CN113145761A - Automatic demolding device of punching machine and working method - Google Patents

Abstract

The invention provides an automatic demoulding device of a punching machine and a working method thereof, which comprises a demoulding assembly, a mould taking assembly and a placing platform assembly, wherein the demoulding assembly, the mould taking assembly and the placing platform assembly are added on the existing punching machine, after a workpiece is punched by the punching machine, a stamping part is blown loose by the demoulding assembly, so that the adhered stamping part is separated from a lower die, the loose stamping part is taken out from the lower die by the mould taking assembly and placed on the placing platform assembly, the height of the placing platform assembly is automatically adjusted by the placing platform assembly, so that the stamping part is convenient to accommodate, and the problems that the workload of operators is increased, the deformation damage of the stamping part and the damage of the punching machine die are easily caused in the taking-out process are solved.

Description

Automatic demolding device of punching machine and working method

Technical Field

The invention relates to the technical field of demoulding equipment of a punching machine, in particular to an automatic demoulding device of the punching machine and a working method.

Background

The stamping workpiece is accomplishing the back with the work piece punching press through last mould and bed die, the work piece is because the pressure that receives is great, after the stamping workpiece shaping, the stamping workpiece is located the inside of bed die, need the manual work to take out the stamping workpiece from the bed die, but the bonding force of stamping workpiece and bed die is great, operating personnel need use the instrument to beat the stamping workpiece and the bed die makes the stamping workpiece pine take off the back and take out the stamping workpiece after and place on the platform, whole process of taking out needs manual operation, operating personnel's work load has not only been increased, there is certain potential safety hazard and still can cause the deformation damage of stamping workpiece and the damage of punching machine mould easily simultaneously.

Disclosure of Invention

The embodiment of the invention provides an automatic demoulding device of a punching machine and a working method, wherein a demoulding assembly, a mould taking assembly and a placing platform assembly are additionally arranged on the existing punching machine, after a workpiece is punched by the punching machine, a punching part is blown loose by the demoulding assembly, the adhered punching part is separated from a lower die, the loose punching part is taken out from the lower die by the mould taking assembly and is placed on the placing platform assembly, the placing platform assembly automatically adjusts the height of the placing platform assembly to be convenient for accommodating the punching part, the problems that an operator needs to manually operate in the existing punching part taking-out process, the workload of the operator is increased, and the deformation damage of the punching part and the damage of a punching machine die are easily caused in the taking-out process are solved.

In view of the above problems, the technical solution proposed by the present invention is:

an automatic demoulding device of a punching machine comprises the punching machine, wherein the punching machine comprises a lower die, a base and a controller, a first through hole is formed in the top of the lower die, a second through hole is formed in the top of the base, and the first through hole is communicated with the second through hole;

further comprising:

the demolding assembly comprises a jacking device and an inflating device;

the jacking device is arranged on one side inside the base, the outer wall of the jacking device is in contact with the inner walls of the first through hole and the second through hole respectively, the inflating device is arranged on the other side inside the base, the inflating device and the first through hole form a communicating state, and the inflating device penetrates through one side of the base and forms a communicating state with the outside;

the mould taking assembly comprises a first fixed seat, an upright post, a fixed plate, a linear sliding table, a first driving motor, a sucker device, a vacuum pump, a connecting pipe, a distance sensor, a push-pull plate and a cylinder;

wherein the first fixed seat is arranged at one side of the base, the upright post is arranged at the top of the first fixed seat, the fixed plate is arranged at one side of the upright post, the linear sliding table is arranged at the bottom of the fixed plate, the first driving motor is arranged on one side of the linear sliding table, the output end of the first driving motor is connected with the transmission end of the linear sliding table, the push-pull plate is arranged at the bottom of the linear sliding table and is connected with the sliding block of the linear sliding table, the cylinder is arranged inside the push-pull plate, the output end of the cylinder is connected with the top of the sucker device, the vacuum pump is arranged on the tops of the upright post and the fixed plate, one end of the connecting pipe is communicated with an air inlet of the vacuum pump, the other end of the connecting pipe is communicated with the sucker device, and the distance sensor is arranged at the bottom of the sucker device;

the device comprises a placing platform assembly, a positioning mechanism and a positioning mechanism, wherein the placing platform assembly comprises a second fixed seat, a supporting plate, a sliding device, a cross bracket, a first connecting block, a second driving motor, a screw rod, a storage platform and a rotating shaft;

wherein the second fixing seat is arranged on one side of the base close to the first fixing seat, the first fixing seat is in contact with the second fixing seat, the support plate is arranged on one side of the top of the second fixing seat, a cross sliding groove is formed in one side of the second fixing seat, the sliding device is arranged in the cross sliding groove, one side of the bottom of the cross bracket is rotatably connected with the top of the sliding device, one side of the bottom of the cross bracket is rotatably connected with the support plate through a rotating shaft, the first connecting block is arranged on one side of the inside of the cross bracket close to the sliding device, the second connecting block is arranged on one side of the top of the second fixing seat close to the rotating shaft, the second driving motor is arranged on one side of the top of the second fixing seat close to the first connecting block, and one end of the screw rod is connected with the output end of the second driving motor, the other end of the screw rod sequentially penetrates through the first connecting block and the second connecting block, the screw rod is in threaded connection with the first connecting block, and the screw rod is rotatably connected with the second connecting block.

