CN217412969U - Double-cylinder overlapped driving chuck - Google Patents
Double-cylinder overlapped driving chuck Download PDFInfo
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- CN217412969U CN217412969U CN202221013133.9U CN202221013133U CN217412969U CN 217412969 U CN217412969 U CN 217412969U CN 202221013133 U CN202221013133 U CN 202221013133U CN 217412969 U CN217412969 U CN 217412969U
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Abstract
The utility model relates to a double-cylinder nested driving chuck, which comprises a chuck seat; a pair of front jaws and a pair of rear jaws; the front transmission mechanism drives the two front clamping jaws to perform clamping and loosening motions through the front transmission mechanism; the rear transmission mechanism drives the two rear clamping claws to do radial clamping and loosening motion through the rear transmission mechanism; a front push rod and a rear push rod; and the driving device is suitable for driving the two push rods to synchronously move back and forth so as to drive the clamping opening to perform clamping and loosening motion. The two pairs of front clamping jaws and rear clamping jaws can be driven by the two synchronously moving overlapped push rods, and the clamping mechanism is simple, stable and reliable, ensures the clamping force, and has the characteristics of large clamping range and strong capability of adapting to complex profiles.
Description
Technical Field
The utility model relates to a double-cylinder stack sleeve type driving chuck.
Background
With the increasing use of laser cutting, the invention develops various applications such as profile cutting, mechanical parts, body-building equipment and medical equipment cutting by only using a single flat plate for cutting originally, the profile laser cutting feed chuck is used in combination with a profile laser cutting support chuck to finish the cutting processing of various profiles, can cover the cutting of all steel and nonferrous metal profiles, improves the cutting precision of metal profiles, improves the cutting efficiency to the maximum extent, and reduces the manufacturing cost at the same time.
The existing profile cutting technology in China has low precision, poor adaptability to heavy-duty pipes, special-shaped pipes and thin-wall pipes, low clamping speed and low efficiency; and expensive if import machines are used.
The existing section cutting and feeding chuck in the market is generally long in clamping jaw, small in clamping force and easy to clamp a sliding block; still be that the structure is complicated, dustproof construction is poor, and lubricated effect is difficult to last, and the consequence is that clamping-force is little equally, and the slide rail card is dunked.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: overcome prior art's not enough, provide a double-cylinder and fold shell type drive chuck, solve section bar cutting pay-off chuck and exist the problem that the structure is complicated, clamping-force is little, the easy card of slider is dunked.
The utility model provides a technical scheme that its technical problem adopted is:
provides a double-cylinder overlapped driving chuck, which comprises
A chuck base;
the pair of front clamping jaws and the pair of rear clamping jaws are arranged on the front end face of the chuck base in a radial moving mode, and rectangular clamping openings are formed between the two front clamping jaws and the two rear clamping jaws;
the front end of the front transmission mechanism is connected with the two front clamping jaws, and the rear end of the front transmission mechanism is connected with the front push rod; the front push rod moves back and forth, and the two front clamping jaws are driven to do clamping and loosening motion through the front transmission mechanism;
the front end of the rear transmission mechanism is connected with the two rear clamping jaws, and the rear end of the rear transmission mechanism is connected with a rear push rod; the rear push rod moves back and forth, and the two rear clamping jaws are driven by the rear transmission mechanism to perform radial clamping and loosening motion;
the front push rod penetrates through the rear push rod, and the rear ends of the front push rod and the rear push rod are connected with a driving device;
and the driving device is respectively connected with the front push rod and the rear push rod and is suitable for driving the two push rods to synchronously move back and forth so as to drive the clamping opening to perform clamping and loosening motion.
Further, the front transmission mechanism comprises
The two ends of the front push plate are respectively connected with the front hinges, and the middle part of the front push plate is fixedly connected with the front end of the front push rod;
the pair of front hinges are respectively arranged at two ends of the front push plate, the rear end of each front hinge is rotationally connected with the front push plate, and the front end of each front hinge is rotationally connected with the front lever;
the pair of L-shaped front levers are respectively and rotatably connected to the radial two sides of the chuck seat, the rear ends of the front levers are rotatably connected with the front hinges, and the front ends of the front levers are rotatably connected with the front clamping jaws;
the front push rod drives the front push plate to move back and forth, and the front push rod drives the two front clamping jaws to perform clamping and loosening motion through the front hinge and the front lever respectively.
