CN217395745U

CN217395745U - High-precision frame electrohydraulic servo hydraulic machine

Info

Publication number: CN217395745U
Application number: CN202220949750.3U
Authority: CN
Inventors: 张飞; 黄素霞; 杨龙根; 杨煜
Original assignee: Jiangsu Fuxiang Automobile Technology Co ltd
Current assignee: Jiangsu Fuxiang Automobile Technology Co ltd
Priority date: 2022-04-23
Filing date: 2022-04-23
Publication date: 2022-09-09
Anticipated expiration: 2032-04-23

Abstract

The application discloses servo hydraulic press of frame electricity liquid of high accuracy relates to hydraulic press technical field, which comprises a bracket, the support top is equipped with the pneumatic cylinder, the pneumatic cylinder with the junction of support is equipped with the connecting plate, be equipped with the bolt on the connecting plate, the bolt runs through the connecting plate, the bolt with support looks spiro union. This application is through the connecting plate, the bolt, the slide bar, the slide tube, cooperation setting between spring and joint isotructure, the joint is at the bolt top, slide bar and spring and slide tube sliding connection are passed through on the top of joint, when the pneumatic cylinder starts to carry out the punching press, this moment because the spring promotes the joint to laminating to the top with the bolt, make the bolt receive joint's joint effect unable and support production relative rotation, thereby it leads to being connected between hydraulic press and the bolt not hard up and shift to have avoided the bolt rotation as far as possible, the problem of the accuracy nature of hydraulic press punching press has been influenced greatly.

Description

High-precision frame electrohydraulic servo hydraulic machine

Technical Field

The application relates to the technical field of hydraulic presses, in particular to a high-precision frame electrohydraulic servo hydraulic press.

Background

The hydraulic machine is a hydraulic actuator which converts hydraulic energy into mechanical energy and makes linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems.

The existing hydraulic machine is generally fixed through bolts, when the hydraulic machine performs stamping, a stamping plate at the bottom of a piston rod and a stamping platform generate strong impact force, and the bolts can be possibly rotated, so that the connection between the hydraulic machine and the bolts is loosened and displaced, and the stamping accuracy of the hydraulic machine is greatly influenced.

SUMMERY OF THE UTILITY MODEL

In order to improve that current hydraulic press generally fixes through the bolt, when the hydraulic press punched, the punching press board and the punching press platform of piston rod bottom produced powerful impact force, probably lead to the bolt to rotate to lead to being connected between hydraulic press and the bolt to appear becoming flexible and shifting, influenced the problem of the accuracy nature of hydraulic press punching greatly, the application provides a frame electricity liquid servo hydraulic press of high accuracy.

The application provides a frame electrohydraulic servo hydraulic machine of high accuracy adopts following technical scheme:

a high-precision frame electrohydraulic servo hydraulic machine comprises a support, wherein a hydraulic cylinder is arranged at the top of the support, a connecting plate is arranged at the joint of the hydraulic cylinder and the support, a bolt is arranged on the connecting plate and penetrates through the connecting plate, the bolt is in threaded connection with the support, a piston rod is fixedly connected to the output end of the hydraulic cylinder and penetrates through the support, the piston rod is in sliding connection with the support, a protective cover is sleeved at the top of the hydraulic cylinder and is fixedly connected with the top of the support, a plurality of sliding tubes are arranged in the inner cavity of the protective cover, the plurality of sliding tubes and the plurality of bolts are positioned on the same vertical plane, a sliding rod is in sliding connection with the bottoms of the sliding tubes, a spring is fixedly connected to one end of the sliding rod positioned in the sliding tube, and the spring is fixedly connected with the inner wall of the sliding tube, and one end of the sliding rod, which is positioned outside the sliding pipe, is fixedly connected with a clamping joint, and the clamping joint is clamped with the top of the bolt.

By adopting the technical scheme, when in use, a user aligns the connecting plate at the bottom of the hydraulic cylinder with the top of the support, then the user penetrates through the connecting plate by the bolt, the bolt is screwed with the top of the support, then the user installs the sliding rod in the protective cover, the sliding rod is fixedly connected with the bottom of the sliding pipe by the spring, after the connection is finished, the user extrudes the spring to the inside of the sliding pipe to shrink the spring until the clamping head fixedly connected with the bottom of the sliding rod moves to the top of the bolt, at the moment, the sliding rod is loosened, the clamping head is driven to move downwards under the action of the restoring force of the spring to clamp the clamping head on the bolt, when the hydraulic cylinder is started to perform stamping, the bottom of the piston rod generates strong impact force on the hydraulic cylinder, at the moment, the clamping head is pushed by the spring to be attached to the top of the bolt, so that the bolt cannot generate relative rotation with the support under the clamping effect of the clamping head, therefore, the problem that the connection between the hydraulic machine and the bolt is loosened and shifted due to the rotation of the bolt and the stamping accuracy of the hydraulic machine is greatly influenced is solved as much as possible.

