CN221269352U - Hydraulic bending device - Google Patents

Abstract

The utility model provides a hydraulic bending device, which comprises: a frame; the base is arranged on the frame; the base mold is arranged on the base; and at least one hydraulic jack, the fixed end of which is detachably fixed on the frame; the upper die is connected with the driving end of at least one hydraulic jack, and a plate to be bent is placed on the upper die; the upper die and the base die are correspondingly arranged, and when at least one hydraulic jack drives the upper die to move to a preset bending position towards the base die, the upper die punches the plate to be bent, so that the plate to be bent is bent to meet the preset bending requirement of the plate to be bent. According to the utility model, the upper die is matched with the base die, so that the impact force is applied to the plate to be bent by using the upper die. Thereby the plate to be bent is deformed under force to be bent. The cold bending deformation mode is used for bending the components in the variable cross-section component, so that the manufacturing efficiency can be improved, the influence on the mechanical properties of steel materials can be reduced as much as possible, and the standard specification is met.

Description

Hydraulic bending device

Technical Field

The utility model relates to the technical field of manufacturing of steel structural members, in particular to a hydraulic bending device.

Background

At present, in the design and manufacture of steel structures, a plurality of variable cross-section steel members exist, the variable cross-section parts of the steel members are subjected to the bending treatment in a disconnected welding connection mode or in a bending mode by adopting flame heating, the efficiency is low, the mechanical properties of steel materials can be changed through high temperature regardless of welding or flame heating, and the stress intensity of the variable cross-section joint position is weakened.

In other words, the manufacturing of the bending plate in the prior art has the problem of changing the mechanical properties of the steel at high temperature.

Disclosure of utility model

The utility model provides a hydraulic bending device for solving the technical problems, and solves the problem that the mechanical properties of steel materials are changed at high temperature when bending plates are manufactured.

The utility model provides a hydraulic bending device, comprising: a frame; the base is arranged on the frame; the base mold is arranged on the base; and at least one hydraulic jack, the fixed end of which is detachably fixed on the frame; the upper die is connected with the driving end of at least one hydraulic jack, and a plate to be bent is placed on the upper die; the upper die and the base die are correspondingly arranged, and when at least one hydraulic jack drives the upper die to move to a preset bending position towards the base die, the upper die punches the plate to be bent, so that the plate to be bent is bent to meet the preset bending requirement of the plate to be bent.

In one embodiment, a frame includes: a bottom plate placed on the ground; the vertical plate is arranged on the bottom plate; and

The suspension support frame is arranged on the bottom plate, and one side of the suspension support frame is connected with the vertical plate; wherein, the base sets up on the bottom plate, and the stiff end detachably of at least one hydraulic jack is fixed on the suspension support frame.

In one embodiment, a suspension support includes: the first vertical supporting plate is arranged on the bottom plate; the second vertical supporting plate is arranged on the bottom plate and is arranged at intervals with the first vertical supporting plate in the first direction; the transverse supporting plates are arranged on the first vertical supporting plate and the second vertical supporting plate; the transverse supporting plate is provided with a sliding groove along a first direction, and the driving end of at least one hydraulic jack penetrates out of the sliding groove; the suspension support frame further comprises a pressing component, and the pressing component is used for pressing and fixing the upper die on the transverse support plate.

In one embodiment, a through hole is formed in the transverse supporting plate, and the compressing assembly comprises: a first platen; the second pressing plate is arranged at intervals in the first direction with the first pressing plate; the threaded fastener is arranged on the first pressing plate and the second pressing plate in a penetrating way and used for fixing the first pressing plate and the second pressing plate; the fixed end of at least one hydraulic jack is clamped between the first pressing plate and the second pressing plate.

In one embodiment, the frame further comprises a baffle plate disposed on the riser, the fixed end of the at least one hydraulic jack being in contact with the baffle plate, the fixed end being in abutting contact with the baffle plate when the drive end of the at least one hydraulic jack extends downwardly.

In one embodiment, the baffle comprises: the straight plate is arranged on the vertical plate; and the reinforcing plate is arranged on one end of the straight plate, which is far away from the fixed end, and is connected with the vertical plate.

In one embodiment, the first vertical support plate and the second vertical support plate are provided with notches, the notches are arranged corresponding to the sliding grooves, and at least one hydraulic jack can be installed in the sliding grooves from the notches along the first direction.

In one embodiment, the at least one hydraulic jack is connected to the upper mold by a connecting bolt.

In one embodiment, a plurality of hydraulic jacks are included, the plurality of hydraulic jacks being spaced apart along a first direction.

