Bending machine with adjustable bending angle

Abstract

The utility model relates to the technical field of bending machines, and discloses a bending-angle-adjustable bending machine which comprises a connecting frame. The supporting plate is fixedly connected to the top surface of the connecting frame; the through groove penetrates through the front surface of the connecting frame; two C-shaped frames are arranged above the connecting frame, and clamping assemblies are arranged in the C-shaped frames; and an adjusting assembly is arranged in the through groove, the clamping assembly comprises a threaded rod located in the C-shaped frame, and the top end face of the threaded rod penetrates through the top face of the inner side of the C-shaped frame and extends to the position above the C-shaped frame. Through a clamping assembly, a threaded rod is used for driving a threaded sleeve to move downwards, an upper clamping plate moves downwards to clamp and fix a steel pipe to the inner side of a lower clamping plate, so that the steel pipe is prevented from deviating in the bending process, meanwhile, a reciprocating threaded rod is used for driving a sliding plate to move, and the distance between two C-shaped frames is changed; and therefore, the steel pipes with different lengths can be clamped and bent, the bending effect of the bending machine is improved, and the application range of the bending machine is widened.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bending machine, concretely to a bending angle adjustable bending machine. BACKGROUND

[0002] The bending machine is important equipment for workpiece bending forming in sheet metal industry, and can press metal plate into certain geometric shape by using simple general die. In the processing of yacht steel pipe, the bending machine is often needed to bend the steel pipe.

[0003] According to a kind of bending machine for high-precision steel pipe disclosed by Chinese patent, publication number is CN206445049U, including operation table, fixed plate, cylinder, pressure block, pressure wheel, limit block, auxiliary wheel and walking wheel, characterized in that: the operation table is set on support, the fixed plate is set on stand, the cylinder is set on fixed plate, the pressure block is set on adjusting lever, the pressure wheel is set on pressure block by connecting shaft, the limit block is set on operation table by positioning bolt;The utility model is provided with the limit block of adjustable position on operation table, and auxiliary wheel is arranged in the bearing groove on limit block, high-precision steel pipe needing bending is placed between auxiliary wheel and auxiliary wheel, cylinder is started, cylinder pushes down pressure block and pressure wheel on pressure block by adjusting lever, and then high-precision steel pipe needing bending is extruded, the bending operation of high-precision steel pipe is realized, and the working efficiency of high-precision steel pipe bending is improved;

[0004] The cylinder of the device pushes down the pressure block and the pressure wheel on the pressure block by the adjusting lever, and then extrudes the high-precision steel pipe needing bending, but the existing device still has the following problems: the existing device clamps and fixes the pipe, which is easy to deviate during pipe bending, affecting the bending effect of the pipe. Therefore, a bending angle adjustable bending machine is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a bending angle adjustable bending machine to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a bending angle adjustable bending machine, which comprises a connecting frame.

[0007] A supporting plate is fixedly connected to the top surface of the connecting frame.

[0008] A through slot is formed in the front surface of the connecting frame.

[0009] Two C-shaped frames are arranged above the connecting frame, and a clamping assembly is arranged in each C-shaped frame.

[0010] An adjusting assembly is arranged in the through slot.

[0011] Preferably, the clamping assembly comprises a threaded rod located inside the C-shaped frame, the top surface of the threaded rod extends through the inside top surface of the C-shaped frame to above the C-shaped frame, the surface of the threaded rod is connected with the inner wall of the C-shaped frame through a bearing seat, a threaded sleeve is sleeved on the surface of the threaded rod, the bottom surface of the threaded sleeve is fixedly connected with an upper clamping plate, the inside bottom surface of the C-shaped frame is fixedly connected with a lower clamping plate, the surface of the threaded sleeve is fixedly connected with a limiting rod, the rear end surface of the limiting rod is connected with the inside surface of the C-shaped frame in a sliding manner, a sliding plate is arranged on the inside of the connecting frame, the top surface of the sliding plate is fixedly connected with a first electric push rod, the output rod of the first electric push rod is fixedly connected with a connecting frame at the front end surface, the bottom surface of the connecting frame is connected with the top surface of the sliding plate in a sliding manner, the top surface of the connecting frame is fixedly connected with a supporting rod, the top end surface of the supporting rod is fixedly connected with the bottom surface of the left C-shaped frame, and the right surface of the right C-shaped frame is fixedly connected with the left surface of the supporting plate.

[0012] Preferably, the adjusting assembly comprises a second electric push rod located inside the through groove, the right surface of the second electric push rod is fixedly connected with the right surface inside the through groove, the left end surface of the output rod of the second electric push rod is fixedly connected with a connecting plate, the rear surface of the connecting plate is fixedly connected with a connecting rod, and the rear end surface of the connecting rod is fixedly connected with a cylinder.

