CN217018090U

CN217018090U - Hydraulic plate bending machine

Info

Publication number: CN217018090U
Application number: CN202220662192.2U
Authority: CN
Inventors: 王会堂
Original assignee: Hubei Jindongyuan Heavy Industry Co ltd
Current assignee: Hubei Jindongyuan Heavy Industry Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-07-22
Anticipated expiration: 2032-03-25

Abstract

The utility model discloses a hydraulic plate bending machine, which relates to the technical field of metal plate processing machinery and comprises an upper support, a lower support arranged below the upper support, an upper die arranged at the bottom of the upper support, a workbench arranged at the top of the lower support and a lower die arranged on the upper surface of the workbench, wherein vertical sliding sleeves are symmetrically embedded in the front and back of the workbench by taking the lower die as a center, pull rods are movably inserted in the sliding sleeves, clamping blocks are arranged at the upper ends of the pull rods and clamped in grooves in the front and back of the lower die, and connecting plates are arranged between the lower end surfaces of the pull rods on the front and back of the lower die. According to the utility model, by arranging the pull rods and the clamping blocks which are symmetrical front and back at the positions of the lower die and apply downward pulling force and pressure to the lower die, the problem that a common hydraulic bending machine which fastens and fixes the lower die through a bolt front and back clamp in the market at present is inconvenient to accurately position and fix the lower die is solved.

Description

Hydraulic plate bending machine

Technical Field

The utility model relates to the technical field of metal plate processing machinery, in particular to a hydraulic plate bending machine.

Background

The hydraulic bending machine is a machine capable of bending a metal plate, and drives an upper die to press downwards through hydraulic transmission so as to bend the metal plate between the upper die and a lower die into a shape corresponding to the die. The use of the hydraulic bending machine greatly promotes the mass and specialized production of standard parts and provides a strong promoting effect for the manufacturing industry.

When the hydraulic bending machine bends a metal plate, different upper dies and lower dies are needed. The hydraulic bending machine that circulates on the market at present's bed die installation fixed mode is diversified, and wherein press from both sides tight fixed mode more common around through the bolt, but this kind of fixed mode when the bolt is screwed up in the middle part and both sides at the bed die front and back, need adjust many times to a plurality of bolts and screw up gradually, just can install more accurate position to the bed die, ensures that the sheet metal of bending reaches higher quality requirement. However, the above operation is highly dependent on human, the experience of the worker is checked, and the operation is troublesome, which is inconvenient for replacing the lower mold. Because the commonality of last mould is higher than the bed die, in hydraulic bending machine's long-term use, the change frequency of bed die is higher for last mould, therefore it can be seen that the hydraulic bending machine who makes things convenient for the clamp fastening to decide the bed die has very much market prospect.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a hydraulic plate bending machine which is used for solving the problem that a common hydraulic bending machine which fastens a fixed lower die through a bolt front clamp and a bolt rear clamp in the current market is inconvenient to accurately position and fix the lower die.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a hydraulic plate bending machine, includes the upper bracket, set up the lower carriage below the upper bracket, install the last mould in the upper bracket bottom, set up the workstation at the lower carriage top and set up the lower mould at the workstation upper surface, use the lower mould to inlay symmetrically around the center on the workstation to have vertical sliding sleeve, the inside activity of sliding sleeve is pegged graft and is had the pull rod, the upper end of pull rod is provided with the fixture block, the fixture block joint is in the slot at the front of lower mould and the back, be provided with the connecting plate between the pull rod lower extreme surface at the front of lower mould and the back, the central point department of connecting plate is provided with vertical screw rod, be provided with the dog that is located the connecting plate top on the screw rod, the position department that the surface of screw rod is located the connecting plate below is provided with the thread bush of installing on the lower carriage, and the bottom of screw rod is provided with the cross handle.

Preferably, the fixture blocks at least comprise three groups which are respectively arranged in the middle of the surface of the lower die and close to the left end and the right end.

Preferably, the fixture block is in threaded connection with the surface of the pull rod, and a fastening nut located above the fixture block is further arranged on the surface of the pull rod.