In one embodiment, the method further comprises: the hydraulic control assembly is arranged on the frame, is connected with the plurality of hydraulic jacks and is used for controlling the plurality of hydraulic jacks to synchronously stretch out and draw back; and/or an infrared device arranged on the frame and used for adjusting the relative position of the base mould and the upper mould.

Compared with the prior art, the utility model has the beneficial effects that: through the cooperation of last mould and base mould, utilize the last mould to treat the board of bending and exert impact force. Thereby the plate to be bent is deformed under force to be bent. The cold bending deformation mode is used for bending the components in the variable cross-section component, so that the manufacturing efficiency can be improved, the influence on the mechanical properties of steel materials can be reduced as much as possible, and the standard specification is met. The frame and the base are specially arranged in the application and used as a fixed supporting foundation for supporting the base die and the upper die. Thus, the stability and the reliability of the hydraulic jack are improved, and the plate to be bent can meet the bending requirement. Moreover, the fixed end of the hydraulic jack is detachably fixed on the frame, so that the hydraulic jack is convenient to replace, and the convenience of using the hydraulic bending device is improved.

Drawings

FIG. 1 is a schematic perspective view of a hydraulic bending device according to an embodiment of the present utility model;

FIG. 2 is a front view of a hydraulic bending device according to an embodiment of the present utility model;

Fig. 3 is a schematic perspective view of the base mold and the upper mold in fig. 1.

In the figure: 10. a frame; 11. a bottom plate; 12. a vertical plate; 13. a hanging support frame; 131. a first vertical support plate; 132. a second vertical support plate; 133. a transverse support plate; 1331. a chute; 134. a compression assembly; 1341. a first platen; 1342. a second pressing plate; 1343. a threaded fastener; 14. a baffle; 141. a straight plate; 142. a reinforcing plate; 20. a base; 30. a base mold; 40. an upper die; 50. a hydraulic jack; 60. a connecting bolt; 70. a hydraulic control assembly; 71. a hand-held control switch; 80. an infrared device.

Detailed Description

The utility model is described in further detail below with reference to the drawings and specific examples.

As shown in fig. 1 and 2, the present utility model provides a hydraulic bending apparatus comprising a frame 10, a base 20, a base mold 30, and at least one hydraulic jack 50 and an upper mold 40. Wherein the base 20 is provided on the frame 10; the base mold 30 is provided on the base 20; at least one hydraulic jack 50 having a fixed end detachably fixed to the frame 10; the upper die 40 is connected with the driving end of at least one hydraulic jack 50, and a plate to be bent is placed on the upper die 40; the upper mold 40 is provided corresponding to the base mold 30.

When the at least one hydraulic jack 50 drives the upper die 40 to move towards the base die 30 to a preset bending position, the upper die 40 presses the plate to be bent, so that the plate to be bent is bent to meet the preset bending requirement of the plate to be bent.

In the above arrangement, the upper die 40 is used to apply an impact force to the board to be bent by the cooperation of the upper die 40 and the base die 30. Thereby the plate to be bent is deformed under force to be bent. The cold bending deformation mode is used for bending the parts (the plates to be bent) in the variable-section component, so that the manufacturing efficiency can be improved, the influence on the mechanical properties of steel materials is reduced as much as possible, and the standard specification is met. The frame 10 and the base 20 are specially provided as a fixed support base for supporting the base mold 30 and the upper mold 40. This increases the stability and reliability of the operation of the hydraulic jack 50, thereby ensuring that the plate to be bent can meet the bending requirements. Furthermore, the fixed end of the hydraulic jack 50 is detachably fixed to the frame 10, which facilitates replacement of the hydraulic jack 50, thereby improving the convenience of use of the hydraulic bending device.

Specifically, as shown in fig. 2 and 3, in one embodiment, the upper end of the base mold 30 is provided with a V-shaped groove, the plate to be bent is placed on the upper end of the V-shaped groove, the upper mold 40 is stamped on the plate to be bent, and the plate to be bent is deformed by an impact force and is bent toward the bottom end of the V-shaped groove.

The V-groove structure is a prior art and will not be specifically described herein.

Specifically, as shown in fig. 1 and 2, in one embodiment, the hydraulic bending device includes two hydraulic jacks 50, the two hydraulic jacks 50 being spaced apart along the first direction. This ensures that there is sufficient impact force to impact the panel to be bent so that it bends towards the bottom end of the V-groove. Thereby meeting the bending requirement of the site.

Specifically, as shown in fig. 1 and 2, in one embodiment, the frame 10 includes a floor 11, risers 12, and hanger brackets 13. Wherein, the bottom plate 11 is placed on the ground, the vertical plate 12 is arranged on the bottom plate 11, the suspension supporting frame 13 is arranged on the bottom plate 11, and one side of the suspension supporting frame is connected with the vertical plate 12; the base 20 is provided on the base plate 11, and the fixed end of the hydraulic jack 50 is detachably fixed to the suspension bracket 13.

