CN216000149U

CN216000149U - Clamping device and cylinder-driven pressing mechanism

Info

Publication number: CN216000149U
Application number: CN202120960579.1U
Authority: CN
Inventors: 李敏华
Original assignee: Shenzhen Hongyoujin Diamond Tools Co ltd
Current assignee: Shenzhen Hongyoujin Technology Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2022-03-11
Anticipated expiration: 2031-05-07

Abstract

The utility model discloses a clamping device and a pressing mechanism driven by a cylinder, wherein the clamping device comprises: the supporting part is provided with a supporting part for placing materials; the movable piece is slidably and rotatably matched with the supporting piece and is provided with a clamping part, the clamping part is provided with a first position opposite to the supporting part and a second position adjacent to the supporting part on a moving track, and when the clamping part is positioned at the first position, a clamping space is formed between the clamping part and the supporting part; the driving module comprises a cylinder body and an output shaft, the output shaft is telescopically arranged on the cylinder body, the cylinder body is rotatably arranged on the supporting piece, the rotating axis of the cylinder body is parallel to the rotating axis of the moving piece, and the output shaft is connected with the moving piece to drive the moving piece to move. Utility model technical scheme reduces the friction of piston rod and cylinder head to promote the life of cylinder.

Description

Clamping device and cylinder-driven pressing mechanism

Technical Field

The utility model relates to the technical field of machining, in particular to a clamping device and a pressing mechanism driven by an air cylinder.

Background

In industrial production, the cylinder usually provides power for the clamp, drives the moving part of the clamp to open and close, and thus achieves the purpose of fixing the bar to be processed. However, when the cylinder works, the piston rod moves to a corresponding distance and is guided by the moving part, radial eccentricity is generated between the piston rod and the cylinder body, so that the piston rod and the cylinder cover which penetrates through the piston rod generate serious friction, the cylinder cover is abraded, the sealing performance of the cylinder is affected, and the service life of the cylinder is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a clamping device, aiming at reducing the friction between a piston rod and a cylinder cover so as to prolong the service life of a cylinder.

In order to achieve the above object, the present invention provides a clamping device comprising:

the supporting part is provided with a supporting part for placing materials;

the movable piece is slidably and rotatably matched with the supporting piece and is provided with a clamping part, the clamping part is provided with a first position opposite to the supporting part and a second position adjacent to the supporting part on a moving track, and when the clamping part is positioned at the first position, a clamping space is formed between the clamping part and the supporting part;

the driving module comprises a cylinder body and an output shaft, the output shaft is telescopically arranged on the cylinder body, the cylinder body is rotatably arranged on the supporting piece, the rotating axis of the cylinder body is parallel to the rotating axis of the moving piece, and the output shaft is connected with the moving piece to drive the moving piece to move.

Optionally, the clamping device further comprises a rotating shaft, one end of the rotating shaft is connected to the supporting member, and the other end of the rotating shaft is rotatably connected with the cylinder body.

Optionally, the clamping device further comprises an adapter, the adapter is rotatably matched with the rotating shaft, and the cylinder body is fixed on the adapter.

Optionally, the supporting member is provided with a fixing hole, and the rotating shaft is fixedly matched with the fixing hole.

Optionally, the cylinder body is detachably connected with the adaptor.

Optionally, the adaptor has been seted up the shaft hole, the shaft hole runs through the adaptor keeps away from the one side of support piece, the axis of rotation is worn out the shaft hole, the protruding spacing boss that is equipped with of perisporium that the end was worn out to the axis of rotation, the outer peripheral edges of spacing boss protrusion in the outer peripheral edges of shaft hole for spacing butt the adaptor.

Optionally, the clamping device further comprises an anti-friction pad, the anti-friction pad being disposed between the adaptor and the support.

Optionally, the antifriction pad is annularly arranged and sleeved on the rotating shaft.

Optionally, the supporting portion is located at the top of the supporting member, and the supporting portion is provided with a mounting groove.

In order to achieve the above object, the present invention further provides a pressing mechanism driven by an air cylinder, wherein the pressing mechanism driven by the air cylinder comprises a base and the above clamping device, the base is provided with a plane adjusting device, and the clamping device is mounted on the plane adjusting device.

