Multifunctional mechanical tool clamp

By integrating clamping, rotating, and lifting mechanisms, the multifunctional mechanical tooling fixture solves the problem that existing fixtures cannot rotate for machining, achieving high efficiency, stability, and automated adaptability for multi-angle machining of workpieces, thereby improving machining efficiency and accuracy.

CN121649944APending Publication Date: 2026-03-13JIANGLU MACHINERY & ELECTRONICS GROUP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-22
Publication Date
2026-03-13

AI Technical Summary

Technical Problem

Existing multi-functional mechanical tooling fixtures cannot rotate for processing when clamping materials, resulting in the need for multiple disassembly and reassembly of workpieces, increasing clamping time and positioning errors, reducing efficiency and accuracy, making it difficult to adapt to the multi-angle processing needs of irregular and curved parts, and limiting operational flexibility and automated production.

Method used

A multifunctional mechanical tooling fixture was designed, integrating a clamping mechanism, a rotating component, and a lifting mechanism onto a table. It achieves rapid and stable clamping through synchronous drive of two racks in opposite directions, and uses hydraulic drive for rack-gear transmission for precise angle adjustment. The rack-gear transmission enables smooth lifting and lowering of the table, and the motor and hydraulic press drive complete the clamping, rotation, and lifting actions. It is suitable for multi-faceted processing of irregularly shaped and curved parts.

Benefits of technology

It enables multi-process and multi-angle machining of workpieces after a single clamping, reducing time consumption and accumulated errors caused by repeated disassembly and alignment, improving processing efficiency and product consistency, and is suitable for high-precision automated machining scenarios, reducing equipment failure risk and manual intervention.

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Abstract

The invention discloses a multifunctional mechanical tool clamp, and relates to the technical field of mechanical tools. Comprising a table board, a clamping mechanism and a lifting mechanism, the clamping mechanism comprises a shell, a sliding plate, a fixing clamp and a rotating assembly, a first rack plate and a second rack plate which are synchronously driven by a second motor driving a second gear are arranged in the shell, and the first rack plate drives the sliding plate through a connecting plate to achieve workpiece clamping. The rotating assembly comprises a third rack plate driven by a hydraulic machine, the third rack plate is meshed with a third gear, then the fixing clamp is driven to rotate through a connecting column, and multi-angle machining of the workpiece is achieved. The lifting mechanism drives the first gear to be meshed with the rack column through the first motor to drive the table plate to stably ascend and descend. The clamping, rotating and lifting functions are integrated, multi-procedure machining can be completed through one-time clamping, the repeated clamping time and errors are remarkably reduced, the machining precision and efficiency are improved, the adaptability to complex workpieces is enhanced, and automatic production is facilitated.
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Description

Technical Field

[0001] This invention relates to the field of mechanical tooling technology, and in particular to a multifunctional mechanical tooling fixture. Background Technology

[0002] Multifunctional mechanical tooling fixtures are key equipment for improving processing efficiency and accuracy. Their clamping stability, adjustment flexibility, and adaptability are important performance indicators. As an important bridge connecting processing equipment and workpieces, the positioning accuracy, ease of operation, and durability of the fixture directly affect production progress and product quality. Especially for irregularly shaped and multi-process workpieces, how to meet the multi-angle processing requirements while holding them securely is the focus of the design. Through optimized design, this fixture can not only achieve rapid workpiece clamping and precise positioning, improving processing efficiency, but also reduce the errors caused by multiple clamping and ensure stable processing quality.

[0003] Multifunctional mechanical tooling fixtures generally consist of three parts: a clamping unit, an adjustment transmission system, and an auxiliary support and control system. The clamping unit uses replaceable jaws and adaptive clamping components to firmly clamp workpieces of different shapes and sizes, meeting diverse processing needs. The adjustment transmission system, as the core component, uses precision guide rails and servo drive technology to achieve precise adjustment of the clamping angle and position, ensuring that the workpiece is in the optimal processing posture. The auxiliary support and control system provides stable support and parameter control for the entire fixture, including real-time monitoring and adjustment of clamping force and adjustment speed. Its high-strength body structure ensures stable operation under high-speed processing and heavy load conditions, ensuring long-term reliable operation of the fixture.