Specifically, as shown in fig. 1 and 2, in one embodiment, the suspension support frame 13 includes first and second vertical support plates 131 and 132 and a lateral support plate 133. Wherein the first vertical support plate 131 is disposed on the bottom plate 11; the second vertical support plate 132 is provided on the base plate 11, spaced apart from the first vertical support plate 131 in the first direction; the lateral support plates 133 are disposed on the first and second vertical support plates 131 and 132; the transverse supporting plate 133 is provided with a sliding groove 1331 along a first direction, and the driving end of the hydraulic jack 50 penetrates out of the sliding groove 1331; the suspension bracket 13 further includes a pressing assembly 134, and the pressing assembly 134 is used for pressing and fixing the upper mold 40 on the lateral support plate 133.

Specifically, as shown in fig. 1 and 2, in one embodiment, the transverse support plate 133 is provided with a through hole, and the compression assembly 134 includes a first compression plate 1341, a second compression plate 1342, and a threaded fastener 1343. The second pressing plate 1342 is spaced from the first pressing plate 1341 in a first direction, and a threaded fastener 1343 is arranged on the first pressing plate 1341 and the second pressing plate 1342 in a penetrating manner, for fixing the first pressing plate 1341 and the second pressing plate 1342; the fixed end of the hydraulic jack 50 is sandwiched between the first and second pressing plates 1341 and 1342. Thereby achieving the fixation of the hydraulic jack 50.

Specifically, as shown in fig. 1 and 2, in one embodiment, the frame 10 further includes a baffle 14, the baffle 14 is disposed on the riser 12, and the fixed end of the hydraulic jack 50 is in contact with the baffle 14, and when the driving end of the hydraulic jack 50 protrudes downward, the fixed end is in abutting contact with the baffle 14. The baffle plate 14 can thus withstand the reaction force generated when the hydraulic jack 50 operates, thereby ensuring that the hydraulic jack 50 operates normally.

Specifically, as shown in fig. 1 and 2, in one embodiment, the baffle 14 includes a straight plate 141 and a reinforcing plate 142. Wherein the straight plate 141 is disposed on the vertical plate 12; the reinforcing plate 142 is provided on an end of the straight plate 141 remote from the fixed end, and is connected to the vertical plate 12.

Specifically, as shown in fig. 1 and 2, in one embodiment, the first vertical support plate 131 and the second vertical support plate 132 are each provided with a notch, the notches are disposed corresponding to the sliding grooves 1331, and the hydraulic jack 50 can be installed into the sliding groove 1331 from the notches along the first direction.

Specifically, as shown in fig. 1 and 2, in one embodiment, the notch is a U-shaped opening.

Specifically, as shown in fig. 1 and 2, in one embodiment, the hydraulic jack 50 is connected to the upper mold 40 by a connecting bolt 60.

Specifically, as shown in fig. 1 and 2, in one embodiment, the hydraulic bending device further includes a hydraulic control assembly 70 disposed on the frame 10 and connected to the plurality of hydraulic jacks 50 for controlling the plurality of hydraulic jacks 50 to retract and retract synchronously.

Specifically, as shown in fig. 1 and 2, in one embodiment, the hydraulic control assembly 70 includes a hand-held control switch 71 for controlling the pressing of the hydraulic control assembly 70, and thus the actuation of the hydraulic jack 50.

Specifically, as shown in fig. 1 and 2, in one embodiment, the hydraulic bending device further includes an infrared device 80 provided on the frame 10 for adjusting the relative position of the base mold 30 and the upper mold 40.

The frame, the base and the upper and lower dies are made of Q355B steel plates, the material connection mode is carbon dioxide gas shielded welding, and the frame, the base and the upper and lower dies are simple to process and can be manufactured in a steel structure processing plant. The frame can be designed according to the human operation demand height, and the upper space is arranged according to the height of the hydraulic jack, and the top stress part adopts a transverse stiffening plate (reinforcing plate) to increase the strength. The hydraulic jack is fixed by adopting a pressing plate (comprising a first pressing plate and a second pressing plate), the pressing plate is connected with the frame by adopting a bolt, the upper die is connected with the jack by adopting a bolt after being independently manufactured, the lower die (base die) is positioned on the base after being independently manufactured, and the center line D1 of the lower die is correspondingly matched with the center line D2 of the upper die; and a gap of about 100mm is reserved between the upper die and the lower die, so that the conveying of bending steel plates with the thickness of less than 60mm can be conveniently operated.

