CN210285905U - Mechanical fixture and grabbing device - Google Patents
Mechanical fixture and grabbing device Download PDFInfo
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- CN210285905U CN210285905U CN201921091926.0U CN201921091926U CN210285905U CN 210285905 U CN210285905 U CN 210285905U CN 201921091926 U CN201921091926 U CN 201921091926U CN 210285905 U CN210285905 U CN 210285905U
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Abstract
The utility model relates to a mechanical fixture and grabbing device, including the clamping mechanism that has a plurality of exposed cores and the actuating mechanism that drives the clamping mechanism opens or folds, the exposed core is rotated through the pivot and is installed the rigid plate, the clamping face of rigid plate all sets up towards the folding direction of clamping mechanism, and the rigid plate rotates in spacing region to with the adaptation of centre gripping article, through the rotation installation of the clamp of rigid plate and clamping mechanism holds the inboard of end, the rigid plate rotates in spacing region, realizes playing the cushioning effect in the clamp presss from both sides the article process of getting, avoids the clamping mechanism to press from both sides the condition that probably causes to collide with directly; in the clamping process, along with the position change between the clamping mechanism and the object to be clamped, the rigid plate rotates until the two sides of the rigid plate are respectively abutted against the inner sides of the clamping ends of the object to be clamped and the clamping mechanism, the rotation of the rigid plate is limited, and the object to be clamped is stably clamped between the rigid plates.
Description
Technical Field
The utility model relates to a snatch the mechanism field, especially relate to a mechanical fixture and grabbing device for snatching passenger train electron antiskid ware exhaust valve.
Background
The electronic air exhaust valve of the antiskid device of the passenger train needs to be periodically overhauled according to regulations, the cleaning and the disassembly and assembly are carried out manually in most of the prior arts, along with the development of the technology, the railway industry, particularly the passenger train overhauling field, and some simple and repetitive works are gradually applied to the automatic operation of a production line, the labor force is reduced, and the work efficiency is improved, however, along with the improvement of the quality of the product of the electronic air exhaust valve of the antiskid device, the price of the product of the existing electronic air exhaust valve of the antiskid device is expensive, particularly the product of the electronic air exhaust valve imported from abroad needs to be taken and sent to a disassembling device for disassembly after the cleaning of the air exhaust valve is finished, the taking and sending processes need to prevent the collision and the larger vibration, the existing mechanical clamp is easy to cause the collision to the air exhaust valve in the taking and sending processes, some springs are adopted for buffering, but the service life of the, the spring is in flexible contact, so that unstable grabbing is easy to occur.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art not enough, provide a mechanical fixture and grabbing device to solve at least one of above-mentioned technical problem.
The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a mechanical fixture, is including the clamping mechanism and the drive that have a plurality of exposed cores the actuating mechanism that clamping mechanism opened or folded, the exposed core rotates through the pivot and installs the rigid plate, the clamping face of rigid plate all faces clamping mechanism's the direction setting of folding, just the rigid plate rotates to with centre gripping article adaptation in spacing region.
The utility model has the advantages that: the rigid plate rotates in the limit area through the rotating installation of the rigid plate and the inner side of the clamping end of the clamping mechanism, so that the buffer effect is achieved in the process of clamping articles by the clamping mechanism, and the situation that the clamping mechanism is directly clamped and possibly collided is avoided; the rigid plate is in rigid contact with the inner side of the clamping end of the clamping mechanism, and the rotation angle of the rigid plate is limited, so that the clamping stability can be realized; in the clamping process, along with the position change between the clamping mechanism and the object to be clamped, the rigid plate rotates until the two sides of the rigid plate are respectively abutted against the inner sides of the clamping ends of the object to be clamped and the clamping mechanism, the rotation of the rigid plate is limited, and the object to be clamped is stably clamped between the rigid plates.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the rigid plate is positioned on the inner side of the clamping end, and the rotating shaft is perpendicular to the folding direction; the rigid plate is abutted against the inner side wall of the clamping end through the upper edge of the rigid plate for upper limiting, and the end of the clamping end is abutted against the inner side surface of the rigid plate for lower limiting; the upper limit and the lower limit form the limit area.
