CN215789325U

CN215789325U - Vacuum clamp with high clamping stability

Info

Publication number: CN215789325U
Application number: CN202121789684.XU
Authority: CN
Inventors: 王学文
Original assignee: Shenzhen Yuanjinhai Precision Technology Co ltd
Current assignee: Shenzhen Yuanjinhai Precision Technology Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-02-11
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses a vacuum clamp with high clamping stability, which comprises a bottom plate, wherein the top end of the bottom plate is fixedly connected with a clamp body, the top end of the clamp body is provided with a sliding groove, a sliding plate is movably arranged above the clamp body, the inside of the sliding plate is provided with a through groove, the through groove is in sliding connection with the sliding groove, the top end of the clamp body positioned on the inner side of the through groove is provided with an air passage, and the top end of the sliding plate positioned on the outer side of the air passage is fixedly connected with a sealant; through connecting and the intercommunication mouth to even going into the vacuum between gas circuit inside and the work piece, utilize external and work piece, the atmospheric pressure difference of anchor clamps body inner space realizes adsorbing fixedly to the work piece, make anchor clamps can realize the fixed of work piece and to fixed the removing, fix through the mode of adjusting atmospheric pressure moreover, can not cause damage or grinding trace to the work piece, the quality and the pleasing to the eye of work piece have been improved, the practicality of device has been improved, and can realize more quick fixed work piece through the mode of adjusting atmospheric pressure, the high efficiency of device has been improved.

Description

Vacuum clamp with high clamping stability

Technical Field

The utility model relates to the technical field of clamps, in particular to a vacuum clamp with high clamping stability.

Background

The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process, and is also called a jig. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig.

When the existing clamp is used, the problems that a workpiece is deformed due to extrusion of a fixing piece and scratches are caused to the workpiece exist.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a vacuum clamp with high clamping stability, which solves the problems that the workpiece is deformed and scratches are caused to the workpiece due to the extrusion of a fixing piece in the prior art.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a vacuum clamp that centre gripping stability is high, comprising a base plate, bottom plate top fixed connection anchor clamps body, the spout has been seted up on anchor clamps body top, anchor clamps body top movable mounting has the sliding plate, the inside logical groove of having seted up of sliding plate, logical groove and spout sliding connection, the gas circuit has been seted up on the anchor clamps body top that is located logical inslot side, the sealed glue of sliding plate top fixed connection that is located the gas circuit outside, the sliding plate top that is located sealed glue outside runs through and sliding connection has a plurality of guide posts, the equal fixed connection sliding connection pipe in sliding plate bottom in every guide post outside, sliding connection pipe runs through anchor clamps body and with anchor clamps body sliding connection.

Preferably, the sealant is provided in a closed ring shape.

Preferably, every the guide post runs through sliding connection pipe and locates the anchor clamps body below, the guide bar bottom all with bottom plate top fixed connection.

Preferably, a spring is sleeved outside the guide post between the sliding connection pipe and the bottom plate.

Preferably, the side end of the clamp body is fixedly connected with the joint, a communicating opening is formed in the clamp body at the bottom end of the air path, and the communicating opening is communicated with the joint.

Preferably, a top plate is arranged above the sliding plate, the bottom end of the top plate, which is positioned outside the clamp body, is fixedly connected with a plurality of supporting rods, and the bottom ends of the supporting rods are fixedly connected with the top end of the bottom plate.

Preferably, the top end of the top plate is rotatably connected with the rotating rod, and the top ends of the top plates at the two ends of the rotating center of the rotating rod are respectively and fixedly connected with the fixing rod and the motor.

Preferably, the motor output shaft is coaxially and fixedly connected with a rotating disc, the eccentric position of the rotating disc is fixedly connected with a round pin, and the round pin is arranged inside the rotating rod and is in sliding connection with the rotating rod.

Preferably, the inside sliding connection slide bar of dead lever, the slide bar top is seted up flutedly, the inside fixed connection round bar of recess, inside and with dwang sliding connection of dwang are located at the round bar middle part.

Preferably, the bottom end of the sliding rod penetrates through the top plate and is in sliding connection with the top plate, and the bottom end of the sliding rod is fixedly connected with the push plate.

Advantageous effects

The utility model provides a vacuum clamp with high clamping stability. Compared with the prior art, the method has the following beneficial effects:

(1) the vacuum clamp with high clamping stability is characterized in that vacuum is connected between the interior of a gas circuit and a workpiece through a joint and a communication port, a sealant and a sliding plate are tightly connected with the clamp body to seal the clamp body and the workpiece, the workpiece is adsorbed and fixed by utilizing the air pressure difference between the outside and the workpiece and the inner space of the clamp body, after the vacuum clamp is processed, the joint and the communication port are connected with air to eliminate the air pressure difference between the outside and the inner space of the workpiece and the clamp body and remove the adsorption on the workpiece, meanwhile, a spring pushes a sliding connecting pipe to move upwards, the sliding connecting pipe pushes the sliding plate and the workpiece to move upwards to facilitate the workpiece to be taken out, so that the clamp can realize the fixation and the removal of the fixation on the workpiece, and the workpiece is fixed in a mode of regulating air pressure, the workpiece cannot be damaged or has grinding marks, the quality and the attractiveness of the workpiece are improved, and the practicability of the vacuum clamp is improved, and the mode through adjusting atmospheric pressure can realize faster fixed work piece, has improved the high efficiency of device.

