CN113997223A - Pneumatic clamping jaw with adjustable clamping position - Google Patents
Pneumatic clamping jaw with adjustable clamping position Download PDFInfo
- Publication number
- CN113997223A CN113997223A CN202111428234.2A CN202111428234A CN113997223A CN 113997223 A CN113997223 A CN 113997223A CN 202111428234 A CN202111428234 A CN 202111428234A CN 113997223 A CN113997223 A CN 113997223A
- Authority
- CN
- China
- Prior art keywords
- base
- block
- clamping jaw
- adjustable
- guide rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
Abstract
The invention relates to a pneumatic clamping jaw with an adjustable clamping position, which comprises a horizontally arranged base; a mounting plate is vertically fixed on the base; the driving device is fixed on the mounting plate and comprises an output shaft which can stretch in the front-back direction; the mounting plate is provided with a through hole for the output shaft of the driving device to pass through; the base is arranged on the base in a guiding and sliding manner and is elastically connected with the mounting plate; a guide rod is arranged on the base in a guiding sliding manner, one end of the guide rod is in transmission connection with an output shaft of the driving device, and the other end of the guide rod is fixedly connected with a propelling block; the base is fixedly connected with a hinge seat, the hinge seat is hinged with two clamping jaws, and the rear ends of the clamping jaws are in transmission connection with the propelling block; a buffer structure is arranged between the hinged seat and the propelling block; the position of the limiting block is adjustable and is arranged on the base, and the limiting block can stop and limit the base in the front and back directions; when the workpiece faces different positions, the position of the limiting block is adjusted relative to the base, and the operation is simple, convenient and quick.
Description
Technical Field
The invention belongs to the technical field of clamping devices, and particularly relates to a pneumatic clamping jaw with an adjustable clamping position.
Background
When processing or detecting the product, the clamping device of work piece will need to be used many times to remove the product. Under the general condition, the clamping position of the clamping device is fixed, and only the workpiece at the fixed position can be clamped, if the machining or detection position of the workpiece changes, the whole clamp needs to be disassembled and adjusted according to the changed machining position or detection position of the workpiece, and then the clamping device is fixed and installed again, so that the clamping position of the clamping device can be changed to clamp the workpiece after the changing position, but certain time is needed in the processes of disassembling, adjusting and installing the clamping device, and therefore the production efficiency is reduced.
Disclosure of Invention
In view of this, the present invention provides a pneumatic clamping jaw with an adjustable clamping position, so as to solve the technical problem in the prior art that a certain time is required to be spent when the clamping position of a clamping device needs to be adjusted, which results in a reduction in production efficiency.
In order to achieve the purpose, the invention discloses a pneumatic clamping jaw with an adjustable clamping position, which adopts the technical scheme that:
a pneumatic clamping jaw with adjustable clamping position, comprising:
base: horizontally arranging;
mounting a plate: is vertically fixed on the base;
a driving device: the driving device comprises an output shaft which can stretch out and draw back along the front and back directions;
the mounting plate is provided with a through hole for the output shaft of the driving device to pass through;
a base: the guide sliding device is arranged on the base, and the base is elastically connected with the mounting plate;
a guide rod is arranged on the base in a guiding sliding manner, one end of the guide rod is in transmission connection with an output shaft of the driving device, and the other end of the guide rod is fixedly connected with a propelling block;
the base is fixedly connected with a hinge seat, the hinge seat is hinged with two clamping jaws, and the rear ends of the clamping jaws are in transmission connection with the propelling block;
a buffer structure is arranged between the hinged seat and the propelling block;
a limiting block: the position is adjustable and arranged on the base, and the limiting block can limit the base in the front-back direction.