Further, the rear transmission mechanism comprises
The two ends of the rear push plate are respectively connected with the front hinges, and the middle part of the rear push plate is fixedly connected with the front end of the rear push rod;
the pair of rear hinges are respectively arranged at two ends of the rear push plate, the rear end of each rear hinge is rotationally connected with the rear push plate, and the front end of each rear hinge is rotationally connected with the rear lever;
the pair of L-shaped rear levers are respectively and rotatably connected to the radial two sides of the chuck seat, the rear ends of the rear levers are rotatably connected with the rear hinges, and the front ends of the rear levers are rotatably connected with the rear clamping jaws;
the rear push rod drives the rear push plate to move back and forth, and the two rear clamping jaws are driven to do clamping and loosening motion through the rear hinge and the rear lever respectively.
Further, the driving device comprises
The cylinder body is internally provided with a partition so as to divide an inner cavity of the cylinder body into a front cavity and a rear cavity;
the rear end of the front push rod penetrates out of the cylinder body, a front piston is arranged on the front push rod and is positioned in the rear cavity, and the rear cavity is divided into a rear air inlet cavity and a rear air outlet cavity by the front piston;
the rear end of the rear push rod penetrates into the front cavity of the cylinder body, a rear piston is arranged on the rear push rod and is positioned in the front cavity, and the front cavity is divided into a front air inlet cavity and a front air outlet cavity by the rear piston;
the air inlet channel is arranged in the front push rod, the air inlet end of the air inlet channel is arranged at the rear end of the front push rod, and the air outlet end of the air inlet channel is communicated with the rear air inlet cavity;
the air outlet channel is arranged in the front push rod, the air outlet end of the air outlet channel is arranged at the rear end of the front push rod, and the air inlet end of the air outlet channel is communicated with the rear air outlet cavity;
the air inlet communicating pore passage is arranged in the cylinder body and communicated with the rear air inlet cavity and the front air inlet cavity;
the air outlet communicating pore passage is arranged in the cylinder body and is communicated with the rear air outlet cavity and the front air outlet cavity;
high-pressure gas is input into the rear gas cavity and the front gas cavity from the gas inlet channel to push the front push rod and the rear push rod to move forwards so as to drive the clamping opening to clamp;
high-pressure gas is input into the rear gas outlet cavity and the gas outlet and inlet cavity from the gas outlet channel so as to push the front push rod and the rear push rod to move backwards and drive the clamping opening to be loosened.
Further, a connecting sleeve is arranged between the cylinder body and the chuck seat;
the front end of the connecting sleeve is connected with the chuck seat, and the rear end of the connecting sleeve is fixedly connected with the cylinder body.
Further, the chuck base comprises
The front end of the sliding seat is provided with a front clamping jaw and a rear clamping jaw, and the rear end of the sliding seat is provided with four rod holes for the lever to pass through;
and the lever seat is arranged at the rear end of the sliding seat, and the two front levers and the two rear levers are rotatably arranged on the lever seat.
Further, preceding jack catch and back jack catch and the mounting structure between the slide are:
a radial sliding groove is formed in the front end face of the sliding seat, a sliding block is arranged in the sliding groove, and the sliding block is fixedly connected with the front clamping jaw or the rear clamping jaw;
the four sealing blocks are respectively arranged between the adjacent front clamping jaws and the adjacent rear clamping jaws and are fixedly connected with the front end surface of the sliding seat;
and the four dustproof covers are respectively arranged at the outer side end edges of the four sliding blocks so as to prevent dust from entering the sliding groove.
Further, also comprises
The bracket is provided with a mounting hole;
a cylinder body of the driving device is arranged in the mounting hole, and a bearing is arranged between the cylinder body and the mounting hole;
the driven gear is fixedly arranged at the rear end of the cylinder body;
the speed reducing motor is fixedly arranged and is connected with a driving gear, and the driving gear is meshed with a driven gear;
the speed reduction motor drives the driving device and the chuck seat to rotate through the driving gear.