The beneficial effect of adopting the further scheme is that: before the clamping mechanism is not contacted with the outer surface of the electronic antiskid unit exhaust valve, the inner side surface of the rigid plate is abutted against the edge of the clamping end, and the rigid plate is positioned at a lower limiting position; when the electronic antiskid device exhaust valve is clamped, the rigid plate is in line contact with the outer side wall of the electronic antiskid device exhaust valve, and then rotates along with the closing of the clamping mechanism until the rigid plate is in contact with the outer side wall surface of the electronic antiskid device exhaust valve; the surface of passenger train electron antiskid ware exhaust valve generally is the plane, and the clamping face of rigid plate can realize pressing from both sides tightly the laminating of electron antiskid ware exhaust valve, and when the rigid plate rotated to last spacing, the top edge of rigid plate supported and leaned on the exposed core inside wall, the rigid plate can not take place to rotate again after pressing from both sides tight electron antiskid ware exhaust valve promptly, and both sides are got the end inboard spacing by the lateral wall of electron antiskid ware exhaust valve and clamping mechanism's clamp respectively, realize stable clamp tightly, can not take place the circumstances of dropping of electron antiskid ware exhaust valve.
Furthermore, the rigid plate is provided with an ear plate, and the rigid plate is rotatably connected with the rotating shaft through the ear plate.
Further, the both ends of rigidity board are equipped with one respectively the otic placode, the centre gripping end presss from both sides and establishes between two otic placodes.
The beneficial effect of adopting the further scheme is that: through setting up the otic placode at the rigidity board both ends, can improve the stability of rigidity board at spacing regional rotation process, and then improve the stability of getting the process.
Furthermore, a plurality of anti-skid convex ribs are arranged on the clamping surface of the rigid plate, and the anti-skid convex ribs are parallel to the rotating shaft.
The beneficial effect of adopting the further scheme is that: set up a plurality of protruding muscle of antiskid for form the corrugated surface on one side of flat plate portion and the contact of electron antiskid ware exhaust valve, improved the coefficient of friction between rigidity board and the electron antiskid ware exhaust valve, and then improve frictional force, prevent dropping of electron antiskid ware exhaust valve.
The clamping mechanism comprises at least two grippers, the clamping ends of the grippers face the folding direction of the clamping mechanism and are rotatably provided with the rigid plate, and the other ends of the grippers are rotatably connected with the mounting seat.
The beneficial effect of adopting the further scheme is that: the mounting base provides a rotating basis for the rotation of the hand grip; the quantity of tongs is set up according to the shape of waiting to press from both sides article, for example, current electron antiskid ware exhaust valve be the cuboid, and clamping mechanism sets up two tongs and can realize the grabbing to electron antiskid ware exhaust valve.
Further, the driving mechanism comprises a driving motor, a fixed connecting rod and a rotating connecting rod, the fixed connecting rod is installed at the output end of the driving motor, the driving motor drives the fixed connecting rod to do linear motion, and two ends of the rotating connecting rod are respectively connected with the fixed connecting rod and the hand grip in a rotating mode.
The beneficial effect of adopting the further scheme is that: the driving motor drives the fixed connecting rod to do linear motion, one end of the rotating connecting rod, which is connected with the fixed connecting rod, is driven to rotate, and the fixed connecting rod pushes and pulls the rotating connecting rod, so that the gripper is opened or closed.
Furthermore, a long strip-shaped through hole is formed in the hand grip along the length direction, and one end of the rotating connecting rod is inserted into the long strip-shaped through hole and is rotatably connected with the hand grip through a rotating shaft.
The beneficial effect of adopting the further scheme is that: the long strip-shaped through hole provides a rotating space for the rotation of the rotating connecting rod, and collision is avoided.
Further, the rigid plate is made of aluminum alloy.
On the other hand, the utility model provides a grabbing device, including a foretell mechanical fixture.
The mechanical clamp has the beneficial effects that the mechanical clamp has all the beneficial effects of the mechanical clamp, and the description is omitted here.
Drawings
FIG. 1 is a schematic view of a mechanical clamp of the present invention;
fig. 2 is an explosion diagram of the mechanical fixture of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the clamping mechanism 11, the clamping end 2, the driving mechanism 21, the driving motor 22, the fixed connecting rod 23, the rotating connecting rod 3, the rigid plate 32, the ear plate 33, the anti-skidding convex rib 5, the gripper 51, the elongated through hole 6, the mounting seat 7 and the mechanical arm.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Example 1
As shown in fig. 1 and 2, a mechanical fixture comprises a clamping mechanism 1 with a plurality of clamping ends 11 and a driving mechanism 2 for driving the clamping mechanism 1 to open or close, wherein the clamping ends 11 are rotatably provided with rigid plates 3 through rotating shafts, the clamping surfaces of the rigid plates 3 are all arranged towards the closing direction of the clamping mechanism 1, and the rigid plates 3 rotate in a limiting area to be matched with a clamped object.