Further, the jacking device comprises a jacking block, a hydraulic cylinder and a push rod, the hydraulic cylinder is installed on the top of the inner wall of the base, one end of the push rod is fixedly connected with the output end of the hydraulic cylinder, the other end of the push rod penetrates through the second through hole from bottom to top and extends to the inside of the first through hole, and the jacking block is installed on the top of the push rod.

Further, first through-hole is round platform shape hole, the shape of kicking block with the shape looks adaptation of first through-hole, the punching machine is at the punching press in-process, the top of kicking block with the top of bed die flushes, the kicking block is used for making first through-hole is in the closed condition and with any kind of in the external intercommunication state.

Further, aerating device includes first solenoid valve, air compressor machine, intake pipe and outlet duct, the air compressor machine install in the inner wall bottom of base, the one end of intake pipe with the air inlet intercommunication of air compressor machine, the other end of intake pipe link up base and external intercommunication, the one end of outlet duct with the gas outlet intercommunication of air compressor machine, the other end of outlet duct link up from bottom to top in proper order the base with the bed die with first through-hole intercommunication, first solenoid valve install in the outlet duct is close to the one end of air compressor machine.

Further, the sucking disc device includes sucking disc seat, gas collecting channel, sucking disc and second solenoid valve, the top of gas collecting channel with the output of cylinder is connected, the sucking disc seat install in the bottom of gas collecting channel, the sucking disc install in the bottom of sucking disc seat, just the gas outlet of sucking disc seat with the inside intercommunication of gas collecting channel, the inside of gas collecting channel is bowl form structure, the opening orientation of gas collecting channel the top of sucking disc seat, the second solenoid valve set up in top one side of gas collecting channel, just second solenoid valve and gas collecting channel intercommunication, the other end of connecting pipe with the top opposite side intercommunication of gas collecting channel.

Further, slider includes guide block, connecting seat, roller bearing and sealing plug, the connecting seat install in the surface of guide block, the guide block with the connecting seat set up respectively in the inside of cross spout, the ring channel has been seted up on the surface of connecting seat, the roller bearing set up in the inside of ring channel and with the connecting seat rotates to be connected, the inside of connecting seat is provided with the intermediate layer, the sealing plug set up in the top of connecting seat, and with connecting seat threaded connection, a word recess has been seted up at the top of sealing plug, the sealing plug is used for opening and closing this intermediate layer.

Furthermore, a through hole is formed in the connecting seat, the through hole is used for communicating an interlayer arranged in the connecting seat with the annular groove formed in the surface of the connecting seat, and sponge is filled in the through hole.

Furthermore, the interlayer arranged in the connecting seat is used for filling lubricating oil.

Furthermore, the signal input end of the controller is in communication connection with the signal output end of the distance sensor, and the signal output end of the controller is in communication connection with the signal input ends of the first electromagnetic valve, the second electromagnetic valve, the first driving motor, the second driving motor, the vacuum pump, the air compressor, the hydraulic cylinder and the air cylinder respectively.

The working method of the automatic demoulding device of the punching machine comprises the following steps:

s1, inflating the die, starting the air compressor, sucking air by the air compressor through the air inlet pipe, compressing and storing, controlling the hydraulic cylinder to retract by the controller, driving the ejector block to move downwards by the hydraulic cylinder through the push rod, controlling the first electromagnetic valve to open by the controller, and ejecting compressed air stored in the air compressor from the first through hole through the air outlet pipe to enable an air layer to be formed between the stamping part and the lower die so as to enable the stamping part and the lower die to be separated;

s2, taking out a stamping part, controlling a first driving motor to rotate clockwise by a controller, driving a linear sliding table to drive a sucker device to move towards the direction of a lower die through a push-pull plate by the first driving motor, controlling an air cylinder to extend out and starting a vacuum pump after the sucker device moves above the lower die, driving the sucker device to move downwards to be attached to the stamping part by the air cylinder, vacuumizing the inside of the sucker device by the vacuum pump through a connecting pipe to adsorb the stamping part, controlling the first driving motor to rotate anticlockwise by the controller, driving the linear sliding table to drive the sucker device to move away from the lower die through the push-pull plate, controlling the vacuum pump to close by the controller after the sucker device moves above a storage platform, opening a second electromagnetic valve, communicating the sucker device with the outside, and placing the stamping part on the storage platform after the sucker device sucks air;

s3, the stamping workpiece is collected, distance sensor detects the distance of sucking disc device and under platform in real time, the sucking disc device is after having placed the stamping workpiece, the distance that distance sensor sensed shortens, controller control second driving motor counter-clockwise turning, second driving motor passes through the lead screw and drives first link block towards the direction motion of keeping away from the punching machine, cross brace shrink downwards, platform horizontal position 'S height reduces, after distance sensor detects sucking disc device and under platform' S distance and reachs the default, controller control second driving motor closes.

