CN220354184U - High-precision parallel pneumatic finger cylinder - Google Patents
High-precision parallel pneumatic finger cylinder Download PDFInfo
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- CN220354184U CN220354184U CN202321991479.0U CN202321991479U CN220354184U CN 220354184 U CN220354184 U CN 220354184U CN 202321991479 U CN202321991479 U CN 202321991479U CN 220354184 U CN220354184 U CN 220354184U
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- sliding seat
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- 238000007789 sealing Methods 0.000 claims description 8
- 230000004308 accommodation Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 10
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a high-precision parallel pneumatic finger cylinder, which comprises a cylinder barrel, wherein a piston is further arranged in the cylinder barrel, and the piston is further connected with a piston rod; the fixed seat is detachably connected with the cylinder barrel, and a first accommodating groove is formed in the fixed seat; the first containing groove is internally provided with a first sliding seat and a second sliding seat, and the first sliding seat and the second sliding seat are respectively in sliding connection with the inner wall of one side of the first containing groove. The utility model is provided with a plurality of crossed roller guide rails, the rigidity and the stability of the cylinder can be ensured by the transmission of the crossed roller guide rails, and meanwhile, the utility model is provided with the roller bearing, so that the friction force in the process of moving two clamping fingers can be reduced in the process of clamping a workpiece, and the clamping efficiency and the precision can be improved.
Description
Technical Field
The utility model relates to the technical field of air cylinders, in particular to a high-precision parallel pneumatic finger air cylinder.
Background
In the field of assembly and automation, when the finger is longer and the workpiece is heavier, the clamping is needed by utilizing a high-precision parallel pneumatic unit, if the longer pneumatic claw is needed to be clamped, the bending moment resistance can not be achieved, and the phenomenon of unstable clamping can be generated. At present, ordinary clamping jaw cylinder does not possess stronger rigidity, can cause the risk that drops under the condition of finger overlength, and simultaneously, current clamping jaw cylinder structure is complicated, and the centre gripping in-process, and the finger removes frictional force great, has the card phenomenon, and then influences clamping efficiency, consequently, need improve it.
Disclosure of Invention
The utility model aims to provide a high-precision parallel pneumatic finger cylinder, which is provided with a plurality of crossed roller guide rails, wherein the crossed roller guide rails are used for transmission, so that the rigidity and stability of the cylinder can be ensured, and meanwhile, the cylinder is provided with roller bearings, so that the friction force in the moving process of two clamping fingers can be reduced in the workpiece clamping process, and the clamping efficiency and precision can be improved.
In order to achieve the above purpose, the following technical scheme is adopted:
a high-precision parallel pneumatic finger cylinder comprises
The cylinder barrel is internally provided with a piston which is also connected with a piston rod;
the fixed seat is detachably connected with the cylinder barrel, and a first accommodating groove is formed in the fixed seat;
a first sliding seat and a second sliding seat are also arranged in the first accommodating groove, and the first sliding seat and the second sliding seat are respectively connected with the inner wall of one side of the first accommodating groove in a sliding way; one end of the bottom of the first sliding seat is also connected with a first clamping finger, and one end of the bottom of the second sliding seat, which is far away from the first clamping finger, is also connected with a second clamping finger; a first sliding hole is obliquely downwards formed in one side of the first sliding seat, a second sliding hole is obliquely downwards formed in one side of the second sliding seat, and the first sliding hole and the second sliding hole are mutually crossed; one end of the piston rod extends into the first accommodating groove, and two sides of the end of the piston rod are respectively provided with a guide post; the two guide posts are movably inserted into the first sliding hole and the second sliding hole respectively.
Further, the two guide posts are obliquely arranged, and the inclination angles of the two guide posts are respectively consistent with the inclination angles of the first sliding hole and the second sliding hole.
Further, the first accommodating groove is formed in the bottom of the fixing seat and penetrates through the two ends of the fixing seat; the inner walls of the two sides of the first accommodating groove are also provided with a plurality of first V-shaped sliding grooves along the length direction, and the positions of the other side of the first sliding seat and the other side of the second sliding seat, which correspond to the first V-shaped sliding grooves, are also provided with a plurality of second V-shaped sliding grooves; and a roller retainer is further arranged between the first V-shaped sliding groove and the second V-shaped sliding groove, and the first sliding seat and the second sliding seat are arranged in the first accommodating groove and are in sliding connection with the inner wall of the first accommodating groove through the roller retainer.