Optionally, the bottom of the bracket is fixedly connected with a bottom plate, and the cross-sectional area of the bottom plate is larger than that of the bracket.

Through adopting above technical scheme, be greater than the bottom plate of support in the bottom fixed connection cross sectional area of support for increase the contact surface of support and ground, improved the stability of whole hydraulic press greatly.

Optionally, a circular through hole is formed in the center of the top of the support, and the diameter of the circular through hole is equal to the diameter of the piston rod.

Through adopting above technical scheme, set up circular through-hole on the support, make the piston rod run through the support through circular through-hole to make things convenient for the pneumatic cylinder to drive the piston rod and stretch out and draw back, carry out punching press work to the work piece.

Optionally, the outer surface cover of piston rod is equipped with the spacing ring, the spacing ring with piston rod sliding connection, the both sides fixedly connected with connecting rod of spacing ring, the spacing ring pass through the connecting rod with support inner wall fixed connection.

Through adopting above technical scheme, set up the spacing ring on the piston rod for carry out limiting displacement to the piston rod, avoid the piston rod to produce the skew when carrying out punching press work as far as possible, lead to the problem that the work piece quality after the punching press is low.

Optionally, one end of the piston rod, which is far away from the hydraulic cylinder, is provided with a stamping plate, and the stamping plate is fixedly connected with the bottom of the piston rod.

Through adopting above technical scheme, set up the punching press board and be used for carrying out the punching press effect to the work piece, become the shape and the size that accord with user's needs with the work piece punching press, convenience of customers uses.

Optionally, the sliding rod is of a regular hexagonal prism structure, and the size of the sliding rod is matched with the size of the inner cavity of the sliding tube.

In conclusion, the beneficial effects of the application are as follows:

this application is through the connecting plate, the bolt, the slide bar, the slide tube, cooperation setting between spring and joint isotructure, the joint is at the bolt top, slide bar and spring and slide tube sliding connection are passed through on the top of joint, when the pneumatic cylinder starts to carry out the punching press, this moment because the spring promotes the joint to laminating to the top with the bolt, make the bolt receive joint's joint effect unable and support production relative rotation, thereby it leads to being connected between hydraulic press and the bolt not hard up and shift to have avoided the bolt rotation as far as possible, the problem of the accuracy nature of hydraulic press punching press has been influenced greatly.

Drawings

FIG. 1 is a schematic view of the overall cross-sectional structure of the present application;

FIG. 2 is a schematic view of the connection structure of the slide tube, slide rod and snap joint of the present application;

FIG. 3 is a schematic view of the connection structure of the hydraulic cylinder, the hydraulic rod, the limiting ring, the connecting plate and the bolt.

Description of reference numerals: 1. a support; 2. a base plate; 3. a hydraulic cylinder; 4. a connecting plate; 5. a bolt; 6. a piston rod; 7. a limiting ring; 8. a connecting rod; 9. stamping the plate; 10. a protective cover; 11. a slide pipe; 12. a slide bar; 13. a spring; 14. a clamping head; 15. and (4) a punching platform.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Referring to fig. 1-3, a high-precision frame electrohydraulic servo hydraulic machine comprises a support 1 with supporting and connecting functions, and a hydraulic cylinder 3 is arranged at the top of the support 1. The junction of pneumatic cylinder 3 and support 1 is equipped with connecting plate 4, is equipped with bolt 5 on the connecting plate 4, and bolt 5 runs through connecting plate 4, and bolt 5 and support 1 looks spiro union. Set up connecting plate 4 and be used for increasing the contact surface between support 1 and the pneumatic cylinder 3, improve the stability that pneumatic cylinder 3 is connected, adopt the connected mode of 5 spiro unions of bolt to connect, not only connect firmly, convenience of customers installs and dismantles work moreover. Fixedly connected with piston rod 6 on the output of pneumatic cylinder 3, piston rod 6 runs through support 1, piston rod 6 and support 1 sliding connection. The hydraulic cylinder 3 can push the piston rod 6 to move up and down, and the workpiece is punched. The cover of 3 tops of pneumatic cylinder is equipped with and is carried out the protection casing 10 of anti-protection and sealed effect to pneumatic cylinder 3, and protection casing 10 and 1 top fixed connection of support are equipped with a plurality of slide pipes 11 in the 10 inner chambers of protection casing, and a plurality of slide pipes 11 are located same vertical plane with a plurality of bolts 5. A sliding rod 12 is connected to the bottom of the sliding tubes 11 in a sliding manner. The end of the sliding rod 12 inside the sliding tube 11 is fixedly connected with a spring 13, and the spring 13 is fixedly connected with the inner wall of the sliding tube 11. The end, located outside the sliding pipe 11, of the sliding rod 12 is fixedly connected with a clamping joint 14, and the clamping joint 14 is clamped with the top of the bolt 5, so that the problem that the joint of the hydraulic cylinder 3 and the bracket 1 is loosened due to rotation of the bolt 5 when receiving impact force is avoided as much as possible.

