Pneumatic grippers and production equipment

By introducing a transmission mechanism into the pneumatic gripper to maintain a stable distance between the gripper bodies, the problem of poor object pickup reliability in the prior art is solved, and more efficient clamping and handling capabilities are achieved.

CN113459141BActive Publication Date: 2025-01-21BEIJING AGILE ROBOTS TECH CO LTD
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Patent Information

Application Number
CN202110722359.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-06-28
Publication Date
2025-01-21
Estimated Expiration
2041-06-28

AI Technical Summary

Technical Problem

Existing pneumatic jaws have poor reliability when picking up objects, making it difficult to effectively clamp and carry smaller parts with deep frames, multi-layers, and tightly arranged.

Method used

A pneumatic gripper is designed, which includes a linear drive mechanism, an object-retrieving component and a pair of clamping jaw bodies. The distance between the gripper bodies is maintained stable through a transmission mechanism to ensure that the object-retrieving component is not affected by the impact during the object-retrieving action. interference.

Benefits of technology

The reliability of picking up objects is improved, ensuring that the clamping jaw body can effectively clamp the objects after picking up the objects, and solving the problem of poor reliability in picking up objects in the prior art.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention provides a pneumatic gripper and a production device, which relate to the technical field of mechanical chucks and are designed to solve the problem of poor reliability in picking up objects in the prior art. The pneumatic gripper includes a linear drive mechanism, a picking component, and a pair of gripper bodies. The picking component is connected to the power output end of the linear drive mechanism, and the gripper body is connected to the power output end through a transmission mechanism. The transmission mechanism is configured to maintain a stable distance between the gripper bodies when the linear drive mechanism drives the picking component to move linearly. The pneumatic gripper and the production device provided by the present invention can achieve the picking action of the gripper body without interfering with the picking action of the picking component. After completing the picking action, the gripper body clamps the object to be picked up again, thereby improving the reliability of picking up.
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Description

Technical Field

[0001] The invention relates to the technical field of mechanical chucks, in particular to a pneumatic clamp and production equipment. Background Art

[0002] At present, most of the pneumatic grippers used in the automation industry have only a single function, such as only being able to open and close in parallel, or only being able to open and close at a certain angle around the fulcrum, and the degrees of freedom are relatively few; they cannot achieve the clamping and handling of small parts with deep frames, multiple layers, and close arrangement, and cannot fundamentally guarantee the reliable picking of the clamped objects. Especially for grasping the workpieces at the edge of the bottom layer in the deep frame, due to the small space around the grasped parts, it is difficult to provide operating space for the gripper to open and close at a certain angle around the fulcrum, and it is not convenient for the cylinder to retract with a long stroke, so it is also difficult to set up a multi-degree-of-freedom movement mechanism. Summary of the invention

[0003] The first object of the present invention is to provide a pneumatic gripper to solve the technical problem of poor reliability in picking up objects in the prior art.

[0004] The present invention provides a pneumatic clamp, comprising a linear drive mechanism, a picking component and a pair of clamp bodies, wherein the picking component is connected to a power output end of the linear drive mechanism, and the clamp body is connected to the power output end via a transmission mechanism, and the transmission mechanism is configured to maintain a stable distance between the clamp bodies when the linear drive mechanism drives the picking component to move linearly.

[0005] By setting up a transmission mechanism so that the linear drive mechanism drives the picking component to move linearly and maintains a stable distance between the clamping jaws, the distance between the clamping jaws can be kept unchanged while the picking component is completing the picking action, so that the clamping jaws will not interfere with the picking action of the picking component. After the picking component completes the picking action, the clamping jaws will clamp the object to be picked up again, thereby improving the reliability of picking up.

[0006] In the preferred technical solution, the transmission mechanism includes a power input member and a power output assembly, the power input member is connected to the power output end of the linear drive mechanism, and the power output assembly is fixedly connected to the clamping jaw body; the transmission mechanism also includes a guide groove and a guide protrusion, the guide protrusion extends into the guide groove and is adapted to the guide groove; one of the guide groove and the guide protrusion is arranged on the power output assembly, and the other is arranged on the power input member; the guide groove includes a straight guide portion, and the straight guide portion is configured so that when the guide protrusion moves along the straight guide portion, the distance between the clamping jaw bodies remains stable.

[0007] In a preferred technical solution, the power output assembly includes two power output units, each of the power output units is fixedly connected to one of the clamping jaws, and the two power output units are symmetrically arranged.