Further, two ends of the first sliding seat and two ends of the second sliding seat are also connected with limiting baffle plates, and two sides of the limiting baffle plates extend outwards to form limiting parts; the limiting part of one side of the limiting baffle plate, which is close to the first V-shaped chute, is also provided with a plurality of V-shaped protruding parts, and each V-shaped protruding part is correspondingly and movably inserted into one first V-shaped chute.
Further, one end of the piston rod extending into the first accommodating groove is also connected with a piston pushing block, and the two guide posts are respectively arranged on one side of the piston pushing block; one limiting part of the limiting baffle plate at one end of the first sliding seat and one end of the piston pushing block are also provided with a plurality of first roller bearings; one of the limiting parts of the limiting baffle at one end of the second sliding seat and the other end of the piston pushing block are also provided with a plurality of second roller bearings.
Further, the fixed seat is detachably connected with the bottom of the cylinder barrel, and a second accommodating groove is further formed in the bottom of the cylinder barrel along the vertical direction; the piston and the piston rod are arranged in the second accommodating groove; the top of fixing base still has offered the first jack with first accommodation groove intercommunication, and the one end of piston rod inserts in the first accommodation groove through first jack.
Further, a first mounting groove is formed in the top of the fixing seat, and a second mounting groove is formed in the position, corresponding to the first mounting groove, of the bottom of the cylinder barrel; the first jack is arranged in the first mounting groove, and the second accommodating groove is arranged in the second mounting groove; the first mounting groove and the second mounting groove enclose a mounting bayonet, and a limiting end cover is further arranged in the mounting bayonet; one end of the piston rod movably penetrates through the limiting end cover and then is inserted into the first accommodating groove through the first jack.
Further, the upper part and the lower part of the outer wall of the limiting end cover are respectively sleeved with a sealing ring, and the two sealing rings are respectively positioned in the first mounting groove and the second mounting groove.
Further, an air inlet communicated with the second accommodating groove is formed in the upper portion and the lower portion of one end of the cylinder barrel respectively.
Further, a plurality of locating pins are arranged on the top of the cylinder barrel and on one side of the fixing seat.
By adopting the scheme, the utility model has the beneficial effects that:
the finger cylinder is provided with a plurality of crossed roller guide rails, the rigidity and the stability of the cylinder can be ensured by transmitting through the plurality of crossed roller guide rails, and meanwhile, the finger cylinder is provided with a roller bearing, so that the friction force in the moving process of two clamping fingers can be reduced in the workpiece clamping process, and the clamping efficiency and the clamping precision can be improved.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a perspective view of the cylinder and anchor block of FIG. 1;
FIG. 3 is an exploded view of FIG. 2;
FIG. 4 is an exploded view of the other view of FIG. 3;
FIG. 5 is a cross-sectional view of the present utility model;
wherein, the attached drawings mark and illustrate:
1-a cylinder; 2-a fixed seat; 3-a first sliding seat; 4-a second sliding seat; 5-limiting baffle plates; 6, a limiting end cover; 11-a piston; 12-a piston rod; 13-a guide post; 14-a piston push block; 15-a first roller bearing; 16-a second roller bearing; 17-a second accommodating groove; 18-a locating pin; 21-a first accommodating groove; 22-a first V-shaped chute; 31—a first gripping finger; 32-a first slide hole; 41-a second gripping finger; 42-a second slide hole; 51-a limiting part; 52-V-shaped bosses; 61-sealing ring.
Detailed Description
The utility model will be described in detail below with reference to the drawings and the specific embodiments.
Referring to fig. 1 to 5, the utility model provides a high-precision parallel pneumatic finger cylinder, which comprises a cylinder barrel 1, wherein a piston 11 is further arranged in the cylinder barrel 1, and the piston 11 is further connected with a piston rod 12; the fixed seat 2 is detachably connected with the cylinder barrel 1, and a first accommodating groove 21 is formed in the fixed seat 2; the first accommodating groove 21 is internally provided with a first sliding seat 3 and a second sliding seat 4, and the first sliding seat 3 and the second sliding seat 4 are respectively connected with the inner wall of one side of the first accommodating groove 21 in a sliding way; the bottom end of the first sliding seat 3 is also connected with a first clamping finger 31, and the bottom end of the second sliding seat 4 far away from the first clamping finger 31 is also connected with a second clamping finger 41; a first sliding hole 32 is formed in one side of the first sliding seat 3 in a downward inclined manner, a second sliding hole 42 is formed in one side of the second sliding seat 4 in a downward inclined manner, and the first sliding hole 32 and the second sliding hole 42 are arranged in a crossing manner; one end of the piston rod 12 extends into the first accommodating groove 21, and two sides of the end of the piston rod 12 are respectively provided with a guide post 13; the two guide posts 13 are movably inserted into the first sliding hole 32 and the second sliding hole 42 respectively.
