CN216731850U - Pneumatic claw with synchronous stroke and high clamping force - Google Patents
Pneumatic claw with synchronous stroke and high clamping force Download PDFInfo
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- CN216731850U CN216731850U CN202220179349.6U CN202220179349U CN216731850U CN 216731850 U CN216731850 U CN 216731850U CN 202220179349 U CN202220179349 U CN 202220179349U CN 216731850 U CN216731850 U CN 216731850U
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Abstract
The utility model discloses a pneumatic claw with synchronous stroke and high clamping force, which comprises an air cylinder body, wherein a first piston rod and a second piston rod are respectively arranged on the air cylinder body; the first piston rod and the second piston rod are arranged side by side, a second rack rod is arranged above the first piston rod, and a second rack is arranged on the second rack rod; a first rack rod is arranged above the second piston rod and provided with a first rack; the first rack and the second rack are in meshing transmission connection through a gear; the first rack rod and the first piston rod are connected together through a first air claw arranged at the end part, and the second rack rod and the second piston rod are connected together through a second air claw arranged at the end part; the stroke of the gas claw for opening and clamping can be synchronously controlled, and meanwhile, the gas claw has larger load, larger stroke, higher grasping force and larger clamping force.
Description
Technical Field
The utility model relates to the technical field of cylinder clamping jaws, in particular to a pneumatic jaw with synchronous stroke and high clamping force.
Background
The gripper is a core functional part of the robot for realizing the similar hand, and the control of the stroke and the clamping force by the existing pneumatic gripper cannot be simultaneously ensured; or the stroke is too short to accurately control and synchronize movement; or the clamping force is too small, compatibility of various parts cannot be met, different paw fingers and accessories need to be detached and installed when the production is changed frequently, production efficiency is affected, the cost of the finger accessories is increased, the weight of the product and the accessories is large, more manpower needs to be consumed, and certain potential safety hazards exist in detaching and installing at every time.
Therefore, an air claw which is synchronous in stroke, easy to control, high in clamping force and good in compatibility is urgently needed, so that the production efficiency is improved, the workload is reduced, and the safety of operators is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a pneumatic claw with synchronous stroke and high clamping force; the stroke of the gas claw for opening and clamping can be synchronously controlled, and meanwhile, the gas claw has larger load, larger stroke, higher grasping force and larger clamping force.
In order to achieve the aim, the utility model provides an air claw with synchronous stroke and high clamping force, which comprises an air cylinder body, wherein a first piston rod and a second piston rod are respectively arranged on the air cylinder body; the first piston rod and the second piston rod are arranged side by side, a second rack rod is arranged above the first piston rod, and a second rack is arranged on the second rack rod; a first rack rod is arranged above the second piston rod and provided with a first rack; the first rack and the second rack are in meshing transmission connection through a gear; the first rack rod and the first piston rod are connected together through a first pneumatic claw arranged at the end part, and the second rack rod and the second piston rod are connected together through a second pneumatic claw arranged at the end part.
Preferably, the side edge of the cylinder body of the cylinder is also provided with a first air hole and a second air hole; the first air hole and the second air hole are respectively connected with the inner accommodating cavities of the first piston rod and the second piston rod; when the air conditioner works, one air hole is used as an air inlet hole, and the other air hole is used as an air outlet hole; and through the connection of the internal accommodating cavity, the first piston rod and the second piston rod move simultaneously, and the moving directions are opposite, so that the moving stroke can be increased, and the larger stroke is realized.
Preferably, the first rack bar and the first piston rod are disposed diagonally to each other; the second rack rod and the second piston rod are also arranged diagonally to each other; the stability of motion can be improved to the setting that adopts mutual diagonal angle, is difficult to the card extremely.
Preferably, two ends of the first rack rod, the first piston rod, the second rack rod and the second piston rod extend out of the cylinder body, and the first pneumatic claw and the second pneumatic claw are respectively provided with a plurality of through holes for the first rack rod, the first piston rod, the second rack rod and the second piston rod to pass through; the through holes are arranged to play a role in avoiding movement; meanwhile, the through hole also plays a role in guiding, so that the first rack rod, the first piston rod, the second rack rod and the second piston rod move more stably.
