CN209794626U

CN209794626U - Hydraulic press with lower die capable of being limited

Info

Publication number: CN209794626U
Application number: CN201920073667.2U
Authority: CN
Inventors: 王海宾
Original assignee: Beijing Zhongyi Hongyu Industry And Trade Co Ltd
Current assignee: Beijing Zhongyi Hongyu Industry And Trade Co Ltd
Priority date: 2019-01-16
Filing date: 2019-01-16
Publication date: 2019-12-17
Anticipated expiration: 2029-01-16

Abstract

The utility model relates to a hydraulic press that lower mould can be spacing, the test platform comprises a support, fixedly connected with is located on the frame the stand in frame four corners, it has the crossbeam that is on a parallel with the horizontal plane setting to slide the cooperation on the stand, the last fixed surface of crossbeam is connected with and is used for the propelling movement the pneumatic cylinder that the crossbeam slided, the bottom of crossbeam is slided and is connected with the mould, slide on the frame and be connected with the lower mould that is used for placing the hydraulic part, go up the mould and be provided with spacing subassembly on the lower mould, spacing subassembly including set up the recess of keeping away from lower mould one side on the last mould, slide the spring of the inner wall fixed connection of connecting limiting plate, one end and recess groove top in the recess and set up on the lower mould lateral wall and with limiting plate joint complex draw-in groove. The utility model discloses the effect of mould alignment accuracy about having the improvement.

Description

Hydraulic press with lower die capable of being limited

Technical Field

The utility model belongs to the technical field of the parts machining technique and specifically relates to a hydraulic press that lower mould can be spacing is related to.

Background

The hydraulic press is a machine for processing products such as metal, plastic, rubber, wood, powder and the like by using hydrostatic pressure. It is commonly used in pressing and press forming processes such as forging, stamping, cold extrusion, straightening, bending, flanging, sheet drawing, powder metallurgy, press fitting, etc. The hydraulic machine is generally composed of three parts, namely a machine body, a power system and a hydraulic control system. The hydraulic machines are mainly divided into valve hydraulic machines, liquid hydraulic machines and engineering hydraulic machines according to different working performances; the pressure-transmitting liquid can be classified into an oil press using oil as a working medium and a hydraulic press using water-based liquid as a working medium. The total pressure generated by the hydraulic press is larger, and the tonnage is higher than that of the hydraulic press, so that the hydraulic press is commonly used for forging and stamping. The forging hydraulic press is divided into a die forging hydraulic press and a free forging hydraulic press. The die forging hydraulic press uses a die, while the free forging hydraulic press does not use a die.

The hydraulic press comprises an upper die and a lower die, wherein the upper die and the lower die are connected with the hydraulic press in a sliding mode, and when the upper die slides to a proper position and is fixed, the lower die is moved to a position aligned with the upper die, so that hydraulic operation of a hydraulic part between the upper die and the lower die is facilitated. However, in the process of aligning the moving lower die with the upper die, deviation often occurs, and the deviation of the alignment of the upper die and the lower die affects the hydraulic effect of the hydraulic part.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hydraulic press that lower mould can be spacing, it has the effect that improves the alignment accuracy of lower mould.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a hydraulic press that lower mould can be spacing, includes the frame, fixedly connected with is located on the frame the stand in frame four corners, the cooperation of sliding on the stand has the crossbeam that is on a parallel with the horizontal plane setting, the last fixed surface of crossbeam is connected with and is used for the propelling movement the pneumatic cylinder that the crossbeam slided, the bottom of crossbeam slides and is connected with the mould, slide on the frame and be connected with the lower mould that is used for placing the hydraulic part, go up the mould and be provided with spacing subassembly on the lower mould, spacing subassembly including set up the recess of keeping away from lower mould one side on the last mould, slide the spring of the inner wall fixed connection of connecting limiting plate, one end and recess groove top in the recess and set up on the lower mould lateral wall and with limiting plate joint complex draw-in groove, the other.

Through adopting above-mentioned technical scheme, the limiting plate removes to certain position to the direction of keeping away from the recess under the supporting role of spring, removes the lower mould again, and when the lower mould moved to draw-in groove and limiting plate joint complex position, the stop removed the lower mould, and the mould corresponds with the lower mould position this moment to the accuracy of the alignment of lower mould has been improved.

The utility model discloses further set up to: the inner wall of the groove is provided with a sliding groove, and the side wall of the limiting plate is fixedly connected with a sliding block in sliding fit with the sliding groove.