(2) This high vacuum jig of clamping stability, through placing the work piece on the sliding plate top, the starter motor drives the rotating disc and rotates, the rotating disc promotes dwang one end through the round pin and rotates around the center of rotation and rises, the dwang other end rotates around the center of rotation and descends and promote the slide bar, the push pedal descends, the push pedal promotes work piece and sliding plate and glides along the spout, can make the push pedal go up and down repeatedly through the motor, can realize automatic pushing down the operation to the work piece, be favorable to improving the degree of automation of device, the application scope of device has been expanded, the practicality of device has been improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is an enlarged view of A of FIG. 2 in accordance with the present invention;

fig. 4 is an isometric view of the slide plate of the present invention.

FIG. 1, bottom plate; 2. a clamp body; 3. a sliding plate; 4. a joint; 5. a chute; 6. a gas circuit; 7. a guide post; 8. a sliding connection pipe; 9. a spring; 10. sealing glue; 11. a communication port; 12. a support bar; 13. a top plate; 14. fixing the rod; 15. a slide bar; 16. pushing the plate; 17. rotating the rod; 18. a motor; 19. the disc is rotated.

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.

The first embodiment is as follows:

referring to fig. 1-4, a vacuum clamp with high clamping stability comprises a bottom plate 1, a clamp body 2 is fixedly connected to the top end of the bottom plate 1, a sliding groove 5 is formed in the top end of the clamp body 2, a sliding plate 3 is movably mounted above the clamp body 2, a through groove is formed in the sliding plate 3 and is slidably connected with the sliding groove 5, an air passage 6 is formed in the top end of the clamp body 2 located inside the through groove, a sealant 10 is fixedly connected to the top end of the sliding plate 3 located outside the air passage 6, the sealant 10 is designed to be a closed ring shape, a plurality of guide posts 7 are penetrated and slidably connected to the top end of the sliding plate 3 located outside the sealant 10, a sliding connection pipe 8 is fixedly connected to the bottom end of the sliding plate 3 located outside each guide post 7, the sliding connection pipe 8 penetrates through the clamp body 2 and is slidably connected with the clamp body 2, each guide post 7 penetrates through the sliding connection pipe 8 and is located below the clamp body 2, and the bottom ends of the guide posts are fixedly connected with the top end of the bottom plate 1, a spring 9 is sleeved outside the guide post 7 positioned between the sliding connecting pipe 8 and the bottom plate 1, the side end of the fixture body 2 is fixedly connected with the joint 4, a communicating opening 11 is arranged inside the fixture body 2 at the bottom end of the air passage 6, the communicating opening 11 is communicated with the joint 4, vacuum is connected between the interior of the gas path 6 and the workpiece through the joint 4 and the communication port 11, the clamp body 2 and the workpiece are sealed through the sealant 10 and the tight connection of the sliding plate 3 and the clamp body 2, the workpiece is adsorbed and fixed by utilizing the air pressure difference between the outside and the workpiece and the internal space of the clamp body 2, after the processing is finished, the joint 4 and the communication port 11 are connected with air, the air pressure difference between the outside and the work piece and the inner space of the fixture body 2 is eliminated, the work piece is removed from being adsorbed, meanwhile, the spring 9 pushes the sliding connecting pipe 8 to move upwards, and the sliding connecting pipe 8 pushes the sliding plate 3 and the workpiece to move upwards, so that the workpiece is convenient to take out.

Example two:

referring to fig. 1, a vacuum clamp with high clamping stability comprises a bottom plate 1, a clamp body 2 is fixedly connected to the top end of the bottom plate 1, a chute 5 is arranged at the top end of the clamp body 2, a sliding plate 3 is movably arranged above the clamp body 2, a top plate 13 is arranged above the sliding plate 3, a plurality of supporting rods 12 are fixedly connected to the bottom end of the top plate 13 positioned outside the clamp body 2, the bottom ends of the supporting rods 12 are fixedly connected to the top end of the bottom plate 1, the top end of the top plate 13 is rotatably connected to a rotating rod 17, the top ends of the top plates 13 positioned at two ends of the rotating center of the rotating rod 17 are respectively fixedly connected to a fixed rod 14 and a motor 18, an output shaft of the motor 18 is coaxially and fixedly connected to a rotating disc 19, a round pin is fixedly connected to the eccentric position of the rotating disc 19, the round pin is arranged inside the rotating rod 17 and is slidably connected to the rotating rod 17, a sliding rod 15 is arranged inside the fixed rod 14 in a sliding manner, a groove is provided with a groove, dwang 17 is inside and with dwang 17 sliding connection located at the round bar middle part, 15 bottoms of slide bar run through roof 13 and with roof 13 sliding connection, 15 bottom fixed connection push pedal 16 of slide bar, through placing the work piece on the 3 tops of sliding plate, starter motor 18 drives swivel disc 19 and rotates, swivel disc 19 promotes dwang 17 one end through the round pin and rotates around the rotation center and rise, the dwang 17 other end rotates around the rotation center and descends and promote slide bar 15, push pedal 16 descends, push pedal 16 promotes work piece and sliding plate 3 and glides along spout 5.