Compared with the prior art, the invention has the beneficial effects that:

1. through increasing drawing of patterns subassembly on current punching machine, after the work piece is accomplished in the punching machine punching press, blow the stamping workpiece loose through drawing of patterns subassembly, make the stamping workpiece and the bed die separation of adhesion, do not make its pine take off through the effect of mechanical force with the bed die separation at the stamping workpiece that makes the adhesion, avoid causing the damage to stamping workpiece and mould, solved the problem that the deformation damage and the punching machine mould of the stamping workpiece were caused easily in the process of taking out that present stamping workpiece exists.

2. Get the mould subassembly, get the mould subassembly and take out and place the platform subassembly with not hard up stamping workpiece from the bed die on, whole process need not manually, has solved the operating personnel that present stamping workpiece exists and has needed manually operation in the process of taking out, has increased the problem of operating personnel's work load.

3. The stamping workpiece is highly convenient to place at the in-process automatic adjustment place platform subassembly of placing the stamping workpiece, avoids needing artifical transport, has solved the problem that the operating personnel who exists takes out the in-process of present stamping workpiece needs manual operation, has increased operating personnel's work load.

The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.

Drawings

Fig. 1 is a schematic perspective view of an automatic demolding device of a punching machine according to an embodiment of the invention;

FIG. 2 is a schematic view of a punch press shown in partial section according to an embodiment of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is a schematic perspective view of a mold removal assembly and a placement platform assembly according to an embodiment of the present invention;

FIG. 5 is a schematic perspective view of another perspective view of the module removing assembly and the platform assembly according to the embodiment of the present invention;

FIG. 6 is a schematic perspective view of a placement platform assembly according to an embodiment of the disclosure;

fig. 7 is a schematic perspective view of a sliding device according to an embodiment of the present invention;

FIG. 8 is an enlarged view of the structure at A in FIG. 7;

FIG. 9 is a schematic view of an exemplary embodiment of a suction cup device and a push-pull plate;

fig. 10 is a communication block diagram of an automatic demolding device of a punching machine according to an embodiment of the disclosure;

fig. 11 is a schematic flow chart of a working method of an automatic demolding device of a punching machine, which is disclosed by the embodiment of the invention.

Reference numerals: 100. a punch press; 101. a lower die; 10101. a first through hole; 102. a base; 10201. a second through hole; 103. a controller; 200. a demolding component; 201. a jacking device; 20101. a top block; 20102. a hydraulic cylinder; 20103. a push rod; 202. an inflator; 20201. a first solenoid valve; 20202. an air compressor; 20203. an air inlet pipe; 20204. an air outlet pipe; 300. taking a mold component; 301. a first fixed seat; 302. a column; 303. a fixing plate; 304. a linear sliding table; 305. a first drive motor; 306. a suction cup device; 30601. a sucker seat; 30602. a gas-collecting hood; 30603. a suction cup; 30604. a second solenoid valve; 307. a vacuum pump; 308. a connecting pipe; 309. a distance sensor; 3010. a push-pull plate; 3011. a cylinder; 400. placing the platform assembly; 401. a second fixed seat; 40101. a cross-shaped chute; 402. a support plate; 403. a sliding device; 40301. a guide block; 40302. a connecting seat; 4030201, an annular groove; 40303. a roller; 40304. a sealing plug; 4030401, a straight groove; 404. a cross-brace; 405. a first connection block; 406. a second connecting block; 407. a second drive motor; 408. a screw rod; 409. a placement platform; 4010. a rotating shaft.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 10, an automatic demolding device of a punch 100 includes a punch 100, the punch 100 includes a lower mold 101, a base 102 and a controller 103, a first through hole 10101 is opened on the top of the lower mold 101, a second through hole 10201 is opened on the top of the base 102, the first through hole 10101 is communicated with the second through hole 10201, and the automatic demolding device further includes: a stripper assembly 200, a take-off assembly 300, and a placement platform assembly 400.

Referring to fig. 2-3, in the embodiment of the present invention, the demolding assembly 200 includes a jacking device 201 and an inflating device 202, the jacking device 201 is disposed at one side of the interior of the base 102, an outer wall of the jacking device 201 is in contact with inner walls of the first through hole 10101 and the second through hole 10201, the inflating device 202 is disposed at the other side of the interior of the base 102, the inflating device 202 and the first through hole 10101 are in communication, the inflating device 202 penetrates through one side of the base 102 to be in communication with the outside for flushing air from the outside, the jacking device 201 includes a jacking block 20101, a hydraulic cylinder 20102 and a push rod 20103, the hydraulic cylinder 20102 is mounted on the top of the inner wall of the base 102, one end of the push rod 20103 is fixedly connected to an output end of the hydraulic cylinder 20102, the other end of the push rod 20103 penetrates through the second through hole 10201 from bottom to top and extends into the interior of the first through hole 10101, an outer wall of the push, the top block 20101 is mounted at the top of the push rod 20103, the first through hole 10101 is a circular truncated cone-shaped hole, the shape of the top block 20101 is matched with the shape of the first through hole 10101, the top of the top block 20101 is completely matched with the top of the first through hole 10101, in the stamping process of the stamping machine 100, the top of the top block 20101 is flush with the top of the lower die 101 to prevent the stamping part from being extruded into the first through hole 10101 to cause damage to the stamping part, the top block 20101 is used for enabling the first through hole 10101 to be in any one of a closed state and a state communicated with the outside, the inflation device 202 comprises a first electromagnetic valve 20201, an air compressor 20202, an air inlet pipe 20203 and an air outlet pipe 20204, the air compressor 20202 is mounted at the bottom of the inner wall of the base 102, one end of the air inlet pipe 20203 is communicated with the outside through the base 102, one end of the air outlet pipe 20204 is communicated with the air outlet of the air compressor 20202, the other end of the base 102 and the lower die 101 are communicated with the first through hole 10101 from bottom to top in turn, the first electromagnetic valve 20201 is arranged at one end of the air outlet pipe 20204 close to the air compressor 20202;