Has the advantages that: according to the clamping device, the output shaft of the driving device stretches to realize that the guide rod stretches in the front-back direction, the guide rod drives the pushing block to move forwards, the base also moves forwards, so that the base drives the clamping jaws to translate forwards, when the front end of the base is in contact with the limiting block, the base stops moving, the output shaft of the driving device further extends out, the guide rod continues to translate forwards relative to the base, the pushing block compresses the buffer structure and moves forwards relative to the base, the two clamping jaws are clamped with each other, and the clamping of a workpiece is completed; the limiting block position is adjustable and arranged on the base, so that the base can be adjusted at the limit position moved in the front-back direction, the clamping position of the clamping jaw in the front-back direction can be adjusted, when the clamping jaw faces to workpieces at different positions, the limiting block can be adjusted only relative to the base, the operation is simple, convenient and fast, a large amount of time cannot be wasted, and the influence on the production efficiency is small.
Further, the base comprises an installation part and a supporting part, wherein the installation part is integrally arranged, and the supporting part is perpendicular to the installation part; the guide rod penetrates through the support part and is in guide sliding assembly relative to the support part; the hinge seat is fixed on the upper surface of the mounting part.
Has the advantages that: the base can enough realize supporting the direction of guide bar, can also realize the fixed to articulated seat, and the structure sets up simply under the prerequisite that satisfies the operation requirement, and is more steady when sliding for the base direction.
Furthermore, a guide sleeve is fixed in the supporting part, and the guide rod is in guide sliding fit with the guide sleeve.
Has the advantages that: the guide sleeve can also reduce and the guide bar between frictional force when can form the supporting effect of preferred to the guide bar, conveniently realize the guide bar for with the base direction slip.
The hinged seat is I-shaped and comprises two U-shaped grooves, and the two clamping jaws are hinged in the U-shaped grooves respectively.
Has the advantages that: the U-shaped groove of the hinged seat facilitates hinging of the clamping jaw and meanwhile facilitates fixedly connecting the hinged seat with the base.
The propelling block is a block body which is perpendicular to the guide rod, one end of the buffering structure is connected to the middle of one side, facing the hinge seat, of the propelling block, and the other end of the buffering structure is connected to the middle of one side, facing the propelling block, of the hinge seat; the end part of the pushing block and the rear end of the clamping jaw at the same side are provided with chain plate structures, one end of each chain plate structure is hinged with the end part of the pushing block, and the other end of each chain plate structure is hinged with the rear end of the clamping jaw.
Has the advantages that: the arrangement of the chain plate structure is convenient for realizing the clamping or the opening of the clamping jaw through the movement of the pushing block; the structure of the propelling block is convenient for the hinge connection between the propelling block and the chain plate structure and the connection between the propelling block and the buffering structure, and when the guide shaft retracts backwards, the propelling block can be used for pushing the supporting part of the base backwards, so that the base moves backwards under the driving of the propelling block.
Furthermore, the chain plate structure comprises an upper chain plate arranged above the clamping jaw and above the pushing block and a lower connecting plate arranged below the clamping jaw and below the pushing block, and the upper chain plate and the lower chain plate are correspondingly arranged.
Has the advantages that: the chain plate structure comprises an upper chain plate and a lower chain plate, and the load can be more stably transmitted between the pushing block and the clamping jaw.
The base plate is fixed with a guide rail extending along the front-back direction, a sliding block is arranged on the guide rail in a guiding sliding fit mode, and the base is fixed on the sliding block.
Has the advantages that: the base can be arranged in a guiding and sliding manner relative to the base through guiding movement of the sliding block on the guide rail.
Furthermore, the position of the limiting block is adjustable and is arranged on the guide rail.
Has the advantages that: the position of the limiting block relative to the base can be adjusted by means of the guide advantages of the guide rail.
Furthermore, the limiting block is provided with a blocking part, and the front part of the base is provided with a groove matched with the blocking part.
Has the advantages that: the stop part of the limiting block is matched with the groove of the base, so that the limiting block can limit the base in the front-back direction and the left-right direction.
The base is elastically connected with the mounting plate through a pushing spring.
