CN214770623U

CN214770623U - Hydraulic clamp capable of being clamped quickly

Info

Publication number: CN214770623U
Application number: CN202121213287.8U
Authority: CN
Inventors: 许家硕; 许飞鹏
Original assignee: Quanzhou Meida Machinery Design Co ltd
Current assignee: Quanzhou Meida Machinery Design Co ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-11-19
Anticipated expiration: 2031-06-01

Abstract

The utility model discloses a but quick clamping's hydraulically operated fixture, including the fixing base, compress tightly the subassembly and promote the subassembly, compress tightly the subassembly and include depression bar, compact heap, the depression bar slides and wears to establish on the fixing base, and the one end of depression bar is equipped with the compact heap, and the other end of depression bar is equipped with down the splenium, leaves the space in order to form work piece centre gripping space between compact heap and the fixing base surface, promotes the subassembly including articulating the pendulum rod on the fixing base, and the one end of pendulum rod is equipped with the splenium, and the other end of pendulum rod is equipped with the top portion of pushing away that is used for pushing away the top work piece. When the pressing rod is driven to move downwards, the pressing part of the pressing rod is matched with the pressing part to press the pressing part, so that the swinging rod rotates, the pushing part pushes the workpiece to move to a positioning point, and then the pressing block is matched with the fixing seat to press the workpiece. By applying a driving force to the pressing rod, the pushing and pressing actions can be realized successively under a fixed time difference, the workpiece is moved to a positioning point and then clamped and fixed, the action is stable, and the control is simple.

Description

Hydraulic clamp capable of being clamped quickly

Technical Field

The utility model relates to a hydraulically operated fixture technical field, concretely relates to but quick clamping's hydraulically operated fixture.

Background

When the accessory is machined, the workpiece needs to be clamped and fixed, due to the fact that the shape of the workpiece is different, when the complex workpiece is clamped, the workpiece needs to be clamped and fixed through multiple actions and multiple positioning, the actions are generally realized through a corresponding control system, manufacturing cost is high, and meanwhile, the failure rate is high.

SUMMERY OF THE UTILITY MODEL

In view of the above analysis, the present invention provides a hydraulic clamp capable of clamping quickly to solve the deficiencies of the prior art.

The utility model discloses mainly realize through following technical scheme:

the utility model provides a pair of but quick clamping's hydraulically operated fixture, include the fixing base, compress tightly the subassembly and promote the subassembly, it includes depression bar, compact heap to compress tightly the subassembly, the depression bar slides and wears to establish on the fixing base, the one end of depression bar is equipped with the compact heap, the other end of depression bar is equipped with down the splenium, leave the space in order to form work piece centre gripping space between compact heap and the fixing base surface, it is including articulating the pendulum rod on the fixing base to promote the subassembly, the one end of pendulum rod is equipped with the bearing portion, the other end of pendulum rod is equipped with the top portion of pushing away that is used for pushing away the top work piece, drives during the depression bar downstream, the cooperation of the portion of pushing down of depression bar pushes down the bearing portion, makes the pendulum rod rotatory, the top portion of pushing away promotes the work piece and removes to the setpoint, and then the compact heap compresses tightly the work piece with the fixing base cooperation.

Furthermore, the compressing assembly comprises a compressing cylinder, an upper compression rod is arranged on a piston in the compressing cylinder, the upper compression rod sequentially penetrates through the compressing cylinder and a fixing seat to be connected with a compressing block, a lower compression block is arranged on a piston rod of the compressing cylinder, the lower compression block is arranged on the lower compression block, an air hole is formed in the side wall of the compressing cylinder, and the piston, the piston rod, the upper compression rod and the lower compression block in the compressing cylinder form the compression rod.

Furthermore, an extension part is arranged on the swing rod, and the pressure bearing part is arranged on the extension part and is matched with the lower pressing part to be clamped.

Furthermore, the swing rod is provided with a mounting seat, and the pushing part is movably mounted on the mounting seat, so that the pushing part elastically pushes the workpiece.

Further, a containing cavity is formed in the mounting seat, the pushing portion is a push rod penetrating through the containing cavity, and a first elastic piece sleeved on the push rod is installed in the containing cavity.

Furthermore, be equipped with spacing portion on the push rod, be equipped with spacing hole on the lateral wall in holding chamber, spacing portion cooperation slides and locates on spacing hole, first elastic component supports with spacing portion cooperation and leans on.

