CN112845878A - Stamping auxiliary device for production of medical article instrument box - Google Patents

Abstract

The invention belongs to the technical field of medical instruments and discloses a stamping auxiliary device for producing a medical article instrument box, which comprises a base table, wherein four first buffer rods are fixedly arranged on the periphery of the middle part in the base table at equal intervals, a base plate is fixedly arranged in the middle part of the middle end in the base table, first springs are fixedly arranged at two ends in the base plate, electric connection blocks are fixedly arranged on the inner sides of the two first springs, and lower dies are fixedly arranged on the tops of the four first buffer rods. The hydraulic cylinder, the electric connecting block, the pressurizing block and the like are arranged to achieve the purpose of good stamping effect, the buffer block is driven by the pressing block to move downwards together, the buffer block can move upwards with the help of the third buffer rod, and the pressing block continues to move downwards, so that the buffer block always fixes the position of the middle part of the material block in the stamping process, the position deviation of the material block is effectively prevented, and the good stamping effect is ensured.

Description

Stamping auxiliary device for production of medical article instrument box

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to a stamping auxiliary device for producing a medical article instrument box.

Background

The stamping is a forming processing method which applies external force to plates, strips, pipes, profiles and the like by a press and a die to cause the plates, the strips, the pipes, the profiles and the like to generate plastic deformation or separation, thereby obtaining workpieces (stamped parts) with required shapes and sizes.

Along with the rapid improvement of the mechanization level in the medical field, various large medical instruments are also rapidly produced and put into practical use, stamping work is often required to be adopted in the processing process of the medical instruments, the existing stamping device for producing the medical article instrument box is often too direct, a hydraulic cylinder is directly matched with a corresponding workbench to perform stamping lifting work, the yield cannot be guaranteed by adopting the method, necessary auxiliary devices are lacked, the clearance of a die cannot be accurately controlled by a hydraulic device when a hydraulic die is generally adopted, the burrs of a stamped workpiece are large when the clearance of the die is too large, and the quality of the stamped product is poor; when the die gap is too small, the die wears too fast, and further improvement of the existing punching auxiliary device is required.

Disclosure of Invention

The invention aims to solve the problems, and provides a stamping auxiliary device for producing a medical article instrument box, which has the advantages of convenience in stamping and good auxiliary effect.

In order to achieve the purpose, the invention provides the following technical scheme: a stamping auxiliary device for producing medical article instrument boxes comprises a base table, wherein four first buffer rods are fixedly installed on the periphery of the middle portion of the interior of the base table at equal intervals, a base plate is fixedly installed on the middle portion of the middle end of the interior of the base table, a first groove body is arranged in the base plate, first springs are symmetrically arranged in the first groove body, an electromagnetic block is fixed at one end, opposite to the first spring, of the first springs, a first wedge-shaped conductor is arranged above the electromagnetic block, the other end of the first spring is connected with a pressure sensor, and the pressure sensor is embedded in the base plate; a lower die is fixedly mounted at the tops of the four first buffer rods, a second groove body is arranged in the lower die, a sliding block is arranged in the second groove body, the lower part of the sliding block is connected with the second groove body through a second spring, an extrusion block is arranged at the center of the sliding block, a second wedge-shaped conductor corresponding to the first wedge-shaped conductor is arranged at the end part of the extrusion block, a lifting block is arranged at the top of the sliding block, and the lifting block penetrates through the upper surface of the lower die and moves up and down along with the sliding block; an upper die is fixedly mounted in the middle of the top of the base table, a second buffer rod is fixedly mounted at the rear end of the top of the base table, a hydraulic cylinder is fixedly mounted at the top of the second buffer rod, a support frame is fixedly mounted at the back of the top of the base table, a top block is fixedly mounted at the front end of the bottom of the hydraulic cylinder, a pressing block is fixedly mounted at the periphery of the bottom of the top block, a third buffer rod is fixedly mounted in the middle of the bottom of the top block, a buffer block is fixedly mounted at the bottom of the third buffer rod, and a controller is fixedly mounted on the right side of the support frame; the second spring is compressed to a limit position, the controller controls the first buffer rod to drive the extrusion block to move, so that the second wedge conductor is in contact with and is communicated with the first wedge conductor, an electric signal communicated with the first wedge conductor is transmitted into the controller, under the action of the first spring, the inclined surface of the second wedge conductor is kept in communication with the inclined surface of the first wedge conductor, when the second wedge conductor and the first wedge conductor move relatively from a first position to a second position, a pressure difference measured by the pressure sensor is delta F, the stiffness coefficient of the first spring is k, the inclination angle of the inclined surfaces of the second wedge conductor and the first wedge conductor is alpha, and the first buffer rod drives the lower die to move in the vertical direction by a distance L = delta F tan alpha/k.