Through adopting above-mentioned technical scheme, the setting of spout and slider is used for spacing for the limiting plate to prevent that the limiting plate from excessively sliding and coming off from the spout, and then the limiting plate that prevents to drop is difficult to reset.

The utility model discloses further set up to: the top of the limiting plate is provided with an insertion groove, a guide post with the top fixedly connected with the inner wall of the top of the groove is matched in the insertion groove in a sliding mode, and the spring is arranged around the guide post.

Through adopting above-mentioned technical scheme, the setting of guide post is used for avoiding the spring at the compression with the elasticity stretch the in-process crooked to avoid the spring to damage, with the life of this extension spring.

The utility model discloses further set up to: the limiting plate and the upper die are provided with positioning assemblies, and each positioning assembly comprises an insertion hole formed in the limiting plate, a positioning hole formed in the upper die and a positioning pin inserted in the positioning hole and penetrating through the insertion hole.

Through adopting above-mentioned technical scheme, after lower mould and last mould position are aimed at, shift up the limiting plate to certain height, make limiting plate and draw-in groove break away from, peg graft the locating pin into locating hole and jack downthehole for the limiting plate location again to avoid the limiting plate that slips to the recess outside to block the crossbeam and drive and go up the mould downstream.

The utility model discloses further set up to: and a storage door for placing the positioning pin is arranged on the side wall of the upper die on one side of the groove.

Through adopting above-mentioned technical scheme, when not using the locating pin, put into the storing door with the locating pin, avoid placing the locating pin at will and lead to the locating pin to lose.

the utility model discloses further set up to: the side wall of the limiting plate is fixedly connected with a bulge.

By adopting the technical scheme, the limiting plate is of a smooth plate-shaped structure, and the convenience of moving the limiting plate is improved due to the fact that the limiting plate is arranged in a protruding mode.

The utility model discloses further set up to: a first magnet is embedded in the limiting plate, and a second magnet which is magnetically attracted to the first magnet is embedded in the lower die.

Through adopting above-mentioned technical scheme, when the lower mould corresponds with last mould position, limiting plate and lower mould are closely laminated under the effect of magnetism of first magnet and second magnet to eliminate the clearance between the two, further improve the alignment accuracy between lower mould and the last mould.

The utility model discloses further set up to: the upper surface of lower mould fixedly connected with many stoppers that prevent that hydraulic pressure spare from deviating.

Through adopting above-mentioned technical scheme, when placing the hydraulic pressure piece on the lower mould, the setting of stopper is used for spacing for the hydraulic pressure piece, avoids hydraulic pressure in-process hydraulic pressure piece off the position and influence the hydraulic pressure effect.

to sum up, the utility model discloses a beneficial technological effect does:

1. The arrangement of the limiting assembly improves the alignment accuracy of the upper die and the lower die;

2. The sliding grooves and the sliding blocks are arranged for limiting the limiting plates, so that the limiting plates are prevented from being inclined when moving to influence the stability of the limiting plates;

3. The positioning assembly is arranged to prevent the limiting plate sliding to the outside of the groove from blocking the beam to drive the upper die to move downwards.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic cross-sectional view of the present embodiment;

Fig. 3 is a schematic cross-sectional structure diagram of the positioning assembly in this embodiment.

In the figure: 1. a machine base; 2. a column; 3. a cross beam; 4. a hydraulic cylinder; 5. an upper die; 6. a lower die; 61. a second magnet; 7. a limiting component; 71. a groove; 711. a chute; 72. a limiting plate; 721. a slider; 722. inserting grooves; 723. a guide post; 724. a protrusion; 725. a first magnet; 73. a spring; 74. a card slot; 8. a positioning assembly; 81. inserting holes; 82. positioning holes; 83. positioning pins; 9. a storage door; 10. and a limiting block.

Detailed Description

the present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a hydraulic press that lower mould can be spacing, including frame 1, stand 2, crossbeam 3 and pneumatic cylinder 4. The base 1 is positioned at the bottom of the hydraulic machine and is used for bearing all parts on the hydraulic machine. The stand 2 is circular column structure, and fixed connection has four on frame 1, and four stand 2 are located the four corners of frame 1 respectively. The crossbeam 3 is parallel to the horizontal plane and is arranged, and the four corners of the crossbeam 3 are connected with the four upright posts 2 in a sliding manner respectively. The piston rod inside the hydraulic cylinder 4 is fixedly connected with the upper surface of the cross beam 3, and the hydraulic cylinder 4 is used for pushing the cross beam 3 to slide along the vertical direction.