According to the clamping device, the bulges are arranged on the two sides of the supporting part, the mounting groove is formed in the top of the supporting part, the moving part is arranged on one side surface of the supporting part with the mounting groove, meanwhile, the guide grooves matched with the bulges are formed in the two sides of the moving part, and the bulges are arranged in the guide grooves, so that the moving part can only be installed with the track of the guide grooves to move. Secondly, keep away from mounting groove one side with the rotatable setting of cylinder body at support piece, output shaft one end sets up in the cylinder body, and the other end is established on the moving part, and the output shaft rotates with the moving part to be connected for the moving part is when following the guiding groove motion, when the activity orbit of guiding groove guide moving part changes, because the cylinder body is connected for rotating with support piece, makes the cylinder body can in time adjust the power take off angle, thereby has avoided the friction of output shaft with the cylinder cap, thereby promotes drive module's life-span of using.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic view of an assembly structure of an embodiment of the clamping device of the present invention;

FIG. 2 is an exploded view of an embodiment of the clamping device of the present invention;

fig. 3 is a schematic view of an assembly structure of an embodiment of the air cylinder driven pressing mechanism of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)	Reference numerals	Name (R)
						1	Support piece	21	Clamping part	331	Spacing boss
11	Supporting part	3	Drive module	34	Adapter
						111	Mounting groove	31	Cylinder body	35	Anti-friction pad
12	Fixing hole	32	Output shaft	4	Plane adjusting device
						2	Movable part	33	Rotating shaft

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a clamping device.

In an embodiment of the present invention, as shown in the drawings, the holding device includes:

the supporting part 1 is provided with a supporting part 11 for placing materials;

the movable piece 2 is slidably and rotatably matched with the support piece 1, the movable piece 2 is provided with a clamping part 21, the clamping part 21 is provided with a first position opposite to the support part 11 and a second position adjacent to the support part 11 on a movable track, and when the clamping part 21 is positioned at the first position, a clamping space is formed between the clamping part 21 and the support part 11;

the driving module 3 comprises a cylinder 31 and an output shaft 32, the output shaft 32 is telescopically mounted on the cylinder 31, the cylinder 31 is rotatably mounted on the supporting member 1, a rotation axis 33 of the cylinder 31 is parallel to a rotation axis 33 of the movable member 2, and the output shaft 32 is connected with the movable member 2 to drive the movable member 2 to move.

In this embodiment, the type of the supporting portion 11 may be the mounting groove 111 or the limiting boss 331, which can fix the material. For example, when the supporting part 11 is the mounting groove 111, the supporting part 11 is arranged at the top of the supporting part 1, so that the material is placed in the mounting groove 111 for fixing, and the material is prevented from moving to cause unstable fixing position when the material is fixed. In order to move the movable member 2 according to a set track, the supporting portion 11 is provided with a protrusion, the protrusion comprises a first protrusion and a second protrusion, the shape of the first protrusion can be a cylinder or a cuboid and the like, the first protrusion only needs to be used for limiting the movement of the movable member, and meanwhile, the first protrusion is arranged on two side faces of the support body. The second bulge can be in the shape of a cylinder or a rectangular body and only can be used for limiting movement. The second protrusion is disposed on the two sides of the supporting portion 11 having the first protrusion and faces away from the first protrusion toward the mounting groove 111.

The whole shape of moving part 2 is the setting of U type, and moving part 2 setting that is the setting of U type has mounting groove 111 one side at support piece 1, and moving part 2 establishes and has the interval between support piece 1 back both sides and support piece 1, so, avoids both sides and the laminating of support piece 1, causes the frictional force of increase support piece 1 and moving part 2 for moving part 2 is difficult to move or unable motion. The 2 both sides of moving part set up the guiding groove, and the guiding groove includes that moving part 2 sets up at the first protruding groove and the bellied bending groove of second of support piece 1 back position adaptation and guide way, and the groove of bending is including being the indent that the V type set up and stretching out the groove, and the whole shape in flexible groove can be for all can such as fillet cuboid or cuboid, does not do specific restriction here. The flexible groove sets up in moving part 2's both sides, and flexible groove extending direction is the contained angle setting with mounting groove 111 tank deck (and flexible groove is close mounting groove 111 one end and extends towards 1 top orientation of support piece promptly, keeps away from mounting groove 111 one end and extends towards 1 bottom orientation of support piece), flexible groove and extending direction with the mounting groove 111 roof formed contained angle can be between 5 to 90 to flexible groove guide motion piece stretches out towards mounting groove 111 orientation. The overall shape of the indent can be round-angle cuboid or cuboid, etc., and is not limited herein, and the indent is disposed on the two sides of the moving part facing the supporting part 11. The extending direction of indent is parallel with mounting groove 111 top, and the indent connects mounting groove 111 one end and keeps away from mounting groove 111 one end with flexible groove to be connected, so, first arch can be followed the groove track that bends and is moved to compress tightly the material that sets up at mounting groove 111.

