CN218574841U

CN218574841U - Simple manual bending machine

Info

Publication number: CN218574841U
Application number: CN202222290284.5U
Authority: CN
Inventors: 曾富洪; 周兰花
Original assignee: Panzhihua University
Current assignee: Panzhihua University
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-03-07
Anticipated expiration: 2032-08-30

Abstract

The utility model relates to a simple and easy manual bender belongs to the equipment technical field of bending. The clamp comprises a base (5), a movable ring (6), a handle (23), a sliding clamping block (10), an elastic piece (14), an adjusting screw rod (11) and an adjusting nut (12), wherein the movable ring (6) is rotatably connected to a boss at the upper end of the base (5), the handle (23) is connected with the outer wall of the movable ring (6) and is slidably connected with the rotating clamping block (20); the boss upper end is equipped with the wedge fixed orifices, and slip grip block (10) are established in the wedge fixed orifices, and adjusting screw (11) pass base (5) and bar hole and are connected with adjusting nut (12), and the interval is provided with fixed die plate (9) on the boss. The device has simple structure and convenient adjustment, and realizes the clamping operation and the bending operation in two vertical directions. The problem of current manual bender clamping operation and bending operation are in same aspect, and structural arrangement does not lead to the fact the operation complicacy relatively at same aspect is solved.

Description

Simple manual bending machine

Technical Field

The utility model relates to a simple and easy manual bender belongs to the equipment technical field of bending.

Background

The bending machine is a machine for bending materials, main pipes, bars, wire rods and steel bars of the processed materials are machined, the main types of the bending machine comprise three types including a manual bending machine, a hydraulic bending machine, a numerical control bending machine and the like, the manual bending machine can be divided into a mechanical manual bending machine and an electric manual bending machine, the electric bending machine is controlled by electric parts, and the mechanical manual bending machine is operated by operators in a purely manual mode and does not contain any circuit part. In the building engineering industry, a large amount of reinforcing steel bars need to be bent and formed, automatic large-scale equipment is matched for bending complex formed parts, however, for bending small-sized thin reinforcing steel bars, if the large-scale equipment or a developed profiling mold is adopted, waste is caused. When small parts with small quantity are processed, a manual bending machine is generally adopted to process materials from the aspect of economic cost.

The national patent CN216126475U discloses a manual bending machine for building, which directly moves a movable stop block to a clamping direction, then a fastening sleeve is arranged on the movable stop block, and a clamping nut is screwed to clamp the movable stop block. This national patent CN210305485U discloses a manual bender, and it adopts a set of screw mechanism to drive movable seat and goes on to the tight direction removal of clamp, and the clamp structure is more complicated. When the manual bending machine clamps, the movable stop block directly moves towards the clamping direction, the clamping operation and the bending operation are on the same layer, and the structural arrangement is not on the same layer relatively, so that the operation is complex.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that current manual bender presss from both sides tight operation and bends the operation at same aspect, and structural arrangement does not cause the operation complicacy at same aspect relatively.

The utility model provides a technical scheme that its technical problem adopted is: the simple manual bending machine comprises a base, a movable ring, a handle and a wedge-shaped clamping assembly, wherein a cylindrical boss is arranged at the upper end of the base, the movable ring is sleeved on the boss and is rotatably connected with the base, one end of the handle is connected with the outer wall of the movable ring, a rotating clamping block is slidably connected onto the handle, and the rotating clamping block can be fixed in the middle of the handle; wedge centre gripping subassembly is including the slip grip block, the elastic component, adjusting screw and adjusting nut, boss upper end middle part is provided with the wedge fixed orifices, the slip grip block sets up in the wedge fixed orifices, and with wedge fixed orifices adaptation, be provided with the bar hole on the slip grip block, adjusting screw passes and wears out along wedge fixed orifices and bar hole behind the base and is connected with adjusting nut, elastic component one end and base contact are connected, the other end and the interior wall connection of slip grip block, be provided with detachable decide the module on the boss of slip grip block one side.

Wherein, among the above-mentioned device the rotation grip block is L shape structure, and is provided with the rectangle through-hole on the minor face lateral wall of rotation grip block, and the handle cross-section is the rectangle structure of adaptation, rotates the grip block cover and establishes on the handle, and threaded connection has locking screw on the through-hole lateral wall.