Referring to fig. 1, the lower surface of the cross beam 3 is connected with an upper die 5 in a sliding manner, the upper die 5 is matched with the cross beam 3 in a sliding manner through a T-shaped groove, and when the upper die 5 slides to a proper position, the upper die is fixed with the cross beam 3 through a bolt. The machine base 1 is connected with a lower die 6 in a sliding mode, the lower die 6 is matched with the machine base 1 in a sliding mode through a T-shaped groove, and the lower die 6 is fixed with the machine base 1 through bolts after sliding to a position aligned with the upper die 5. The lower die 6 is fixedly connected with four limiting blocks 10, and the four limiting blocks 10 are sequentially connected to form a rectangular area. After the upper die 5 and the lower die 6 are aligned, the hydraulic part is placed in a rectangular area formed by the four limiting blocks 10, so that the hydraulic part is limited by the four limiting blocks 10, and the hydraulic effect is prevented from being influenced by the displacement of the hydraulic part in the hydraulic process; the hydraulic cylinder 4 is activated and the upper die 5 is moved to a position where it collides with the hydraulic part, thereby pressing the hydraulic part.

Referring to fig. 2, the upper die 5 and the lower die 6 are provided with a limiting assembly 7, and the limiting assembly 7 includes a groove 71, a limiting plate 72, a spring 73 and a slot 74. The groove 71 has a rectangular cross section, has a length direction perpendicular to a horizontal plane, and is opened in a side wall of the upper die 5 on a side away from the lower die 6. The inner wall of the groove 71 is provided with a sliding groove 711, the section of the sliding groove 711 is rectangular, and the length direction of the sliding groove 711 is consistent with the length direction of the groove 71. The retainer plate 72 has a rectangular plate-like structure, has a length direction identical to that of the groove 71, and is slidably fitted to the groove 71. The side wall of the limit plate 72 is fixedly connected with a slide block 721, and the slide block 721 is in a rectangular block structure and is in sliding fit with the sliding groove 711; the sliding groove 711 and the sliding block 721 are used for limiting the sliding of the limiting plate 72 along the groove 71, so that the limiting plate 72 is prevented from falling off from the groove 71 due to excessive sliding and difficult resetting. Referring to fig. 1, fixedly connected with is protruding 724 on the great lateral wall of limiting plate 72 area, and protruding 724 is rectangle massive structure, and the handheld protruding 724 of operating personnel removes limiting plate 72 to the convenience when improving removal limiting plate 72. One end of the spring 73 is fixedly connected to the inner wall of the top of the groove 71, and the other end is fixed to the upper surface of the limit plate 72, so as to lift the limit plate 72 and provide support for the limit plate 72. The clamping groove 74 is rectangular in cross section, is arranged on the side wall of the lower die 6, and is clamped and matched with the bottom of the limiting plate 72. Limiting plate 72 slides to the outside of recess 71, and horizontal migration lower mould 6 when lower mould 6 removed to draw-in groove 74 and limiting plate 72 joint complex position, stops to remove lower mould 6, goes up mould 5 and lower mould 6 position at this moment and corresponds to the accuracy that goes up mould 5 and lower mould 6 alignment has been improved.

Referring to fig. 2, the upper surface of the stopper plate 72 is provided with an insertion groove 722, and the insertion groove 722 has a circular cross section and extends from the upper surface of the stopper plate 72 to the inside of the stopper plate 72. A guide post 723 is slidably fitted in the insertion groove 722, the guide post 723 is a circular columnar structure, the top of the guide post 723 is fixedly connected with the inner wall of the top of the groove 71, and the spring 73 is arranged around the periphery of the guide post 723. The guide 723 is provided to prevent the spring 73 from being skewed during compression and extension, thereby preventing the spring 73 from being damaged, thereby extending the life of the spring 73.

Referring to fig. 2, a first magnet 725 is fitted into the stopper plate 72, and the first magnet 725 has a rectangular block structure, has magnetic properties, and is located below the stopper plate 72. The second magnet 61 is embedded in the lower die 6, the second magnet 61 is in a rectangular block structure and is arranged close to the side wall of the clamping groove 74, and the second magnet 61 and the first magnet 725 are magnetically attracted. When the lower die 6 corresponds to the upper die 5, the position-limiting plate 72 and the lower die 6 are tightly attached to each other under the magnetic attraction of the first magnet 725 and the second magnet 61, so that the gap between the two is eliminated, and the alignment accuracy between the lower die 6 and the upper die 5 is further improved.