Preferably, a moving groove is formed in the front end of the top of the base table, an electric control telescopic rod is fixedly mounted on the right side of the moving groove, a moving block is fixedly mounted on the left side of the electric control telescopic rod, a clamp is fixedly mounted at the rear end of the top of the moving block, and a guide groove is formed in the middle of the left side of the base table.

Preferably, the fixture comprises an electric telescopic rod, a hinge ring is fixedly mounted on the periphery of the top of the electric telescopic rod, clamping arms are fixedly mounted at two ends of the hinge ring, electromagnetic plates are fixedly mounted on the inner sides of the clamping arms, a limiting block is fixedly mounted at the rear end of the hinge ring, and the bottom of the electric telescopic rod is fixedly mounted at the rear end of the top of a moving block.

Preferably, the chassis is inside first cell body is including erecting groove and cross slot, the electromagnetism piece is located erect the inslot, first spring is located the cross slot, first spring stretches out the cross slot and with electromagnetism piece looks fixed connection, the extrusion piece downstream inserts two during between the electromagnetism piece, the electromagnetism piece not with erect the inner wall in groove and contact.

Preferably, the lower die is consistent with the upper die in shape structure, the buffer block corresponds to the top of the lower die, a circular groove opening is formed in the top of the upper die, and the buffer block freely moves up and down in the circular groove opening.

Preferably, the upper mold is located in the middle of the top of the base table, the clamp does not contact with the upper mold when moving to the middle of the base table, and the rear end of the clamp is located at the top of the guide groove.

Preferably, the number of the lifting blocks is three, the lifting blocks are uniformly distributed in a ring shape in the center of the sliding block, the lifting blocks are pressed into the second groove body, and the second spring is compressed to the limit position.

Preferably, the electromagnetic blocks on the two sides are electrified and magnetically attracted with each other to block the second wedge-shaped conductor and the extrusion block from moving downwards, and the lifting block further lifts out of the upper surface of the lower die to enable the stamping part on the lower die to be separated from the lower die.

Preferably, the second spring is in a natural telescopic state, the height of the upper part of the lifting block is higher than the upper surface of the lower die, the second spring is in a stretched state, and the lifting block further moves upwards.

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

1. the invention can make the second wedge conductor contact and conduct with the first wedge conductor by arranging the first wedge conductor, the second wedge conductor, the two electromagnetic blocks, the first spring, the pressure sensor and the like, the second spring is compressed to the limit position, the controller controls the first buffer rod to drive the extrusion block to move, the second wedge conductor is communicated with the first wedge conductor, the conducted electric signals of the two are transmitted into the controller, under the action of the first spring, the inclined plane of the second wedge conductor is communicated with the inclined plane of the first wedge conductor, when the second wedge conductor and the first wedge conductor relatively move from the first position to the second position, the pressure difference value measured by the pressure sensor is delta F, the stiffness coefficient of the first spring is k, the inclination angle of the inclined plane of the second wedge conductor and the first wedge conductor is alpha, the distance L = delta F tan alpha/k that the first buffer rod drives the lower die to move in the vertical direction, this distance L is the distance that stamping material's bed die moved for last mould, through controlling this distance L, and then can be accurate control bed die and the clearance of last mould, and then guarantee the quality of punching press product, guarantee the life of bed die and last mould.

