CN218518464U

CN218518464U - Precise pneumatic clamp

Info

Publication number: CN218518464U
Application number: CN202221861014.9U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Jilin Juhong Automation Technology Co ltd
Current assignee: Jilin Juhong Automation Technology Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2023-02-24
Anticipated expiration: 2032-07-19

Abstract

The utility model discloses an accurate pneumatic fixture relates to anchor clamps technical field, comprises a workbench, the equal fixedly connected with mounting panel in top both sides position of workstation, two the equal fixedly connected with cylinder in relative one side of mounting panel, the piston end fixedly connected with connecting plate of cylinder, two equal fixedly connected with fixed plate in relative one side both ends department of connecting plate is located the relative one side rotation of two fixed plates with one side and is connected with same two-way threaded rod, two-way threaded rod's outer wall both ends all are provided with the slider through thread slipping, one side that the connecting plate is close to two-way threaded rod is opened there is the spacing groove, the inner wall both ends of spacing groove all slide and set up because the stopper, stopper and slider fixed connection, one side fixedly connected with movable plate of connecting plate is kept away from to the slider. The utility model discloses its advantage lies in being convenient for install and dismantle the holder.

Description

Precise pneumatic clamp

Technical Field

The utility model relates to an anchor clamps technical field especially relates to an accurate pneumatic fixture.

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.

At present, an existing pneumatic clamp generally includes a power mechanism and a clamping member, and the power mechanism drives the clamping member to move so as to clamp an object.

However, similar to the above-mentioned precision pneumatic clamp, after the clamping member is used for a long time, the clamping member may be worn, and further needs to be disassembled for maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a precise pneumatic clamp. Its advantage lies in being convenient for install and dismantle the holder.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an accurate pneumatic fixture, includes the workstation, the equal fixedly connected with mounting panel in top both sides position of workstation, two the equal fixedly connected with cylinder in relative one side of mounting panel, the piston end fixedly connected with connecting plate of cylinder, two the equal fixedly connected with fixed plate in relative one side both ends department of connecting plate is located and rotates with the relative one side of two fixed plates of one side and is connected with same two-way threaded rod, the outer wall both ends of two-way threaded rod all are provided with the slider through thread sliding, the connecting plate is close to one side of two-way threaded rod and opens there is the spacing groove, the inner wall both ends of spacing groove all slide and set up owing to the stopper, stopper and slider fixed connection, one side fixedly connected with movable plate that the connecting plate was kept away from to the slider is located the equal fixedly connected with fixed block in relative one side of two movable plates with one side, one side of connecting plate is provided with the installation piece, the fixed slot with fixed block looks adaptation is all opened at the both ends of installation piece, the installation piece is kept away from one side of connecting plate and is fixed and is provided with the holder.

Through the technical scheme: when dismantling, rotate two-way threaded rod earlier, under the limiting displacement of spacing groove and stopper, make two slider back-to-back movements, and then drive two fixed blocks and break away from the fixed slot, at this moment, can dismantle installation piece and holder, during the installation, on the same principle, make the fixed block insert in the fixed slot can, easy operation is convenient for install and dismantle the holder.

The utility model discloses further set up to, the fixed block is the quadrangular form.

Through the technical scheme: due to the design of the four prisms, the fixing blocks can be conveniently inserted into the fixing grooves.

The utility model discloses further set up to, one of them one side of fixed plate is rotated and is connected with first gear and second gear, first gear meshes with the second gear mutually, fixed connection between first gear and the two-way threaded rod.

Through the technical scheme: when the bidirectional threaded rod is rotated, the second gear can be rotated first, the first gear is driven to rotate through the second gear, and then the bidirectional threaded rod is driven to rotate.

The utility model discloses further set up to, the number of teeth of first gear is less than the number of teeth of second gear.

Through the technical scheme: because the number of teeth of the first gear is less than that of the second gear, the second gear and the bidirectional threaded rod rotate in an accelerating mode, the moving speed of the sliding block is increased, and the mounting and dismounting efficiency of the clamping piece is further improved.

The utility model discloses further set up to, the one end middle part fixedly connected with book type crank of second gear.

Through the technical scheme: and the second gear can be conveniently rotated by using the folding crank.

The utility model discloses further set up to, the constant head tank has all been opened to one side top and the bottom that the connecting plate is close to the installation piece, one side top and the bottom of installation piece all are provided with the locating plate with the constant head tank looks adaptation, open one side of locating plate has the activity groove, the inner wall in activity groove slides and is provided with the fly leaf, fly leaf and installation piece fixed connection.