Has the advantages that: the structure of the propelling spring is simple.
Drawings
FIG. 1 is a schematic diagram of a pneumatic clamping jaw of the present invention with adjustable clamping position;
FIG. 2 is a cross-sectional view of one of the pneumatic jaws of FIG. 1 with an adjustable gripping position;
FIG. 3 is a schematic view of the clamping position of the adjustable pneumatic clamp jaw of FIG. 1;
fig. 4 is a schematic view of the open position of the pneumatic clamping jaw of fig. 1 with adjustable clamping position.
Reference numerals: 1-a base; 2-a drive device; 3, mounting a plate; 4-stud bolts; 5-a propulsion spring; 6-a guide rod; 7-a base; 8-a guide sleeve; 9-a propelling block; 10-a chain plate; 11-a pin shaft; 12-a return spring; 13-a hinge bolt; 14-a hinged seat; 15-a clamping jaw; 16-a guide rail; 17-a slide block; 18-a limiting block; 19-a stop.
Detailed Description
The pneumatic clamping jaw with adjustable clamping position of the invention is further described in detail with reference to the accompanying drawings and the specific embodiments:
as shown in fig. 1 and fig. 2, the pneumatic clamping jaw with an adjustable clamping position of the invention comprises a base 1 horizontally arranged, a mounting plate 3 is vertically fixed on the base 1, and a driving device 2 is fixed on the rear side of the mounting plate 3, in this embodiment, the driving device 2 is a telescopic cylinder, and in other embodiments, the driving device 2 may also be a telescopic hydraulic cylinder; the driving device 2 comprises an output shaft which is arranged on the front side of the driving device and can stretch out and draw back along the front-back direction, and a through hole for the output shaft of the driving device 2 to pass through is formed in the mounting plate 3.
The pneumatic clamping jaw comprises a base 7 which is arranged in a guiding and sliding mode relative to a base 1, specifically, a guide rail 16 which extends in the front-back direction is fixed on the upper surface of the base 1 through screws, a sliding block 17 is matched on the guide rail 16 in a guiding and sliding mode, the base 7 is fixed on the sliding block 17, and the base 7 slides relative to the base 7 in the guiding mode through the guiding and sliding of the sliding block 17 relative to the guide rail 16.
A guide rod 6 is arranged on the base 7 in a guiding sliding mode, one end of the guide rod 6 is in transmission connection with an output shaft of the driving device 2, and a propelling block 9 is fixedly connected to the other end of the guide rod 6. Specifically, threaded holes are formed in two ends of the guide rod 6, threaded holes are also formed in the end portion of the output shaft of the driving device 2, and one end of the guide rod 6 is in transmission connection with the output shaft of the driving device 2 through a stud bolt 4; the other end of the guide rod 6 is in transmission connection with a propelling block 9 through a screw top. In this embodiment, the pusher block 9 is a block body provided perpendicular to the guide bar 6, and the pusher block 9 has a rectangular parallelepiped shape.
The base 7 includes an installation portion and a support portion that are integrally provided, the support portion being vertically provided with respect to the installation portion, and an upper surface of the support portion being higher than an upper surface of the installation portion. The guide rod 6 penetrates through the supporting part and is in guide sliding assembly relative to the supporting part, specifically, a guide sleeve 8 extending in the front-back direction is fixed in the supporting part, and the guide rod 6 is in guide sliding fit with the guide sleeve 8. The supporting part is provided with a mounting hole, the guide sleeve 8 is arranged in the mounting hole, and the guide sleeve 8 is fixed on the supporting part through a set screw.
