阅读说明：本技术 一种薄膜冲压装置 (Film stamping device ) 是由 涂新玲 于 2021-07-20 设计创作，主要内容包括：本发明公开了一种薄膜冲压装置,包括上模座,所述上模座下端面固设有冲头,所述上模座内设有能补偿所述冲头进刀量的补偿装置,所述上模座下端面固设有关于所述冲头左右位置对称的第一弹簧,所述第一弹簧下端面固设有压料板；本发明设有磨刀装置,磨刀时不用再将冲头卸下,减少了装配误差,通过冲头检测器内检测到冲头伸入冲槽的伸入量,通过第一限位滑块随时控制冲头的伸入量,通过设有的张紧轮能将薄膜张紧撑平,收料轮能够自动将加工好的薄膜卷起,通过密封块能闭合形成气腔,在气腔内充入高压气体,高压将冲槽口处的薄膜撑起。(The invention discloses a film stamping device, which comprises an upper die base, wherein a punch is fixedly arranged on the lower end surface of the upper die base, a compensation device capable of compensating the feed amount of the punch is arranged in the upper die base, a first spring which is symmetrical with the punch in the left-right position is fixedly arranged on the lower end surface of the upper die base, and a material pressing plate is fixedly arranged on the lower end surface of the first spring; the film collecting device is provided with the knife sharpening device, a punch does not need to be dismounted when sharpening is carried out, the assembly error is reduced, the extending amount of the punch extending into the punching groove is detected by the punch detector, the extending amount of the punch is controlled at any time by the first limiting slide block, the film can be tensioned and supported flatly by the tensioning wheel, the material collecting wheel can automatically roll up the processed film, the sealing block can be closed to form an air cavity, high-pressure gas is filled in the air cavity, and the film at the opening of the punching groove is supported by high pressure.)

1. The utility model provides a film stamping device, includes the upper die base, its characterized in that: a punch is fixedly arranged on the lower end surface of the upper die base, a compensation device capable of compensating the feed amount of the punch is arranged in the upper die base, a first spring which is symmetrical about the punch in left and right positions is fixedly arranged on the lower end surface of the first spring, a pressure plate is fixedly arranged on the lower end surface of the first spring, a punch hole which penetrates through the upper surface and the lower surface of the pressure plate and is in sliding connection with the punch is arranged in the pressure plate, guide sleeves which are symmetrical about the left and right positions and penetrate through the upper surface and the lower surface of the upper die base are fixedly arranged in the upper die base, a guide sleeve cavity which penetrates through the upper surface and the lower surface of the guide sleeve is arranged in the guide sleeve, a lower die base is arranged below the pressure plate, a punching groove with an upward opening is arranged on the upper end surface of the lower die base, guide posts which correspond to the positions of the guide sleeves are symmetrically arranged on the left and right positions of the upper end surface of the lower die base, a large arm which is symmetrical about the left and right positions is arranged on the upper end of the lower die base, and a bracket which is fixedly connected with the large arm, the film-tensioning device is characterized in that a moving block which can be connected with the lower die holder in a sliding mode is arranged on the bracket in a sliding mode, a knife sharpening device capable of sharpening a knife edge for the punch is arranged in the moving block, tensioning devices capable of tensioning a film are symmetrically arranged on the front side wall and the rear side wall of the lower die holder, a first sliding cavity is communicated and arranged below the notching groove, a pneumatic device capable of blowing and blowing the film is arranged in the first sliding cavity, and a blanking cavity with a downward opening is communicated and arranged below the first sliding cavity.

2. A film stamping apparatus as claimed in claim 1, wherein: the compensation device comprises first limiting sliding grooves which are arranged in the upper die base in a symmetrical mode and are provided with downward openings, a first motor is arranged on the top wall of each first limiting sliding groove, a first screw rod is arranged on the lower end face of the first motor, a first limiting sliding block which is in threaded connection and is in sliding connection with the first limiting sliding grooves is arranged on the first screw rod, and a punch detector is arranged on the front side wall of the punching groove.

