阅读说明：本技术 一种自动卸料且具有基本保养功能的金属冲压设备 (Automatic metal stamping equipment of unloading just has basic maintenance function ) 是由 商怡学 于 2020-07-07 设计创作，主要内容包括：本发明公开的一种自动卸料且具有基本保养功能的金属冲压设备,包括机体,所述机体右侧设有开口向右的工作腔,所述工作腔上壁面设有能够上下延伸的液压杆,所述液压杆下端面固定设有上模块,所述上模块下壁面中间固定设有冲压块,所述冲压块左右两侧分别对称设有两个冲裁柱,所述工作腔下侧固定设有下模块,本发明通过利用金属材料的限位与顶出机构进行联动,有效的降低的产品自动卸料的出错率,通过对上下模块周期性进行的金属残渣清理与润滑,提高了产品的质量,同时也解决了人工手动对上下模块保养的动作,提高了操作人员的安全性,不易发生误伤。(The invention discloses a metal stamping device with automatic discharging and basic maintenance functions, which comprises a machine body, wherein a working cavity with a right opening is arranged on the right side of the machine body, a hydraulic rod capable of extending up and down is arranged on the upper wall surface of the working cavity, an upper module is fixedly arranged on the lower end surface of the hydraulic rod, a stamping block is fixedly arranged in the middle of the lower wall surface of the upper module, two blanking columns are symmetrically arranged on the left side and the right side of the stamping block respectively, and a lower module is fixedly arranged on the lower side of the working cavity.)

1. The utility model provides an automatic metal stamping equipment of unloading and having basic maintenance function, includes the organism, its characterized in that: the right side of the machine body is provided with a working cavity with a rightward opening, the upper wall surface of the working cavity is provided with a hydraulic rod capable of extending up and down, the lower end surface of the hydraulic rod is fixedly provided with an upper module, the middle of the lower wall surface of the upper module is fixedly provided with a stamping block, the left side and the right side of the stamping block are respectively and symmetrically provided with two blanking columns, the lower side of the working cavity is fixedly provided with a lower module, the left side of the working cavity is provided with a multifunctional cavity, the lower end surface of the multifunctional cavity is fixedly provided with a supporting seat, the upper end surface of the supporting seat is fixedly provided with a high-pressure air box, the end surfaces of the left side and the right side of the supporting seat are fixedly provided with guide blocks, the upper side of the high-pressure air box is provided with a multifunctional push rod which passes through a cavity formed by, a rotatable transmission shaft is arranged on the rear wall surface of the multifunctional cavity, a driving drive plate is fixedly arranged on the outer circumferential surface of the transmission shaft, a driving lever is fixedly arranged on the rear side of the driving drive plate, a cylindrical pin is fixedly arranged on the front end surface of the right side of the driving lever, a rotatable sheave shaft is arranged on the right side of the transmission shaft, a ratchet cavity is arranged on the rear side of the multifunctional cavity, the rear end of the sheave shaft extends into the ratchet cavity, a driven sheave is fixedly arranged on the other end of the sheave shaft, the cylindrical pin can extend into the driven sheave groove and drive the driven sheave to rotate, an inner wheel is fixedly arranged on the rear end of the sheave shaft, a rotatable outer wheel is arranged on the outer circumferential surface of the inner wheel, a ratchet shaft is rotatably arranged on the rear end surface of the outer wheel, the other end of the ratchet shaft is fixed on the rear wall surface of the ratchet cavity, the ratchet cavity right wall face is fixedly provided with an oil inlet valve, an oil inlet cavity communicated with the outside is arranged in the oil inlet valve, an oil inlet is formed in the rear end of the oil inlet cavity in a communicated mode, a hydraulic oil pipe is arranged on the rear side of the oil inlet in a communicated mode, an opening and closing rod capable of moving left and right in the oil inlet is arranged on the right side of the ratchet cavity, a sealing block is fixedly arranged at the rear end of the opening and closing rod, and the sealing block can control the opening and closing of the oil.

