Variable-pitch clamping jaw
By using a variable-pitch gripper design, the gripper distance is automatically adjusted using a servo motor and synchronous pulley assembly. This solves the problem that traditional grippers cannot adapt to workpieces of different sizes and shapes, improving production efficiency and stability while reducing costs.
Patent Information
- Application Number
- CN202422788129.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-15
AI Technical Summary
Traditional gripper structures are fixed and cannot adapt to workpieces of different sizes and shapes, leading to frequent gripper replacements, increased costs, reduced production efficiency, and the risk of damaging the workpieces.
A variable-pitch gripper was designed, which automatically adjusts the gripper distance through a servo motor, synchronous pulley assembly and pitch adjustment rod. Combined with pneumatic grippers, floating mechanism and photoelectric sensor, it can adapt to the clamping requirements of different workpieces.
The applicability of the gripper device has been improved, the number of replacements has been reduced, multiple workpieces can be gripped at the same time, production efficiency has been improved, labor costs have been reduced, and the stability and intelligence of the gripping have been enhanced.
Smart Images
Figure CN223456022U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to workpiece clamping technical field especially is a kind of variable distance clamping jaw. BACKGROUND
[0002] With the rapid development of industrial automation, industrial manipulators are increasingly widely used in automated production lines. These manipulators need to perform various tasks, including but not limited to grasping, carrying and assembling workpieces. In the changing production environment, the shapes, sizes and volumes of workpieces vary, which requires the clamping jaws of industrial manipulators to adapt to these differences to efficiently and accurately complete the clamping task.
[0003] However, traditional clamping jaw structures have some limitations. They are usually fixed in size, which means that when faced with workpieces of different sizes, it may be necessary to frequently replace the clamping jaws or use multiple clamping jaws of different sizes. Such operation not only increases production costs but also reduces production efficiency, as each replacement of the clamping jaws requires additional time and labor. In addition, fixed clamping jaws may not be able to adapt to irregularly shaped workpieces, increasing the risk of damaging the workpieces during the clamping process. SUMMARY
[0004] To this end, the utility model solves the technical problems in the prior art by providing a variable distance clamping jaw that can automatically adjust the distance of the clamping jaws, realize the grasping of workpieces of different sizes, reduce the frequency of replacing the clamping jaws, improve production efficiency and reduce costs.
[0005] To solve the above technical problems, the utility model provides a variable distance clamping jaw, comprising a support plate, a driving mechanism and a plurality of clamping jaw assemblies, the driving mechanism comprising a servo motor, a synchronous pulley assembly and a distance adjustment rod, the servo motor being arranged on the side of the support plate through a motor mounting plate, the distance adjustment rod being arranged on the support plate through a fixing seat, the servo motor being connected to one end of the distance adjustment rod through the synchronous pulley assembly, and the clamping jaw assemblies being connected to the distance adjustment rod through transverse adjustment seats.
[0006] In one embodiment of the utility model, first linear slides are arranged on both sides of the distance adjustment rod on the support plate, and the first linear slides are slidably connected to the transverse adjustment seats.
[0007] In one embodiment of the utility model, the distance adjustment rod comprises a rod body, and a plurality of threads with different distances are arranged on the rod body.
[0008] In an embodiment of the utility model, the clamping jaw assembly comprises a connecting plate, a second linear slide rail, a pneumatic clamping jaw and a floating mechanism, the connecting plate is arranged on the transverse adjusting seat, the second linear slide rail is arranged on the connecting plate, the pneumatic clamping jaw is connected with the second linear slide rail through the longitudinal adjusting seat, and the pneumatic clamping jaw is connected with the connecting plate through the floating mechanism.
[0009] In an embodiment of the utility model, the floating mechanism comprises a floating base, a floating connecting rod and a buffer spring, the floating base is arranged on the connecting plate, one end of the floating connecting rod is connected with the floating base, the other end is connected with the pneumatic clamping jaw, and the buffer spring sleeve is arranged on the outer side of the floating connecting rod.
[0010] In an embodiment of the utility model, the transverse adjusting seat is provided with an arc-shaped groove and a mounting fixed part, the arc-shaped groove is provided with a spiral thread matched with the spacing adjusting rod.
[0011] In an embodiment of the utility model, the pneumatic clamping jaw and the transverse adjusting seat are provided with a reinforcing connecting piece, and the reinforcing connecting piece is L-shaped.
[0012] In an embodiment of the utility model, the clamping block of the pneumatic clamping jaw comprises at least four, and the inner side of each clamping block is provided with an elastic pad.
[0013] In an embodiment of the utility model, the pneumatic clamping jaw is provided with a photoelectric sensor for detecting whether the pneumatic clamping jaw clamps the workpiece.
[0014] In an embodiment of the utility model, the synchronous pulley assembly comprises a driving pulley, a driven pulley and a synchronous belt, the driving pulley is connected with the driving shaft of the servo motor, one end of the spacing adjusting rod is connected with the driven pulley, and the driving pulley and the driven pulley are driven through the synchronous belt.
