CN213316957U

CN213316957U - Automatic change circular arc bender

Info

Publication number: CN213316957U
Application number: CN202021811480.7U
Authority: CN
Inventors: 蔡家雄
Original assignee: Guizhou Qiancheng Electrical Appliance Manufacturing Co ltd
Current assignee: Guizhou Qiancheng Electrical Appliance Manufacturing Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-06-01
Anticipated expiration: 2030-08-26

Abstract

The utility model discloses an automatic arc bending machine, which comprises a supporting seat and a fixed die block, wherein a buffer seat is arranged at the bottom of the inner side of the supporting seat, a telescopic rod is arranged at the top of the buffer seat, a buffer spring is arranged on the outer surface of the telescopic rod, a sliding block is arranged at the top of the telescopic rod, sliding grooves are arranged at two ends of the outer side of the sliding block, the fixed die block is arranged at the top of the sliding block, fixed plates are connected with the left side and the right side of the fixed die block, a metal plate is arranged at the middle part of the inner side of the fixed die block, a bending seat is arranged at the bottom of the metal plate, positioning columns are arranged at two sides of the top of the fixed die block, a movable die seat is arranged at the top of the movable die block, positioning holes are arranged at two, the inner side of the hydraulic cylinder is connected with a push rod.

Description

Automatic change circular arc bender

Technical Field

The utility model relates to a crib crimper technical field specifically is an automatic change circular arc bender.

Background

The arc bending machine is a machine capable of bending a steel plate, is important equipment for bending and forming workpieces in the metal plate industry, can press the steel plate into a circular arc part according to process requirements by using a stamping column, is convenient and rapid in working process, and is widely applied to the heavy industry field.

However, in the current market, many types of arc bending machines have low machining precision, are easy to deviate in the stamping process, cause the shape deformation of arc bending, and cannot meet the machining requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic change circular arc bender to it is lower to provide the precision that general circular arc crib crimper adds man-hour in solving above-mentioned background art, squints easily in stamping process, leads to the shape deformation that the circular arc was buckled, can't reach the problem of processing requirement.

In order to achieve the above object, the utility model provides a following technical scheme: an automatic arc bending machine comprises a supporting seat and a fixed die block, wherein a buffer seat is arranged at the bottom of the inner side of the supporting seat, a telescopic rod is arranged at the top of the buffer seat, a buffer spring is arranged on the outer surface of the telescopic rod, a sliding block is arranged at the top of the telescopic rod, sliding grooves are formed in two ends of the outer side of the sliding block, the fixed die block is arranged at the top of the sliding block, fixed plates are connected to the left side and the right side of the fixed die block, a metal plate is arranged in the middle of the inner side of the fixed die block, a bending seat is arranged at the bottom of the metal plate, positioning columns are arranged on two sides of the top of the fixed die block, a movable die seat is arranged at the top of the positioning columns, positioning holes are formed in two sides of the, the inner side of the hydraulic cylinder is connected with a push rod.

Preferably, be swing joint between supporting seat and the sliding block, and the sliding block passes through the spout and constitutes sliding construction.

Preferably, be the block between cover half piece and the metal sheet and be connected, and cover half piece lower surface and the laminating of sliding block upper surface mutually.

Preferably, the positioning columns are symmetrically distributed along the vertical central line of the fixed die block, and the movable die base and the fixed die block are distributed in a parallel manner.

Preferably, the movable die holder and the die handle are of an integrated structure, and the vertical center line of the movable die holder and the vertical center line of the punching column are overlapped.

Preferably, the connecting seat and the hydraulic cylinder are vertically distributed, and the hydraulic cylinder is movably connected with the push rod.

Compared with the prior art, the beneficial effects of the utility model are that: this automatic change circular arc bender through adding the reference column in equipment inside, can play the effect of location and direction in stamping process, can effectively avoid the punching press skew for the circular arc qualification rate of metal sheet suppression rises, thereby makes the processingquality of equipment obtain promoting.

This automatic circular arc bender, the cushion socket pushes down and makes the telescopic link shrink for buffer spring atress warp, warp through buffer spring atress and can absorb the power that punching press post and seat of buckling collided mutually, thereby avoid among the punching press process too big equipment internals metal fatigue that leads to the fact in long-term course of working, lead to the life decline of equipment.

This automatic circular arc bender, through adding push rod and pneumatic cylinder in equipment inside, can make the whole punching press process automation of circular arc, punching press process automation enables the processing step and obtains simplifying to promote process velocity, and simplify the processing step and can practice thrift the manpower, thereby make the processing cost obtain reducing.