Preferably, the connecting plates are arc-shaped plates, and the two connecting plates are arranged in an up-and-down symmetrical manner.

Preferably, the lower surface of the stop block is hemispherical, and the stop block is arranged above the two connecting plates.

Preferably, the connecting plates are movably sleeved on the surfaces of the pull rods, and supporting nuts are arranged at positions, located below the two connecting plates, on the surfaces of the pull rods.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the pull rods and the clamping blocks are arranged at the front and back of the lower die, the front and back positions of the pull rods are fixed and unchanged, the screw rod is rotated to simultaneously drive the two pull rods and the clamping blocks to move downwards through the connecting plate, and the front and back positions of the lower die are simultaneously fixed and clamped, so that the lower die is positioned at the center between the front pull rod and the back pull rod, the effect of accurately positioning and fixing the lower die is conveniently achieved, and the problem that a hydraulic bending machine for fastening the lower die through a front clamp and a back clamp of a bolt is inconvenient to accurately position and fix the lower die in the current market is solved.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is an elevation view of the pull rod of the present invention at the location;

FIG. 3 is a side cross-sectional view of the tie bar of the present invention.

In the figure: 1. an upper bracket; 2. a lower bracket; 3. an upper die; 4. a work table; 5. a lower die; 6. a sliding sleeve; 7. a pull rod; 8. a clamping block; 9. a connecting plate; 10. a screw; 11. a stopper; 12. a threaded sleeve; 13. a cross handle; 14. fastening a nut; 15. and a nut is supported.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-3, the present invention provides a technical solution: a hydraulic plate bending machine comprises an upper support 1, a lower support 2 arranged below the upper support 1, an upper die 3 installed at the bottom of the upper support 1, a workbench 4 arranged at the top of the lower support 2 and a lower die 5 arranged on the upper surface of the workbench 4, wherein a vertical sliding sleeve 6 is symmetrically embedded in the front and the back of the workbench 4 by taking the lower die 5 as the center, a pull rod 7 can slide up and down along the sliding sleeve 6, the inner part of the sliding sleeve 6 is movably inserted with the pull rod 7, the upper end of the pull rod 7 is provided with a fixture block 8, the fixture block 8 is used for downwards pressing the lower die 5, the fixture block 8 is clamped in a groove on the front surface and the back surface of the lower die 5, a connecting plate 9 is arranged between the lower end surfaces of the pull rod 7 on the front surface and the back surface of the lower die 5, the connecting plate 9 is used for driving the pull rod 7 to downwards move, a vertical screw rod 10 is arranged at the central position of the connecting plate 9, and a stop block 11 positioned above the connecting plate 9 is arranged on the screw rod 10, the surface of the screw rod 10 is provided with a thread bushing 12 mounted on the lower bracket 2 at a position below the connecting plate 9, and the bottom end of the screw rod 10 is provided with a cross handle 13.

As a technical optimization scheme of the utility model, the fixture block 8 at least comprises three groups which are respectively arranged at the middle part of the surface of the lower die 5 and close to the left end and the right end, and the two ends and the middle part of the lower die 5 are respectively positioned and fixed.

As a technical optimization scheme of the utility model, the fixture block 8 is in threaded connection with the surface of the pull rod 7, and the surface of the pull rod 7 is further provided with the fastening nut 14 positioned above the fixture block 8, so that different fixture blocks 8 with corresponding shapes can be used according to lower dies 5 with different shapes, thereby conveniently positioning and fixing the lower dies 5 with different shapes.

As a technical optimization scheme of the utility model, the connecting plates 9 are arc-shaped plates, the number of the connecting plates 9 is two, the two connecting plates 9 are arranged up and down symmetrically, and the directions of horizontal direction components applied to the pull rod 7 by the two connecting plates 9 are opposite, so that the two connecting plates have offsetting effect, the pull rod 7 can be ensured to be vertical, and the fixture block 8 at the top of the pull rod can clamp the lower die 5.

