Novel claw placing assembly
By designing a new jaw assembly, the drive screw and gearbox drive jaws for precise movement, the problems of insufficient clamping force and poor stability of traditional jaws are solved, and efficient and precise workpiece clamping and operation are achieved.
Patent Information
- Application Number
- CN202421812163.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-30
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-07-30
AI Technical Summary
Traditional claws require extremely large clamping force when clamping large workpieces. It is difficult to achieve the required clamping force by ordinary manual operation, and it is poor in stability, low accuracy and low efficiency.
A new type of claw assembly is designed, including a claw seat, a transmission screw, a slide, a claw, a directional plate and a gear box. The claws on the slide are driven to move up and down or horizontally through the transmission screw. The directional plate defines the range of motion of the transmission screw to ensure that the movement of the claws is carried out within the required trajectory.
It realizes stable gripping, adjustment and positioning of the workpiece, improves clamping force, stability and accuracy, and improves operating efficiency.
Smart Images
Figure CN222843605U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of gripper technology, and in particular to a novel gripper assembly. Background Technology
[0002] A jaw is a clamping unit used in conjunction with a large chuck, faceplate, or worktable. It consists of main parts such as jaw base, jaws, lead screw, and connecting screws, forming a self-contained unit. It is particularly suitable for large horizontal and vertical lathes and is usually used in groups of four. According to the requirements of a large domestic Class A industrial machine tool manufacturer, ordinary jaws cannot meet the requirements. It is necessary to improve the structural design and performance, and add auxiliary clamping devices to adjust and control the clamping force and reliability of the jaws. Therefore, although this chuck is a component of a fixture, considering factors such as manufacturing foundation, main machine tool compatibility, and market benefits, its economic and social benefits are highly feasible and necessary. Therefore, actively meeting the challenge is imperative.
[0003] However, traditional clamping jaws require extremely high clamping force when holding large workpieces. Ordinary manual operation cannot achieve the required clamping force, and the clamping force is poor, inaccurate, and inefficient. Therefore, a novel clamping jaw assembly is provided to solve the problems mentioned in the background art. Utility Model Content
[0004] To overcome the above shortcomings, this utility model provides a novel gripper assembly, which aims to improve the problems of traditional ordinary grippers in the prior art, which require extremely large clamping forces when holding large workpieces. Ordinary manual operation cannot achieve the required clamping force, and the grippers also suffer from poor stability, low precision, and low efficiency.
[0005] To achieve the above objectives, this utility model provides the following technical solution: A novel claw assembly includes a claw seat, a fixed base fixedly connected to the upper part of the claw seat, a transmission screw provided on the upper part of the fixed base, a flat key provided on the upper side of the transmission screw, a thrust self-aligning roller bearing provided on the outside of the transmission screw, a slide provided on the upper part of the transmission screw, a claw provided on the upper part of the slide, a connector fixedly connected to the inner side of the claw and the slide, a hexagonal head screw five provided inside the connector, a gearbox provided on the upper left side of the transmission screw, a countersunk screw provided on the right side of the gearbox, a large gear provided inside the gearbox, a gear shaft provided at the front of the large gear, a gearbox cover provided at the rear of the gearbox, a screw one provided on the rear side of the inside of the gearbox, a needle roller bearing without an inner ring provided on the outside of the screw one, two bearings provided on the front right side of the screw one, and an orientation component provided inside the claw seat for orienting the claw.
[0006] Furthermore, the orientation component includes an orientation plate, which is fixedly connected to the outside of the fixing base. A stop is provided on the upper part of the orientation plate, and an internal hexagon head screw is provided inside the orientation plate. The internal hexagon head screw is threaded into the inside of the stop.
[0007] Furthermore, a bolt is provided on the inner left side of the fixing seat, a large washer is provided on the outer upper side of the bolt, a nut is provided on the upper part of the large washer, a second screw is provided on the rear part of the claw seat, and an internally threaded cylindrical pin is provided on the inner side of the second screw.