Wherein, still include adjusting screw and location among the above-mentioned device and keep off the chi, adjusting screw wears to establish on rotating grip block minor face lateral wall, and with rotate grip block threaded connection, adjusting screw and handle parallel arrangement, location keep off the chi setting and be close to the tip of rotating ring side at adjusting screw.

The fixed module is fixedly connected with the base in an inserting mode.

Wherein, still including connecting ball and holder among the above-mentioned device, be provided with the annular groove on the boss outer wall, connect the ball interval and set up in the annular groove, and connect the lateral wall that the ball is far away from the base end and be connected with the contact of rotating ring inner wall, the holder makes to connect the ball and is located between rotating ring and the boss.

The device further comprises a pressing plate and a connecting bolt, wherein a V-shaped notch is formed in the lower end of the base, the pressing plate is arranged at the notch, and the two ends of the pressing plate are connected with the base through the connecting bolt.

Further, still include the workstation among the above-mentioned device, the workstation setting is connected fixedly at the lower extreme of base and with the base.

Further, in the device, the workbench panel is arranged between the pressing plate and the lower end of the base.

The elastic piece in the device is a tubular spring, the elastic piece is sleeved on the adjusting screw rod, one end of the elastic piece is in contact connection with the base, and the other end of the elastic piece is connected with the inner wall of the sliding clamping block.

Wherein, in the device, the adjusting screw is fixedly connected with the base.

The beneficial effects of the utility model are that: the device has simple structure and convenient use. One clamping block is a replaceable shaping module matched with the bending shape, the other clamping block is a grooved wedge-shaped sliding clamping block, the sliding clamping block can move downwards to clamp a formed workpiece by rotating an adjusting nut on the clamping block, then the workpiece can be bent and formed by rotating a handle, and the clamping operation and the bending operation are in two vertical directions. The bending machine is simple in structure, good in clamping and bending forming effects, capable of adjusting the bending length by twisting the adjusting screw rod, convenient to adjust actually and flexible in use environment.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the partial cross-sectional structure of the present invention;

FIG. 3 is another schematic sectional view of the present invention;

fig. 4 is a schematic view of the top view structure of the present invention.

