Multilateral bending mechanism and bending machine

Abstract

The utility model discloses a multilateral bending mechanism and a bending machine, and belongs to the technical field of bending machines, the multilateral bending mechanism comprises a plate placing structure, and the plate placing structure comprises a supporting assembly; the bending structure comprises two bending assemblies, the two bending assemblies are symmetrically installed on the two sides of the bending assemblies, each bending assembly comprises a second electric push rod, an extending shell and a bending plate, the extending shell is in transmission connection with the supporting assembly through the second electric push rod, one end of the bending plate is hinged to the extending shell, and the other end of the bending plate is hinged to the supporting assembly. The bending plate is used for bending a plate above the extending shell, the two bending assemblies are used for bending the plates on the two sides of the bending assemblies, the positioning assembly is used for conveniently limiting the plates and preventing the plates from moving, the supporting assembly is used for conveniently rotating the plates and adjusting the deviation angle, meanwhile, the bending efficiency is improved, and the labor intensity of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the field of bending machines, and in particular to a multilateral bending mechanism and a bending machine. Background Art

[0002] A bending machine is a machine that can bend thin plates. Through the interaction between the upper die and the lower die of the bending machine, the thin plate can be bent into the required style.

[0003] When bending a plate, it is necessary to bend both ends of the plate. During the bending process, after bending once, the plate needs to be supported manually, and the plate needs to be rotated 90° before bending the other side. When the plate is large and long, manual operation is more laborious, resulting in a significant reduction in the bending efficiency. How to invent a multilateral bending mechanism and a bending machine to improve these problems has become an urgent problem to be solved by technicians in this field. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a multilateral bending mechanism and a bending machine, which aim to improve the problem that the plate needs to be rotated when bending the plate, and the manual operation is laborious and inefficient.

[0005] The utility model is implemented as follows: a multilateral bending mechanism, including a plate placing structure, the plate placing structure includes a supporting assembly; a bending structure, the bending structure includes a bending assembly, the bending assembly is provided with two groups, the two groups of bending assemblies are symmetrically installed on both sides of the bending assembly, the bending assembly includes a second electric push rod, an extension shell and a bending plate, the extension shell is transmission-connected to the supporting assembly through the second electric push rod, one end of the bending plate is hinged to the extension shell, and the bending plate is bent to bend the plate above the extension shell.

[0006] In a preferred technical solution of the present utility model, the support assembly includes a support column, and a support plate is fixedly installed on the top of the support column.

[0007] In a preferred technical solution of the utility model, the support assembly also includes an electric turntable, which is embedded and installed in the middle part of the support plate. A first hydraulic cylinder is arranged inside the top of the support column, and the top of the first hydraulic cylinder is fixedly connected to the bottom of the electric turntable.

[0008] In a preferred technical solution of the present invention, the bending assembly also includes a first cylinder and a second cylinder, the bottom of the extension shell is fixedly connected with a connecting base plate, the other end of the connecting base plate is located directly below the bending plate, the top of the second cylinder is limitedly connected with the bottom of the bending plate, the bottom of the second cylinder is limitedly connected with the connecting base plate, the first cylinders are respectively fixedly installed on both sides of the extension shell, and limiting pressure plates are arranged on the tops of the two first cylinders, and the two ends of the limiting pressure plates are respectively fixedly connected with the first cylinders.

[0009] In a preferred technical solution of the present invention, two groups of second electric push rods are provided, one end of the two groups of second electric push rods is fixedly installed at both ends of one side of the support column, and the other end of the second electric push rod is fixedly connected to both ends of the inner wall of the extension shell.

[0010] In a preferred technical solution of the present invention, second limit rods are fixedly connected to the two ends of the interior of the extension shell, and the other ends of two groups of the second limit rods are slidably installed on the bottom of the support plate. The bottom of the support plate is provided with a sliding groove that cooperates with the second limit rod.