Drawings

FIG. 1 is a schematic view of the overall structure of the utility model;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a supporting seat; 2. a buffer seat; 3. a telescopic rod; 4. a buffer spring; 5. a slider; 6. a chute; 7. determining a module; 8. a fixing plate; 9. a metal plate; 10. a bending seat; 11. a positioning column; 12. a movable die holder; 13. positioning holes; 14. punching the column; 15. a die shank; 16. a connecting seat; 17. a hydraulic cylinder; 18. a push rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an automatic arc bending machine comprises a supporting seat 1 and a fixed die block 7, wherein a metal plate 9 is arranged in the middle of the inner side of the fixed die block 7, a bending seat 10 is arranged at the bottom of the metal plate 9, positioning columns 11 are arranged on two sides of the top of the fixed die block 7, a movable die holder 12 is arranged on the top of the positioning columns 11, positioning holes 13 are formed in two sides of the bottom of the movable die holder 12, a punching column 14 is connected to the middle end of the inner side of the movable die holder 12, a die handle 15 is arranged on the top of the movable die holder 12, the fixed die block 7 is connected with the metal plate 9 in a clamping manner, the positioning columns 11 are symmetrically distributed along the vertical central line of the fixed die block 7, the movable die holder 12 and the fixed die block 7 are distributed in a parallel manner, an integrated structure is formed between the movable die holder 12 and the die handle 15, the vertical central line of the movable die holder, the metal plate 9 can not generate displacement during punching through the fixing of the clamping seam at the middle part of the inner side of the fixed module 7, so that the situation that the arc does not reach the standard due to the position movement of the metal plate 9 in the punching process is avoided, the top of the die handle 15 is connected with the punching machine, the punching machine presses down to drive the die handle 15 to move downwards, the die handle 15 moves downwards to drive the movable die holder 12 to press downwards, the movable die holder 12 presses downwards to enable the positioning column 11 to penetrate through the positioning holes 13 on the two sides of the movable die holder 12, the positioning column 11 can play a positioning role in the punching process to enable the movable die holder 12 to press downwards according to a specified track, the situation that the arc formed by the pressed metal plate 9 does not reach the standard due to the deviation of the movable die holder 12 caused by too large vibration in a long punching stroke is avoided, then the punching column 14 punches the top of the metal plate 9 to drive the metal plate 9 to move downwards, and enable the bottom of the metal plate 9 to, by adding the positioning column 11 in the equipment, the positioning and guiding effects can be achieved in the stamping process, stamping offset can be effectively avoided, the qualification rate of the circular arc pressed by the metal plate 9 is increased, and the processing efficiency of the equipment is improved;

the bottom of the inner side of a supporting seat 1 is provided with a buffer seat 2, the top of the buffer seat 2 is provided with a telescopic rod 3, the outer surface of the telescopic rod 3 is provided with a buffer spring 4, the top of the telescopic rod 3 is provided with a sliding block 5, the two ends of the outer side of the sliding block 5 are provided with sliding grooves 6, a fixed die block 7 is arranged at the top of the sliding block 5, the left side and the right side of the fixed die block 7 are connected with a fixed plate 8, the supporting seat 1 is movably connected with the sliding block 5, the sliding block 5 forms a sliding structure through the sliding grooves 6, the lower surface of the fixed die block 7 is attached to the upper surface of the sliding block 5, a stamping column 14 stamps downwards and collides with a bending seat 10 to drive a movable die holder 12 to be attached to the fixed die block 7, the lower surface of the fixed die block 7 is attached to the upper surface of the sliding block, the sliding block 5 slides downwards through the sliding chute 6 after being subjected to the stamping force and enables the buffer seat 2 to be pressed downwards, the buffer seat 2 is pressed downwards to enable the telescopic rod 3 to contract, the buffer spring 4 is deformed under the force, and the force of collision between the stamping column 14 and the bending seat 10 can be absorbed through the deformation of the buffer spring 4 under the force, so that the metal fatigue of internal parts of the equipment caused by the overlarge force in the stamping process in the long-term processing process is avoided, and the service life of the equipment is shortened;

a connecting seat 16 is arranged at the rear part of the bottom side of the supporting seat 1, a hydraulic cylinder 17 is connected to one side of the outer surface of the connecting seat 16 close to the supporting seat 1, a push rod 18 is connected to the inner side of the hydraulic cylinder 17, the connecting seat 16 and the hydraulic cylinder 17 are vertically distributed, the hydraulic cylinder 17 and the push rod 18 are movably connected, after the metal plate 9 is pressed into a circular arc, a punch press drives a die shank 15 to move upwards, a punching column 14 moves upwards, the hydraulic oil in the hydraulic cylinder 17 is pushed outwards to return to the original position, the push rod 18 is driven to be pushed out outwards, the central axis of the push rod 18 is overlapped with the central axis of the bending seat 10, the outer contour of the push rod 18 is consistent with the contour of the bending surface of the bending seat 10, the push rod 18 is pushed outwards to push out the circular arc pressed on the surface of the bending seat 10, can not lead to the circular arc to collide with the staff and lead to the staff injured because of the speed of releasing is too fast, through adding push rod 18 and pneumatic cylinder 17 inside equipment, can make the whole punching press process automation of circular arc, punching press process automation enables the processing step and obtains simplifying to promote process speed, and simplify the processing step and can practice thrift the manpower, thereby make the processing cost obtain reducing.

