CN210337006U

CN210337006U - Hydraulic press with buffer structure

Info

Publication number: CN210337006U
Application number: CN201920759810.3U
Authority: CN
Inventors: 杨春富
Original assignee: Yangzhou Earth Dragon Machinery Co ltd
Current assignee: Yangzhou Earth Dragon Machinery Co ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-04-17
Anticipated expiration: 2029-05-24

Abstract

The utility model discloses a hydraulic press with buffer structure. This hydraulic press includes base, roof-rack and guide pillar, the guide pillar has four, and four guide pillars are evenly laid in the roof-rack four corners, the roof-rack middle part is equipped with the pneumatic cylinder, and the piston rod of pneumatic cylinder links to each other with the deflector downwards, and the deflector downside is connected with the mould, and the base downside is equipped with buffer gear, and buffer gear includes upper blotter and lower floor's blotter, the guide pillar passes upper blotter and pegs graft in lower floor's blotter, and lower floor's blotter is equipped with and is used for guide pillar male slot, upper blotter downside is equipped with the arch, and lower floor's blot. The utility model discloses be provided with buffer gear at the base downside, buffer gear can weaken the stronger impact force that the hydraulic press during operation base received for damage can not appear because of stronger impact force in the base, has also guaranteed complete, the error-free of punching press work piece simultaneously.

Description

Hydraulic press with buffer structure

Technical Field

The utility model relates to a hydraulic press technical field, in particular to hydraulic press with buffer structure.

Background

A hydraulic machine is a machine for transferring energy to carry out various processes, made according to the pascal principle, using a liquid as working medium. In the prior art, the hydraulic press has a weak buffering effect in the use process, if the punching force of the hydraulic press is too large, the workbench of the hydraulic press is damaged, and meanwhile, the deformation of a punched workpiece is possible, so that the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the shortcoming that exists among the above-mentioned background art, provide a hydraulic press with buffer gear.

In order to realize the above object, the utility model relates to a hydraulic press with buffer structure has adopted following technical scheme:

a hydraulic machine with a buffer structure comprises a base, a top frame and a guide post vertically connecting the base and the top frame, four guide posts are uniformly distributed at four corners of the top frame, a hydraulic cylinder is arranged at the middle part of the top frame downwards, a piston rod of the hydraulic cylinder is downwards connected with a guide plate, an upper die is connected with the lower side of the guide plate, a lower die is arranged at the upper side of the base and faces the upper die, the lower side of the base is provided with a buffer mechanism which comprises an upper layer buffer cushion and a lower layer buffer cushion, the guide post passes through the upper cushion pad and is inserted into the lower cushion pad, the lower cushion pad is provided with a slot for the guide post to be inserted into, a first spiral spring sleeved with the guide post and a second spiral spring arranged between the bottom end of the guide post and the bottom end of the slot are arranged in the slot, the lower side of the upper layer cushion pad is provided with a bulge, and the upper side of the lower layer cushion pad is provided with a groove matched with the bulge.

Specifically, the upper layer cushion pad and the lower layer cushion pad are both rubber cushion pads.

Specifically, lower floor's blotter downside is equipped with the fixing base, be provided with the telescopic link between fixing base and the base, the telescopic link includes first flexible section and cup joints the flexible section of second of first flexible section, is provided with third coil spring between first flexible section bottom and the flexible section bottom of second.

Specifically, the base downside still is equipped with first magnet, and the fixing base upside is equipped with the second magnet, and first magnet, second magnet repel each other.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model discloses be provided with buffer gear at the base downside, buffer gear can weaken the stronger impact force that the hydraulic press during operation base received for damage can not appear because of stronger impact force in the base, has also guaranteed complete, the error-free of punching press work piece simultaneously.

2. The utility model discloses a buffer gear includes upper blotter and lower floor's blotter, and upper and lower floor's blotter still is equipped with matched with arch and recess respectively, has both guaranteed vertical buffering shock attenuation, has also guaranteed horizontal cushioning effect.

Drawings

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

fig. 2 is a schematic structural view of the buffer mechanism.

The device comprises a base 10, a top frame 20, a guide pillar 30, a hydraulic cylinder 40, a piston rod 41, a guide plate 50, an upper die 60, a lower die 70, an upper-layer cushion pad 81, a lower-layer cushion pad 82, a protrusion 83, an insertion slot 84, a first spiral spring 85, a second spiral spring 86, a fixing seat 90, an expansion rod 91, a first expansion section 92, a second expansion section 93 and a third spiral spring 94.

Detailed Description

The invention will be further elucidated with reference to the embodiments described hereinafter.

