CN217916934U

CN217916934U - Hydraulic press with buffer structure

Info

Publication number: CN217916934U
Application number: CN202222216293.XU
Authority: CN
Inventors: 高皓; 高世鹏
Original assignee: Baoji Jinshengyuan Titanium Industry Co ltd
Current assignee: Baoji Jinshengyuan Titanium Industry Co ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2022-11-29
Anticipated expiration: 2032-08-23

Abstract

The utility model discloses a hydraulic press with buffer structure, including the hydraulic press body, the hydraulic press body includes hydraulic pressure platform, hydraulic pressure board and the top platform that from the bottom up set gradually, and four corners at the top of the hydraulic pressure platform all install the direction connecting axle, and four direction connecting axles all run through the hydraulic pressure board and top platform fixed connection, install the pneumatic cylinder on the top platform, and the output shaft of pneumatic cylinder runs through the top platform and is connected with hydraulic pressure board top center fixed connection; the buffer damping component used for buffering the impact force of the hydraulic plate is installed at the joint of the four guide connecting shafts and the hydraulic table, so that the situation that the hydraulic table is damaged and a stamping workpiece is deformed due to the fact that the stamping force is too large is prevented. Every buffering damper includes the holding tank of installing in four corners at hydraulic pressure bench top, and holding tank internally mounted has the buffering spring post, and the top of buffering spring post is fixed with buffering ring seat, and the direction connecting axle runs through buffering ring seat and buffering spring post and holding tank bottom inner wall fixed connection.

Description

Hydraulic press with buffer structure

Technical Field

The utility model relates to a hydraulic press field, concretely relates 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. The existing hydraulic machine has weak buffering effect, and has the problems that the too high punching force of the hydraulic machine easily causes damage to a workbench of the hydraulic machine and deformation of a punched workpiece in the long-term use process, so that the production efficiency is reduced. The utility model discloses a utility model patent that publication number is CN210337006U discloses a hydraulic press with buffer structure, and it sets up buffer gear in the hydraulic press bottom for cushion and the shock attenuation to the hydraulic press is whole, does not directly effectively cushion the stamping force of hydraulic press, can't effectively solve the too big problem that causes hydraulic press workstation damage, punching press work piece deformation easily of stamping force degree of hydraulic press. And the buffer gear of this patent includes upper blotter and lower floor's blotter through arch and recess joint from top to bottom to set up the slot connection through coil spring and lower floor's blotter top after the guide pillar bottom passes upper blotter, make the installation poor stability of its guide pillar, though can carry out effective shock attenuation to the vibrations of hydraulic press whole during operation, nevertheless influence the overall stability of hydraulic press.

Disclosure of Invention

The utility model aims at providing a hydraulic press with buffer structure to it is weak to solve current hydraulic press buffering utility, and the too big problem that causes hydraulic press workstation damage, punching press work piece deformation easily of the punching press power degree that has the hydraulic press in long-term use.

In order to achieve the above object, the present invention provides the following technical solutions:

the hydraulic machine with the buffer structure comprises a hydraulic machine body, wherein the hydraulic machine body comprises a hydraulic table, a hydraulic plate and a top table which are sequentially arranged from bottom to top, guide connecting shafts are arranged at four corners of the top of the hydraulic table, the four guide connecting shafts penetrate through the hydraulic plate, the top of the four guide connecting shafts is fixedly connected with the top table, a hydraulic cylinder is arranged on the top table, and an output shaft of the hydraulic cylinder penetrates through the top table and is fixedly connected with the center of the top of the hydraulic plate;

the buffer damping assembly used for buffering the impact force of the hydraulic plate is installed at the joint of the four guide connecting shafts and the hydraulic platform.

Further, every buffering damper includes the holding tank of installing in four corners at hydraulic pressure bench top, and holding tank internally mounted has the buffering spring post, and the top of buffering spring post is fixed with buffering ring seat, and the direction connecting axle runs through buffering ring seat and buffering spring post and holding tank bottom inner wall fixed connection.

Furthermore, the outer wall of the guide connecting shaft is attached to the inner walls of the buffer ring seat and the buffer spring column, and the outer wall of the buffer spring column is attached to the inner wall of the accommodating groove.