specifically, the controller 103 controls the air compressor 20202 to start, the air compressor 20202 sucks air through the air inlet pipe 20203 and compresses and stores the air, after the upper die and the lower die 101 punch out the workpiece, the controller 103 controls the hydraulic cylinder 20102 to retract, the hydraulic cylinder 20102 drives the top block 20101 to move downwards through the push rod 20103, the controller 103 controls the first electromagnetic valve 20201 to open, compressed air stored in the air compressor 20202 is sprayed out from the first through hole 10101 through the air outlet pipe 20204 to form an air layer between the stamping part and the lower die 101, so that the stamping part and the lower die 101 are blown away, and the stamping part adhered to the lower die 101 is separated from the lower die 101, the separation of the stamping part and the lower die 101 which are adhered together is not loosened through the action of mechanical force, so that the stamping part and the die are prevented from being damaged, and the problems that the deformation and the damage of the stamping part and the damage of the die of the stamping machine 100 are easily caused in the taking-out process existing in the taking-out process of the existing stamping part are solved.

Referring to fig. 1, 4-5 and 9, in an embodiment of the present invention, a mold removing assembly 300 includes a first fixed base 301, a vertical column 302, a fixed plate 303, a linear sliding table 304, a first driving motor 305, a suction cup device 306, a vacuum pump 307, a connecting pipe 308, a distance sensor 309, a push-pull plate 3010 and an air cylinder 3011, the first fixed base 301 is disposed on one side of the base 102, the vertical column 302 is mounted on a top portion of the first fixed base 301, the fixed plate 303 is mounted on one side of the vertical column 302, the linear sliding table 304 is mounted on a bottom portion of the fixed plate 303, the first driving motor 305 is mounted on one side of the linear sliding table 304, an output end of the first driving motor 305 is connected to a driving end of the linear sliding table 304 for driving the linear sliding table 304 to move, the push-pull plate 3010 is mounted on a bottom portion of the linear sliding table 304 for driving the suction cup device 306 to move, the push-pull plate 3010 is connected to a slider of the linear sliding table 304, the air cylinder 3011 is disposed inside the push-pull plate 3010, the moving distance of the sucker device 306 is prolonged, the output end of the air cylinder 3011 is connected with the top of the sucker device 306 and used for pushing the sucker device 306 to move, the vacuum pump 307 is installed on the tops of the upright post 302 and the fixing plate 303, one end of the connecting pipe 308 is communicated with the air inlet of the vacuum pump 307, the other end of the connecting pipe 308 is communicated with the sucker device 306, the connecting pipe 308 is a high-pressure spring pipe, the distance sensor 309 is arranged at the bottom of the sucker device 306 and used for detecting the distance between the sucker device 306 and the storage platform 409 under the sucker device 306, the sucker device 306 comprises a sucker base 30601, a gas collecting hood 30602, a sucker 30603 and a second electromagnetic valve 30604, the top of the gas collecting hood 30602 is connected with the output end of the air cylinder 3011, the sucker base 30601 is installed at the bottom of the gas collecting hood 30602, the sucker 03 is installed at the bottom of the sucker base 30601, the air outlet of the sucker base 30601 is communicated with the inside of the gas collecting hood 30602, the inside is of the bowl-shaped structure, the opening of the gas collecting hood 30602 faces the top of the sucker base 30601, the second electromagnetic valve 30604 is arranged on one side of the top of the gas collecting hood 30602, the second electromagnetic valve 30604 is communicated with the gas collecting hood 30602, and the other end of the connecting pipe 308 is communicated with the other side of the top of the gas collecting hood 30602;