[0004] Once a fixed clamp holds an object, it cannot rotate, requiring multiple disassembly and reassembly to complete multi-faceted machining. This increases clamping time and positioning errors, reducing efficiency and accuracy. For complex workpieces such as irregularly shaped or curved surfaces, it is difficult to adjust to a suitable machining angle, limiting operational flexibility. Furthermore, it increases the need for manual intervention, is unsuitable for automated production, and is prone to accelerated equipment wear due to repeated clamping, increasing the risk of failure. Its applicability is limited. Therefore, a multi-functional mechanical tooling fixture is needed to solve these problems. Summary of the Invention

[0005] To address the aforementioned technical problems, this invention provides a multifunctional mechanical tooling fixture, thereby improving the problem that existing mechanical tooling fixtures cannot rotate and process materials when gripping them.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A multifunctional mechanical tooling fixture includes a table, on which a lifting mechanism and a clamping mechanism are fixedly connected. The clamping mechanism includes a housing, a sliding plate, a rotating assembly, and a fixed clamp. The housing is fixed to the table, and a rack plate 1 and a rack plate 2 are slidably connected inside it. The rack plate 1 is connected to the sliding plate through a connecting plate. A motor 2 is provided on the housing, and the driving end of the motor 2 is connected to a gear 2 through a connecting rod 2. The gear 2 meshes with both rack plate 1 and rack plate 2. The rotating assembly is located on the sliding plate and is used to drive the fixed clamp to rotate.

[0008] Furthermore, the lifting mechanism includes a base, a support shell fixed on the base, and a motor. A rack column is slidably connected inside the support shell, and the top of the rack column is connected to the table. The drive end of the motor is connected to a gear through a connecting rod, and the gear meshes with the inside of the rack column.

[0009] Furthermore, a top cover is slidably connected to the top of the outer casing, a connecting plate is slidably connected inside the top cover, and the sliding plate is fixed to the outside of the top cover.

[0010] Furthermore, the rotating assembly includes a protective shell, a hydraulic press, a rack plate three, and a gear three; the protective shell is fixed to the sliding plate, and the hydraulic press is fixed inside it by a support block, and the drive end of the hydraulic press is connected to the rack plate three by a connecting block.

[0011] Furthermore, a connecting column is rotatably connected inside the sliding plate, and gear three is fixedly sleeved on the connecting column and meshes with rack plate three.

[0012] Furthermore, the fixing clip is fixedly connected to the end of the connecting column.

[0013] Furthermore, the sliding plate is provided with a mounting part through which the fixing clip or connecting post passes, and the fixing clip is rotatably mounted on the sliding plate via the connecting post.

[0014] Furthermore, an openable protective cover is slidably connected to the protective shell.

[0015] Furthermore, motor one and motor two are servo motors or stepper motors.

[0016] Furthermore, the clamping surface of the fixing clip is provided with anti-slip texture or replaceable flexible pad.

[0017] The present invention has the following beneficial effects:

[0018] (1) This invention integrates a clamping mechanism, a rotating component, and a lifting mechanism onto a worktable to form a multifunctional collaborative work unit. The clamping mechanism achieves rapid and stable clamping of the workpiece through synchronous driving of two racks in opposite directions; the rotating component, through hydraulic drive of rack and pinion transmission, can make precise angle adjustments without releasing the workpiece; the lifting mechanism achieves smooth lifting and lowering of the worktable through gear and rack transmission. The three work together to enable the workpiece to complete multi-process and multi-angle processing after one clamping, fundamentally reducing the time consumption and accumulated errors caused by repeated disassembly, reassembly, and alignment, thereby greatly improving processing efficiency and product consistency.

