Automatic centering clamping mechanism
The automatic centering and clamping mechanism driven by cylinders and gears solves the problem of manual adjustment required by traditional clamping mechanisms, realizes automatic centering and clamping of workpieces, and improves processing accuracy and efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHANGZHOU BOLIAN MASCH EQUIP CO LTD
- Filing Date
- 2025-04-30
- Publication Date
- 2026-05-12
AI Technical Summary
传统夹紧机构需要手动调整,导致加工效率低下且难以保证定心的稳定性和精度。
The automatic centering clamping mechanism, driven by cylinders and gears, uses a cylinder connector to drive a short gear rack hydraulic cylinder pusher plate to move on a T-shaped slide rail, thereby driving the left and right gears to rotate and achieve sliding clamping of the mold base.
It enables automatic centering and clamping of workpieces, improving machining accuracy and efficiency while reducing manual workload.
Smart Images

Figure CN224223654U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to an automatic centering mechanism, specifically an automatic centering clamping mechanism. Background Technology
[0002] In the machining and assembly of tubular workpieces, centering and clamping are crucial steps to ensure machining accuracy and efficiency. Traditional clamping mechanisms typically require manual adjustment, which is not only labor-intensive and inefficient, but also makes it difficult to guarantee the stability and accuracy of centering.
[0003] Therefore, in order to solve the above problems, an automatic centering clamping mechanism is proposed. Utility Model Content
[0004] The purpose of this invention is to provide an automatic centering and clamping mechanism that, through cylinder drive and gear transmission, achieves automatic centering and clamping of the workpiece, thereby improving machining accuracy and efficiency. This addresses the problems mentioned in the background section.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] An automatic centering clamping mechanism includes a base slider, a front upright plate, a cylinder fixing plate, a cylinder, a left long rack, a right long rack, a left gear, a right gear, a gear shaft, a base T-shaped slide rail, a mold base, a rear upright plate, a short gear cylinder push plate, a cylinder connector, a T-shaped slide rail, an outer fixing plate, and an inner clamping plate. The mechanism is characterized in that: one side of the base slider is bolted to the front upright plate, and the other side is bolted to the rear upright plate; the top of the base slider is connected to the base T-shaped slide rail; the top of the base T-shaped slide rail is connected to the mold base; the front of the mold base is bolted to the left long rack, and the rear is bolted to the right long rack. The mold base is fixed with bolts, and the side of the mold base is fixed to the cylinder fixing plate with bolts. The top of the mold base is connected to the T-shaped slide rail. The gear shaft runs through the middle of the mold base. The left side of the gear shaft is connected to the left gear and the front upright plate, and the right side is connected to the right gear and the rear upright plate. The left gear is connected to the left long rack. The right gear is connected to the right long rack. The inner clamping plate is fixed to the T-shaped slide rail and the mold base with bolts. The bottom of the short gear rack cylinder push plate is connected to the T-shaped slide rail, the left gear, and the right gear respectively. The outer fixing plate is set on the short gear rack cylinder push plate. The cylinder connector is set on the short gear rack cylinder push plate. The cylinders are connected to the cylinder connectors.
[0007] As a preferred embodiment of this utility model, the outer fixing plate and the cylinder connector on the short gear cylinder push plate are arranged opposite to each other, and the outer fixing plate and the inner clamping plate are arranged opposite to each other. A slide groove matching the T-shaped slide rail is provided in the middle of the bottom of the short gear cylinder push plate, and racks matching the left gear and the right gear are provided on both sides of the slide groove.
[0008] As a preferred embodiment of this utility model, the top center of the base slider is provided with a groove that matches the T-shaped slide rail of the base.
[0009] As a preferred embodiment of this utility model, the front of the mold base is provided with a long through hole running from left to right, and the gear shaft is located in the long through hole.
