CN215614251U - Controllable pneumatic bender of angle - Google Patents

Controllable pneumatic bender of angle Download PDF

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Publication number
CN215614251U
CN215614251U CN202122148029.2U CN202122148029U CN215614251U CN 215614251 U CN215614251 U CN 215614251U CN 202122148029 U CN202122148029 U CN 202122148029U CN 215614251 U CN215614251 U CN 215614251U
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China
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angle
pneumatic
cylinder
bending
lifting
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CN202122148029.2U
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Chinese (zh)
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许小勇
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Jinan Yiqian Ventilation Equipment Installation Engineering Co ltd
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Jinan Yiqian Ventilation Equipment Installation Engineering Co ltd
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Abstract

The utility model discloses a pneumatic bending machine with a controllable angle, which comprises a rack, a bending mechanism, a clamping mechanism, an angle control mechanism and a bending pneumatic mechanism, wherein a roll-over stand arranged on the bending mechanism is arranged between two vertical stands, the upper part of the roll-over stand is fixedly connected with a workpiece supporting plate, and the lower part of the roll-over stand is connected with a roll-over cylinder; a clamping mechanism is also arranged between the vertical frames, a workpiece clamping plate arranged on the clamping mechanism is arranged above the workpiece supporting plate, and the workpiece clamping plate is controlled to be matched with the workpiece supporting plate to clamp the workpiece; an angle control mechanism is installed on a rotating shaft on one side of the turnover frame, an angle sleeve arranged on the angle control mechanism is sleeved on the rotating shaft, a stop iron is installed outside the angle sleeve, and an in-place switch is arranged on the stop iron and in contact with the bending pneumatic mechanism; the bending pneumatic mechanism is provided with an air pump, a bidirectional pneumatic valve, an in-place switch, an emergency switch and a turnover pedal; the utility model realizes the quick replacement of any bending angle; the designed in-place switch realizes the automatic reset of the roll-over stand after the roll-over stand is bent by a preset angle.