[0019] (2) The rotary function design of this invention effectively solves the problem that traditional fixed fixtures cannot adjust the workpiece machining posture, and is particularly suitable for work involving multi-faceted machining of irregularly shaped parts, curved surfaces, etc. Its stable clamping force combined with precise rotary positioning ensures the stability and accessibility of complex workpieces during the machining process. At the same time, the clamping, rotation and lifting actions of this fixture can all be driven by motors and hydraulic presses, making it easy to integrate with CNC systems or automated production lines, reducing manual intervention, meeting the needs of modern intelligent manufacturing for process flexibility and production automation, and expanding the application range of fixtures in high-precision and automated machining scenarios.

[0020] (3) The lifting mechanism of the present invention allows the height of the worktable to be flexibly and smoothly adjusted according to the operator's height or different processing needs, improving the comfort and convenience of operation. The transmission mechanism (gear-rack, hydraulic drive) of the entire fixture is reasonably designed and moves smoothly, effectively avoiding jamming and deviation during the adjustment process. In addition, the modular design concept makes the core units such as the clamping mechanism and rotating components compact and easy to maintain, reducing the risk of failure caused by frequent or improper operation, and improving the overall reliability, durability and adaptability of the equipment to different users and different working conditions. Attached Figure Description

[0021] Figure 1 This is a three-dimensional schematic diagram of a multifunctional mechanical tooling fixture proposed in this invention;

[0022] Figure 2 This is a schematic diagram of the structure of a hydraulic press for a multifunctional mechanical tooling fixture proposed in this invention;

[0023] Figure 3 This is a schematic diagram of the outer shell of a multifunctional mechanical tooling fixture proposed in this invention;

[0024] Figure 4 This is a schematic diagram of the rack column of a multifunctional mechanical tooling fixture proposed in this invention.

[0025] Legend:

[0026] 1. Tabletop; 2. Lifting mechanism; 21. Support shell; 22. Rack column; 23. Gear 1; 24. Connecting rod 1; 25. Motor 1; 26. Base; 3. Clamping mechanism; 31. Outer shell; 32. Rack plate 1; 33. Connecting plate; 34. Rack plate 2; 35. Gear 2; 36. Connecting rod 2; 37. Motor 2; 38. Top cover; 4. Sliding plate; 5. Rotating assembly; 51. Protective shell; 52. Protective cover; 53. Support block; 54. Hydraulic press; 55. Connecting block; 56. Rack plate 3; 57. Gear 3; 58. Connecting column; 6. Fixing clamp. Detailed Implementation

[0027] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, but the present invention is not limited thereto.

[0028] Reference Figures 1 to 3 The present invention provides a multifunctional mechanical tooling fixture, including a table 1. The table 1 serves as the basic load-bearing component of the entire fixture, providing an installation reference and stable support for each component. A clamping mechanism 3 is fixedly connected to the outside of the table 1, providing a solid mounting carrier and connection foundation for the clamping mechanism 3. A lifting mechanism 2 is also fixedly connected to the outside of the table 1, providing a reliable installation position and support force for the lifting mechanism 2. The clamping mechanism 3 includes a housing 31, which is an external protective shell for the clamping mechanism 3, protecting the internal parts from external dust, collisions, and other influences. A rack plate 32 is slidably connected inside the housing 31, providing a precise sliding track for the rack plate 32, ensuring that the rack plate 32 can slide smoothly and steadily.

[0029] A connecting plate 33 is fixedly connected to the outside of rack plate 32. Rack plate 32 is a key transmission component for transmitting power to achieve clamping action. Rack plate 34 is slidably connected inside the housing 31. The housing 31 provides suitable sliding space and guiding constraints for rack plate 34. Motor 37 is fixedly connected to the outside of the housing 31. The housing 31 provides a stable mounting platform for motor 37, ensuring that motor 37 will not deviate during operation. Connecting rod 36 is fixedly connected to the drive end of motor 37. The driving force of motor 37 is transmitted to connecting rod 36 through the drive end. Gear 35 is fixedly connected to the outside of connecting rod 36. Gear 35 is a key component for converting rotary motion into linear motion. Gear 35 is externally meshed with the outside of rack plate 32. The meshing transmission between gear 35 and rack plate 32 can convert the rotary motion of gear 35 into the linear sliding motion of rack plate 32.