[0011] In a preferred technical solution of the present invention, the second limiting rod is arranged in an isosceles trapezoidal shape, and the large bottom of the trapezoidal shape of the second limiting rod is located at the top and is limitedly slidably connected to the support plate.

[0012] In a preferred technical solution of the utility model, a bending machine includes a multilateral bending mechanism: a positioning assembly is arranged on one side of the support assembly, and the positioning assembly includes a first electric push rod, an extension plate and a lower extrusion plate, one end of the extension plate is connected to the lower extrusion plate, and the other end of the extension plate is transmission-connected to the first electric push rod, and the lower extrusion plate is arranged corresponding to the top of the support assembly.

[0013] In a preferred technical solution of the present utility model, a support block is provided at the end of the first electric push rod, the first electric push rod is fixedly connected to the two ends of the support block respectively, one end of the extension plate is fixedly connected to the second hydraulic cylinder, the second hydraulic cylinder is fixedly installed on the support block, the other end bottom of the extension plate is fixedly connected to the third hydraulic cylinder, and the lower extrusion plate is fixedly installed on the output end of the third hydraulic cylinder.

[0014] In a preferred technical solution of the utility model, two ends of one side of the top of the support block are respectively fixedly connected to a first limiting rod, and the first limiting rod is slidably installed on the support assembly.

[0015] The beneficial effect of the utility model is as follows: the utility model obtains a multilateral bending mechanism and a bending machine through the above-mentioned design. When in use, the second electric push rod drives the two groups of extension shells to approach the ends of the plate, and at the same time controls the first cylinder to drive the limiting pressure plate to press down to fix the plate. At this time, the second cylinder is controlled to drive one end of the bending plate upward to bend the plate. The bending of both ends of the plate is completed. At the same time, when the plate is bent, the positioning component is convenient for limiting the plate to prevent the plate from displacement. The supporting component is convenient for rotating the plate and adjusting the offset angle. At the same time, the bending efficiency is improved and the labor intensity of workers is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram provided by an embodiment of the utility model;

[0018] Figure 2 A schematic diagram of one side structure of a plate placement structure provided in an embodiment of the utility model;

[0019] Figure 3 A schematic diagram of the bending assembly structure provided by an embodiment of the utility model;

[0020] Figure 4 A schematic diagram of the positioning assembly structure provided for an embodiment of the utility model.

[0021] In the figure: 100-plate placement structure; 110-support assembly; 111-support column; 112-support plate; 113-electric turntable; 114-first hydraulic cylinder; 120-positioning assembly; 121-first electric push rod; 122-support block; 123-first limiting rod; 124-second hydraulic cylinder; 125-extension plate; 126-third hydraulic cylinder; 127-lower extrusion plate; 200-bending structure; 210-bending assembly; 211-second electric push rod; 212-extension shell; 213-second limiting rod; 214-connecting bottom plate; 215-bending plate; 216-first cylinder; 217-second cylinder; 218-limiting pressure plate. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 and Figure 2 The utility model provides a technical solution: a multilateral bending mechanism, including

[0024] The plate placing structure 100 includes a supporting assembly 110; a bending structure 200, the bending structure 200 includes a bending assembly 210, and the bending assembly 210 is provided with two groups. The two groups of bending assemblies 210 are symmetrically installed on both sides of the bending assembly 210. The bending assembly 210 includes a second electric push rod 211, an extension shell 212 and a bending plate 215. The extension shell 212 is transmission-connected to the supporting assembly 110 through the second electric push rod 211. One end of the bending plate 215 is hinged to the extension shell 212. The bending plate 215 is bent to bend the plate above the extension shell 212. The two groups of bending assemblies 210 bend the plates on both sides of the bending assembly 210.

[0025] See also Figure 2 and Figure 3 The support assembly 110 includes a support column 111, and a support plate 112 is fixedly installed on the top of the support column 111. The support assembly 110 also includes an electric turntable 113, which is embedded and installed in the middle of the support plate 112. A first hydraulic cylinder 114 is arranged inside the top of the support column 111, and the top of the first hydraulic cylinder 114 is fixedly connected to the bottom of the electric turntable 113. When the plate above the support plate 112 needs to be rotated, the first hydraulic cylinder 114 cooperates with the electric turntable 113 to lift the plate, and at the same time controls the electric turntable 113 to rotate, so as to facilitate rotation to a suitable position.