specifically, after the stamping part is separated from the lower die 101, the controller 103 controls the first driving motor 305 to rotate clockwise, the first driving motor 305 drives the linear sliding table 304 to drive the sucker device 306 to move towards the lower die 101 through the push-pull plate 3010, after the sucker device 306 moves above the lower die 101, the controller 103 controls the air cylinder 3011 to extend out and the vacuum pump 307 to start, the air cylinder 3011 pushes the sucker device 306 to move downwards, a sucker 30603 arranged in the sucker device 306 is attached to the stamping part, the vacuum pump 307 pumps out air in the air collecting channel 30602 through the connecting pipe 308 to enable the interior of the air collecting channel 30602 to be in a vacuum state, the sucker 30603 is attached to the stamping part to adsorb the stamping part, the controller 103 controls the first driving motor 305 to rotate counterclockwise, the first driving motor 305 drives the linear sliding table 304 to drive the sucker device 306 to move towards a direction away from the lower die 101 through the push-pull plate 3010, and after the sucker device 306 moves above the object placing platform 409, the controller 103 controls the vacuum pump 307 to be closed, the second electromagnetic valve 30604 is opened, the inside of the gas collecting hood 30602 is communicated with the outside, outside air enters the inside of the gas collecting hood 30602, the suction cup 30603 loses a vacuum environment, the adsorption force on the stamping part is lost, the stamping part is placed on the storage platform 409, the whole process is not required to be operated manually, and the problem that the workload of operators is increased due to the fact that operators need to operate manually in the existing stamping part taking-out process is solved.

Referring to fig. 1 and 4-8, in the embodiment of the present invention, the placement platform assembly 400 includes a second fixing base 401, a supporting plate 402, a sliding device 403, a cross bracket 404, a first connecting block 405, a second connecting block 406, a second driving motor 407, a screw 408, a placement platform 409, and a rotating shaft 4010, the second fixing base 401 is disposed on a side of the base 102 close to the first fixing base 301, the first fixing base 301 contacts the second fixing base 401, the supporting plate 402 is mounted on a side of a top of the second fixing base 401, a cross sliding slot 40101 is formed on a side of the second fixing base 401, the sliding device 403 is disposed inside the cross sliding slot 40101, a side of a bottom of the cross bracket 404 is rotatably connected to the top of the sliding device 403, a side of the bottom of the cross bracket 404 is rotatably connected to the supporting plate 402 through the rotating shaft 4010, the first connecting block 405 is mounted inside the cross bracket 404 close to the side of the sliding device 403, the second connecting block 406 is mounted on one side, close to the rotating shaft 4010, of the top of the second fixed seat 401, the second driving motor 407 is mounted on one side, close to the first connecting block 405, of the top of the second fixed seat 401, one end of the screw rod 408 is connected with the output end of the second driving motor 407, the other end of the screw rod 408 penetrates through the first connecting block 405 and the second connecting block 406 in sequence, the screw rod 408 is in threaded connection with the first connecting block 405, and the screw rod 408 is in rotational connection with the second connecting block 406;

specifically, the distance sensor 309 detects the distance between the suction cup device 306 and the directly-below placing platform 409 in real time, after the stamping part is placed on the suction cup device 306, the distance sensed by the distance sensor 309 is shortened, the controller 103 controls the second driving motor 407 to rotate anticlockwise, the second driving motor 407 drives the first connecting block 405 to move in the direction away from the stamping machine 100 through the lead screw 408, the cross bracket 404 contracts downwards, the horizontal position of the placing platform 409 is reduced, after the distance sensor 309 detects that the distance between the suction cup device 306 and the directly-below placing platform 409 reaches a preset value, the controller 103 controls the second driving motor 407 to close, the placing platform assembly 400 automatically adjusts the height of the placing platform assembly 400 in the process of placing the stamping part so as to place the stamping part conveniently, manual carrying is avoided, and the problem that an operator needs to manually operate in the process of taking out the stamping part at present is solved, increasing the workload of the operator.

The embodiment of the invention is also realized by the following technical scheme.

Referring to fig. 6-8, in the embodiment of the present invention, the sliding device 403 includes a guide block 40301, a connection seat 40302, a roller 40303, and a sealing plug 40304, the connection seat 40302 is mounted on a surface of the guide block 40301, the guide block 40301 and the connection seat 40302 are respectively disposed inside the cross sliding slot 40101, the guide block 40301 is used to cooperate with the cross sliding slot 40101 to limit a moving direction of the cross bracket 404, so that a moving process of the cross bracket 404 is more stable, an annular groove 4030201 is formed on a surface of the connection seat 40302, the roller 40303 is disposed inside the annular groove 4030201 and rotatably connected to the connection seat 40302, the sliding device 403 contacts an inner wall of the cross sliding slot 40101 through the roller 40303 during a sliding process inside the cross sliding slot 40101, so as to reduce a friction force of the sliding device 403 moving inside the cross sliding slot 40101, facilitate movement of the cross sliding bracket 404, so that a process of changing a height of the storage platform 409 is more stable, and wear of the sliding device 403 is also reduced, an interlayer is arranged inside the connecting seat 40302, the sealing plug 40304 is arranged at the top of the connecting seat 40302 and is in threaded connection with the connecting seat 40302, a straight groove 4030401 is formed in the top of the sealing plug 40304, the sealing plug 40304 is used for opening and closing the interlayer, a through hole is formed inside the connecting seat 40302 and is used for communicating the interlayer arranged inside the connecting seat 40302 with an annular groove 4030201 formed in the surface of the connecting seat 40302, a sponge is filled in the through hole, the interlayer arranged inside the connecting seat 40302 is used for filling lubricating oil, the lubricating oil is injected into the interlayer after the sealing plug 40304 is taken out by matching the straight screwdriver with the straight groove 4030401, a sealing and restoring position is formed after the injection is completed, the lubricating oil injected into the interlayer penetrates into the annular groove 4030201 through the sponge to lubricate the roller 40303 and the cross sliding groove 40101, and further reduce the friction force of the sliding device 403 inside the cross sliding groove 40101, the cross brace 404 is easily moved, thereby making the process of changing the height of the placement platform 409 more stable.