2. According to the invention, through arranging the hydraulic cylinder, the jacking block, the third buffer rod, the second spring, the lifting block and other mechanisms, after stamping of a stamping material is completed, when a product needs to be demoulded from an upper die, the controller controls the hydraulic cylinder to contract, and further drives the upper die to move upwards through the jacking block and the pressing block, the controller controls the third buffer rod to extend or keep still, and in the further relative movement process of the upper die and the buffer block, a stamped instrument box is jacked down from the upper die by the buffer block, so that the demoulding is completed; when the instrument box after accomplishing the punching press need follow the bed die on the drawing of patterns, the first buffer beam of controller control keeps motionless, control third buffer beam upwards shrink, and then drive the buffer block upward movement, the suppression is in the second spring that compresses to extreme condition and resumes elastic deformation and resume to the nature flexible state along with the buffer block lasts the upward movement, the second spring is at the in-process that resumes self flexible state, through promoting slider upward movement, the in-process of slider upward movement drives the elevator upward movement, the elevator is under the instrument box top after adsorbing the punching press on the bed die, accomplish the drawing of patterns.

3. By arranging the second spring, the two electromagnetic blocks, the first buffer rod and other mechanisms, when the stamped instrument box cannot be demolded from the lower die, the controller controls the first buffer rod to extend, the first buffer rod drives the extrusion block to move upwards until the second wedge-shaped conductor at the end part of the extrusion block leaves between the two electromagnetic blocks, at the moment, the first spring is in a natural telescopic state, and the two electromagnetic blocks are attached to each other; the controller controls the electromagnetic blocks on the two sides to be electrified and generate attraction magnetic force, when the two electromagnetic blocks are magnetically adsorbed together, the first buffer rod drives the lower die and the instrument box which is not demoulded above the lower die, the pressing block and the second wedge-shaped conductor at the end part of the pressing block to move downwards, the electromagnetic blocks on the two sides are electrified and magnetically adsorbed mutually to block the second wedge-shaped conductor and the extrusion block from moving downwards, the first buffer rod can still drive the lower die and the instrument box which is not demoulded above the lower die to move downwards, at the moment, the extrusion block and the sliding block move upwards relative to the lower die and the instrument box which is not demoulded above the lower die, at the moment, the second spring is gradually stretched, and as the second spring is in a stretched state, the lifting block further moves upwards, the lifting block further rises out of the upper surface of the lower die and enables the instrument box.

Drawings

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

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

FIG. 3 is a schematic cross-sectional view of a structural base platform of the present invention;

FIG. 4 is a schematic view of a structural jig of the present invention;

FIG. 5 is an enlarged view of the structure A of the present invention;

FIG. 6 is a schematic view of the first wedge conductor and the second wedge conductor of the present invention in a first position;

fig. 7 is a schematic view of the first wedge conductor and the second wedge conductor of the present invention in a second position.

In the figure: 1. a base table; 2. an electric control telescopic rod; 3. a moving block; 4. a clamp; 41. an electric telescopic rod; 42. a hinge ring; 43. clamping arms; 44. an electromagnetic plate; 45. a limiting block; 5. a moving groove; 6. a first buffer rod; 7. a chassis; 8. a first spring; 9. a first wedge-shaped conductor; 10. a lower die; 11. extruding the block; 12. a slider; 13. a lifting block; 14. an upper die; 15. a pressing block; 16. a buffer block; 17. a third buffer rod; 18. a second buffer rod; 19. a top block; 20. a hydraulic cylinder; 21. a support frame; 22. a controller; 23. a guide groove; 24. a first tank body; 25. an electromagnetic block; 26. a pressure sensor; 27. a second tank body; 28. a second spring; 29. a second wedge conductor.

Detailed Description

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 7, the invention provides a stamping auxiliary device for producing a medical article instrument box, which comprises a base table 1, wherein four first buffer rods 6 are fixedly arranged on the periphery of the middle part in the base table 1 at equal intervals, the first buffer rods 6 are hydraulic telescopic rods, and the controller 22 controls a hydraulic system to control the telescopic length of the first buffer rods 6 and the hydraulic pressure in the hydraulic system; a chassis 7 is fixedly installed in the middle of the middle end inside the base table 1, a first groove body 24 is arranged in the chassis 7, first springs 8 are symmetrically arranged in the first groove body 24, an electromagnetic block 25 is fixed at one end, opposite to the first spring 8, of the first spring 25, a first wedge-shaped conductor 9 is arranged above the electromagnetic block 25, the other end of the first spring 8 is connected with a pressure sensor 26, and the pressure sensor 26 is embedded in the chassis 7; the first spring 8 is combined with the pressure sensor 26, the first wedge-shaped conductor 9 and the second wedge-shaped conductor 29, so that the gap between the upper die 14 and the lower die 10 can be measured and controlled accurately, the stamping quality of a product is reasonably improved, the abrasion of the upper die 14 and the lower die 10 is reduced, and the service lives of the upper die 14 and the lower die 10 are prolonged.

