CN216937883U

CN216937883U - Clamping device for hydraulic machinery

Info

Publication number: CN216937883U
Application number: CN202122739991.3U
Authority: CN
Inventors: 黄彦轲; 张炳琪; 李鑫
Original assignee: Changan University
Current assignee: Changan University
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-07-12
Anticipated expiration: 2031-11-10

Abstract

The utility model relates to the technical field of machining, in particular to a clamping device for hydraulic machinery, which comprises: the stamping machine comprises a stamping machine body, wherein the top of the front surface of the stamping machine body is fixedly connected with a square block, and the front surface of the square block is fixedly connected with a first cylinder. The positioning block is used for driving the fixing block to rotate, the fixing block is used for clamping a workpiece, when an irregular workpiece is machined, a user starts the second air cylinder, the second air cylinder contracts to pull the positioning block to rotate around the rotating shaft, the positioning block drives the fixing block to rotate so as to clamp the workpiece, and the punching machine body is started to punch the workpiece, so that the purpose of good stability is achieved.

Description

Clamping device for hydraulic machinery

Technical Field

The utility model relates to the technical field of machining, in particular to a clamping device for hydraulic machinery.

Background

The hydraulic press is a machine which uses liquid as working medium and is made according to Pascal principle for transferring energy to implement various processes, and is generally composed of three portions of machine, power system and hydraulic control system, and is classified into valve hydraulic press, hydraulic press, engineering hydraulic press, hydraulic press and so-called oil press, and the hydraulic press is a machine for processing metal, plastics, rubber, wood and powder products by utilizing hydrostatic pressure, and is commonly used in pressing process and press-forming process, such as: forging, stamping, cold extruding, straightening, bending, flanging, sheet drawing, powder metallurgy, press fitting and the like.

Traditional hydraulic press is adding man-hour to the work piece, can not fix the position of work piece, and add man-hour to some irregularly shaped work pieces, because irregularly shaped work piece probably has inclined plane or cambered surface, the inhomogeneous condition of atress can appear in stamping process, thereby lead to the work piece dislocation, it all probably takes place to break away from the punching machine even, probably fly to peripheral operator when serious, bring the injury for the operator, the person of not being convenient for uses, the practicality of hydraulic press has been reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a clamping device for hydraulic machinery, which has the advantage of good stability, and solves the problems that the position of a workpiece cannot be fixed when a traditional hydraulic machine is used for processing the workpiece, and when some workpieces in irregular shapes are processed, the workpieces in irregular shapes can have inclined planes or arc surfaces, so that the situation of uneven stress can occur in the stamping process, the workpiece is dislocated and even separated from a stamping machine, and the workpiece can fly to surrounding operators in serious cases, so that the operator is injured, the clamping device is inconvenient for the user to use, and the practicability of the hydraulic machine is reduced.

In order to achieve the above purpose, the utility model provides the following technical scheme: a clamping device for a hydraulic machine, comprising: the punching machine comprises a punching machine body, wherein a square block is fixedly connected to the top of the front surface of the punching machine body, a first air cylinder is fixedly connected to the front surface of the square block, a transverse plate is fixedly connected to the output end of the first air cylinder, transmission grooves are formed in two sides of the front surface of the transverse plate, a transmission block is slidably connected to the inner cavity of each transmission groove, a mounting plate is fixedly connected to the bottom of the square block, one side of the mounting plate is fixedly connected with the punching machine body, L-shaped blocks are rotatably connected to two sides of the top of the front surface of the mounting plate through rotating shafts, one side of each transmission block is fixedly connected with the L-shaped block, a supporting block is fixedly connected to one side of the L-shaped block far away from the transmission block, one ends of the supporting blocks far away from the L-shaped blocks are connected with a positioning block through rotating shafts, one side of the supporting block is rotatably connected with a second air cylinder through rotating shafts, and the output end of the second air cylinder is rotatably connected with the positioning block through rotating shafts, and one side of the positioning block, which is far away from the supporting block, is fixedly connected with a fixing block.

Further, as a preferred option of the present invention, one side of the fixing block is provided with a plurality of arc-shaped grooves.

Further, as a preferable aspect of the present invention, an objective table is fixedly connected to a bottom of the front surface of the punch body, and a plurality of slotted holes are formed in the front surface of the objective table and are distributed at equal intervals.