And those not described in detail in this specification are well within the skill of those in the art.

When the device works, firstly, a workpiece is placed on the top end of the sliding plate 3, the starting motor 18 drives the rotating disc 19 to rotate, the rotating disc 19 pushes one end of the rotating rod 17 to rotate and rise around a rotating center through a round pin, the other end of the rotating rod 17 rotates and falls around the rotating center and pushes the sliding rod 15 and the push plate 16 to fall, the push plate 16 pushes the workpiece and the sliding plate 3 to slide downwards along the sliding chute 5, vacuum is connected between the inside of the gas circuit 6 and the workpiece through the joint 4 and the communication port 11, the clamp body 2 and the workpiece are sealed through the sealant 10 and the tight connection between the sliding plate 3 and the clamp body 2, the workpiece is adsorbed and fixed by utilizing the air pressure difference between the outside and the inside space of the workpiece and the clamp body 2, after the processing is finished, the joint 4 and the communication port 11 are connected with air, the air pressure difference between the outside and the inside space of the workpiece and the clamp body 2 is eliminated, the adsorption to the workpiece is relieved, and the spring 9 pushes the sliding connecting pipe 8 to move upwards, the sliding connecting pipe 8 pushes the sliding plate 3 and the workpiece to move upwards, so that the workpiece is convenient to take out.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a vacuum clamp that centre gripping stability is high, includes bottom plate (1), its characterized in that: bottom plate (1) top fixed connection anchor clamps body (2), spout (5) have been seted up on anchor clamps body (2) top, anchor clamps body (2) top movable mounting has sliding plate (3), sliding plate (3) inside and spout (5) sliding connection, gas circuit (6) have been seted up on the anchor clamps body (2) top that is located logical inboard, sliding plate (3) top fixed connection that is located the gas circuit (6) outside seals glue (10), sliding plate (3) top that is located the sealed glue (10) outside runs through and sliding connection has a plurality of guide posts (7), the equal fixed connection sliding connection pipe (8) in sliding plate (3) bottom in every guide post (7) outside, sliding connection pipe (8) run through anchor clamps body (2) and with anchor clamps body (2) sliding connection.

2. The vacuum chuck with high clamping stability as claimed in claim 1, wherein: the sealing glue (10) is designed into a closed ring shape.

3. The vacuum chuck with high clamping stability as claimed in claim 1, wherein: every guide post (7) run through slip connecting pipe (8) and locate anchor clamps body (2) below, the guide bar bottom all with bottom plate (1) top fixed connection.

4. The vacuum chuck with high clamping stability as claimed in claim 1, wherein: and a spring (9) is sleeved on the outer side of the guide column (7) between the sliding connecting pipe (8) and the bottom plate (1).

5. The vacuum chuck with high clamping stability as claimed in claim 1, wherein: the side end of the clamp body (2) is fixedly connected with the joint (4), a communication opening (11) is formed in the clamp body (2) at the bottom end of the air path (6), and the communication opening (11) is communicated with the joint (4).

6. The vacuum chuck with high clamping stability as claimed in claim 1, wherein: a top plate (13) is arranged above the sliding plate (3), the bottom ends of the top plate (13) positioned at the outer side of the clamp body (2) are fixedly connected with a plurality of supporting rods (12), and the bottom ends of the supporting rods (12) are fixedly connected with the top end of the bottom plate (1).

7. The vacuum chuck as claimed in claim 6, wherein: the top end of the top plate (13) is rotatably connected with the rotating rod (17), and the top ends of the top plates (13) at the two ends of the rotating center of the rotating rod (17) are respectively and fixedly connected with the fixing rod (14) and the motor (18).

8. The vacuum chuck as claimed in claim 7, wherein: the coaxial fixed connection of motor (18) output shaft rotates disc (19), rotates disc (19) eccentric position fixed connection round pin, and the round pin is located dwang (17) inside and with dwang (17) sliding connection.

9. The vacuum chuck as claimed in claim 7, wherein: the inside sliding connection slide bar (15) of dead lever (14), slide bar (15) top is seted up flutedly, the inside fixed connection round bar of recess, and the round bar middle part is located dwang (17) inside and with dwang (17) sliding connection.

10. The vacuum chuck as claimed in claim 9, wherein: the bottom end of the sliding rod (15) penetrates through the top plate (13) and is in sliding connection with the top plate (13), and the bottom end of the sliding rod (15) is fixedly connected with the push plate (16).