[0013] Preferably, a reciprocating threaded rod is arranged on the right side of the sliding plate, the left end surface of the reciprocating threaded rod extends to the left side of the sliding plate through the right surface of the sliding plate in a threaded manner, the right end surface of the reciprocating threaded rod is connected with the right surface inside the connecting frame in a rotating manner through a bearing seat, the left surface of the connecting frame is fixedly connected with a motor, the output rod of the motor extends to the inside of the connecting frame through the left surface of the connecting frame, the right end surface of the output rod of the motor is fixedly connected with the left end surface of the reciprocating threaded rod, and the bottom surface of the sliding plate is connected with the bottom surface inside the connecting frame in a sliding manner. The reciprocating threaded rod drives the sliding plate to move, adjusts the distance between the two C-shaped frames, and facilitates clamping steel pipes of different lengths.

[0014] Preferably, the rear end surface of the limiting rod is fixedly connected with a wedge-shaped block, a wedge-shaped groove is arranged through the inside surface of the C-shaped frame, and the wedge-shaped block is arranged in the wedge-shaped groove in a sliding manner. The wedge-shaped block facilitates stable lifting of the limiting rod.

[0015] Preferably, the inside surface of the upper clamping plate and the inside surface of the lower clamping plate are both fixedly connected with rubber pads, and the rubber pads prevent the upper clamping plate and the lower clamping plate from damaging the surface of the steel pipe.

[0016] Preferably, the left end surface of the connecting plate is provided with two sliding rods, the two sliding rods are symmetrically arranged, the right end surfaces of the two sliding rods extend to the right side of the connecting plate through the left surface of the connecting plate in a sliding manner, and the left and right end surfaces of the two sliding rods are both fixedly connected with the left and right surfaces inside the through groove. The sliding rods improve the stability of the connecting plate when moving.

[0017] Compared with the prior art, the utility model has the advantages of

[0018] 1, the bending angle adjustable bending machine, through clamping assembly, utilize screw rod drive screw sleeve to move down, make the upper clamping plate move down and fix the steel pipe clamping in the inside of the lower clamping plate, so as to avoid the deviation of steel pipe in the bending process, utilize reciprocating screw rod to drive slide plate to move simultaneously, thereby change the distance between two C type frame, further to the steel pipe of different length is clamped and is bent, improve the bending effect of this bending machine and increase the use range.

[0019] 2, the bending angle adjustable bending machine, through adjusting assembly, utilize second electric push rod to drive the slide of connecting plate on slide rod, thereby adjust the position of cylindrical horizontal direction, the adjustment of pipe fitting bending position is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the front view of the utility model;

[0021] Figure 2 It is the overall front view of the utility model;

[0022] Figure 3 It is the left view of the screw sleeve of the utility model;

[0023] Figure 4 It is the left side sectional view of the wedge block of the utility model;

[0024] Figure 5 It is the main view of the slide rod of the utility model.

[0025] In the drawing: connecting frame 1, support plate 2, C type frame 3, clamping assembly 40, screw rod 401, screw sleeve 402, upper clamping plate 403, lower clamping plate 404, rubber pad 405, limiting rod 406, wedge block 407, motor 409, reciprocating screw rod 4010, slide plate 4011, first electric push rod 4012, connecting frame 4013, support rod 4014, adjusting assembly 41, second electric push rod 411, connecting plate 412, slide rod 413, connecting rod 414, cylinder 415. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0027] Embodiment one: please refer to Figure 1- Figure 5 The utility model provides a technical scheme: a bending machine with adjustable bending angle, which comprises a connecting frame 1.

[0028] A supporting plate 2 is fixedly connected to the top surface of the connecting frame 1.

[0029] A through slot is formed in the front surface of the connecting frame 1.

[0030] Two C-shaped frames 3 are arranged above the connecting frame 1, and a clamping assembly 40 is arranged inside the C-shaped frames 3.

[0031] An adjusting assembly 41 is arranged inside the through slot.