[0008] Furthermore, a hexagonal head screw is provided on the left side of the inside of the chuck seat, a hexagonal head screw is provided on the right side of the inside of the chuck seat, an internally threaded cylindrical pin is provided on the upper side of the inside of the gearbox, and an internally threaded cylindrical pin is provided on the lower side of the inside of the gearbox.
[0009] Furthermore, a wrench rod is provided at the rear of the claw seat, and a wrench head is fixedly connected to the lower part of the wrench rod.
[0010] Furthermore, a guide block is provided on the lower right side of the fixed base, and an internal hexagonal head screw is provided inside the guide block. The internal hexagonal head screw is threaded to the lower part of the claw base.
[0011] Furthermore, the interior of the chuck seat is provided with two internal hexagonal head screws.
[0012] Furthermore, a protrusion is fixedly connected to the lower part of the chuck seat, and a guard plate is provided on the upper part of the gearbox.
[0013] This utility model has the following beneficial effects:
[0014] 1. In this utility model, when the transmission screw is operated, it drives the chuck on the slide to move up and down or horizontally through the transmission inside the gearbox. The guide plate limits the range of movement of the transmission screw through the stop block, ensuring that the movement of the chuck is within the required trajectory. The operator operates the chuck seat electrically or manually to grasp, adjust or position the workpiece or other objects. Attached Figure Description
[0015] Figure 1 This is a perspective view of a novel claw assembly proposed in this utility model;
[0016] Figure 2 This is a schematic diagram of the internal structure of a novel claw assembly proposed in this utility model;
[0017] Figure 3 This is a top view of a novel claw assembly proposed in this utility model;
[0018] Figure 4 This is a side view of a novel claw assembly proposed in this utility model;
[0019] Figure 5 This is a partial structural diagram of a novel claw assembly proposed in this utility model.
[0020] Legend:
[0021] 1. Claw seat; 2. Fixed seat; 3. Drive screw; 4. Slide; 5. Connecting part; 6. Claw; 7. Guard plate; 8. Gearbox; 9. Large gear; 10. Gear shaft; 11. Gearbox cover; 12. Wrench lever; 13. Wrench head; 14. Guide block; 15. Stop block; 16. Orienting plate; 17. Protrusion; 18. Large washer; 19. Bearing; 20. Needle roller bearing without inner ring; 21. Flat key; 22. Thrust self-aligning roller bearing 23. Screw 1; 24. Bolt; 25. Internal threaded cylindrical pin 1; 26. Screw 2; 27. Nut; 28. Socket head cap screw 1; 29. Slotted countersunk screw; 30. Socket head cap screw 2; 31. Socket head cap screw 3; 32. Socket head cap screw 4; 33. Socket head cap screw 5; 34. Internal threaded cylindrical pin 2; 35. Internal threaded cylindrical pin 3; 36. Socket head cap screw 6. Detailed Implementation
[0022] 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.
[0023] Reference Figure 1 , Figure 2 and Figure 3This utility model provides one embodiment: a novel claw assembly, including a claw seat 1, a fixed seat 2 fixedly connected to the upper part of the claw seat 1, a transmission screw 3 disposed on the upper part of the fixed seat 2, a flat key 21 disposed on the upper side of the transmission screw 3, a thrust self-aligning roller bearing 22 disposed on the outside of the transmission screw 3, a slide 4 disposed on the upper part of the transmission screw 3, a claw 6 disposed on the upper part of the slide 4, a connecting member 5 fixedly connected to the inner side of the claw 6 and the slide 4, and an internal hexagonal head screw 33 disposed inside the connecting member 5. A gearbox 8 is located on the upper left side of the moving lead screw 3. A slotted countersunk screw 29 is located on the right side of the gearbox 8. A large gear 9 is located inside the gearbox 8. A gear shaft 10 is located in front of the large gear 9. A gearbox cover 11 is located at the rear of the gearbox 8. A screw 23 is located on the rear side inside the gearbox 8. A needle roller bearing 20 without an inner ring is located outside the screw 23. Two bearings 19 are located on the front right side of the screw 23. An orientation component is located inside the chuck seat 1. The orientation component is used to orient the chuck 6.
