CN213052582U

CN213052582U - Special die for hydraulic machine

Info

Publication number: CN213052582U
Application number: CN202021031630.2U
Authority: CN
Inventors: 吕德盛; 吕彬
Original assignee: Sichuan Gelite New Material Technology Co ltd
Current assignee: Sichuan Gelite New Material Technology Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-04-27
Anticipated expiration: 2030-06-08

Abstract

The utility model discloses a special die for a hydraulic press, which comprises a mounting seat, wherein a base is arranged at the upper end of the mounting seat, hydraulic rods are arranged at the upper ends of two sides of the base, a damping device is arranged at the upper end of the base and comprises a damping spring, a telescopic rod, a connecting block, a wedge block, a trapezoidal seat, a telescopic pipe, a damping seat and a spring rod, the damping seat is fixedly arranged at the upper end of the base, the telescopic rod is fixedly arranged at the middle part of the damping seat, the connecting block is arranged at the upper end of the telescopic rod, the damping spring is fixedly connected with the lower sides of the bottoms of the two ends of the connecting block and is fixedly arranged at the upper end of the base, the upper end of the connecting block is provided with the trapezoidal seat, a lower die is arranged at the upper end, the mould is convenient to disassemble, and the service life is prolonged.

Description

Special die for hydraulic machine

Technical Field

The utility model belongs to the technical field of the mould, specifically be a special mould of hydraulic press.

Background

A hydraulic machine (also known as oil press) is a machine for processing products such as metal, plastic, rubber, wood, powder and the like by utilizing hydrostatic pressure. It is commonly used in press processes and press forming processes, such as: forging, stamping, cold extruding, straightening, bending, flanging, sheet drawing, powder metallurgy, press fitting and the like. The principle of the hydraulic transmission mechanism is that the hydraulic transmission mechanism is made by using the Pascal law and has a plurality of types. Of course, the use is also diverse as required. For example, the pressure-transmitting fluid may be classified into two types, i.e., an oil press and a water press.

The mould of current hydraulic press is difficult for dismantling, moreover, hits the punching press material in-process at the hydraulic press, can produce very big vibrations, damages the problem of bed die and last mould easily, and does not install corresponding buffer to the bed die of placing the forged and pressed object, very easily causes the damage to the bed die at long-time punching press in-process, causes property damage and the delay of engineering progress.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems proposed above, a special die for a hydraulic machine is provided.

The utility model adopts the technical scheme as follows: a special die for a hydraulic press comprises a mounting seat, wherein a base is arranged at the upper end of the mounting seat, hydraulic rods are arranged at the upper ends of two sides of the base, a damping device is arranged at the upper end of the base and comprises a damping spring, a telescopic rod, a connecting block, a wedge block, a trapezoidal seat, a telescopic pipe, a damping seat and a spring rod, the damping seat is fixedly arranged at the upper end of the base, the telescopic rod is fixedly arranged at the middle part of the damping seat, the connecting block is arranged at the upper end of the telescopic rod, the damping spring is fixedly connected with the lower sides of the bottoms of the two ends of the connecting block, the bottom of the damping spring is fixedly arranged at the upper end of the base, the trapezoidal seat is arranged at the upper end of the connecting block, a lower die is arranged at the upper end of the trapezoidal seat, the utility model discloses a fixing device for fixing a beam column, including crossbeam post, connecting rod, fixing device, shock attenuation board, fixing device outer end is provided with hydraulic tank, the hydraulic tank bottom is provided with the connecting rod, the connecting rod lower extreme is provided with fixing device, fixing device includes first screw hole, slot, shock attenuation board and fixed picture peg, first screw hole has been seted up at fixed picture peg both ends downside middle part, the slot has been seted up to fixed picture peg bottom, the inside shock attenuation board that is provided with of slot, the mould is installed through.

In a preferred embodiment, the upper die comprises an upper die plate, a second threaded hole and an insert block, the upper die plate is installed in the middle of the fixing device through the second threaded hole and the fixing screw threads, and the insert block is arranged at two ends of the upper side of the upper die plate.

In a preferred embodiment, the insertion block is rectangular, the size of the insertion block is the same as that of the slot, and the insertion block and the slot form an insertion fixing structure.

In a preferred embodiment, the first and second screw holes have the same screw thread as the fixing screw, and the first and second screw holes and the fixing screw form a screw fixing structure.

In a preferred embodiment, the damping devices are two groups, the damping devices are symmetrical relative to the axis of the lower die, and the lower die and the upper die are arranged in parallel relatively.