Referring to fig. 1-11, a signal input of the controller 103 is communicatively coupled to a signal output of the distance sensor 309, and signal outputs of the controller 103 are communicatively coupled to signal inputs of the first electromagnetic valve 20201, the second electromagnetic valve 30604, the first drive motor 305, the second drive motor 407, the vacuum pump 307, the air compressor 20202, the hydraulic cylinder 20102, and the air cylinder 3011, respectively.

Referring to fig. 1 to 11, the present invention also provides a method of operating an automatic demolding device of a press 100, including the steps of:

s1, inflating the die, starting an air compressor 20202, sucking air into the air compressor 20202 through an air inlet pipe 20203 and compressing the air for storage, retracting the hydraulic cylinder 20102 under the control of the controller 103, driving the top block 20101 to move downwards by the hydraulic cylinder 20102 through a push rod 20103, opening the first electromagnetic valve 20201 under the control of the controller 103, and ejecting compressed air stored in the air compressor 20202 from the first through hole 10101 through an air outlet pipe 20204 to enable an air layer to be formed between the stamping part and the lower die 101 so as to enable the stamping part and the lower die 101 to be separated;

s2, taking out the stamping part, controlling the first driving motor 305 to rotate clockwise by the controller 103, driving the linear sliding table 304 to drive the sucker device 306 to move towards the lower die 101 through the push-pull plate 3010 by the first driving motor 305, controlling the air cylinder 3011 to extend and the vacuum pump 307 to start after the sucker device 306 moves above the lower die 101, driving the sucker device 306 to move downwards to be attached to the stamping part by the air cylinder 3011, vacuumizing the inside of the sucker device 306 through the connecting pipe 308 by the vacuum pump 307 to suck the stamping part, controlling the first driving motor 305 to rotate anticlockwise by the controller 103, driving the linear sliding table 304 to drive the sucker device 306 to move away from the lower die 101 through the push-pull plate 3010 by the first driving motor 305, controlling the vacuum pump 307 to close after the sucker device 306 moves above the placing platform 409, controlling the vacuum pump 307 to open the second electromagnetic valve 30604, communicating the sucker device 306 with the outside, after sucking air by the sucking disc device 306, placing the stamping part on the placing platform 409;

s3, collecting the stamping parts, detecting the distance between the suction cup device 306 and the storage platform 409 right below in real time by the distance sensor 309, after the stamping parts are placed on the suction cup device 306, the distance sensed by the distance sensor 309 is shortened, the controller 103 controls the second driving motor 407 to rotate counterclockwise, the second driving motor 407 drives the first connecting block 405 to move in the direction away from the stamping machine 100 through the lead screw 408, the cross bracket 404 contracts downward, the horizontal position of the storage platform 409 is reduced, detecting the distance between the suction cup device 306 and the storage platform 409 right below by the distance sensor 309, and the controller 103 controls the second driving motor 407 to close.

Specifically, the controller 103 controls the air compressor 20202 to start, the air compressor 20202 sucks air through the air inlet pipe 20203 and compresses the air for storage, after the upper die and the lower die 101 punch out a workpiece, the controller 103 controls the hydraulic cylinder 20102 to retract, the hydraulic cylinder 20102 drives the top block 20101 to move downwards through the push rod 20103, the controller 103 controls the first electromagnetic valve 20201 to open, compressed air stored in the air compressor 20202 is ejected out from the first through hole 10101 through the air outlet pipe 20204 to form an air layer between the stamping part and the lower die 101 so as to blow the stamping part and the lower die 101 apart, the controller 103 controls the first driving motor 305 to rotate clockwise, the first driving motor 305 drives the linear sliding table 304 to drive the suction cup device 306 to move towards the lower die 101 through the push-pull plate 3010, after the suction cup device 306 moves above the lower die 101, the controller 103 controls the air cylinder 3011 to extend and the vacuum pump 307 to start, the air cylinder 3011 pushes the suction cup device 306 to move downwards to fit with the stamping part, the vacuum pump 307 vacuumizes the inside of the suction cup device 306 through the connecting pipe 308 to suck the stamping part, the controller 103 controls the first driving motor 305 to rotate anticlockwise, the first driving motor 305 drives the linear sliding table 304 to drive the suction cup device 306 to move in the direction away from the lower die 101 through the push-pull plate 3010, after the suction cup device 306 moves above the object placing platform 409, the controller 103 controls the vacuum pump 307 to be closed, the second electromagnetic valve 30604 is opened, the suction cup device 306 is communicated with the outside, the stamping part is placed on the object placing platform 409 after the suction cup device 306 sucks air, the distance between the suction cup device 306 and the object placing platform 409 below is detected by the distance sensor 309 in real time, after the stamping part is placed on the suction cup device 306, the distance sensed by the distance sensor 309 is shortened, the controller 103 controls the second driving motor to rotate anticlockwise, the second driving motor drives the first connecting block 405 to move in the direction away from the stamping machine 407 through the lead screw 408, the cross bracket 404 contracts downwards, the height of the horizontal position of the storage platform 409 is reduced, after the distance sensor 309 detects that the distance between the sucker device 306 and the storage platform 409 under the sucker device reaches a preset value, the controller 103 controls the second driving motor 407 to be turned off, and the problems that operators need to operate manually in the existing stamping part taking-out process, the workload of the operators is increased, and the stamping part is easily deformed and damaged in the taking-out process and the die of the stamping machine 100 is damaged are solved.