[0032] The clamping assembly 40 comprises a threaded rod 401 arranged inside the C-shaped frame 3, the top end surface of the threaded rod 401 extends to above the C-shaped frame 3 through the inside top surface of the C-shaped frame 3, the surface of the threaded rod 401 is rotatably connected to the inner wall of the C-shaped frame 3 through a bearing seat, a threaded sleeve 402 is threadedly arranged on the surface of the threaded rod 401, an upper clamping plate 403 is fixedly connected to the bottom surface of the threaded sleeve 402, a lower clamping plate 404 is fixedly connected to the inside bottom surface of the C-shaped frame 3, a limiting rod 406 is fixedly connected to the surface of the threaded sleeve 402, the rear end surface of the limiting rod 406 is slidably connected to the inside surface of the C-shaped frame 3, a sliding plate 4011 is arranged inside the connecting frame 1, a first electric push rod 4012 is fixedly connected to the top surface of the sliding plate 4011, a connecting frame 4013 is fixedly connected to the front end surface of the output rod of the first electric push rod 4012, the bottom surface of the connecting frame 4013 is slidably connected to the top surface of the sliding plate 4011, a supporting rod 4014 is fixedly connected to the top surface of the connecting frame 4013, the top end surface of the supporting rod 4014 is fixedly connected to the bottom surface of the left C-shaped frame 3, the right surface of the right C-shaped frame 3 is fixedly connected to the left surface of the supporting plate 2, the threaded rod 401 drives the threaded sleeve 402 to move downward, so that the upper clamping plate 403 moves downward to clamp and fix the steel pipe inside the lower clamping plate 404, thereby avoiding the deviation of the steel pipe during the bending process, and the reciprocating threaded rod 4010 drives the sliding plate 4011 to move, thereby changing the distance between the two C-shaped frames 3, and then clamping and bending the steel pipes of different lengths, improving the bending effect and the use range of the bending machine.

[0033] A reciprocating threaded rod 4010 is arranged on the right side of the sliding plate 4011, the left end surface of the reciprocating threaded rod 4010 extends to the left side of the sliding plate 4011 through the right surface of the sliding plate 4011, the right end surface of the reciprocating threaded rod 4010 is rotatably connected to the right inside surface of the connecting frame 1 through a bearing seat, an electric motor 409 is fixedly connected to the left surface of the connecting frame 1, the right end surface of the output rod of the electric motor 409 extends to the inside of the connecting frame 1 through the left surface of the connecting frame 1, the right end surface of the output rod of the electric motor 409 is fixedly connected to the left end surface of the reciprocating threaded rod 4010, and the bottom surface of the sliding plate 4011 is slidably connected to the inside bottom surface of the connecting frame 1.

[0034] The rear end surface of the limiting rod 406 is fixedly connected with a wedge-shaped block 407, and a wedge-shaped slot is formed in the inner side surface of the C-shaped frame 3, and the wedge-shaped block 407 is slidably arranged in the wedge-shaped slot.

[0035] The inner side surface of the upper clamping plate 403 and the inner side surface of the lower clamping plate 404 are fixedly connected with rubber pads 405.

[0036] In the second embodiment, the better implementation of the bending machine with adjustable bending angle is based on the first embodiment. Figure 1 、 Figure 2 、 Figure 5 As shown in the figure, the adjusting assembly 41 comprises a second electric push rod 411 arranged in the through slot, the right side surface of the second electric push rod 411 is fixedly connected with the right side surface in the through slot, the left end surface of the output rod of the second electric push rod 411 is fixedly connected with a connecting plate 412, the rear side surface of the connecting plate 412 is fixedly connected with a connecting rod 414, the rear end surface of the connecting rod 414 is fixedly connected with a cylinder 415, by adjusting the adjusting assembly 41, the connecting plate 412 is driven to slide on the slide rod 413 by the second electric push rod 411, so that the position of the cylinder 415 in the horizontal direction is adjusted, and the adjustment of the bending position of the pipe fitting is facilitated.

[0037] The left end surface of the connecting plate 412 is provided with two slide rods 413, the two slide rods 413 are symmetrically arranged, the right end surfaces of the two slide rods 413 are slidably penetrated through the left side surface of the connecting plate 412 and extend to the right side of the connecting plate 412, and the left and right end surfaces of the two slide rods 413 are fixedly connected with the left and right side surfaces in the through slot, respectively.

[0038] In use, the two ends of the steel pipe are respectively placed in the lower clamping plate 404 on the inner side of the right C-shaped frame 3, the threaded rod 401 is rotated, the threaded sleeve 402 is moved downward and drives the limiting rod 406 and the upper clamping plate 403 to move downward, the limiting rod 406 drives the wedge-shaped block 407 to slide in the wedge-shaped slot, and the upper clamping plate 403 drives the rubber pad 405 to move downward and clamps and fixes the steel pipe in the lower clamping plate 404; the first electric push rod 4012 is turned on, the output rod of the first electric push rod 4012 is elongated and drives the connected connecting frame 4013 to slide on the sliding plate 4011, so that the left C-shaped frame 3 drives one end of the steel pipe to move, and the contact position of the steel pipe with the cylinder 415 is bent;

[0039] When it is necessary to bend different positions of the steel pipe, the second electric push rod 411 is turned on, the connecting plate 412 is slid on the slide rod 413, the connecting plate 412 drives the connecting rod 414 and the cylinder 415 to move leftward and rightward, so that the contact position of the cylinder 415 with the steel pipe is adjusted, and then different positions of the steel pipe are bent;

[0040] When the steel pipes of different lengths are bent, the motor 409 is turned on, the reciprocating threaded rod 4010 drives the sliding plate 4011 to move in the connecting frame 1, the left C-shaped frame 3 is moved, the distance between the two C-shaped frames 3 is adjusted, the steel pipes of different lengths are clamped and fixed, and the steel pipes of different lengths are bent.