Labeled as: 1 is a workbench, 4 is a connecting bolt, 5 is a base, 6 is a movable ring, 7 is a connecting ball, 8 is a retainer, 9 is a fixed die block, 10 is a sliding clamping block, 11 is an adjusting screw rod, 12 is an adjusting nut, 13 is an adjusting washer, 14 is an elastic piece, 18 is a pressing plate, 19 is a sizing stop block, 20 is a rotating clamping block, 21 is an adjusting screw rod, 22 is a locking screw rod, 23 is a handle, and 24 is a workpiece.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 to 4, the simple manual bending machine of the present invention comprises a base 5, a movable ring 6, a handle 23 and a wedge-shaped clamping assembly, wherein a cylindrical boss is arranged at the upper end of the base 5, the movable ring 6 is sleeved on the boss and rotatably connected with the base 5, one end of the handle 23 is connected with the outer wall of the movable ring 6, a rotating clamping block 20 is slidably connected on the handle 23, and the rotating clamping block 20 can be fixed in the middle of the handle 23; wedge centre gripping subassembly is including sliding grip block 10, elastic component 14, adjusting screw 11 and adjusting nut 12, boss upper end middle part is provided with the wedge fixed orifices, sliding grip block 10 sets up in the wedge fixed orifices, and with wedge fixed orifices adaptation, be provided with the bar hole on the sliding grip block 10, adjusting screw 11 passes and wears out along wedge fixed orifices and bar hole behind the base 5 to be connected with adjusting nut 12, elastic component 14 one end is connected with base 5 contact, the other end and the 10 interior wall connections of sliding grip block, be provided with detachable on the boss of sliding grip block 10 one side and decide module 9. As can be understood by those skilled in the art, in order to facilitate the connection of the movable ring 6, the device is preferably provided with a cylindrical boss at the upper end of the base 5, the movable ring 6 is sleeved on the boss and is rotatably connected with the base 5, one end of the handle 23 is connected with the outer wall of the movable ring 6, the handle 23 is actually rotated to drive the rotary clamping block 20 on the handle 23 to rotate, and the rotary clamping block 20 directly acts on the workpiece 24 to bend the workpiece 24, in order to facilitate the fixation of the workpiece 24, the device is preferably realized by a wedge-shaped clamping assembly and a fixed die block 9, specifically, a wedge-shaped fixing hole is provided in the middle of the upper end of the boss, namely, on the boss inside the movable ring 6, the sliding clamping block 10 is arranged in the wedge-shaped fixing hole and is adapted to the wedge-shaped fixing hole, namely, the sliding clamping block 10 is of a wedge-shaped structure, be provided with the bar hole on the slip grip block 10, the setting in bar hole is mainly for the convenient removal of adjusting screw 21, and pass 5 backs of base along wedge fixed orifices and bar hole with adjusting screw 11 and wear out to be connected with adjusting nut 12, the actual preferred slip grip block 10 is the tubular structure that the upper end was sealed, and the lower extreme is wedge form and wedge fixed orifices adaptation, and the lower extreme of slip grip block 10 and the lower part lateral wall in close contact with of wedge fixed orifices, actually twist adjusting nut and just can make slip grip block 10 reciprocate along the wedge, and be connected elastic component 14 one end and base 5 contact, the other end and 10 interior wall connections of slip grip block, when mainly reversing the adjusting nut of twisting, make slip grip block 10 rise under the elastic action and reset. Actually, a clamping space is formed between the fixed module 9 and the sliding clamping block 10, the sliding clamping block 10 is in a wedge shape, and the sliding clamping block 10 can move up and down by rotating the adjusting nut 12, so that the size of the clamping space is changed, the application range of the bending machine can be enlarged, and the bending forming quality can be improved. The elastic member 14 can ensure that the top of the sliding clamping block 10 is always in contact with the bottom of the adjusting nut 12, and for convenience of end contact of the elastic member 14, an adjusting washer 13 may be preferably arranged at the lower end of the adjusting nut 12, so that the upper end of the elastic member 14 is directly in contact connection with the adjusting washer 13.

Preferably, in the above device, the rotating clamping block 20 is an L-shaped structure, a rectangular through hole is formed in a short side wall of the rotating clamping block 20, the cross section of the handle 23 is of a matched rectangular structure, the rotating clamping block 20 is sleeved on the handle 23, and a locking screw 22 is in threaded connection with a side wall of the through hole. Those skilled in the art can understand that, the shape of the rotating clamping block 20 is preferred, the rotating clamping block 20 is preferably of an L-shaped structure, a rectangular through hole is formed in a short side wall of the rotating clamping block 20, the cross section of the handle 23 is of a matched rectangular structure, the rotating clamping block 20 is sleeved on the handle 23, in fact, a long side of the rotating clamping block 20 is arranged in parallel with the handle 23 and is located on the rear side of the handle 23, meanwhile, the rotating clamping block 20 is fixed on the handle 23 conveniently, and a locking screw 22 is preferably in threaded connection with the side wall of the through hole, and due to the fact that the locking screw 22 is in threaded connection with the rotating clamping block 20, the end portion of the locking screw 22 can be in contact connection with the side wall of the handle 23 to fix the rotating clamping block 20 by screwing. And the hole of the rotary clamping block 20 is in clearance fit with the handle 23, the rotary clamping block 20 can slide on the handle 23, and the locking screw 22 is used for locking the rotary clamping block 20 on the handle 23.

Preferably, the device further comprises an adjusting screw 21 and a positioning ruler 19, the adjusting screw 21 is arranged on the short side wall of the rotating clamping block 20 in a penetrating mode and is in threaded connection with the rotating clamping block 20, the adjusting screw 21 is arranged in parallel with the handle 23, and the positioning ruler 19 is arranged at the end portion, close to the movable ring 6, of the adjusting screw 11. As can be appreciated by those skilled in the art, it is preferable that the adjusting screw 21 is threadedly coupled to the rotating clamping block 20, and the sizing block 19 is disposed at an end of the adjusting screw 21, and that rotating the adjusting screw 21 can change a position of the sizing block 19 to control a protruding length of the workpiece 24 for bending forming, thereby improving bending forming quality.