2. The metal stamping apparatus with automatic discharging and basic maintenance functions as claimed in claim 1, wherein: the upper end of the hydraulic rod is connected with a hydraulic cylinder in a power way, the upper end surface of the lower module is provided with a stamping cavity corresponding to the stamping block, four blanking holes penetrating through the upper wall surface and the lower wall surface of the lower module are arranged on the upper end surface of the lower module and correspond to the blanking columns, a discharging cavity is arranged at the lower side of the blanking hole, an electromagnet is fixedly arranged on the lower wall surface of the discharging cavity, a limiting cavity which is far away from the axis of the lower module and is positioned at the outer side of the corresponding blanking hole and penetrates through the upper wall surface and the lower wall surface of the lower module is respectively arranged, the upper end of the limit cavity is provided with a limit block which can move up and down, a displacement channel is communicated between the limit cavity and the unloading cavity, a draw bar extending to the discharging cavity is fixedly arranged on the lower wall surface of the limiting block, a draw plate is fixedly arranged on the lower end surface of the draw bar, and a limiting spring surrounding the traction rod is fixedly arranged between the lower module and four corners of the upper end surface of the traction plate.

3. The metal stamping apparatus with automatic discharging and basic maintenance functions as claimed in claim 2, wherein: the utility model discloses a blanking post punching press, including the stripper plate, the stripper plate upside is equipped with the dead lever that runs through wall about the unloading chamber, the dead lever upside is equipped with the garbage collection groove, the garbage collection groove upside be equipped with the blanking hole of blanking hole intercommunication, by the waste material under the blanking post punching press can pass through the blanking hole with the blanking hole drops extremely in the garbage collection groove.

4. The metal stamping apparatus with automatic discharging and basic maintenance functions as claimed in claim 2, wherein: an ejection cavity with an upward opening is arranged between the blanking hole and the limiting cavity at the same position, an ejection block capable of moving up and down is arranged at the upper end of the ejection cavity, an ejection spring is fixedly arranged between the lower end surface of the ejection block and the lower wall surface of the ejection cavity, a guide cavity is arranged at the lower side of the ejection cavity, a rope cavity is communicated between the guide cavity and the ejection cavity, one side of the guide cavity, which is close to the axle center of the lower module, is communicated with the limit cavity, two guide shafts are fixedly arranged on the front wall and the rear wall inside the guide cavity from left to right, guide wheels are rotatably arranged on the outer circular surfaces of the guide shafts, the traction rod is close to the outer circular surface of one side of the guide cavity and is fixedly provided with a linkage block, the lower end surface of the ejection block is fixedly provided with a rope which penetrates through the corresponding position of the rope cavity and extends to the inside of the limiting cavity by bypassing the guide wheel, and the rope in the inside of the limiting cavity is fixedly connected with the linkage block.

5. The metal stamping apparatus with automatic discharging and basic maintenance functions as claimed in claim 1, wherein: a high-pressure air cavity is arranged in the high-pressure air box, an air inlet pipe communicated with the outside is arranged on the lower wall surface of the high-pressure air cavity, the upper wall surface of the high-pressure air cavity is provided with a high-pressure air cavity air outlet with an upward opening, a multifunctional rod cavity is arranged inside the multifunctional push rod, the lower wall surface of the multifunctional rod cavity is communicated with an air inlet, the air inlet can be communicated with the air outlet of the high-pressure air cavity when the multifunctional push rod moves leftwards and rightwards, an adjusting plate is fixedly arranged at the rear side of the multifunctional push rod, the lower end surface of the adjusting plate is in seamless butt joint with the upper end surface of the high-pressure air box, a multifunctional material pushing plate cavity is arranged in the multifunctional material pushing plate, the multifunctional rod cavity is communicated with the multifunctional material pushing plate cavity on the right side, the upper end surface and the lower end surface of the multifunctional material pushing plate are communicated with the front end of the multifunctional material pushing plate to form air injection holes, and high-pressure gas can flow out of the air injection holes.

6. The metal stamping apparatus with automatic discharging and basic maintenance functions as claimed in claim 1, wherein: the transmission shaft rear end power is connected in the motor, the transmission shaft front end hinge joint has the second pole, the second pole other end rotates to connect and is equipped with first pole, first pole front end extends to in the annular reciprocating lever.