Furthermore, a second elastic piece is arranged between one end of the swing rod close to the bearing part and the fixed seat.

Furthermore, a positioning block for supporting the workpiece is mounted on the fixing seat, and the positioning block is arranged opposite to the pressing block and is located below the pressing block.

Furthermore, the fixing seat is provided with a guide block which is used for being in sliding fit with the workpiece, and the swing rod and the guide block are respectively positioned on two sides of the positioning block.

Further, a third elastic piece is arranged between the pressing block and the pressing cylinder.

Compared with the prior art the utility model discloses technical scheme's beneficial effect does:

the utility model provides a pair of but quick clamping's hydraulically operated fixture, when the drive depression bar moves down, the cooperation of the lower pressure portion of depression bar pushes down the splenium, makes the pendulum rod rotatory, and top pushing portion promotes the work piece and removes to the setpoint, and the compact heap compresses tightly the work piece with the fixing base cooperation after that. By applying a driving force to the pressing rod, the pushing and pressing actions can be realized successively under a fixed time difference, the workpiece is moved to a positioning point and then clamped and fixed, the action is stable, and the control is simple.

Drawings

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

Fig. 1 is a perspective view of a hydraulic clamp capable of being clamped quickly according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a hydraulic clamp capable of clamping quickly according to an embodiment of the present invention;

fig. 3 is a sectional view a-a of fig. 2.

The reference numbers are as follows:

1. the device comprises a fixed seat, 2, a pressing component, 21, a pressing rod, 211, a piston, 212, an upper pressing rod, 213, a piston rod, 214, a lower pressing block, 22, a pressing block, 22a, a positioning groove, 23, a lower pressing part, 24, a pressing cylinder, 24a, an air hole, 25, a third elastic piece, 26, a buffer gasket, 3, a pushing component, 31, a swinging rod, 31a, an extending part, 32, a bearing part, 33, a pushing part, 331, a limiting part, 34, an installation seat, 34a, an accommodating cavity, 34b, a limiting hole, 35, a first elastic piece, 36, a second elastic piece, 4, a positioning block, 5, a guide block, 100 and a workpiece.

Detailed Description

In order to better understand the invention for those skilled in the art and to define the claimed scope more clearly, the invention will be described in detail below with respect to certain specific embodiments of the invention. It should be noted that the following description is only a few examples of the present invention, and the specific and direct descriptions of the related structures are only for the convenience of understanding the present invention, and the specific features do not naturally and directly limit the scope of the present invention. Conventional alternatives and substitutions made by those skilled in the art in light of the teachings of the present disclosure should be considered as within the scope of the present disclosure.

The invention will be further explained with reference to the drawings and the specific embodiments.

Example 1

As shown in fig. 1-3, the present invention provides a hydraulic clamp capable of fast clamping, which comprises a fixing base 1, a pressing component 2 and a pushing component 3, wherein the pressing component 2 comprises a pressing rod 21 and a pressing block 22, the pressing rod 21 is slidably disposed on the fixing base 1, one end of the pressing rod 21 is provided with the pressing block 22, the other end of the pressing rod 21 is provided with a pressing portion 23, a gap is left between the pressing block 22 and the surface of the fixing base 1 to form a workpiece clamping space, the pushing component 3 comprises a swing rod 31 hinged on the fixing base 1, one end of the swing rod 31 is provided with a pressing portion 32, the other end of the swing rod 31 is provided with a pushing portion 33 for pushing the workpiece 100, when the pressing rod 21 is driven to move downwards, the pressing part 23 of the pressing rod 21 cooperates with the pressing part 32 to rotate the swing rod 31, the pushing part 33 pushes the workpiece 100 to move to a positioning point, and then the pressing block 22 cooperates with the fixing seat 1 to press the workpiece 100.

As shown in fig. 3, preferably, the pressing assembly 2 includes a pressing cylinder 24, an upper pressing rod 212 is disposed on a piston 211 in the pressing cylinder 24, the upper pressing rod 212 sequentially passes through the pressing cylinder 24 and the fixing base 1 to be connected with the pressing block 22, a lower pressing block 214 is disposed on a piston rod 213 of the pressing cylinder 24, the lower pressing portion 23 is disposed on the lower pressing block 214, an air hole 24a is disposed on a side wall of the pressing cylinder 24, and the piston 211, the piston rod 213, the upper pressing rod 212 and the lower pressing block 214 in the pressing cylinder 24 constitute a pressing rod 21. Wherein the piston rod is slidably disposed through the hold-down cylinder 24.