Preferably, in the above device, the fixed module 9 is fixedly inserted into the base 5. Those skilled in the art can understand that, because the size of the fixed module 9 affects the bending formability of the workpiece 24, so as to facilitate the replacement of the fixed module 9 with different sizes, the fixed module 9 and the base 5 are preferably inserted and fixed in the device, the fixed module 9 is actually embedded into the clamping groove of the boss at the upper end of the base 5 through transition fit, different forming modules can be selected according to different bending shapes during operation, and thus the use flexibility of the bending machine can be improved.

Preferably, the device further comprises a connecting ball 7 and a retainer 8, an annular groove is formed in the outer wall of the boss, the connecting balls 7 are arranged in the annular groove at intervals, the side wall, far away from the base 5, of each connecting ball 7 is in contact connection with the inner wall of the movable ring 6, and the retainer 8 enables the connecting balls 7 to be located between the movable ring 6 and the boss. Those skilled in the art will understand that the annular groove formed on the upper portion of the boss at the upper end of the base 5, together with the connecting balls 7, the retainer 8 and the rotating ring 6, forms a rotating pair connected by a rolling bearing, so that the rotating ring 6 can rotate around the base 5.

Preferably, the device further comprises a pressing plate 18 and a connecting bolt 4, wherein a V-shaped notch is formed in the lower end of the base 5, the pressing plate 18 is arranged at the notch, and two ends of the pressing plate are connected with the base 5 through the connecting bolt 4. As can be understood by those skilled in the art, in order to fix the base 5 conveniently, the lower end of the base 5 is preferably provided with a V-shaped notch, meanwhile, a pressing plate 18 is arranged at the notch for blocking the notch, and two ends of the pressing plate 18 are connected with the base 5 through connecting bolts 4, the structure arrangement enables the clamp to be placed on the clamp only by fixing a pipe rod profile in a working environment (such as a building site), a special workbench 1 is not needed, and the environment of the bending machine is flexible to use.

Preferably, the device further comprises a workbench 1, and the workbench 1 is arranged at the lower end of the base 5 and is fixedly connected with the base 5. As can be understood by those skilled in the art, in order to facilitate the stable support of the device, the device preferably arranges the workbench 1 at the lower end of the base 5 and is fixedly connected with the base 5, and in practice, the workbench 1 is preferably detachably connected with the base 5.

Preferably, in the above device, the table top plate of the working table 1 is arranged between the pressing plate 18 and the lower end of the base 5. Those skilled in the art can understand that, in order to facilitate the connection between the base 5 and the workbench 1, the workbench 1 deck plate is preferably arranged between the pressing plate 18 and the lower end of the base 5, that is, the screw of the connecting bolt 4 needs to sequentially pass through the pressing plate 18, the workbench 1 deck and the base 5 and then be connected with the nut, so that the three are connected and fixed through the connecting bolt 4, and actually, the two ends of the bottom end of the base 5 are preferably in a stepped structure to form a connecting lug structure with holes, so that the bolt can be fixed at low cost.

Preferably, the elastic member 14 in the above device is a tubular spring, the elastic member 14 is sleeved on the adjusting screw 11, and one end of the elastic member is in contact connection with the base 5, and the other end of the elastic member is connected with the inner wall of the sliding clamping block 10. As can be understood by those skilled in the art, for convenience of installation and cost reduction, the elastic member 14 is preferably a tubular spring, and the elastic member 14 is sleeved on the adjusting screw 11, and has one end in contact connection with the base 5 and the other end in connection with the inner wall of the sliding clamping block 10.

Preferably, the adjusting screw 11 is fixedly connected with the base 5. It will be appreciated by those skilled in the art that the adjustment screw 11 is preferably fixedly connected to the base 5 in order to avoid that the adjustment screw 11 will not rotate when the adjustment nut 12 is conveniently screwed.