Description

Controllable pneumatic bender of angle
Technical Field
The utility model relates to the technical field of bending machines, in particular to an angle-controllable pneumatic bending machine.
Background
The bending machine is a machine capable of bending a thin plate, the existing bending machine is divided into a manual bending machine, a hydraulic bending machine and a numerical control bending machine, the manual bending machine needs manpower to bend a workpiece, and the bending error is large and low in efficiency. The numerical control bending machine generally adopts electricity as power, when the numerical control bending machine is used, a coil is electrified by a lead, after the coil is electrified, the coil generates attraction force on a pressing plate, and a workpiece is clamped and bent in an overturning way by electromagnetic force. The structure of the clamping device mainly comprises a support, a workbench and a clamping plate, so that the clamping of a thin plate between the pressing plate and a base is realized. Use more hydraulic pressure or pneumatic bender in the actual production, especially in the just production processing of ventilation side's pipe, use comparatively frequently to this type of bender, however, current hydraulic pressure or pneumatic bender all set for fixed rotation angle to the cylinder body, and the angle regulation and control is troublesome to do not have automatic re-setting's function, all need step on pedal control, efficiency is lower, influences the precision of bending. Therefore, an angle-controllable pneumatic bending machine is urgently needed to be designed to solve the problems that an existing bending machine is uncontrollable in angle, low in bending precision and high in use cost.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model aims to provide an angle-controllable pneumatic bending machine.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a pneumatic bending machine with a controllable angle comprises a rack, a bending mechanism, a clamping mechanism, an angle control mechanism and a bending pneumatic mechanism, wherein the bending mechanism, the clamping mechanism, the angle control mechanism and the bending pneumatic mechanism are mounted on the rack;
a clamping mechanism is further arranged between the vertical frames, a workpiece clamping plate arranged on the clamping mechanism is arranged above the workpiece supporting plate, and two sides of the workpiece clamping plate are connected with a lifting power system and used for controlling the lifting of the workpiece clamping plate and clamping the workpiece by matching with the workpiece supporting plate;
an angle control mechanism is installed on a rotating shaft on one side of the turnover frame, an angle sleeve arranged on the angle control mechanism is sleeved on the rotating shaft, spline grooves with different angles are formed in the rotating shaft according to needs, a limiting spline matched with the spline grooves is arranged inside the angle sleeve, a stop iron is installed outside the angle sleeve and used for controlling the rotation angle of the stop iron through the angle of the spline grooves and the limiting spline, the angle sleeve and the stop iron rotate along with the rotating shaft, a touch roller is installed on the stop iron touch bending pneumatic mechanism, and the stop iron touches the touch roller to trigger the touch switch;
the pneumatic mechanism of bending is equipped with the air pump, two-way pneumatic valve, the switch that targets in place, emergency switch and upset are pedal, the air inlet of two-way pneumatic valve and the switch that targets in place are connected to the air pump, pneumatic interface one and pneumatic interface two of upset cylinder are connected respectively to two gas outlets of two-way pneumatic valve, the upset is pedal to one side control port connection of two-way pneumatic valve, the opposite side control port of two-way pneumatic valve is connected the switch that targets in place, the air current direction of two gas outlets of upset pedal and the switch control two-way pneumatic valve that targets in place, be used for controlling the flexible of revolving cylinder, connect emergency switch in parallel on the business turn over pipeline of switch that targets in place, be used for controlling the reset scram of upset cylinder.
Specifically, the mechanism of bending is equipped with upset cylinder, roll-over stand, work piece layer board, and the roll-over stand both ends are fixed on the upset pillar, and the pivot is connected to the upset stand, and the pivot is passed through the bearing and is connected on the bearing frame, and the bearing frame is fixed on the grudging post, and just the bearing outside cover is equipped with the angle sleeve in the pivot of one side, and the balancing weight is just installed in the bearing outside in the pivot of opposite side for supplementary roll-over stand upset.