As a technical optimization scheme of the utility model, the lower surface of the stop block 11 is hemispherical, the stop blocks 11 are arranged above the two connecting plates 9, the stop blocks 11 are driven to rotate by the rotation of the screw 10, the two stop blocks 11 with the hemispherical lower surfaces simultaneously and respectively apply downward pressure to the two connecting plates 9, so that the two connecting plates 9 simultaneously apply tension to the pull rod 7, and the connecting plates 9 and the pull rod 7 are prevented from deforming.

As a technical optimization scheme of the utility model, the connecting plates 9 are movably sleeved on the surfaces of the pull rods 7, and the supporting nuts 15 are arranged at the positions, below the two connecting plates 9, on the surfaces of the pull rods 7, so that the assembly of all parts is facilitated.

The working principle is as follows: the cross handle 13 is rotated, the screw rod 10 rotates in the threaded sleeve 12, downward pressure is applied to the connecting plate 9 through the stop block 11, the connecting plate 9 drives the pull rod 7 and the fixture block 8 to move downwards on the front face and the back face of the lower die 5 simultaneously through the supporting nut 15, the pull rod 7 and the fixture block 8 are symmetrically arranged on the front face and the back face of the lower die 5, downward pressure is applied simultaneously, the lower die 5 is ensured to be located at the center position between the pull rod 7 which is symmetrical in the front and back, positioning of the lower die 5 is achieved, the fixture block 8 presses the lower die 5 downwards, and the fixing effect is achieved.

In conclusion, the draw bar 7 and the fixture block 8 which are arranged at the front and back of the lower die 5 in a symmetrical mode and apply downward tension and pressure to the lower die 5 solve the problem that a hydraulic bending machine which fastens and fixes the lower die through a bolt front and back clamp is inconvenient to accurately position and fix the lower die in the market at present.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydraulic plate bending machine, includes upper bracket (1), sets up lower carriage (2) of upper bracket (1) below, installs last mould (3) in upper bracket (1) bottom, sets up workstation (4) at lower carriage (2) top and sets up lower mould (5) at workstation (4) upper surface, its characterized in that: the novel numerical control lathe is characterized in that vertical sliding sleeves (6) are symmetrically embedded in the front and the back of the workbench (4) by taking the lower die (5) as a center, pull rods (7) are movably inserted in the sliding sleeves (6), clamping blocks (8) are arranged at the upper ends of the pull rods (7), the clamping blocks (8) are clamped in grooves in the front face and the back face of the lower die (5), connecting plates (9) are arranged between the surfaces of the lower ends of the pull rods (7) in the front face and the back face of the lower die (5), vertical screw rods (10) are arranged at the central positions of the connecting plates (9), check blocks (11) located above the connecting plates (9) are arranged on the screw rods (10), threaded sleeves (12) installed on the lower support (2) are arranged at the positions, located below the connecting plates (9), of the surfaces of the screw rods (10), and cross handles (13) are arranged at the bottom ends of the screw rods (10).

2. The hydraulic plate bending machine according to claim 1, characterized in that: the fixture blocks (8) at least comprise three groups which are respectively arranged in the middle of the surface of the lower die (5) and are close to the left end and the right end.

3. The hydraulic plate bending machine according to claim 1, characterized in that: the fixture block (8) is in threaded connection with the surface of the pull rod (7), and a fastening nut (14) located above the fixture block (8) is further arranged on the surface of the pull rod (7).

4. The hydraulic plate bending machine according to claim 1, characterized in that: the connecting plates (9) are arc-shaped plates, two connecting plates (9) are arranged, and the two connecting plates (9) are arranged in an up-and-down symmetrical mode.

5. The hydraulic plate bending machine according to claim 4, wherein: the lower surface of the stop block (11) is hemispherical, and the stop block (11) is arranged above the two connecting plates (9).

6. The hydraulic plate bending machine according to claim 4, wherein: the connecting plates (9) are movably sleeved on the surfaces of the pull rods (7), and supporting nuts (15) are arranged at positions, located below the two connecting plates (9), on the surfaces of the pull rods (7).