliding groove (3), the bottom of the clamping block (4) is fixedly connected with a connecting block (6), the rotating plate (7) is arranged between the placing plate (1) and the base (2), the side wall of the rotating plate (7) is rotatably connected with a connecting plate (9), and the side wall of the connecting plate (9) is rotatably connected with the side wall of the connecting block (6).
8. The positioning structure for manufacturing a shaft-shaped mechanical component according to claim 7, wherein: The top of the rotating plate (7) is fixedly connected with a hollow tube (8), and the hollow tube (8) is rotatably connected with the bottom of the placing plate (1).
9. The positioning structure for manufacturing a shaft-shaped mechanical component according to claim 8, wherein: The inside of the rotating plate (7) is provided with a recess (16), the side wall of the sliding rod (14) is fixedly connected with a guide block (15), and the sliding rod (14) and the guide block (15) are slidably connected in the inside of the recess (16).
10. The positioning structure for manufacturing a shaft-shaped mechanical component according to claim 7, wherein: The opposite sides of the clamping block (4) are fixedly connected with rubber pads (5).