The beneficial effect of this embodiment is: through the rotating installation of the rigid plate 3 and the inner side of the clamping end of the clamping mechanism 1, the rigid plate 3 rotates in a limiting area, so that the effect of buffering is achieved in the process that the clamping mechanism 1 clamps articles, and the situation that the clamping mechanism 1 clamps articles directly and possibly collides is avoided; the rigid plate 3 is in rigid contact with the inner side of the clamping end of the clamping mechanism 1, and the rotation angle of the rigid plate 3 is limited, so that the clamping stability can be realized; in the clamping process, along with the position change between the clamping mechanism 1 and the clamped article, the rigid plate 3 rotates until the two sides of the rigid plate 3 are respectively abutted against the inner sides of the clamping ends of the article to be clamped and the clamping mechanism 1, the rotation of the rigid plate 3 is limited, and the clamped article is stably clamped between the rigid plates 3.
Example 2
As shown in fig. 1 and 2, a mechanical fixture comprises a clamping mechanism 1 with a plurality of clamping ends 11 and a driving mechanism 2 for driving the clamping mechanism 1 to open or close, wherein the clamping ends 11 are rotatably provided with rigid plates 3 through rotating shafts, the clamping surfaces of the rigid plates 3 are all arranged towards the closing direction of the clamping mechanism 1, and the rigid plates 3 rotate in a limiting area to be matched with a clamped object.
Through the rotating installation of the rigid plate 3 and the inner side of the clamping end of the clamping mechanism 1, the rigid plate 3 rotates in a limiting area, so that the effect of buffering is achieved in the process that the clamping mechanism 1 clamps articles, and the situation that the clamping mechanism 1 clamps articles directly and possibly collides is avoided; the rigid plate 3 is in rigid contact with the inner side of the clamping end of the clamping mechanism 1, and the rotation angle of the rigid plate 3 is limited, so that the clamping stability can be realized; in the clamping process, along with the position change between the clamping mechanism 1 and the clamped article, the rigid plate 3 rotates until the two sides of the rigid plate 3 are respectively abutted against the inner sides of the clamping ends of the article to be clamped and the clamping mechanism 1, the rotation of the rigid plate 3 is limited, and the clamped article is stably clamped between the rigid plates 3.
As shown in fig. 1 and 2, the rigid plate 3 is located inside the clamping end 11, and the rotating shaft is perpendicular to the folding direction; the rigid plate 3 is abutted against the inner side wall of the clamping end 11 through the upper edge of the rigid plate for upper limiting, and the edge of the clamping end 11 is abutted against the inner side surface of the rigid plate 3 for lower limiting; the upper limit and the lower limit form the limit area.
Before the clamping mechanism 1 is not contacted with the outer surface of the electronic antiskid unit exhaust valve, the inner side surface of the rigid plate 3 is abutted against the edge of the clamping end 11, and the rigid plate 3 is at a lower limit position; when the electronic antiskid device exhaust valve is clamped, the rigid plate 3 is in line contact with the outer side wall of the electronic antiskid device exhaust valve, then the rigid plate 3 rotates along with the closing of the clamping mechanism 1 until the rigid plate 3 is in contact with the outer side wall surface of the electronic antiskid device exhaust valve; the surface of passenger train electron antiskid ware exhaust valve generally is the plane, and the clamping face of rigid plate 3 can realize pressing from both sides tightly the laminating of electron antiskid ware exhaust valve, and when rigid plate 3 rotated last spacing, the top edge of rigid plate 3 supported and leaned on 11 inside walls of exposed core, rigid plate 3 can not take place to rotate after pressing from both sides tight electron antiskid ware exhaust valve promptly, and both sides are got the end inboard spacing by the lateral wall of electron antiskid ware exhaust valve and clamping mechanism 1's clamp respectively, realize stable clamp tightly, can not take place the circumstances of dropping of electron antiskid ware exhaust valve.
As shown in figures 1 and 2, in the mechanical clamp, an ear plate 32 is arranged on the rigid plate 3, and the rigid plate 3 is rotatably connected with the rotating shaft through the ear plate 32.
Preferably, two ends of the rigid plate 3 are respectively provided with one of the ear plates 32, and the clamping end 11 is clamped between the two ear plates 32.