The whole of guide way can present rectangle or rounded rectangle, does not do specific restriction here, can realize that the guide second is protruding according to predetermineeing the orbit motion in the guide way can, the extending direction and the 111 top surfaces of mounting groove of guide way are the contained angle setting, and the guide way is close mounting groove 111 one end promptly and extends towards supporting seat top direction, keeps away from mounting groove 111 one end and extends towards supporting seat bottom direction, and simultaneously, the contained angle that the guide way becomes is less than the contained angle that the expansion groove becomes. So, when the protruding first protruding guide moving part 2 of cooperation of second moved on support piece 1, moving part 2 was the contained angle motion to thereby moving part 2 compresses tightly the material that sets up at mounting groove 111 and reaches fixed purpose.

One side of the moving part 2 close to the mounting groove 111 is provided with a clamping part 21, the shape of the clamping part 21 is not particularly limited, and the purpose of compressing the material arranged in the mounting groove 111 can be achieved. Clamping part 21 has first position and second position after moving on moving part 2, and the first position is clamping part 21 compresses tightly the material department of treating the processing, and the motion piece that is equipped with the bending groove promptly under first bellied guide, and first arch is in the bending groove and is close mounting groove 111 one end department to and the second arch is in the guide way of motion piece and is close mounting groove 111 one end. The second position is that clamping part 21 loosens the material of treating processing and pushes away clamping part 21 mounting groove 111 top, and the motion piece that is equipped with the bending groove promptly is under first bellied guide, and first arch is in the bending groove and keeps away from mounting groove 111 one end department to and the second arch is in the guide way of motion piece and keeps away from mounting groove 111 one end. In this way, the clamping portion 21 can be clamped and released in the first and second positions.

The cylinder 31 is preferably square, the cylinder 31 is provided with a first air port and a second air port, both the first air port and the second air port can admit air and discharge air, the first air port and the second air port are respectively arranged at two ends of the cylinder 31, and meanwhile, the first air port and the second air port are respectively connected with an air pressure system. The cylinder 31 has a circular cavity inside, the output shaft 32 is disposed in the cavity, the output shaft 32 disposed in the cylinder 31 has a piston, and one of the first and second air ports is used for air intake while the other is used for air exhaust, so that the piston can be pushed to drive the output shaft 32 to move. The side of the output shaft 32 far from the cylinder 31 is rotatably connected with the end of the movable element 2 far from the mounting groove 111, so that the output shaft 32 can change the power direction of the pushing when the movable element 2 moves along the guide groove and the bending groove track. In order to keep the cylinder 31 concentric with the output shaft 32 when the moving track of the moving member changes, the cylinder 31 may be directly and rotatably connected to the supporting member 1, and the cylinder 31 may also be indirectly connected to the cylinder 31, and the cylinder 31 may be relatively and rotatably connected to the supporting member 1, for example, when the cylinder 31 is directly connected to the supporting member 1, the fixed shaft is fixedly connected to the supporting member 1 by being provided at one side of the supporting member 1, and the fixed shaft is rotatably connected to the cylinder 31. Therefore, the cylinder body 31 can timely adjust the power output angle when the motion trail of the moving part changes, so that the friction between the output shaft 32 and the cylinder cover is avoided, and the service life of the driving module 3 is prolonged.