7. The metal stamping apparatus with automatic discharging and basic maintenance functions as claimed in claim 1, wherein: the outer disc of switching pole left end is fixed and is equipped with the dog, the dog right-hand member face with fixed reset spring that is equipped with between the inlet valve left end face.

8. The metal stamping apparatus with automatic discharging and basic maintenance functions as claimed in claim 1, wherein: and an oil injection valve is fixedly arranged on the left wall surface of the working cavity, and the left end of the oil injection valve is communicated with the hydraulic oil pipe.

Technical Field

The invention relates to the technical field of metal stamping, in particular to metal stamping equipment with automatic discharging and basic maintenance functions.

Background

In industrial production, we can use some stamping equipment often, when stamping equipment uses, we need pick up the stamping part fast, accelerate production efficiency, we need carry out periodic maintenance and in time clear away the upper and lower module when lasting the punching press and remain the scum so that improve product quality on the module about with so that, in prior art, generally adopt artifical brush to clear up to the clearance of upper and lower module residue, need shut down work, not only inefficiency, the danger that mechanical injury operating personnel is healthy in the production process in addition, module residue about can not timely cleaing away, influence the production progress. The present invention sets forth a device that solves the above problems.

Disclosure of Invention

The technical problem is as follows: the upper module and the lower module need to be cleaned and lubricated periodically during metal stamping, and some existing machines can only be manually operated, so that the production efficiency is low.

In order to solve the problems, the embodiment designs a metal stamping device with automatic discharging and basic maintenance functions, which comprises a machine body, wherein the right side of the machine body is provided with a working cavity with a rightward opening, the upper wall surface of the working cavity is provided with a hydraulic rod capable of extending up and down, the lower end surface of the hydraulic rod is fixedly provided with an upper module, the middle of the lower wall surface of the upper module is fixedly provided with a stamping block, the left side and the right side of the stamping block are respectively and symmetrically provided with two blanking columns, the lower side of the working cavity is fixedly provided with a lower module, the left side of the working cavity is provided with a multifunctional cavity, the lower end surface of the multifunctional cavity is fixedly provided with a supporting seat, the upper end surface of the supporting seat is fixedly provided with a high-pressure air box, the left side and the right side of the supporting seat are respectively and fixedly provided with a guide block, and the upper side of the high-, the multifunctional push rod extends to the working cavity at the right end and is fixedly provided with a multifunctional push plate, the rear side of the high-pressure air box is fixedly provided with an annular reciprocating rod, the rear wall surface of the multifunctional cavity is provided with a rotatable transmission shaft, the outer circular surface of the transmission shaft is fixedly provided with a driving plate, the rear side of the driving plate is fixedly provided with a driving lever, the front end surface of the right side of the driving lever is fixedly provided with a cylindrical pin, the right side of the transmission shaft is provided with a rotatable sheave shaft, the rear side of the multifunctional cavity is provided with a ratchet cavity, the rear end of the sheave shaft extends into the ratchet cavity, the other end of the sheave shaft is fixedly provided with a driven sheave, the cylindrical pin can extend into a groove of the driven sheave and drive the driven sheave to rotate, the rear end of the sheave shaft is fixedly provided with an inner wheel, the outer circular surface of the inner wheel, the ratchet shaft other end is fixed in ratchet chamber rear wall face, the fixed connecting rod that is equipped with of foreign steamer rear end face, the fixed briquetting that is equipped with in connecting rod rear end, the fixed inlet valve that is equipped with of ratchet chamber right side wall face, be equipped with the oil feed chamber with external intercommunication in the inlet valve, the oil feed chamber rear end intercommunication is equipped with the oil inlet, oil inlet rear side intercommunication is equipped with hydraulic pressure oil pipe, ratchet chamber right side is equipped with can the switching pole that removes about in the oil inlet, the fixed closing piece that is equipped with in switching pole rear end, the closing piece can control the oil inlet switching.