The utility model has the advantages that:
the utility model discloses a double-cylinder folds shell type drive chuck, through two synchronous movement's fold cover formula push rod, can drive two pairs of front jack catchs and back jack catch, fixture is simple reliable and stable, and the clamping-force is guaranteed, and the clamping scope reaches the strong characteristics of ability of adaptation complicated section bar greatly.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
FIG. 1 is a perspective view of a double cylinder nested drive chuck;
FIG. 2 is a schematic view of a dual cylinder sleeve drive chuck (without a carrier);
FIG. 3 is a schematic view of a double cylinder nested drive chuck (without the support and cylinder block);
FIG. 4 is a half-sectional view of a double cylinder nested drive chuck;
FIG. 5 is a schematic view of a chuck base;
FIG. 6 is a view showing a connection structure of a front push rod, a front push plate, a front hinge, and a front lever;
FIG. 7 is a connection structure view of a rear push rod, a rear push plate, a rear hinge, and a rear lever;
FIG. 8 is a half sectional view of the front push rod;
FIGS. 9 and 10 are half sectional views of the housing;
FIG. 11 is a view showing a coupling structure between the front lever and the slider;
wherein the content of the first and second substances,
2. chuck seat, 21, slide seat, 22, lever seat, 23, slide block;
3. the front push rod 31, the front piston 32, the front push plate 33, the front hinge 34, the front lever 35 and the front claw;
4. a rear push rod 41, a rear piston 42, a rear push plate 43, a rear hinge 44, a rear lever 45 and a rear claw;
51. an air inlet channel 52, an air outlet channel 53, an air inlet communicating pore channel 54 and an air outlet communicating pore channel;
6. a bracket 61, a driven gear 62 and a driving gear;
71. sealing block, 72, dust cap.
8. Cylinder 81, shell 811, partition 82, front end cover 83, rear end cover;
9. and connecting the sleeve.
Detailed Description
The invention will now be further described with reference to the accompanying drawings. The drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1 to 10, a double cylinder stack type driving chuck includes
A chuck base 2;
the pair of front clamping jaws 35 and the pair of rear clamping jaws 45 are arranged on the front end face of the chuck base 2 in a radial moving mode, and rectangular clamping openings are formed between the two front clamping jaws 35 and the two rear clamping jaws 45;
the front end of the front transmission mechanism is connected with the two front clamping jaws 35, and the rear end of the front transmission mechanism is connected with the front push rod 3; the front push rod 3 moves back and forth, and the front transmission mechanism drives the two front clamping jaws 35 to perform clamping and loosening motion;
the front end of the rear transmission mechanism is connected with the two rear claws 45, and the rear end of the rear transmission mechanism is connected with the rear push rod 4; the rear push rod 4 moves back and forth, and the two rear clamping claws 45 are driven by the rear transmission mechanism to do radial clamping and loosening motion;
the front push rod 3 penetrates through the rear push rod 4, and the rear ends of the front push rod 3 and the rear push rod 4 are both connected with a driving device;
and the driving device is respectively connected with the front push rod 3 and the rear push rod 4 and is suitable for driving the two push rods to synchronously move back and forth so as to drive the clamping opening to do clamping and loosening motion.
Specifically, as an alternative implementation manner in this embodiment, as shown in fig. 2 and fig. 6, the front transmission mechanism includes
The two ends of the front push plate 32 are respectively connected with a front hinge 33, and the middle part of the front push plate is fixedly connected with the front end of the front push rod 3;
a pair of front hinges 33 respectively provided at both ends of the front push plate 32, and having rear ends rotatably connected to the front push plate 32 and front ends rotatably connected to the front lever 34;
the pair of L-shaped front levers 34 are respectively and rotatably connected to the two radial sides of the chuck base 2, the rear ends of the front levers 34 are rotatably connected with the front hinges 33, and the front ends of the front levers are rotatably connected with the front clamping jaws 35;
the front push rod 3 drives the front push plate 32 to move back and forth, and drives the two front claws 35 to move for clamping and loosening through the front hinge 33 and the front lever 34 respectively.
In this embodiment, two ends of the front hinge 33 are respectively connected with the front lever 34 and the front push plate 32 by a pin.