3. A film stamping apparatus as claimed in claim 1, wherein: the knife sharpening device comprises second limiting slide blocks which are arranged on the left side wall and the right side wall of the moving block and are symmetrical in position, a second limiting sliding groove with an opening facing to one side close to the moving block and connected with the second limiting sliding block in a sliding manner is arranged in the big arm, the side wall of the second limiting slide block, which is far away from one side of the moving block, is provided with a second motor, the end surface of the second motor, which is far away from one side of the moving block, is provided with a second rotating shaft, a first straight gear is fixedly arranged on the end surface of one side of the second rotating shaft, which is far away from the moving block, a rack meshed with the first straight gear is arranged on the bottom wall of the second limiting chute, an induction cavity is arranged in the moving block, an inductor is arranged on the bottom wall of the induction cavity, an induction sliding block connected with the bottom wall of the induction cavity through a second spring is arranged in the induction cavity in a sliding manner, the upper end face of the induction sliding block is provided with a third motor, and the upper end face of the third motor is provided with a third rotating shaft penetrating through the top wall of the induction cavity.

4. A film stamping apparatus as claimed in claim 3, wherein: the improved sharpening device is characterized in that a working cavity with an upward opening is arranged above the sensing cavity, the third rotating shaft extends into the working cavity, a sharpening block is fixedly arranged at the top end of the third rotating shaft, a sharpening cavity with an upward opening is arranged in the sharpening block, first channels penetrating through the bottom wall of the sharpening block are symmetrically arranged at the left and right positions of the bottom wall of the sharpening cavity, a storage cavity is arranged behind the sensing cavity, a filter block is arranged on the top wall of the storage cavity, a filter cavity is arranged in the filter block and communicated with the working cavity through a second channel, a cooling liquid storage box is arranged on the bottom wall of the storage cavity and is provided with a cooling liquid storage box, a cooling liquid storage cavity with an upward opening is arranged in the cooling liquid storage box, the cooling liquid storage cavity is communicated with the working cavity through a third channel, and a water pump is arranged on the third channel.

5. A film stamping apparatus as claimed in claim 1, wherein: the tensioning device comprises discharging wheel supports which are symmetrically arranged on the left side wall and the right side wall of the lower die holder and are fixedly connected with the lower die holder, discharging wheel rotating shafts which are positioned in front of the lower die holder are rotatably arranged between the discharging wheel supports, discharging wheels are fixedly arranged on the discharging wheel rotating shafts, fixedly connected receiving wheel supports are symmetrically arranged on the left side wall and the right side wall of the lower die holder, a fifth motor is arranged on the side wall of the left receiving wheel support, which is close to the symmetric center of the receiving wheel support, a receiving wheel rotating shaft which extends into the right receiving wheel support is arranged on the end surface of the fifth motor, which is close to one side of the symmetric center of the receiving wheel support, a receiving wheel is fixedly arranged on the receiving wheel rotating shaft, a tensioning wheel set is arranged above the receiving wheel rotating shaft, and comprises a tensioning wheel support which is fixedly connected with the left side wall and the right side wall of the lower die holder in a symmetrical manner, the tensioning wheel support is internally provided with a fourth limiting sliding groove with an opening facing the symmetric center of the tensioning wheel support, a fourth limiting sliding block in sliding connection is arranged in the fourth limiting sliding groove, the fourth limiting sliding block is connected with the side wall of the fourth limiting sliding groove through a fifth spring, the fourth limiting sliding blocks are connected through a tensioning wheel rotating shaft, and a tensioning wheel is rotatably arranged on the tensioning wheel rotating shaft.

6. A film stamping apparatus as claimed in claim 1, wherein: the pneumatic device comprises a fifth limiting sliding groove, the fifth limiting sliding groove is arranged in the first sliding cavity, the position of the front side wall and the rear side wall of the first sliding cavity is symmetrical, the fifth limiting sliding groove is communicated with the first sliding cavity, a first driver is arranged on the side wall of one side of the symmetry center of the fifth limiting sliding groove, the first driver is close to the end face of one side of the symmetry center of the fifth limiting sliding groove and is provided with a sixth screw, a sixth limiting sliding block is arranged on the sixth screw and is in sliding connection with the fifth limiting sliding groove, the sixth limiting sliding block is close to the end face of one side of the symmetry center of the fifth limiting sliding groove and is provided with a sealing block, a gas pipe penetrating through the side wall of the sealing block is arranged in the sealing block, and the gas pipe is externally connected with a gas source.

Technical Field

The invention relates to the field of film stamping, in particular to a film stamping device.

Background

Films made from polyvinyl chloride, polyethylene, polypropylene, polystyrene, and other resins are used for packaging, and as a film coating. The plastic package and the plastic package products occupy more and more share in the market, particularly the composite plastic flexible package is widely applied to the fields of food, medicine, chemical industry and the like, and the products bring great convenience to the life of people.