The top parts of the four first buffer rods 6 are fixedly provided with a lower die 10, a second groove body 27 is arranged in the lower die 10, a sliding block 12 is arranged in the second groove body 27, the lower part of the sliding block 12 is connected with the second groove body through a second spring 28, the top part of the sliding block 12 is provided with a lifting block 13, and the lifting block 13 penetrates through the upper surface of the lower die 10 and moves up and down along with the sliding block 12; the number of the lifting blocks 13 is three, the lifting blocks 13 are uniformly distributed in a ring shape around the center of the sliding block 12, the lifting blocks 13 are pressed into the second groove body 27, and the second spring 28 is compressed to the limit position. The second spring 28 is in a natural expansion state, and the upper portion of the lifting block 13 is located at a height higher than the upper surface of the lower mold 10. When the medical article instrument box is punched, firstly, a punching material is placed above an upper die 14, a controller 22 controls a third buffer rod 17 to drive a buffer block 16 to move downwards, the controller 22 controls the hydraulic pressure of a first buffer rod 6 to be larger than that of the third buffer rod 17 in advance, when the third buffer rod 17 drives the buffer block 16 to move downwards and contact with the punching material, the buffer block 16 is driven to extrude the punching material and extrude a lifting block 13 into a second groove body 27 along with the continuous downward movement of the third buffer rod 17, so that the punching material is directly contacted with the upper surface of a lower die 10, a second spring 28 is compressed to a limit position, and meanwhile, after the second spring 28 is compressed, due to the reaction force of the elastic deformation of the second spring, the second spring can act on the lifting block 13 through a sliding block 12, so that the lifting block 13 and the buffer block 16 tightly clamp the punching material, the center of the stamping material is compressed, so that the phenomenon that the center of the stamping material bulges when the stamping material is stamped to influence the stamping quality and precision of a stamping product is avoided; on the other hand, after the stamping is completed, in the process that the third buffer rod 17 drives the buffer block 16 to move upwards, the second spring 28 gradually recovers elastic deformation and drives the lifting block 13 to move upwards through the sliding block 12, when the lifting block 13 is lifted out of the second groove 27, namely the height of the upper end of the lifting block 13 is higher than that of the upper surface of the lower die 10, the lifting block 13 pushes up the stamped material on the upper surface of the lower die 10 upwards, so that the stamped material is separated from the lower die 10, and the product demoulding operation is completed; thirdly, after the second spring 28 is compressed to the extreme position, the hydraulic pressure of the third buffer rod 17 is increased to extend the third buffer rod 17, the hydraulic pressure of the first buffer rod 6 is reduced, the hydraulic pressure of the first buffer rod 6 is smaller than the hydraulic pressure of the third buffer rod 17, the third buffer rod 17 passes through the buffer block 16 and the lower die 10 extruded downwards by the punching material, the lower die 10 and the extrusion block 11 synchronously move downwards while the first buffer rod 6 is contracted, and preparation is made for controlling the gap between the lower die 10 and the upper die 14 by using the first wedge-shaped conductor 9 and the second wedge-shaped conductor 29.