Preferably, the upper end of the hydraulic rod is in power connection with a hydraulic cylinder, the upper end surface of the lower module is provided with a stamping cavity corresponding to the stamping block, four blanking holes penetrating through the upper wall surface and the lower wall surface of the lower module are arranged on the upper end surface of the lower module and correspond to the blanking columns, a discharging cavity is arranged at the lower side of the blanking hole, an electromagnet is fixedly arranged on the lower wall surface of the discharging cavity, a limiting cavity which is far away from the axis of the lower module and is positioned at the outer side of the corresponding blanking hole and penetrates through the upper wall surface and the lower wall surface of the lower module is respectively arranged, the upper end of the limit cavity is provided with a limit block which can move up and down, a displacement channel is communicated between the limit cavity and the unloading cavity, a draw bar extending to the discharging cavity is fixedly arranged on the lower wall surface of the limiting block, a draw plate is fixedly arranged on the lower end surface of the draw bar, and a limiting spring surrounding the traction rod is fixedly arranged between the lower module and four corners of the upper end surface of the traction plate.

Preferably, the upper side of the traction plate is provided with a fixing rod penetrating through the left wall surface and the right wall surface of the unloading cavity, a waste collecting groove is arranged on the upper side of the fixing rod, a blanking hole communicated with the blanking hole is formed in the upper side of the waste collecting groove, and waste materials punched by the blanking columns can fall into the waste collecting groove through the blanking hole and the blanking hole.

Preferably, an ejection cavity with an upward opening is arranged between the blanking hole and the limiting cavity at the same position, the upper end of the ejection cavity is provided with an ejection block which can move up and down, an ejection spring is fixedly arranged between the lower end surface of the ejection block and the lower wall surface of the ejection cavity, a guide cavity is arranged at the lower side of the ejection cavity, a rope cavity is communicated between the guide cavity and the ejection cavity, one side of the guide cavity, which is close to the axle center of the lower module, is communicated with the limit cavity, two guide shafts are fixedly arranged on the front wall surface and the rear wall surface in the guide cavity from left to right, a guide wheel is rotatably arranged on the outer circular surface of the guide shaft, a linkage block is fixedly arranged on the outer circular surface of one side of the traction rod close to the guide cavity, the lower end face of the ejection block is fixedly provided with a rope which penetrates through the corresponding position, passes through the rope cavity and extends to the inside of the limiting cavity by bypassing the guide wheel, and the rope in the inside of the limiting cavity is fixedly connected to the linkage block.

Preferably, a high-pressure air cavity is arranged in the high-pressure air box, an air inlet pipe communicated with the outside is arranged on the lower wall surface of the high-pressure air cavity, the upper wall surface of the high-pressure air cavity is provided with a high-pressure air cavity air outlet with an upward opening, a multifunctional rod cavity is arranged inside the multifunctional push rod, the lower wall surface of the multifunctional rod cavity is communicated with an air inlet, the air inlet can be communicated with the air outlet of the high-pressure air cavity when the multifunctional push rod moves leftwards and rightwards, an adjusting plate is fixedly arranged at the rear side of the multifunctional push rod, the lower end surface of the adjusting plate is in seamless butt joint with the upper end surface of the high-pressure air box, a multifunctional material pushing plate cavity is arranged in the multifunctional material pushing plate, the multifunctional rod cavity is communicated with the multifunctional material pushing plate cavity on the right side, the upper end surface and the lower end surface of the multifunctional material pushing plate are communicated with the front end of the multifunctional material pushing plate to form air injection holes, and high-pressure gas can flow out of the air injection holes.

Preferably, the rear end of the transmission shaft is in power connection with the motor, the front end of the transmission shaft is hinged with a second rod, the other end of the second rod is rotatably connected with a first rod, and the front end of the first rod extends into the annular reciprocating rod.

Preferably, a stop block is fixedly arranged on the outer circular surface of the left end of the opening and closing rod, and a return spring is fixedly arranged between the right end surface of the stop block and the left end surface of the oil inlet valve.

Preferably, an oil injection valve is fixedly arranged on the left wall surface of the working cavity, and the left end of the oil injection valve is communicated with the hydraulic oil pipe.