[0008] In a preferred technical solution, the power input member includes a mounting portion located in the middle and output connecting portions located at both ends of the mounting portion, the mounting portion is connected to the power output end of the linear drive mechanism, and the guide protrusion is arranged on the output connecting portion.

[0009] In a preferred technical solution, the guide groove further includes an oblique guide portion, and the oblique guide portion is connected to the straight guide portion.

[0010] In a preferred technical solution, the linear drive mechanism is installed on a base, and the power output assembly is connected to the base in a relatively translational manner.

[0011] In a preferred technical solution, a guide rail is installed on the base, the guide rail is perpendicular to the telescopic direction of the linear drive mechanism, and the power output assembly is translationally connected to the guide rail.

[0012] In a preferred technical solution, the object-picking component includes a suction cup, and the suction cup is connected to a suction cup connector, and the suction cup connector is installed at a power output end of the linear drive mechanism.

[0013] In the preferred technical solution, it also includes a tooling connection piece, and the tooling connection piece is relatively fixedly arranged with respect to the base on which the linear drive mechanism is installed.

[0014] The second object of the present invention is to provide a production device to solve the technical problem of poor reliability in picking up objects in the prior art.

[0015] The production equipment provided by the present invention comprises the above-mentioned pneumatic clamp.

[0016] By arranging the above-mentioned pneumatic clamp in the production equipment, accordingly, the production equipment has all the advantages of the above-mentioned pneumatic clamp, which will not be described one by one here. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0018] Figure 1 A schematic diagram of the structure of a pneumatic gripper provided in an embodiment of the present invention;

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the above-mentioned pneumatic gripper;

[0020] Figure 3 for Figure 1 Left view of

[0021] Figure 4 for Figure 1 AA line section view;

[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of the above-mentioned pneumatic gripper, in which a guide groove plate is omitted.

[0023] Description of reference numerals:

[0024] 11-base; 12-guide rail; 13-tooling connector;

[0025] 20- linear drive mechanism; 21- power output end;

[0026] 31-Clamp body;

[0027] 41-power input member; 42-power output unit; 421-guide groove plate; 422-transition connector; 423-linear guide seat; 43-guide groove; 431-straight guide portion; 432-oblique guide portion; 44-guide protrusion; 50-pickup assembly; 51-suction cup; 52-suction cup connector; 53-trachea connector. DETAILED DESCRIPTION

[0028] Figure 1 A schematic diagram of the structure of a pneumatic gripper provided in an embodiment of the present invention; Figure 2 FIG. 2 is a schematic diagram of the three-dimensional structure of the pneumatic gripper. Figure 1 and Figure 2 As shown, a pneumatic clamp provided in this embodiment includes a linear drive mechanism 20, a picking component 50 and a pair of clamp bodies 31, the picking component 50 is connected to the power output end 21 of the linear drive mechanism 20, and the clamp body 31 is connected to the power output end 21 through a transmission mechanism, and the transmission mechanism is configured to maintain a stable distance between the clamp bodies 31 when the linear drive mechanism 20 drives the picking component 50 to move linearly.

[0029] Specifically, in this embodiment, the linear drive mechanism 20 includes a cylinder, which is not a traditional pull rod cylinder, and other components can be connected to the side wall of the cylinder. The power output end 21 of the cylinder is also not a traditional piston rod. The power output end 21 can be an L-shaped bent plate, and a horizontal part of the L-shape is connected to the piston rod of the cylinder, and a vertical part of the L-shape is located on the side of the cylinder body of the cylinder and is not adjacent to the cylinder body. It can be used to connect other components, such as connecting a transmission mechanism. With this type of cylinder, multiple positions can be connected to other components, which can improve the flexibility of component layout and make full use of the space around the cylinder, thereby reducing the length of the pneumatic clamp.

[0030] In another implementation, an electric push rod may be used to replace the air cylinder, or when a large force is required, an oil cylinder may be used as the linear drive mechanism 20 .

[0031] By setting up a transmission mechanism so that the linear drive mechanism 20 drives the picking component 50 to move linearly and maintains a stable distance between the clamping jaws 31, the distance between the clamping jaws 31 can be kept unchanged while the picking component 50 is completing the picking action, and the clamping jaws 31 will not interfere with the picking action of the picking component 50. After the picking action of the picking component 50 is completed, the clamping jaws 31 will clamp the object to be picked up again, thereby improving the reliability of picking up.