The working principle of the front transmission mechanism is as follows: the front push rod 3 moves in the front-back direction to drive the front push plate 32 to move back and forth, the front push plate 32 drives the two L-shaped front levers 34 to rotate through the front hinges 33 at the two ends, the front levers 34 rotate to drive the two front clamping jaws 35 to move radially on the front end face of the chuck base 2, and therefore the front clamping jaws 35 can clamp and loosen.
Specifically, as an alternative implementation manner in this embodiment, as shown in fig. 2 and 7, the rear transmission mechanism includes
The two ends of the rear push plate 42 are respectively connected with the front hinges 33, and the middle part of the rear push plate is fixedly connected with the front end of the rear push rod 4;
a pair of rear hinges 43 respectively provided at both ends of the rear push plate 42, and having rear ends rotatably connected to the rear push plate 42 and front ends rotatably connected to the rear lever 44;
the pair of L-shaped rear levers 44 are respectively and rotatably connected to the two radial sides of the chuck base 2, the rear ends of the rear levers 44 are rotatably connected with the rear hinges 43, and the front ends of the rear levers are rotatably connected with the rear clamping jaws 45;
the rear push rod 4 drives the rear push plate 42 to move back and forth, and drives the two rear claws 45 to move in a clamping and loosening manner through the rear hinge 43 and the rear lever 44 respectively.
In this embodiment, two ends of the rear hinge 43 are rotatably connected to the front lever 34 and the front push plate 32 by pins, respectively.
The working principle of the rear transmission mechanism is as follows: the rear push rod 4 moves in the front-back direction to drive the rear push plate 42 to move back and forth, the rear push plate 42 drives the two rear levers 44 to rotate through the rear hinges 43 at the two ends, the rear levers 44 rotate to drive the two rear clamping jaws 45 to move radially on the front end face of the chuck base 2, and clamping and loosening of the rear clamping jaws 45 are achieved.
In this embodiment, the front push plate 32 and the rear push plate 42 are in a crisscross configuration.
Specifically, as an alternative implementation manner in this embodiment, as shown in fig. 2 to 10, the driving device includes
The cylinder body 8 is internally provided with a partition 811 so as to divide the inner cavity of the cylinder body 8 into a front cavity and a rear cavity;
the rear end of the front push rod 3 penetrates out of the cylinder body 8, a front piston 31 is arranged on the front push rod 3, the front piston 31 is positioned in the rear cavity, and the rear cavity is divided into a rear air inlet cavity and a rear air outlet cavity by the front piston 31;
the rear end of the rear push rod 4 penetrates into the front cavity of the cylinder body 8, a rear piston 41 is arranged on the rear push rod 4, the rear piston 41 is positioned in the front cavity, and the front cavity is divided into a front air inlet cavity and a front air outlet cavity by the rear piston 41;
as shown in fig. 8, the air inlet channel 51 is opened in the front push rod 3, the air inlet end thereof is opened at the rear end of the front push rod 3, and the air outlet end thereof is communicated with the rear air cavity;
as shown in fig. 8, the air outlet channel 52 is opened in the front push rod 3, and the air outlet end thereof is opened at the rear end of the front push rod 3, and the air inlet end thereof is communicated with the rear air outlet cavity;
as shown in fig. 10, the intake communicating duct 53 is opened in the cylinder block 8 and communicates the rear intake chamber and the front intake chamber;
as shown in fig. 9, an air outlet communicating pore passage 54 is provided in the cylinder body 8 and communicates the rear air outlet cavity and the front air outlet cavity;
in the present embodiment, the cylinder block 8 includes a housing 81, a front end cover 82, and a rear end cover 83 in the middle; the front end cover 82 and the rear end cover 83 are respectively and fixedly arranged at two ends of the shell 81 in a sealing way, a partition 811 is arranged in the shell 81, a front cavity is formed between the partition 811 and the front end cover 82, and a rear cavity is formed between the partition 811 and the rear end cover 83.
In this embodiment, the front push rod 3 passes through the front cover 82, the partition 811, and the rear cover 83, and forms a sliding seal fit with the front cover 82, the partition 811, and the rear cover 83.
In this embodiment, the rear push rod 4 passes through the front end cover 82 and forms a sliding sealing fit with the front end cover 82.
