CN211539072U

CN211539072U - High-efficiency high-precision hydraulic bending machine

Info

Publication number: CN211539072U
Application number: CN202020061585.9U
Authority: CN
Inventors: 尹可可; 王�锋
Original assignee: Qingdao Bafang Power Equipment Engineering Co ltd
Current assignee: Qingdao Bafang Power Equipment Engineering Co ltd
Priority date: 2020-01-11
Filing date: 2020-01-11
Publication date: 2020-09-22
Anticipated expiration: 2030-01-11

Abstract

The utility model relates to a high-efficiency high-precision hydraulic bending machine, which comprises a base, a bracket and a lower die, wherein the bracket is positioned at one side of the base, the lower die is positioned at the top end of the base, a chute is arranged on the base along the width direction of the lower die, and the chute is positioned below the lower die; a bottom plate is arranged in the sliding groove in a sliding manner along the width direction of the lower die, a first positioning plate and a second positioning plate are respectively vertically and upwardly arranged at two ends of the bottom plate in the width direction of the lower die, a first spring is horizontally arranged at one end, close to the second positioning plate, of the first positioning plate, and a first movable plate is connected to one end, far away from the first positioning plate, of the first spring in the vertical direction; the first movable plate and the second positioning plate are respectively positioned on two sides of the lower die along the width direction of the lower die, and the top ends of the first positioning plate, the second positioning plate and the first movable plate are all higher than the top end of the lower die. The utility model discloses the effect that improves staff work efficiency has.

Description

High-efficiency high-precision hydraulic bending machine

Technical Field

The utility model belongs to the technical field of the technique of bender and specifically relates to a high efficiency high accuracy hydraulic bending machine is related to.

Background

The bending machine is a machine capable of bending a thin plate, is important equipment for bending and forming workpieces in the metal plate industry, and is used for manufacturing steel plates into parts in various shapes according to process requirements. For the hydraulic bending machine, on one hand, when the hydraulic cylinder moves downwards to bend the plate, the hydraulic cylinder can move downwards excessively under the influence of self inertia to cause the plate to be bent excessively, so that the bending precision of the plate is low; on the other hand, before bending at every time, the plate needs to be positioned and fixed manually, so that the time is consumed, and the working efficiency is low. Therefore, a hydraulic bending machine with high efficiency and high precision is necessary.

The existing Chinese patent with the publication number of CN205032505U discloses a high-precision hydraulic bending machine, which comprises a base, wherein a support and a guide pillar are vertically arranged on the base, a slide block is sleeved on the guide pillar, an upper hydraulic jack (namely an upper hydraulic cylinder) is arranged above the support, a piston rod of the upper hydraulic cylinder is connected with the slide block, an upper die is arranged at the lower end of the slide block, and a lower die is arranged on the base at a position corresponding to the upper die; a distance sensor is vertically and downwards arranged on the sliding block, and a sensor reflection point is arranged at a corresponding position on the base; the base is provided with a controller, the lower hydraulic jack (namely, the lower hydraulic cylinder) is positioned on the base, and the upper hydraulic jack, the lower hydraulic jack and the distance sensor are all connected with the controller. The upper die stroke distance is set in the controller, the distance between the upper die and the lower die is monitored in real time through the distance sensor, when the upper die is close to the set stroke, the controller starts the lower hydraulic jack, when the upper die reaches the set stroke, the controller stops the upper hydraulic jack, and the lower hydraulic jack jacks the sliding block, so that the upper die is prevented from moving downwards due to inertia.

The above prior art solutions have the following drawbacks: the high-precision hydraulic bending machine is not provided with a corresponding positioning device, whether the placing position of the plate is accurate or not needs to be confirmed repeatedly by manpower before the plate is bent, the process of confirming the positioning repeatedly by the manpower consumes time, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a high efficiency high accuracy hydraulic bending machine, it has the advantage that improves staff work efficiency.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a high-efficiency high-precision hydraulic bending machine comprises a base, a support and a lower die, wherein the support is located on one side of the base, the lower die is located at the top end of the base, a sliding groove is formed in the base in the width direction of the lower die, and the sliding groove is located below the lower die; a bottom plate is arranged in the sliding groove in a sliding manner along the width direction of the lower die, a first positioning plate and a second positioning plate are respectively vertically and upwardly arranged at two ends of the bottom plate in the width direction of the lower die, a first spring is horizontally arranged at one end, close to the second positioning plate, of the first positioning plate, and a first movable plate is connected to one end, far away from the first positioning plate, of the first spring along the vertical direction; the first movable plate and the second positioning plate are respectively positioned on two sides of the lower die along the width direction of the lower die, and the top ends of the first positioning plate, the second positioning plate and the first movable plate are all higher than the top end of the lower die.

