CN222858849U - Hydraulic press - Google Patents

Abstract

The utility model discloses a hydraulic press, comprising a machine body, a workbench arranged on the machine body, an intermediate beam slidably arranged on the machine body and reciprocating toward the workbench, a hydraulic cylinder arranged on the machine body and connected to the intermediate beam, and a mold arranged between the workbench and the intermediate beam, wherein the mold comprises a fixed lower mold arranged on the workbench and a movable upper mold arranged on the intermediate beam, a placement area for placing the product to be processed is formed on the fixed lower mold, a plurality of fixed claws for fixing the product to be processed are hinged on the fixed lower mold, a control handle is movably arranged on the fixed lower mold, and a linkage component for controlling the movement of each fixed claw through the control handle is connected between the control handle and the plurality of fixed claws. The utility model has the following advantages and effects: the utility model can realize convenient alignment and fixation of the product to be processed, thereby reducing the workload and improving the production efficiency of the hydraulic press.

Description

Hydraulic press

Technical Field

The utility model relates to machining equipment, in particular to a hydraulic machine.

Background

Hydraulic presses are machines that use hydrostatic pressure to process products such as metal, plastic, rubber, wood, powder, etc. It is commonly used in pressing and forming processes such as forging, stamping, cold extrusion, straightening, bending, flanging, sheet drawing, powder metallurgy, press fitting, and the like. The principle of the hydraulic pressure driving machine is that the hydraulic pressure driving machine is manufactured by using Pascal's law, and the hydraulic pressure driving machine is of various types. Of course, the uses are also diverse. There are two main types, i.e. oil presses and hydraulic presses, according to the type of liquid that is to be transferred.

The existing hydraulic press comprises a machine body, a workbench arranged on the machine body, a middle beam which is arranged on the machine body in a sliding manner and moves towards the workbench in a reciprocating manner, a hydraulic cylinder which is arranged on the machine body and drives the middle beam to move, a die arranged between the workbench and the middle beam, and a fixing assembly used for positioning a product to be processed. The die comprises a fixed lower die arranged on the operation table and a movable upper die arranged on the middle beam, and the fixed assembly comprises a plurality of pressing blocks and bolts and nuts for connecting each pressing block with the operation table. And placing the product to be processed above the fixed lower die, pressing and fixing the product to be processed through the pressing block matched with the bolt and the nut after aligning the position between the product to be processed and the fixed lower die, and then punching and compacting through the upper die and the lower die to realize accurate processing. The fixing mode of matching the bolts and nuts with the pressing blocks is complex in operation and large in workload, and the production efficiency of the hydraulic press is greatly reduced. According to the above problems, the present invention is developed.

Disclosure of utility model

The utility model aims to provide a hydraulic machine, which can realize convenient alignment and fixation of a product to be processed, so as to reduce the workload and improve the production efficiency of the hydraulic machine.

The hydraulic press comprises a machine body, a working table arranged on the machine body, a middle beam slidingly arranged on the machine body and capable of reciprocating towards the working table, a hydraulic cylinder arranged on the machine body and connected with the middle beam, and a die arranged between the working table and the middle beam, wherein the die comprises a fixed lower die arranged on the working table and a movable upper die arranged on the middle beam, a placing area for placing a product to be processed is formed on the fixed lower die, a plurality of fixed claws for fixing the product to be processed are hinged on the fixed lower die, a control handle is movably arranged on the fixed lower die, and a linkage assembly for controlling the action of each fixed claw through the control handle is connected between the control handle and the fixed claws.

Through adopting above-mentioned technical scheme, place the product of waiting to process in the place district of fixed lower mould and counterpoint well wait to process the position between product and the fixed lower mould, then the linkage subassembly that operation control handle cooperation set up controls the fixed claw centre gripping and fixes and wait to process the product to this realizes the convenient counterpoint fixed to substituting the processing product, reduces work load, promotes the production efficiency of hydraulic press.

The control handle synchronously controls each fixed claw to reciprocate towards one side of the placement area through the linkage assembly.

Through adopting above-mentioned technical scheme, around setting up and cooperation synchronous control structure make the stationary dog to treat the in-process of processing product at the fixed product of waiting of centre gripping and carry out centering counterpoint for wait to process the product and need not the manual centering counterpoint operation of carrying out of manual work when placing in placing the region, make the operation more convenient.