The working principle of the driving device is as follows: high-pressure gas is input into the rear gas inlet cavity and the front gas inlet cavity from the gas inlet channel 51 to push the front push rod 3 and the rear push rod 4 to move forwards so as to drive the clamping opening to clamp;
high-pressure gas is input into the rear gas outlet cavity and the gas outlet cavity from the gas outlet channel 52 to push the front push rod 3 and the rear push rod 4 to move backwards so as to drive the clamping opening to be loosened.
Specifically, as an optional implementation manner in this embodiment, as shown in fig. 1, a connecting sleeve 9 is disposed between the cylinder 8 and the chuck base 2;
the front end of the connecting sleeve 9 is connected with the chuck base 2, and the rear end of the connecting sleeve 9 is fixedly connected with the cylinder body 8.
The front lever, the rear lever, the front push plate and the rear push plate are prevented from being exposed outside through the connecting sleeve 9, and a good protection effect is achieved.
Specifically, as an alternative implementation manner in this embodiment, as shown in fig. 5, the chuck base 2 includes
The front end of the sliding seat 21 is provided with a front clamping jaw 35 and a rear clamping jaw 45, and the rear end of the sliding seat is provided with four rod holes for the lever to pass through;
and the lever seat 22 is installed at the rear end of the sliding seat 21, and the two front levers 34 and the two rear levers 44 are rotatably arranged on the lever seat 22.
In this embodiment, the four levers are firstly installed on the lever seat 22, then the lever seat 22 is fixedly connected with the sliding seat 21, and the two front levers 34 and the two rear levers 44 respectively penetrate through the lever holes of the sliding seat 21, so that the front levers 34 and the rear levers 44 control the four claws at the front end to make clamping and releasing movements.
Specifically, as an alternative embodiment in this embodiment, as shown in fig. 1 and fig. 2, the mounting structures between the front jaw 35 and the rear jaw 45 and the sliding base 21 are:
a radial sliding groove is formed in the front end face of the sliding seat 21, a sliding block 23 is arranged in the sliding groove, and the sliding block 23 is fixedly connected with the front clamping jaw 35 or the rear clamping jaw 45;
the four sealing blocks 71 are respectively arranged between the adjacent front clamping jaws 35 and the adjacent rear clamping jaws 45, and the sealing blocks 71 are fixedly connected with the front end face of the sliding seat 21;
and the four dustproof covers are respectively arranged at the outer side end edges of the four sliding blocks 23 so as to prevent dust from entering the sliding groove.
In this embodiment, the sealing of the four sealing blocks 71 and the dust cap can prevent impurities from entering the chute from the gap between the adjacent front jaw 35 and rear jaw 45.
As shown in fig. 11, in the connection structure between the front lever 34 and the slider 23, a buckle hole is formed in the slider 23, the front end of the front lever 34 is inserted into the slider 23, and the size of the buckle hole is larger than that of the front lever 34, so that during the first rotation of the front lever 34, a certain angle adjustment space is formed in the buckle hole at the front end of the front lever 34, and the slider 23 can move radially in the sliding chute. The connection structure of the rear lever 44 and the slider 23 is the same.
Specifically, as an optional implementation manner in this embodiment, as shown in fig. 1 to 4, the present invention further includes a bracket 6, and a mounting hole is formed in the bracket 6;
a cylinder body 8 of the driving device is arranged in the mounting hole, and a bearing is arranged between the cylinder body 8 and the mounting hole;
a driven gear 61 fixedly provided at the rear end of the cylinder 8;
the speed reducing motor is fixedly arranged and connected with a driving gear 62, and the driving gear 62 is meshed with the driven gear 61;
the speed reduction motor drives the driving device and the chuck base 2 to rotate through the driving gear 62.
In this embodiment, the driving device needs to be rotationally arranged, so the air inlet channel 51 and the air outlet channel 52 of the front push rod 3 are respectively connected with the air inlet pipe and the air outlet pipe, the air inlet pipe and the air outlet pipe are connected with the rotary joint together, and the rotary joint adopts a dual-channel rotary joint, so that the external high-pressure gas can supply air to the rotating front push rod 3 through the rotary joint.
In this embodiment, the front and rear positions between the front push rod 3 and the rear push rod 4 are fixed, and the lengths of the front push rod 3 and the rear push rod 4 are controlled by the control precision in the machining process, so that the four clamping jaws can clamp the section bar after the front push rod 3 and the rear push rod 4 move forwards.