The application of plastic film and extensive, involve each field, consequently, the shape requirement to plastic film also increases, wherein just including punching a hole to plastic film, because of the film has stronger toughness, just be difficult to break the film completely when the drift is sharp inadequately, once having punched still the manual work with the film pull out and the exhibition is flat, very troublesome, the drift also can not be broken the film completely because of wearing and tearing can not reach suitable income modulus, the toughness that current film punching equipment can't overcome the film reaches fine blanking effect.

Disclosure of Invention

The present invention is directed to a film stamping apparatus for overcoming the above-mentioned disadvantages of the prior art.

The film stamping device comprises an upper die base, wherein a punch is fixedly arranged on the lower end surface of the upper die base, a compensation device capable of compensating the feed amount of the punch is arranged in the upper die base, a first spring which is symmetrical about the left and right positions of the punch is fixedly arranged on the lower end surface of the upper die base, a pressure plate is fixedly arranged on the lower end surface of the first spring, a punch hole which penetrates through the upper and lower surfaces of the pressure plate and is in sliding connection with the punch is arranged in the pressure plate, guide sleeves which are symmetrical about the left and right positions and penetrate through the upper and lower surfaces of the upper die base are fixedly arranged in the upper die base, a guide sleeve cavity which penetrates through the upper and lower surfaces of the guide sleeves is arranged in the guide sleeves, a lower die base is arranged below the pressure plate, a stamping groove with an upward opening is arranged on the upper end surface of the lower die base, guide posts which correspond to the positions of the guide sleeves are symmetrically arranged about the left and right positions of the stamping groove are arranged on the upper end surface of the lower die base, the punching die is characterized in that a bracket connected with the big arm is fixedly arranged at the rear end of the big arm, a moving block capable of being connected with the lower die holder in a sliding mode is arranged on the bracket in a sliding mode, a knife sharpening device capable of sharpening a knife edge by the punch is arranged in the moving block, tensioning devices capable of tensioning a film are symmetrically arranged on the front side wall and the rear side wall of the lower die holder, a first sliding cavity is communicated and arranged below the punching groove, a pneumatic device capable of blowing the film is arranged in the first sliding cavity, and a blanking cavity with a downward opening is communicated and arranged below the first sliding cavity.

According to the technical scheme, the compensation device comprises first limiting sliding grooves which are arranged in the upper die base and are symmetrical in the front and back positions and are provided with downward openings, a first motor is arranged on the top wall of each first limiting sliding groove, a first screw rod is arranged on the lower end face of the first motor, a first limiting sliding block which is in threaded connection with the first limiting sliding grooves in a sliding mode is arranged on the first screw rod, a punch detector is arranged on the front side wall of each punch, when the punch detector detects that the extending amount of a punch is insufficient, the first motor is started and drives the first screw rod to rotate, the first limiting sliding block on the first screw rod converts the rotation of the first screw rod into vertical movement under the action of threads and the first limiting sliding grooves, and the spacing distance between the upper die base and a pressure plate can be controlled, and the purpose of controlling the falling amount of the punch is achieved.

According to a further technical scheme, the knife grinding device comprises second limiting slide blocks which are arranged on the left side wall and the right side wall of the moving block and are symmetrical in position, second limiting slide grooves which are provided with openings facing to one side close to the moving block and are connected with the second limiting slide blocks in a sliding mode are arranged in the large arm, a second motor is arranged on the side wall, away from the moving block, of the second limiting slide blocks, a second rotating shaft is arranged on the end face, away from the moving block, of the second motor, a first straight gear is fixedly arranged on the end face, away from the moving block, of the second rotating shaft, a rack meshed with the first straight gear is arranged on the bottom wall of the second limiting slide grooves, an induction cavity is arranged in the moving block, an inductor is arranged on the bottom wall of the induction cavity, an induction slide block connected with the bottom wall of the induction cavity through a second spring is arranged in the induction cavity in a sliding mode, and a third motor is arranged on the upper end face of the induction slide block, the upper end surface of the third motor is provided with a third rotating shaft penetrating through the top wall of the induction cavity, a working cavity with an upward opening is arranged above the induction cavity, the third rotating shaft extends into the working cavity, the top end of the third rotating shaft is fixedly provided with a knife grinding block, the knife grinding block is internally provided with a knife grinding cavity with an upward opening, the left and right positions of the bottom wall of the knife grinding cavity are symmetrically provided with first channels penetrating through the bottom wall of the knife grinding block, the rear part of the induction cavity is provided with a storage cavity, the top wall of the storage cavity is provided with a filter block, the filter block is internally provided with a filter cavity, the filter cavity is communicated with the working cavity through a second channel, the bottom wall of the storage cavity is provided with a cooling liquid storage box, the cooling liquid storage box is internally provided with a cooling liquid storage cavity with an upward opening, the cooling liquid storage cavity is communicated with the working cavity through a third channel, and the third channel is provided with a water pump, when the knife is needed to be sharpened, when the second motor is started, the second motor drives the first straight gear to rotate through the second rotating shaft, the second limiting slide block converts the rotation of the first straight gear into forward and backward sliding under the action of the rack and the second limiting slide groove, the moving block is driven to move to the sharpening position, the punch head descends to fall into the sharpening cavity, the punch head supports against the sharpening block to move downwards, the sharpening block drives the induction slide block to move downwards through the third rotating shaft, when the induction slide block is detected to be close by the inductor, the third motor is started, the third motor drives the sharpening block to rotate through the third rotating shaft, the function of sharpening is realized, meanwhile, the water pump is started to pump the cooling liquid in the cooling liquid storage cavity to the sharpening working position through the third channel, the working cooling liquid flows into the working cavity from the first channel, then flows into the filtering cavity through the second channel, and flows into the cooling liquid storage cavity through the filtering block, the function of the cooling cycle is completed.