The linkage assembly comprises a linkage wheel, a plurality of links, an ejection spring and a plurality of ejection inclined planes, wherein the linkage wheel is rotatably arranged in a fixed lower die and connected with a control handle, the links are slidably arranged in the fixed lower die and are communicated with a fixed jaw and the linkage wheel, the ejection spring drives each fixed jaw to rotate in a reverse placement area, the ejection inclined planes are formed on the linkage wheel and correspond to each link, the links are in one-to-one correspondence with the fixed jaws, and the ejection inclined planes drive the links to move towards the fixed jaws.

Through adopting above-mentioned technical scheme, control handle drive linkage wheel rotates, drives the link through the ejecting inclined plane that sets up and moves towards fixed jaw one side and offset fixed jaw and make it around articulated department towards placing district one side rotation to this realizes the centre gripping fixed to placing the district in waiting to process the product. When the force acting on the control handle is released, the separation of the fixed claw and the product to be processed is realized under the action of the ejection spring.

The push-out inclined surfaces are arranged on the outer peripheral wall of the linkage wheel, one end of each push-out inclined surface is excessively connected with the outer peripheral wall of the linkage wheel along the rotation direction of the linkage wheel, and the other end of each push-out inclined surface is gradually protruded outwards.

Through adopting above-mentioned technical scheme, this kind of arrangement structure makes ejecting inclined plane can realize the stable drive to the link, and the structure is more reliable.

The fixed lower die is further provided with a jacking hole communicated with the placement area and the control handle, and an ejection assembly linked with the control handle is arranged in the jacking hole.

Through adopting above-mentioned technical scheme, the control handle is fixed towards the centre gripping that one side normal running fit set up with the fixed jaw realization treat the processed product, accomplishes the stamping processing of product back, resets the control handle and releases the fixed jaw to the fixed of product, rotates control handle towards the opposite side afterwards, places the district with the product jack-up through the ejecting subassembly of setting to the separation operation in product and place the district makes the operation more convenient.

The ejection assembly is further arranged to comprise an ejector block which is arranged in the ejector hole in a sliding mode and reciprocates between the placement area and the control handle, a spiral inclined plane formed at one end of the ejector block, which faces the control handle, and a lug which is connected with the control handle and rotates around the spiral inclined plane, and the ejector hole limits circumferential rotation of the ejector block.

Through adopting above-mentioned technical scheme, control handle drive lug rotates, offsets the different positions on spiral inclined plane through the lug and changes the height of kicking block to this jack-up operation of accomplishing.

In summary, the utility model has the following beneficial effects that the utility model can realize convenient alignment and fixation of the product to be processed, thereby reducing the workload and improving the production efficiency of the hydraulic press.

Drawings

FIG. 1 is a schematic diagram of an embodiment;

FIG. 2 is a schematic partial structure of an embodiment;

FIG. 3 is a partial cross-sectional view of an embodiment;

FIG. 4 is another partial schematic view of an embodiment;

FIG. 5 is another partial cross-sectional view of an embodiment;

fig. 6 is a schematic structural diagram of a top block in an embodiment.

1, A machine body; 2, an operation table, 3, an intermediate beam, 4, a hydraulic cylinder, 5, a die, 51, a fixed lower die, 52, a movable upper die, 6, a placement area, 7, a fixed claw, 8, a control handle, 91, a linkage wheel, 92, a link rod, 93, an ejection spring, 94, an ejection inclined plane, 10, an ejection hole, 11, an ejection block, 12, a spiral ejection inclined plane, 13, a bump, 14 and a product.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 6, a hydraulic press includes a machine body 1, a table 2 fixedly provided to the machine body 1, an intermediate beam 3 slidably provided to the machine body 1 and reciprocally moving toward the table 2, a hydraulic cylinder 4 provided to the machine body 1 and connected to the intermediate beam 3, and a die 5 fixedly provided between the table 2 and the intermediate beam 3. The hydraulic cylinder 4 is fixedly arranged on the machine body 1, and a piston rod is fixedly connected with the middle beam 3. The mold 5 includes a fixed lower mold 51 fixedly provided to the work table 2 and a movable upper mold 52 fixedly provided to the intermediate beam 3, and a placement area 6 for placing the product 14 to be processed is formed on the fixed lower mold 51. The outer side wall of the fixed lower die 51 is hinged with a plurality of fixed claws 7 for fixing a product 14 to be processed, the fixed lower die 51 is movably provided with a control handle 8, and a linkage assembly for controlling the action of each fixed claw 7 through the control handle 8 is connected between the control handle 8 and the fixed claws 7.