Furthermore, the outer wall of the guide connecting shaft is attached to the inner wall of the buffering ring seat, the outer wall of the buffering ring seat is attached to the inner wall of the buffering spring column, and the outer wall of the buffering spring column is attached to the inner wall of the accommodating groove.

Furthermore, a widening groove is formed in the middle of the accommodating groove, a limiting ring is fixedly sleeved on the side wall of the buffering ring seat, and the limiting ring is positioned in the widening groove;

the inner diameter of the widening groove and the outer diameter of the limiting ring are both larger than the inner diameter of the accommodating groove, and the moving range of the limiting ring in the widening groove is larger than or equal to the buffer distance of the hydraulic plate.

Furthermore, the outer wall of the limiting ring is attached to the inner wall of the widening groove.

Furthermore, the top of the buffering ring seat is provided with an annular groove, and a buffering rubber ring is arranged in the annular groove.

Further, the lower part of the buffering and shock absorption assembly is arranged in the top of the hydraulic table.

Furthermore, a plurality of strip-shaped grooves are formed in the surface of the top of the hydraulic table at equal intervals.

Furthermore, a sliding sleeve flange is arranged in a connecting hole connected with the guide connecting shaft through the hydraulic plate, and the hydraulic plate is connected with the guide connecting shaft in a sliding mode through the sliding sleeve flange.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the impact force can be reduced to a certain degree through the buffering and damping assembly, when the hydraulic plate is pressed downwards, the bottom of the hydraulic plate can be firstly contacted with the top of the buffering ring seat, the buffering is realized through the buffering spring column and then contacted with an object or a workbench, at the moment, the buffering ring seat can be retracted into the accommodating groove, and after the hydraulic plate rises, the buffering ring seat is reset again, so that the situations that the workbench of the hydraulic machine is damaged and a stamped workpiece is deformed due to overlarge punching force are prevented;

2. the buffering rubber ring at the top of the buffering ring seat can not only further increase the buffering performance, but also prevent the hydraulic plate and the buffering ring seat from being impacted to cause damage.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a perspective view of a hydraulic machine with a buffering structure according to an embodiment of the present invention.

Fig. 2 is a schematic sectional perspective view of a shock absorbing assembly according to an embodiment of the present invention.

Fig. 3 is a schematic diagram illustrating the detachment of the cushion ring seat and the cushion rubber ring according to an embodiment of the present invention.

Description of reference numerals:

1. the hydraulic press comprises a hydraulic press body, 2 parts of a buffer damping assembly, 3 parts of a sliding sleeve flange, 11 parts of a hydraulic table, 12 parts of a top table, 13 parts of a guide connecting shaft, 14 parts of a hydraulic plate, 15 parts of a hydraulic cylinder, 111 parts of a strip-shaped groove, 112 parts of a wedge-shaped body stabilizing block, 151 parts of a connecting disc, 21 parts of an accommodating groove, 22 parts of a buffer ring seat, 23 parts of a buffer spring column, 24 parts of a widening groove, 25 parts of a limiting ring, 26 parts of a buffer rubber ring and 221 parts of an annular groove.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The embodiment provides a hydraulic press with buffer structure, as shown in fig. 1, including hydraulic press body 1, hydraulic press body 1 includes hydraulic pressure platform 11 that from the bottom up set gradually, hydraulic pressure board 14 and footstock 12, direction connecting axle 13 is all installed to four corners at hydraulic pressure platform 11 top, four direction connecting axles 13 all run through hydraulic pressure board 14 and top and footstock 12 fixed connection, install pneumatic cylinder 15 on the footstock 12, the output shaft of pneumatic cylinder 15 runs through footstock 12 and hydraulic pressure board 14 top center fixed connection, four direction connecting axles 13 all are provided with the buffering damping component 2 that is used for buffering the impact strength of hydraulic pressure board 14 and can not influence the normal impact machining work of hydraulic pressure board 14 with hydraulic pressure platform 11's junction, but reduce the impact strength of hydraulic pressure board 14 to a certain extent through buffering damping component 2, prevent that hydraulic pressure board 14's impact strength from too big causing hydraulic press workstation to damage and the circumstances that the punching press work piece appears warping.