It should be noted that the specific model specifications of the controller 103, the distance sensor 309, the first electromagnetic valve 20201, the second electromagnetic valve 30604, the first driving motor 305, the second driving motor 407, the vacuum pump 307, the air compressor 20202, the hydraulic cylinder 20102 and the air cylinder 3011 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, and therefore, detailed description is omitted.

The power supply and the principle of the controller 103, the distance sensor 309, the first electromagnetic valve 20201, the second electromagnetic valve 30604, the first driving motor 305, the second driving motor 407, the vacuum pump 307, the air compressor 20202, the hydraulic cylinder 20102 and the air cylinder 3011 are clear to those skilled in the art and will not be described in detail herein.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. An automatic demoulding device of a punching machine comprises the punching machine, wherein the punching machine comprises a lower die, a base and a controller, and is characterized in that a first through hole is formed in the top of the lower die, a second through hole is formed in the top of the base, and the first through hole is communicated with the second through hole;

further comprising:

the demolding assembly comprises a jacking device and an inflating device;

the jacking device is arranged on one side inside the base, the outer wall of the jacking device is in contact with the inner walls of the first through hole and the second through hole respectively, the inflating device is arranged on the other side inside the base, the inflating device and the first through hole form a communicating state, and the inflating device penetrates through one side of the base and forms a communicating state with the outside;

the mould taking assembly comprises a first fixed seat, an upright post, a fixed plate, a linear sliding table, a first driving motor, a sucker device, a vacuum pump, a connecting pipe, a distance sensor, a push-pull plate and a cylinder;

wherein the first fixed seat is arranged at one side of the base, the upright post is arranged at the top of the first fixed seat, the fixed plate is arranged at one side of the upright post, the linear sliding table is arranged at the bottom of the fixed plate, the first driving motor is arranged on one side of the linear sliding table, the output end of the first driving motor is connected with the transmission end of the linear sliding table, the push-pull plate is arranged at the bottom of the linear sliding table and is connected with the sliding block of the linear sliding table, the cylinder is arranged inside the push-pull plate, the output end of the cylinder is connected with the top of the sucker device, the vacuum pump is arranged on the tops of the upright post and the fixed plate, one end of the connecting pipe is communicated with an air inlet of the vacuum pump, the other end of the connecting pipe is communicated with the sucker device, and the distance sensor is arranged at the bottom of the sucker device;

the device comprises a placing platform assembly, a positioning mechanism and a positioning mechanism, wherein the placing platform assembly comprises a second fixed seat, a supporting plate, a sliding device, a cross bracket, a first connecting block, a second driving motor, a screw rod, a storage platform and a rotating shaft;

wherein the second fixing seat is arranged on one side of the base close to the first fixing seat, the first fixing seat is in contact with the second fixing seat, the support plate is arranged on one side of the top of the second fixing seat, a cross sliding groove is formed in one side of the second fixing seat, the sliding device is arranged in the cross sliding groove, one side of the bottom of the cross bracket is rotatably connected with the top of the sliding device, one side of the bottom of the cross bracket is rotatably connected with the support plate through a rotating shaft, the first connecting block is arranged on one side of the inside of the cross bracket close to the sliding device, the second connecting block is arranged on one side of the top of the second fixing seat close to the rotating shaft, the second driving motor is arranged on one side of the top of the second fixing seat close to the first connecting block, and one end of the screw rod is connected with the output end of the second driving motor, the other end of the screw rod sequentially penetrates through the first connecting block and the second connecting block, the screw rod is in threaded connection with the first connecting block, and the screw rod is rotatably connected with the second connecting block.

2. The automatic ejector apparatus for a press according to claim 1, wherein: the jacking device comprises a jacking block, a hydraulic cylinder and a push rod, the hydraulic cylinder is installed on the top of the inner wall of the base, one end of the push rod is fixedly connected with the output end of the hydraulic cylinder, the other end of the push rod penetrates through the second through hole from bottom to top and extends to the inside of the first through hole, and the jacking block is installed on the top of the push rod.