Through adopting above-mentioned technical scheme, slide in the spout and be provided with the bottom plate after, the bottom plate can slide along the width direction of lower mould in the spout to drive the first locating plate and the second locating plate of being connected with the bottom plate and remove along the width direction of lower mould, because there is first fly leaf through first spring coupling on the first locating plate, consequently first fly leaf also can remove along the width direction of lower mould along the bottom plate. Finally can realize that panel fixes between first fly leaf and second locating plate, thereby because the spring of being connected on the first fly leaf can make first fly leaf and second locating plate tightly support panel and fix it under the effect of self resilience force, this fixed process is simple rapid, then can slide the bottom plate in the spout to this is adjusted panel to the position that needs bend and is located the lower mould, alright the operation of bending. The whole process operation is completed to form the positioning process of the plate, the positioning process is convenient to operate, simple and fast, and the working efficiency of workers is improved.

The present invention may be further configured in a preferred embodiment as: the one end level that the second locating plate is close to first locating plate is provided with the second spring, the one end that the second locating plate was kept away from to the second spring is connected with the second fly leaf along vertical direction, first fly leaf and second fly leaf are located the both sides of lower mould along its width direction respectively, the top of second fly leaf flushes with the top of first fly leaf.

By adopting the technical scheme, before the second movable plate is not arranged, the plates are positioned through the first movable plate and the second positioning plate, after the second movable plate is arranged, the plates are positioned through the first movable plate and the second movable plate, when the first spring and the second spring are both in a loose state, the distance between the first movable plate and the second movable plate is smaller than the distance between the first movable plate and the second positioning plate, and the bending requirements of more plates with different sizes can be met.

The present invention may be further configured in a preferred embodiment as: the two first springs are respectively positioned at two ends of the end surface, close to the first movable plate, of the first positioning plate; the number of the second springs is two, and the two second springs are respectively positioned at two ends of the end face, close to the second movable plate, of the second positioning plate.

Through adopting above-mentioned technical scheme, first spring and second spring all are provided with two, can guarantee that first fly leaf and second fly leaf can not take place the slope when fixed panel, also can improve first fly leaf and second fly leaf simultaneously to the fixed dynamics of panel to the precision when improving the panel of bending.

The present invention may be further configured in a preferred embodiment as: a first movable rod fixedly connected with the first movable plate penetrates through the first positioning plate, and the first movable rod is connected with the first positioning plate in a sliding manner; and a second movable rod fixedly connected with the second movable plate is arranged on the second positioning plate in a penetrating manner, and the second movable rod is connected with the second positioning plate in a sliding manner.

Through adopting above-mentioned technical scheme, thereby can drive first fly leaf and the fixed panel of second fly leaf through pulling first movable rod and second movable rod after first movable rod and the setting of second movable rod, the staff's operation of being convenient for.

The present invention may be further configured in a preferred embodiment as: the bottom ends of the first movable plate and the second movable plate are both in contact with the base, and the lengths of the first movable plate and the second movable plate in the length direction of the lower die are equal to the length of the lower die.

Through adopting above-mentioned technical scheme, the bottom of first fly leaf and second fly leaf all contacts with the base, can make first fly leaf and second fly leaf panel difficult emergence slope when fixed panel, and the length of first fly leaf and second fly leaf board on lower mould length direction all equals with the length of lower mould, can play better fixed action to the longer panel of length.

The present invention may be further configured in a preferred embodiment as: the first movable rod is provided with a first limiting block, and the first limiting block is positioned on one side, away from the first movable plate, of the first positioning plate; and a second limiting block is arranged on the second movable rod and is positioned on one side of the second positioning plate, which is far away from the second movable plate.