The invention has the beneficial effects that: according to the automatic discharging device, the limit and ejection mechanisms of the metal materials are linked, so that the error rate of automatic discharging of products is effectively reduced, the quality of the products is improved by periodically cleaning and lubricating metal residues on the upper module and the lower module, the action of manual maintenance on the upper module and the lower module is solved, the safety of operators is improved, and accidental injury is not easy to occur.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic view of the overall structure of a metal stamping apparatus with automatic discharging and basic maintenance functions according to the present invention;

FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;

FIG. 3 is an enlarged view of the structure of "B" in FIG. 1;

FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 1;

FIG. 5 is a schematic view of the structure in the direction "D-D" of FIG. 2;

FIG. 6 is an enlarged view of the structure of "E" of FIG. 2;

FIG. 7 is an enlarged view of the structure of "F" of FIG. 4;

FIG. 8 is a schematic view of the structure in the direction "G-G" of FIG. 7;

fig. 9 is an enlarged view of the structure of "H" in fig. 7.

Detailed Description

The invention will now be described in detail with reference to fig. 1-9, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The metal stamping equipment with automatic discharging and basic maintenance functions comprises an equipment body 11, wherein a right working cavity 12 with a right opening is arranged on the right side of the equipment body 11, a hydraulic rod 14 capable of extending up and down is arranged on the upper wall surface of the working cavity 12, an upper module 13 is fixedly arranged on the lower end surface of the hydraulic rod 14, a stamping block 16 is fixedly arranged in the middle of the lower wall surface of the upper module 13, two blanking columns 17 are symmetrically arranged on the left side and the right side of the stamping block 16 respectively, a lower module 20 is fixedly arranged on the lower side of the working cavity 12, a multifunctional cavity 42 is arranged on the left side of the working cavity 12, a supporting seat 43 is fixedly arranged on the lower wall surface of the multifunctional cavity 42, a high-pressure air box 44 is fixedly arranged on the upper end surface of the supporting seat 43, guide blocks 49 are fixedly arranged on the left side and the right side of the supporting seat 43, and a multifunctional push rod 48 capable of moving, the right end of the multifunctional push rod 48 extends to the working chamber 12 and is fixedly provided with a multifunctional push plate 41, the rear side of the high-pressure air box 44 is fixedly provided with an annular reciprocating rod 56, the rear wall surface of the multifunctional chamber 42 is provided with a rotatable transmission shaft 59, the outer circular surface of the transmission shaft 59 is fixedly provided with a driving dial 61, the rear side of the driving dial 61 is fixedly provided with a shift lever 62, the front end surface of the right side of the shift lever 62 is fixedly provided with a cylindrical pin 63, the right side of the transmission shaft 59 is provided with a rotatable sheave shaft 65, the rear side of the multifunctional chamber 42 is provided with a sheave chamber 68, the rear end of the sheave shaft 65 extends into the sheave chamber 68, the other end of the sheave shaft 65 is fixedly provided with a driven sheave 64, the cylindrical pin 63 can extend into the groove of the driven sheave 64 and drive the driven sheave 64 to rotate, the rear end of the sheave shaft 65 is fixedly provided with an inner wheel 66, the, the rear end face of the outer wheel 67 is rotatably provided with a ratchet shaft 69, the other end of the ratchet shaft 69 is fixed on the rear wall face of the ratchet cavity 68, the rear end face of the outer wheel 67 is fixedly provided with a connecting rod 70, the rear end of the connecting rod 70 is fixedly provided with a pressing block 71, the right wall face of the ratchet cavity 68 is fixedly provided with an oil inlet valve 72, an oil inlet cavity 73 communicated with the outside is arranged in the oil inlet valve 72, the rear end of the oil inlet cavity 73 is communicated with an oil inlet 74, the rear side of the oil inlet 74 is communicated with a hydraulic oil pipe 77, the right side of the ratchet cavity 68 is provided with an opening and closing rod 75 capable of moving left and right in the oil inlet 74, the rear end of the opening and closing rod 75 is fixedly provided.