When the hydraulic cylinder is used, a user aligns a connecting plate 4 at the bottom of a hydraulic cylinder 3 with the top of a support 1, then penetrates a bolt 5 through the connecting plate 4, and screws the bolt 5 with the top of the support 1 together, then installs a sliding pipe 11 in a protective cover 10, fixedly connects a sliding rod 12 at the bottom of the sliding pipe 11 through a spring 13, after connection is finished, the user presses the spring 13 to the inside of the sliding pipe 11 to contract the spring 13 until a clamping joint 14 fixedly connected with the bottom of the sliding rod 12 moves to the top of the bolt 5, at the moment, the sliding rod 12 is loosened, the clamping joint 14 is driven to move downwards under the restoring force of the spring 13 to clamp the clamping joint 14 on the bolt 5, when the hydraulic cylinder 3 is started to punch, strong impact force is generated on the hydraulic cylinder 3 by bottom punching of a piston rod 6, at the moment, the clamping joint 14 is pushed by the spring 13 to be attached to the top of the bolt 5, so that the bolt 5 cannot rotate relative to the support 1 under the clamping action of the clamping joint 14, therefore, the problem that the connection between the hydraulic machine 3 and the bolt 5 is loosened and displaced due to the rotation of the bolt 5, and the stamping accuracy of the hydraulic machine is greatly influenced is solved as much as possible.

Referring to fig. 1, a bottom plate 2 is fixedly connected to the bottom of a bracket 1, and the sectional area of the bottom plate 2 is larger than that of the bracket 1. The bottom of the support 1 is fixedly connected with the bottom plate 2 with the cross section area larger than that of the support 1, so that the contact surface between the support 1 and the ground is increased, and the stability of the whole hydraulic press is greatly improved.

Referring to fig. 1, a circular through hole is formed in the center of the top of the bracket 1, and the diameter of the circular through hole is equal to the diameter of the piston rod 6. Set up circular through-hole on support 1, make piston rod 6 can run through support 1 through circular through-hole to make things convenient for pneumatic cylinder 3 to drive piston rod 6 and stretch out and draw back, carry out punching press work to the work piece.

Referring to fig. 1 and 3, the outer surface of the piston rod 6 is sleeved with a limit ring 7, the limit ring 7 is connected with the piston rod 6 in a sliding manner, connecting rods 8 are fixedly connected to two sides of the limit ring 7, and the limit ring 7 is fixedly connected with the inner wall of the bracket 1 through the connecting rods 8. The piston rod 6 is provided with the limiting ring 7 for limiting the piston rod 6, so that the problem that the quality of a stamped workpiece is low due to the fact that the piston rod 6 deflects during stamping is avoided as much as possible.

Referring to fig. 1 and 3, a stamping plate 9 is arranged at one end of the piston rod 6 far away from the hydraulic cylinder 3, and the stamping plate 9 is fixedly connected with the bottom of the piston rod 6. Set up the punching press board and be used for carrying out the punching press effect to the work piece, become the shape and the size that accord with user's needs with the work piece punching press, convenience of customers uses.

Referring to fig. 1, the sliding rod 12 has a regular hexagonal prism structure, and the size of the sliding rod 12 is matched with the size of the inner cavity of the sliding tube 11. The sliding rod 12 is arranged to be of a regular hexagonal prism structure, so that the problem that the clamping joint 14 fixedly connected with the bottom of the sliding rod 12 cannot limit the bolt 5 due to relative rotation of the sliding rod 12 and the sliding pipe 11 when the sliding rod 12 and the sliding pipe 11 slide with each other can be avoided as much as possible.

Referring to fig. 2, the bottom of the clamping head 14 is provided with a limiting groove, and the size of the inner cavity of the limiting groove is matched with the size of the top of the bolt 5. Set up the spacing groove in joint 14's bottom, make joint 14 pass through the spacing groove joint at bolt 5's top, fix bolt 5 to avoided bolt 5 to produce the rotation after receiving the impact force as far as possible, leaded to the skew to appear in pneumatic cylinder 3 position, thereby influenced the problem of the accuracy nature of the 3 punching presses of pneumatic cylinder.