[0026] See also Figure 3 and Figure 4The bending assembly 210 also includes a first cylinder 216 and a second cylinder 217. The bottom of the extension shell 212 is fixedly connected to a connecting base plate 214. The other end of the connecting base plate 214 is located directly below the bending plate 215. The top of the second cylinder 217 is limitedly connected to the bottom of the bending plate 215, and the bottom of the second cylinder 217 is limitedly connected to the connecting base plate 214. The first cylinders 216 are respectively fixedly installed on both sides of the extension shell 212. A limiting pressure plate 218 is set on the top of the two first cylinders 216, and the two ends of the limiting pressure plate 218 are respectively fixedly connected to the first cylinder 216.

[0027] Two groups of second electric push rods 211 are provided, one end of the two groups of second electric push rods 211 is fixedly installed at the two ends of one side of the support column 111, and the other end of the second electric push rod 211 is fixedly connected to the two ends of the inner wall of the extension shell 212. The second limiting rods 213 are fixedly connected to the two ends of the interior of the extension shell 212, and the other ends of the two groups of second limiting rods 213 are limitedly slidably installed at the bottom of the support plate 112. The bottom of the support plate 112 is provided with a slide groove that matches the second limiting rod 213. The second limiting rod 213 is set in an isosceles trapezoidal shape, and the large bottom of the trapezoidal shape of the second limiting rod 213 is located at the top and is limitedly slidably connected to the support plate 112. The second electric push rod 211 is used to drive the extension shell 212 to move, so as to adjust the appropriate position according to the size of the plate. The plate is located between the limiting pressure plate 218 and the support plate 112. The limiting pressure plate 218 fixes the plate while the second cylinder 217 pushes the bending plate 215 to flip upward to bend the plate.

[0028] See also Figure 2 and Figure 4A bending machine includes: a positioning assembly 120 is arranged on one side of a support assembly 110, the positioning assembly 120 includes a first electric push rod 121, an extension plate 125 and a lower extrusion plate 127, one end of the extension plate 125 is connected to the lower extrusion plate 127, the other end of the extension plate 125 is transmission-connected to the first electric push rod 121, the lower extrusion plate 127 is arranged corresponding to the top of the support assembly 110, and the positioning assembly 120 can limit the plate when the bending assembly 210 bends the plate to prevent the plate from displacement. A support block 122 is arranged at the end of the first electric push rod 121, the first electric push rod 121 is fixedly connected to the two ends of the support block 122, one end of the extension plate 125 is fixedly connected to the second hydraulic cylinder 124, the second hydraulic cylinder 124 is fixedly installed on the support block 122, the other end of the extension plate 125 is fixedly connected to the bottom of the third hydraulic cylinder 126, and the lower extrusion plate 127 is fixedly installed at the output end of the third hydraulic cylinder 126. The two ends of one side of the top of the support block 122 are respectively fixedly connected to the first limit rod 123, and the first limit rod 123 is slidably installed on the support assembly 110. When the plate above the support assembly 110 needs to be rotated, the first electric push rod 121, the second hydraulic cylinder 124 and the third hydraulic cylinder 126 cooperate with each other to press the lower extrusion plate 127 downward, so that the plate fits with the electric turntable 113. The electric turntable 113 can easily drive the plate to rotate without causing the plate to fall.