Further, as a preferred option of the utility model, both sides of the front surface of the mounting plate are provided with limiting grooves, the inner cavity of the limiting groove is slidably connected with a limiting block, and one side of the limiting block is fixedly connected with the transverse plate.

Further, according to a preferred aspect of the present invention, a receiving case is fixedly connected to a bottom of the press main body, and the receiving case has a square shape.

The beneficial effects are that the technical scheme of this application possesses following technological effect: the utility model drives the fixed block to rotate through the locating block, the fixed block clamps a workpiece, when an irregular workpiece is machined, a user starts the second air cylinder, the second air cylinder contracts to pull the locating block to rotate by taking the rotating shaft as the center, the locating block drives the fixed block to rotate so as to clamp the workpiece, and the body of the punching machine is started to punch the workpiece, so that the purpose of good stability is achieved, the clamping device for the hydraulic machine has the advantage of good stability, in the actual use process, the position of the workpiece can be limited through the arrangement of the fixed block, the irregular-shaped workpieces are convenient to clamp, the workpiece is prevented from being separated from the objective table when the punching machine machines the workpiece, the use by the user is convenient, the practicability of the punching machine is improved, the position of the workpiece cannot be fixed when the traditional hydraulic machine machines the workpiece, and when processing some irregularly shaped work pieces, because irregularly shaped work piece probably has inclined plane or cambered surface, the inhomogeneous condition of atress can appear in stamping process to lead to the work piece dislocation, it is all probably to take place even to break away from the punching machine, probably flies to peripheral operator when serious, brings the injury for the operator, and the person of not being convenient for uses, has reduced the problem of hydraulic press practicality.

It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below can be considered as part of the inventive subject matter of the present disclosure unless such concepts are mutually inconsistent.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

fig. 2 is a front view of the body structure of the press of the present invention.

In the figures, the reference symbols have the following meanings: 1. a punch body; 2. a block; 3. a first cylinder; 4. A transverse plate; 5. a transmission groove; 6. a transmission block; 7. mounting a plate; 8. an L-shaped block; 9. a support block; 10. positioning blocks; 11. a second air cylinder; 12. a fixed block; 13. an arc-shaped slot; 14. an object stage; 15. a slot; 16. A limiting groove; 17. a limiting block; 18. an accommodating box.

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 in order to better understand the technical contents of the present invention, specific embodiments will be described below with reference to the accompanying drawings. In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. It should be appreciated that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways. 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.

As shown in figures 1 to 2: the present embodiment provides a clamping device for a hydraulic machine, including: the punching machine comprises a punching machine body 1, wherein a square block 2 is fixedly connected to the top of the front surface of the punching machine body 1, a cylinder 3 is fixedly connected to the front surface of the square block 2, a transverse plate 4 is fixedly connected to the output end of the cylinder 3, transmission grooves 5 are respectively formed in two sides of the front surface of the transverse plate 4, a transmission block 6 is slidably connected to the inner cavity of each transmission groove 5, a mounting plate 7 is fixedly connected to the bottom of the square block 2, limiting grooves 16 are respectively formed in two sides of the front surface of the mounting plate 7, a limiting block 17 is slidably connected to the inner cavity of each limiting groove 16, one side of each limiting block 17 is fixedly connected to the transverse plate 4, one side of each mounting plate 7 is fixedly connected to the punching machine body 1, L-shaped blocks 8 are rotatably connected to two sides of the front surface of the mounting plate 7 through rotating shafts, one side of each transmission block 6 is fixedly connected to each supporting block 9, one side of each L-shaped block 8, and one end, far away from each L-shaped block 9, is connected to a positioning block 10 through a rotating shaft, one side of the supporting block 9 is rotatably connected with a second cylinder 11 through a rotating shaft, the output end of the second cylinder 11 is rotatably connected with a positioning block 10 through a rotating shaft, and one side of the positioning block 10, which is far away from the supporting block 9, is fixedly connected with a fixing block 12.

Specifically, an arc-shaped groove 13 is formed in one side of the fixing block 12, and the number of the arc-shaped grooves 13 is multiple.