The base 7 is elastically connected with the mounting plate 3, and in the embodiment, the base 7 is elastically connected with the mounting plate 3 through the pushing spring 5. Two propelling springs 5 are provided, and the two propelling springs 5 are respectively provided on the left and right sides of the guide bar 6. Set up the first blind hole that the opening faced forward on the mounting panel 3, set up the second blind hole that the opening faced the back and set up with first blind hole on the mounting panel 3 relatively on the supporting part of base 7, the one end setting of propulsion spring 5 just is connected the setting with mounting panel 3 in first blind hole, the other end setting of propulsion spring 5 just is connected the setting with base 7 in the second blind hole.
The projection of the mounting part of the base 7 on the base 1 is larger than the projection of the sliding block 17 on the base 1, so that after the base 7 is fixedly connected with the sliding block 17, the peripheral edge of the mounting part of the base 7 is arranged in an overhanging way relative to the sliding block 17.
Articulated seat 14 is fixed with at the upper surface of the installation department of base 7, and articulated seat 14 is "worker" font, including two U type grooves, has articulated clamping jaw 15 respectively in two U type grooves, and clamping jaw 15 is including the link that is located the clamping end in articulated seat 14 the place ahead and is located articulated seat 14 rear end. The hinge base 14 is fixed to the base 7 by two hinge bolts 13 spaced left and right, the hinge bolts 13 respectively pass through U-shaped grooves of the hinge base 14, and hinge shafts extending in the up-down direction of the jaws 15 are formed in the U-shaped grooves.
The rear end of the clamping jaw 15 is in transmission connection with the pushing block 9, specifically, a chain plate structure is arranged between the left end portion and the right end portion of the pushing block 9 and the rear end of the clamping jaw 15 on the same side, one end of the chain plate structure is hinged with the end portion of the pushing block 9 through a pin shaft 11, and the other end of the chain plate structure is hinged with the rear end of the clamping jaw 15 through a pin shaft 11. In order to more stably transmit the load between the pushing block 9 and the clamping jaw 15, in the embodiment, the chain plate structure comprises an upper chain plate 10 arranged above the clamping jaw 15 and above the pushing block 9 and a lower chain plate 10 arranged below the clamping jaw 15 and below the pushing block 9, wherein the upper chain plate 10 and the lower chain plate 10 are arranged in an up-and-down corresponding mode.
A buffer structure is arranged between the propelling block 9 and the hinged seat 14, one end of the buffer structure is connected to the middle of one side of the propelling block 9, which faces the hinged seat 14, and the other end of the buffer structure is connected to the middle of one side of the hinged seat 14, which faces the propelling block 9; in this embodiment, the buffer structure is a return spring 12, a first opening with a forward opening is formed in the middle of the front side surface of the pushing block 9, a second opening with a backward opening and arranged opposite to the first opening is formed in the middle of the rear side surface of the hinged seat 14, one end of the return spring 12 is arranged in the first opening and connected with the pushing block 9, and the other end of the return spring 12 is arranged in the second opening and connected with the hinged seat 14.
The position of the base 1 is adjustable, and the limiting block 18 can limit the base 7 in the front-back direction. Specifically, the position of the limit block 18 is adjustable and arranged on the guide rail 16, and the limit block 18 is provided with a sliding groove matched with the guide rail 16 in a guiding and sliding manner, so that the limit block 18 can slide along the guide rail 16 in a guiding manner to adjust the specific position of the limit block 18 on the guide rail 16, and after the position is adjusted in place, the limit block 18 is fixed relative to the guide rail 16 through a set screw. In this embodiment, the limiting block 18 is provided with a stopping portion 19, and the front portion of the base 7 is provided with a groove adapted to the stopping portion 19, so that the limiting block 18 can limit the base 7 in the front-back direction and can limit the base 7 in the left-right direction.
