CN220719342U - Mechanical clamping jaw - Google Patents
Mechanical clamping jaw Download PDFInfo
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- CN220719342U CN220719342U CN202322144446.9U CN202322144446U CN220719342U CN 220719342 U CN220719342 U CN 220719342U CN 202322144446 U CN202322144446 U CN 202322144446U CN 220719342 U CN220719342 U CN 220719342U
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- clamping
- fixedly connected
- clamping jaw
- mounting seat
- driving assembly
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- 210000000078 claw Anatomy 0.000 claims description 15
- 238000001514 detection method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of robot clamping jaws, in particular to a mechanical clamping jaw which comprises a mounting seat and a clamp mechanism, wherein the clamp mechanism comprises a driving assembly, two clamping jaw bodies, two elastic blocks and two friction columns, the driving assembly is arranged on one side of the mounting seat, the two clamping jaw bodies are respectively arranged on the outer side wall of the driving assembly, the two elastic blocks are respectively arranged on the inner side walls of the two clamping jaw bodies, the two friction columns are respectively fixedly connected with the two clamping jaw bodies, when an object is clamped, the driving assembly drives the two clamping jaw bodies to approach each other until the two elastic blocks are contacted with the object, and at the moment, the driving assembly continuously outputs, so that the two elastic blocks are compressed to expose the two friction columns to be contacted with the object, the friction force between the two friction columns and the object is increased, the stability of the clamping jaw bodies for clamping the object is improved, and the problem of poor stability of the flexible clamping jaw for clamping the object is solved.
Description
Technical Field
The utility model relates to the technical field of robot clamping jaws, in particular to a mechanical clamping jaw.
Background
The mechanical claw simulates a human grabbing object, the existing mechanical arm does not have the function of bar detection, and the mechanical arm cannot detect whether a bar is actually clamped or not in the process of automatically clamping the bar, so that the use defects of low operation efficiency and poor reliability exist.
In the prior art (CN 205734987U), a clamping jaw and a manipulator thereof are disclosed. The clamping jaw comprises a first clamping jaw and a second clamping jaw, wherein the first clamping jaw and the second clamping jaw respectively comprise a clamping arm capable of conducting electricity and a fixing arm capable of insulating electricity, clamping heads used for clamping bars are arranged at the same end of each clamping arm, fixing structures used for fixing the bars are arranged on the two clamping heads, and bar detection structures used for detecting whether the two clamping heads clamp the bars or not are further arranged on the clamping arms. The manipulator comprises the clamping jaw. The clamping jaw has a material detection function, so that the convenience and accuracy of bar clamping detection are improved, and the operation efficiency and the use reliability of the manipulator are further improved.
By adopting the mode, when the friction force between the grabbed object and the flexible clamping jaw is smaller than the gravity of the object, the object easily falls off from the flexible clamping jaw, and the stability of the flexible clamping jaw for clamping the object is reduced.
Disclosure of Invention
The utility model aims to provide a mechanical clamping jaw, which aims to solve the problem of poor stability of a flexible clamping jaw on clamping an object.
In order to achieve the above object, the present utility model provides a mechanical clamping jaw, comprising a mounting seat and a clamp mechanism, wherein the clamp mechanism comprises a driving assembly, two clamping jaw bodies, two elastic blocks and two friction columns; the driving assembly is arranged on one side of the mounting seat, the two clamping claw bodies are respectively arranged on the outer side walls of the driving assembly, the two elastic blocks are respectively arranged on the two inner side walls of the clamping claw bodies, the two friction columns are respectively fixedly connected with the two clamping claw bodies, and the friction columns are respectively arranged on the inner side walls of the clamping claw bodies.
The driving assembly comprises an air cylinder, a gear rod and two gears, wherein the air cylinder is fixedly connected with the mounting seat and penetrates through the mounting seat, the gear rod is fixedly connected with the output end of the air cylinder, the two gears are respectively connected with the mounting seat in a rotating mode and meshed with the gear rod and are respectively located on the inner side wall of the mounting seat, and the two clamping claw bodies are respectively and fixedly connected with the two gears and are respectively located on the outer side wall of the gears.