According to a further technical scheme, the tensioning device comprises discharging wheel supports which are symmetrically arranged on the left side wall and the right side wall of the lower die holder and fixedly connected with the lower die holder, discharging wheel rotating shafts which are positioned in front of the lower die holder are rotatably arranged between the discharging wheel supports, discharging wheels are fixedly arranged on the discharging wheel rotating shafts, fixedly connected receiving wheel supports are symmetrically arranged on the left side wall and the right side wall of the lower die holder, a fifth motor is arranged on the side wall of the left receiving wheel support close to the symmetric center of the receiving wheel support, a receiving wheel rotating shaft extending into the right receiving wheel support is arranged on the end face of the fifth motor close to the symmetric center of the receiving wheel support, a receiving wheel is fixedly arranged on the receiving wheel rotating shaft, a tensioning wheel group is arranged above the receiving wheel rotating shaft, and the tensioning wheel group comprises tensioning wheel supports which are symmetrically arranged on the left side wall and the right side wall of the lower die holder and fixedly connected with the lower die holder, the film collecting device is characterized in that a fourth limiting sliding groove with an opening facing the symmetrical center of the tensioning wheel support is formed in the tensioning wheel support, a fourth limiting sliding block in sliding connection is arranged in the fourth limiting sliding groove, the fourth limiting sliding block is connected with the side wall of the fourth limiting sliding groove through a fifth spring, the fourth limiting sliding blocks are connected through a tensioning wheel rotating shaft, a tensioning wheel is rotatably arranged on the tensioning wheel rotating shaft, when the fifth motor is started, the fifth motor drives the material collecting wheel to rotate through the material collecting wheel rotating shaft, the material collecting wheel drives a film wound on the material collecting wheel to move, the film is pulled out of the material discharging wheel, and then the tensioning wheel connected with the fourth limiting sliding block tensions the film under the action of the fifth spring, so that the film is supported and leveled.

In a further technical scheme, the pneumatic device comprises a fifth limiting sliding groove which is arranged in the first sliding cavity, is symmetrical about the front side wall and the rear side wall of the first sliding cavity and is communicated with the first sliding cavity, a first driver is arranged on the side wall of the fifth limiting sliding groove, which is far away from the symmetrical center of the fifth limiting sliding groove, a sixth screw is arranged on the end surface of the first driver, which is close to the symmetrical center of the fifth limiting sliding groove, a sixth limiting slide block which is connected with the fifth limiting sliding groove in a sliding manner is arranged on the sixth screw, a sealing block is arranged on the end surface of the sixth limiting slide block, which is close to the symmetrical center of the fifth limiting sliding groove, an air pipe which penetrates through the side wall of the sealing block is arranged in the sealing block, the air pipe is externally connected with an air source, when the punch detector detects that a punch approaches, the first driver is started, and the first driver drives the sixth screw to rotate, the sixth limiting slide block on the sixth screw rod converts the rotation of the sixth screw rod into forward and backward movement under the action of the threads and the fifth limiting sliding groove, the sixth screw rod pushes the sealing block to be closed to form an air cavity, then high-pressure gas is blown out from the air pipe, the film at the position of the groove punching port is compacted and tightened by the aid of the material pressing plate in a matching mode, the toughness of the film can be overcome by the punch, the film is punched more easily, and punched waste materials fall into the air cavity and fall into the blanking cavity when the sealing block returns to the first sliding cavity.