Preferably, the first rack rod and the first piston rod are fixedly connected with the first pneumatic claw through a locknut, and the second rack rod and the second piston rod are fixedly connected with the second pneumatic claw through a locknut; the anti-loosening nut is arranged, so that the connection is not easy to loosen and is tighter, and the stability of heavy load conditions is improved; the first rack rod and the first piston rod are firmly connected into a whole through the matching of the locknut and the first pneumatic claw; in a similar way, the second rack rod and the second piston rod are firmly connected into a whole through the matching of the locknut and the second pneumatic claw.
Preferably, the first air claw and the second air claw are both provided with connecting bosses, and the connecting bosses reduce the finish machining area, thereby being beneficial to reducing the cost; the connecting boss is further provided with a plurality of threaded through holes, the threaded through holes are used for connecting other accessories, and the connecting boss can be suitable for clamping large-size objects through the connecting accessories.
Preferably, the first piston rod and the second piston rod are provided with magnetic rings which move synchronously with the first piston rod and the second piston rod, and the magnetic rings are used for lightening or triggering the magnetic induction switch; a plurality of square grooves and arc-shaped grooves for accommodating the magnetic induction switches are respectively arranged on two sides of the cylinder body of the air cylinder; the installation grooves in different shapes are arranged, so that the adaptability of the magnetic induction switch is improved, and the magnetic induction switch can adapt to the magnetic induction switches in different shapes.
Preferably, sealing parts are arranged at two ends of the first rack rod, the first piston rod, the second rack rod and the second piston rod, the sealing parts are fixedly arranged on the cylinder body, and the first rack rod, the first piston rod, the second rack rod and the second piston rod penetrate through the sealing parts and extend out of the cylinder body.
Preferably, the cylinder body is provided with a plurality of mounting through holes for fixing the cylinder body; the bolt passes through the mounting through hole to fixedly mount the cylinder body and other components, so that the cylinder body and other components synchronously move and are tightly connected.
Preferably, the gear is arranged on the cylinder body through a gear shaft; and a clamp spring is arranged on one side of the gear, and the clamp spring fixes the gear on the cylinder body of the cylinder.
Compared with the prior art, the utility model has the beneficial effects that:
1. the first rack rod is provided with a first rack, the second rack rod is provided with a second rack, the first rack rod and the second rack rod are in transmission connection through meshing of the racks and the gears, synchronous control of movement of the first rack rod and the second rack rod is achieved, meanwhile, the first rack rod is connected with a first piston rod through a first air claw, the second rack rod is connected with a second piston rod through a second air claw, and synchronous control of opening and clamping of the first air claw and the second air claw is achieved; and the first pneumatic claw and the second pneumatic claw can have good synchronous motion precision by adopting gear transmission.
2. The pneumatic claw is provided with a larger load, a larger stroke, a higher grabbing force and a larger clamping force compared with the single piston rod, and if the load capacity needs to be improved, a mode of increasing the cylinder diameter of the piston rod can be adopted, so that the larger clamping force is obtained, the production efficiency is improved, the workload is reduced, and the safety of operators is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a right-side-up structure of a pneumatic gripper with synchronous stroke and high clamping force provided by the utility model;
FIG. 2 is a schematic diagram of a right-side-up structure of the pneumatic gripper with synchronous stroke and high clamping force provided by the utility model;
FIG. 3 is a front exploded view of a gas claw with stroke synchronization and high clamping force according to the present invention;
FIG. 4 is a schematic exploded rear view of a gas claw with stroke synchronization and high clamping force according to the present invention;
fig. 5 is a schematic structural diagram of the air claw with synchronous stroke and high clamping force provided by the utility model, wherein a cylinder body is omitted.
The figure includes:
1. a cylinder block; 21. a first piston rod; 22. a second piston rod; 31. a first rack bar; 41. a first rack; 32. a second rack bar; 42. a second rack; 5. a gear; 61. a first gas claw; 62. a second pneumatic claw; 71. a first air hole; 72. a second air hole; 51. a through hole; 56. a locknut; 63. connecting the bosses; 64. a threaded through hole; 11. a square groove; 12. an arc-shaped groove; 53. mounting a through hole; 54. a gear shaft; 55. and a clamp spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are one embodiment of the present invention, and not all embodiments of the present invention. All other embodiments obtained by a person skilled in the art based on the embodiments of the present invention without any creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides an air gripper with stroke synchronization and high clamping force.
