CN110732603B

CN110732603B - Material conveying device of three-dimensional rotary-cut stamping die

Info

Publication number: CN110732603B
Application number: CN201911012989.7A
Authority: CN
Inventors: 陈爱国; 陈德国; 余孝林; 邓福根; 贺际兵; 侯延兵
Original assignee: Force Technology Shenzhen Co ltd
Current assignee: Force Technology Shenzhen Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2022-04-19
Anticipated expiration: 2039-10-23
Also published as: CN110732603A

Abstract

The invention relates to a material conveying device of a three-dimensional rotary-cut stamping die, which comprises a lower template and a fixed cutter block arranged on the lower template, wherein the lower template is connected with a sliding seat in a sliding manner on one side of the fixed cutter block, the sliding seat is provided with a vertical plate and a servo cylinder, the vertical plate is connected with a sliding block moving along the height direction of the vertical plate in a sliding manner, a piston rod of the servo cylinder is connected with the sliding block, one end, away from the sliding seat, of the sliding block is rotatably connected with a swing arm through a central shaft, the swing arm is provided with an electromagnetic chuck, the central shaft is sleeved with a torsional spring, when the torsional spring is in a natural state, the swing arm is parallel to the axial line of the fixed cutter block, and the lower template is provided with a driving piece for driving the sliding seat to move and enabling the swing arm to rotate; be equipped with the bed frame on the lower bolster, the bed frame is located the axis direction of deciding the sword piece, is equipped with the thing frame of putting that is used for stacking panel on the bed frame, puts the thing frame bottom and all has seted up logical groove in the both sides of carrying on the back mutually. The invention has the effect of reducing the labor burden of the operator during long-time work.

Description

Material conveying device of three-dimensional rotary-cut stamping die

Technical Field

The invention relates to the technical field of rotary cutting dies, in particular to a material conveying device of a three-dimensional rotary cutting stamping die.

Background

Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation thereof, thereby obtaining a desired part. The stamping die is a special process equipment for processing materials into parts (or semi-finished products) in cold stamping.

Chinese patent No. CN206763739U discloses a three-dimensional rotary cutting stamping die, which includes an upper die plate and a lower die plate, a slide rail is connected below the upper die plate, a moving blade fixing plate is connected on the slide rail in a sliding manner, a moving blade block is connected on the moving blade fixing plate, a fixed blade block matched with the moving blade block is arranged on the lower die plate, two guide blocks are respectively arranged on two sides of the fixed blade block, the two guide blocks are symmetrically arranged relative to the fixed blade block, a fixed blade side protrusion is arranged on one opposite side of the two guide blocks, a height difference exists between the two fixed blade side protrusions, a moving blade side protrusion is respectively arranged on two sides of the moving blade fixing plate, and the two moving blade side protrusions are respectively matched with one fixed blade side protrusion.

However, in the process of actually processing the steel stamping part, after each stamping of the movable cutter block is finished, an operator needs to manually take down the stamped part, then place a new plate on the fixed cutter block, and continuously repeat the actions of taking and placing the material, so that the labor burden of the operator after long-time work is large.

Disclosure of Invention

The invention aims to provide a material conveying device of a three-dimensional rotary cutting stamping die, which has the advantages that: the labor burden of the operator in long-time work is reduced.

The technical purpose of the invention is realized by the following technical scheme: a feeding device of a three-dimensional rotary-cut stamping die comprises a lower die plate and a fixed cutter block arranged on the lower die plate, wherein the lower die plate is connected with a sliding seat in a sliding manner on one side of the fixed cutter block, the sliding seat is provided with a vertical plate and a servo cylinder, the vertical plate is connected with a sliding block moving along the height direction of the vertical plate in a sliding manner, a piston rod of the servo cylinder is connected with the sliding block, one end, away from the sliding seat, of the sliding block is rotatably connected with a swing arm through a central shaft, the swing arm is provided with an electromagnetic chuck, the central shaft is sleeved with a torsional spring, when the torsional spring is in a natural state, the swing arm is parallel to the axial line of the fixed cutter block, and the lower die plate is provided with a driving piece for driving the sliding seat to move and enabling the swing arm to rotate;

the lower die plate is provided with a base frame, the base frame is located in the axis direction of the fixed cutter block, the base frame is provided with a storage frame for stacking plates, the bottom end of the storage frame is provided with through grooves in the two sides of the back of the body, the length of each through groove is larger than that of each plate, and the lower die plate is provided with a pushing piece used for pushing the plates to the fixed cutter block.