According to the clamping device, the bulges are arranged on the two sides of the supporting part 11, the mounting groove 111 is arranged at the top of the supporting part 11, the moving part 2 is arranged on one side surface of the supporting part 1 with the mounting groove 111, meanwhile, the guide grooves matched with the bulges are arranged on the two sides of the moving part 2, and the bulges are arranged in the guide grooves, so that the moving part 2 can only be installed with the track of the guide grooves to move. Secondly, the cylinder body 31 is rotatably arranged on one side of the support member 1 far away from the mounting groove 111, one end of the output shaft 32 is arranged in the cylinder body 31, the other end of the output shaft is arranged on the movable member 2, the output shaft 32 is rotatably connected with the movable member 2, when the movable member 2 moves along the guide groove, the movable track of the guide groove for guiding the movable member 2 changes, because the cylinder body 31 is rotatably connected with the support member 1, the cylinder body 31 can timely adjust the power output angle, friction between the output shaft 32 and the cylinder cover is avoided, and the service life of the drive module 3 is prolonged.

Specifically, as shown in the figures, the clamping device further comprises a rotating shaft 33, one end of the rotating shaft 33 is connected to the supporting member 1, and the other end of the rotating shaft 33 is rotatably connected to the cylinder 31. The clamping device further comprises an adapter 34, the adapter 34 is in rotatable fit with the rotating shaft 33, and the cylinder body 31 is fixed on the adapter 34. The supporting member 1 is provided with a fixing hole 12, and the rotating shaft 33 is fixedly matched with the fixing hole 12. The cylinder 31 is detachably connected to the adaptor 34.

The shape of the rotating shaft 33 may be a cylinder, a polygonal body, or the like, and is not particularly limited herein, and may be a carrier for rotating the cylinder 31. One end of the rotating shaft 33 is arranged on the supporting member 1, the rotating shaft 33 can be rotatably connected with the supporting member 1 or fixedly connected with the supporting member, and the adaptor 34 can rotate on the rotating shaft 33 relative to the supporting member 1 after the arrangement is completed. For example, the support 1 and the rotation shaft 33 are fixedly connected, and the rotation shaft 33 is disposed on one side of the support 1. The rotating shaft 33 and the supporting member 1 may be fixedly connected by welding to one side of the supporting member 1, or may be connected by the fixing hole 12, and the adaptor 34 may be fixed to one side of the supporting member 1, for example, the supporting member 1 and the rotating shaft 33 are connected by the fixing hole 12, and the rotating shaft 33 is partially disposed in the fixing hole 12, so that the connection between the rotating shaft 33 and the supporting member 1 is more stable and reliable. The shape of the adaptor 34 may be a cube, a cuboid, a cylinder, or the like, which can be used as a supporting medium, and is not particularly limited herein. The adapter 34 may be connected to the rotation shaft 33 in a rotatable or fixed manner, for example, the adapter 34 may be connected to the adapter 34 in a rotatable manner, so that the adapter 34 can rotate relative to the support 1. The cylinder 31 is provided on the adapter 34 side in a detachable or fixed manner, and the cylinder 31 and the adapter 34 can be connected to each other. Thus, when the moving track of the moving element 2 changes, the adaptor 34 can follow the power output end of the adjusting cylinder 31, thereby achieving the purpose of coaxiality of the cylinder 31 and the output shaft 32.

Specifically, as shown in the figures, the cylinder 31 is detachably connected to the adaptor 34. The shaft hole has been seted up to adaptor 34, the shaft hole runs through adaptor 34 keeps away from the one side of support piece 1, axis of rotation 33 is worn out the shaft hole, the protruding spacing boss 331 that is equipped with of perisporium that the end was worn out to axis of rotation 33, the outer peripheral edges protrusion in the outer peripheral edges in shaft hole of spacing boss 331 for spacing butt adaptor 34. The clamping device further comprises an anti-friction pad 35, wherein the anti-friction pad 35 is arranged between the adaptor 34 and the support member 1. The antifriction pad 35 is disposed in a ring shape and sleeved on the rotating shaft 33.