In this embodiment: through the setting of arc wall 13, can increase the frictional force between fixed block 12 and the work piece, can prevent to appear the phenomenon of skidding between work piece and the fixed block 12.

Specifically, the bottom of the front surface of the punch body 1 is fixedly connected with an object stage 14, and the front surface of the object stage 14 is provided with a plurality of slotted holes 15 distributed at equal intervals.

In this embodiment: through the cooperation of objective table 14 and slotted hole 15, can the person of facilitating the use place the work piece and increase and the work piece between frictional force, the dust on objective table 14 surface can be stored to slotted hole 15, and the user clears up the dust in slotted hole 15 through the brush.

Specifically, the storage box 18 is fixedly connected to the bottom of the punch body 1, and the storage box 18 is square.

In this embodiment: through the setting of receiver 18, can convenient to use person place some measuring tool, avoid can't be timely when measuring the work piece finding measuring tool.

The working principle and the using process of the utility model are as follows: the user places the work piece on objective table 14, start cylinder 3, cylinder 3 shrink pulling diaphragm 4 moves to one side, diaphragm 4 drives transmission block 6 through transmission groove 5 and moves to one side, diaphragm 4 drives stopper 17 and slides in the inner chamber of spacing groove 16, transmission block 6 drives L-shaped piece 8 rotatory, L-shaped piece 8 drives supporting shoe 9 rotatory, supporting shoe 9 drives locating piece 10 rotatory, locating piece 10 drives fixed block 12 rotatory, fixed block 12 carries out the centre gripping to the work piece, add man-hour to irregular work piece, the user starts cylinder two 11, cylinder two 11 shrink pulling locating piece 10 uses the pivot as the center rotation, thereby locating piece 10 drives fixed block 12 rotatory carries out the centre gripping to the work piece, start punching machine body 1 and carry out the punching press to the work piece, thereby reach the good mesh of stability.

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.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model. Therefore, the protection scope of the present invention should be determined by the appended claims.

Claims

1. A clamping device for a hydraulic machine, comprising: punch body (1), its characterized in that: the punching machine comprises a punching machine body (1), and is characterized in that a square block (2) is fixedly connected to the top of the front surface of the punching machine body (1), a cylinder I (3) is fixedly connected to the front surface of the square block (2), a transverse plate (4) is fixedly connected to the output end of the cylinder I (3), transmission grooves (5) are formed in the two sides of the front surface of the transverse plate (4), a transmission block (6) is connected to the inner cavity of the transmission groove (5) in a sliding mode, a mounting plate (7) is fixedly connected to the bottom of the square block (2), one side of the mounting plate (7) is fixedly connected with the punching machine body (1), the two sides of the top of the front surface of the mounting plate (7) are rotatably connected with an L-shaped block (8) through a rotating shaft, one side of the transmission block (6) is fixedly connected with an L-shaped block (8), a supporting block (9) is fixedly connected to one side, far away from the transmission block (6), and one end, far away from the L-shaped block (8), of the supporting block (9) is connected with a positioning block (10) through a rotating shaft, one side of the supporting block (9) is rotatably connected with a second air cylinder (11) through a rotating shaft, the output end of the second air cylinder (11) is rotatably connected with the positioning block (10) through the rotating shaft, and one side, far away from the supporting block (9), of the positioning block (10) is fixedly connected with a fixing block (12).

2. A clamping device for a hydraulic machine, according to claim 1, characterized in that: arc-shaped grooves (13) are formed in one side of the fixing block (12), and the number of the arc-shaped grooves (13) is a plurality.

3. A clamping device for a hydraulic machine, according to claim 1, characterized in that: the bottom of the front surface of the punch body (1) is fixedly connected with an object stage (14), and the front surface of the object stage (14) is provided with a plurality of slotted holes (15) which are distributed at equal intervals.

4. A clamping device for a hydraulic machine, according to claim 1, characterized in that: spacing groove (16) have all been seted up to the both sides on mounting panel (7) positive surface, the inner chamber sliding connection of spacing groove (16) has stopper (17), one side and diaphragm (4) fixed connection of stopper (17).

5. A clamping device for a hydraulic machine, according to claim 1, characterized in that: the bottom fixedly connected with receiver (18) of punching machine body (1), the shape of receiver (18) is square.