By adopting the technical scheme, after the plate is stamped, the upper die plate drives the movable cutter block to ascend and separate from a part, the driving piece drives the sliding block to advance and enables the swing arm to rotate above the part, the servo cylinder starts the driving sliding block to descend, so that the electromagnetic chuck is abutted against the part, the electromagnetic chuck sucks the part, then the servo cylinder pushes the sliding block to ascend, the electromagnetic chuck drives the part to separate from the fixed cutter block, meanwhile, the driving piece drives the sliding block to move back, the swing arm rotates to an initial position under the elastic force of the torsion spring, the electromagnetic chuck loses power and demagnetizes, and the part falls; the propelling movement piece begins work, and it will put the panel of thing frame bottom and pass through the groove propelling movement to decide the sword piece on to the punching press of next time has realized the material loading of panel and the automatic discharge of part, and convenient and fast has reduced the artifical required work load of operator, thereby has alleviateed the work burden of operator after long-time repetitive work.

The invention is further configured to: the driving piece comprises a first pushing cylinder and a limiting rod, the first pushing cylinder and the limiting rod are arranged on the lower template, a piston rod of the first pushing cylinder is connected with the sliding seat, a shifting rod is arranged at one end, close to the central shaft, of the swing arm, and the limiting rod is abutted to the shifting rod.

Through adopting above-mentioned technical scheme, first top pushes away the cylinder and starts, promotes the slide and gos forward, because the driving lever is blockked by the gag lever post to make the swing arm begin to rotate, simple swift.

The invention is further configured to: and a plurality of steel balls are embedded in one side of the shifting lever, which is abutted against the limiting rod.

By adopting the technical scheme, when the shifting rod and the limiting rod move oppositely, the steel ball rolls under the action of friction force, so that the resistance between the shifting rod and the limiting rod is favorably reduced.

The invention is further configured to: the propelling movement piece pushes away the cylinder and connects the flitch on the second top pushes away the cylinder piston rod including setting up on the bed frame and being located to put the thing frame and deviate from the second top that the sword piece one side pushed away, sliding connection has two bases that are parallel to each other on the lower bolster, two all be equipped with a plurality of first drive actuating cylinders that distribute along base length direction perpendicularly on the base, the piston rod that each first drive actuating cylinder on the base passes through the guide rail and connects, the one end of guide rail extends to sword piece department surely, be equipped with two seconds on the lower bolster and drive actuating cylinder, two the piston rod that the second driven actuating cylinder respectively with two pedestal connection.

By adopting the technical scheme, the second top pushes away the cylinder and starts, drive the flitch and advance and insert logical groove, panel shifts out from another logical groove under the promotion of flitch, the flitch continues to advance afterwards, panel removes to two guide rails and slides to fixed cutter block top along the guide rail on, the first cylinder that drives starts, drive two guide rails and descend simultaneously, make panel fall on fixed cutter block, two drive the cylinder and start simultaneously, drive two bases and keep away from each other, the guide rail separates with panel, the piston rod that the first cylinder that drives promotes the guide rail and rises, the piston rod that the second drove the cylinder stimulates the base, make the guide rail shift out outside the fixed cutter block, the second top pushes away the cylinder at last and drives flitch and move back and reset, the mould can begin to carry out punching operation, and is convenient and fast.

The invention is further configured to: guide posts are vertically arranged at two ends of the base along the length direction, and the guide posts upwards penetrate through the guide rail.

Through adopting above-mentioned technical scheme, the guide pillar has played the guide effect to the removal of guide rail, has increased the stability that the guide rail removed.

