CN110026459B

CN110026459B - Bending machine convenient to feed and discharge

Info

Publication number: CN110026459B
Application number: CN201910328077.4A
Authority: CN
Inventors: 陈曦
Original assignee: Jiashan Haohang Electric Co ltd
Current assignee: Jiashan Haohang Electric Co ltd
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2020-06-19
Anticipated expiration: 2039-04-23
Also published as: CN110026459A

Abstract

The invention discloses a bending machine convenient for feeding and discharging, relates to the field of plate bending equipment, and aims to solve the problems that feeding and discharging of a traditional bending machine are inconvenient and unsafe, and the technical scheme is characterized in that: including the organism, set up in the workstation of organism, set up in the lower mould of workstation, set up in the organism and lie in the last mould of lower mould top, its characterized in that: still including setting up in the material mechanism that takes off of workstation, take off the below that material mechanism is located the lower mould and contradict in the lower surface of panel, workstation one side still is provided with unloading mechanism, unloading mechanism is including being fixed in the frame of workstation one side, setting up in the conveying component of frame, setting up in the centre gripping subassembly that conveying component is used for centre gripping panel. The bending machine convenient for feeding and discharging has the advantages of being convenient for feeding and discharging, saving manpower and improving safety.

Description

Bending machine convenient to feed and discharge

Technical Field

The invention relates to the technical field of plate bending equipment, in particular to a bending machine convenient for feeding and discharging.

Background

The bending machine is mainly used for bending and forming various metal plates such as iron, stainless steel, copper, aluminum and the like, and is used as a press machine to finish easy-die forming, pressure riveting, leveling, differential forming and the like.

The bending machine comprises a support, a workbench and a clamping plate, the workbench is arranged on the machine frame and comprises a base and a pressing plate, the base is connected with the clamping plate through a hinge, the base comprises a seat shell, a coil and a cover plate, the coil is arranged in a recess of the seat shell, and the cover plate is attached to the top of the recess. When in use, the coil is electrified by a lead, and the attraction is generated on the pressing plate after the coil is electrified, thereby realizing the clamping of the supporting plate between the pressing plate and the base.

The feeding operation of the traditional bending machine is usually completed manually, so that the manpower resource is occupied, and the working efficiency is low.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the bending machine convenient for feeding and discharging, and the bending machine has the advantages of convenience and safety in feeding and discharging.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a bender convenient to go up unloading, includes the organism, set up in the workstation of organism, set up in the lower mould of workstation, set up in the organism and be located the last mould of lower mould top, still including setting up in the material mechanism that takes off of workstation, take off the below that the material mechanism is located the lower mould and contradict in the lower surface of panel, workstation one side still is provided with unloading mechanism, unloading mechanism is including being fixed in the frame of workstation one side, setting up in the conveying component of frame, set up in conveying component and the centre gripping subassembly that is used for centre gripping panel.

By adopting the technical scheme, the plate to be punched is placed on the clamping assembly, the conveying assembly drives the clamping assembly and the plate to move towards the lower die and the upper die, when the punching end of the plate extends into the lower die, the upper die punches downwards, the plate is bent by the bending extrusion of the upper die and the lower die, the automatic feeding of the plate is realized, the free end of the plate can be turned upwards during the bending, the part bent upwards of the plate can be supported by the clamping assembly, the deflection problem is avoided, the stability during the bending of the plate is improved, when the punching is finished, the stripping mechanism acts on the lower surface of the plate and pushes the plate upwards, the bent part of the plate is separated from the groove of the lower die, the stripping is realized, then the conveying assembly and the clamping assembly continue to convey the plate in the direction deviating from the feeding and discharging machine body, the automatic blanking is realized, and the problem of labor waste in the traditional manual work is solved, and the operational safety is improved.

The invention is further configured to: the stripping mechanism comprises a base, a fixing column and a stripping barrel, wherein the base is fixedly arranged on the upper surface of the workbench, the fixing column is connected to the base, the cross section of the fixing column is in a T shape, the upper end of the fixing column is sleeved with the sliding sleeve, the stripping barrel is provided with a lower end opening, the lower edge of the stripping barrel extends inwards to form a blocking edge, a stripping spring is sleeved outside the fixing column, the upper end of the stripping spring is abutted to the lower surface of the blocking edge, the lower end of the stripping spring is abutted to the upper surface of the base, and a stripping hole for the stripping barrel to.