The upper pressure rod 212 and the lower pressure block 214 can act simultaneously through the movement of the piston rod 213, and the clamping efficiency can be improved.

Specifically, the two upper pressing rods 212 are arranged oppositely, and two groups of upper pressing rods are arranged at intervals, so that the plurality of workpieces 100 can be clamped and fixed.

Preferably, the upper ends of the upper pressing rods 212 are provided with threads, and the pressing block 22 is mounted on the two upper pressing rods 212 through nuts.

Further, a sealing plate is arranged at the upper end of the pressing cylinder 24, a guide plate is arranged at the lower end of the pressing cylinder 24, the upper pressing rod 212 is arranged on the sealing plate, the piston rod 213 is arranged on the guide plate in a penetrating manner, and the lower pressing block 214 is positioned outside the pressing cylinder 24.

Specifically, the swing link 31 is provided with an extending portion 31a, and the pressure-bearing portion 32 is disposed on the extending portion 31a and is engaged with the pressing portion 23.

Further, the pressure-bearing portion 32 is a protrusion, the pressing portion 23 is a pressing step matched with the protrusion, and the height of the pressing step from the upper surface of the protrusion 32 is smaller than the height of the positioning groove 22a from the upper surface of the workpiece 100, so that the workpiece 100 is pushed first and then the workpiece 100 is clamped.

Specifically, a third elastic member 25 is disposed between the pressing block 22 and the pressing cylinder 24. When the clamping device is used for clamping the workpiece 100, an elastic clamping force is formed on the workpiece 100, so that the clamping is more stable, and the workpiece 100 is prevented from being damaged by clamping.

Preferably, the third elastic element 25 is installed on the lower surface of the pressing block 22 and sleeved on the upper pressing rod 212, and the buffer washer 26 sleeved on the upper pressing rod 212 is arranged on the third elastic element 25.

Further, a cushion washer 26 is located above the fixing base 1.

Preferably, a positioning block 4 for supporting the workpiece 100 is mounted on the fixed seat 1, and the positioning block 4 is disposed opposite to the pressing block 22 and below the pressing block 22.

Specifically, the pressing block 22 is provided with a positioning groove 22a opposite to the positioning block 4. The clamping block 22 is prevented from sliding relative to the workpiece 100 during clamping.

Preferably, the fixed seat 1 is provided with a guide block 5 for sliding fit with the workpiece 100, and the swing rod 31 and the guide block 5 are respectively located at two sides of the positioning block 4. The moving path of the workpiece 100 is guided to be moved more smoothly.

Specifically, a cavity is arranged in the fixed seat 1, and the lower end of the swing rod 31 and the pressing cylinder 24 are arranged in the cavity.

Preferably, the swing link 31 is provided with a mounting seat 34, and the pushing portion 33 is movably mounted on the mounting seat 34, so that the pushing portion 33 elastically pushes the workpiece 100.

Specifically, an accommodating cavity 34a is formed in the mounting seat 34, the pushing portion 33 is a push rod penetrating through the accommodating cavity 34a, and a first elastic member 35 sleeved on the push rod is installed in the accommodating cavity 34 a. Wherein the push rod is T-shaped.

The first elastic element 35 elastically pushes the workpiece 100, so that the oscillating bar 31 is prevented from swinging too fast to impact the workpiece 100 and causing external damage to the workpiece 100.

Preferably, the push rod is provided with a limiting portion 331, the sidewall of the accommodating cavity 34a is provided with a limiting hole 34b, the limiting portion 331 is slidably disposed in the limiting hole 34b, and the first elastic element 35 is abutted to the limiting portion 331. Wherein, spacing portion 331 is spacing bolt, easy to assemble and dismantle the push rod.

Further, a second elastic element 36 is arranged between one end of the oscillating bar 31 close to the bearing part 32 and the fixed seat 1.

When the piston rod 213 on the pressing cylinder 24 is reset, the swing rod 31 collides with the fixed seat 1, and mechanical damage to the swing rod 31 is avoided.