Referring to fig. 1, a stamping table 15 is arranged on the support 1 at the bottom of the stamping plate 9, and the stamping table 15 and the stamping plate 9 are located on the same vertical plane. Set up stamping station 15 in the bottom of punching press board 9, make stamping press board 9 just in time laminate completely with stamping station 15 in the stamping process, convenience of customers carries out punching press and alignment work to the work piece.

The application has the implementation principle that: when the hydraulic cylinder is used, a user aligns a connecting plate 4 at the bottom of the hydraulic cylinder 3 with the top of a support 1, then penetrates a bolt 5 through the connecting plate 4, the bolt 5 is screwed with the top of the support 1, then the user installs a sliding pipe 11 in a protective cover 10, fixedly connects a sliding rod 12 at the bottom of the sliding pipe 11 through a spring 13, after connection is completed, the user extrudes the spring 13 to the inside of the sliding pipe 11 to enable the spring 13 to contract until a clamping joint 14 fixedly connected with the bottom of the sliding rod 12 moves to the top of the bolt 5, at the moment, the sliding rod 12 is loosened, the clamping joint 14 is driven to move downwards under the restoring force of the spring 13 to clamp the clamping joint 14 on the bolt 5, when the hydraulic cylinder 3 is started to punch, strong impact force is generated on the hydraulic cylinder 3 by punching at the bottom of a piston rod 6, at the moment, the clamping joint 14 is pushed by the spring 13 to be attached to the top of the bolt 5, so that the bolt 5 cannot rotate relative to the support 1 under the clamping action of the clamping joint 14, therefore, the problem that the connection between the hydraulic cylinder 3 and the bolt 5 is loosened and shifted due to the rotation of the bolt 5, and the stamping accuracy of the hydraulic machine is greatly influenced is solved as much as possible.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a frame electrohydraulic servo hydraulic press of high accuracy, includes support (1), its characterized in that: the hydraulic cylinder is arranged at the top of the support (1), a connecting plate (4) is arranged at the joint of the hydraulic cylinder (3) and the support (1), a bolt (5) is arranged on the connecting plate (4), the bolt (5) penetrates through the connecting plate (4), the bolt (5) is in threaded connection with the support (1), a piston rod (6) is fixedly connected to the output end of the hydraulic cylinder (3), the piston rod (6) penetrates through the support (1), the piston rod (6) is in sliding connection with the support (1), a protective cover (10) is sleeved at the top of the hydraulic cylinder (3), the protective cover (10) is fixedly connected with the top of the support (1), a plurality of sliding pipes (11) are arranged in the inner cavity of the protective cover (10), and the plurality of sliding pipes (11) and the plurality of bolts (5) are positioned on the same vertical plane, it is a plurality of sliding tube (11) bottom sliding connection has slide bar (12), slide bar (12) are located slide tube (11) inside one serves fixedly connected with spring (13), spring (13) with slide tube (11) inner wall fixed connection, slide bar (12) are located slide tube (11) outside one serves fixedly connected with joint (14), joint (14) with the top looks joint of bolt (5).

2. The high-precision frame electrohydraulic servo hydraulic machine of claim 1, further comprising: the bottom of the support (1) is fixedly connected with a bottom plate (2), and the cross-sectional area of the bottom plate (2) is larger than that of the support (1).

3. The high-precision frame electrohydraulic servo hydraulic machine of claim 2, further comprising: a circular through hole is formed in the center of the top of the support (1), and the aperture of the circular through hole is equal to the diameter of the piston rod (6).

4. The high-precision frame electrohydraulic servo hydraulic machine of claim 3, further comprising: the outer surface cover of piston rod (6) is equipped with spacing ring (7), spacing ring (7) with piston rod (6) sliding connection, the both sides fixedly connected with connecting rod (8) of spacing ring (7), spacing ring (7) pass through connecting rod (8) with support (1) inner wall fixed connection.

5. The high-precision frame electrohydraulic servo hydraulic machine of claim 1, further comprising: one end of the piston rod (6) far away from the hydraulic cylinder (3) is provided with a stamping plate (9), and the stamping plate (9) is fixedly connected with the bottom of the piston rod (6).

6. The high-precision frame electrohydraulic servo hydraulic machine of claim 5, wherein: the sliding rod (12) is of a regular hexagonal prism structure, and the size of the sliding rod (12) is matched with the size of the inner cavity of the sliding pipe (11).

7. The high-precision frame electrohydraulic servo hydraulic machine of claim 1, further comprising: the bottom of the clamping head (14) is provided with a limiting groove, and the size of the inner cavity of the limiting groove is matched with that of the top of the bolt (5).

8. The high-precision frame electrohydraulic servo hydraulic machine of claim 5, wherein: the stamping die is characterized in that a stamping platform (15) is arranged on the support (1) at the bottom of the stamping plate (9), and the stamping platform (15) and the stamping plate (9) are located on the same vertical plane.