Specifically, the rear end of the overturning cylinder is installed on the overturning cylinder support through a second pin shaft, the overturning cylinder support is fixed to the bottom of the bottom frame, the top end of a cylinder rod of the overturning cylinder is connected with the supporting arm through a first pin shaft, and the supporting arm is fixed to the overturning frame and used for overturning the overturning frame under telescopic control of the overturning cylinder.
Specifically, the clamping mechanism is provided with a workpiece clamping plate and a lifting power system, and the lifting power system adopts a lifting motor or a lifting cylinder.
Specifically, when lift driving system adopted elevator motor, elevator motor installed on the chassis, elevator motor's motor shaft connected action wheel, the action wheel passes through the driving medium and connects from the driving wheel, connect the one end at the transmission shaft from the driving wheel, the transmission shaft passes through the bearing and installs on the grudging post, be equipped with two horizontal awl teeth on the transmission shaft relatively, horizontal awl tooth meshing connects vertical awl tooth, vertical awl tooth is installed in the bottom of lead screw, the lead screw passes through spacing bearing and installs at spacing inslot, the screw has connect the screw seat on the lead screw, the screw seat is connected in work piece splint both sides, a lift for elevator motor drive work piece splint, elevator motor connects elevator motor and steps on, a work for controlling elevator motor.
Specifically, when lift driving system adopted the lift cylinder, the lift cylinder was equipped with two and fixes on the grudging post through the mounting bracket respectively, and the cylinder pole top link block of lift cylinder, the slider slides in the spout that is equipped with on the grudging post, and the slider is connected in the both sides of work piece splint for the lift of lift cylinder control work piece splint, it is pedal that the lift cylinder is connected to the lift cylinder, is used for controlling the flexible of lift cylinder.
Specifically, an angle scale is arranged on the periphery of the angle sleeve, and angle scales are arranged on the angle scale and used for determining the current position and the rotation angle of the stop iron.
The utility model has the following beneficial effects:
according to the angle-controllable pneumatic bending machine, the limit splines and the spline grooves with various angles are designed, so that the bending angle can be quickly changed at any bending angle, the angle disc is arranged, the bending angle can be accurately controlled, and the bending precision is improved; the designed in-place switch realizes automatic reset of the turnover frame after bending for a preset angle, only one turnover pedal needs to be stepped for each processing, and the working efficiency is higher; the bending machine has simple structure, low manufacturing cost and use cost and higher safety.
Drawings
Fig. 1 is a schematic structural diagram of a pneumatic bending machine with a controllable angle, wherein a lifting motor is adopted.
Fig. 2 is a schematic view of a transmission structure of the lifting motor.
Fig. 3 is a schematic view of the mounting structure of the angle control mechanism.
Fig. 4 is a schematic structural view of the angle control mechanism.
Fig. 5 is a schematic view of the mounting structure of the roll-over cylinder.
Fig. 6 is a schematic structural diagram of an angle-controllable pneumatic bending machine using a lifting cylinder.
FIG. 7 is a schematic view of the connection of the pneumatic structure of the bend.
In the figure: 1-a frame; 2-a bending mechanism; 3-clamping mechanism; 4-an angle control mechanism; 5-bending a pneumatic mechanism; 1.1-underframe; 1.2-erecting a frame; 2.1-overturning the cylinder; 2.2-a roll-over stand; 2.3-workpiece pallet; 2.4-overturning the strut; 2.5-rotating shaft; 2.6-bearing seat; 2.7-counterweight block; 2.8-overturning the cylinder bracket; 2.9-pneumatic interface one; 2.10-pneumatic interface two; 2.11-pin shaft I; 2.12-pin shaft II; 2.13-supporting arm; 3.1-workpiece clamping plate; 3.2-lifting motor; 3.3-driving wheel; 3.4-driven wheel; 3.5-transmission shaft; 3.6-transverse bevel gear; 3.7-vertical bevel gear; 3.8-limiting groove; 3.9-lead screw; 3.10-nut seat; 3.11-lifting cylinder; 3.12-mounting frame; 3.13-chute; 3.14-slide block; 3.15-lifting motor pedal; 3.16-lifting cylinder pedal; 4.1-angle sleeve; 4.2-spline grooves; 4.3-limiting spline; 4.4-stop iron; 4.5-degree scale; 5.1-air pump; 5.2-two-way pneumatic valves; 5.3-overturning and pedaling; 5.4-in-place switch; 5.5-emergency switch; 5.6-touching the roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be described in further detail in the following clearly and completely with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 7, the pneumatic bending machine with a controllable angle comprises a frame 1, and a bending mechanism 2, a clamping mechanism 3, an angle control mechanism 4 and a bending pneumatic mechanism 5 which are mounted on the frame 1, wherein the frame 1 is provided with an underframe 1.1, and vertical frames 1.2 are mounted on two sides of the underframe 1.1.