The working principle is as follows: when a workpiece 24 is bent, a proper fixed die plate 9 is selected to be placed in the clamping groove of the base 5 according to the requirement of the bending shape, and the handle 23 is rotated to be parallel to the long edge of the fixed die plate 9; according to the requirement of the extension length of the workpiece 24, the adjusting screw 21 is rotated to complete the positioning of the sizing stop block 19; placing a workpiece 24 in a gap space formed between the fixed template 9 and the sliding clamping block 10, wherein one end of the workpiece 24 abuts against the fixed length stop block 19 during placement; the adjusting nut 12 is rotated to enable the sliding clamping block 10 to move downwards to clamp the workpiece 24, then the handle 23 is rotated, and the bending forming of the workpiece 24 is completed according to requirements.

Claims

1. Simple and easy manual bender, its characterized in that: the clamp comprises a base (5), a movable ring (6), a handle (23) and a wedge-shaped clamping assembly, wherein a cylindrical boss is arranged at the upper end of the base (5), the movable ring (6) is sleeved on the boss and is rotationally connected with the base (5), one end of the handle (23) is connected with the outer wall of the movable ring (6), a rotating clamping block (20) is slidably connected onto the handle (23), and the rotating clamping block (20) can be fixed in the middle of the handle (23); wedge centre gripping subassembly is including slip grip block (10), elastic component (14), adjusting screw (11) and adjusting nut (12), boss upper end middle part is provided with the wedge fixed orifices, slip grip block (10) set up in the wedge fixed orifices, and with wedge fixed orifices adaptation, be provided with the bar hole on slip grip block (10), adjusting screw (11) are worn out along wedge fixed orifices and bar hole after passing base (5) and are connected with adjusting nut (12), elastic component (14) one end is connected with base (5) contact, the other end and slip grip block (10) inner wall connection, be provided with detachable fixed die plate (9) on the boss of slip grip block (10) one side.

2. Simple manual bending machine according to claim 1, characterized in that: the rotary clamping block (20) is of an L-shaped structure, a rectangular through hole is formed in the side wall of the short side of the rotary clamping block (20), the cross section of the handle (23) is of a matched rectangular structure, the rotary clamping block (20) is sleeved on the handle (23), and a locking screw (22) is connected to the side wall of the through hole in a threaded mode.

3. Simple manual bending machine according to claim 1, characterized in that: still include adjusting screw (21) and location fender chi (19), adjusting screw (21) wear to establish on rotating grip block (20) minor face lateral wall, and with rotate grip block (20) threaded connection, adjusting screw (21) and handle (23) parallel arrangement, location fender chi (19) set up the tip that is close to rotating ring (6) side in adjusting screw (21).

4. Simple manual bending machine according to claim 1, characterized in that: the fixed die plate (9) is fixedly inserted into the base (5).

5. Simple manual bending machine according to claim 1, characterized in that: still including connecting ball (7) and holder (8), be provided with the annular groove on the boss outer wall, connect ball (7) interval and set up in the annular groove, and connect ball (7) and keep away from the lateral wall and the rotating ring (6) inner wall contact connection of base (5) end, holder (8) make connect ball (7) be located between rotating ring (6) and the boss.

6. Simple manual bending machine according to claim 1, characterized in that: the novel base is characterized by further comprising a pressing plate (18) and connecting bolts (4), wherein V-shaped notches are formed in the lower end of the base (5), the pressing plate (18) is arranged at the notches, and the two ends of the pressing plate are connected with the base (5) through the connecting bolts (4).

7. Simple manual bending machine according to claim 6, characterized in that: still include workstation (1), workstation (1) sets up the lower extreme at base (5) and is connected fixedly with base (5).

8. Simple manual bending machine according to claim 7, characterized in that: the table top plate of the working table (1) is arranged between the pressing plate (18) and the lower end of the base (5).

9. Simple manual bending machine according to claim 1, characterized in that: the elastic piece (14) is a tubular spring, the elastic piece (14) is sleeved on the adjusting screw rod (11), one end of the elastic piece is in contact connection with the base (5), and the other end of the elastic piece is connected with the inner wall of the sliding clamping block (10).

10. Simple manual bending machine according to claim 1, characterized in that: the adjusting screw rod (11) is fixedly connected with the base (5).