With continued reference to fig. 1 to 5, in one embodiment, the first sliding seat 3 and the second sliding seat 4 are arranged in parallel in the first accommodating groove 21, the first sliding seat 3 is provided with a first sliding hole 32 on a side close to the second sliding seat 4, the second sliding seat 4 is provided with a second sliding hole 42 on a side close to the first sliding seat 3, the first sliding hole 32 and the second sliding hole 42 are both inclined downward (opposite to each other in the inclined downward direction) and are arranged in an X-shape, meanwhile, one end of the piston rod 12 extends between the first sliding seat 3 and the second sliding seat 4, guide posts 13 on two sides of the piston rod extend into the first sliding hole 32 and the second sliding hole 42 respectively, the other end of the piston rod 12 is connected with the piston 11, and when the piston rod 12 performs a piston motion, the guide posts 13 can slide along the first sliding holes 32 and the second sliding holes 42 respectively, so that pressure or pulling force is applied to the first sliding seat 3 and the second sliding seat 4 (because the first sliding holes 32 and the second sliding holes 42 are in an X shape, the pressure or pulling force to the first sliding seat 3 and the second sliding seat 4 are opposite to each other), and then the first clamping fingers 31 and the second clamping fingers 41 can be driven to approach or separate from each other, so that the function of clamping or loosening a workpiece is realized, simplicity and high efficiency are realized, in addition, in order to ensure that the guide posts 13 can slide smoothly in the first sliding holes 32 and the second sliding holes 42 and the force applied to the first sliding seat 3 and the second sliding seat 4 is uniform, in the embodiment, the two guide posts 13 are obliquely arranged, and the inclination angles of the two guide posts 13 are consistent with the inclination angles of the first sliding holes 32 and the second sliding holes 42 respectively.
In one embodiment, the first accommodating groove 21 is formed at the bottom of the fixing base 2 and penetrates through to two ends of the fixing base 2; the inner walls of the two sides of the first accommodating groove 21 are also provided with a plurality of first V-shaped sliding grooves 22 along the length direction, and the positions of the other side of the first sliding seat 3 and the other side of the second sliding seat 4, which correspond to the plurality of first V-shaped sliding grooves 22, are also provided with a plurality of second V-shaped sliding grooves; a roller retainer is further installed between the first V-shaped chute 22 and the second V-shaped chute, and the first sliding seat 3 and the second sliding seat 4 are arranged in the first accommodating groove 21 in parallel and are slidably connected with the inner wall of the first accommodating groove 21 through the roller retainer.
In this embodiment, the first accommodating groove 21 is in a U-shaped structure, two sets of first V-shaped sliding grooves 22 are respectively formed in inner walls of two sides of the first accommodating groove 21, two sets of second V-shaped sliding grooves are respectively formed in one sides, close to the first V-shaped sliding grooves 22, of the first sliding seat 3 and the second sliding seat 4, a roller retainer (on which cylindrical rollers are mounted) is mounted between each of the first V-shaped sliding grooves 22 and the second V-shaped sliding grooves, the first sliding seat 3 and the second sliding seat 4 are slidably connected with the inner wall of the first accommodating groove 21 through the roller retainer, namely, four sets of crossed roller guide rails are formed, and the cylinder barrel 1 and the clamping finger portions are made of heat-treated high-hardness steel so as to ensure rigidity of the cylinder and stability of clamping workpieces.