[0024] The fixed base 2 is located at the bottom of the chuck base 1, providing structural support and fixing it in the required position. The transmission screw 3 is mounted on the upper part of the fixed base 2 and its rotation is controlled by the gearbox 8. There is a flat key 21 on the top of the transmission screw 3 to ensure proper connection with other components. The thrust self-aligning roller bearing 22 is mounted on the outside of the transmission screw 3 to reduce the friction of the transmission screw 3 during movement and ensure smooth and efficient operation. The slide 4 is mounted on the top of the transmission screw 3. The chuck 6 is firmly connected to the slide 4 through the connector 5 to ensure the stability and reliability of the chuck 6 during movement. The large gear 9 is connected to the transmission screw 3 through the gear shaft 10. The function of the gearbox 8 is to convert the rotational motion of the transmission screw 3 into other forms of linear or angular motion. The gears inside the gearbox 8 ensure the stability and controllability of the movement of the transmission screw 3, so that the operation of the chuck 6 can be precisely positioned.
[0025] Reference Figure 1 and Figure 4 The orientation component includes an orientation plate 16, which is fixedly connected to the outside of the fixing base 2. A stop block 15 is provided on the upper part of the orientation plate 16, and an internal hexagonal head screw 36 is provided inside the orientation plate 16. The internal hexagonal head screw 36 is threadedly connected to the inside of the stop block 15.
[0026] The guide plate 16 is fixedly installed on the outside of the fixed base 2 and fastened by the hex socket head cap screw 36. There is a stop 15 on the upper part of the guide plate 16, which limits the range and direction of movement of the transmission screw 3 and ensures that the operation of the pawl 6 is carried out within the predetermined trajectory.
[0027] Reference Figure 1 , Figure 3 and Figure 5A bolt 24 is located on the left side inside the fixed base 2. A large washer 18 is located on the upper side of the bolt 24. A nut 27 is located on the upper part of the large washer 18. A screw 26 is located at the rear of the chuck seat 1. A threaded cylindrical pin 25 is located inside the screw 26. A hexagonal head screw 31 is located on the left side inside the chuck seat 1. A hexagonal head screw 32 is located on the right side inside the chuck seat 1. A threaded cylindrical pin 34 is located on the upper side inside the gearbox 8. A threaded cylindrical pin 34 is located on the lower side inside the gearbox 8. The gearbox 8 is equipped with a threaded cylindrical pin 35, a wrench rod 12 is provided at the rear of the pawl seat 1, a wrench head 13 is fixedly connected to the lower part of the wrench rod 12, a guide block 14 is provided on the lower right side of the fixed seat 2, a hexagonal head screw 28 is provided inside the guide block 14, the hexagonal head screw 28 is threaded to the lower part of the pawl seat 1, a hexagonal head screw 30 is provided inside the pawl seat 1, a protrusion 17 is fixedly connected to the lower part of the pawl seat 1, and a guard plate 7 is provided on the upper part of the gearbox 8.
[0028] Bolt 24 and large washer 18 are installed inside the fixed seat 2. Bolt 24 is threaded to fix the jaw seat 1. Large washer 18 is used to enhance the stability and load-bearing capacity of the connection. Screw 26 is used to install and fix internal components. Internal threaded cylindrical pin 25 is used to provide further fixation and support, ensuring that screw 26 will not loosen or fail during movement and operation. Hex socket head cap screws 31 and 32 are used to fix and support the internal structure, ensuring its position and stability. Internal threaded cylindrical pins 34 and 35 are used to install and support internal gears. They ensure the stability and reliability of the internal components of gearbox 8, while providing necessary structural support. Wrench lever 12 is located at the rear of jaw seat 1 for manual operation. The operator can use the wrench lever 12 to... 2 and wrench head 13 precisely adjust the position and posture of the pawl 6 to adapt to different working requirements. The guide block 14 and the internal hex head screw 28 ensure a firm connection between the pawl seat 1 and the fixed seat 2, so that the pawl seat 1 remains stable during movement and operation. The internal hex head screw 30 ensures that the internal components of the pawl seat 1 will not loosen or shift during movement and operation, thereby improving the overall stability and safety. The protrusion 17 provides additional support and structural strength, enabling the pawl seat 1 to withstand the force and pressure from the working load, while increasing the durability of the system. The guard plate 7 protects the gears and transmission components inside the gearbox 8 from external environmental pollution or damage. It also prevents accidental contact or objects from entering the gearbox 8, thereby ensuring the reliability and long service life of the gear transmission system.