Through adopting above-mentioned technical scheme, it is the hollow cylinder setting of lower extreme open-ended to take off the feed cylinder, when will taking off the feed cylinder cover and establish in the fixed column upper end, the inflation portion of fixed column upper end stretches into and takes off in the feed cylinder, and when taking off the feed cylinder and upwards extending under the spring action, keep off the upper surface on edge and the lower surface butt at fixed capital portion, before panel punching press like this, take off the feed cylinder and do not receive external force, it is in natural state to take off the feed spring, take off the feed cylinder upper end and upwards stretch out the lower mould this moment, when to panel punching press, the lower surface and the laminating of lower mould upper surface of panel, and will take off the feed cylinder and compress downwards, compress simultaneously and take off the feed spring, the mould returns after the punching press is accomplished, at this moment with the panel that the punching press was accomplished upwards ejecting realization is automatic to take off under the reset action.

The invention is further configured to: the upper end surface of the stripping cylinder is obliquely arranged and is parallel to the inner wall of the lower die.

Through adopting above-mentioned technical scheme, when taking off the feed cylinder and upwards stretching out the lower mould like this, take off the inclined plane of feed cylinder and can butt completely at the lower surface of panel, increase takes off the area of contact of feed cylinder and panel to be convenient for realize taking off the material more.

The invention is further configured to: the conveying assembly comprises guide rails arranged on two sides of the rack, a conveying frame arranged on the guide rails in a sliding mode, and a driving lead screw connected to the rack in a rotating mode and used for driving the conveying frame to move, the rack is provided with a driving motor used for driving the driving lead screw to rotate, and the clamping assembly is arranged on the conveying frame.

Through adopting above-mentioned technical scheme, when needs realize the material loading, with panel centre gripping on the centre gripping subassembly, later driving motor starts and drives the drive lead screw and rotate to drive the carriage and realize removing along the guide rail, and then drive panel and move towards the lower mould direction, realize automatic feeding.

The invention is further configured to: the centre gripping subassembly is including rotating the dwang, the rotation that connect in four corners departments of carriage and connecting in four dwang free ends and be square frame's rotating turret, rotate the control assembly who connects between rotating turret and clamping frame in the clamping frame of rotating turret, the clamping frame both sides are slided and are provided with the clamping jaw.

Through adopting above-mentioned technical scheme, the side of carriage, the side of dwang and rotating turret form the parallelogram, therefore the rotation of rotating turret is more stable, when the carriage drives panel and removes to the lower mould top, goes up mould down punching press, and later the part that panel is located the carriage turns over a book upwards, at first drives the rotating turret and turns over a certain angle upwards, through the parallelogram principle of dwang, plays certain angle adaptability adjustment effect when panel rotates.

The invention is further configured to: the control assembly comprises a fixed block fixedly arranged on the rotating frame, the fixed block is provided with a guide groove, the guide groove is formed in an arc shape by taking the rotating center of the rotating frame as a circle center, the side wall of the clamping frame rotates and is provided with a guide wheel, and the guide wheel stretches into the guide groove and rolls along the guide groove.

Through adopting above-mentioned technical scheme, when panel is bent, panel upwards rotates the perk towards the one end of rotating turret, thereby it rotates to drive the holding frame, when the holding frame rotates, it rotates along the guide way to drive the leading wheel, through the cooperation of leading wheel and guide way, and leading wheel and guide way lateral wall are the state of compressing tightly, like this when panel is bent, because the leading wheel can rotate, and panel receives external force great, can drive the holding frame and rotate fast, when the punching press is accomplished, panel does not receive other external forces except self gravity, because the leading wheel is the state of supporting tightly with the guide way, make the perk end of panel can slowly descend, panel turns over the book downwards fast after avoiding the punching press to accomplish, lead to unsafe problem.