Through the technical scheme: utilize locating plate and constant head tank, be convenient for correspond fixed slot and fixed block fast to the increase is to the installation effectiveness of holder.

The utility model discloses further set up to, a plurality of extrusion springs of fixedly connected with between fly leaf and the activity groove.

Through the technical scheme: by means of the elasticity of the extrusion spring, when the mounting block is detached, the mounting block is quickly pushed to move outwards.

The utility model has the advantages that:

1. this accurate pneumatic fixture, through being provided with two-way threaded rod, slider, stopper, fixed block, installation piece and fixed slot, when dismantling, rotate two-way threaded rod earlier, under the limiting displacement of spacing groove and stopper, make two slider back of the body motions, and then drive two fixed blocks and break away from the fixed slot, at this moment, can dismantle installation piece and holder, during the installation, on the same principle, make the fixed block insert in the fixed slot can, easy operation is convenient for install and dismantle the holder.

2. This accurate pneumatic fixture through being provided with first gear and second gear, when rotating two-way threaded rod, can rotate the second gear earlier, drives first gear rotation through the second gear, and then drives two-way threaded rod and rotate, because the number of teeth of first gear is less than the number of teeth of second gear to make second gear and two-way threaded rod rotation with higher speed, increase the translation rate of slider, and then increase the efficiency that holder installation and dismantlement.

3. This accurate pneumatic fixture through being provided with constant head tank, locating plate and extrusion spring, when installing, inserts the constant head tank with the locating plate in, presses down the installation piece afterwards, make the fixed block correspond with the fixed slot can, be convenient for correspond fixed slot and fixed block fast to the increase is to the installation effectiveness of holder.

Drawings

Fig. 1 is a schematic view of the overall three-dimensional structure of a precision pneumatic clamp according to the present invention;

fig. 2 is a schematic perspective view of a bidirectional threaded rod and a slide block of the precision pneumatic clamp of the present invention;

fig. 3 is a schematic three-dimensional structure view of a precise pneumatic clamp mounting block and a fixing groove provided by the present invention;

fig. 4 is a schematic view of a schematic structure of a local overlooking cross section of the positioning plate of the precise pneumatic clamp and the extrusion spring provided by the utility model.

In the figure: 1. a work table; 2. mounting a plate; 3. a cylinder; 4. a connecting plate; 5. a clamping member; 6. a fixing plate; 7. a first gear; 8. a second gear; 9. a folding type crank; 10. moving the plate; 11. a fixed block; 12. a limiting groove; 13. a limiting block; 14. a bidirectional threaded rod; 15. a slider; 16. positioning a groove; 17. fixing grooves; 18. mounting blocks; 19. positioning a plate; 20. a compression spring; 21. a movable plate.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the figures, which are based on the orientations and positional relationships shown in the figures, and are used for convenience in describing the patent and for simplicity in description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-4, a precise pneumatic fixture comprises a workbench 1, mounting plates 2 are connected to two sides of the top of the workbench 1 through bolts, cylinders 3 are connected to two opposite sides of the two mounting plates 2 through bolts, connecting plates 4 are connected to piston ends of the cylinders 3 through bolts, fixing plates 6 are connected to two opposite sides of the two connecting plates 4 through bolts, the two opposite sides of the two fixing plates 6 located on the same side are rotatably connected with the same two-way threaded rod 14, sliding blocks 15 are arranged at two ends of the outer wall of the two-way threaded rod 14 through threaded sliding, limiting grooves 12 are formed in one sides, close to the two-way threaded rod 14, of the connecting plates 4, two ends of the inner walls of the limiting grooves 12 are respectively slidably arranged due to the limiting blocks 13, the limiting blocks 13 are connected with the sliding blocks 15 through bolts, one sides, far away from the connecting plates 4, of the sliding blocks 15 are connected with movable plates 10 through bolts, opposite sides, close to the two movable plates 10 located on the same side, are respectively connected with fixing blocks 11 through bolts, mounting blocks 18 are arranged on one sides of the connecting plates 4, mounting blocks 18 are provided with fixing grooves 17 matched with the fixing blocks 11, and clamping pieces 5 are fixedly arranged on one sides, far away from the connecting plates 4 of the mounting blocks 18.

Specifically, the fixing block 11 is in a quadrangular prism shape, and the quadrangular prism design facilitates the insertion of the fixing block 11 into the fixing groove 17.

Specifically, one side of one of the fixing plates 6 is rotatably connected with a first gear 7 and a second gear 8, the first gear 7 is meshed with the second gear 8, the first gear 7 is fixedly connected with a bidirectional threaded rod 14, when the bidirectional threaded rod 14 is rotated, the second gear 8 can be rotated firstly, the second gear 8 drives the first gear 7 to rotate, and then the bidirectional threaded rod 14 is driven to rotate.

