Clamping jaw device
By designing a multi-degree-of-freedom movement jaw device, combined with the precise driving mechanism and an automated adaptation mechanism, the problem of insufficient flexibility and adaptability of traditional jaw devices when facing complex materials is solved, and efficient and stable material clamping and production line efficiency are achieved.
Patent Information
- Application Number
- CN202421562236.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-03
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-07-03
AI Technical Summary
When traditional jaw devices face materials of complex shapes, different sizes or textures, they cannot provide sufficient flexibility and adaptability, and are prone to problems such as unstable grasping and uneven clamping force.
A jaw device including jaws, jaw pallets and jaw lifting mechanism is designed. The jaws perform multiple degrees of freedom movements of the arm, swing arm and connecting arm through the jaws, and combine the precise transmission of the jaw drive mechanism and the eccentric setting of the rotating shaft to achieve automatic adaptation to items of different sizes.
It improves the flexibility and adaptability of clamping, ensures stable clamping of complex or irregularly shaped items, reduces the need for manual operation, and improves the efficiency of the production line and the accuracy of the operation.
Smart Images
Figure CN222945571U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of material clamping, in particular to a clamping claw device. Background Art
[0002] In the field of industrial automation, the gripper device is a key component of various robotic arms and automation equipment, and is widely used in material grabbing, positioning, handling and other operations. With the improvement of industrial automation level, the performance requirements for the gripper device are also increasing, especially in terms of accuracy, speed, stability and adaptability.
[0003] Traditional clamping devices are mostly simple open-and-close structures, such as using a cylinder or electric push rod to directly drive the opening and closing of the two clamping arms. However, this structure often cannot provide sufficient flexibility and adaptability when facing materials with complex shapes, different sizes or different textures, and is prone to problems such as unstable grasping and uneven clamping force. In addition, the clamping device that uses a cylinder to control the opening and closing of the clamping device has a problem that the stroke of the clamping drive cylinder is large, but the clamping closing size of the material-retrieving clamping device is small. Utility Model Content
[0004] The utility model provides a clamping jaw device, which solves the problem in the related art that the clamping jaw using a cylinder to control the opening and closing has a large stroke of the clamping jaw driving cylinder, but a small clamping closing size of the material taking clamping jaw.
[0005] The technical solution of the utility model is as follows:
[0006] A clamping jaw device comprises: a clamping jaw, a clamping jaw supporting plate and a clamping jaw lifting mechanism, wherein the clamping jaw is arranged on the clamping jaw supporting plate, the clamping jaw lifting mechanism is connected to the clamping jaw supporting plate and is used to drive the lifting and lowering of the clamping jaw supporting plate, the clamping jaw comprises a clamping jaw executing arm, a clamping jaw swinging arm, a clamping jaw connecting arm and a clamping jaw driving mechanism; a clamping jaw bracket is arranged on the clamping jaw supporting plate, one end of the clamping jaw swinging arm is rotatably connected to the clamping jaw bracket, and the other end is connected to one end of the clamping jaw connecting arm through a rotating shaft, the other end of the clamping jaw connecting arm is connected to the middle part of the clamping jaw executing arm through an eccentric shaft, and the telescopic rod of the clamping jaw driving mechanism is connected to the rotating shaft and is used to drive the clamping jaw executing arm to approach or move away from the clamping jaw supporting plate to realize the opening and closing of the clamping jaw.
[0007] Preferably, the front end of the clamping jaw support plate is in the shape of a fork.
[0008] Preferably, a swingable clamping plate is installed at the end of the clamping jaw actuator arm.
[0009] Preferably, it also includes a clamping jaw push plate, which is arranged on a supporting plate below the clamping jaw actuator arm.
[0010] Preferably, the swing center hole of the rotating shaft is eccentrically arranged, and the rotating shaft is slidably arranged in the arc-shaped mounting hole on the clamping jaw actuator arm. After the rotating shaft slides in the arc-shaped mounting hole, it is used to adjust the closing size of the clamping jaw.
[0011] Preferably, a plurality of fixing holes are provided at the end of the clamping jaw actuator arm, and the fixing holes are used to cooperate with the arc-shaped limiting grooves on the clamping jaw bracket. After the clamping jaw actuator arm moves in the plurality of the fixing holes, it is used to adjust the opening size of the clamping jaw.