When a workpiece needs to be clamped, as shown in fig. 3, the output shaft of the driving device 2 extends out, the output shaft drives the guide rod 6 to move from back to front, the guide rod 6 drives the pushing block 9 to move forward, and meanwhile, the base 7 also moves forward under the action of the pushing spring 5, so that the clamping jaw 15 is driven by the base 7 to move forward. When the groove at the front end of the base 7 moves to the position of the limiting block 18, the stopping part 19 of the limiting block 18 is positioned in the groove of the base 7 to limit the position of the base 7, at the moment, the base 7 stops moving, and the clamping jaw 15 reaches the clamping position; the output shaft of the driving device 2 further extends, the guide rod 6 moves forwards relative to the base 7, the guide rod 6 drives the pushing block 9 to move forwards continuously, the pushing block 9 compresses the return spring 12 and moves forwards relative to the base 7, and at the moment, the hinged point of the chain plate 10 and the rear end of the clamping jaw 15 moves away from the return spring 12 respectively, so that the clamping ends of the two clamping jaws 15 move relatively, and the clamping of the clamping jaw 15 on a workpiece is realized.
When a workpiece needs to be placed, as shown in fig. 4, the output shaft of the driving device 2 retracts, the output shaft drives the guide rod 6 to move from front to back, the guide rod 6 drives the pushing block 9 to move back, meanwhile, the return spring 12 pushes the pushing block 9 to move back, the pushing block 9 drives the chain plate 10 to move, at this time, the hinged points of the chain plate 10 and the rear ends of the clamping jaws 15 respectively move towards the return spring 12, so that the clamping ends of the two clamping jaws 15 move back, and the clamping jaws 15 loosen the workpiece; the output shaft of the driving device 2 further retracts, the guide rod 6 moves backwards relative to the base 7, the guide rod 6 drives the pushing block 9 to move backwards continuously, the pushing block 9 pushes the base 7 to move backwards along the guide rail 16, the base 7 drives the clamping jaw 15 to move backwards successively, and the pushing spring 5 is compressed.
When the clamping position of the pneumatic clamping jaw 15 needs to be changed, the set screw between the limiting block 18 and the guide rail 16 is loosened, the position of the limiting block 18 on the guide rail 16 is adjusted, and the set screw is screwed again after the adjustment is in place, so that the limiting block 18 and the guide rail 16 are fixed.
In the above embodiment, the base includes an installation portion and a support portion, the installation portion and the support portion being arranged perpendicularly to each other; in other embodiments, the base may further include a mounting portion and a supporting portion fixed to the mounting portion.
In the above embodiment, the support part is fixed with a guide sleeve, and the guide rod is in guide sliding fit with the guide sleeve; in other embodiments, the guide sleeve may not be provided, and the guide hole is directly formed on the support portion along the front-rear direction.
In the above embodiment, the chain plate structure includes an upper chain plate disposed above the clamping jaw and above the pushing block, and a lower chain plate disposed below the clamping jaw and below the pushing block, and the upper chain plate and the lower chain plate are disposed correspondingly; in other embodiments, the link plate structure may also include only a link plate disposed above the jaws and above the pusher block or a lower link plate disposed below the jaws and below the pusher block.
In the above embodiment, the base is fixed with a guide rail extending in the front-rear direction, the guide rail is guided to be slidably fitted with a slide block, and the base is fixed on the slide block; in other embodiments, the upper surface of the base can be further provided with a guide groove extending in the front-back direction, and the guide groove is provided with a sliding block in a guiding and sliding manner.
In the above embodiment, the position of the limiting block is adjustable and arranged on the guide rail; in other embodiments, the position of the limiting block is adjustable and is arranged in the guide groove on the base.
In the above embodiment, the limiting block is provided with a stopping part, and the front part of the base is provided with a groove adapted to the stopping part; in other embodiments, the limiting block is of a plate-shaped structure, and the front part of the base can be provided with no groove.
In the above embodiment, the base and the mounting plate are elastically connected by a push spring; in other embodiments, the base and the mounting plate are elastically connected through an elastic cushion layer.