The bending mechanism 2 is provided with a turnover cylinder 2.1, turnover frames 2.2 and workpiece supporting plates 2.3, the turnover frames 2.2 are arranged between the two vertical frames 1.2, two sides of each turnover frame 2.2 are connected to the corresponding vertical frame 1.2 through rotating shafts 2.5, the workpiece supporting plates 2.3 are fixedly connected to the upper parts of the turnover frames 2.2, the lower parts of the turnover frames 2.2 are connected with the turnover cylinders 2.1, and the turnover cylinders 2.1 are used for controlling the turnover frames 2.2 and the workpiece supporting plates 2.3 to rotate; roll-over stand 2.2 both ends are fixed on upset pillar 2.4, and pivot 2.5 is connected to upset stand 2.4, and pivot 2.5 passes through the bearing and connects on bearing frame 2.6, and bearing frame 2.6 is fixed on grudging post 1.2, and on the pivot 2.5 of one side and overlap in the bearing outside and be equipped with angle sleeve 4.1, on the pivot 2.5 of opposite side and install balancing weight 2.7 in the bearing outside for supplementary roll-over stand 2.2 overturns. The rear end of the overturning cylinder 2.1 is installed on the overturning cylinder support 2.8 through a second pin shaft 2.12, the overturning cylinder support 2.8 is fixed at the bottom of the base frame 1.1, the top end of a cylinder rod of the overturning cylinder 2.1 is connected with the supporting arm 2.13 through a first pin shaft 2.11, and the supporting arm 2.13 is fixed on the overturning frame 2.2 and used for the overturning cylinder 2.1 to telescopically control the overturning frame 2.2 and the workpiece supporting plate 2.3 to overturn and bend workpieces.
The clamping mechanism 3 is provided with a workpiece clamping plate 3.1 and a lifting power system, and the lifting power system adopts a lifting motor 3.2 or a lifting cylinder 3.11. Still install between grudging post 1.2 and press from both sides dress mechanism 3, press from both sides the work piece splint 3.1 that dress mechanism 3 was equipped with and install in the top of work piece layer board 2.3, work piece splint 3.1 both sides are connected and are gone up and down driving system for control work piece splint 3.1 goes up and down and cooperate work piece layer board 2.3 to clip the work piece.
When lift driving system adopted elevator motor 3.2, elevator motor 3.2 installed on chassis 1.1, elevator motor 3.2's motor shaft is connected action wheel 3.3, action wheel 3.3 passes through the belt and connects from driving wheel 3.4, connect the one end at transmission shaft 3.5 from driving wheel 3.4, transmission shaft 3.5 passes through the bearing and installs on grudging post 1.2, be equipped with two horizontal awl tooth 3.6 on the transmission shaft 3.5 relatively, horizontal awl tooth 3.6 meshing connects vertical awl tooth 3.7, vertical awl tooth 3.7 is installed in the bottom of lead screw 3.9, lead screw 3.9 passes through spacing bearing and installs in spacing groove 3.8, it has screw seat 3.10 to peg graft on lead screw 3.9, screw seat 3.10 connects in work piece splint 3.1 both sides, be used for elevator motor 3.2 drives the lift of work piece splint 3.1, elevator motor 3.2 connects elevator motor pedal 3.15, be used for controlling elevator motor 3.2's work.
When lift driving system adopted lift cylinder 3.11, lift cylinder 3.11 was equipped with two and is fixed on grudging post 1.2 through mounting bracket 3.12 respectively, lift cylinder 3.11's cylinder pole top link block 3.14, slide in the spout 3.13 that slider 3.14 was equipped with on grudging post 1.2, slider 3.14 is connected in work piece splint 3.1's both sides for lift cylinder 3.11 controls work piece splint 3.1's lift, lift cylinder 3.11 is connected the pedal 3.16 of lift cylinder, be used for controlling the flexible of lift cylinder 3.11.