The utility model discloses double-cylinder overlaps cover formula drive chuck theory of operation:
compressed gas enters a rear air inlet cavity and a front air inlet cavity from the air inlet channel 51 of the front push rod 3 through the rotary joint, so that the compressed gas acts on the front piston 31 and the rear piston 41 simultaneously to drive the front push rod 3 and the rear push rod 4 to move forwards (at the moment, the gas in the rear air outlet cavity and the front air outlet cavity is discharged through the air outlet channel 52), and then the two front clamping jaws 35 and the two rear clamping jaws 45 are driven to do clamping movement through respective front transmission mechanisms and rear transmission mechanisms, so that the clamping of the section bar is realized;
compressed gas enters the rear gas outlet cavity and the front gas outlet cavity from the gas outlet channel 52 to drive the front push rod 3 and the rear push rod 4 to move backwards (at the moment, gas in the rear gas outlet cavity and gas in the front gas outlet cavity are discharged through the gas inlet channel 51), and then the two front clamping jaws 35 and the two rear clamping jaws 45 are driven to do loosening motion through the respective front transmission mechanism and the respective rear transmission mechanism, so that the section bar is loosened.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. A double-cylinder overlapped driving chuck is characterized by comprising
A chuck base;
the pair of front clamping jaws and the pair of rear clamping jaws are arranged on the front end face of the chuck base in a radial moving mode, and rectangular clamping openings are formed between the two front clamping jaws and the two rear clamping jaws;
the front end of the front transmission mechanism is connected with the two front clamping jaws, and the rear end of the front transmission mechanism is connected with the front push rod; the front push rod moves back and forth, and the front transmission mechanism drives the two front clamping jaws to perform clamping and loosening motion;
the front end of the rear transmission mechanism is connected with the two rear clamping jaws, and the rear end of the rear transmission mechanism is connected with a rear push rod; the rear push rod moves back and forth, and the two rear clamping jaws are driven by the rear transmission mechanism to perform radial clamping and loosening motion;
the front push rod penetrates through the rear push rod, and the rear ends of the front push rod and the rear push rod are connected with a driving device;
and the driving device is respectively connected with the front push rod and the rear push rod and is suitable for driving the two push rods to synchronously move back and forth so as to drive the clamping opening to perform clamping and loosening motion.
2. The double-cylinder nested drive chuck of claim 1, wherein,
the front transmission mechanism comprises
The two ends of the front push plate are respectively connected with the front hinges, and the middle part of the front push plate is fixedly connected with the front end of the front push rod;
the pair of front hinges are respectively arranged at two ends of the front push plate, the rear end of each front hinge is rotationally connected with the front push plate, and the front end of each front hinge is rotationally connected with the front lever;
the pair of L-shaped front levers are respectively and rotatably connected to two radial sides of the chuck seat, the rear ends of the front levers are rotatably connected with the front hinges, and the front ends of the front levers are rotatably connected with the front clamping jaws;
the front push rod drives the front push plate to move back and forth, and the front push rod drives the two front clamping jaws to perform clamping and loosening motion through the front hinge and the front lever respectively.
3. The double cylinder telescopic drive chuck as claimed in claim 1 or 2,
the rear transmission mechanism comprises
The two ends of the rear push plate are respectively connected with the front hinges, and the middle part of the rear push plate is fixedly connected with the front end of the rear push rod;
the pair of rear hinges are respectively arranged at two ends of the rear push plate, the rear end of each rear hinge is rotationally connected with the rear push plate, and the front end of each rear hinge is rotationally connected with the rear lever;
the pair of L-shaped rear levers are respectively and rotatably connected to the radial two sides of the chuck seat, the rear ends of the rear levers are rotatably connected with the rear hinges, and the front ends of the rear levers are rotatably connected with the rear clamping jaws;
the rear push rod drives the rear push plate to move back and forth, and the two rear clamping jaws are driven to do clamping and loosening motion through the rear hinge and the rear lever respectively.