The clamp mechanism further comprises two suction pumps, two exhaust pipes and two filter screens, wherein the two suction pumps are respectively and fixedly connected with the two friction columns and are both positioned on the inner side walls of the friction columns, the two exhaust pipes are respectively and fixedly connected with the two suction pumps and penetrate through the clamping claw body, the two filter screens are respectively and fixedly connected with the two suction pumps and are both positioned on one side far away from the exhaust pipes.
The elastic block comprises a spring and a stop block, wherein the spring is fixedly connected with the clamping jaw body and is positioned on the inner side wall of the clamping jaw body, and the stop block is fixedly connected with the spring, is slidably connected with the clamping jaw body and is positioned on the inner side wall of the clamping jaw body.
The friction column comprises a fixing rod and an anti-slip pad, wherein the fixing rod is fixedly connected with the clamping jaw body, fixedly connected with the suction pump and located on the inner side wall of the clamping jaw body, and the anti-slip pad is fixedly connected with the fixing rod and located on one side far away from the clamping jaw body.
The flexible clamping jaw further comprises a limiting mechanism, the limiting mechanism is arranged on one side, away from the air cylinder, of the gear rod, the limiting mechanism comprises a connecting rod and a block body, the connecting rod is fixedly connected with the gear rod and located on one side, away from the air cylinder, of the connecting rod, and the block body is fixedly connected with the connecting rod and located on one side, away from the gear rod.
According to the mechanical clamping jaw disclosed by the utility model, when an object is clamped, the driving assembly drives the two clamping jaw bodies to be close to each other until the two elastic blocks are contacted with the object, and at the moment, the driving assembly continues to output, so that the two elastic blocks are compressed to expose the two friction columns and contact with the object, the friction force between the two friction columns and the object is increased, the stability of clamping the object by the clamping jaw bodies is increased, and the problem of poor stability of clamping the object by the flexible clamping jaw is solved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic view of a mechanical jaw according to a first embodiment of the utility model.
Fig. 2 is a cross-sectional view of a mechanical jaw of a first embodiment of the utility model.
Fig. 3 is an enlarged view at detail a of fig. 2.
Fig. 4 is a cross-sectional view of a mechanical jaw of a second embodiment of the utility model.
101-mount, 102-clamp mechanism, 103-drive assembly, 104-gripper jaw body, 105-elastic block, 106-friction column, 107-suction pump, 108-exhaust pipe, 109-filter screen, 110-spring, 111-dog, 112-fixed rod, 113-slide pad, 114-cylinder, 115-gear lever, 116-gear, 201-stop mechanism, 202-connecting rod, 203-block.
Detailed Description
The first embodiment of the application is as follows:
referring to fig. 1-3, fig. 1 is a schematic structural diagram of a mechanical clamping jaw; FIG. 2 is a cross-sectional view of a mechanical jaw; fig. 3 is an enlarged view at detail a of fig. 2; the utility model provides a mechanical clamping jaw, which comprises a mounting seat 101 and a clamping mechanism 102, wherein the clamping mechanism 102 comprises a driving assembly 103, two clamping jaw bodies 104, two elastic blocks 105, two friction columns 106, two suction pumps 107, two exhaust pipes 108 and two filter screens 109, the elastic blocks 105 comprise springs 110 and a stop block 111, the friction columns 106 comprise fixing rods 112 and anti-slip pads 113, and the driving assembly 103 comprises an air cylinder 114, a gear rod 115 and two gears 116.
For the present embodiment, the driving assembly 103 is disposed on one side of the mounting base 101, the two gripper jaw bodies 104 are respectively disposed on the outer side walls of the driving assembly 103, the two elastic blocks 105 are respectively disposed on the inner side walls of the two gripper jaw bodies 104, and the two friction columns 106 are respectively fixedly connected with the two gripper jaw bodies 104 and are both disposed on the inner side walls of the gripper jaw bodies 104; the mounting base 101 provides mounting conditions for the driving assembly 103, the driving assembly 103 is used for driving the two clamping jaw bodies 104 to be close to each other to clamp an object, the two elastic blocks 105 are smooth in appearance, friction force between the clamping jaw bodies 104 and the object is reduced in the process of contacting the object, the clamping jaw bodies 104 can conveniently find clamping points on the surface of the object, and friction force between the friction columns 106 and the object is increased when the friction columns contact the object.