[0010] As a preferred embodiment of this utility model, the left side of the gear shaft is first fixed to the left gear by a bolt structure, and then connected to the front upright plate by a bearing; the right side of the gear shaft is first fixed to the right gear by a bolt structure, and then connected to the rear upright plate by a bearing.
[0011] Compared with the prior art, the beneficial effects of this utility model are:
[0012] The advantages of this invention are that it can automatically center the object, ensuring the stability and accuracy of centering, reducing the workload of workers, and improving the quality and efficiency of grinding. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the exploded structure of this utility model;
[0014] Figure 2 This is a schematic diagram of the clamping three-dimensional structure of this utility model;
[0015] Figure 3 This is a schematic diagram of the clamping side structure of this utility model;
[0016] Figure 4 This is a schematic diagram of the three-dimensional structure of the present invention.
[0017] In the diagram: 1. Base slider; 2. Front upright plate; 3. Cylinder fixing plate; 4. Cylinder; 5. Left long rack; 6. Left gear; 7. Gear shaft; 8. Base T-shaped slide rail; 9. Mold base; 10. Rear upright plate; 11. Short gear rack hydraulic cylinder push plate; 12. Cylinder connector; 13. T-shaped slide rail; 14. Outer fixing plate; 5. Inner clamping plate; 16. Right long rack; 17. Right gear. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0019] Please see Figures 1-4 This utility model provides a technical solution:
[0020] An automatic centering clamping mechanism includes a base slider 1, a front upright plate 2, a cylinder fixing plate 3, a cylinder 4, a left long rack 5, a right long rack 16, a left gear 6, a right gear 17, a gear shaft 7, a base T-shaped slide rail 8, a mold base 9, a rear upright plate 10, a short gear cylinder push plate 11, a cylinder connector 12, a T-shaped slide rail 13, an outer fixing plate 14, and an inner clamping plate 15. The base slider 1 is characterized in that: one side is bolted to the front upright plate 2, and the other side is bolted to the rear upright plate 10; the top of the base slider 1 is connected to the base T-shaped slide rail 8; the top of the base T-shaped slide rail 8 is connected to the mold base 9; the front of the mold base 9 is bolted to the left long rack 5, and the rear is bolted to the right long rack 16. The mold base 9 is fixed to the cylinder fixing plate 3 by bolts on its side, and the top of the mold base 9 is connected to the T-shaped slide rail 13. The gear shaft 7 is installed through the middle of the mold base 9. The left side of the gear shaft 7 is connected to the left gear 6 and the front upright plate 2, and the right side is connected to the right gear 17 and the rear upright plate 10. The left gear 6 is connected to the left long rack 5. The right gear 17 is connected to the right long rack 16. The inner clamping plate 15 is fixed to the T-shaped slide rail 13 and the mold base 9 by bolts. The bottom of the short gear cylinder push plate 11 is connected to the T-shaped slide rail 13, the left gear 6, and the right gear 17 respectively. The outer fixing plate 14 is installed on the short gear cylinder push plate 11. The cylinder connector 12 is installed on the short gear cylinder push plate 11. The cylinder 4 is connected to the cylinder connector 12. The outer fixing plate 14 and the cylinder connector 12 on the short gear cylinder push plate 11 are arranged opposite to each other, and the outer fixing plate 14 is arranged opposite to the inner clamping plate 15. The bottom center of the short gear cylinder push plate 11 is provided with a groove that matches the T-shaped slide rail 13, and racks that match the left gear 6 and the right gear 17 are provided on both sides of the groove. An automatic centering clamping mechanism is characterized in that: the top center of the base slider 1 is provided with a groove that matches the base T-shaped slide rail 8. The front of the mold base 9 is provided with a long through hole running left and right, and the gear shaft 7 is located in the long through hole. The left side of the gear shaft 7 is first fixed to the left gear 6 by a bolt structure, and then connected to the front upright plate 2 by a bearing; the right side of the gear shaft 7 is first fixed to the right gear 17 by a bolt structure, and then connected to the rear upright plate 10 by a bearing.