Referring to fig. 3, the upper die 5 and the limiting plate 72 are provided with a positioning assembly 8, and the positioning assembly 8 includes an insertion hole 81, a positioning hole 82 and a positioning pin 83. The insertion hole 81 has a circular cross section, is provided in the stopper plate 72, and penetrates the stopper plate 72 in the thickness direction of the stopper plate 72. The positioning hole 82 is opened on the upper mold 5, and when the position-limiting plate 72 moves to a certain position, the positioning hole 82 is communicated with the insertion hole 81. The positioning pin 83 is a circular column structure, and penetrates through the insertion hole 81 and the positioning hole 82, so as to position the stopper plate 72 moving up to a certain position.

Referring to fig. 1 and 2, the sidewall of the upper mold 5 is provided with a storage door 9, the storage door 9 is arranged on one side of the groove 71, a storage cavity is arranged in the storage door 9, and the storage cavity is used for placing a positioning pin 83. When the positioning pin 83 is not used, the positioning pin 83 is placed at a position closer to the groove 71, so that on one hand, taking is facilitated, and on the other hand, the positioning pin 83 is prevented from being lost.

The implementation principle of the embodiment is as follows: handheld protruding 724 moves limiting plate 72 to the direction of keeping away from recess 71 until slider 721 contacts with the bottom of spout 711, removes lower mould 6, when lower mould 6 moved to draw-in groove 74 and limiting plate 72 joint complex position, stops to remove lower mould 6, and it corresponds with lower mould 6 position to go up mould 5 this moment to the accuracy of going up mould 5 and lower mould 6 alignment has been improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a hydraulic press that lower mould can be spacing, includes frame (1), its characterized in that: the automatic hydraulic press is characterized in that a stand column (2) is fixedly connected to the base (1) and located at four corners of the base (1), a cross beam (3) arranged in a horizontal plane is matched in a sliding mode on the stand column (2), a hydraulic cylinder (4) used for pushing the cross beam (3) to slide is fixedly connected to the upper surface of the cross beam (3), an upper die (5) is connected to the bottom of the cross beam (3) in a sliding mode, a lower die (6) used for placing hydraulic parts is connected to the base (1) in a sliding mode, a limiting component (7) is arranged on the upper die (5) and arranged on the lower die (6), a limiting plate (72) connected to the inner wall of the groove top of the groove (71) in a sliding mode, a spring (73) fixedly connected to one end of the inner wall of the groove top of the groove (6) and a clamping groove (74) matched with the limiting plate (72) in a clamping mode is arranged on the side wall of, the other end of the spring (73) is fixedly connected with the upper surface of the limiting plate (72).

2. The hydraulic machine with the position-limitable lower die as claimed in claim 1, wherein: a sliding groove (711) is formed in the inner wall of the groove (71), and a sliding block (721) in sliding fit with the sliding groove (711) is fixedly connected to the side wall of the limiting plate (72).

3. The hydraulic machine with the position-limitable lower die as claimed in claim 1, wherein: the top of the limiting plate (72) is provided with an insertion groove (722), the insertion groove (722) is internally matched with a guide column (723) with the top fixedly connected with the inner wall of the top of the groove (71) in a sliding manner, and the spring (73) is arranged around the guide column (723).

4. The hydraulic machine with the position-limitable lower die as claimed in claim 1, wherein: the positioning device is characterized in that the limiting plate (72) and the upper die (5) are provided with positioning components (8), and each positioning component (8) comprises an insertion hole (81) formed in the limiting plate (72), a positioning hole (82) formed in the upper die (5) and a positioning pin (83) inserted in the positioning hole (82) and penetrating through the insertion hole (81).

5. The hydraulic machine with the lower die capable of limiting as claimed in claim 4, wherein: and a storage door (9) used for placing the positioning pin (83) is arranged on the side wall of the upper die (5) on one side of the groove (71).

6. the hydraulic machine with the position-limitable lower die as claimed in claim 1, wherein: the side wall of the limit plate (72) is fixedly connected with a bulge (724).

7. the hydraulic machine with the position-limitable lower die as claimed in claim 1, wherein: a first magnet (725) is embedded in the limiting plate (72), and a second magnet (61) which is magnetically attracted to the first magnet (725) is embedded in the lower die (6).

8. The hydraulic machine with the position-limitable lower die as claimed in claim 1, wherein: the upper surface of the lower die (6) is fixedly connected with a plurality of limiting blocks (10) for preventing the hydraulic part from running.