In some embodiments, as shown in fig. 2, each buffering damping assembly 2 includes receiving grooves 21 installed at four corners of the top of the hydraulic table 11, buffering spring columns 23 are installed inside the receiving grooves 21, buffering ring seats 22 are fixed at the tops of the buffering spring columns 23, and the guiding connecting shaft 13 penetrates through the buffering ring seats 22 and the buffering spring columns 23 and is fixedly connected with the inner walls of the bottoms of the receiving grooves 21. When the hydraulic plate 14 is pressed down, the buffer ring seat 22 is contacted with the buffer spring post 23 to realize buffer, and the buffer ring seat 22 can be lifted through the buffer spring post 23 to complete the reset and buffer each time.

In some embodiments, the outer wall of the guide connecting shaft 13 abuts against the inner walls of the buffer ring seat 22 and the buffer spring post 23 to effectively position the buffer ring seat 22 and the buffer spring post 23.

In some embodiments, the outer wall of the buffer spring post 23 is attached to the inner wall of the receiving groove 21 to limit the spring, and the outer wall of the buffer ring seat 22 is attached to the inner wall of the buffer spring post 23, so that the buffer ring seat 22 can enter the buffer spring post 23 under the impact force of the hydraulic plate 14. When hydraulic pressure board 14 pushed down, the bottom of hydraulic pressure board 14 can contact the top of buffering ring seat 22 earlier, and buffering ring seat 22 contacts the article again after realizing the buffering through buffer spring post 23, and buffering ring seat 22 can retract into holding tank 21 this moment, and after hydraulic pressure board 14 rose, buffering ring seat 22 resets again through buffer spring post 23 to prevent that the too big condition that causes the hydraulic press workstation to damage and appear the punching press work piece and appear warping.

In some embodiments, the middle portion of the receiving groove 21 is a widening groove 24, the sidewall of the buffering ring seat 22 is fixedly sleeved with a limiting ring 25, the limiting ring 25 is located in the widening groove 24, the inner diameter of the widening groove 24 and the outer diameter of the limiting ring 25 are both greater than the inner diameter of the receiving groove 21, the moving range of the limiting ring 25 in the widening groove 24 is greater than or equal to the buffering distance of the hydraulic plate 14, and the buffering distance refers to the moving distance of the hydraulic plate 14 from contacting the buffering ring seat 22 to the processed object. The vertical moving range of the buffer ring seat 22 is limited by the widening groove 24 and the limiting ring 25, and the buffer spring column 23 is prevented from being out of work.

The height of the cushion ring seat 22, the depth of the widening groove 24, the depth of the accommodating groove 21 and the length of the cushion spring column 23 in this embodiment can be adjusted according to actual conditions to adapt to different hydraulic environments.

In some embodiments, in order to prevent the buffering and shock-absorbing assembly 2 from affecting the normal impact processing work of the hydraulic plate 14, the lower portion of the buffering and shock-absorbing assembly 2 can be arranged in the top of the hydraulic table 11, so that the buffering and shock-absorbing assembly 2 can play a role in buffering and can not affect the normal impact processing work of the hydraulic plate 14.

In some embodiments, the outer wall of the confinement ring 25 abuts the inner wall of the widening groove 24, effectively positioning the confinement ring 25.

In some embodiments, as shown in fig. 3, the top of the cushion ring seat 22 is provided with an annular groove 221, and the cushion rubber ring 26 is installed (e.g., snap-fit) in the annular groove 221, so that the cushion capacity can be further increased by the cushion rubber ring 26, and the cushion ring seat 22 and the hydraulic plate 14 can be prevented from being worn or damaged due to impact.

In some embodiments, the top surface of the hydraulic table 11 is provided with a plurality of strip grooves 111 at equal intervals, and the area of the upper surface of the hydraulic table 11 can be increased through the strip grooves 111, so that the tension is increased, and the hydraulic table 11 is prevented from cracking due to the impact of the hydraulic plate 14.

In some embodiments, the sliding sleeve flanges 3 are installed in the connecting holes where the hydraulic plates 14 are connected with the guide connecting shaft 13, and the hydraulic plates 14 are connected with the guide connecting shaft 13 in a sliding manner through the sliding sleeve flanges 3, so that the hydraulic plates 14 can better lift up and down along the guide connecting shaft 13, and the hydraulic plates 14 and the guide connecting shaft 13 are prevented from being worn.