[0021] The specific operation of this utility model is as follows: Cylinder 4 drives cylinder connector 12, which in turn drives short gear cylinder push plate 11 to move forward on T-shaped slide rail 13 via bottom slide groove. The outer fixing plate 14 on short gear cylinder push plate 11 also moves forward. At the same time, the movement of short gear cylinder push plate 11 also drives bottom rack to drive left gear 6 and right gear 17 to rotate. Left gear 6 and right gear 17 drive left long rack 5 and right long rack 16 to move respectively, thereby realizing that mold base 9 slides towards short gear cylinder push plate 11 through base T-shaped slide rail 8 and slide groove. T-shaped slide rail 13 and inner clamping plate 15 fixed on mold base 9 also slide along with it. Finally, the tubular workpiece placed between inner clamping plate 15 and outer fixing plate 14 is clamped.
[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An automatic centering clamping mechanism, comprising a base slider (1), a front upright plate (2), a cylinder fixing plate (3), a cylinder (4), a left long rack (5), a right long rack (16), a left gear (6), a right gear (17), a gear shaft (7), a base T-shaped slide rail (8), a mold base (9), a rear upright plate (10), a short gear rack hydraulic cylinder push plate (11), a cylinder connector (12), a T-shaped slide rail (13), an outer fixing plate (14), and an inner clamping plate (15), characterized in that: One side of the base slider (1) is connected to the front upright plate (2) by bolts, and the other side is connected to the rear upright plate (10) by bolts. The top of the base slider (1) is connected to the base T-shaped slide rail (8). The top of the base T-shaped slide rail (8) is connected to the mold base (9). The front of the mold base (9) is fixed to the left long rack (5) by bolts, and the back is fixed to the right long rack (16) by bolts. The side of the mold base (9) is fixed to the cylinder fixing plate (3) by bolts. The top of the mold base (9) is connected to the T-shaped slide rail (13). The gear shaft (7) is installed through the middle of the mold base (9). The left side of the gear shaft (7) is connected to the gear (6) and the front upright plate (10). The plate (2) is connected to the right gear (17) and the rear upright plate (10); the gear (6) is connected to the left long rack (5); the right gear (17) is connected to the right long rack (16); the inner clamping plate (15) is fixed to the T-shaped slide rail (13) and the mold base (9) by bolts; the bottom of the short gear cylinder push plate (11) is connected to the T-shaped slide rail (13), the left gear (6) and the right gear (17) respectively; the outer fixing plate (14) is set on the short gear cylinder push plate (11); the cylinder connector (12) is set on the short gear cylinder push plate (11); the cylinder (4) is connected to the cylinder connector (12).
2. The automatic centering clamping mechanism according to claim 1, characterized in that: The outer fixing plate (14) and the cylinder connector (12) on the short gear cylinder push plate (11) are arranged opposite to each other, and the outer fixing plate (14) and the inner clamping plate (15) are arranged opposite to each other. The bottom middle of the short gear cylinder push plate (11) is provided with a slide groove that matches the T-shaped slide rail (13), and racks that match the left gear (6) and the right gear (17) are provided on both sides of the slide groove.
3. The automatic centering clamping mechanism according to claim 1, characterized in that: The top center of the base slider (1) is provided with a groove that matches the base T-shaped slide rail (8).
4. The automatic centering clamping mechanism according to claim 1, characterized in that: the mold base... (9) A long through hole running in the left and right direction is provided at the front, and the gear shaft (7) is located in the long through hole.
5. The automatic centering clamping mechanism according to claim 1, characterized in that: The left side of the gear shaft (7) is first fixed to the left gear (6) by bolt structure, and then connected to the front plate (2) by bearing; the right side of the gear shaft (7) is first fixed to the right gear (17) by bolt structure, and then connected to the rear plate (10) by bearing.