The angle control mechanism 4 is provided with an angle sleeve 4.1, a stop iron 4.4 and an angle scale 4.5, the angle control mechanism 4 is installed on a rotating shaft 2.5 at one side of the roll-over stand 2.2, the angle sleeve 4.1 arranged on the angle control mechanism 4 is sleeved on the rotating shaft 2.5, spline grooves 4.2 with different angles are arranged on the rotating shaft 2.5 according to requirements, a limiting spline 4.3 matched with the spline groove 4.2 is arranged inside the angle sleeve 4.1, the stop iron 4.4 is installed outside the angle sleeve 4.1 and used for controlling the rotating angle of the stop iron 4.4 through the angle of the spline groove 4.2 and the limiting spline 4.3, the angle sleeve 4.1 and the stop iron 4.4 rotate along with the rotating shaft 2.5, the stop iron 4.4 is provided with an in-position switch 5.4 when touching the bending pneumatic mechanism 5, the roller 5.6 is installed on the in-position touch switch 5.4, the stop iron 4 touches the roller 5.6 to trigger the in-position switch 5.4, so that the roll-over stand 2.2 and the workpiece support plate 2.3 are reset; the periphery of angle sleeve 4.1 is equipped with angle scale 4.5, and angle scale 4.5 is installed on bearing frame 2.6, is equipped with the angle scale on the angle scale 4.5 for confirm the current position and the turned angle of stop iron 4.4. Through the design of the limiting splines 4.3 and the spline grooves 4.2 of various angles, the quick replacement of any bending angle is realized, the angle scale 4.5 is arranged, the bending angle is accurately controlled, and the bending precision is improved.
The bending pneumatic mechanism 5 is provided with an air pump 5.1, a bidirectional pneumatic valve 5.2, an in-place switch 5.4, an emergency switch 5.5 and a turnover pedal 5.3, the air pump 5.1 is connected with an air inlet of the bidirectional pneumatic valve 5.2 and the in-place switch 5.4, two air outlets of the bidirectional pneumatic valve 5.2 are respectively connected with a first pneumatic interface 2.9 and a second pneumatic interface 2.10 of the turnover cylinder 2.1, a control port on one side of the bidirectional pneumatic valve 5.2 is connected with the turnover pedal 5.3, a control port on the other side of the bidirectional pneumatic valve 5.2 is connected with the in-place switch 5.4, the turnover pedal 5.3 and the in-place switch 5.4 control the air flow directions of the two air outlets of the bidirectional pneumatic valve 5.2 and are used for controlling the extension and retraction of the rotary cylinder 2.1, and the emergency switch 5.5 is connected in parallel to an inlet and outlet pipeline of the in-position switch 5.4 and is used for controlling the reset emergency stop of the turnover cylinder 2.1.
An operating method of a pneumatic bending machine with a controllable angle comprises the following steps:
1) before use, according to the angle of a batch of workpieces to be bent, the angle from a stop iron 4.4 on an angle sleeve 4.1 to a touch roller 5.6 is adjusted, and the angle sleeve 4.1 is inserted into a spline groove 4.2 of a rotating shaft 2.5 according to a limiting spline 4.3 with the same angle;
2) when the bending machine is used, a lifting motor pedal 3.15 or a lifting cylinder pedal 3.16 is stepped by a foot, a workpiece clamping plate 3.1 is controlled to rise through a lifting motor 3.2 or a lifting cylinder 3.11, a workpiece to be bent is placed on a workpiece supporting plate 2.3, the bent position is located at the edge of the workpiece supporting plate 2.3, the lifting motor pedal 3.15 or the lifting cylinder pedal 3.16 is stepped by the foot, the workpiece clamping plate 3.1 descends, and the workpiece supporting plate 2.3 clamps the workpiece to be bent;
3) the foot is stepped on once to turn over the pedal 5.3, the air pump 5.1 increases the air pressure into the bidirectional pneumatic valve 5.2 through turning over one side of the pedal 5.3, the pneumatic interface II 2.10 of the turning over cylinder 2.1 is air inlet at this moment, the turning over cylinder 2.1 drives the cylinder rod to stretch out, push the turning over frame 2.2 and the workpiece supporting plate 2.3 to turn over and bend the workpiece, meanwhile, the rotating shaft 2.5 drives the angle sleeve 4.1 to rotate until the stop iron 4.4 touches the touch roller 5.6 to touch the in-place switch 5.4, the air pump 5.1 increases the air pressure into the bidirectional pneumatic valve 5.2 through one side of the in-place switch 5.4, the pneumatic interface I2.9 of the turning over cylinder 2.1 is air inlet at this moment, the turning over cylinder 2.1 drives the cylinder rod to recover and reset, and complete the bending of the workpiece at the preset angle;
4) then, stepping on a lifting motor pedal 3.15 or a lifting cylinder pedal 3.16 once by a foot, lifting the workpiece clamping plate 3.1 again, taking down the bent workpiece, putting the workpiece to be bent in, and repeating the steps 1) -3) to bend the workpiece in sequence;
5) in the above steps, any emergency situation occurs, the emergency switch 5.5 can be pressed, the air pump 5.1 directly increases air pressure into the bidirectional pneumatic valve 5.2 through one side of the in-place switch 5.4, and the turnover air cylinder 2.1 drives the cylinder rod to recover and reset.
The present invention is not limited to the above embodiments, and any structural changes made under the teaching of the present invention shall fall within the scope of the present invention, which is similar or similar to the technical solutions of the present invention.
The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.