[0032] Figure 3 for Figure 1 Left view of Figure 4 for Figure 1 AA line section view. Figure 1-Figure 4 As shown, preferably, the transmission mechanism includes a power input member 41 and a power output assembly, the power input member 41 is fixedly connected to the power output end 21 of the linear drive mechanism 20, and the power output assembly is fixedly connected to the clamp body 31; the transmission mechanism also includes a guide groove 43 and a guide protrusion 44, the guide protrusion 44 extends into the guide groove 43 and adapts to the guide groove 43; one of the guide groove 43 and the guide protrusion 44 is arranged in the power output assembly, and the other is arranged in the power input member 41; the guide groove 43 includes a straight guide portion 431, and the straight guide portion 431 is configured so that when the guide protrusion 44 moves along the straight guide portion 431, the distance between the clamp bodies 31 remains stable.

[0033] Specifically, in this embodiment, the guide groove 43 is provided on the power output assembly, and the guide protrusion 44 is provided on the power input member 41. With this arrangement, the size of the power input member 41 can be reduced, and the possibility that the power input member 41 is too large and interferes with the object-retrieving assembly 50 is reduced. Of course, in another implementation, the guide groove 43 can also be provided on the power input member 41, and the guide protrusion 44 can be provided on the power output assembly.

[0034] The guide portion is configured so that when the guide protrusion 44 moves along the straight guide portion 431, the distance between the clamping jaws 31 remains stable. In this embodiment, for example, the straight guide portion 431 is parallel to the power output direction of the linear drive mechanism 20. Therefore, when the linear drive mechanism 20 drives the power input member 41 to move, since the guide groove 43 is parallel to the action direction of the linear drive mechanism 20, the guide protrusion 44 extends into the guide groove 43, and the guide groove 43 will not produce a movement perpendicular to the movement direction of the power input member 41, so the distance between the clamping jaws 31 can be kept stable. Specifically, in this embodiment, the guide groove 43 can be a groove set in the power output assembly, and the guide protrusion 44 can be a rod-shaped part threadedly connected to the power input member 41. In addition, the guide protrusion 44 can also be a convex column, a boss, etc. fixedly connected to the power input member 41. The diameter of the guide protrusion 44 is consistent with the width of the guide groove 43.

[0035] By respectively providing matching guide grooves 43 and guide protrusions 44 on the power input member 41 and the power output assembly of the transmission mechanism, and making the guide groove 43 have a straight guide portion 431, the distance between the clamping jaws 31 can be kept stable when the guide protrusion 44 moves along the straight guide portion 431. Thus, when the power input member 41 moves relative to the power output assembly, the distance between the clamping jaws 31 remains unchanged during a portion of the relative movement period, and the portion of the period can be the period during which the linear drive mechanism 20 drives the object-picking assembly 50 to move. Thus, the clamping jaws 31 do not produce a clamping action during the object-picking process of the object-picking assembly 50, so that the object-picking assembly 50 can first firmly pick up the object, and then use the clamping jaws 31 to clamp it, thereby improving reliability.

[0036] like Figure 1 As shown, preferably, the power output assembly includes two power output monomers 42, each power output monomer 42 is fixedly connected to a clamp body 31, and the two power output monomers 42 are symmetrically arranged.

[0037] Specifically, in this embodiment, the two power output units 42 are symmetrically arranged, and correspondingly, the guide grooves 43 thereon are also symmetrically arranged, that is, Figure 1 As shown, the straight guide portions 431 are parallel to the driving direction of the linear drive mechanism 20 , so when the guide protrusions 44 run in the straight guide portions 431 , the two power output units 42 will not move perpendicular to the driving direction of the linear drive mechanism 20 .

[0038] It should be noted that the power output unit 42 does not mean that the component is an inseparable component. Specifically, the power output unit 42 includes a guide groove plate 421 and a transition connector 422. The guide groove 43 is a groove provided on the guide groove plate 421. The guide groove plate 421 is also fixedly connected to the transition connector 422. The clamp body 31 can be fixedly connected to the guide groove plate 421, or fixedly connected to the transition connector 422, or fixedly connected to both the guide groove plate 421 and the transition connector 422. This application does not impose any special restrictions. In another implementation, the guide groove 43 can also be a groove provided on the guide groove plate 421 and extending through the thickness direction thereof.