Through the ear plates 32 arranged at the two ends of the rigid plate 3, the stability of the rigid plate 3 in the rotation process of the limiting area can be improved, and the stability of the clamping process is improved
As shown in fig. 1 and 2, in the mechanical clamp, a plurality of anti-slip ribs 33 are arranged on a clamping surface of the rigid plate 3, and the anti-slip ribs 33 are parallel to the rotating shaft.
Set up a plurality of protruding muscle 33 of antiskid for form the corrugated surface on the one side of flat plate portion and the contact of electron antiskid ware exhaust valve, improved the coefficient of friction between rigid plate 3 and the electron antiskid ware exhaust valve, and then improve frictional force, prevent dropping of electron antiskid ware exhaust valve.
As shown in fig. 1 and 2, the mechanical fixture further includes a mounting base 6, the clamping mechanism 1 includes at least two grippers 5, clamping ends 11 of the grippers 5 are all arranged towards a closing direction of the clamping mechanism 1 and are rotatably mounted with the rigid plate 3, and the other ends of the grippers are rotatably connected with the mounting base 6.
The mounting seat 6 provides a rotating basis for the rotation of the hand grip 5; the quantity of tongs 5 is set up according to the shape of waiting to press from both sides article, for example, current electron antiskid ware exhaust valve be the cuboid, and clamping mechanism 1 sets up two tongs 5 and can realize the snatching of electron antiskid ware exhaust valve.
As shown in fig. 1 and 2, the driving mechanism 2 includes a driving motor 21, a fixed link 22 and a rotating link 23, the fixed link 22 is installed at an output end of the driving motor 21, the driving motor 21 drives the fixed link 22 to perform a linear motion, and two ends of the rotating link 23 are rotatably connected to the fixed link 22 and the gripper 5, respectively.
The driving motor 21 drives the fixed connecting rod 22 to move linearly, so as to drive one end of the rotating connecting rod 23 connected with the fixed connecting rod 22 to rotate, and the fixed connecting rod 22 pushes and pulls the rotating connecting rod 23, so that the gripper 5 is opened or closed.
As shown in fig. 1 and 2, in the mechanical clamp, a long-strip-shaped through hole 51 is formed in the hand grip 5 along the length direction, and one end of the rotating link 23 is inserted into the long-strip-shaped through hole 51 and is rotatably connected with the hand grip 5 through a rotating shaft.
The elongated through hole 51 provides a rotation space for the rotation of the rotation link 23 to avoid collision.
Specifically, the rigid plate 3 is made of an aluminum alloy material.
Preferably, the driving mechanism 2 is a cylinder.
The output end of the cylinder can do linear reciprocating motion.
Specifically, as shown in fig. 1 and 2, in this embodiment, the clamping mechanism 1 is two grippers 5 arranged oppositely, each gripper 5 is in an arc shape, one end of each gripper is a clamping end, the inner sides of the clamping ends are respectively rotatably provided with the rigid plates 3, the other end of each gripper is rotatably connected with the mounting seat 6, the output end of the cylinder is fixedly provided with the fixed connecting rod 22, the two ends of the rotating connecting rod 23 are respectively rotatably connected with the fixed connecting rod 22 and the middle of each gripper 5, the output end of the cylinder drives the fixed connecting rod 22 to perform reciprocating linear motion, and then the grippers 5 are driven to rotate around the mounting seat 6 through the rotating connecting rod 23, so that the opening and closing of the grippers 5 are realized, and the clamping or the loosening of the.
The rotary connection at each position is realized through a round pin.
A long strip-shaped through hole 51 is formed in the middle of the hand grip 5, one end of the rotating connecting rod 23 is inserted into the long strip-shaped through hole 51, and the rotating connecting with the hand grip 5 is realized through a round pin or a rotating shaft;
the rigid plate 3 is perpendicular to the ear plates 32, the ear plates 32 are located at two ends of the rigid plate 3, and the gripping end of the gripper 5 is clamped between the two ear plates 32 and is rotatably connected with the two ear plates 32 through a round pin or a rotating shaft.
In this embodiment, rigidity board 3 this application has certain thickness, when rotating vertical state, is close to the upper portion of one side of tongs 5 and the clamp of tongs 5 and holds the mutual butt of end inside wall.
The beneficial effect of this embodiment is: this embodiment has all the advantageous effects of embodiment 1, and further improves the gripping stability.