The invention is further configured to: the inner wall of the guide groove facing the circle center is provided with a rubber pad, the side wall of the guide wheel is coated with the rubber pad, and the distance between the center of the guide wheel and the center of the guide groove is smaller than the sum of the distances between the guide wheel and the guide groove.

Through adopting above-mentioned technical scheme, through set up the rubber pad at guide way and leading wheel lateral wall, the frictional force between leading wheel and the guide way has been increased, and because the distance at leading wheel center and guide way center is less than the distance sum of leading wheel and guide way, make two rubber pads be in the extrusion deformation state, thereby further increased the frictional force between leading wheel and the guide way, need bigger external force when rotating the holding frame, consequently after the punching press is accomplished, panel rotates downwards and can reach slower effect when reseing, thereby it is more stable to make panel reset.

The invention is further configured to: and a return spring is connected between the clamping frame and the rotating frame.

Through adopting above-mentioned technical scheme, when panel is lighter, accomplish the back to panel punching press, in order to guarantee that panel can reset, exert pulling force through setting up the perk end of spring to panel, guarantee to realize automatic re-setting when the light panel of punching press.

The invention is further configured to: t type groove has been seted up to the holding frame both sides, T type inslot sliding is provided with T type piece, T type piece fixed connection clamping jaw.

Through adopting above-mentioned technical scheme, the clamping jaw can be followed T type groove and realized sliding, like this when carrying out the punching press with the panel centre gripping on the clamping jaw, if panel takes place along the displacement of holding frame parallel direction, through the clamping jaw along the displacement of the realization panel that slides in T type groove, in addition, when the punching press was accomplished, when taking off the material subassembly and upwards pushing out panel, panel can take place the displacement for the holding frame, guarantees through the clamping jaw along the material can be taken off smoothly to panel along the sliding in T type groove.

The invention is further configured to: and a pulling spring is connected between the side wall of the T-shaped block and the inner wall of the T-shaped groove.

Through adopting above-mentioned technical scheme, when taking off the material like this, not only can play the absorbing effect of buffering, can apply outside pulling force to the panel that the punching press was accomplished moreover, improve and take off material efficiency.

In conclusion, the beneficial technical effects of the invention are as follows:

1. the plate to be punched is placed on the clamping assembly, the conveying assembly drives the clamping assembly and the plate to move towards the lower die and the upper die, when the punching end of the plate extends into the lower die, the upper die punches downwards, the plate is bent through bending and extruding of the upper die and the lower die, automatic feeding of the plate is achieved, the free end of the plate can be turned upwards during bending, the part bent upwards of the plate can be supported through the clamping assembly, the problem of deflection is avoided, the stability during bending of the plate is improved, when punching is completed, the stripping mechanism acts on the lower surface of the plate and pushes the plate upwards, the bent part of the plate is separated from a groove of the lower die, stripping is achieved, then the conveying assembly and the clamping assembly continue to convey the plate in the direction away from the machine body, automatic blanking is achieved, and the problem of labor waste caused by traditional manual feeding and blanking is solved, and the operation safety is improved;

2. the stripping cylinder is a hollow cylinder with an open lower end, when the stripping cylinder is sleeved on the upper end of the fixing column, an expansion part on the upper end of the fixing column stretches into the stripping cylinder, and when the stripping cylinder extends upwards under the action of a spring, the upper surface of the baffle edge is abutted to the lower surface of the top of the fixing column, so that before the plate is stamped, the stripping cylinder is free from external force, the stripping spring is in a natural state, the upper end of the stripping cylinder extends upwards to form a lower die at the moment, when the plate is stamped, the lower surface of the plate is attached to the upper surface of the lower die, the stripping cylinder is compressed downwards, the stripping spring is compressed simultaneously, the upper die returns after the stamping is completed, at the moment, the plate after the stamping is reset by the stripping spring is ejected upwards to realize automatic stripping, the plate is ejected out from a groove of the lower die, and subsequent.

Drawings

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

FIG. 2 is a schematic structural view of the stripper assembly of the present invention;

FIG. 3 is a schematic structural view of the blanking mechanism of the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 3.