[0039] By setting two symmetrical power output units 42, each of which is fixedly connected to a clamp body 31 and symmetrically arranged, it can be achieved that after the picking component 50 picks up the object, the clamp can clamp the picked object from both sides. When the picked object is clamped by the clamp body 31, the same force can be applied on both sides, and the clamp body 31 will not shake, thereby improving the stability of picking up the object.

[0040] In another implementation, the transmission mechanism can be used to drive only one power output unit 42, and only one clamp body 31 can be driven to move, while the other clamp body 31 can be relatively fixedly connected to the base 11. When it is necessary to pick up an item, the fixed clamp body 31 can be placed close to the item to be picked up to avoid collision with the item to be picked up. For example, the distance is only 1mm or 0.5mm, and the other movable clamp body 31 approaches and pushes the item, and clamps the item together with the fixed clamp body 31. Of course, this method is not as safe as the above-mentioned embodiment in which the clamp mechanism is facing the item to be picked up and two moving clamps move toward each other to clamp the item, because it will cause the picked up item to shake slightly, affecting the firmness of the object picking component 50.

[0041] Figure 5 FIG. 1 is a schematic diagram of the three-dimensional structure of the pneumatic gripper, wherein a guide groove plate is omitted. Figure 1 , Figure 2 and Figure 5 As shown, preferably, the power input member 41 includes a mounting portion located in the middle and output connecting portions located at both ends of the mounting portion, the mounting portion is connected to the power output end 21 of the linear drive mechanism 20, and the guide protrusion 44 is arranged on the output connecting portion.

[0042] Specifically, in this embodiment, the installation input part is a T-shaped plate part. The two arms of the T shape are respectively the above-mentioned output connection parts, and guiding protrusions 44 are arranged at the free ends of each arm. The installation part can be the vertical part of the T shape and is used to connect with the vertical part of the L-shaped bent plate of the cylinder serving as the power output end 21. Specifically, a plurality of threaded holes are formed in the L-shaped bent plate, and the installation part can be fixed to the linear drive mechanism 20 by passing screws through the through holes on the installation part and connecting with the threaded holes on the L-shaped bent plate.

[0043] By providing an installation part located in the middle and output connection parts located at both ends of the installation part, the power output end 21 of the linear drive component can be used to drive the power output monomers 42 at both ends to move simultaneously, thereby realizing the synchronization of the movement of the jaw body 31.

[0044] As Figure 1 and Figure 2 shown, preferably, the guiding groove 43 further includes an inclined guiding part 432, and the inclined guiding part 432 communicates with the straight guiding part 431.

[0045] Specifically, the inclined guiding part 432 communicates with the straight guiding part 431 to form the guiding groove 43. Then the two guiding grooves 43 can be respectively in the shapes of "right-falling stroke + vertical stroke" and "left-falling stroke + vertical stroke" of Chinese character strokes in Figure 1 . When the power output end 21 of the linear drive mechanism 20 extends, the power input part 41 is located at the lower part of the guiding groove 43, driving the two jaw bodies 31 to be in a relatively far position. When the power output end 21 retracts, the power input part 41 moves upward, so that the guiding protrusion 44 rises relative to the guiding groove 43. When it rises beyond the top end of the straight guiding part 431, it starts to drive the two power output components to approach each other, that is, drives the jaw bodies 31 to approach each other to realize the clamping of the item to be picked up. Moreover, the connecting part between the inclined guiding part 432 and the straight guiding part 431 adopts an arc transition.

[0046] By providing the inclined guiding part 432, the linear motion of the linear drive mechanism 20 can be converted into the linear motion of the jaw body 31 in another direction, thereby realizing the driving of the jaw body 31.

[0047] As Figure 2-Figure 4 shown, preferably, the linear drive mechanism 20 is installed on the base 11, and the power output component is connected with the base 11 in a relative translational motion.

[0048] The power output assembly is connected to the base 11 in a translational manner. Even if the point of action of the clamp body 31 on the object to be picked up is far from the power output assembly and generates a large torque, the torque can be borne by the component responsible for making the power output assembly and the base 11 relatively translationally connected, and the torque will not be converted into a load borne by the linear drive mechanism 20. The above scheme is adopted to increase the length of the clamp body 31, which is convenient for clamping objects at a deeper position, or to make the point of action of the clamp body 31 for clamping objects lower, so as to cooperate with the object picking assembly 50 to pick up objects more firmly.