3. The automatic ejector apparatus for a press according to claim 2, wherein: the first through hole is a circular truncated cone-shaped hole, the shape of the ejector block is matched with that of the first through hole, the top of the ejector block is flush with the top of the lower die in the stamping process of the stamping machine, and the ejector block is used for enabling the first through hole to be in any one of a closed state and an external communication state.

4. The automatic ejector apparatus for a press according to claim 2, wherein: the aerating device comprises a first electromagnetic valve, an air compressor, an air inlet pipe and an air outlet pipe, wherein the air compressor is installed at the bottom of the inner wall of the base, one end of the air inlet pipe is communicated with an air inlet of the air compressor, the other end of the air inlet pipe is communicated with the base and the outside, one end of the air outlet pipe is communicated with an air outlet of the air compressor, the other end of the air outlet pipe is sequentially communicated from bottom to top with the base and the lower die are communicated with the first through hole, and the first electromagnetic valve is installed at one end, close to the air compressor, of the air outlet pipe.

5. The automatic ejector apparatus for a press according to claim 4, wherein: the sucking disc device includes sucking disc seat, gas collecting channel, sucking disc and second solenoid valve, the top of gas collecting channel with the output of cylinder is connected, the sucking disc seat install in the bottom of gas collecting channel, the sucking disc install in the bottom of sucking disc seat, just the gas outlet of sucking disc seat with the inside intercommunication of gas collecting channel, the inside of gas collecting channel is bowl form structure, the opening orientation of gas collecting channel the top of sucking disc seat, the second solenoid valve set up in top one side of gas collecting channel, just second solenoid valve and gas collecting channel intercommunication, the other end of connecting pipe with the top opposite side intercommunication of gas collecting channel.

6. The automatic ejector apparatus for a press according to claim 1, wherein: the sliding device comprises a guide block, a connecting seat, a rolling shaft and a sealing plug, wherein the connecting seat is installed on the surface of the guide block, the guide block and the connecting seat are respectively arranged in the cross sliding groove, an annular groove is formed in the surface of the connecting seat, the rolling shaft is arranged in the annular groove and is connected with the connecting seat in a rotating mode, an interlayer is arranged in the connecting seat, the sealing plug is arranged at the top of the connecting seat and is connected with the connecting seat in a threaded mode, a straight groove is formed in the top of the sealing plug, and the sealing plug is used for opening and closing the interlayer.

7. The automatic ejector apparatus for a press according to claim 6, wherein: the connecting seat is internally provided with a through hole which is used for communicating an interlayer arranged in the connecting seat with the annular groove formed in the surface of the connecting seat, and the through hole is internally filled with sponge.

8. The automatic ejector apparatus for a press according to claim 6, wherein: the interlayer arranged in the connecting seat is used for filling lubricating oil.

9. The automatic ejector apparatus for a press according to claim 5, wherein: the signal input end of the controller is in communication connection with the signal output end of the distance sensor, and the signal output end of the controller is in communication connection with the signal input ends of the first electromagnetic valve, the second electromagnetic valve, the first driving motor, the second driving motor, the vacuum pump, the air compressor, the hydraulic cylinder and the air cylinder respectively.

10. A working method using an automatic mold releasing device of a press machine according to claims 1 to 9, characterized in that: the method comprises the following steps:

s1, inflating the die, starting the air compressor, sucking air by the air compressor through the air inlet pipe, compressing and storing, controlling the hydraulic cylinder to retract by the controller, driving the ejector block to move downwards by the hydraulic cylinder through the push rod, controlling the first electromagnetic valve to open by the controller, and ejecting compressed air stored in the air compressor from the first through hole through the air outlet pipe to enable an air layer to be formed between the stamping part and the lower die so as to enable the stamping part and the lower die to be separated;

s2, taking out a stamping part, controlling a first driving motor to rotate clockwise by a controller, driving a linear sliding table to drive a sucker device to move towards the direction of a lower die through a push-pull plate by the first driving motor, controlling an air cylinder to extend out and starting a vacuum pump after the sucker device moves above the lower die, driving the sucker device to move downwards to be attached to the stamping part by the air cylinder, vacuumizing the inside of the sucker device by the vacuum pump through a connecting pipe to adsorb the stamping part, controlling the first driving motor to rotate anticlockwise by the controller, driving the linear sliding table to drive the sucker device to move away from the lower die through the push-pull plate, controlling the vacuum pump to close by the controller after the sucker device moves above a storage platform, opening a second electromagnetic valve, communicating the sucker device with the outside, and placing the stamping part on the storage platform after the sucker device sucks air;

s3, the stamping workpiece is collected, distance sensor detects the distance of sucking disc device and under platform in real time, the sucking disc device is after having placed the stamping workpiece, the distance that distance sensor sensed shortens, controller control second driving motor counter-clockwise turning, second driving motor passes through the lead screw and drives first link block towards the direction motion of keeping away from the punching machine, cross brace shrink downwards, platform horizontal position 'S height reduces, after distance sensor detects sucking disc device and under platform' S distance and reachs the default, controller control second driving motor closes.

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