The center of the sliding block 12 is provided with an extrusion block 11, and the end part of the extrusion block 11 is provided with a second wedge-shaped conductor 29 corresponding to the first wedge-shaped conductor 9; when the extrusion block 11 moves downwards, and two inclined planes of the second wedge-shaped conductor 29 at the end part of the extrusion block 11 are respectively attached to the inclined planes of the two first wedge-shaped conductors 9, the first wedge-shaped conductor 9 and the second wedge-shaped conductor 29 are conducted, at this time, an electric signal is transmitted into the controller 22, the extrusion block 11 drives the second wedge-shaped conductor 29 to continue to move downwards, the second wedge-shaped conductor 29 extrudes the first wedge-shaped conductor 9 to two sides to enable the first wedge-shaped conductor 9 to move to two sides, and the first spring 8 is compressed in the process that the first wedge-shaped conductor 9 moves to two sides; the pressing block 11 continues to move downwards until the second wedge-shaped conductor 29 is inserted between the two electromagnetic blocks 25, at which time the second wedge-shaped conductor 29 is separated from the first wedge-shaped conductor 9, the electric signal transmitted into the controller 22 is disconnected, the controller stops the third buffer rod 17 from extending, at which time the second wedge-shaped conductor 29 and the first wedge-shaped conductor 9 are located at the first position, preparation is made for punching the material, at which time the pressure value measured by the pressure sensor 26 is F1, and the pressure value is transmitted into the controller 22; at the moment, the hydraulic pressure of the third buffer rod 17 is controlled to be smaller than that of the first buffer rod 6 by the controller, the hydraulic cylinder 20 is controlled to extend, the hydraulic cylinder 20 brings the upper die 14 to a stamping position by the ejector block 19 and the pressing block 15, in the process, the third buffer rod 17 is extruded and contracted, meanwhile, the second spring 28 is compressed to the limit position by the buffer block 16, the controller 22 controls the first buffer rod 6 to drive the extrusion block 11 to move, at the moment, the extrusion block 11 drives the second wedge-shaped conductor 29 to move upwards for a certain distance, so that the second wedge-shaped conductor 29 is in contact with and conducted with the first wedge-shaped conductor 9, electric signals conducted between the first wedge-shaped conductor and the second wedge-shaped conductor are transmitted into the controller 22, under the action of the first spring 8, the inclined surface of the second wedge-shaped conductor 29 is kept to be conducted with the inclined surface of the first wedge-shaped conductor 9, at the moment, the second wedge-, at the moment, the first buffer rod 6 drives the lower die 10 to move upwards to be matched with the upper die 14 to punch the punching material, the punching material is in a punched state, and the pressure value measured by the pressure sensor 26 is F2 and is transmitted into the controller 22; when the second wedge-shaped conductor 29 and the first wedge-shaped conductor 9 move relatively from the first position to the second position, the pressure difference measured by the pressure sensor 26 is Δ F, which is known as Δ F = F1-F2; the stiffness coefficient of the first spring 8 is k, the inclination angle of the inclined plane of the second wedge-shaped conductor 29 and the first wedge-shaped conductor 9 is alpha, the first buffer rod 6 drives the lower die 10 to move in the vertical direction by a distance L = Δ F tan α/k, the distance L is the process of stamping materials, the lower die 10 moves relative to the upper die 14 by a distance L, and by controlling the distance L, the gap between the lower die 10 and the upper die 14 can be accurately controlled, so that the quality of a stamped product is ensured, and the service lives of the lower die 10 and the upper die 14 are ensured.

An upper die 14 is fixedly installed in the middle of the top of the base table 1, a second buffer rod 18 is fixedly installed at the rear end of the top of the base table 1, a hydraulic cylinder 20 is fixedly installed at the top of the second buffer rod 18, a support frame 21 is fixedly installed on the back of the top of the base table 1, a top block 19 is fixedly installed at the front end of the bottom of the hydraulic cylinder 20, a pressing block 15 is fixedly installed at the periphery of the bottom of the top block 19, a third buffer rod 17 is fixedly installed in the middle of the bottom of the top block 19, the third buffer rod 17 and the second buffer rod 18 are all hydraulic telescopic rods, and the telescopic length of the third buffer rod 17 and the internal hydraulic pressure thereof can be controlled by controlling a hydraulic system through a controller; the bottom of the third buffer rod 17 is fixedly provided with a buffer block 16, and the right side of the support frame 21 is fixedly provided with a controller 22;

wherein, shifting chute 5 has been seted up to the front end at 1 top of base platform, the right side fixed mounting of shifting chute 5 has automatically controlled telescopic link 2, the left side fixed mounting of automatically controlled telescopic link 2 has movable block 3, the rear end fixed mounting at 3 tops of movable block has anchor clamps 4, guide groove 23 has been seted up at the left middle part of base platform 1, material after the punching press is handled, operating personnel can realize the change of anchor clamps 4 position through controlling automatically controlled telescopic link 2, press from both sides to get and remove guide groove 23 region with it after the completion again, it just can accomplish the good part of punching press and remove the transport to loosen anchor clamps 4.