[0029] Working principle: Place the plate to be bent on top of the support plate 112, adjust the distance between the two groups of bending components 210 in advance according to the size of the plate, and after the plate is placed, the second electric push rod 211 drives the two groups of extension shells 212 to approach the end of the plate, and at the same time controls the first cylinder 216 to drive the limit pressure plate 218 to press down to fix the plate, and at this time control the second cylinder 217 to drive the second cylinder 217 to drive one end of the bending plate 215 upward to bend the plate, and the two ends of the plate are bent. If the four ends need to be bent, the first electric push rod 121, the second hydraulic cylinder 124 and the third hydraulic cylinder 126 cooperate with each other to press the plate down, and at the same time the first hydraulic cylinder 114 lifts the plate, and the electric turntable 113 drives the plate to be selected, and the two ends to be bent are aligned with the bending component 210, and then a second bending is performed.

[0030] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A multilateral bending mechanism, characterized in that: include A plate placement structure, the plate placement structure comprising a support assembly; The bending structure includes a bending assembly, which is provided with two groups. The two groups of bending assemblies are symmetrically installed on both sides of the bending assembly. The bending assembly includes a second electric push rod, an extension shell and a bending plate. The extension shell is transmission-connected to the support assembly through the second electric push rod. One end of the bending plate is hinged to the extension shell, and the bending plate bends the plate above the extension shell.

2. A multilateral bending mechanism according to claim 1, characterized in that: The support assembly comprises a support column, and a support plate is fixedly mounted on the top of the support column.

3. A multilateral bending mechanism as claimed in claim 2, characterized in that: The support assembly also includes an electric turntable, which is embedded and installed in the middle of the support plate. A first hydraulic cylinder is arranged inside the top of the support column, and the top of the first hydraulic cylinder is fixedly connected to the bottom of the electric turntable.

4. A multilateral bending mechanism as claimed in claim 2, characterized in that: The bending assembly also includes a first cylinder and a second cylinder. The bottom of the extension shell is fixedly connected to a connecting base plate, and the other end of the connecting base plate is located directly below the bending plate. The top of the second cylinder is limitedly connected to the bottom of the bending plate, and the bottom of the second cylinder is limitedly connected to the connecting base plate. The first cylinders are respectively fixedly installed on both sides of the extension shell, and limiting pressure plates are arranged on the tops of the two first cylinders. The two ends of the limiting pressure plates are respectively fixedly connected to the first cylinders.

5. A multilateral bending mechanism as claimed in claim 4, characterized in that: The second electric push rods are provided in two groups, one end of the two groups of the second electric push rods is fixedly installed at the two ends of one side of the support column, and the other end of the second electric push rods is fixedly connected to the two ends of the inner wall of the extension shell.

6. A multilateral bending mechanism as claimed in claim 4, characterized in that: The two ends of the extension shell are fixedly connected with second limiting rods, and the other ends of the two groups of the second limiting rods are slidably installed on the bottom of the support plate. The bottom of the support plate is provided with a sliding groove matched with the second limiting rods.

7. A multilateral bending mechanism according to claim 6, characterized in that: The second limiting rod is in the shape of an isosceles trapezoid, and the large bottom of the trapezoid of the second limiting rod is located at the top and is limitedly slidably connected to the support plate.

8. A bending machine, comprising a multilateral bending mechanism according to any one of claims 1 to 7, characterized in that: A positioning assembly is provided on one side of the support assembly, and the positioning assembly includes a first electric push rod, an extension plate and a lower extrusion plate. One end of the extension plate is connected to the lower extrusion plate, and the other end of the extension plate is transmission-connected to the first electric push rod. The lower extrusion plate is arranged corresponding to the top of the support assembly.

9. A bending machine according to claim 8, characterized in that: A support block is provided at the end of the first electric push rod, and the first electric push rod is fixedly connected to the two ends of the support block respectively. One end of the extension plate is fixedly connected to the second hydraulic cylinder, and the second hydraulic cylinder is fixedly installed on the support block. The bottom of the other end of the extension plate is fixedly connected to the third hydraulic cylinder, and the lower extrusion plate is fixedly installed on the output end of the third hydraulic cylinder.

10. A bending machine according to claim 9, characterized in that: Two ends of one side of the top of the support block are respectively fixedly connected to a first limiting rod, and the first limiting rod is slidably installed on the support assembly.

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