Specifically, the number of teeth of the first gear 7 is smaller than that of the second gear 8, and the number of teeth of the first gear 7 is smaller than that of the second gear 8, so that the second gear 8 and the bidirectional threaded rod 14 rotate in an accelerated manner, the moving speed of the slider 15 is increased, and the installation and disassembly efficiency of the clamping piece 5 is increased.

Specifically, the middle of one end of the second gear 8 is connected with a folding type crank 9 through a bolt, and the second gear 8 is convenient to rotate by utilizing the folding type crank 9.

Specifically, the locating slot 16 has all been opened to one side top and the bottom that connecting plate 4 is close to installation piece 18, one side top and the bottom of installation piece 18 all are provided with the locating plate 19 with locating slot 16 looks adaptation, open one side of locating plate 19 has the activity groove, the inner wall slip of activity groove is provided with fly leaf 21, fly leaf 21 passes through bolted connection with installation piece 18, utilize locating plate 19 and locating slot 16, be convenient for correspond fixed slot 17 and fixed block 11 fast to increase the installation effectiveness to holder 5.

Specifically, a plurality of pressing springs 20 are connected between the movable plate 21 and the movable groove through bolts, and the mounting block 18 is rapidly pushed to move outwards by the elastic force of the pressing springs 20 when the mounting block 18 is detached.

The working principle is as follows: when dismantling, rotate two-way threaded rod 14 earlier, under the limiting displacement of spacing groove 12 and stopper 13, make two 15 looks back-to-back motions of slider, and then drive two fixed blocks 11 and break away from fixed slot 17, at this moment, can dismantle installation piece 18 and holder 5, during the installation, on the same way, make fixed block 11 insert in the fixed slot 17 can, easy operation is convenient for install and dismantle holder 5.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The precise pneumatic clamp comprises a workbench (1) and is characterized in that mounting plates (2) are fixedly connected to the two sides of the top of the workbench (1) respectively, two cylinders (3) are fixedly connected to the two opposite sides of the mounting plates (2), a connecting plate (4) is fixedly connected to the piston end of each cylinder (3), two fixing plates (6) are fixedly connected to the two opposite sides of the connecting plate (4) respectively, the two opposite sides of the two fixing plates (6) on the same side are rotatably connected with the same two-way threaded rod (14), sliding blocks (15) are arranged at the two ends of the outer wall of each two-way threaded rod (14) respectively through threaded sliding, a limiting groove (12) is formed in one side, close to the two-way threaded rod (14), of each connecting plate (4), two inner wall ends of the limiting groove (12) are respectively slidably arranged due to limiting blocks (13), the limiting blocks (13) are fixedly connected with the sliding blocks (15), one side, far away from the connecting plate (4) is fixedly connected with a movable plate (10) respectively, two opposite sides of the two movable plates (10) on the same side, fixing blocks (11) on the same side of the connecting plate (10) are fixedly connected with fixing blocks (11), mounting blocks (18) are respectively, mounting blocks (17) are fixedly connected with fixing grooves (17), and a clamping piece (5) is fixedly arranged on one side, far away from the connecting plate (4), of the mounting block (18).

2. A precision pneumatic clamp according to claim 1, characterised in that said fixed block (11) is quadrangular.

3. A precision pneumatic clamp according to claim 1, wherein one side of one of the fixed plates (6) is rotatably connected with a first gear (7) and a second gear (8), the first gear (7) is meshed with the second gear (8), and the first gear (7) is fixedly connected with the bidirectional threaded rod (14).

4. A precision pneumatic clamp according to claim 3, wherein the number of teeth of the first gear wheel (7) is smaller than the number of teeth of the second gear wheel (8).

5. The precise pneumatic clamp according to claim 4, characterized in that a folding type crank (9) is fixedly connected to the middle of one end of the second gear (8).

6. The precise pneumatic clamp according to claim 1, wherein the connecting plate (4) is provided with positioning grooves (16) at the top and the bottom of one side close to the mounting block (18), the mounting block (18) is provided with positioning plates (19) matched with the positioning grooves (16) at the top and the bottom of one side, one side of each positioning plate (19) is provided with a movable groove, the inner wall of each movable groove is provided with a movable plate (21) in a sliding manner, and the movable plate (21) is fixedly connected with the mounting block (18).

7. A precision pneumatic clamp according to claim 6, characterised in that a plurality of compression springs (20) are fixedly connected between the movable plate (21) and the movable slot.