Beneficially, the upper end of the hydraulic rod 14 is connected to a hydraulic cylinder 15 in a power manner, the upper end face of the lower module 20 is provided with a stamping cavity 18 corresponding to the stamping block 16, the upper end face of the lower module 20 and a position corresponding to the stamping column 17 are provided with four stamping holes 30 penetrating through the upper wall face and the lower wall face of the lower module 20, the lower side of each stamping hole 30 is provided with a discharging cavity 22, the lower wall face of each discharging cavity 22 is fixedly provided with an electromagnet 23, a limiting cavity 31 penetrating through the upper wall face and the lower wall face of the lower module 20 is respectively arranged at a position far away from the axis of the lower module 20 and at the outer side corresponding to the stamping hole 30, the upper end of each limiting cavity 31 is provided with a limiting block 19 capable of moving up and down, a displacement channel 29 is communicated between each limiting cavity 31 and the discharging cavity 22, a draw bar 25 extending to the discharging cavity 22 is fixedly arranged on the, and a limiting spring 26 surrounding the traction rod 25 is fixedly arranged between the lower module 20 and four corners of the upper end surface of the traction plate 24.

Advantageously, the upper side of the traction plate 24 is provided with a fixing rod 28 penetrating through the left and right wall surfaces of the unloading cavity 22, the upper side of the fixing rod 28 is provided with a waste collecting groove 27, the upper side of the waste collecting groove 27 is provided with a blanking hole 21 communicating with the blanking hole 30, and waste punched by the blanking column 17 can fall into the waste collecting groove 27 through the blanking hole 30 and the blanking hole 21.

Beneficially, an ejection cavity 37 with an upward opening is arranged between the blanking hole 30 and the limiting cavity 31 at the same position, an ejection block 40 capable of moving up and down is arranged at the upper end of the ejection cavity 37, an ejection spring 38 is fixedly arranged between the lower end surface of the ejection block 40 and the lower wall surface of the ejection cavity 37, a guide cavity 33 is arranged at the lower side of the ejection cavity 37, a rope cavity 36 is arranged between the guide cavity 33 and the ejection cavity 37 in a communicating manner, one side of the guide cavity 33 close to the axis of the lower module 20 is communicated with the limiting cavity 31, two guide shafts 34 are fixedly arranged on the front and rear wall surfaces inside the guide cavity 33 from left to right, a guide wheel 35 is rotatably arranged on the outer circular surface of the guide shaft 34, a linkage block 32 is fixedly arranged on the outer circular surface of one side of the traction rod 25 close to the guide cavity 33, a rope 39 which penetrates through the rope cavity 36 at the corresponding position and extends to the inside of the limiting cavity 31 by bypassing, the rope 39 inside the limiting cavity 31 is fixedly connected to the linkage block 32.

Beneficially, a high-pressure air chamber 46 is arranged in the high-pressure air chamber 44, an air inlet pipe 45 communicated with the outside is arranged on the lower wall surface of the high-pressure air chamber 46, a high-pressure air chamber air outlet 47 with an upward opening is arranged on the upper wall surface of the high-pressure air chamber 46, a multifunctional rod chamber 50 is arranged in the multifunctional push rod 48, an air inlet 51 is communicated with the lower wall surface of the multifunctional rod chamber 50, the air inlet 51 can be communicated with the high-pressure air chamber air outlet 47 when the multifunctional push rod 48 moves left and right, an adjusting plate 52 is fixedly arranged on the rear side of the multifunctional push rod 48, the lower end surface of the adjusting plate 52 is in seamless butt joint with the upper end surface of the high-pressure air chamber 44, a multifunctional material pushing plate chamber 53 is arranged in the multifunctional material pushing plate 41, the multifunctional rod chamber 50 is communicated with the multifunctional material pushing plate chamber, the gas injection holes 54 allow high pressure gas to flow out.

Advantageously, the rear end of the transmission shaft 59 is connected with the motor 60 in a power mode, the front end of the transmission shaft 59 is connected with the second rod 58 in a hinged mode, the other end of the second rod 58 is connected with the first rod 57 in a rotating mode, and the front end of the first rod 57 extends into the annular reciprocating rod 56.

Advantageously, a stopper 78 is fixedly arranged on the outer circumferential surface of the left end of the opening and closing rod 75, and a return spring 79 is fixedly arranged between the right end surface of the stopper 78 and the left end surface of the oil inlet valve 72.

Advantageously, an oil injection valve 55 is fixedly arranged on the left wall surface of the working chamber 12, and the left end of the oil injection valve 55 is communicated with the hydraulic oil pipe 77.