Through adopting above-mentioned technical scheme, can prevent after the setting of first stopper that the people from being mishandled and slide first movable rod to breaking away from first locating plate, can prevent after the setting of second stopper that the people from being mishandled and slide the second movable rod to breaking away from the second locating plate.

The present invention may be further configured in a preferred embodiment as: the bottom ends of the first movable plate and the second movable plate are provided with a plurality of balls at the parts contacted with the base.

Through adopting above-mentioned technical scheme, the setting of ball can reduce the frictional force when first fly leaf and second fly leaf move on the base.

The present invention may be further configured in a preferred embodiment as: the bottom fixedly connected with of lower mould accepts the board, it is provided with the screw to accept on the board, it passes through bolted connection with the base to accept the board.

By adopting the technical scheme, the lower die can be replaced after the bearing plate is arranged.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the sliding groove, the bottom plate, the first positioning plate, the second positioning plate, the first spring and the first movable plate, the quick positioning can be realized, and the working efficiency of workers is improved;

2. through the setting of second fly leaf and second spring, can adapt to the fixed needs of the panel of more different sizes.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a high-efficiency high-precision hydraulic bending machine according to an embodiment;

fig. 2 is a bottom view of a high efficiency, high precision hydraulic bending machine, according to an embodiment;

fig. 3 is an exploded view of a high efficiency, high accuracy hydraulic bending machine, according to an embodiment.

In the figure, 1, a base; 11. an upper die; 12. a lower die; 121. a bearing plate; 122. a screw; 13. a chute; 131. a base plate; 132. a first positioning plate; 133. a second positioning plate; 134. a first spring; 135. a first movable plate; 136. a second spring; 137. a second movable plate; 138. a first movable bar; 139. a second movable bar; 14. a ball bearing; 15. a ball groove; 2. a support; 21. an upper hydraulic cylinder; 22. a connecting plate; 221. a rubber pad; 23. a guide bar; 24. a controller; 25. a distance sensor; 26. a sensor reflection point; 27. a lower hydraulic cylinder; 28. a first stopper; 29. and a second limiting block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a high efficiency high accuracy hydraulic bending machine, including base 1, support 2, go up mould 11 and lower mould 12, support 2 is located one side of base 1, and lower mould 12 is located the top of base 1, and base 1 is last to have seted up spout 13 along the width direction of lower mould 12. Referring to fig. 3, a bottom plate 131 is slidably disposed in the chute 13 along the width direction of the lower mold 12, a first positioning plate 132 and a second positioning plate 133 are vertically and upwardly disposed at two ends of the bottom plate 131 in the width direction of the lower mold 12, a first spring 134 is horizontally disposed at one end of the first positioning plate 132 close to the second positioning plate 133, and a first movable plate 135 is vertically connected to one end of the first spring 134 away from the first positioning plate 132; a second spring 136 is horizontally disposed at an end of the second positioning plate 133 close to the first positioning plate 132, and a second movable plate 137 is vertically connected to an end of the second spring 136 far from the second positioning plate 133. The top ends of the first positioning plate 132, the second positioning plate 133, the first movable plate 135 and the second movable plate 137 are flush with each other and are higher than the top end of the lower mold 12, the lengths of the first movable plate 135 and the second movable plate 137 in the length direction of the lower mold 12 are equal to the length of the lower mold 12, and the lengths of the parts of the first positioning plate 132 and the second positioning plate 133 outside the sliding groove 13 in the length direction of the lower mold 12 are equal to the length of the lower mold 12.

Referring to fig. 1, a receiving plate 121 is fixedly connected to a bottom end of a lower die 12, a screw 122 is provided on the receiving plate 121, the receiving plate 121 is connected to a base 1 by the screw 122, and a chute 13 is located below the lower die 12. The first springs 134 and the second springs 136 are located above the sliding chute 13, two first springs 134 are provided, and the two first springs 134 are located at two sides of one end of the first positioning plate 132 close to the first movable plate 135 along the length direction of the lower die 12; two second springs 136 are provided, and the two second springs 136 are respectively located at two sides of one end of the second positioning plate 133 close to the second movable plate 137 along the length direction of the lower die 12.

