Hydraulic bending machine with workpiece fixing mechanism

Abstract

The utility model belongs to the technical field of hydraulic bending machines, and particularly relates to a hydraulic bending machine with a workpiece fixing mechanism, which comprises a working table, side rods are symmetrically arranged on the upper side of the working table, ejector rods are arranged at the top ends of the side rods, ejector rods are symmetrically arranged on the upper side of the ejector rods, and an output shaft of each ejector rod penetrates through the corresponding ejector rod to the lower side and is provided with a pressing block. A lower die is arranged on the right lower side of the pressing block and arranged on the upper side of the workbench, and a fixing mechanism is arranged on one side of the lower die. A metal plate workpiece is inserted between the clamping rollers, the clamping rollers clamp and fix the metal plate workpiece, the metal plate workpiece is pushed to the position between the pressing block and the lower die, the metal plate workpiece can be pushed to the position between the pressing block and the lower die to be bent, the rotating ring is rotated, the rotating ring drives the inner frame to rotate, and the inner frame drives the clamping rollers to rotate. The clamping rollers can drive the metal plate workpiece to turn over, assist manual operation and fix the metal plate workpiece, the operation is labor-saving and convenient, hands are not prone to being scratched by manual full control, fixation is easier to keep, and deviation is not prone to occurring.

Description

Technical Field

[0001] The utility model belongs to the technical field of hydraulic bending machines, and in particular relates to a hydraulic bending machine with a workpiece fixing mechanism. Background Art

[0002] When the hydraulic bending machine is in use, the metal plate is usually held manually and placed between the pressure block and the lower die. The pressure block presses the metal plate onto the lower die for bending and forming. It is dangerous to operate it completely manually. The metal plate can easily scratch the hands during bending, and the manual support is weak. The metal plate can easily deviate during bending. Utility Model Content

[0003] In view of the above problems, the purpose of the utility model is to provide a hydraulic bending machine with a workpiece fixing mechanism to solve the problem that when the hydraulic bending machine is in use, a metal plate is generally held manually and placed between a pressure block and a lower die, and the pressure block presses the metal plate onto the lower die for bending and forming. It is relatively dangerous to operate the support manually. During bending, the metal plate is easy to scratch the human hand, and the manual support restriction is weak, so the metal plate is easy to deviate during bending.

[0004] To achieve the above objectives, the utility model adopts the following technical solution: a hydraulic bending machine with a workpiece fixing mechanism, comprising a workbench, side rods are symmetrically arranged on the upper side of the workbench, a push rod is arranged on the top of the side rod, a push rod is symmetrically arranged on the upper side of the push rod, an output unit of the push rod passes through the push rod to a pressure block is arranged on the lower side, a lower die is arranged on the upper side of the workbench, a fixing mechanism is arranged on one side of the lower die, the fixing mechanism comprises a fixed ring, a rotating ring, an inner frame, a telescopic rod, a spring, a connecting end and a clamping roller, support rods are arranged between the lower sides of both sides of the fixed ring and the workbench, a rotating ring is rotatably arranged on the inner side of the fixed ring, an inner frame is arranged on the inner side of the rotating ring, and clamping rollers are rotatably arranged on the upper and lower sides of the inner side of the inner frame.

[0005] The beneficial effects of the utility model are as follows: a metal plate workpiece is inserted between the clamping rollers, the clamping rollers can clamp and fix the metal plate workpiece, and the metal plate workpiece is pushed between the pressure block and the lower die, so that the metal plate workpiece can be pushed between the pressure block and the lower die for bending processing, and the rotating ring is rotated, the rotating ring drives the inner frame to rotate, and the inner frame drives the clamping rollers to rotate, and the clamping rollers can drive the metal plate workpiece to turn over, which can assist manual operation and is used to fix the metal plate workpiece. The operation is labor-saving and convenient, and it is not easy for manual full control to scratch the hands. Moreover, when bending, it is easier to keep fixed and is not easy to deviate.

[0006] In order to clamp and fix metal sheet workpieces of different thicknesses;

[0007] As a further improvement of the above technical solution: telescopic rods are symmetrically arranged on the upper and lower sides of the inner side of the inner frame, a connecting end is arranged at the lower end of the telescopic rod, and a spring is sleeved on the outer side of the telescopic rod.