The invention is further configured to: and a chamfer is arranged at one end of the guide rail close to the through groove.

By adopting the technical scheme, the chamfering reduces the possibility that the plate is blocked by the edge of the end part of the guide rail when moving to the guide rail.

The invention is further configured to: the article placing frame is connected with material blocking rods on two sides of the plate.

Through adopting above-mentioned technical scheme, the striker rod has restricted the skew of panel, has increased the regularity that panel piles up.

The invention is further configured to: two the equal sliding connection of striker rod is in putting the thing frame, two the lower extreme of striker rod all is equipped with heavy groove, heavy groove height is the same with panel thickness, it has two pneumatic cylinders, two to put thing frame in-connection the piston rod of pneumatic cylinder is connected with two striker rods respectively.

By adopting the technical scheme, the hydraulic cylinder drives the two material blocking rods to clamp the plate, and the plate at the bottom end is separated from the material blocking rods by the arranged sink grooves, so that the pressure on the plate is reduced, the resistance of the plate when the plate pushes the plate is reduced, and the smoothness and the stability of the plate when the plate moves are improved; and the distance between the two material blocking rods.

The invention is further configured to: the lower template bottom surface is equipped with the carriage that is used for supporting, the lower template has seted up the charging chute below the electromagnet, the charging chute extends to in the carriage.

By adopting the technical scheme, after the electromagnetic chuck loses magnetism, the parts fall into the bearing frame through the charging chute, and the occupation of the space on the lower template due to the accumulation of the parts is saved.

The invention is further configured to: and a belt conveyor is arranged in the bearing frame.

Through adopting above-mentioned technical scheme, the part of whereabouts falls on band conveyer, is transmitted to appointed collection position by band conveyer, has saved the required time of operator transport.

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

1. the automatic unloading of parts and the automatic loading of plates are realized through the feeding device, the workload and the required time for an operator to repeatedly take and place materials are reduced, and the labor burden of the operator in long-time work is reduced;

2. the distance between two guide rails and the distance between two material blocking rods can be freely adjusted, the application range of the material blocking device to plates with different specifications is enlarged, and the flexibility is high.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is a schematic structural diagram for embodying the vertical plate and the sliding block in this embodiment.

Fig. 3 is a schematic structural diagram for embodying the stop lever in this embodiment.

Fig. 4 is a schematic structural diagram of the pushing member according to the embodiment.

Fig. 5 is an enlarged view at a in fig. 4.

Fig. 6 is a schematic structural view for embodying the striker rod and the sink trough in the present embodiment.

In the figure, 1, a lower template; 11. a cutter fixing block; 12. a slide base; 13. a vertical plate; 14. a servo cylinder; 15. a slider; 16. a central shaft; 161. a torsion spring; 17. swinging arms; 171. an electromagnetic chuck; 172. a deflector rod; 18. a base frame; 19. a storage frame; 191. a through groove; 2. a drive member; 21. a first pushing cylinder; 22. a limiting rod; 23. steel balls; 3. a pushing member; 31. a second pushing cylinder; 32. a material plate; 33. a base; 34. a first driving cylinder; 35. a guide rail; 351. chamfering; 36. a second driving cylinder; 37. a guide post; 38. a material blocking rod; 381. sinking a groove; 39. a hydraulic cylinder; 4. a bearing frame; 41. a charging chute; 42. a belt conveyor.

Detailed Description

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

Example (b): the utility model provides a feeding device of three-dimensional rotary-cut stamping die, as shown in fig. 1, including lower bolster 1 and the stationary knife piece 11 of setting on lower bolster 1, lower bolster 1 has slide 12 at one side sliding connection of stationary knife piece 11, the moving direction of slide 12 is parallel with the axis of stationary knife piece 11, be equipped with riser 13 and the servo cylinder 14 of relative distribution on slide 12, riser 13 has along riser 13 direction of height removal's slider 15 towards one side sliding connection of servo cylinder 14, servo cylinder 14's piston rod is connected with slider 15 lateral wall.