The use steps of the metal stamping device with automatic discharging and basic maintenance function in the present invention are described in detail with reference to fig. 1 to 9: in an initial state, the upper module 13 is at an upper limit position, the limit block 19 is at an upper limit position, the ejection block 40 is at a lower limit position, the ejection spring 38 is in a compressed state, high-pressure gas is continuously supplied to the high-pressure gas chamber 46, the traction plate 24 is at an upper limit position, the multifunctional material pushing plate 41 is at a left limit position, the return spring 79 is in a free state, the opening and closing rod 75 is at a left limit position, and the oil inlet 74 is in a closed state.

When the punching die works, a metal material to be punched is placed in four limiting blocks 19 on the periphery for limiting, the hydraulic cylinder 15 is driven, the hydraulic rod 14 extends downwards to drive the upper die block 13 to move downwards, further the punching column 17 is driven to punch a metal plate, the punched material falls into a waste collecting tank 27 in the discharging cavity 22 through the punching hole 30 and the blanking hole 21, the punching block 16 moves downwards and enters the punching cavity 18 to punch the metal plate, after punching is finished, the hydraulic cylinder 15 is driven to drive the hydraulic rod 14 to move upwards, the punching column 17 and the punching block 16 move upwards, when the punching column 17 and the punching block 16 reach a limiting position, the hydraulic cylinder 15 is stopped being driven to complete one-time punching, the electromagnet 23 is electrified to drive the traction plate 24 to move downwards, the limiting blocks 19 are driven to move downwards through the traction rod 25, the limiting spring 26 is in a stretching state, and the linkage block 32 on the upper side of the traction rod 25 moves downwards, then the pulling force of the rope 39 is reduced, the ejection block 40 moves upwards and ejects the punched finished product under the action of the elastic force of the ejection spring 38, the motor 60 is driven, the coaxial transmission shaft 59 and the driving dial 61 are driven to rotate, the second rod 58 is driven to rotate, the annular reciprocating rod 56 is driven to move rightwards through the first rod 57, the high-pressure air box 44 is driven to move rightwards, the air inlet 51 is communicated with the high-pressure air cavity air outlet 47, high-pressure air enters the multifunctional material pushing plate cavity 53 through the multifunctional rod cavity 50 and cleans residues on the upper mold block 13 and the lower mold block 20 through the air ejecting hole 54, the multifunctional material pushing plate 41 moves rightwards at the moment to push the ejected finished product, the discharging action is completed, the adjusting plate 52 can adjust the air outlet size of the high-pressure air cavity air outlet 47, the high-pressure air box 44 is driven to retract again under the action of the annular reciprocating rod, simultaneously, the driving lever 62 and the cylindrical pin 63 are driven to rotate, the driving plate 61 rotates for four circles, the driven grooved wheel 64 is driven to rotate for one circle, the grooved wheel shaft 65 is driven to rotate clockwise, the driven grooved wheel 64 is driven to rotate, the outer wheel 67 is driven to rotate through gear engagement, the pressing block 71 is driven to rotate, the driving motor 60 is stopped, the electromagnet 23 is switched off, the traction plate 24 moves upwards under the action of the limiting spring 26, the limiting block 19 moves upwards, meanwhile, the ejection block 40 moves downwards to perform next stamping and sequentially performs reciprocating work, when the motor 60 is driven for the fourth time, the pressing block 71 is driven to extrude the opening and closing rod 75 to move rightwards and open the oil inlet 74, oil flows to the oil injection valve 55 through the hydraulic oil pipe 77 and is sprayed on the upper module 13 to be lubricated, the pressing block 71 is rotated again, at the moment, the pressing of the opening and closing rod, the reciprocating work achieves automatic discharging, meanwhile, residue cleaning is carried out on the upper module 13 and the lower module 20, and four-cycle one-time lubrication work is completed.

The invention has the beneficial effects that: according to the automatic discharging device, the limit and ejection mechanisms of the metal materials are linked, so that the error rate of automatic discharging of products is effectively reduced, the quality of the products is improved by periodically cleaning and lubricating metal residues on the upper module and the lower module, the action of manual maintenance on the upper module and the lower module is solved, the safety of operators is improved, and accidental injury is not easy to occur.

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.