The working process of the embodiment is as follows: mechanical fixture from the top down motion, snatch electron antiskid ware exhaust valve, the cylinder drives output upward movement, tongs 5 relative motion, rigid plate 3 contacts with the surface of electron antiskid ware exhaust valve, at the in-process that snatchs, rigid plate 33 can rotate, press from both sides the in-process and play the cushioning effect of getting, avoid colliding with, treat completely with the surface laminating back of electron antiskid ware exhaust valve, rigid plate 3 is in vertical state, and can not take place to rotate under the spacing circumstances of carrying out in both sides, mechanical fixture can convey the electron antiskid ware exhaust valve of snatching, convey to appointed position after, the cylinder drives output downward movement, tongs 5 move back to back, release electron antiskid ware exhaust valve.
Example 3
As shown in fig. 1 and 2, a gripping device includes a mechanical gripper as described above.
Specifically, the mounting seat 6 of the mechanical fixture is mounted on a mechanical arm 7, and the mechanical arm 7 drives the mechanical fixture to move integrally, so that the purpose of conveying is achieved.
The beneficial effect of the embodiment is that the scheme has all the beneficial effects of the mechanical clamp, and the description is omitted here.
In the description herein, reference to the terms "embodiment one," "embodiment two," "example," "specific example," or "some examples," etc., means that a particular method, apparatus, or feature described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, methods, apparatuses, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The utility model provides a mechanical fixture, its characterized in that, is including the clamping mechanism and the drive that have a plurality of exposed cores the actuating mechanism that clamping mechanism opened or folded, the exposed core rotates through the pivot and installs the rigid plate, the clamping face of rigid plate all faces clamping mechanism's folding direction sets up, just the rigid plate rotates to with centre gripping article adaptation in spacing region.
2. The mechanical clamp of claim 1, wherein the rigid plate is located inside the clamping end, and the rotation axis is perpendicular to the folding direction; the rigid plate is abutted against the inner side wall of the clamping end through the upper edge of the rigid plate for upper limiting, and the end of the clamping end is abutted against the inner side surface of the rigid plate for lower limiting; the upper limit and the lower limit form the limit area.
3. The mechanical clamp of claim 1, wherein the rigid plate is provided with an ear plate, and the rigid plate is rotatably connected to the rotating shaft through the ear plate.
4. A mechanical clamp according to claim 3, wherein said rigid plate has two ends provided with one of said ear plates, respectively, and said clamping end is sandwiched between the two ear plates.
5. The mechanical clamp according to claim 1, wherein a plurality of anti-slip ribs are arranged on the clamping surface of the rigid plate, and the anti-slip ribs are parallel to the rotating shaft.
6. The mechanical clamp of claim 1, further comprising a mounting base, wherein the clamping mechanism comprises at least two grippers, a clamping end of each gripper is arranged towards a closing direction of the clamping mechanism and is rotatably provided with the rigid plate, and the other end of each gripper is rotatably connected with the mounting base.
7. The mechanical clamp according to claim 6, wherein the driving mechanism includes a driving motor, a fixed link and a rotating link, the fixed link is mounted at an output end of the driving motor, the driving motor drives the fixed link to move linearly, and two ends of the rotating link are rotatably connected to the fixed link and the hand grip respectively.
8. The mechanical clamp of claim 7, wherein the hand grip is provided with an elongated through hole along a length direction, and one end of the rotating link is inserted into the elongated through hole and is rotatably connected with the hand grip through a rotating shaft.
9. The mechanical clamp of claim 1, wherein the rigid plate is made of an aluminum alloy.
10. Gripping device, characterized in that it comprises a mechanical gripper according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921091926.0U CN210285905U (en) | 2019-07-12 | 2019-07-12 | Mechanical fixture and grabbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921091926.0U CN210285905U (en) | 2019-07-12 | 2019-07-12 | Mechanical fixture and grabbing device |
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| Publication Number | Publication Date |
|---|---|
| CN210285905U true CN210285905U (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921091926.0U Active CN210285905U (en) | 2019-07-12 | 2019-07-12 | Mechanical fixture and grabbing device |
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| CN (1) | CN210285905U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111607814A (en) * | 2020-06-30 | 2020-09-01 | 中国航发动力股份有限公司 | Tool device for turbine disc corrosion process and use method thereof |
-
2019
- 2019-07-12 CN CN201921091926.0U patent/CN210285905U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111607814A (en) * | 2020-06-30 | 2020-09-01 | 中国航发动力股份有限公司 | Tool device for turbine disc corrosion process and use method thereof |
| CN111607814B (en) * | 2020-06-30 | 2021-08-17 | 中国航发动力股份有限公司 | Tool device for turbine disc corrosion process and use method thereof |
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