Referring to fig. 1, a first movable rod 138 fixedly connected to the first movable plate 135 horizontally penetrates through the first positioning plate 132 and located between the two first springs 134, and the first movable rod 138 is slidably connected to the first positioning plate 132; a second movable rod 139 fixedly connected to the second movable plate 137 is horizontally disposed on the second positioning plate 133 and between the two second springs 136, and the second movable rod 139 is slidably connected to the second positioning plate 133. The first movable rod 138 is fixedly connected with a first limit block 28, and the first limit block 28 is located on one side of the first positioning plate 132 away from the first movable plate 135; the second movable rod 139 is fixedly connected to a second limiting block 29, and the second limiting block 29 is located on a side of the second positioning plate 133 away from the second movable plate 137. When the first spring 134 is in a relaxed state, one end of the first stopper 28 close to the first positioning plate 132 abuts against the first positioning plate 132, and when the second spring 136 is in a relaxed state, one end of the second stopper 29 close to the second positioning plate 133 abuts against the second positioning plate 133.

Referring to fig. 1 and 3, the first movable plate 135 and the second movable plate 137 are respectively located at two sides of the lower mold 12 along the width direction thereof, end surfaces of ends of the first movable plate 135 and the second movable plate 137 close to the lower mold 12 are vertical planes, two sides of bottom ends of the first movable plate 135 and the second movable plate 137 along the length direction of the lower mold 12 are both in contact with the base 1, and portions of the bottom ends of the first movable plate 135 and the second movable plate 137 in contact with the base 1 are both provided with four balls 14. Specifically, four ball grooves 15 are formed in a portion, which contacts the base 1, of the bottom end of the first movable plate 135, the depth of each ball groove 15 is greater than the radius of each ball 14, the first movable plate 135 is divided into several parts by using a vertical surface, which divides the ball grooves 15 into left and right parts in the vertical direction, as a reference surface, the balls 14 are correspondingly placed in the ball grooves 15, then the first movable plate 135 is welded and formed, and the manner of mounting the balls 14 on the second movable plate 137 is the same as that of the first movable plate 135.

Referring to fig. 1 and 2, a support 2 is arranged on one side of a base 1, an upper hydraulic cylinder 21 is arranged at the top end of the support 2, a piston rod of the upper hydraulic cylinder 21 is connected with a connecting plate 22 vertically downwards, one end of the connecting plate 22 far away from the hydraulic cylinder is connected with an upper die 11, and the upper die 11 is arranged corresponding to a lower die 12. A guide rod 23 vertically penetrates through the connecting plate 22, the top end of the guide rod 23 is fixedly connected with the support 2, the bottom end of the guide rod 23 is fixedly connected with the base 1, and the connecting plate 22 can slide up and down along the guide rod 23. The base 1 is provided with a controller 24, the connecting plate 22 is provided with a distance sensor 25, the bearing plate 121 is provided with a sensor reflection point 26 at a corresponding position, the bearing plate 121 is provided with a lower hydraulic cylinder 27, a piston rod of the lower hydraulic cylinder 27 is vertically arranged upwards, and the bottom end of the connecting plate 22 and the piston rod of the lower hydraulic cylinder 27 are provided with a rubber pad 221 at a corresponding position. The stroke distance of the upper die 11 is set in the controller 24, the distance between the upper die 11 and the lower die 12 is monitored in real time through the distance sensor 25, when the upper die 11 approaches the set stroke, the controller 24 starts the lower hydraulic cylinder 27, when the upper die 11 reaches the set stroke, the controller 24 stops the upper hydraulic cylinder 21, the piston rod of the lower hydraulic cylinder 27 upwards abuts against the rubber pad 221 on the connecting plate 22, and the upper die 11 is prevented from moving downwards due to inertia.

The implementation principle of the above embodiment is as follows:

in use, one end of the plate to be bent is first abutted against one end of the first movable plate 135 close to the lower die 12. Then the second movable rod 139 is pulled to push the other end of the plate against one end of the second movable plate 137 close to the lower mold 12. And finally, the part of the plate to be bent is pushed to the right above the lower die 12 by pushing the first positioning plate 132 or the second positioning plate 133, so that the plate can be accurately positioned.