In some embodiments, the connecting disc 151 is installed at the bottom of the output end of the hydraulic cylinder 15, the connecting disc 151 is detachably and fixedly connected with the hydraulic plate 14 through a reinforcing bolt, and when the hydraulic cylinder 15 is damaged and needs to be repaired or replaced, the reinforcing bolt can be detached to conveniently detach the hydraulic plate 14 from the output shaft of the hydraulic cylinder 15, so that subsequent repair is facilitated.

In some embodiments, the wedge fixing blocks 112 are disposed on the left and right sides of the bottom of each of the two sides of the hydraulic table 11, the bottom of each wedge fixing block 112 is provided with two fixing holes, and the wedge fixing blocks 112 are fixed to the ground through the fixing holes, so that the hydraulic machine with the buffering structure is fixed to the ground, and the stability of the hydraulic machine with the buffering structure is improved.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The hydraulic machine with the buffer structure is characterized by comprising a hydraulic machine body (1), wherein the hydraulic machine body (1) comprises a hydraulic table (11), a hydraulic plate (14) and a top table (12) which are sequentially arranged from bottom to top, four corners at the top of the hydraulic table (11) are respectively provided with a guide connecting shaft (13), the four guide connecting shafts (13) penetrate through the hydraulic plate (14), the top of each guide connecting shaft is fixedly connected with the top table (12), a hydraulic cylinder (15) is arranged on the top table (12), and an output shaft of the hydraulic cylinder (15) penetrates through the center of the tops of the top table (12) and the hydraulic plate (14);

the joints of the four guide connecting shafts (13) and the hydraulic platform (11) are provided with buffer damping components (2) for buffering the impact force of the hydraulic plate (14).

2. The hydraulic machine with a buffering structure as claimed in claim 1, characterized in that each buffering and damping assembly (2) comprises a containing groove (21) installed at four corners of the top of the hydraulic table (11), buffering spring columns (23) are installed inside the containing grooves (21), a buffering ring seat (22) is fixed at the tops of the buffering spring columns (23), and a guiding connecting shaft (13) penetrates through the buffering ring seat (22) and the buffering spring columns (23) to be fixedly connected with the inner wall of the bottom of the containing grooves (21).

3. The hydraulic machine with a buffering structure according to claim 2, characterized in that the outer wall of the guide connecting shaft (13) is attached to the buffering ring seat (22) and the inner wall of the buffering spring column (23), and the outer wall of the buffering spring column (23) is attached to the inner wall of the accommodating groove (21).

4. The hydraulic machine with a buffering structure as claimed in claim 2, characterized in that the outer wall of the guide connecting shaft (13) is attached to the inner wall of the buffering ring seat (22), the outer wall of the buffering ring seat (22) is attached to the inner wall of the buffering spring column (23), and the outer wall of the buffering spring column (23) is attached to the inner wall of the accommodating groove (21).

5. The hydraulic machine with a buffering structure as claimed in claim 2, characterized in that the middle part of the accommodating groove (21) is a widening groove (24), the side wall of the buffering ring seat (22) is fixedly sleeved with a limiting ring (25), and the limiting ring (25) is positioned in the widening groove (24);

the inner diameter of the widening groove (24) and the outer diameter of the limiting ring (25) are both larger than the inner diameter of the accommodating groove (21), and the moving range of the limiting ring (25) in the widening groove (24) is larger than or equal to the buffer distance of the hydraulic plate (14).

6. Hydraulic machine with structure of damping according to claim 5, characterised in that the outer wall of the confinement ring (25) is in abutment with the inner wall of the widening groove (24).

7. The hydraulic machine with the buffer structure according to any one of claims 2 to 6, wherein an annular groove (221) is formed in the top of the buffer ring seat (22), and a buffer rubber ring (26) is installed in the annular groove (221).

8. The hydraulic machine with a buffering structure according to any one of claims 1 to 6, characterized in that the lower part of the buffering shock-absorbing assembly (2) is arranged in the top of the hydraulic table (11).

9. The hydraulic machine with a buffering structure as claimed in any one of claims 1 to 6, characterized in that a plurality of strip-shaped grooves (111) are equidistantly arranged on the top surface of the hydraulic table (11).

10. The hydraulic machine with the buffer structure according to any one of claims 1 to 6, wherein sliding sleeve flanges (3) are installed in connecting holes of the hydraulic plate (14) and the guide connecting shaft (13), and the hydraulic plate (14) is connected with the guide connecting shaft (13) in a sliding mode through the sliding sleeve flanges (3).