As shown in fig. 2, the upper end of the slider 15 is rotatably connected with a swing arm 17, one end of the swing arm 17 facing the lower template 1 and far away from the slider 15 is provided with an electromagnetic chuck 171, the electromagnetic chuck 171 is in a magnetic state, and a torsion spring 161 (as shown in fig. 3) is sleeved on the central shaft 16; the bottom surface of the lower template 1 is provided with a bearing frame 4 for supporting, a belt conveyor 42 is arranged in the bearing frame 4, a charging chute 41 with one end extending into the bearing frame 4 is arranged on the lower template 1, the area of the opening of the charging chute 41 is larger than that of a part and is positioned right above the belt conveyor 42, when the torsion spring 161 is in a natural state, the swing arm 17 is parallel to the axis of the fixed cutter block 11, the electromagnetic chuck 171 is positioned above the charging chute 41, and the template is provided with a driving part 2 for driving the slide 12 to move and driving the swing arm 17 to rotate.

As shown in fig. 2 and 3, the driving member 2 includes a first pushing cylinder 21 and a limiting rod 22 disposed on the lower mold plate 1, a shifting rod 172 is vertically disposed at one end of the swing arm 17 close to the central shaft 16, a piston rod of the first pushing cylinder 21 is connected to the slide carriage 12, the limiting rod 22 is perpendicular to the lower mold plate 1, the upper end of the limiting rod 22 abuts against the shifting rod 172, a plurality of steel balls 23 are embedded at one side of the shifting rod 172 abutting against the limiting rod 22, and each steel ball 23 can roll freely.

As shown in fig. 4, the lower templates 1 are all provided with base frames 18, the base frames 18 are located in the axial direction of the fixed cutter block 11, the base frames 18 are provided with storage frames 19 for stacking plates, the opening direction of the side surfaces of the storage frames 19 is perpendicular to the axial direction of the fixed cutter block 11, two material blocking rods 38 are arranged in the storage frames 19, and the two material blocking rods 38 respectively abut against the two ends of the plates so as to improve the alignment of plate stacking; through grooves 191 are formed in the two opposite sides of the bottom end of the storage frame 19, the through grooves 191 are higher than the upper end face of the fixed cutter block 11, the length of each through groove 191 is 3-5 mm larger than that of a plate, the height of each through groove 191 is 1-2 mm larger than that of the plate, and a pushing piece 3 used for pushing the plate to the fixed cutter block 11 is arranged on the lower template 1.

As shown in fig. 5, the pushing member 3 includes a second pushing cylinder 31 (as shown in fig. 4) disposed on the base frame 18 and located on a side of the placement frame 19 away from the stationary knife block 11, a piston rod of the second pushing cylinder 31 is connected with a material plate 32, a width and a thickness of the material plate 32 are both smaller than those of the material plate, and a length of the material plate 32 is greater than a distance between the placement frame 19 and the stationary knife block 11; two bases 33 are connected to the lower template 1 in a sliding mode, the two bases 33 are parallel to each other, two second driving cylinders 36 are arranged on the lower template 1, piston rods of the two second driving cylinders 36 are connected with the two bases 33 respectively, and therefore the two bases 33 are driven to be close to or far away from each other simultaneously.

As shown in fig. 5, a plurality of first driving cylinders 34 are vertically arranged on each of the two bases 33 and are equidistantly distributed along the length direction of the base, the piston rods of the first driving cylinders 34 on the bases 33 are connected through a guide rail 35, the cross section of the guide rail 35 is L-shaped, one end of the guide rail 35 extends to the fixed cutter block 11, the other end of the guide rail 35 is close to the storage frame 19, a chamfer 351 is arranged at one end of the guide rail close to the storage frame 19, and when the two guide rails 35 are at the initial positions, the guide rails are distributed outside the fixed cutter block 11 and lower than the through grooves 191. Guide posts 37 are vertically arranged at both ends of the base 33 along the length direction, and the guide posts 37 upwardly penetrate through the guide rails 35.