In a preferred embodiment, the wedge blocks are positioned at two ends of the bottom of the trapezoidal seat, and the two wedge blocks are in an axisymmetrical structure which is relative to the trapezoidal seat.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, the telescopic link of connecting block bottom is flexible, plays the buffering effect to the bed die device under telescopic link and damping spring's the bounce-back effect, and when the stop work, under the bounce-back effect of damping spring, spring beam, wedge and trapezoidal seat reset, have improved the life of bed die.

2. The utility model discloses in, with the inserted block with the slot installation together, improved the precision of installation, then through the fixed of set screw with first screw hole and second screw hole, realized the fixed of mould, the inside shock attenuation that is provided with of slot has improved the buffering effect of cope match-plate pattern in addition when the punching press.

Drawings

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

fig. 2 is an enlarged schematic diagram of the structure at a of the present invention;

FIG. 3 is a schematic diagram of the cross-sectional structure of the upper mold of the present invention;

fig. 4 is a schematic diagram of a cross-sectional structure of the fixing device of the present invention.

The labels in the figure are: 1-mounting seat, 3-hydraulic rod, 4-mounting seat, 5-base, 6-lower die, 7-upper die, 701-insert block, 702-second threaded hole, 703-upper die plate, 8-fixing screw, 9-fixing screw, 901-fixing insert plate, 902-first threaded hole, 903-slot, 904-shock-absorbing plate, 10-connecting rod, 11-hydraulic oil tank, 12-shock-absorbing spring, 13-telescopic rod, 14-connecting block, 15-shock-absorbing seat, 16-spring rod, 17-telescopic pipe, 18-trapezoidal seat and 19-wedge block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-3, a special die for a hydraulic press comprises an installation base 4, a base 5 is arranged at the upper end of the installation base 4, hydraulic rods 3 are arranged at the upper ends of two sides of the base 5, a damping device A is arranged at the upper end of the base 5, the damping device A comprises a damping spring 12, a telescopic rod 13, a connecting block 14, a wedge-shaped block 19, a trapezoidal base 18, a telescopic pipe 17, a damping base 15 and a spring rod 16, the damping base 15 is fixedly arranged at the upper end of the base 5, the telescopic rod 13 is fixedly arranged at the middle part of the damping base 15, the connecting block 14 is arranged at the upper end of the telescopic rod 13, the damping spring 12 is fixedly connected to the lower side of the bottom of two ends of the connecting block 14, the bottom of the damping spring 12 is fixedly arranged at the upper end of the base 5, the trapezoidal base 18, the top end of the extension tube 17 is provided with a wedge block 19, the wedge block 19 can extrude the spring rod 16 in the moving process to drive the wedge block 19 to move towards two ends, the extension rod 13 at the bottom of the connecting block 14 extends and contracts, the extension rod 13 and the damping spring 12 have a buffering effect on the lower die 6 device, when the operation is stopped, the wedge block 19 and the trapezoid seat 18 reset under the action of the damping spring 12 and the spring rod 16, the service life of the lower die 7 is prolonged, the upper end of the hydraulic rod 3 is provided with a cross beam column 1, the upper end of the cross beam column 1 is provided with a hydraulic oil tank 11, the bottom of the hydraulic oil tank 11 is provided with a connecting rod 10, the lower end of the connecting rod 10 is provided with a fixing device 9, the fixing device 9 comprises a first threaded hole 902, a slot 903, a damping plate 904 and a fixing insertion plate 901, the middle part of the lower sides of the two ends of the, the inside shock attenuation board 904 that is provided with of slot 903, mould 7 is installed through set screw 8 screw thread to the fixing device 9 outer end.

It should be noted that the upper die 7 includes an upper die plate 703, a second threaded hole 702 and an insert block 701, the upper die plate 703 is installed in the middle of the fixing device 9 through the second threaded hole 702 and the fixing screw 8, the insert block 701 is installed at both ends of the upper side of the upper die plate 703, the insert block 701 and the slot 903 are installed together, the installation accuracy is improved, and then the fixing of the upper die 7 is realized through the fixing of the fixing screw 9 and the first threaded hole 902 and the second threaded hole 702.

The insert block 701 is rectangular, the insert block 701 and the slot 903 are the same in shape and size, and the insert block 701 and the slot 903 form an inserting and fixing structure.

The first screw hole 902 and the second screw hole 702 have the same screw thread as the fixing screw 8, and the first screw hole 902 and the second screw hole 702 form a screw thread fixing structure with the fixing screw 8.

The two sets of damping devices a are provided, the damping devices a have an axisymmetric structure with respect to the lower die 6, and the lower die 6 and the upper die 7 are disposed in parallel to each other.

It should be noted that the wedge blocks 19 are located at two ends of the bottom of the trapezoidal seat 18, and the two wedge blocks 19 are axisymmetrical structures which are axial with respect to the trapezoidal seat 18.