As shown in fig. 1, the pneumatic claw with stroke synchronization and high clamping force comprises a cylinder body 1, wherein the cylinder body 1 is a component made of aluminum material generally, and the cylinder body 1 is a support of a moving part; the cylinder body 1 is provided with two accommodating chambers for accommodating a first piston rod 21 and a second piston rod 22, the first piston rod 21 and the second piston rod 22 are arranged in the two accommodating chambers, and compressed air for pushing the first piston rod 21 and the second piston rod 22 to move is also arranged in the two accommodating chambers; the two containing chambers are communicated with each other, and two or more piston rods are arranged in one cylinder body 1, so that the load capacity of the gas claw can be improved, and the clamping force is larger.
As shown in fig. 1, the first piston rod 21 and the second piston rod 22 are arranged side by side and are both installed at the lower position of the cylinder body 1, and the second rack bar 32 is installed above the first piston rod 21, in this embodiment, the first rack bar 31 and the first piston rod 21 are arranged diagonally to each other, so that the arrangement can improve the stability of the first rack bar 31 and the first piston rod 21 moving together, and the first rack bar 31 and the first piston rod 21 are not easily jammed; in other embodiments, the first rack bar 31 and the first piston rod 21 may be disposed on the same side.
As shown in fig. 2, the first rack bar 31 is installed above the second piston rod 22, and the second rack bar 32 and the second piston rod 22 are also arranged diagonally to each other; this arrangement provides better motion smoothness and will not be described in further detail herein.
As shown in fig. 5, the first rack bar 31 is provided with a first rack 41; the second rack bar 32 is provided with a second rack 42; meanwhile, the first rack 41 and the second rack 42 are in meshed transmission connection through a gear 5 arranged in the middle; so that the first and second rack bars 31 and 32 have the same numerical value but opposite directions, the synchronous control of the movement of the first and second rack bars 31 and 32 is achieved.
Further, the first rack bar 31 and the first piston rod 21 are connected together by a first air claw 61 provided at an end portion, and the second rack bar 32 and the second piston rod 22 are connected together by a second air claw 62 provided at an end portion; thus, synchronous control of opening and clamping of the first air gripper 61 and the second air gripper 62 is realized; the movement of the first air claw 61 and the second air claw 62 is mutually restrained through the gear 5 in the middle part, so that the movement is synchronous; the gear mesh transmission is adopted, so that the first air claw 61 and the second air claw 62 can have good synchronous movement precision.
Furthermore, the first piston rod 21 and the second piston rod 22 are adopted to simultaneously open and clamp relative to the cylinder body 1, the distance between the first air claw 61 and the second air claw 62 is simultaneously increased and decreased, the distance is multiplied or decreased, and the stroke is lengthened; so that the air claw has larger stroke; the pneumatic claw clamping device has the advantages that the application range is wider, the frequency and the times of replacing the pneumatic claw by workers are reduced, the production efficiency is improved, the workload is reduced, and the safety of operators is improved.
As shown in fig. 1, the side of the cylinder block 1 is further provided with a first air hole 71 and a second air hole 72; the first air hole 71 and the second air hole 72 are respectively connected with the inner accommodating cavities of the first piston rod 21 and the second piston rod 22; when the air conditioner works, one air hole is used as an air inlet hole, and the other air hole is used as an air outlet hole; for example: if the first air hole 71 is an air inlet hole, the second air hole 72 is an air outlet hole, and the first air claw 61 and the second air claw 62 are pushed to perform clamping movement; if the first air hole 71 is an air outlet hole, the second air hole 72 is an air inlet hole, and the first air claw 61 and the second air claw 62 are pushed to perform opening movement; during the opening and clamping movement of the first pneumatic jaw 61 and the second pneumatic jaw 62, the stroke synchronization is realized through gear meshing transmission.
As shown in fig. 1, during the clamping process of the first air gripper 61 and the second air gripper 62, the ends of the first rack bar 31, the first piston rod 21, the second rack bar 32 and the second piston rod 22 will extend out of the cylinder block 1, so that the first air gripper 61 and the second air gripper 62 are provided with a plurality of through holes 51 for the first rack bar 31, the first piston rod 21, the second rack bar 32 and the second piston rod 22 to pass through; the through hole 51 is arranged to perform avoiding movement; meanwhile, the through hole 51 also plays a guiding role, so that the first rack bar 31, the first piston rod 21, the second rack bar 32 and the second piston rod 22 move more smoothly.