[0029] Working principle: When using this device, when the transmission screw 3 is operated, it drives the chuck 6 on the slide 4 to move up and down or horizontally through the transmission inside the gearbox 8. The guide plate 16 limits the range of movement of the transmission screw 3 through the stop block 15, ensuring that the chuck's movement is within the required trajectory. The operator operates the chuck seat 1 electrically or manually to grasp, adjust or position the workpiece or other objects.
[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A novel jaw assembly, comprising a jaw seat (1), characterized in that: The upper part of the clamping claw seat (1) is fixedly connected to a fixing seat (2), a transmission screw (3) is arranged on the upper part of the fixing seat (2), a flat key (21) is arranged on the upper side of the transmission screw (3), a thrust spherical roller bearing (22) is arranged on the outside of the transmission screw (3), a sliding seat (4) is arranged on the upper part of the transmission screw (3), a clamping claw (6) is arranged on the upper part of the sliding seat (4), a connecting piece (5) is fixedly connected to the inner side of the clamping claw (6) and the sliding seat (4), a hexagon socket head screw (33) is arranged inside the connecting piece (5), and a gear is arranged on the left side of the upper part of the transmission screw (3). A gear box (8) is provided with a slotted countersunk screw (29) on the right side of the gear box (8), a large gear (9) is provided inside the gear box (8), a gear shaft (10) is provided at the front of the large gear (9), a gear box cover (11) is provided at the rear of the gear box (8), a screw 1 (23) is provided on the rear side of the interior of the gear box (8), a needle bearing without an inner ring (20) is provided on the outside of the screw 1 (23), two bearings (19) are provided on the right side of the front of the screw 1 (23), and an orientation component is provided inside the claw seat (1), and the orientation component is used to orient the claw (6).
2. A new claw assembly according to claim 1, characterized in that: The orientation assembly comprises an orientation plate (16), the orientation plate (16) being fixedly connected to the outside of a fixing seat (2), a stopper (15) being arranged on the upper part of the orientation plate (16), and a hexagon socket head screw (36) being arranged inside the orientation plate (16), and the hexagon socket head screw (36) being threadedly connected to the inside of the stopper (15).
3. A new type of claw assembly according to claim 1, characterized in that: A bolt (24) is arranged on the left side of the interior of the fixing seat (2), a large gasket (18) is arranged on the upper side of the exterior of the bolt (24), a nut (27) is arranged on the upper part of the large gasket (18), a screw 2 (26) is arranged on the rear part of the clamping claw seat (1), and an internally threaded cylindrical pin 1 (25) is arranged on the inner side of the screw 2 (26).
4. A new claw assembly according to claim 1, characterized in that: The left side of the interior of the claw seat (1) is provided with a three hexagon socket head screw (31), the right side of the interior of the claw seat (1) is provided with a four hexagon socket head screw (32), the upper side of the interior of the gear box (8) is provided with a two internal threaded cylindrical pin (34), and the lower side of the interior of the gear box (8) is provided with a three internal threaded cylindrical pin (35).
5. A new type of claw assembly according to claim 1, characterized in that: A wrench rod (12) is arranged at the rear of the clamping claw seat (1), and a wrench head (13) is fixedly connected to the lower part of the wrench rod (12).
6. A new type of claw assembly according to claim 1, characterized in that: A guide block (14) is provided on the right side of the lower part of the fixing seat (2), and a hexagon socket head screw (28) is provided inside the guide block (14). The hexagon socket head screw (28) is threadedly connected to the lower part of the claw seat (1).
7. A new type of claw assembly according to claim 1, characterized in that: The interior of the clamping claw seat (1) is provided with two hexagon socket head screws (30).
8. A new type of claw assembly according to claim 1, characterized in that: A protrusion (17) is fixedly connected to the lower part of the claw seat (1), and a guard plate (7) is arranged on the upper part of the gear box (8).