The action process is as follows: in the actual processing process, the lower template 1 is connected to a workbench of a hydraulic machine, the upper template is connected with a driving element of the hydraulic machine, after stamping is finished, the upper template ascends, the movable cutter block is separated from the fixed cutter block 11, the first pushing cylinder 21 is started to push the sliding seat 12 to advance, the deflector rod 172 is forced to rotate under the blocking of the limiting rod 22, so that the swing arm 17 drives the electromagnetic chuck 171 to rotate to the position above the fixed cutter block 11, and at the moment, the torsion spring 161 is in a twisted state; the servo cylinder 14 is started, the driving slide block 15 drives the swing arm 17 to move downwards, the electromagnetic chuck 171 is abutted to the part and sucks the part, then the servo cylinder 14 drives the slide block 15 to ascend backwards, the electromagnetic chuck 171 drives the part to be separated from the movable cutter block, the first pushing cylinder 21 drives the slide seat 12 to move backwards, and the swing arm 17 gradually rotates to an initial position under the elastic force of the torsion spring 161; the electromagnetic chuck 171 loses power and magnetism, and the parts fall onto the belt conveyor 42 under the action of gravity and are conveyed to a collection point by the belt conveyor 42, so that the discharging and the collection of the parts are completed.

After the part is unloaded, the two first driving cylinders 34 are started simultaneously to push the two guide rails 35 to move upwards, so that the bottom surfaces of the guide rails 35 are flush with the bottom surfaces of the through grooves 191, then the two second driving cylinders 36 are started to push the two bases 33 to approach each other, at the moment, the two guide rails 35 are distributed on two sides above the fixed cutter block 11, one end of each guide rail 35 provided with a chamfer 351 is located at the through groove 191, the distance between the two guide rails 35 is the same as the length of a plate, the first pushing cylinder 21 is started, the driving plate 32 is inserted into the through groove 191, the plate at the bottom end of the storage frame 19 is gradually moved out from the other through groove 191 and falls on the guide rail 35 under the pushing of the plate 32, the plate 32 continues to advance, the plate is pushed to move to be right above the fixed cutter block 11 along the guide rails 35, the second pushing cylinder 31 drives the plate 32 to move back, meanwhile, the first driving cylinders 34 drive the guide rails 35 to descend, and the plate falls on the fixed cutter block 11, the second drives actuating cylinder 36 and starts, drives two bases 33 and keeps away from each other for guide rail 35 and panel separation, later first drive actuating cylinder 34 and the second drive actuating cylinder 36 action of driving, drive guide rail 35 and remove to initial position, realized the material loading of panel, convenient and fast has reduced the repeated work load of getting material and blowing of operator, has both alleviateed operator's work burden, does benefit to again and improves machining efficiency.

As shown in fig. 6, two material blocking rods 38 are all connected in the storage frame 19 in a sliding manner, two material blocking rods 38 are all provided with a sinking groove 381, two sinking grooves 381 are distributed relatively, the height of the sinking groove 381 is the same as the thickness of a plate, two hydraulic cylinders 39 are connected in the storage frame 19, piston rods of the two hydraulic cylinders 39 are respectively connected with the two material blocking rods 38, two material blocking rods 38 clamp the plate under the pushing of the hydraulic cylinders 39, the pressure on the plate at the bottom end of the storage frame 19 is reduced, the plate can be moved conveniently, after the plate is pushed out, the hydraulic cylinders 39 drive the material blocking plates 32 to move back, the plate falls in sequence, and then is clamped again.