As shown in fig. 2, the first rack bar 31 and the first piston rod 21 are fixedly connected with the first gas claw 61 through the locknut 56, and the second rack bar 32 and the second piston rod 22 are fixedly connected with the second gas claw 62 through the locknut 56; the locknut 56 is arranged, so that the connection is not easy to loosen and is tighter, and the stability of heavy load conditions is improved; in other embodiments, other fixed connection modes can be adopted; the first rack bar 31 and the first piston rod 21 are firmly connected into a whole by the engagement of the locknut 56 with the first air jaw 61, and the second rack bar 32 and the second piston rod 22 are firmly connected into a whole by the engagement of the locknut 56 with the second air jaw 62.
As shown in fig. 2, the first gas claw 61 and the second gas claw 62 are both provided with a connecting boss 63, and the connecting boss 63 is provided to reduce the finish machining area, which is beneficial to reducing the cost; the connecting boss 63 is also provided with a plurality of threaded through holes 64, and the threaded through holes 64 are used for connecting other accessories and can be used for clamping large-size objects through the connecting accessories.
As shown in fig. 1, the first piston rod 21 and the second piston rod 22 are fixedly provided with a magnetic ring, and the magnetic ring moves together with the first piston rod 21 and the second piston rod 22 synchronously; the magnetic ring is used for lighting or triggering the magnetic induction switch; the magnetic induction switches are fixedly arranged on the square grooves 11 and the arc grooves 12 on the two sides of the cylinder body 1; the provision of the square groove 11 and the arc-shaped groove 12 provides mounting locations of different shapes.
As shown in fig. 3, the first rack bar 31, the first piston rod 21, the second rack bar 32 and the second piston rod 22 are provided with sealing members at both ends thereof, and the sealing members are fixedly mounted on the cylinder block 1; the first rack bar 31, the first piston rod 21, the second rack bar 32, and the second piston rod 22 protrude out of the cylinder block 1 through the sealing member.
As shown in fig. 1 and fig. 2, the cylinder block 1 is provided with a plurality of mounting through holes 53 for fixing the cylinder block 1; the bolt passes through the mounting through hole 53 to fixedly mount the cylinder block 1 and other components, so that the cylinder block 1 and other components move synchronously and are tightly connected.
As shown in fig. 3 and 4, the gear 5 is mounted on the cylinder block 1 via a gear shaft 54; a clamp spring 55 is arranged on one side of the gear 5, and the clamp spring 55 fixes the gear 5 on the cylinder body 1.
The motion process of the pneumatic claw with stroke synchronization and high clamping force comprises the following steps: firstly, high-pressure gas passes through the first air holes 71, namely the first air holes 71 are air inlet holes, and the second air holes 72 are air outlet holes; secondly, the high-pressure gas pushes the first piston rod 21 to move to one side close to the cylinder body 1, and similarly, the high-pressure gas also pushes the second piston rod 22 to move to one side close to the cylinder body 1; thirdly, the first rack bar 31 is pushed by the first air claw 61 to move to the side close to the cylinder block 1, and similarly, the second rack bar 32 is also pushed by the second air claw 62 to move to the side close to the cylinder block 1; finally, the first rack 41 on the first rack bar 31 and the second rack 42 on the second rack bar 32 are in meshed transmission connection through a gear 5 arranged in the middle; the stroke synchronization of the first air claw 61 and the second air claw 62 in the clamping movement is realized; similarly, the stroke synchronization of the first gas claw 61 and the second gas claw 62 in the opening motion can be realized by high-pressure gas in the second gas hole 72.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. The utility model provides a gas claw with stroke is synchronous and clamping-force height which characterized in that: the piston rod assembly comprises a cylinder body (1), wherein a first piston rod (21) and a second piston rod (22) are respectively arranged on the cylinder body (1); the first piston rod (21) and the second piston rod (22) are arranged side by side, a second rack rod (32) is arranged above the first piston rod (21), and a second rack (42) is arranged on the second rack rod (32); a first rack rod (31) is arranged above the second piston rod (22), and a first rack (41) is arranged on the first rack rod (31); the first rack (41) and the second rack (42) are in meshed transmission connection through a gear (5); the first rack rod (31) and the first piston rod (21) are connected together through a first air claw (61) arranged at the end part, and the second rack rod (32) and the second piston rod (22) are connected together through a second air claw (62) arranged at the end part.