4. The double-cylinder nested drive chuck of claim 1, wherein,
the driving device comprises
The cylinder body is internally provided with a partition so as to divide an inner cavity of the cylinder body into a front cavity and a rear cavity;
the rear end of the front push rod penetrates out of the cylinder body, a front piston is arranged on the front push rod and is positioned in the rear cavity, and the rear cavity is divided into a rear air inlet cavity and a rear air outlet cavity by the front piston;
the rear end of the rear push rod penetrates into the front cavity of the cylinder body, a rear piston is arranged on the rear push rod and is positioned in the front cavity, and the front cavity is divided into a front air inlet cavity and a front air outlet cavity by the rear piston;
the air inlet channel is arranged in the front push rod, the air inlet end of the air inlet channel is arranged at the rear end of the front push rod, and the air outlet end of the air inlet channel is communicated with the rear air inlet cavity;
the air outlet channel is arranged in the front push rod, the air outlet end of the air outlet channel is arranged at the rear end of the front push rod, and the air inlet end of the air outlet channel is communicated with the rear air outlet cavity;
the air inlet communicating pore passage is arranged in the cylinder body and communicated with the rear air inlet cavity and the front air inlet cavity;
the air outlet communicating pore passage is arranged in the cylinder body and is communicated with the rear air outlet cavity and the front air outlet cavity;
high-pressure gas is input into the rear gas cavity and the front gas cavity from the gas inlet channel to push the front push rod and the rear push rod to move forwards so as to drive the clamping opening to clamp;
high-pressure gas is input into the rear gas outlet cavity and the gas outlet and inlet cavity from the gas outlet channel so as to push the front push rod and the rear push rod to move backwards and drive the clamping opening to be loosened.
5. The double-cylinder nested drive chuck of claim 4, wherein,
a connecting sleeve is arranged between the cylinder body and the chuck seat;
the front end of the connecting sleeve is connected with the chuck seat, and the rear end of the connecting sleeve is fixedly connected with the cylinder body.
6. The double-cylinder nested drive chuck of claim 1, wherein,
the chuck seat comprises
The front end of the sliding seat is provided with a front clamping jaw and a rear clamping jaw, and the rear end of the sliding seat is provided with four rod holes for the lever to pass through;
and the lever seat is arranged at the rear end of the sliding seat, and the two front levers and the two rear levers are rotatably arranged on the lever seat.
7. The double-cylinder nested drive chuck of claim 6, wherein,
preceding jack catch and back jack catch and slide between the mounting structure be:
a radial sliding groove is formed in the front end face of the sliding seat, a sliding block is arranged in the sliding groove, and the sliding block is fixedly connected with the front clamping jaw or the rear clamping jaw;
the four sealing blocks are respectively arranged between the adjacent front clamping jaws and the adjacent rear clamping jaws and are fixedly connected with the front end surface of the sliding seat;
and the four dustproof covers are respectively arranged at the outer side end edges of the four sliding blocks so as to prevent dust from entering the sliding groove.
8. The dual cylinder nested drive chuck of claim 1 further comprising
The bracket is provided with a mounting hole;
a cylinder body of the driving device is arranged in the mounting hole, and a bearing is arranged between the cylinder body and the mounting hole;
the driven gear is fixedly arranged at the rear end of the cylinder body;
the speed reducing motor is fixedly arranged and is connected with a driving gear, and the driving gear is meshed with a driven gear;
the speed reduction motor drives the driving device and the chuck seat to rotate through the driving gear.
9. The dual cylinder nested drive chuck of claim 4, wherein the cylinder block includes
The shell, the front end cover and the rear end cover are positioned in the middle;
the front end cover and the rear end cover are respectively fixedly arranged at two ends of the shell in a sealing mode, partitions are arranged in the shell, a front cavity is formed between each partition and the front end cover, and a rear cavity is formed between each partition and the rear end cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221013133.9U CN217412969U (en) | 2022-04-27 | 2022-04-27 | Double-cylinder overlapped driving chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221013133.9U CN217412969U (en) | 2022-04-27 | 2022-04-27 | Double-cylinder overlapped driving chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217412969U true CN217412969U (en) | 2022-09-13 |
Family
ID=83185384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221013133.9U Active CN217412969U (en) | 2022-04-27 | 2022-04-27 | Double-cylinder overlapped driving chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217412969U (en) |
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2022
- 2022-04-27 CN CN202221013133.9U patent/CN217412969U/en active Active
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