As shown in figures 1 and 2 of the drawings,

a hydraulic machine with a buffering structure comprises a base 10, a top frame 20 and guide posts 30 vertically connecting the base 10 and the top frame 20, wherein four guide posts 30 are uniformly distributed at four corners of the top frame 20, a hydraulic cylinder 40 is arranged at the middle part of the top frame 20 downwards, a piston rod 41 of the hydraulic cylinder 40 is downwards connected with a guide plate 50, an upper die 60 is connected with the lower side of the guide plate 50, a lower die 70 is arranged at the upper side of the base 10, the lower die 70 faces the upper die 60, a buffering mechanism is arranged at the lower side of the base 10 and comprises an upper cushion 81 and a lower cushion 82, the guide posts 30 penetrate through the upper cushion 81 and are inserted into the lower cushion 82, slots 84 for inserting the guide posts 30 are formed in the lower cushion 82, first spiral springs 85 for sleeving the guide posts 30 and second spiral springs 86 arranged between the bottom ends of the guide posts 30 and the bottom ends of the slots 84 are arranged, the first coil spring 85 has an undeformed length greater than the depth of the slot 84, the upper cushion 81 has a protrusion 83 on the lower side thereof, and the lower cushion 82 has a groove (not shown) on the upper side thereof for engaging with the protrusion 83. Guide pillar 30 of hydraulic press passes base 10, and pass upper blotter 81, peg graft in lower floor's blotter 82, upper blotter 81 and slot 84 bottom are supported respectively at the both ends of first coil spring 85 in the slot 84 on lower floor's blotter 82, carry out partial shock attenuation to upper blotter 81, and second coil spring 86 directly carries out the shock attenuation to guide pillar 30, upper and lower layer blotter is equipped with matched with arch 83 and recess respectively, both guaranteed to cushion the shock attenuation to the vertical force that base 10 received, also spacing base 10's lateral displacement, arch 83 truns into horizontal power with partial vertical force with the setting of recess, cushion the shock attenuation to the impact force that base 10 received.

Specifically, the upper cushion 81 and the lower cushion 82 are both rubber cushions.

Specifically, the lower side of the lower cushion pad 82 is provided with a fixed seat 90, an expansion link 91 is arranged between the fixed seat 90 and the base 10, the expansion link 91 comprises a first expansion section 92 and a second expansion section 93 which is sleeved with the first expansion section 92, and a third helical spring 94 is arranged between the bottom end of the first expansion section 92 and the bottom end of the second expansion section 93. The telescopic rod 91 is arranged to perform auxiliary buffering on the base 10, so that the buffering effect of the hydraulic press is further improved.

Specifically, a first magnet (not shown) is further disposed on the lower side of the base 10, a second magnet is disposed on the upper side of the fixing seat, and the first magnet and the second magnet repel each other. The first and second magnets, which repel each other, also assist in cushioning the base 10.

The utility model discloses a concrete working process and principle: base 10 receives decurrent impact force, upper blotter 81 cushions the shock attenuation to it, because there are matched with arch 83 and recess between upper blotter 81 and the lower floor's blotter 82, can turn into partial vertical power and cushion the weakening into transverse force, guide pillar 30 fixed with base 10 receives the cushioning effect of second coil spring 86, except self buffer performance between the upper and lower floor's buffer layer, still receive first coil spring 85's cushioning effect, telescopic link 91 then assists the buffering to base 10 with the setting of two magnets, with the holistic buffering shock attenuation effect of improvement hydraulic press.

The above is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the above preferred embodiments, but the present invention is not limited to the above embodiments, and any skilled person familiar with the art can make some changes or modifications to equivalent embodiments without departing from the technical scope of the present invention, but all the technical matters of the present invention are within the scope of the technical solution of the present invention.

It should be noted that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the range that the technical content disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention.

Claims

1. The utility model provides a hydraulic press with buffer structure, includes the guide pillar of base, roof-rack and vertical connection base and roof-rack, the guide pillar has four, and four guide pillars are evenly laid in the roof-rack four corners, the roof-rack middle part is equipped with the pneumatic cylinder downwards, and the piston rod of pneumatic cylinder links to each other with the deflector downwards, and the deflector downside is connected with the mould, and the base upside is equipped with the lower mould, and the lower mould is facing to last mould, its characterized in that: the base downside is equipped with buffer gear, buffer gear includes upper blotter and lower floor's blotter, the guide pillar passes upper blotter and pegs graft in lower floor's blotter, and lower floor's blotter is equipped with and is used for guide pillar male slot, is equipped with the first coil spring who cup joints the guide pillar in the slot and sets up the second coil spring between guide pillar bottom and slot bottom, upper blotter downside is equipped with the arch, and lower floor's blotter upside is equipped with the recess with protruding matched with.

2. The hydraulic machine as recited in claim 1 wherein: the upper layer cushion pad and the lower layer cushion pad are rubber cushion pads.

3. The hydraulic machine as recited in claim 1 wherein: the utility model discloses a flexible section of a buffer, including lower floor's blotter downside, the telescopic link is provided with the first flexible section of first flexible section bottom and the flexible section bottom of second between the base, the telescopic link includes that first flexible section is flexible, is provided with third coil spring between first flexible section bottom and the flexible section bottom of second.

4. The hydraulic machine as recited in claim 3 wherein: the base downside still is equipped with first magnet, and the fixing base upside is equipped with the second magnet, and first magnet, second magnet repel each other.