[0015] The above technical scheme of the utility model has the following beneficial effects compared with the prior art:
[0016] The variable-distance clamping jaw can freely adjust the distance between clamping jaws according to the size of workpieces to adapt to the arrangement requirements of different workpieces, the design improves the applicability of the clamping jaw device in actual production, the device need not be frequently replaced, can be compatible with multiple products, multiple parallel clamping jaws can grasp multiple workpieces at a time, can continuously work, quickly respond to production instructions, accurately complete tasks such as grasping, carrying and assembling, greatly improve production efficiency and reduce labor cost. DRAWINGS
[0017] In order to make the content of the utility model more easily be clearly understood, the following according to the specific embodiment of the utility model and combining with the drawings, the utility model is further explained in detail, wherein
[0018] Figure 1 It is the structure diagram of the variable distance clamp jaw in the preferred embodiment of the utility model;
[0019] Figure 2 It is Figure 1 The structure diagram of the jaw assembly of the variable distance clamp jaw shown in the figure;
[0020] Figure 3 It is Figure 1 The structure diagram of the distance adjusting rod of the variable distance clamp jaw shown in the figure;
[0021] Description of the drawing mark of the specification: 1, support plate;2, driving mechanism;21, servo motor;22, synchronous pulley assembly;23, distance adjusting rod;231, rod body;232, screw;24, transverse adjusting seat;241, arc-shaped groove;242, installation fixed part;243, sliding floating base;3, jaw assembly;31, connecting plate;32, second linear slide rail;33, pneumatic clamp jaw;331, clamping block;34, floating mechanism;341, floating base;342, floating connecting rod;343, buffer spring;35, longitudinal adjusting seat;36, photoelectric sensor;37, reinforcing connecting piece. Specific implementation
[0022] The utility model is further explained in combination with the drawings and specific embodiment, so that the person skilled in the art can better understand the utility model and can be implemented, but the embodiment is not as the limitation of the utility model.
[0023] Refer to Figure 1 The utility model discloses a variable distance clamp jaw, including support plate 1, driving mechanism 2 and a plurality of jaw assemblies 3, the driving mechanism 2 includes servo motor 21, synchronous pulley assembly 22 and distance adjusting rod 23, the servo motor 21 is set on the side of the support plate 1 through motor mounting plate 24, the distance adjusting rod 23 is set on the support plate 1 through fixed seat, the servo motor 21 is connected with one end of the distance adjusting rod 23 through synchronous pulley assembly 22, the jaw assembly 23 is connected with the distance adjusting rod 23 through transverse adjusting seat 24. Through the cooperation of servo motor 21, synchronous pulley assembly and 22 distance adjusting rod 23, the dynamic adjustment of the distance of jaw assembly 3 is realized, to adapt to different size objects, reduce the frequency of replacing clamp jaw, improve production efficiency.
[0024] Further, the support plate 1 is provided with a first linear slide rail 11 on both sides of the spacing adjustment rod 23, and the first linear slide rail 3 is in sliding connection with the transverse adjustment seat 24. The sliding connection of the first linear slide rail 11 and the transverse adjustment seat 24 enables the transverse adjustment seat 24 to move flexibly along the spacing adjustment rod 23, further enhancing the adaptability of the clamping jaw assembly 3 to objects of different sizes.
[0025] As shown in Figure 2 The spacing adjustment rod 23 includes a rod body 231, and a plurality of threads 232 with different spacings are arranged on the rod body 231. The design of the threads 232 with different spacings on the spacing adjustment rod 23 allows the clamping jaw assembly 3 to have higher precision and flexibility when adjusting the spacing, so as to adapt to a wider range of object sizes.
[0026] As shown in Figure 3 The clamping jaw assembly 3 includes a connecting plate 31, a second linear slide rail 32, a pneumatic clamping jaw 33, and a floating mechanism 34. The connecting plate 31 is arranged on the transverse adjustment seat 24, the second linear slide rail 32 is arranged on the connecting plate 31, the pneumatic clamping jaw 33 is connected to the second linear slide rail 32 through a longitudinal adjustment seat 35, and the pneumatic clamping jaw 33 is connected to the connecting plate 31 through the floating mechanism 34. The floating mechanism 34 is designed to provide buffering and adaptability to different object shapes, reduce the risk of damage to the object during clamping, and improve the stability and reliability of clamping, which is crucial for improving the flexibility and reliability of the automated production line.
[0027] In this embodiment, the floating mechanism 34 includes a floating base 341, a floating connecting rod 342, and a buffer spring 343. The floating base 341 is arranged on the connecting plate 31, one end of the floating connecting rod 342 is connected to the floating base 341, the other end is connected to the pneumatic clamping jaw 33, and the buffer spring 343 is arranged outside the floating connecting rod 342. The floating base 341 is provided with a circular hole, and the floating connecting rod 342 can float up and down in the circular hole of the floating base 341. When the pneumatic clamping jaw 33 clamps an object, the pneumatic clamping jaw 33 can be evenly distributed on the object through the movement of the floating connecting rod 342, reducing damage caused by excessive local pressure. The buffer spring 343 can absorb the impact caused by rapid clamping or irregular object shape, reducing damage to the object and the pneumatic clamping jaw 33. Moreover, during clamping, if the object shape is irregular or the surface is uneven, the buffer spring 343 can dynamically adjust the pressure of the clamping jaw, maintaining a stable clamping force.