Wherein, the clamp 4 comprises an electric telescopic rod 41, a hinge ring 42 is fixedly installed on the periphery of the top of the electric telescopic rod 41, clamping arms 43 are fixedly installed at both ends of the hinge ring 42, electromagnetic plates 44 are fixedly installed on the inner sides of the two clamping arms 43, a limiting block 45 is fixedly installed at the rear end of the hinge ring 42, the bottom of the electric telescopic rod 41 is fixedly installed at the rear end of the top of the moving block 3, the position of the clamp 4 can be well changed by the electric telescopic rod 2, after the punching process is completed, the electric telescopic rod is moved to the front of the upper die 14, the electric telescopic rod 41 is lowered to align with the punching part to realize the primary fixing of the clamping position, the controller 22 can control the electromagnetic plates 44 to be electrified to work, at the moment, the two electromagnetic plates 44 are electrified to enable the same polarity to be tightly attached together, and the fixed clamping of, reuse electric telescopic handle 41 lifting height afterwards, remove its position through automatically controlled telescopic link 2, just can accomplish a whole article clamp and get work, make two electromagnetic plates 44 like poles repel each other through pouring into homopolar power again afterwards, realize that whole anchor clamps 4 open that whole process is simple and convenient effectual.

The first groove body 24 in the chassis 7 comprises a vertical groove and a transverse groove, the electromagnetic blocks 25 are positioned in the vertical groove, the first spring 8 is positioned in the transverse groove, the first spring 8 extends out of the transverse groove and is fixedly connected with the electromagnetic blocks 25, and when the extrusion block 11 moves downwards and is inserted between the two electromagnetic blocks 25, the electromagnetic blocks 25 are not in contact with the inner wall of the vertical groove; so as to ensure that the two electromagnetic blocks 25 can be extruded in the downward movement process of the extrusion block 11, so that the electromagnetic blocks 25 move to two sides and extrude the first spring 8 under the condition of no electrification and no magnetic attraction; when the extrusion block 11 moves downwards and is inserted between the two electromagnetic blocks 25, the electromagnetic blocks 25 do not contact with the inner wall of the vertical groove, so that the extrusion block 11 can move downwards smoothly and be inserted between the two electromagnetic blocks 25, and the two electromagnetic blocks 25 and the vertical groove are prevented from influencing the downward movement of the extrusion block 11, so that the distance between the upper die 14 and the lower die 10 cannot be controlled, and the impact on a stamping workpiece is avoided.

The lower die 10 and the upper die 14 are consistent in appearance structure, the buffer block 16 corresponds to the top of the lower die 10, a circular groove is formed in the top of the upper die 14, and the buffer block 16 freely moves up and down in the circular groove. During normal work, pneumatic cylinder 20 moves down and makes last mould 14 keep at the punching press position through kicking block 19 and pressing block 15, drives the in-process of lower mould 10 upward movement when first buffer beam 6, places the sheetmetal at lower mould 10 top middle part and can be by quick punching press, form a no top cap cylinder structure afterwards, whole stamping process job stabilization is effectual, can avoid appearing the direct contact of structure and, cause the damage of last mould 14 and lower mould 10.

Wherein, go up mould 14 and be located the middle part at base platform 1 top, anchor clamps 4 do not contact with last mould 14 when moving to the middle part of base platform 1, and the rear end of anchor clamps 4 is located the top of guiding groove 23, and anchor clamps 4 need remove under the help of automatically controlled telescopic link 2, so that it can accomplish taking of stamping part and remove and place, now with its setting in this position, the contact of avoiding the two position that can be fine, guarantee that job stabilization is effectual.

Example two

After the stamping of the stamping material is completed, the cartridge product formed after stamping needs to be demolded from the upper mold 14 and/or the lower mold 10 to remove the finished product and prevent the subsequent stamping from being affected. When a product needs to be demolded from the upper die 14, the controller controls the hydraulic cylinder 20 to contract, the upper die 14 is driven to move upwards through the ejector block 19 and the pressing block 15, the controller 22 controls the third buffer rod 17 to extend or keep immobile, and then the buffer blocks 16 on the upper die 14 and the third buffer rod 17 move relatively until the instrument box punched in the upper die 14 contacts with the buffer blocks 16, and in the further relative movement process of the upper die 14 and the buffer blocks 16, the instrument box punched is pushed down from the upper die 14 by the buffer blocks 16, and demolding is completed.