The fixed claws 7 are circumferentially distributed around the periphery of the placement area 6, and the control handle 8 synchronously controls each fixed claw 7 to reciprocate towards one side of the placement area 6 through the linkage assembly. The linkage assembly comprises a linkage wheel 91 which is rotatably arranged in the fixed lower die 51 and fixedly connected with the control handle 8, a plurality of link rods 92 which are slidably arranged in the fixed lower die 51 and are communicated with the fixed claws 7 and the linkage wheel 91, an ejection spring 93 which drives each fixed claw 7 to rotate in a reverse placement area 6, and a plurality of ejection inclined planes 94 which are integrally formed in the linkage wheel 91 and correspond to each link rod 92, wherein the plurality of link rods 92 are arranged in one-to-one correspondence with the plurality of fixed claws 7, and the ejection inclined planes 94 drive the link rods 92 to prop against the fixed claws 7.

One end of the ejection spring 93 is fixedly connected with the fixed claw 7, the other end is fixedly connected with the fixed lower die 51, and the free end of the control handle 8 extends out of the fixed lower die 51. Each ejection inclined surface 94 is disposed on the outer peripheral wall of the coupling wheel 91, and two ends of each ejection inclined surface 94 along the rotation direction of the coupling wheel 91 are provided with one end in transition connection with the outer peripheral wall of the coupling wheel 91, and the other end is gradually protruded outwards.

The fixed lower die 51 is provided with a jacking hole 10 which is communicated with the placement area 6 and the control handle 8, and an ejection assembly which is linked with the control handle 8 is arranged in the jacking hole 10. The ejection assembly comprises an ejection block 11 which is arranged in the ejection hole 10 in a sliding manner and reciprocates between the placement area 6 and the control handle 8, a spiral inclined surface 12 integrally formed on one end of the ejection block 11 facing the control handle 8, and a projection 13 integrally connected with the control handle 8 and rotating around the spiral inclined surface 12, wherein the ejection hole 10 limits the circumferential rotation of the ejection block 11.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims (6)

1. The hydraulic press comprises a machine body (1), a workbench (2) arranged on the machine body (1), a middle beam (3) arranged on the machine body (1) in a sliding manner and capable of reciprocating towards the workbench (2), a hydraulic cylinder (4) arranged on the machine body (1) and connected with the middle beam (3) and a die (5) arranged between the workbench (2) and the middle beam (3), wherein the die (5) comprises a fixed lower die (51) arranged on the workbench (2) and a movable upper die (52) arranged on the middle beam (3), a placement area (6) for placing a product to be processed (14) is formed on the fixed lower die (51), and the hydraulic press is characterized in that a plurality of fixed claws (7) for fixing the product to be processed (14) are hinged on the fixed lower die (51), a control handle (8) is movably arranged on the fixed lower die (51), and a linkage assembly for controlling actions of each fixed claw (7) through the control handle (8) is connected between the control handle (8).

2. The hydraulic machine according to claim 1, wherein the plurality of fixed claws (7) are circumferentially distributed around the outer periphery of the placement area (6), and the control handle (8) synchronously controls each fixed claw (7) to reciprocate towards one side of the placement area (6) through the linkage assembly.

3. The hydraulic machine according to claim 2, wherein the linkage assembly comprises a linkage wheel (91) rotatably arranged in the fixed lower die (51) and connected with the control handle (8), a plurality of link rods (92) slidably arranged in the fixed lower die (51) and communicated with the fixed claws (7) and the linkage wheel (91), an ejection spring (93) driving each fixed claw (7) to rotate in a reverse placement area (6), and a plurality of ejection inclined planes (94) formed in the linkage wheel (91) and corresponding to each link rod (92), wherein the plurality of link rods (92) are arranged in a one-to-one correspondence with the plurality of fixed claws (7), and the ejection inclined planes (94) drive the link rods (92) to move towards the fixed claws (7).

4. The hydraulic machine according to claim 3, wherein each of the ejection inclined surfaces (94) is provided on the outer peripheral wall of the interlocking wheel (91), and one end of each of the ejection inclined surfaces (94) is excessively connected to the outer peripheral wall of the interlocking wheel (91) along the rotation direction of the interlocking wheel (91) and the other end is gradually protruded outward.

5. The hydraulic machine according to claim 1, wherein the fixed lower die (51) is provided with a top hole (10) for communicating the placement area (6) with the control handle (8), and an ejection assembly linked with the control handle (8) is arranged in the top hole (10).

6. The hydraulic machine according to claim 5, wherein the ejector assembly comprises an ejector block (11) slidably disposed in the ejector hole (10) and reciprocally moving between the placement area (6) and the control handle (8), a spiral inclined surface (12) formed at one end of the ejector block (11) toward the control handle (8), and a projection (13) connected to the control handle (8) and rotating around the spiral inclined surface (12), and the ejector hole (10) restricts circumferential rotation of the ejector block (11).