The hydraulic bending device of the utility model has the following function realization method:

Firstly, blanking a frame, a base and an upper die and a lower die of a bending device according to design dimensions;

Secondly, chamfering, assembling, welding and hole making are carried out according to design requirements; and carrying out UT flaw detection on the weld joint of the stressed part to be qualified.

Then, installing and debugging the lifting stroke of the hydraulic double-jack synchronous jack;

And then installing the upper and lower moulds which are manufactured independently, so that the central lines of the upper and lower moulds are correspondingly matched.

And then, installing and debugging an infrared positioning device to enable the infrared scanning line to coincide with the central lines of the upper die and the lower die.

The jack support plate is provided with the U-shaped notch, the hydraulic jack is fixed by the pressing plate, the hydraulic jack is convenient to maintain and replace, and the upper die and the lower die are independent components, so that the hydraulic jack is convenient to maintain and replace. The infrared device is used for positioning and bending, so that the precision efficiency is improved, and the handheld control switch is used for conveniently observing the bending precision and process. The hydraulic bending device has the dead weight of about 4.5 tons, is an independent single frame, can be adjusted and transported back and forth for nearby processing, reduces the transportation cost and improves the bending efficiency of the steel member.

In the present utility model, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the utility model without departing from the principles thereof are intended to be comprehended by those skilled in the art and are intended to be within the scope of the utility model.

Claims (10)

1. A hydraulic bending device, comprising:

a frame; and

A base disposed on the frame; and

The base mold is arranged on the base; and

At least one hydraulic jack, the fixed end of which is detachably fixed on the frame; and

The upper die is connected with the driving end of the at least one hydraulic jack, and a plate to be bent is placed on the upper die;

The upper die and the base die are correspondingly arranged, and when the at least one hydraulic jack drives the upper die to move towards the base die to a preset bending position, the upper die punches the plate to be bent, so that the plate to be bent is bent to meet the preset bending requirement of the plate to be bent.

2. The hydraulic bending device of claim 1, wherein the frame comprises:

A bottom plate placed on the ground; and

The vertical plate is arranged on the bottom plate; and

The suspension support frame is arranged on the bottom plate, and one side of the suspension support frame is connected with the vertical plate;

The base is arranged on the bottom plate, and the fixed end of the at least one hydraulic jack is detachably fixed on the suspension supporting frame.

3. The hydraulic bending device of claim 2, wherein the suspension support frame comprises:

The first vertical supporting plate is arranged on the bottom plate; and

The second vertical supporting plate is arranged on the bottom plate and is arranged at intervals with the first vertical supporting plate in the first direction; and

The transverse supporting plates are arranged on the first vertical supporting plate and the second vertical supporting plate;

The transverse supporting plate is provided with a sliding groove along a first direction, and the driving end of the at least one hydraulic jack penetrates out of the sliding groove;

The suspension support frame further comprises a pressing assembly, and the pressing assembly is used for pressing and fixing the upper die on the transverse support plate.

4. The hydraulic bending device of claim 3, wherein the transverse support plate is provided with a through hole, and the compression assembly comprises:

A first platen; and

The second pressing plate is arranged at intervals with the first pressing plate in the first direction;

The threaded fastener is arranged on the first pressing plate and the second pressing plate in a penetrating way and used for fixing the first pressing plate and the second pressing plate;

the fixed end of the at least one hydraulic jack is clamped between the first pressing plate and the second pressing plate.

5. The hydraulic bending device of claim 4, wherein the frame further comprises a baffle disposed on the riser, the fixed end of the at least one hydraulic jack being in contact with the baffle, the fixed end being in abutting contact with the baffle when the drive end of the at least one hydraulic jack extends downwardly.

6. The hydraulic bending device of claim 5, wherein the baffle comprises:

The straight plate is arranged on the vertical plate; and

And the reinforcing plate is arranged at one end of the straight plate, which is far away from the fixed end, and is connected with the vertical plate.

7. The hydraulic bending device of claim 5, wherein the first vertical support plate and the second vertical support plate are each provided with a notch, the notches are arranged corresponding to the sliding grooves, and the at least one hydraulic jack can be installed into the sliding grooves from the notches along the first direction.

8. The hydraulic bending apparatus according to claim 1, wherein the at least one hydraulic jack is connected to the upper die by a connecting bolt.

9. The hydraulic bending apparatus of claim 1, comprising a plurality of hydraulic jacks, the plurality of hydraulic jacks being spaced apart along the first direction.

10. The hydraulic bending device of claim 9, further comprising:

The hydraulic control assembly is arranged on the frame, is connected with the plurality of hydraulic jacks and is used for controlling the plurality of hydraulic jacks to synchronously stretch out and draw back; and

And/or an infrared device arranged on the frame and used for adjusting the relative position of the base die and the upper die.