[0012] The working principle and beneficial effects of the utility model are:
[0013] In the utility model, the design of the gripper actuator arm, the swing arm and the connecting arm allows the gripper to move in multiple degrees of freedom, which not only improves the flexibility of gripping, but also enables the device to adapt to the gripping needs of complex or irregularly shaped objects. The connection between the telescopic rod of the gripper drive mechanism and the rotating shaft ensures the direct and accurate transmission of power, making the opening and closing actions of the gripper more stable and reliable. Through the eccentric setting of the rotating shaft and the design of the arc-shaped mounting hole, the gripper can adapt to objects of different sizes without manual adjustment, thereby improving the degree of automation and operating efficiency. The fork-shaped gripper support plate front end design provides a better support point, reduces the shaking during the gripping process, and ensures the stability and safety of the operation. The swingable clamping plate and the gripper push plate at the end of the gripper actuator arm simplify the gripping and releasing actions, reduce the operating steps, and improve the work efficiency. Through the cooperation of the fixing hole and the arc-shaped limit groove, the clamping force of the gripper can be fine-tuned to avoid damage to fragile or sensitive objects. The design of this gripper device enables it to be applicable to a variety of industrial automation, logistics handling, packaging and sorting and other fields, and has high versatility. The modular design allows the various components of the gripper to be easily replaced and upgraded, facilitating maintenance and adapting to technological advances. By automating the gripping and releasing process, the need for manual operation is reduced, thereby improving the efficiency of the production line and reducing labor costs. Precise control and automated operation reduce the possibility of human error and improve the accuracy and reliability of operations. The gripper drive mechanism is designed with energy efficiency in mind, helping to reduce overall energy consumption by optimizing power transmission and reducing unnecessary energy consumption. The gripper design allows it to be used in different working environments, maintaining performance in environments with high and low temperatures or large changes in humidity. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The preferred implementation modes will be described below in a clear and understandable manner with reference to the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and implementation methods of the present utility model.
[0015] Figure 1 It is a schematic diagram of the structure of the utility model.
[0016] In the figure: 1. clamping jaw, 2. clamping jaw actuator arm, 3. clamping jaw swing arm, 4. clamping jaw connecting arm, 6. clamping jaw driving mechanism, 7. clamping jaw supporting plate, 8. clamping jaw bracket, 9. clamping jaw lifting mechanism, 10. clamping jaw pushing plate, 11. rotating shaft, 12. arc-shaped mounting hole, 13. fixing hole. DETAILED DESCRIPTION
[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the specific implementation methods of the utility model will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.
[0018] In order to simplify the drawings, only the parts related to the utility model are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically shown, or only one of them is marked. In this article, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".
[0019] In this article, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.
[0020] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.
[0021] Reference Figure 1 , is an embodiment of the utility model, and proposes
[0022] A clamping jaw device comprises: a clamping jaw, a clamping jaw supporting plate and a clamping jaw lifting mechanism, wherein the clamping jaw is arranged on the clamping jaw supporting plate, the clamping jaw lifting mechanism is connected to the clamping jaw supporting plate and is used to drive the lifting and lowering of the clamping jaw supporting plate, the clamping jaw comprises a clamping jaw executing arm, a clamping jaw swinging arm, a clamping jaw connecting arm and a clamping jaw driving mechanism; a clamping jaw bracket is arranged on the clamping jaw supporting plate, one end of the clamping jaw swinging arm is rotatably connected to the clamping jaw bracket, and the other end is connected to one end of the clamping jaw connecting arm through a rotating shaft, the other end of the clamping jaw connecting arm is connected to the middle part of the clamping jaw executing arm through an eccentric shaft, and the telescopic rod of the clamping jaw driving mechanism is connected to the rotating shaft and is used to drive the clamping jaw executing arm to approach or move away from the clamping jaw supporting plate to realize the opening and closing of the clamping jaw.
[0023] Preferably, the front end of the clamping jaw support plate is in the shape of a fork.
[0024] Preferably, a swingable clamping plate is installed at the end of the clamping jaw actuator arm.
[0025] Preferably, it also includes a clamping jaw push plate, which is arranged on a supporting plate below the clamping jaw actuator arm.
[0026] Preferably, the swing center hole of the rotating shaft is eccentrically arranged, and the rotating shaft is slidably arranged in the arc-shaped mounting hole on the clamping jaw actuator arm. After the rotating shaft slides in the arc-shaped mounting hole, it is used to adjust the closing size of the clamping jaw.