2. The air gripper with stroke synchronization and high clamping force as claimed in claim 1, wherein: the side edge of the cylinder body (1) is also provided with a first air hole (71) and a second air hole (72); the first air hole (71) and the second air hole (72) are respectively connected with the inner accommodating cavities of the first piston rod (21) and the second piston rod (22).
3. The air gripper with stroke synchronization and high clamping force as claimed in claim 1, wherein: the first rack bar (31) and the first piston rod (21) are arranged diagonally to each other; the second rack bar (32) and the second piston rod (22) are also arranged diagonally to each other.
4. The air gripper with stroke synchronization and high clamping force as claimed in claim 1, wherein: first rack bar (31), first piston rod (21), second rack bar (32) and second piston rod (22) both ends all stretch out cylinder body (1), all be equipped with through-hole (51) that a plurality of confession first rack bar (31), first piston rod (21), second rack bar (32) and second piston rod (22) passed on first gas claw (61) and second gas claw (62).
5. The air gripper with stroke synchronization and high clamping force as claimed in claim 1, wherein: the first rack rod (31) and the first piston rod (21) are fixedly connected with the first pneumatic claw (61) through a locknut (56), and the second rack rod (32) and the second piston rod (22) are fixedly connected with the second pneumatic claw (62) through the locknut (56).
6. The pneumatic claw with stroke synchronization and high clamping force as claimed in claim 1, wherein: the first pneumatic claw (61) and the second pneumatic claw (62) are both provided with a connecting boss (63), and a plurality of thread through holes (64) are formed in the connecting boss (63).
7. The air gripper with stroke synchronization and high clamping force as claimed in claim 1, wherein: the magnetic induction switch is characterized in that magnetic rings which move synchronously with the first piston rod (21) and the second piston rod (22) are arranged on the first piston rod (21) and the second piston rod (22), and a plurality of square grooves (11) and arc-shaped grooves (12) used for containing the magnetic induction switch are respectively arranged on two sides of the cylinder body (1).
8. The air gripper with stroke synchronization and high clamping force as claimed in claim 1, wherein: sealing parts are arranged at two ends of the first rack rod (31), the first piston rod (21), the second rack rod (32) and the second piston rod (22), and the sealing parts are fixedly arranged on the cylinder body (1).
9. The air gripper with stroke synchronization and high clamping force as claimed in claim 1, wherein: the air cylinder body (1) is provided with a plurality of mounting through holes (53) for fixing the air cylinder body (1).
10. The air gripper with stroke synchronization and high clamping force as claimed in claim 1, wherein: the gear (5) is arranged on the cylinder body (1) through a gear shaft (54); a clamping spring (55) is arranged on one side of the gear (5), and the clamping spring (55) fixes the gear (5) on the cylinder body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220179349.6U CN216731850U (en) | 2022-01-24 | 2022-01-24 | Pneumatic claw with synchronous stroke and high clamping force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220179349.6U CN216731850U (en) | 2022-01-24 | 2022-01-24 | Pneumatic claw with synchronous stroke and high clamping force |
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| Publication Number | Publication Date |
|---|---|
| CN216731850U true CN216731850U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220179349.6U Active CN216731850U (en) | 2022-01-24 | 2022-01-24 | Pneumatic claw with synchronous stroke and high clamping force |
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| CN (1) | CN216731850U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116834054A (en) * | 2023-09-01 | 2023-10-03 | 连云港市宏泰机械制造有限公司 | Multi-station flexible self-adaptive robot claw and application method thereof |
-
2022
- 2022-01-24 CN CN202220179349.6U patent/CN216731850U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116834054A (en) * | 2023-09-01 | 2023-10-03 | 连云港市宏泰机械制造有限公司 | Multi-station flexible self-adaptive robot claw and application method thereof |
| CN116834054B (en) * | 2023-09-01 | 2023-12-26 | 连云港市宏泰机械制造有限公司 | Multi-station flexible self-adaptive robot claw and application method thereof |
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