The working principle is as follows: when the device is used, firstly, an external power supply is connected, then the hydraulic oil tank 11 drives the hydraulic rod 3 to move, the hydraulic rod 3 descends to drive the upper die 7 to descend, the lower die 6 is punched through the upper die 7 to stamp and forge an object, meanwhile, when the device is impacted, two sides of the trapezoidal seat 18 at the bottom of the lower die 6 are in contact with the wedge block 19 and extrude the wedge block 19 into the shock absorption seat 15, the wedge block 19 can extrude the spring rod 16 in the moving process to drive the wedge block 19 to move towards two ends, meanwhile, the telescopic rod 13 at the bottom of the connecting block 14 stretches out and draws back, the telescopic rod 13 and the rebound effect of the shock absorption spring 12 play a buffering effect on the lower die 6 device, when the device stops working, the wedge block 19 and the trapezoidal seat 18 reset under the rebound effect of the shock absorption spring 12 and the spring rod 16, and the service life of the lower die.

When needing to change upper die 6, through twisting the set screw 9, separate set screw 9 and first screw hole 902 and second screw hole 702, then separate inserted block 701 and slot 903, alright realized the dismantlement to last mould 7, during the installation, at first with inserted block 701 and slot 903 installation together, the precision of installation has been improved, then fixed through set screw 9 and first screw hole 902 and second screw hole 702, the fixed of going up mould 7 has been realized, and the inside shock attenuation 904 that is provided with of slot 903, when the punching press, the buffering effect of cope match-plate pattern 703 has been improved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a special mould of hydraulic press, includes mount pad (4), its characterized in that: the shock absorber is characterized in that a base (5) is arranged at the upper end of the mounting seat (4), hydraulic rods (3) are arranged at the upper ends of two sides of the base (5), a shock absorbing device (A) is arranged at the upper end of the base (5) and comprises shock absorbing springs (12), a telescopic rod (13), a connecting block (14), wedge blocks (19), a trapezoidal seat (18), a telescopic pipe (17), a shock absorbing seat (15) and a spring rod (16), the shock absorbing seat (15) is fixedly arranged at the upper end of the base (5), the telescopic rod (13) is fixedly arranged at the middle part of the shock absorbing seat (15), a connecting block (14) is arranged at the upper end of the telescopic rod (13), the shock absorbing springs (12) are fixedly connected to the lower sides of the bottoms of two ends of the connecting block (14), the bottoms of the shock absorbing springs (12) are fixedly, a lower die (6) is arranged at the upper end of the trapezoid seat (18), a spring rod (16) is arranged in the shock absorption seat (15), a telescopic pipe (17) is arranged at the top of the spring rod (16), a wedge block (19) is arranged at the top end of the telescopic pipe (17), a cross beam column (1) is arranged at the upper end of the hydraulic rod (3), a hydraulic oil tank (11) is arranged at the upper end of the cross beam column (1), a connecting rod (10) is arranged at the bottom of the hydraulic oil tank (11), a fixing device (9) is arranged at the lower end of the connecting rod (10), the fixing device (9) comprises a first threaded hole (902), an inserting groove (903), a shock absorption plate (904) and a fixing inserting plate (901), a first threaded hole (902) is formed in the middle of the lower side of the two ends of the fixing inserting plate (901), the inserting groove (903) is, the outer end of the fixing device (9) is provided with an upper die (7) through a fixing screw (8) in a threaded manner.

2. The special die for the hydraulic press as recited in claim 1, wherein: the upper die (7) comprises an upper die plate (703), a second threaded hole (702) and an insert block (701), the upper die plate (703) is installed in the middle of the fixing device (9) through the second threaded hole (702) and the fixing screw (8) in a threaded mode, and the insert block (701) is arranged at two ends of the upper side of the upper die plate (703).

3. The special die for the hydraulic press as recited in claim 2, wherein: the plug block (701) is rectangular, the plug block (701) and the slot (903) are the same in shape and size, and the plug block (701) and the slot (903) form an inserting and fixing structure.

4. The special die for the hydraulic press as recited in claim 1, wherein: the threads of the first threaded hole (902) and the second threaded hole (702) are the same as those of the fixing screw (8), and the first threaded hole (902) and the second threaded hole (702) and the fixing screw (8) form a thread fixing structure.

5. The special die for the hydraulic press as recited in claim 1, wherein: the damping device (A) is divided into two groups, the damping device (A) is in an axisymmetric structure relative to the lower die (6), and the lower die (6) and the upper die (7) are arranged in parallel relatively.

6. The special die for the hydraulic press as recited in claim 1, wherein: the wedge blocks (19) are positioned at two ends of the bottom of the trapezoidal seat (18), and the two wedge blocks (19) are in an axisymmetric structure which is relative to the trapezoidal seat (18) and is an axis.