In the figure, 1, a machine body; 2. a work table; 3. a lower die; 4. an upper die; 5. a material stripping mechanism; 6. a blanking mechanism; 7. a frame; 8. a delivery assembly; 9. a clamping assembly; 10. a base; 11. fixing a column; 12. a material-removing barrel; 13. blocking edges; 14. a material removing spring; 15. material stripping holes; 16. a guide rail; 17. a carriage; 18. driving a lead screw; 19. a drive motor; 20. rotating the rod; 21. a rotating frame; 22. a clamping frame; 23. a control component; 24. a clamping jaw; 25. a fixed block; 26. a guide groove; 27. a guide wheel; 28. a rubber pad; 29. a return spring; 30. a T-shaped groove; 31. a T-shaped block; 32. and pulling the material spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the bending machine convenient for loading and unloading disclosed by the invention comprises a machine body 1, a workbench 2 arranged on the machine body 1, and a lower die 3 arranged on the workbench 2, wherein the lower die 3 is a template fixed on the workbench 2, the template is arranged in an L shape, the bending machine further comprises an upper die 4 arranged on the machine body 1 and positioned above the lower die 3, the upper die 4 is arranged in an L shape corresponding to the lower die 3, a stripping mechanism 5 is further arranged on the workbench 2, the stripping mechanism 5 is positioned below the lower die 3 and abuts against the lower surface of a plate, a blanking mechanism 6 is further arranged on one side of the workbench 2, and the blanking mechanism 6 comprises a rack 7 fixed on one side of the workbench 2, a conveying assembly 8 arranged on the rack 7, and a clamping assembly 9 arranged on the conveying assembly 8 and used for clamping the plate; the plate to be punched is placed on the clamping component 9, the conveying component 8 drives the clamping component 9 and the plate to move towards the lower die 3 and the upper die 4, when the punching end of the plate extends into the lower die 3, the upper die 4 punches downwards, the plate is bent by bending and extruding the upper die 4 and the lower die 3, automatic feeding of the plate is realized, the free end of the plate can be turned upwards during bending, the part bent upwards of the plate can be supported by the clamping component 9, the problem of deflection is avoided, the stability during bending of the plate is improved, when punching is completed, the stripping mechanism 5 acts on the lower surface of the plate and pushes the plate upwards, the bent part of the plate is separated from the groove of the lower die 3, stripping is realized, then the conveying component 8 and the clamping component 9 continue to convey the plate towards the direction deviating from the machine body 1, and automatic blanking is realized, the problem of the artifical extravagant labour of unloading in traditional is solved to operation security has been improved.

As shown in fig. 1 and 2, the stripping mechanism 5 includes a base 10 fixedly disposed on the upper surface of the worktable 2 through bolts, a fixing column 11 connected to the base 10 and having a T-shaped cross section, a stripping cylinder 12 slidably sleeved on the upper end of the fixing column 11 and having an opening at the lower end, a blocking edge 13 extending inward from the lower edge of the stripping cylinder 12, a stripping spring 14 sleeved outside the fixing column 11, a stripping spring 14 having an upper end abutting against the lower surface of the blocking edge 13 and a lower end abutting against the upper surface of the base 10, and a stripping hole 15 for the stripping cylinder 12 to pass through being longitudinally formed in the lower die 3; the stripping barrel 12 is arranged in a hollow cylinder shape with an opening at the lower end, when the stripping barrel 12 is sleeved at the upper end of the fixing barrel 11, an expansion part at the upper end of the fixing barrel 11 extends into the stripping barrel 12, and when the stripping barrel 12 extends upwards under the action of a spring, the upper surface of the baffle edge 13 is abutted to the lower surface of the top of the fixing barrel 11, so that before the plate is stamped, the stripping barrel 12 is free from external force, the stripping spring 14 is in a natural state, at the moment, the upper end of the stripping barrel 12 extends upwards out of the lower die 3, when the plate is stamped, the lower surface of the plate is attached to the upper surface of the lower die 3, the stripping barrel 12 is compressed downwards, the stripping spring 14 is compressed, the upper die 4 returns after the stamping is finished, at the moment, the stamped plate is ejected upwards under the resetting action of the stripping spring 14, so that the lower die is automatically stripped, the plate is ejected out.