The cylinder body 31 can be connected with the adapter 34 by a snap fit, a magnetic assembly or a connecting piece, for example, the connection mode between the cylinder body 31 and the adapter 34 is a connecting piece, a first mounting hole penetrating through the cylinder body is formed in one side of the adapter 34, the number of the first mounting holes can be multiple, the cylinder body 31 is provided with second mounting holes, the number of the second mounting holes is the same as that of the first mounting holes, the positions of the first mounting holes correspond to that of the second mounting holes, and therefore the connecting piece can penetrate through the first mounting holes to be connected with the second mounting holes, and the purpose of fixing is achieved.

Adapter 34 deviates from support piece 1 one side and is equipped with the shaft hole that runs through adapter 34 body, and adapter 34 hole can be equivalent to adapter 34 size, also can be greater than the outer wall that rotates the piece when needs are established and rotate, does not do specific restriction here, can be with adapter 34 installation set requirements fixed can. The adaptor 34 is kept away from support piece 1 one end and is established the perisporium and be equipped with spacing boss 331, spacing boss 331 sets up and wears out adaptor 34 and deviate from support piece 1 one side at rotation axis 33, spacing boss 331 can encircle rotation axis 33 perisporium setting, also can establish spacing boss 331 etc. at the peripheral interval of rotation axis 33, do not do specific restriction here can with, only need spacing boss 331 can restrict adaptor 34 towards deviating from support piece 1 one side motion can. For example, when the limiting boss 331 surrounds the rotating shaft 33, the limiting boss 331 and the adaptor 34 are abutted against one side of the support member 1, so that the limiting boss 331 can limit the adaptor 34 to move towards one side of the support member 1.

The overall shape of the anti-friction pad 35 may be a circular ring or a rectangular tube, which is not limited herein, and only the adaptor 34 is limited to move toward the side of the support member 1. The eccentric of the cylinder body 31 and the output shaft 32 caused by the axial movement of the cylinder body 31 on the rotating shaft 33 through the adapter 34 is avoided, so that the output shaft 32 and a cylinder cover are rubbed, and the service life of the cylinder body 31 is shortened.

In order to achieve the above purpose, the present invention further provides a pressing mechanism driven by an air cylinder, wherein the pressing mechanism driven by the air cylinder comprises a base and the clamping device, the base is provided with a plane adjusting device 4, and the clamping device is installed on the plane adjusting device 4. The overall shape of the base is not particularly limited, and may be a support carrier of the clamping device. The base is kept away from and is placed face one side and be provided with plane adjusting device 4, and plane adjusting device 4 adjusts through the forked tail, and plane adjusting device 4 can carry out XY direction adjustment to carry out the precision correction to equipment before the production, thereby improve equipment's precision.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A clamping device, comprising:

the supporting part is provided with a supporting part for placing materials;

2. The clamping device of claim 1, further comprising a rotating shaft having one end connected to the support member and another end rotatably connected to the cylinder.

3. The clamping apparatus of claim 2 further comprising an adapter rotatably engaged with said rotatable shaft, said cylinder being secured to said adapter.

4. The clamping device as claimed in claim 2, wherein the supporting member is formed with a fixing hole, and the rotation shaft is fixedly engaged with the fixing hole.

5. A holding arrangement as claimed in claim 3, wherein the cylinder is detachably connected to the adaptor.

6. The clamping device as claimed in claim 3, wherein the adaptor is provided with a shaft hole, the shaft hole penetrates through a surface of the adaptor away from the support member, the rotating shaft penetrates through the shaft hole, a limiting boss is convexly arranged on a peripheral wall of a penetrating end of the rotating shaft, and an outer peripheral edge of the limiting boss protrudes out of an outer peripheral edge of the shaft hole so as to be in limiting abutment with the adaptor.

7. The clamping device of claim 3, further comprising an anti-friction pad disposed between the adapter and the support member.

8. The clamping device as claimed in claim 7, wherein the anti-friction pad is disposed in a ring shape and sleeved on the rotation shaft.

9. The clamping device as claimed in any one of claims 1 to 8, wherein the support portion is located at the top of the support member, and the support portion is provided with a mounting groove.

10. A cylinder driven pressing mechanism, comprising a base and a clamping device as claimed in any one of claims 1 to 9, wherein the base is provided with a flat surface adjusting device, and the clamping device is mounted on the flat surface adjusting device.