[0028] Preferably, the lateral adjusting seat 24 is provided with an arc-shaped groove 241 and a mounting fixing part 242, the arc-shaped groove 241 is provided with a spiral thread matched with the pitch adjusting rod 23, and the lateral adjusting seat 24 is provided with a sliding base 243 at both ends of the arc-shaped groove 241.
[0029] In the embodiment, a reinforcing connector 37 is arranged between the pneumatic clamping jaw 33 and the lateral adjusting seat 24, and the reinforcing connector 37 is in L shape. The L-shaped design of the reinforcing connector 37 enhances the connection strength between the pneumatic clamping jaw 33 and the lateral adjusting seat 24, and improves the structural stability and durability of the clamping jaw assembly 3.
[0030] Preferably, the clamping block 331 of the pneumatic clamping jaw 33 includes four clamping blocks, and the inner side of each clamping block 331 is provided with an elastic pad. The elastic pad on the inner side of the clamping block 331 provides better clamping force distribution, reduces damage to the clamped object, and improves the stability of clamping.
[0031] Further, the pneumatic clamping jaw 33 is provided with a photoelectric sensor 36 for detecting whether the pneumatic clamping jaw 33 clamps the workpiece. The arrangement of the photoelectric sensor 35 realizes real-time monitoring of the clamping state of the pneumatic clamping jaw 33, avoids the situation of missing materials, improves the intelligent level of the automatic production line, and reduces production accidents caused by clamping failure.
[0032] In the embodiment, the synchronous belt wheel assembly 22 includes a driving belt wheel, a driven belt wheel and a synchronous belt, the driving belt wheel is connected with the driving shaft of the servo motor 21, the driven belt wheel is connected with one end of the pitch adjusting rod, and the driving belt wheel and the driven belt wheel are driven by the synchronous belt. The design of the synchronous belt wheel assembly 22 ensures the accurate movement of the pitch adjusting rod 23 through the synchronous transmission of the driving belt wheel and the driven belt wheel, and improves the accuracy and reliability of the pitch adjustment of the clamping jaw assembly 3.
[0033] Obviously, the above embodiments are only examples for clearly illustrating, and are not limited to the embodiments. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the embodiments. The obvious changes or variations derived therefrom are still within the protection scope of the present application.
Claims
1. A variable distance jaw, characterized by: Including support plate, drive mechanism and several jaw assemblies, the drive mechanism includes servo motor, synchronous pulley assembly and spacing adjustment rod, the servo motor is arranged on the side of the support plate through the motor mounting plate, the spacing adjustment rod is arranged on the support plate through the fixed seat, the servo motor is connected with one end of the spacing adjustment rod through the synchronous pulley assembly, the jaw assembly is connected with the spacing adjustment rod through the transverse adjusting seat.
2. A variable distance jaw as claimed in claim 1, characterized in that: First linear slide rail is arranged on both sides of the spacing adjustment rod on the support plate, and the first linear slide rail is connected with the transverse adjusting seat in sliding mode.
3. A variable distance jaw as claimed in claim 2, wherein: The spacing adjustment rod includes a rod body, and a plurality of threads with different spacings are arranged on the rod body.
4. A variable distance jaw as claimed in claim 3, wherein: The jaw assembly includes a connecting plate, a second linear slide rail, a pneumatic jaw and a floating mechanism, the connecting plate is arranged on the transverse adjusting seat, the second linear slide rail is arranged on the connecting plate, the pneumatic jaw is connected with the second linear slide rail through the longitudinal adjusting seat, and the pneumatic jaw and the connecting plate are connected through the floating mechanism.
5. A variable distance jaw as claimed in claim 4, wherein: The floating mechanism includes a floating base, a floating connecting rod and a buffer spring, the floating base is arranged on the connecting plate, one end of the floating connecting rod is connected with the floating base, the other end is connected with the pneumatic jaw, and the buffer spring sleeve is arranged on the outer side of the floating connecting rod.
6. A variable distance jaw according to claim 5, wherein: An arc-shaped groove and a mounting fixed part are arranged on the transverse adjusting seat, and a spiral thread matched with the spacing adjustment rod is arranged in the arc-shaped groove.
7. A variable distance jaw according to claim 6, wherein: A reinforcing connector is arranged between the pneumatic jaw and the transverse adjusting seat, and the reinforcing connector is L-shaped.
8. A variable distance jaw according to claim 7, wherein: The clamping blocks of the pneumatic jaw include at least four, and an elastic pad is arranged on the inner side of each clamping block.
9. A variable distance jaw according to claim 8, wherein: An optical sensor is further arranged on the pneumatic jaw, which is used for detecting whether the pneumatic jaw clamps the workpiece.
10. The variable distance jaw of claim 1, wherein: The synchronous pulley assembly includes a driving pulley, a driven pulley and a synchronous belt, the driving pulley is connected with the driving shaft of the servo motor, the driven pulley is connected with one end of the spacing adjustment rod, and the driving pulley and the driven pulley are driven through the synchronous belt.