As shown in fig. 2, the inner wall of the lower die 3 is inclined, the upper end surface of the stripping barrel 12 is inclined, and the upper end inclined surface of the stripping barrel 12 is parallel to the inner wall of the lower die 3; therefore, when the stripping barrel 12 extends out of the lower die 3 upwards, the inclined surface of the stripping barrel 12 can be completely abutted against the lower surface of the plate, the contact area between the stripping barrel 12 and the plate is increased, and stripping is more convenient.

As shown in fig. 1 and 3, the conveying assembly 8 includes guide rails 16 arranged on two sides of the frame 7, a conveying frame 17 slidably arranged on the guide rails 16, and a driving screw 18 rotatably connected to the frame 7 and used for driving the conveying frame 17 to move, the conveying frame 17 is a square frame, a driving motor 19 for driving the driving screw 18 to rotate is further arranged on the frame 7, an output shaft of the driving motor 19 is connected with the driving screw 18 through a coupling, and the clamping assembly 9 is arranged on the conveying frame 17 and can move along with the conveying frame 17; when the feeding is needed, the plate is clamped on the clamping assembly 9, then the driving motor 19 is started and drives the driving screw 18 to rotate, so that the conveying frame 17 is driven to move along the guide rail 16, the plate is driven to move towards the lower die 3, and the automatic feeding is realized.

As shown in fig. 3, the clamping assembly 9 includes rotating rods 20 rotatably connected to four corners of the conveying frame 17 through a rotating shaft, the four rotating rods 20 can rotate freely, and further includes a rotating frame 21 rotatably connected to free ends of the four rotating rods 20 through a rotating shaft, the rotating frame 21 is arranged in a square frame shape, the rotating frame 21 is further rotatably connected with a clamping frame 22, a control assembly 23 for controlling the rotation of the clamping frame 22 is connected between the rotating frame 21 and the clamping frame 22, and clamping jaws 24 are slidably arranged on two sides of the clamping frame 22; the side of carriage 17, the side of dwang 20 and carriage 21 form the parallelogram, therefore the rotation of carriage 21 is more stable, and when carriage 17 drove panel and removes to lower mould 3 top, go up mould 4 punching press downwards, later the part that panel is located carriage 17 turns over upwards, at first drives carriage 21 and turns over a certain angle that upwards turns over, through the parallelogram principle of dwang 20, plays certain angle adaptability adjustment effect when panel rotates.

As shown in fig. 3 and 4, the control assembly 23 includes a fixed block 25 fixedly disposed on the rotating frame 21, a guide groove 26 is disposed on the fixed block 25, the guide groove 26 is disposed in an arc shape with a rotation center of the rotating frame 21 as a center of the circle, a guide wheel 27 is rotatably disposed on a side wall of the clamping frame 22 through a rotating shaft, the guide wheel 27 extends into the guide groove 26 and rolls in the guide groove 26, and a width of the guide groove 26 is greater than a diameter of the guide wheel 27; when the plate is bent, the plate is upwards rotated and tilted towards one end of the rotating frame 21, so that the clamping frame 22 is driven to rotate, when the clamping frame 22 rotates, the guide wheel 27 is driven to rotate along the guide groove 26, through the matching of the guide wheel 27 and the guide groove 26, and the side walls of the guide wheel 27 and the guide groove 26 are in a pressing state.

As shown in fig. 4, a rubber pad 28 is arranged on the inner wall of the guide groove 26 facing the center of the circle, the side wall of the guide wheel 27 is coated with the rubber pad 28, and the distance between the center of the guide wheel 27 and the center of the guide groove 26 is smaller than the sum of the distances between the guide wheel 27 and the guide groove 26; through set up rubber pad 28 at guide way 26 and guide wheel 27 lateral wall, increased the frictional force between guide wheel 27 and the guide way 26, and because the distance at guide wheel 27 center and guide way 26 center is less than the sum of the distance of guide wheel 27 and guide way 26, make two rubber pads 28 be in extrusion deformation state, thereby further increased the frictional force between guide wheel 27 and the guide way 26, need bigger external force when rotating holding frame 22, consequently, after the punching press is accomplished, panel downwardly rotating can reach more slow effect when reseing, thereby make panel reseed more stably.