When the instrument box after stamping needs to be demolded from the lower die 10, the controller controls the first buffer rod 6 to be kept still, controls the third buffer rod 17 to contract upwards, further drives the buffer block 16 to move upwards, inhibits the second spring 28 which is compressed to a limit state from recovering elastic deformation and recovers to a natural telescopic state along with the continuous upward movement of the buffer block 16, and because the second spring 28 is in the natural telescopic state, the upper part of the lifting block 13 is higher than the upper surface of the lower die 10. In the process of recovering the self-telescopic state of the second spring 28, the slide block 12 is pushed to move upwards, the lifting block 13 is driven to move upwards in the process of moving upwards of the slide block 12, and the lifting block 13 pushes down the punched instrument box adsorbed on the lower die 10, so that demoulding is completed.

EXAMPLE III

When the punched instrument box is tightly adsorbed on the lower die 10 and the second spring 28 still cannot release the punched instrument box from the die 10 through the slider 12 and the lifting block 13 in the process of recovering to the natural telescopic state, the controller 22 controls the first buffer rod 6 to extend, the first buffer rod 6 drives the extrusion block 11 to move upwards until the second wedge-shaped conductor 29 at the end part of the extrusion block 11 leaves between the two electromagnetic blocks 25, the first spring 8 is in the natural telescopic state at this time, and the two electromagnetic blocks 25 are attached to each other; at the moment, the controller controls the electromagnetic blocks 25 at the two sides to be electrified and generate attraction magnetic force, and after the two electromagnetic blocks 25 are magnetically adsorbed together, the first buffer rod 6 drives the lower die 10, the instrument box which is not demolded above the lower die, the pressing block 11 and the second wedge-shaped conductor 29 at the end part of the pressing block to move downwards, the electromagnetic blocks 25 at the two sides are electrified and magnetically attracted with each other to block the second wedge-shaped conductor 29 and the extrusion block 11 from moving downwards, the first buffer rod 6 can still drive the lower die 10 and the instrument box which is not demolded above the lower die to move downwards, at the moment, the extrusion block 11 and the slide block 12 move upwards relative to the lower die 10 and the instrument box which is not demolded above the lower die, at the moment, the second spring is gradually stretched, with the second spring 28 in the stretched state, the lift block 13 moves further upward, and the lift block 13 further rises above the upper surface of the lower mold 10 and separates the instrument cartridge for smooth demolding from the lower mold 10.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims (9)

1. The utility model provides a production of medical supplies apparatus box is with punching press auxiliary device, includes base platform (1), its characterized in that: four first buffer rods (6) are fixedly installed at the periphery of the middle part in the base table (1) at equal intervals, a chassis (7) is fixedly installed at the middle part of the middle end in the base table (1), a first groove body (24) is arranged in the chassis (7), first springs (8) are symmetrically arranged in the first groove body (24), an electromagnetic block (25) is fixed at one end, opposite to the first spring (8), of the first springs (8), a first wedge-shaped conductor (9) is arranged above the electromagnetic block (25), the other end of the first spring (8) is connected with a pressure sensor (26), and the pressure sensor (26) is embedded in the chassis (7);

the top parts of the four first buffer rods (6) are fixedly provided with lower dies (10), second groove bodies (27) are arranged in the lower dies (10), sliding blocks (12) are arranged in the second groove bodies (27), the lower parts of the sliding blocks (12) are connected with the second groove bodies through second springs (28), extrusion blocks (11) are arranged at the centers of the sliding blocks (12), second wedge-shaped conductors (29) corresponding to the first wedge-shaped conductors (9) are arranged at the end parts of the extrusion blocks (11), lifting blocks (13) are arranged at the top parts of the sliding blocks (12), and the lifting blocks (13) penetrate through the upper surfaces of the lower dies (10) and move up and down along with the sliding blocks (12);

an upper die (14) is fixedly installed in the middle of the top of the base table (1), a second buffer rod (18) is fixedly installed at the rear end of the top of the base table (1), a hydraulic cylinder (20) is fixedly installed at the top of the second buffer rod (18), a support frame (21) is fixedly installed on the back of the top of the base table (1), a top block (19) is fixedly installed at the front end of the bottom of the hydraulic cylinder (20), a pressing block (15) is fixedly installed on the periphery of the bottom of the top block (19), a third buffer rod (17) is fixedly installed in the middle of the bottom of the top block (19), a buffer block (16) is fixedly installed at the bottom of the third buffer rod (17), and a controller (22) is fixedly installed on the right side of the support frame (21);