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 three-dimensional rotary-cut stamping die's feeding device, includes lower bolster (1) and stationary knife piece (11) of setting on lower bolster (1), its characterized in that: the lower die plate (1) is provided with a sliding seat (12) in sliding connection with one side of a fixed cutter block (11), the sliding seat (12) is provided with a vertical plate (13) and a servo cylinder (14), the vertical plate (13) is connected with a sliding block (15) which moves along the height direction of the vertical plate (13) in a sliding manner, a piston rod of the servo cylinder (14) is connected with the sliding block (15), one end, far away from the sliding seat (12), of the sliding block (15) is rotatably connected with a swing arm (17) through a central shaft (16), an electromagnetic chuck (171) is arranged on the swing arm (17), the central shaft (16) is sleeved with a torsion spring (161), when the torsion spring (161) is in a natural state, the swing arm (17) is parallel to the axis of the fixed cutter block (11), and a driving piece (2) which is used for driving the sliding seat (12) to move and enabling the swing arm (17) to rotate is arranged on the lower die plate (1);

be equipped with bed frame (18) on lower bolster (1), bed frame (18) are located the axis direction of deciding sword piece (11), be equipped with on bed frame (18) and be used for stacking putting thing frame (19) of panel, put thing frame (19) bottom and all seted up logical groove (191) in the both sides of carrying on the back mutually, it is greater than panel length to lead to groove (191) length, be equipped with on lower bolster (1) and be used for pushing member (3) on panel propelling movement to deciding sword piece (11).

2. The feeding device of the three-dimensional rotary-cut stamping die according to claim 1, characterized in that: the driving piece (2) comprises a first pushing cylinder (21) and a limiting rod (22) which are arranged on the lower template (1), a piston rod of the first pushing cylinder (21) is connected with the sliding seat (12), a shifting rod (172) is arranged at one end, close to the central shaft (16), of the swing arm (17), and the limiting rod (22) is abutted to the shifting rod (172).

3. The feeding device of the three-dimensional rotary-cut stamping die according to claim 2, characterized in that: and a plurality of steel balls (23) are embedded in one side of the shifting lever (172) abutting against the limiting rod (22).

4. The feeding device of the three-dimensional rotary-cut stamping die according to claim 1, characterized in that: push member (3) are including setting up on bed frame (18) and being located to put second top that thing frame (19) deviates from stationary knife piece (11) one side and connecting flitch (32) on second top pushes away cylinder (31) piston rod, sliding connection has two bases (33) that are parallel to each other on lower bolster (1), two all be equipped with a plurality of first drive actuating cylinders (34) that distribute along base (33) length direction on base (33) perpendicularly, the piston rod that each first drive actuating cylinder (34) on base (33) passes through guide rail (35) and connects, the one end of guide rail (35) extends to stationary knife piece (11) department, be equipped with two second on lower bolster (1) and drive actuating cylinder (36), two the piston rod that the second drove actuating cylinder (36) is connected with two bases (33) respectively.

5. The feeding device of the three-dimensional rotary-cut stamping die according to claim 4, characterized in that: guide posts (37) are vertically arranged at two ends of the base (33) along the length direction, and the guide posts (37) upwards penetrate through the guide rails (35).

6. The feeding device of the three-dimensional rotary-cut stamping die according to claim 5, characterized in that: and a chamfer (351) is arranged at one end of the guide rail (35) close to the through groove (191).

7. The feeding device of the three-dimensional rotary-cut stamping die according to claim 6, characterized in that: the storage frame (19) is connected with material blocking rods (38) on two sides of the plate.

8. The feeding device of the three-dimensional rotary-cut stamping die according to claim 7, characterized in that: two equal sliding connection of striker rod (38) is in putting thing frame (19), two the lower extreme of striker rod (38) all is equipped with heavy groove (381), heavy groove (381) height is the same with plate thickness, it has two pneumatic cylinders (39), two to put thing frame (19) in-connection the piston rod of pneumatic cylinder (39) is connected with two striker rods (38) respectively.

9. The feeding device of the three-dimensional rotary-cut stamping die according to claim 1, characterized in that: the bottom surface of the lower template (1) is provided with a bearing frame (4) for supporting, a blanking groove (41) is formed in the lower template (1) below the electromagnetic chuck (171), and the blanking groove (41) extends into the bearing frame (4).

10. The feeding device of the three-dimensional rotary-cut stamping die according to claim 9, characterized in that: a belt conveyor (42) is arranged in the bearing frame (4).