[0041] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A bending angle adjustable bending machine, comprising a connecting frame (1); A support plate (2) fixedly connected to the top surface of the connecting frame (1); A through slot is provided in the front surface of the connecting frame (1); And the connection frame (1) is provided with two C-shaped frames (3) above, characterized in that: The C-shaped frame (3) is provided with a clamping assembly (40) inside; The through slot is provided with an adjusting assembly (41); The clamping assembly (40) comprises a threaded rod (401) located inside the C-shaped frame (3), the top surface of the threaded rod (401) extends to the upper side of the C-shaped frame (3) through the inside top surface of the C-shaped frame (3), the surface of the threaded rod (401) is connected with the inner wall of the C-shaped frame (3) through a bearing seat, a threaded sleeve (402) is threadedly connected to the surface of the threaded rod (401), an upper clamping plate (403) is fixedly connected to the bottom surface of the threaded sleeve (402), a lower clamping plate (404) is fixedly connected to the inner bottom surface of the C-shaped frame (3), a limiting rod (406) is fixedly connected to the surface of the threaded sleeve (402), the rear end surface of the limiting rod (406) is slidingly connected with the inner side surface of the C-shaped frame (3), a sliding plate (4011) is provided on the inner side of the connecting frame (1), a first electric push rod (4012) is fixedly connected to the top surface of the sliding plate (4011), a connecting frame (4013) is fixedly connected to the front end surface of the output rod of the first electric push rod (4012), the bottom surface of the connecting frame (4013) is slidingly connected with the top surface of the sliding plate (4011), a supporting rod (4014) is fixedly connected to the top surface of the connecting frame (4013), the top end surface of the supporting rod (4014) is fixedly connected with the bottom surface of the left C-shaped frame (3), and the right side surface of the right C-shaped frame (3) is fixedly connected with the left side surface of the support plate (2).

2. The bending machine with adjustable bending angle according to claim 1, characterized in that: The adjusting assembly (41) comprises a second electric push rod (411) located inside the through slot, the right side surface of the second electric push rod (411) is fixedly connected with the right side surface inside the through slot, a connecting plate (412) is fixedly connected to the left end surface of the output rod of the second electric push rod (411), a connecting rod (414) is fixedly connected to the rear side surface of the connecting plate (412), and a cylinder (415) is fixedly connected to the rear end surface of the connecting rod (414).

3. The bending machine with adjustable bending angle according to claim 1, characterized in that: A reciprocating threaded rod (4010) is provided on the right side of the sliding plate (4011), the left end surface of the reciprocating threaded rod (4010) extends to the left side of the sliding plate (4011) through the right side surface of the sliding plate (4011) in a threaded manner, the right end surface of the reciprocating threaded rod (4010) is rotatably connected with the right side surface inside the connecting frame (1) through a bearing seat, an electric motor (409) is fixedly connected to the left side surface of the connecting frame (1), the output rod of the electric motor (409) extends to the inside of the connecting frame (1) through the left side surface of the connecting frame (1), the right end surface of the output rod of the electric motor (409) is fixedly connected with the left end surface of the reciprocating threaded rod (4010), and the bottom surface of the sliding plate (4011) is slidingly connected with the bottom surface inside the connecting frame (1).

4. The bending machine with adjustable bending angle according to claim 1, characterized in that: The rear end surface of the limiting rod (406) is fixedly connected with a wedge block (407), a wedge-shaped groove is provided in the inner side surface of the C-shaped frame (3), and the wedge block (407) is slidingly arranged in the wedge-shaped groove.

5. The bending machine with adjustable bending angle according to claim 1, characterized in that: The inner side surface of the upper clamping plate (403) and the inner side surface of the lower clamping plate (404) are fixedly connected with rubber pads (405).

6. The bending machine with adjustable bending angle according to claim 2, characterized in that: The left end surface of the connecting plate (412) is provided with two sliding rods (413), the two sliding rods (413) are symmetrically arranged, the right end surfaces of the two sliding rods (413) slide through the left side surface of the connecting plate (412) and extend to the right side of the connecting plate (412), and the left and right end surfaces of the two sliding rods (413) are fixedly connected with the left and right side surfaces in the through groove respectively.

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