In an embodiment, both ends of the first sliding seat 3 and both ends of the second sliding seat 4 are also connected with limiting baffle plates 5, and both sides of the limiting baffle plates 5 extend outwards to form limiting portions 51; a plurality of V-shaped protruding parts 52 are further arranged on the limiting part 51 of one side, close to the first V-shaped chute 22, of the limiting baffle 5, and each V-shaped protruding part 52 is correspondingly and movably inserted into one first V-shaped chute 22; one end of the piston rod 12 extending into the first accommodating groove 21 is also connected with a piston push block 14, and the two guide posts 13 are respectively arranged on one side of the piston push block 14; a plurality of first roller bearings 15 are also arranged between one of the limiting parts 51 of the limiting baffle 5 at one end of the first sliding seat 3 and one end of the piston push block 14; a plurality of second roller bearings 16 are also installed between one of the limiting parts 51 of the limiting baffle 5 at one end of the second sliding seat 4 and the other end of the piston pushing block 14.
In this embodiment, the V-shaped protruding portion 52 is used to guide the first sliding seat 3 and the second sliding seat 4 in a sliding manner, and simultaneously, the roller retainer can be limited to avoid falling, and meanwhile, two first roller bearings 15 and two second roller bearings 16 are further provided, through which friction force in the process of moving two clamping fingers can be reduced in the process of clamping the workpiece, so as to improve clamping efficiency and precision, in addition, the first roller bearings 15 are arranged between one end of the piston push block 14 and one of the limiting portions 51 of the limiting baffle 5 at one end of the first sliding seat 3, the second roller bearings 16 are arranged between the other end of the piston push block 14 and one of the limiting portions 51 of the limiting baffle 5 at one end of the second sliding seat 4, and when the limiting portions 51 contact the first roller bearings 15 in the process of sliding the first sliding seat 3 in the left direction, the sliding stroke of the first sliding seat 3 can be limited, so that excessive movement is avoided, and the practicability is high.
In an embodiment, the fixing seat 2 is detachably connected with the bottom of the cylinder 1, and the bottom of the cylinder 1 is further provided with a second accommodating groove 17 along the vertical direction; the piston 11 and the piston rod 12 are arranged in the second accommodating groove 17; the top of the fixed seat 2 is also provided with a first jack communicated with the first accommodating groove 21, and one end of the piston rod 12 is inserted into the first accommodating groove 21 through the first jack; the top of the fixed seat 2 is also provided with a first mounting groove, and the bottom of the cylinder barrel 1 is also provided with a second mounting groove at the position corresponding to the first mounting groove; the first jack is arranged in the first mounting groove, and the second accommodating groove 17 is arranged in the second mounting groove; the first mounting groove and the second mounting groove enclose a mounting bayonet, and a limiting end cover 6 is further arranged in the mounting bayonet; one end of the piston rod 12 is inserted into the first accommodating groove 21 through the first jack after movably penetrating through the limiting end cover 6.
In this embodiment, a limiting end cover 6 is further provided, the travel of the piston rod 12 can be limited by the limiting end cover 6, meanwhile, a sealing ring 61 is sleeved on the upper portion and the lower portion of the outer wall of the limiting end cover 6, the two sealing rings 61 are respectively located in the first installation groove and the second installation groove, the air tightness of the cylinder can be improved by arranging the sealing rings 61, in addition, an air inlet communicated with the second accommodation groove 17 is further formed in the upper portion and the lower portion of one end of the cylinder 1, a plurality of positioning pins 18 are further arranged on the top of the cylinder 1 and one side of the fixed seat 2, and two air inlets can be connected with an air source to drive the piston rod 12 to perform piston movement, and the cylinder is installed and positioned outside through the positioning pins 18.
The foregoing is only illustrative of the preferred embodiment of the present utility model, and all changes, substitutions and alterations herein, as come within the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. A high-precision parallel pneumatic finger cylinder is characterized by comprising
The cylinder barrel is internally provided with a piston which is also connected with a piston rod;
the fixed seat is detachably connected with the cylinder barrel, and a first accommodating groove is formed in the fixed seat;
a first sliding seat and a second sliding seat are also arranged in the first accommodating groove, and the first sliding seat and the second sliding seat are respectively connected with the inner wall of one side of the first accommodating groove in a sliding way; one end of the bottom of the first sliding seat is also connected with a first clamping finger, and one end of the bottom of the second sliding seat, which is far away from the first clamping finger, is also connected with a second clamping finger; a first sliding hole is obliquely downwards formed in one side of the first sliding seat, a second sliding hole is obliquely downwards formed in one side of the second sliding seat, and the first sliding hole and the second sliding hole are mutually crossed; one end of the piston rod extends into the first accommodating groove, and two sides of the end of the piston rod are respectively provided with a guide post; the two guide posts are movably inserted into the first sliding hole and the second sliding hole respectively.