[0030] Gear 2 35 is externally meshed with rack plate 2 34. Gear 2 35 meshes with rack plate 2 34. While driving rack plate 1 32 to move, it will also drive rack plate 2 34 to make a corresponding reverse movement. A top cover 38 is slidably connected to the outside of the outer shell 31. The outer shell 31 provides a sliding track for the top cover 38. The top cover 38 can slide along the outer shell 31. A sliding plate 4 is fixedly connected to the outside of the top cover 38. The top cover 38 provides mounting support for the sliding plate 4. The sliding plate 4 can slide together with the top cover 38. A rotating component 5 is fixedly connected to the outside of the sliding plate 4. The rotating component 5 can drive the clamped workpiece to rotate, realize the processing of the workpiece at different angles, and improve the multi-functionality of the fixture.

[0031] Reference Figures 2 to 4 The lifting mechanism 2 includes a support shell 21, which is the main frame of the lifting mechanism 2, providing installation space and structural support for internal components. A rack column 22 is slidably connected inside the support shell 21, providing precise sliding guidance and motion constraints for the rack column 22. A base 26 is fixedly connected to the outside of the support shell 21, providing a solid installation foundation for the base 26. The base 26 increases the contact area between the lifting mechanism 2 and the placement surface. A motor 25 is fixedly connected to the outside of the base 26, providing a stable installation platform for the motor 25. A connecting rod 24 is fixedly connected to the drive end of the motor 25. The motor 25 transmits rotational power to the connecting rod 24 through the drive end, causing the connecting rod 24 to rotate synchronously.

[0032] A gear 23 is fixedly connected to the outside of the connecting rod 24. When the connecting rod 24 rotates, it will drive the gear 23 to rotate together. The gear 23 is externally meshed with the inside of the rack column 22. The meshing of the gear 23 and the rack column 22 can convert the rotational motion of the gear 23 into the up-down linear motion of the rack column 22.

[0033] The rotating assembly 5 includes a protective shell 51, which is the external protective structure of the rotating assembly 5. A protective cover 52 is slidably connected to the outside of the protective shell 51. The protective shell 51 provides a sliding track for the protective cover 52, which can slide along the protective shell 51. The protective shell 51 is fixedly connected to the outside of the sliding plate 4, which provides reliable installation support and connection base for the protective shell 51.

[0034] The protective shell 51 has a support block 53 fixedly connected inside, providing a stable installation position for the support block 53. The support block 53 has a hydraulic press 54 fixedly connected inside, providing precise installation positioning and support for the hydraulic press 54. The drive end of the hydraulic press 54 is fixedly connected to a connecting block 55, which transmits power to the connecting block 55 through the drive end, causing the connecting block 55 to move linearly. The connecting block 55 has a rack plate 3 56 fixedly connected to the outside, providing a firm connection point for the rack plate 3 56 and causing the rack plate 3 56 to move synchronously. The sliding plate 4 has a connecting column 58 rotatably connected inside, providing rotational support and installation space for the connecting column 58.

[0035] The connecting column 58 is externally fixedly connected to a gear 3 57, which rotates synchronously with the connecting column 58. The outer shell 31 is externally fixedly connected to the outer surface of the table 1, which provides a stable mounting base and support for the outer shell 31, allowing the clamping mechanism 3 to be firmly fixed on the table 1. The connecting plate 33 is externally slidably connected to the inside of the top cover 38, which provides a sliding track and motion constraint for the connecting plate 33, allowing it to slide smoothly. The sliding plate 4 is externally rotatably connected to a fixed clamp 6, which provides a rotation connection point for the fixed clamp 6, allowing it to rotate flexibly to adjust the clamping angle. The connecting column 58 is externally fixedly connected to a fixed clamp 6, which rotates synchronously with the fixed clamp 6 when the connecting column 58 rotates, thus adjusting the angle of the fixed clamp 6 and the clamped workpiece, increasing the operational flexibility of the fixture.