[0008] The beneficial effect of this improvement is that the telescopic rod is extended and retracted by the spring, and the connecting end drives the clamping roller to move, so that metal plate workpieces of different thicknesses can be clamped and fixed.

[0009] In order to increase the stability of the metal sheet workpiece relative to the clamping roller;

[0010] As a further improvement of the above technical solution: the outer side surface of the clamping roller is a rubber surface layer.

[0011] The beneficial effect of this improvement is that the outer side surface of the clamping roller is a rubber surface layer, which is convenient for increasing the friction between the clamping roller and the metal plate workpiece, and increasing the stability of the metal plate workpiece relative to the clamping roller.

[0012] In order to facilitate the rotation of the rotating ring;

[0013] As a further improvement of the above technical solution: a handle bar is equidistantly arranged around the side of the rotating ring away from the lower mold.

[0014] The beneficial effect of this improvement is that a handle bar is equidistantly arranged around the side of the rotating ring away from the lower die, and the handle bar facilitates the rotating ring to rotate.

[0015] In order to reduce the sensitivity of the rotating ring rotation;

[0016] As a further improvement of the above technical solution: a rubber ring is arranged on the side of the fixed ring away from the lower mold, and the side of the rubber ring close to the lower mold is in contact with the rotating ring.

[0017] The beneficial effect of this improvement is that the rubber ring is provided to increase the resistance of the rotating ring when it rotates, reduce the sensitivity of the rotating ring when it rotates, and make it easier to control the turning over of the metal plate workpiece.

[0018] In order to adjust the facing position of the pressing block and the lower die;

[0019] As a further improvement of the above technical solution: a clamping groove is opened on the lower side of the side rod, a track rod is slidably clamped on the inner side of the clamping groove, and a hydraulic rod 2 is arranged on the lower side of the side rods away from each other, the hydraulic rod 2 is fixedly connected to the workbench, and the output end of the hydraulic rod 2 is fixedly connected to the side rod.

[0020] The beneficial effect of this improvement is that the output end of the second hydraulic rod pushes the side rod to slide along the track rod, which is convenient for driving the pressing block to move and for adjusting the facing position of the pressing block and the lower die when replacing the pressing block and the lower die.

[0021] To support the protruding part of the workpiece;

[0022] As a further improvement of the above technical solution: a support plate is arranged on the side of the lower mold away from the fixing mechanism, and a connecting plate is fixedly arranged between the support plate and the workbench.

[0023] The beneficial effect of this improvement is that a support plate is provided to support the protruding portion of the workpiece when the continuous long workpiece is bent.

[0024] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0026] Figure 2 The structure of the utility model is shown in FIG. Figure 2 ;

[0027] Figure 3 It is a structural side view of the utility model;

[0028] Figure 4 It is a structural schematic diagram of the fixing mechanism in the utility model;

[0029] In the figure: 1. workbench; 2. side rod; 3. push rod; 4. hydraulic rod one; 5. pressure block; 6. lower mold; 7. fixing mechanism; 71. fixing ring; 72. rotating ring; 73. inner frame; 74. telescopic rod; 75. spring; 76. connecting end; 77. clamping roller; 78. handle rod; 79. rubber ring; 8. snap-in groove; 9. track rod; 10. hydraulic rod two; 11. support plate; 12. connecting plate. DETAILED DESCRIPTION

[0030] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the present invention.