The cylinder 114 is fixedly connected with the mounting seat 101 and penetrates through the mounting seat 101, the gear rod 115 is fixedly connected with the output end of the cylinder 114, the two gears 116 are respectively and rotatably connected with the mounting seat 101 and meshed with the gear rod 115 and are positioned on the inner side wall of the mounting seat 101, the two clamping claw bodies 104 are respectively and fixedly connected with the two gears 116 and are positioned on the outer side wall of the gears 116; the cylinder 114 drives the gear rod 115 to move to a side close to the mounting seat 101, the gear rod 115 drives two gears 116 meshed with the gear rod to rotate on the mounting seat 101, and the two gears 116 respectively drive the two corresponding clamping claw bodies 104 to be close to each other, so that clamping of an object is achieved.
Secondly, two aspirator pumps 107 respectively with two friction post 106 fixed connection, all are located friction post 106 inside wall, two blast pipe 108 respectively with two aspirator pumps 107 fixed connection, all run through the gripper jaw body 104, two filter screen 109 respectively with two aspirator pumps 107 fixed connection, all are located one side of keeping away from blast pipe 108 aspirator pumps 107 work produces the negative pressure and adsorbs the object, further increases with the frictional force between the object, blast pipe 108 is used for with aspirator pump 107 inspiratory air discharge, filter screen 109 is used for filtering the dust on object surface, avoids the dust to get into aspirator pump 107 to cause the jam with aspirator pump 107.
Meanwhile, the spring 110 is fixedly connected with the gripper body 104 and located on the inner side wall of the gripper body 104, and the stop block 111 is fixedly connected with the spring 110, slidably connected with the gripper body 104 and located on the inner side wall of the gripper body 104; the spring 110 is used for connecting the stop block 111 to the gripper jaw body 104, the stop block 111 presses the spring 110 after contacting with an object, so that the spring 110 is compressed, and the stop block 111 slides into the gripper jaw body 104 to expose the friction column 106.
In addition, the fixing rod 112 is fixedly connected with the gripper jaw body 104, is fixedly connected with the suction pump 107, is positioned on the inner side wall of the gripper jaw body 104, and the anti-slip pad 113 is fixedly connected with the fixing rod 112 and is positioned on one side far away from the gripper jaw body 104; the fixing rod 112 is used to provide the installation condition of the anti-slip pad 113 and the suction pump 107, and the anti-slip pad 113 is used to increase the friction with the object.
When an object is clamped, the air cylinder 114 drives the gear rod 115 to move towards one side close to the mounting seat 101, the gear rod 115 drives two gears 116 meshed with the gear rod 115 to rotate on the mounting seat 101, the two gears 116 respectively drive the corresponding two clamping jaw bodies 104 to be close to each other until the two stop blocks 111 are in contact with the object, at the moment, the air cylinder 114 continues to output, the stop blocks 111 press the spring 110 after being in contact with the object, so that the spring 110 is compressed, the stop blocks 111 slide into the clamping jaw bodies 104 to expose the friction columns 106, the two elastic blocks 105 are compressed to expose the anti-slip pads 113 on the two fixing rods 112 and are in contact with the object, so that friction force between the two fixing rods and the object is increased, and meanwhile, the suction pump 107 works to adsorb the object under negative pressure, so that friction force between the clamping jaw bodies 104 and the object are further increased, the stability of the clamping jaw bodies 104 on the object is improved, and the problem of poor stability of the flexible clamping jaws on the object is solved.
The second embodiment of the present application is:
with reference to fig. 4 in addition to the first embodiment, fig. 4 is a cross-sectional view of a mechanical jaw; the flexible clamping jaw of the embodiment further comprises a limiting mechanism 201, and the limiting mechanism 201 comprises a connecting rod 202 and a block 203.
For the present embodiment, the limiting mechanism 201 is disposed on a side of the gear rod 115 away from the cylinder 114, the connecting rod 202 is fixedly connected with the gear rod 115 and is located on a side of the gear rod 115 away from the cylinder 114, and the block 203 is fixedly connected with the connecting rod 202 and is located on a side of the gear rod 115 away from the gear rod; the limiting mechanism 201 is configured to limit a movement range of the gear lever 115, so as to prevent the gear lever 115 from approaching to each other through excessive two gripper jaw bodies 104 of the gear 116, so that excessive pressure is applied to an object by the two gripper jaw bodies 104, and the object is pressed to deform, the connecting rod 202 connects the block 203 with the gear lever 115, and the block 203 is in an optimal state of gripping the object by the gripper jaw bodies 104 on the gear 116 when following the movement of the gear lever 115 to contact with the gear 116.