2. The high-precision parallel pneumatic finger cylinder according to claim 1, wherein both guide posts are inclined, and the inclination angles of the guide posts are consistent with the inclination angles of the first slide hole and the second slide hole respectively.
3. The high-precision parallel pneumatic finger cylinder according to claim 1, wherein the first accommodating groove is formed at the bottom of the fixing seat and penetrates through to two ends of the fixing seat; the inner walls of the two sides of the first accommodating groove are also provided with a plurality of first V-shaped sliding grooves along the length direction, and the positions of the other side of the first sliding seat and the other side of the second sliding seat, which correspond to the first V-shaped sliding grooves, are also provided with a plurality of second V-shaped sliding grooves; and a roller retainer is further arranged between the first V-shaped sliding groove and the second V-shaped sliding groove, and the first sliding seat and the second sliding seat are arranged in the first accommodating groove and are in sliding connection with the inner wall of the first accommodating groove through the roller retainer.
4. The high-precision parallel pneumatic finger cylinder according to claim 3, wherein both ends of the first sliding seat and both ends of the second sliding seat are also connected with limiting baffle plates, and both sides of the limiting baffle plates extend outwards to form limiting parts; the limiting part of one side of the limiting baffle plate, which is close to the first V-shaped chute, is also provided with a plurality of V-shaped protruding parts, and each V-shaped protruding part is correspondingly and movably inserted into one first V-shaped chute.
5. The high-precision parallel pneumatic finger cylinder as set forth in claim 4, wherein one end of the piston rod extending into the first accommodation groove is further connected with a piston pushing block, and the two guide posts are respectively arranged at one side of the piston pushing block; one limiting part of the limiting baffle plate at one end of the first sliding seat and one end of the piston pushing block are also provided with a plurality of first roller bearings; one of the limiting parts of the limiting baffle at one end of the second sliding seat and the other end of the piston pushing block are also provided with a plurality of second roller bearings.
6. The high-precision parallel pneumatic finger cylinder according to claim 1, wherein the fixed seat is detachably connected with the bottom of the cylinder barrel, and a second accommodating groove is further formed in the bottom of the cylinder barrel along the vertical direction; the piston and the piston rod are arranged in the second accommodating groove; the top of fixing base still has offered the first jack with first accommodation groove intercommunication, and the one end of piston rod inserts in the first accommodation groove through first jack.
7. The high-precision parallel pneumatic finger cylinder as set forth in claim 6, wherein the top of the fixed seat is further provided with a first mounting groove, and the bottom of the cylinder barrel is further provided with a second mounting groove corresponding to the first mounting groove; the first jack is arranged in the first mounting groove, and the second accommodating groove is arranged in the second mounting groove; the first mounting groove and the second mounting groove enclose a mounting bayonet, and a limiting end cover is further arranged in the mounting bayonet; one end of the piston rod movably penetrates through the limiting end cover and then is inserted into the first accommodating groove through the first jack.
8. The high-precision parallel pneumatic finger cylinder as set forth in claim 7, wherein a sealing ring is further sleeved on the upper portion and the lower portion of the outer wall of the limiting end cover, and the two sealing rings are respectively located in the first mounting groove and the second mounting groove.
9. The high-precision parallel pneumatic finger cylinder as set forth in claim 6, wherein an upper portion and a lower portion of one end of said cylinder are further provided with an air inlet communicating with the second accommodation groove, respectively.
10. The high-precision parallel pneumatic finger cylinder according to claim 1, wherein a plurality of positioning pins are further arranged on the top of the cylinder barrel and on one side of the fixed seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321991479.0U CN220354184U (en) | 2023-07-27 | 2023-07-27 | High-precision parallel pneumatic finger cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321991479.0U CN220354184U (en) | 2023-07-27 | 2023-07-27 | High-precision parallel pneumatic finger cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220354184U true CN220354184U (en) | 2024-01-16 |
Family
ID=89500525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321991479.0U Active CN220354184U (en) | 2023-07-27 | 2023-07-27 | High-precision parallel pneumatic finger cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220354184U (en) |
-
2023
- 2023-07-27 CN CN202321991479.0U patent/CN220354184U/en active Active
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