Claims (10)
1. The utility model provides a clamping position adjustable pneumatic clamping jaw, characterized by includes:
base: horizontally arranging;
mounting a plate: is vertically fixed on the base;
a driving device: the driving device comprises an output shaft which can stretch out and draw back along the front and back directions;
the mounting plate is provided with a through hole for the output shaft of the driving device to pass through;
a base: the guide sliding device is arranged on the base, and the base is elastically connected with the mounting plate;
a guide rod is arranged on the base in a guiding sliding manner, one end of the guide rod is in transmission connection with an output shaft of the driving device, and the other end of the guide rod is fixedly connected with a propelling block;
the base is fixedly connected with a hinge seat, the hinge seat is hinged with two clamping jaws, and the rear ends of the clamping jaws are in transmission connection with the propelling block;
a buffer structure is arranged between the hinged seat and the propelling block;
a limiting block: the position is adjustable and arranged on the base, and the limiting block can limit the base in the front-back direction.
2. The pneumatic clamping jaw with the adjustable clamping position as claimed in claim 1, wherein the base comprises an installation part and a supporting part, wherein the installation part is integrally arranged with the supporting part; the guide rod penetrates through the support part and is in guide sliding assembly relative to the support part; the hinge seat is fixed on the upper surface of the mounting part.
3. A pneumatic clamping jaw with adjustable clamping position as claimed in claim 2, characterized in that a guide sleeve is fixed in the support part, and the guide rod is in guiding sliding fit with the guide sleeve.
4. A pneumatic clamping jaw with an adjustable clamping position according to claim 2 or 3, characterized in that the hinged seat is in an i shape and comprises two U-shaped grooves, and the two clamping jaws are respectively hinged in the U-shaped grooves.
5. The pneumatic clamping jaw with the adjustable clamping position as claimed in any one of claims 1 to 3, wherein the pushing block is a block body which is arranged perpendicular to the guide rod, one end of the buffering structure is connected to the middle of one side of the pushing block, which faces the hinged seat, and the other end of the buffering structure is connected to the middle of one side of the hinged seat, which faces the pushing block; the end part of the pushing block and the rear end of the clamping jaw at the same side are provided with chain plate structures, one end of each chain plate structure is hinged with the end part of the pushing block, and the other end of each chain plate structure is hinged with the rear end of the clamping jaw.
6. The pneumatic clamping jaw with the adjustable clamping position as claimed in claim 5, wherein the chain plate structure comprises an upper chain plate arranged above the clamping jaw and above the pushing block and a lower chain plate arranged below the clamping jaw and below the pushing block, and the upper chain plate and the lower chain plate are correspondingly arranged.
7. A pneumatic clamping jaw with adjustable clamping position according to any one of claims 1-3, characterized in that a guide rail extending in the front-rear direction is fixed on the base, a slide block is slidably fitted on the guide rail, and the base is fixed on the slide block.
8. The pneumatic clamping jaw with the adjustable clamping position as claimed in claim 7, wherein the position of the limiting block is adjustable and arranged on the guide rail.
9. The pneumatic clamping jaw with the adjustable clamping position as claimed in claim 8, wherein the limiting block is provided with a stopping part, and the front part of the base is provided with a groove matched with the stopping part.
10. A pneumatic clamping jaw with adjustable clamping position according to any one of claims 1-3, characterized in that the base is resiliently connected to the mounting plate by means of a thrust spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111428234.2A CN113997223A (en) | 2021-11-29 | 2021-11-29 | Pneumatic clamping jaw with adjustable clamping position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111428234.2A CN113997223A (en) | 2021-11-29 | 2021-11-29 | Pneumatic clamping jaw with adjustable clamping position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113997223A true CN113997223A (en) | 2022-02-01 |
Family
ID=79930641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111428234.2A Pending CN113997223A (en) | 2021-11-29 | 2021-11-29 | Pneumatic clamping jaw with adjustable clamping position |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113997223A (en) |
-
2021
- 2021-11-29 CN CN202111428234.2A patent/CN113997223A/en active Pending
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