[0049] Preferably, a guide rail 12 is installed on the base 11 , the guide rail 12 is perpendicular to the telescopic direction of the linear drive mechanism 20 , and the power output assembly is connected to the guide rail 12 in a translational manner.

[0050] Specifically, the base 11 is installed on one side of the cylinder, and is located on two opposite sides of the cylinder with the power output end 21 of the cylinder. Four linear slides are arranged on the base 11, and the four linear slides are perpendicular to the power output direction of the linear drive mechanism 20, and two linear slides are arranged in parallel on each side of the cylinder. Each linear slide is connected to a linear guide seat 423, and each transition connector 422 is U-shaped, with the opening of the U facing the base 11, that is, Figure 3 and Figure 4 The free ends of the two arms of the U-shape are respectively installed with linear guide seats 423, that is, each transition connector 422 corresponds to the two sections of the guide rails 12 located on one side of the cylinder, thereby realizing the relative translation connection between the power output assembly and the guide rails 12. In another implementation, the guide rails 12 can also use a smooth bar, and the linear guide seat 423 can be replaced by a linear bearing.

[0051] The guide rail 12 can ensure the stability of the movement of the power output assembly. Moreover, the guide rail 12 can bear the force perpendicular to the guide rail 12 to share the torque of the reaction force of the clamped object on the clamp body 31, without the need for the linear drive mechanism 20 to balance the torque.

[0052] like Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, preferably, the object picking component 50 includes a suction cup 51 , and the suction cup 51 is connected to a suction cup connector 52 , and the suction cup connector 52 is installed at the power output end 21 of the linear drive mechanism 20 .

[0053] Specifically, the suction cup connector 52 can be installed at the bottom of the power output end 21, and further connected to the bottom surface of a horizontal portion of the L-shaped bent plate. A vent hole can be processed in the suction cup connector 52, and an air pipe connector 53 is provided on the side of the suction cup connector 52, which is connected to the vacuum generator through the air pipe so as to use negative pressure to suck up objects.

[0054] By adopting the suction cup 51 to pick up objects without mechanical action, it is not only convenient to increase the speed of picking up objects and improve work efficiency, but also can reduce the weight of the components driven by the linear drive mechanism 20 and reduce the power requirements of the linear drive mechanism 20. In addition, the picking component 50 is arranged below the power output end 21, and the volume occupied by the side of the power output end 21 can also be reduced, so that the pneumatic gripper can pick up objects in a smaller space.

[0055] In another implementation, if the object to be picked up is a ferromagnetic material, it can also be sucked by an electromagnet. Even, a set of gripper gripping devices can be provided as the object picking assembly 50.

[0056] Preferably, a tooling connector 13 is further included, and the tooling connector 13 is fixedly arranged relative to the base 11 .

[0057] Specifically, the tooling connector 13 includes a rod-shaped portion, a circular flange portion fixedly connected to the upper surface of the rod-shaped portion, and a rectangular flange portion fixedly connected to the lower surface of the rod-shaped portion, wherein the four corners of the rectangular flange portion are also fixedly connected to the tail of the cylinder through threaded connectors, and since the cylinder is also fixedly connected to the base 11, the tooling connector 13 is relatively fixedly arranged with the base 11. With the tooling connector 13, the pneumatic gripper can be installed in a free end or module such as a robot arm.

[0058] By providing the tooling connector 13, the pneumatic clamp can be easily installed in a required mechanism, thereby expanding the application scope of the pneumatic clamp.

[0059] The operating principle of this embodiment is:

[0060] When an object needs to be picked up, the pneumatic gripper is moved above the object so that the suction cup 51 is aligned with the object to be picked up as much as possible.

[0061] Next, the linear drive mechanism 20 drives the object-picking assembly 50 to descend. In the first half of the descent process, since the guide protrusions 44 run in the oblique guide portion 432, the two guide protrusions 44 will push the two guide slots 421 to move outward when they descend, and accordingly, the two clamping claws 31 will also move away from each other. That is, the distance between the two clamping claws 31 and the corresponding surface will increase. When the guide protrusions 44 enter the straight guide portion 431, the guide protrusions 44 will not drive the guide slots 421 to move horizontally.

[0062] Then, the suction cup 51 contacts the object to be picked up and uses negative pressure to suck the object. Since the extension length of the cylinder cannot be completely uniform when the suction cup 51 sucks the object, the position of the guide protrusion 44 in the guide groove 43 is not absolutely determined at this time. The straight guide portion 431 is arranged in this way, so that the clamping claw body 31 does not move in the horizontal direction during the time of sucking the object, and the interference of the clamping claw body 31 on the object picking component 50 can be eliminated, making the suction of the suction cup 51 more stable and reliable.