The connecting rod 202 connects the block 203 with the gear rod 115, and when the block 203 moves along with the gear rod 115 to contact with the gear 116, the block is in an optimal state of clamping objects by the gripper jaw bodies 104 on the gear 116, so that excessive approaching of the two gripper jaw bodies 104 by the gear rod 115 through the gear 116 is avoided, and the pressure exerted by the two gripper jaw bodies 104 on the objects is excessive, so that the objects are pressed and deformed.
The foregoing disclosure is only illustrative of one or more preferred embodiments of the present application and is not intended to limit the scope of the claims hereof, as it is to be understood by those skilled in the art that all or part of the process of implementing the described embodiment may be practiced otherwise than as specifically described and illustrated by the appended claims.
Claims (6)
1. A mechanical clamping jaw comprises a mounting seat, and is characterized in that,
the clamping device comprises a clamping device body, a clamping device and a clamping device, wherein the clamping device body comprises a driving assembly, two clamping claw bodies, two elastic blocks and two friction columns;
the driving assembly is arranged on one side of the mounting seat, the two clamping claw bodies are respectively arranged on the outer side walls of the driving assembly, the two elastic blocks are respectively arranged on the two inner side walls of the clamping claw bodies, the two friction columns are respectively fixedly connected with the two clamping claw bodies, and the friction columns are respectively arranged on the inner side walls of the clamping claw bodies.
2. A flexible jaw as claimed in claim 1, wherein,
the driving assembly comprises an air cylinder, a gear rod and two gears, wherein the air cylinder is fixedly connected with the mounting seat and penetrates through the mounting seat, the gear rod is fixedly connected with the output end of the air cylinder, the two gears are respectively connected with the mounting seat in a rotating mode and meshed with the gear rod and are respectively located on the inner side wall of the mounting seat, and the two clamping claw bodies are respectively and fixedly connected with the two gears and are respectively located on the outer side wall of the gears.
3. A flexible jaw as claimed in claim 2, characterized in that,
the clamp mechanism further comprises two suction pumps, two exhaust pipes and two filter screens, wherein the two suction pumps are respectively and fixedly connected with the two friction columns and are both positioned on the inner side walls of the friction columns, the two exhaust pipes are respectively and fixedly connected with the two suction pumps and penetrate through the clamping jaw body, the two filter screens are respectively and fixedly connected with the two suction pumps and are both positioned on one side far away from the exhaust pipes.
4. A flexible jaw as claimed in claim 3, wherein,
the elastic block comprises a spring and a stop block, wherein the spring is fixedly connected with the clamping jaw body and is positioned on the inner side wall of the clamping jaw body, and the stop block is fixedly connected with the spring, is slidably connected with the clamping jaw body and is positioned on the inner side wall of the clamping jaw body.
5. A flexible jaw as claimed in claim 4, wherein,
the friction column comprises a fixing rod and an anti-slip pad, wherein the fixing rod is fixedly connected with the clamping jaw body, fixedly connected with the suction pump and located on the inner side wall of the clamping jaw body, and the anti-slip pad is fixedly connected with the fixing rod and located on one side far away from the clamping jaw body.
6. A flexible jaw as claimed in claim 5, wherein,
the flexible clamping jaw further comprises a limiting mechanism, the limiting mechanism is arranged on one side, away from the air cylinder, of the gear rod, the limiting mechanism comprises a connecting rod and a block body, the connecting rod is fixedly connected with the gear rod and is located on one side, away from the air cylinder, of the gear rod, and the block body is fixedly connected with the connecting rod and is located on one side, away from the gear rod, of the gear rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322144446.9U CN220719342U (en) | 2023-08-10 | 2023-08-10 | Mechanical clamping jaw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322144446.9U CN220719342U (en) | 2023-08-10 | 2023-08-10 | Mechanical clamping jaw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220719342U true CN220719342U (en) | 2024-04-05 |
Family
ID=90499103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322144446.9U Active CN220719342U (en) | 2023-08-10 | 2023-08-10 | Mechanical clamping jaw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220719342U (en) |
-
2023
- 2023-08-10 CN CN202322144446.9U patent/CN220719342U/en active Active
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