the second spring (28) is compressed to an extreme position, the controller (22) controls the first buffer rod (6) to drive the pressing block (11) to move, the second wedge conductor (29) is in contact with and conducted with the first wedge conductor (9), conducted electric signals of the two are transmitted into the controller (22), under the action of the first spring (8), the inclined plane of the second wedge conductor (29) is kept in conduction with the inclined plane of the first wedge conductor (9), when the second wedge conductor (29) and the first wedge conductor (9) move relatively from a first position to a second position, the pressure difference measured by the pressure sensor (26) is delta F, the coefficient of the first spring (8) is k, and the inclination angle of the inclined plane of the second wedge conductor (29) and the first wedge conductor (9) is alpha, the first buffer rod (6) drives the lower die (10) to move in the vertical direction by a distance L ═ F tan alpha/k.

2. The stamping auxiliary device for producing the medical appliance and instrument box as claimed in claim 1, wherein: the movable base is characterized in that a movable groove (5) is formed in the front end of the top of the base platform (1), an electric control telescopic rod (2) is fixedly mounted on the right side of the movable groove (5), a movable block (3) is fixedly mounted on the left side of the electric control telescopic rod (2), a clamp (4) is fixedly mounted at the rear end of the top of the movable block (3), and a guide groove (23) is formed in the middle of the left side of the base platform (1).

3. The stamping auxiliary device for producing the medical appliance and instrument box as claimed in claim 2, wherein: anchor clamps (4) are including electric telescopic handle (41), the peripheral fixed mounting at electric telescopic handle (41) top has hinge ring (42), the equal fixed mounting in both ends of hinge ring (42) has arm lock (43), two the inboard equal fixed mounting of arm lock (43) has electromagnetic plate (44), the rear end fixed mounting of hinge ring (42) has stopper (45), the bottom fixed mounting of electric telescopic handle (41) is at the rear end at movable block (3) top.

4. The stamping auxiliary device for producing the medical appliance and instrument box as claimed in claim 1, wherein: inside chassis (7) first cell body (24) are including erecting groove and transverse groove, electromagnetism piece (25) are located erect the inslot, first spring (8) are located the transverse groove, first spring (8) stretch out the transverse groove and with electromagnetism piece (25) looks fixed connection, extrusion piece (11) downstream inserts two during between electromagnetism piece (25), electromagnetism piece (25) not with erect the inner wall in groove and contact.

5. The stamping auxiliary device for producing the medical appliance and instrument box as claimed in claim 1, wherein: the appearance structure of bed die (10) is unanimous with last mould (14), buffer block (16) are corresponding with the top of bed die (10), the round notch has been seted up at the top of going up mould (14), buffer block (16) are in the interior free up-and-down motion of round notch.

6. The pressing auxiliary device for producing the medical article instrument box according to claim 1 or 3, wherein: the upper die (14) is located in the middle of the top of the base table (1), the clamp (4) does not contact with the upper die (14) when moving to the middle of the base table (1), and the rear end of the clamp (4) is located at the top of the guide groove (23).

7. The stamping auxiliary device for producing the medical appliance and instrument box as claimed in claim 1, wherein: the number of the lifting blocks (13) is three, the lifting blocks (13) are uniformly distributed in an annular mode in the center of the sliding block (12), the lifting blocks (13) are pressed into the second groove body (27), and the second spring (28) is compressed to the limit position.

8. The stamping auxiliary device for producing the medical appliance and instrument box as claimed in claim 1, wherein: the electromagnetic blocks (25) on the two sides are electrified and magnetically attracted with each other to block the second wedge-shaped conductor (29) and the extrusion block (11) from moving downwards, and the lifting block (13) further lifts out of the upper surface of the lower die (10) and enables the stamping parts on the lower die (10) to be separated from the lower die (10).

9. The stamping auxiliary device for producing the medical appliance and instrument box as claimed in claim 1, wherein: the second spring (28) is in a natural telescopic state, the upper part of the lifting block (13) is higher than the upper surface of the lower die (10), the second spring (28) is in a stretched state, and the lifting block (13) further moves upwards.

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