The utility model provides a pair of but quick clamping's hydraulically operated fixture, its theory of operation as follows: firstly, a workpiece 100 is placed on the positioning block 4 and the guide block 5, the pressing cylinder 24 is started to perform pressing operation, the piston rod 213 moves downwards to drive the pressing part 23 to press the bump to move downwards, the swing rod 31 swings to enable the pushing part 33 to move rightwards to push the workpiece 100 to slide rightwards along the guide block 5 to the positioning point, and the upper pressing rod 212 drives the pressing block 22 to move downwards to enable the positioning groove 22a to press the workpiece 100.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a but quick clamping's hydraulic fixture which characterized in that: the workpiece clamping device comprises a fixing seat (1), a pressing component (2) and a pushing component (3), wherein the pressing component (2) comprises a pressing rod (21) and a pressing block (22), the pressing rod (21) is arranged on the fixing seat (1) in a sliding and penetrating mode, the pressing block (22) is arranged at one end of the pressing rod (21), a pressing part (23) is arranged at the other end of the pressing rod (21), a gap is reserved between the pressing block (22) and the surface of the fixing seat (1) to form a workpiece clamping space, the pushing component (3) comprises a swinging rod (31) hinged to the fixing seat (1), a bearing part (32) is arranged at one end of the swinging rod (31), a pushing part (33) used for pushing a workpiece (100) is arranged at the other end of the swinging rod (31), and when the pressing rod (21) is driven to move downwards, the pressing part (23) of the pressing rod (21) is matched with the bearing part (32) to press downwards, the swing rod (31) is rotated, the pushing part (33) pushes the workpiece (100) to move to a positioning point, and then the pressing block (22) is matched with the fixed seat (1) to press the workpiece (100).

2. The quick-clamping hydraulic clamp of claim 1, wherein: the pressing assembly (2) comprises a pressing cylinder (24), an upper pressing rod (212) is arranged on a piston (211) in the pressing cylinder (24), the upper pressing rod (212) sequentially penetrates through the pressing cylinder (24) and a fixing seat (1) to be connected with a pressing block (22), a pressing block (214) is arranged on a piston rod (213) of the pressing cylinder (24), a pressing portion (23) is arranged on the pressing block (214), an air hole (24a) is formed in the side wall of the pressing cylinder (24), and the piston (211), the piston rod (213), the upper pressing rod (212) and the pressing block (214) in the pressing cylinder (24) form a pressing rod (21).

3. The quick-clamping hydraulic clamp of claim 2, wherein: the swing rod (31) is provided with an extending part (31a), and the pressure bearing part (32) is arranged on the extending part (31a) and is matched and clamped with the pressing part (23).

4. A quick-clamping hydraulic clamp as claimed in claim 1 or 3, wherein: the swing rod (31) is provided with an installation seat (34), and the pushing part (33) is movably installed on the installation seat (34) so that the pushing part (33) elastically pushes the workpiece (100).

5. The quick-clamping hydraulic clamp of claim 4, wherein: the mounting base (34) is internally provided with an accommodating cavity (34a), the pushing part (33) is a push rod penetrating through the accommodating cavity (34a), and a first elastic piece (35) sleeved on the push rod is installed in the accommodating cavity (34 a).

6. The quick-clamping hydraulic clamp of claim 5, wherein: the push rod is provided with a limiting portion (331), the side wall of the accommodating cavity (34a) is provided with a limiting hole (34b), the limiting portion (331) is arranged on the limiting hole (34b) in a sliding mode in a matched mode, and the first elastic piece (35) is abutted to the limiting portion (331) in a matched mode.

7. A quick-clamping hydraulic clamp as claimed in claim 1 or 3, wherein: a second elastic piece (36) is arranged between one end of the swing rod (31) close to the bearing part (32) and the fixed seat (1).

8. The quick-clamping hydraulic clamp of claim 1, wherein: the fixing seat (1) is provided with a positioning block (4) used for supporting a workpiece (100), and the positioning block (4) is arranged opposite to the pressing block (22) and is positioned below the pressing block (22).

9. The quick-clamping hydraulic clamp of claim 8, wherein: the fixing seat (1) is provided with a guide block (5) which is in sliding fit with the workpiece (100), and the swing rod (31) and the guide block (5) are respectively positioned on two sides of the positioning block (4).

10. The quick-clamping hydraulic clamp of claim 2, wherein: and a third elastic piece (25) is arranged between the pressing block (22) and the pressing cylinder (24).