Since the controller 24 sets the stroke distance of the upper mold 11, the upper hydraulic cylinder 21 drives the lower mold 12 to move downward after the upper hydraulic cylinder 21 is actuated. In this process, the connection plate 22 moves down along the guide bar 23 to stabilize the upper mold 11 during the downward movement, and the distance between the upper mold 11 and the lower mold 12 can be monitored in real time by the distance sensor 25. When the upper mold 11 approaches the set stroke, the controller 24 starts the lower hydraulic cylinder 27, and when the upper mold 11 reaches the set stroke, the controller 24 stops the upper hydraulic cylinder 21, and the piston rod of the lower hydraulic cylinder 27 abuts upward against the rubber pad 221 on the connecting plate 22, thereby preventing the upper mold 11 from moving downward due to inertia. The plate can be accurately bent through the operation.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a high efficiency high accuracy hydraulic bending machine, includes base (1), support (2) and lower mould (12), support (2) are located one side of base (1), lower mould (12) are located the top of base (1), its characterized in that: a sliding groove (13) is formed in the base (1) along the width direction of the lower die (12), and the sliding groove (13) is located below the lower die (12); a bottom plate (131) is arranged in the sliding groove (13) in a sliding manner along the width direction of the lower die (12), a first positioning plate (132) and a second positioning plate (133) are respectively vertically and upwardly arranged at two ends of the bottom plate (131) in the width direction of the lower die (12), a first spring (134) is horizontally arranged at one end, close to the second positioning plate (133), of the first positioning plate (132), and a first movable plate (135) is connected to one end, far away from the first positioning plate (132), of the first spring (134) along the vertical direction; the first movable plate (135) and the second positioning plate (133) are respectively positioned on two sides of the lower die (12) along the width direction of the lower die, and the top ends of the first positioning plate (132), the second positioning plate (133) and the first movable plate (135) are higher than the top end of the lower die (12).

2. A high efficiency high accuracy hydraulic bending machine according to claim 1, wherein: one end of the second positioning plate (133) close to the first positioning plate (132) is horizontally provided with a second spring (136), one end of the second spring (136) far away from the second positioning plate (133) is connected with a second movable plate (137) along the vertical direction, the first movable plate (135) and the second movable plate (137) are respectively positioned at two sides of the lower die (12) along the width direction of the lower die, and the top end of the second movable plate (137) is flush with the top end of the first movable plate (135).

3. A high efficiency high accuracy hydraulic bending machine according to claim 2, wherein: the number of the first springs (134) is two, and the two first springs (134) are respectively positioned at two ends of the end surface, close to the first movable plate (135), of the first positioning plate (132); the number of the second springs (136) is two, and the two second springs (136) are respectively located at two ends of the end face, close to the second movable plate (137), of the second positioning plate (133).

4. A high efficiency high accuracy hydraulic bending machine according to claim 2, wherein: a first movable rod (138) fixedly connected with the first movable plate (135) penetrates through the first positioning plate (132), and the first movable rod (138) is connected with the first positioning plate (132) in a sliding manner; a second movable rod (139) fixedly connected with the second movable plate (137) penetrates through the second positioning plate (133), and the second movable rod (139) is connected with the second positioning plate (133) in a sliding manner.

5. A high efficiency high accuracy hydraulic bending machine according to claim 2, wherein: the bottom ends of the first movable plate (135) and the second movable plate (137) are both in contact with the base (1), and the lengths of the first movable plate (135) and the second movable plate (137) in the length direction of the lower die (12) are both equal to the length of the lower die (12).

6. A high efficiency high accuracy hydraulic bending machine according to claim 4, wherein: the first movable rod (138) is provided with a first limiting block (28), and the first limiting block (28) is positioned on one side, away from the first movable plate (135), of the first positioning plate (132); the second movable rod (139) is provided with a second limiting block, and the second limiting block is positioned on one side of the second positioning plate (133) far away from the second movable plate (137).

7. A high efficiency high accuracy hydraulic bending machine according to claim 5, wherein: the bottom ends of the first movable plate (135) and the second movable plate (137) are provided with a plurality of balls (14) at the parts contacting with the base (1).

8. A high efficiency high accuracy hydraulic bending machine according to claim 2, wherein: the bottom end of the lower die (12) is fixedly connected with a bearing plate (121), a screw (122) is arranged on the bearing plate (121), and the bearing plate (121) is connected with the base (1) through the screw (122).