[0031] like Figure 1 — Figure 4As shown: a hydraulic bending machine with a workpiece fixing mechanism, comprising a workbench 1, side rods 2 are symmetrically arranged on the upper side of the workbench 1, a top rod 3 is arranged on the top of the side rod 2, a top rod 3 is symmetrically arranged on the upper side of the top rod 3, a pressure block 5 is arranged on the lower side of the output unit of the top rod 3 through the top rod 3, a lower die 6 is arranged on the lower side of the pressure block 5, the lower die 6 is arranged on the upper side of the workbench 1, and a fixing mechanism 7 is arranged on one side of the lower die 6, and the fixing mechanism 7 includes a fixing ring 71, a rotating ring 72, an inner frame 73, a telescopic rod 74, and a spring 7 5, connecting end 76 and clamping roller 77, support rods are arranged between the lower sides of both sides of the fixed ring 71 and the workbench 1, a rotating ring 72 is rotatably arranged on the inner side of the fixed ring 71, an inner frame 73 is arranged on the inner side of the rotating ring 72, and clamping rollers 77 are rotatably arranged on the inner side of the inner frame 73 up and down, and the metal plate workpiece is inserted between the clamping rollers 77, and the clamping rollers 77 can clamp and fix the metal plate workpiece, and push the metal plate workpiece between the pressing block 5 and the lower die 6, and the metal plate workpiece can be pushed between the pressing block 5 and the lower die 6 for bending processing, and the rotating ring 72 is rotated,The rotating ring 72 drives the inner frame 73 to rotate, and the inner frame 73 drives the clamping roller 77 to rotate. The clamping roller 77 can drive the metal plate workpiece to turn over, which can assist manual operation and is used to fix the metal plate workpiece. The operation is labor-saving and convenient, and it is not easy to scratch the hands by manual full control. Moreover, it is easier to keep it fixed and not easy to deviate when bending. The inner side of the inner frame 73 is symmetrically provided with telescopic rods 74 on the upper and lower sides, and the lower end of the telescopic rod 74 is provided with a connecting end 76. The outer side of the telescopic rod 74 is sleeved with a spring 75. Through the spring 76 The telescopic rod 74 is pushed to extend and retract, and the connecting end 76 drives the clamping roller 77 to move, so as to clamp and fix metal plate workpieces of different thicknesses. The outer side of the clamping roller 77 is a rubber surface layer, which is convenient for increasing the friction between the metal plate workpiece and the stability of the metal plate workpiece relative to the clamping roller 77. The side of the rotating ring 72 away from the lower die 6 is equidistantly surrounded by a handle bar 78, and the side of the rotating ring 72 away from the lower die 6 is equidistantly surrounded by a handle bar 78, which is convenient for driving the rotating ring 72 to rotate. The ring 72 rotates, and a rubber ring 79 is provided on the side of the fixed ring 71 away from the lower die 6. The side of the rubber ring 79 close to the lower die 6 contacts with the rotating ring 72. The rubber ring 79 is provided to increase the resistance of the rotating ring 72 when it rotates, reduce the sensitivity of the rotating ring 72, and make it easier to control the turning of the metal plate workpiece. The lower side of the side rod 2 is provided with a clamping groove 8, and the inner side of the clamping groove 8 is slidably clamped with a track rod 9. The lower side of the side of the side rod 2 away from each other is provided with a hydraulic rod 10. The hydraulic rod 10 10 is fixedly connected to the workbench 1, and the output end of the hydraulic rod 10 is fixedly connected to the side rod 2. The output end of the hydraulic rod 10 pushes the side rod 2 to slide along the track rod 9, which is convenient for driving the pressure block 5 to move, and is convenient for adjusting the facing position of the pressure block 5 and the lower die 6 when replacing the pressure block 5 and the lower die 6. A support plate 11 is provided on the side of the lower die 6 away from the fixing mechanism 7, and a connecting plate 12 is fixedly provided between the support plate 11 and the workbench 1. The support plate 11 is provided to support the protruding part of the workpiece when the continuous long workpiece is bent.

[0032] The working principle and use process of this utility model:

[0033] When in use, the sheet metal workpiece is inserted between the clamping rollers 77, and the clamping rollers 77 can clamp and fix the sheet metal workpiece, and push the sheet metal workpiece between the pressing block 5 and the lower die 6, so that the sheet metal workpiece can be pushed between the pressing block 5 and the lower die 6 for bending processing, and the rotating ring 72 is rotated, and the rotating ring 72 drives the inner frame 73 to rotate, and the inner frame 73 drives the clamping rollers 77 to rotate, and the clamping rollers 77 can drive the sheet metal workpiece to turn over, which can assist manual operation and is used to fix the sheet metal workpiece. The operation is labor-saving and convenient, and it is not easy to scratch the hands by manual full control. Moreover, it is easier to keep it fixed and less likely to deviate when bending. In addition, when in use, the telescopic rod 74 is pushed to be extended and retracted by the spring 75, and the connecting end 76 drives the clamping rollers 77 to move, so as to facilitate the clamping and fixing of sheet metal workpieces of different thicknesses. In addition, when in use, the outer side surface of the clamping roller 77 is a rubber surface layer, which is convenient for increasing the friction between the metal plate workpiece and the metal plate workpiece, and increasing the stability of the metal plate workpiece relative to the clamping roller 77. A handle rod 78 is equidistantly arranged around the side of the rotating ring 72 away from the lower mold 6, and the handle rod 78 is convenient for driving the rotating ring 72 to rotate. In addition, a rubber ring 79 is provided to increase the resistance of the rotating ring 72 during rotation, reduce the sensitivity of the rotation of the rotating ring 72, and make it easier to control the flipping of the metal plate workpiece. In addition, the output end of the hydraulic rod 10 pushes the side rod 2 to slide along the track rod 9, which is convenient for driving the pressure block 5 to move, and convenient for adjusting the facing position of the pressure block 5 and the lower mold 6 when replacing the pressure block 5 and the lower mold 6. In addition, a support plate 11 is provided, which is used to support the protruding part of the workpiece when bending a continuous long workpiece.

[0034] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0035] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation of the present invention. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principles of the present invention, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present invention.

Claims

1. A hydraulic bending machine with a workpiece fixing mechanism, characterized in that: The invention comprises a workbench (1), wherein a side rod (2) is symmetrically arranged on the upper side of the workbench (1), a top rod (3) is arranged on the top of the side rod (2), a top rod (3) is symmetrically arranged on the upper side of the top rod (3), an output unit of the top rod (3) passes through the top rod (3) to a pressure block (5) is arranged on the lower side of the pressure block (5), a lower mold (6) is arranged on the upper side of the workbench (1), a fixing mechanism (7) is arranged on one side of the lower mold (6), and the fixing mechanism (7) is arranged on the upper side of the workbench (1), and a fixing mechanism (7) is arranged on the lower side of the lower mold (6). The fixing mechanism (7) comprises a fixed ring (71), a rotating ring (72), an inner frame (73), a telescopic rod (74), a spring (75), a connecting end (76) and a clamping roller (77); support rods are arranged between the lower sides of both sides of the fixed ring (71) and the workbench (1); a rotating ring (72) is rotatably arranged inside the fixed ring (71); an inner frame (73) is arranged inside the rotating ring (72); and clamping rollers (77) are rotatably arranged on the upper and lower sides of the inner side of the inner frame (73).

2. A hydraulic bending machine with a workpiece fixing mechanism according to claim 1, characterized in that: Telescopic rods (74) are symmetrically arranged on the upper and lower sides of the inner side of the inner frame (73); a connecting end (76) is arranged at the lower end of the telescopic rod (74); and a spring (75) is sleeved on the outer side of the telescopic rod (74).

3. A hydraulic bending machine with a workpiece fixing mechanism according to claim 1, characterized in that: The outer side surface of the clamping roller (77) is a rubber surface layer.

4. A hydraulic bending machine with a workpiece fixing mechanism according to claim 1, characterized in that: A handle bar (78) is equidistantly arranged around the side of the rotating ring (72) away from the lower mold (6).

5. The hydraulic bending machine with a workpiece fixing mechanism according to claim 1, characterized in that: A rubber ring (79) is provided on the side of the fixed ring (71) away from the lower mold (6), and a side of the rubber ring (79) close to the lower mold (6) is in contact with the rotating ring (72).

6. The hydraulic bending machine with a workpiece fixing mechanism according to claim 1, characterized in that: The lower sides of the side rods (2) are provided with a clamping groove (8), the inner sides of the clamping grooves (8) are provided with a track rod (9) for sliding clamping, and the lower sides of the side rods (2) away from each other are provided with a hydraulic rod 2 (10), the hydraulic rod 2 (10) is fixedly connected to the workbench (1), and the output end of the hydraulic rod 2 (10) is fixedly connected to the side rod (2).

7. A hydraulic bending machine with a workpiece fixing mechanism according to claim 1, characterized in that: A support plate (11) is provided on the side of the lower mold (6) away from the fixing mechanism (7), and a connecting plate (12) is fixedly provided between the support plate (11) and the workbench (1).

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