Claims (7)

1. The angle-controllable pneumatic bending machine is characterized by comprising a rack, a bending mechanism, a clamping mechanism, an angle control mechanism and a bending pneumatic mechanism, wherein the bending mechanism, the clamping mechanism, the angle control mechanism and the bending pneumatic mechanism are mounted on the rack;
a clamping mechanism is further arranged between the vertical frames, a workpiece clamping plate arranged on the clamping mechanism is arranged above the workpiece supporting plate, and two sides of the workpiece clamping plate are connected with a lifting power system and used for controlling the lifting of the workpiece clamping plate and clamping the workpiece by matching with the workpiece supporting plate;
an angle control mechanism is installed on a rotating shaft on one side of the turnover frame, an angle sleeve arranged on the angle control mechanism is sleeved on the rotating shaft, spline grooves with different angles are formed in the rotating shaft according to needs, a limiting spline matched with the spline grooves is arranged inside the angle sleeve, a stop iron is installed outside the angle sleeve and used for controlling the rotation angle of the stop iron through the angle of the spline grooves and the limiting spline, the angle sleeve and the stop iron rotate along with the rotating shaft, a touch roller is installed on the stop iron touch bending pneumatic mechanism, and the stop iron touches the touch roller to trigger the touch switch;
the pneumatic mechanism of bending is equipped with the air pump, two-way pneumatic valve, the switch that targets in place, emergency switch and upset are pedal, the air inlet of two-way pneumatic valve and the switch that targets in place are connected to the air pump, pneumatic interface one and pneumatic interface two of upset cylinder are connected respectively to two gas outlets of two-way pneumatic valve, the upset is pedal to one side control port connection of two-way pneumatic valve, the opposite side control port of two-way pneumatic valve is connected the switch that targets in place, the air current direction of two gas outlets of upset pedal and the switch control two-way pneumatic valve that targets in place, be used for controlling the flexible of revolving cylinder, connect emergency switch in parallel on the business turn over pipeline of switch that targets in place, be used for controlling the reset scram of upset cylinder.
2. The controllable-angle pneumatic bending machine according to claim 1, wherein the bending mechanism is provided with a turning cylinder, a turning frame and a workpiece supporting plate, two ends of the turning frame are fixed on turning pillars, a turning upright column is connected with a rotating shaft, the rotating shaft is connected onto a bearing seat through a bearing, the bearing seat is fixed onto a vertical frame, an angle sleeve is sleeved on the rotating shaft on one side and outside the bearing, and a balancing weight is installed on the rotating shaft on the other side and outside the bearing and used for assisting the turning frame to turn.
3. The pneumatic bending machine with the controllable angle according to claim 2, wherein the rear end of the overturning cylinder is mounted on an overturning cylinder support through a second pin shaft, the overturning cylinder support is fixed at the bottom of the bottom frame, the top end of a cylinder rod of the overturning cylinder is connected with a supporting arm through a first pin shaft, and the supporting arm is fixed on the overturning frame and used for controlling the overturning of the overturning frame through the expansion and contraction of the overturning cylinder.
4. The angle-controllable pneumatic bending machine according to claim 1, wherein the clamping mechanism is provided with a workpiece clamping plate and a lifting power system, and the lifting power system adopts a lifting motor or a lifting cylinder.
5. The controllable-angle pneumatic bending machine according to claim 4, wherein when the lifting power system adopts a lifting motor, the lifting motor is mounted on the bottom frame, a motor shaft of the lifting motor is connected with a driving wheel, the driving wheel is connected with a driven wheel through a transmission part, the driven wheel is connected to one end of a transmission shaft, the transmission shaft is mounted on the vertical frame through a bearing, two transverse conical teeth are oppositely arranged on the transmission shaft, the transverse conical teeth are meshed with and connected with vertical conical teeth, the vertical conical teeth are mounted at the bottom of a lead screw, the lead screw is mounted in a limiting groove through a limiting bearing, a screw seat is screwed on the lead screw, the screw seat is connected to two sides of a workpiece clamping plate and used for driving the lifting of the workpiece clamping plate by the lifting motor, and the lifting motor is connected with a pedal of the lifting motor and used for controlling the working of the lifting motor.
6. The pneumatic bending machine with the controllable angle according to claim 4, wherein when the lifting power system adopts a lifting cylinder, two lifting cylinders are respectively fixed on the stand through a mounting rack, the top end of a cylinder rod of the lifting cylinder is connected with a sliding block, the sliding block slides in a sliding groove arranged on the stand, the sliding block is connected to two sides of the workpiece clamping plate and used for controlling the lifting of the workpiece clamping plate through the lifting cylinder, and the lifting cylinder is connected with a lifting cylinder pedal and used for controlling the extension and retraction of the lifting cylinder.
7. The pneumatic bending machine with controllable angle according to claim 1, wherein the angle sleeve is provided with an angle scale on the periphery, and the angle scale is provided with angle scales for determining the current position and the rotation angle of the stop iron.
CN202122148029.2U 2021-09-07 2021-09-07 Controllable pneumatic bender of angle Active CN215614251U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122148029.2U CN215614251U (en) 2021-09-07 2021-09-07 Controllable pneumatic bender of angle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122148029.2U CN215614251U (en) 2021-09-07 2021-09-07 Controllable pneumatic bender of angle

Publications (1)

Publication Number Publication Date
CN215614251U true CN215614251U (en) 2022-01-25

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ID=79910897

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122148029.2U Active CN215614251U (en) 2021-09-07 2021-09-07 Controllable pneumatic bender of angle

Country Status (1)

Country Link
CN (1) CN215614251U (en)

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