The working principle is as follows: when the automatic arc bending machine is used, firstly, the metal plate 9 is placed in a clamping seam in the middle of the inner side of the fixed die block 7 for fixing, the metal plate 9 can not generate displacement during punching through the clamping seam in the middle of the inner side of the fixed die block 7, so that the arc can not reach the standard due to the position movement of the metal plate 9 in the punching process is avoided, then, the top of the die handle 15 is connected with a punch press, the punch press presses down to drive the die handle 15 to move downwards, the die handle 15 moves downwards to drive the movable die holder 12 to press downwards, the movable die holder 12 presses downwards to enable the positioning column 11 to penetrate through the positioning holes 13 on two sides of the movable die holder 12, the positioning column 11 can play a positioning role in the punching process, the movable die holder 12 can press downwards according to a specified track, the phenomenon that the arc formed by the pressed metal plate 9 can not reach the standard due to the excessive vibration of the movable die holder 12 in a long punching stroke is avoided, and then, the, the metal plate 9 is driven to move downwards, the bottom of the metal plate 9 is attached to the outer surface of the bending seat 10, the metal plate 9 is punched and deformed to form an arc, the punching column 14 is punched downwards to collide with the bending seat 10, the movable die holder 12 is driven to be attached to the fixed die holder 7, the lower surface of the fixed die holder 7 is attached to the upper surface of the sliding block 5, the sliding block 5 is firmly clamped with the fixed die holder 7 through threaded connection with the fixed plate 8, the punching force is transmitted to the surface of the sliding block 5 after the fixed die holder 7 is attached to the movable die holder 12, then the sliding block 5 slides downwards through the sliding chute 6 after receiving the punching force and presses the buffer seat 2 downwards, the buffer seat 2 presses downwards to enable the telescopic rod 3 to contract, the buffer spring 4 is deformed in a stress manner, the force of the punching column 14 colliding with the bending seat 10 can be absorbed through the deformation of the buffer spring 4, and therefore metal fatigue of internal parts of the equipment caused by overlarge force in a long-term processing process in the punching, after the metal plate 9 is pressed into a circular arc, the punch press drives the die shank 15 to move upwards, so that the punching column 14 moves upwards and returns to the original position, then hydraulic oil in the hydraulic cylinder 17 is pushed outwards, so that the push rod 18 is driven to be pushed outwards, the central axis of the push rod 18 is overlapped with the central axis of the bending seat 10, the outline of the push rod 18 is consistent with the outline of the bending surface of the bending seat 10, the push rod 18 is pushed outwards to push the circular arc which is pressed on the surface of the bending seat 10 outwards, finally the push rod 18 is extended all the time, the processed circular arc is pushed out of the equipment, the pushing speed of the push rod 18 is set to be 30 cm/second, the phenomenon that the circular arc collides with a worker to cause injury due to the fact that the pushing speed is too high can be avoided, and the push rod 18 and the hydraulic cylinder 17 are.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic change circular arc bender, includes supporting seat (1) and cover half piece (7), its characterized in that: the bottom of the inner side of the supporting seat (1) is provided with a buffering seat (2), the top of the buffering seat (2) is provided with a telescopic rod (3), the outer surface of the telescopic rod (3) is provided with a buffering spring (4), the top of the telescopic rod (3) is provided with a sliding block (5), two ends of the outer side of the sliding block (5) are provided with sliding chutes (6), the fixed module (7) is arranged at the top of the sliding block (5), the left side and the right side of the fixed module (7) are connected with fixed plates (8), the middle part of the inner side of the fixed module (7) is provided with a metal plate (9), the bottom of the metal plate (9) is provided with a bending seat (10), two sides of the top of the fixed module (7) are provided with positioning columns (11), the top of each positioning column (11) is provided with a movable mold seat (12), the die handle (15) is arranged at the top of the movable die holder (12), the connecting seat (16) is arranged at the rear part of the bottom side of the supporting seat (1), a hydraulic cylinder (17) is connected to one side, close to the supporting seat (1), of the outer surface of the connecting seat (16), and a push rod (18) is connected to the inner side of the hydraulic cylinder (17).

2. An automated circular arc bending machine according to claim 1, characterized in that: be swing joint between supporting seat (1) and sliding block (5), and sliding block (5) constitute sliding construction through spout (6).

3. An automated circular arc bending machine according to claim 1, characterized in that: decide and be the block between module (7) and metal sheet (9) and be connected, and decide module (7) lower surface and slider (5) upper surface and laminate mutually.

4. An automated circular arc bending machine according to claim 1, characterized in that: the positioning columns (11) are symmetrically distributed along the vertical central line of the fixed die block (7), and the movable die base (12) and the fixed die block (7) are distributed in a parallel manner.

5. An automated circular arc bending machine according to claim 1, characterized in that: the movable die holder (12) and the die handle (15) are of an integrated structure, and the vertical center line of the movable die holder (12) and the vertical center line of the punching column (14) are overlapped.

6. An automated circular arc bending machine according to claim 1, characterized in that: the connecting seat (16) and the hydraulic cylinder (17) are vertically distributed, and the hydraulic cylinder (17) and the push rod (18) are movably connected.