[0036] Working principle:

[0037] When an object needs to be clamped, motor 2 37 will drive gear 2 35 to rotate, gear 2 35 will drive rack plate 1 32 and rack plate 2 34 to move, and sliding plate 4 connected to rack plate 1 32 and rack plate 2 34 through connecting plate 33 will clamp in the middle to achieve the purpose of fixing.

[0038] When the object needs to be rotated, the drive end of the hydraulic press 54 will drive the connecting block 55 to move. The rack plate 3 56, which is fixedly connected to the connecting block 55, will move left and right. The movement of the rack plate 3 56 will drive the gear 3 57 to rotate. The fixed clamp 6, which is fixedly connected to the gear 3 57 through the connecting column 58, will rotate, thereby achieving the effect of clamping and rotating the object.

[0039] When the tabletop 1 needs to move up and down, the motor 25 under the tabletop 1 will drive the connecting rod 24 at the drive end, which will drive the gear 23 fixedly connected to the outside of the connecting rod 24 to rotate. The rotation of the gear 23 will drive the rack column 22 to move up and down. The rack column 22 slides up and down inside the support shell 21 to achieve the purpose of adjusting the height of the tabletop 1.

Claims

1. A multifunctional mechanical tooling fixture, comprising a table, characterized in that: A lifting mechanism and a clamping mechanism are fixedly connected to the tabletop. The clamping mechanism includes a housing, a sliding plate, a rotating assembly, and a fixed clamp. The housing is fixed to the tabletop, and a rack plate 1 and a rack plate 2 are slidably connected inside it. The rack plate 1 is connected to the sliding plate through a connecting plate. A motor 2 is provided on the housing. The driving end of the motor 2 is connected to a gear 2 through a connecting rod 2. The gear 2 meshes with both rack plate 1 and rack plate 2. The rotating assembly is located on the sliding plate and is used to drive the fixed clamp to rotate.

2. The multifunctional mechanical tooling fixture according to claim 1, characterized in that: The lifting mechanism includes a base, a support shell fixed on the base, and a motor. A rack column is slidably connected inside the support shell. The top of the rack column is connected to the table. The drive end of the motor is connected to a gear through a connecting rod. The gear meshes with the inside of the rack column.

3. The multifunctional mechanical tooling fixture according to claim 1, characterized in that: The top of the outer shell is slidably connected to a top cover, the connecting plate is slidably connected to the inside of the top cover, and the sliding plate is fixed to the outside of the top cover.

4. The multifunctional mechanical tooling fixture according to claim 1, characterized in that: The rotating assembly includes a protective shell, a hydraulic press, a rack plate, and a gear. The protective shell is fixed to the sliding plate, and the hydraulic press is fixed inside it by a support block. The drive end of the hydraulic press is connected to the rack plate via a connecting block.

5. A multifunctional mechanical tooling fixture according to claim 4, characterized in that: The sliding plate is rotatably connected to a connecting column, and the gear three is fixedly sleeved on the connecting column and meshes with the rack plate three.

6. A multifunctional mechanical tooling fixture according to claim 5, characterized in that: The fixing clamp is fixedly connected to the end of the connecting column.

7. A multifunctional mechanical tooling fixture according to claim 6, characterized in that: The sliding plate is provided with a mounting part through which the fixing clip or connecting post passes, and the fixing clip is rotatably mounted on the sliding plate via the connecting post.

8. A multifunctional mechanical tooling fixture according to claim 4, characterized in that: An openable protective cover is slidably connected to the protective shell.

9. A multifunctional mechanical tooling fixture according to claim 1, characterized in that: The first motor and the second motor are servo motors or stepper motors.

10. A multifunctional mechanical tooling fixture according to claim 1, characterized in that: The clamping surface of the fixing clamp is provided with anti-slip texture or replaceable flexible pad.