[0063] The power output end 21 of the linear drive mechanism 20 starts to move upward, that is, the picked-up object moves upward along with the suction cup 51. When the guide protrusion 44 moves in the straight guide portion 431, the guide slot plate 421 will not move horizontally, that is, the two clamping claw bodies 31 remain stationary at this time. When the power output end 21 continues to move upward, the guide protrusion 44 moves to the oblique guide portion 432. Since the guide protrusion 44 will move to a position further outward relative to the two guide slot plates 421, the two guide slot plates 421 must move toward each other, that is, the two clamping claw bodies 31 will approach each other, thereby clamping the object.

[0064] The present application also provides a production device, comprising the above-mentioned pneumatic clamp.

[0065] By arranging the above-mentioned pneumatic clamp in the production equipment, accordingly, the production equipment has all the advantages of the above-mentioned pneumatic clamp, which will not be described one by one here.

[0066] Although the present invention is disclosed as above, the present invention is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the scope defined by the claims.

[0067] Finally, it should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "comprises" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprises a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0068] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A pneumatic gripper, characterized in that: The invention comprises a linear drive mechanism (20), a picking component (50) and a pair of clamping jaws (31), wherein the picking component (50) is connected to a power output end (21) of the linear drive mechanism (20), and the clamping jaws (31) are connected to the power output end (21) via a transmission mechanism, wherein the transmission mechanism is configured to maintain a stable distance between the clamping jaws (31) when the linear drive mechanism (20) drives the picking component (50) to move linearly; The transmission mechanism comprises a power input member (41) and a power output assembly, wherein the power input member (41) is connected to the power output end (21) of the linear drive mechanism (20), and the power output assembly is fixedly connected to the clamping jaw body (31); the transmission mechanism also comprises a guide groove (43) and a guide protrusion (44), wherein the guide protrusion (44) extends into the guide groove (43) and is adapted to the guide groove (43); one of the guide groove (43) and the guide protrusion (44) is arranged on the power output assembly, and the other is arranged on the power input member (41); the guide groove (43) comprises a straight guide portion (431) and an oblique guide portion (432), wherein the straight guide portion (431) is configured such that when the guide protrusion (44) moves along the straight guide portion (431), the distance between the clamping jaw bodies (31) remains stable, and the oblique guide portion (432) is communicated with the straight guide portion (431); The guide protrusion (44) is a rod-shaped part threadedly connected to the power input member (41), or a convex column or a boss fixedly connected to the power input member (41).

2. The pneumatic gripper according to claim 1, characterized in that: The power output assembly comprises two power output units (42), each of the power output units (42) is fixedly connected to one of the clamping jaw bodies (31), and the two power output units (42) are symmetrically arranged.

3. The pneumatic gripper according to claim 2, characterized in that: The power input member (41) comprises a mounting portion located in the middle and output connection portions located at both ends of the mounting portion, the mounting portion is connected to the power output end (21) of the linear drive mechanism (20), and the guide protrusion (44) is arranged on the output connection portion.

4. The pneumatic gripper according to any one of claims 1 to 3, characterized in that: The linear drive mechanism (20) is mounted on a base (11), and the power output assembly is connected to the base (11) in a relatively translational manner.

5. The pneumatic gripper according to claim 4, characterized in that: A guide rail (12) is installed on the base (11), the guide rail (12) is perpendicular to the telescopic direction of the linear drive mechanism (20), and the power output assembly is connected to the guide rail (12) in a translational manner.

6. The pneumatic gripper according to any one of claims 1 to 3 or claim 5, characterized in that: The object-picking component (50) comprises a suction cup (51), wherein the suction cup (51) is connected to a suction cup connector (52), and the suction cup connector (52) is installed at the power output end (21) of the linear drive mechanism (20).

7. The pneumatic gripper according to any one of claims 1 to 3 or claim 5, characterized in that: It also includes a tooling connection piece (13), wherein the tooling connection piece (13) is fixedly arranged relative to a base (11) on which the linear drive mechanism (20) is installed.

8. A production equipment, characterized in that: The pneumatic clamp comprises the pneumatic clamp according to any one of claims 1 to 7.

Citation Information

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