As shown in fig. 4, a return spring 29 is connected between the holder 22 and the turret 21; when the plate is light, after the plate is stamped, in order to ensure that the plate can reset, the spring is arranged to apply pulling force to the tilting end of the plate, and the automatic reset can be realized when the light plate is stamped.

As shown in fig. 4, T-shaped grooves 30 are formed in two sides of the clamping frame 22 along the length direction thereof, a T-shaped block 31 is slidably arranged in the T-shaped grooves 30, one end of the T-shaped block 31 extending out of the T-shaped groove is fixedly connected with the clamping jaw 24, and the clamping jaw 24 is the clamping jaw 24 controlled by the clamping jaw 24 cylinder; clamping jaw 24 can realize sliding along T type groove 30, like this when carrying out the punching press with the panel centre gripping on clamping jaw 24, if panel takes place along clamping frame 22 parallel direction displacement, through clamping jaw 24 along the displacement of the realization panel that slides of T type groove 30, in addition, when the punching press was accomplished, when taking off the material subassembly and upwards pushing out panel, panel can take place the displacement for clamping frame 22, guarantees through clamping jaw 24 along the sliding of T type groove 30 that panel can take off the material smoothly. Be connected with between the lateral wall of T type piece 31 and the inner wall of T type groove 30 and draw material spring 32, like this when taking off the material, not only can play the absorbing effect of buffering, can exert outside pulling force to the panel that the punching press was accomplished moreover, improve and take off material efficiency.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a bender convenient to go up unloading which characterized in that: the device comprises a rack (7) fixed on one side of a workbench (2), wherein the rack (7) is provided with a conveying assembly (8) for driving a plate to move, and the conveying assembly (8) is provided with a clamping assembly (9) for clamping the plate; the conveying assembly (8) comprises guide rails (16) arranged on two sides of the rack (7), a conveying frame (17) arranged on the guide rails (16) in a sliding mode, and a driving lead screw (18) which is rotatably connected to the rack (7) and used for driving the conveying frame (17) to move, the rack (7) is provided with a driving motor (19) used for driving the driving lead screw (18) to rotate, and the clamping assembly (9) is arranged on the conveying frame (17); the clamping assembly (9) comprises rotating rods (20) which are rotatably connected to four corners of the conveying frame (17), a rotating frame (21) which is rotatably connected to free ends of the four rotating rods (20) and is a square frame, a clamping frame (22) which is rotatably connected to the rotating frame (21), and a control assembly (23) which is connected between the rotating frame (21) and the clamping frame (22), wherein clamping jaws (24) are arranged on two sides of the clamping frame (22) in a sliding manner; control assembly (23) are including fixed block (25) that sets up in rotating turret (21), guide way (26) have been seted up in fixed block (25), guide way (26) use the rotation center of rotating turret (21) to be the arc for the centre of a circle and set up, holding frame (22) lateral wall rotates and is provided with leading wheel (27), leading wheel (27) stretch into guide way (26) and roll along guide way (26).

2. The bending machine convenient for feeding and discharging as claimed in claim 1, wherein: the inner wall of the guide groove (26) towards the circle center is provided with a rubber pad (28), the side wall of the guide wheel (27) is coated with the rubber pad (28), and the two rubber pads (28) are in an extrusion deformation state.

3. The bending machine convenient for feeding and discharging as claimed in claim 2, wherein: and a return spring (29) is connected between the clamping frame (22) and the rotating frame (21).

4. The bending machine convenient for feeding and discharging as claimed in claim 2, wherein: t type groove (30) have been seted up to holding frame (22) both sides, T type groove (30) internal slipping is provided with T type piece (31), T type piece (31) fixed connection clamping jaw (24).

5. The bending machine convenient for feeding and discharging as claimed in claim 4, wherein: and a pulling spring (32) is connected between the side wall of the T-shaped block (31) and the inner wall of the T-shaped groove (30).