[0027] Preferably, a plurality of fixing holes are provided at the end of the clamping jaw actuator arm, and the fixing holes are used to cooperate with the arc-shaped limiting grooves on the clamping jaw bracket. After the clamping jaw actuator arm moves in the plurality of the fixing holes, it is used to adjust the opening size of the clamping jaw.
[0028] In this embodiment, the design of the gripper actuator arm, swing arm and connecting arm allows the gripper to move in multiple degrees of freedom, which not only improves the flexibility of gripping, but also enables the device to adapt to the gripping needs of complex or irregularly shaped objects. The connection between the telescopic rod of the gripper drive mechanism and the rotating shaft ensures the direct and precise transmission of power, making the opening and closing actions of the gripper more stable and reliable. Through the eccentric setting of the rotating shaft and the design of the arc-shaped mounting hole, the gripper can adapt to objects of different sizes without manual adjustment, thereby improving the degree of automation and operating efficiency. The fork-shaped front end design of the gripper support plate provides a better support point, reduces the shaking during the gripping process, and ensures the stability and safety of the operation. The swingable clamping plate and gripper push plate at the end of the gripper actuator arm simplify the gripping and releasing actions, reduce the operating steps, and improve work efficiency. Through the cooperation of the fixing hole and the arc-shaped limit groove, the clamping force of the gripper can be fine-tuned to avoid damage to fragile or sensitive objects. The design of this gripper device enables it to be applicable to a variety of industrial automation, logistics handling, packaging and sorting and other fields, with high versatility. The modular design allows the various components of the gripper to be easily replaced and upgraded, facilitating maintenance and adapting to technological advances. By automating the gripping and releasing process, the need for manual operation is reduced, thereby improving the efficiency of the production line and reducing labor costs. Precise control and automated operation reduce the possibility of human error and improve the accuracy and reliability of operations. The gripper drive mechanism is designed with energy efficiency in mind, helping to reduce overall energy consumption by optimizing power transmission and reducing unnecessary energy consumption. The gripper design allows it to be used in different working environments, maintaining performance in environments with high and low temperatures or large changes in humidity.
[0029] Through the enrichment and expansion of these technical effects, the gripper device not only improves the flexibility and precision of operation, but also enhances its applicability and reliability in various industrial applications.
[0030] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.
Claims
1. A clamping device, characterized in that: include: It includes a clamping jaw, a clamping jaw support plate and a clamping jaw lifting mechanism. The clamping jaw is arranged on the clamping jaw support plate. The clamping jaw lifting mechanism is connected to the clamping jaw support plate and is used to drive the clamping jaw support plate to rise and fall. The clamping jaw includes a clamping jaw actuator arm, a clamping jaw swing arm, a clamping jaw connecting arm and a clamping jaw driving mechanism. A clamping jaw bracket is arranged on the clamping jaw support plate. One end of the clamping jaw swing arm is rotatably connected to the clamping jaw bracket, and the other end is connected to one end of the clamping jaw connecting arm through a rotating shaft. The other end of the clamping jaw connecting arm is connected to the middle part of the clamping jaw actuator arm through an eccentric shaft. The telescopic rod of the clamping jaw driving mechanism is connected to the rotating shaft and is used to drive the clamping jaw actuator arm to approach or move away from the clamping jaw support plate to realize the opening and closing of the clamping jaw.
2. A clamping device according to claim 1, characterized in that: The front end of the clamping claw supporting plate is in the shape of a fork.
3. A clamping device according to claim 2, characterized in that: A swingable clamping plate is installed at the end of the clamping claw execution arm.
4. A clamping jaw device according to claim 3, characterized in that: It also includes a clamping jaw pushing plate, which is arranged on a supporting plate below the clamping jaw executing arm.
5. A clamping device according to claim 4, characterized in that: The swing center hole of the rotating shaft is eccentrically arranged, and the rotating shaft is slidingly arranged in the arc-shaped mounting hole on the clamping jaw execution arm. After the rotating shaft slides in the arc-shaped mounting hole, it is used to adjust the closing size of the clamping jaw.
6. A clamping device according to claim 5, characterized in that: At the end of the clamping jaw actuator arm, a plurality of fixing holes are arranged, and the fixing holes are used to match the arc-shaped limiting grooves on the clamping jaw bracket. After the clamping jaw actuator arm moves in the plurality of fixing holes, it is used to adjust the opening size of the clamping jaw.