The invention has the beneficial effects that: the device is provided with the knife grinder, when the knife is needed to be ground, the moving block can be moved to the position below the punch by starting the second motor, the cutting edge of the punch is ground to be sharp by the knife grinder, the punch is not required to be dismounted when the knife is ground, the moving block is mounted after being ground, the assembly error is reduced, and meanwhile, the labor intensity of workers is reduced;

can prop the film tensioning through the take-up pulley flat, receive the material wheel and can be rolled up the processed film automatically, it goes to prop flat and roll up the film material area with the film to go by the manual work, reduce intensity of labour, can closed formation air cavity through sealed piece, fill into high-pressure gas in the air cavity, the film of notching department is propped up to the high pressure, the film compaction that the material board will be notching department is tightened up to the cooperation, when the drift falls down, make the film not descend along with the drift together, the toughness of film can be overcome to the messenger's drift, let the film more easily by the blanking.

Drawings

FIG. 1 is a schematic external view of a film stamping apparatus according to the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 taken at A-A in accordance with the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2 at B-B in accordance with the present invention;

FIG. 4 is a schematic view of the knife sharpener of FIG. 2 according to the present invention;

FIG. 5 is a schematic view of the structure of FIG. 4 at C-C in accordance with the present invention;

FIG. 6 is a schematic view of the pneumatic device of FIG. 2 according to the present invention;

FIG. 7 is a schematic diagram of the compensating device of FIG. 2 according to the present invention;

FIG. 8 is a schematic view of the tensioner of FIG. 2 of the present invention;

FIG. 9 is a schematic diagram of the structure of FIG. 8 at D-D in accordance with the present invention;

fig. 10 is a schematic diagram of the structure of fig. 8 at E-E in accordance with the present invention.

Detailed Description

For purposes of making the objects and advantages of the present invention more apparent and the invention is more clearly described below in connection with the following examples, it is to be understood that the following text is intended merely to describe a film stamping apparatus or several specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed, as used herein, the terms upper, lower, left and right are not limited to their strict geometric definition, but include tolerances for machining or human error rationality and inconsistency, the specific features of which are detailed below:

referring to the attached drawings, the film stamping device according to the embodiment of the invention comprises an upper die holder 17, a punch 15 is fixedly arranged on the lower end surface of the upper die holder 17, a compensation device 101 capable of compensating the feed amount of the punch 15 is arranged in the upper die holder 17, a first spring 16 which is symmetrical with respect to the punch 15 in the left-right position is fixedly arranged on the lower end surface of the upper die holder 17, a pressure plate 13 is fixedly arranged on the lower end surface of the first spring 16, a punch hole 14 which penetrates through the upper and lower surfaces of the pressure plate 13 and is slidably connected with the punch 15 is arranged in the pressure plate 13, a guide sleeve 18 which is symmetrical in the left-right position and penetrates through the upper and lower surfaces of the upper die holder 17 is fixedly arranged in the upper die holder 17, a guide sleeve cavity 27 which penetrates through the upper and lower surfaces of the guide sleeve 18 is arranged in the guide sleeve 18, a lower die holder 1 is arranged below the pressure plate 13, a stamping slot 6 with an upward opening is arranged on the upper end surface of the lower die holder 1, guide posts 12 which correspond to the guide sleeve 18 are symmetrical in the left-right position on the upper end surface of the lower die holder 1, the upper end surface of the lower die holder 1 is provided with a large arm 7 which is symmetrical with the notching 6 in the left-right direction, the rear end of the large arm 7 is fixedly provided with a bracket 44 connected with the large arm 7, the bracket 44 is provided with a moving block 9 which can be slidably connected with the lower die holder 1 in a sliding manner, a knife sharpening device 102 which can sharpen a knife edge of the punch 15 is arranged in the moving block 9, tensioning devices 103 which can tension a film are symmetrically arranged on the front side wall and the rear side wall of the lower die holder 1 in the front-rear direction, a first sliding cavity 45 is communicated below the notching 6, a pneumatic device 104 which can blow the film is arranged in the first sliding cavity 45, and a blanking cavity 5 with a downward opening is communicated below the first sliding cavity 45.

Advantageously or exemplarily, the compensation device 101 comprises first limiting chutes 52 which are arranged in the upper die holder 17 and are symmetrical in front and back positions and open downwards, the top wall of the first limit chute 52 is provided with a first motor 53, the lower end surface of the first motor 53 is provided with a first screw 51, a first limit slide block 50 which is connected with the first limit slide groove 52 in a threaded manner and is in sliding connection with the first screw 51 is arranged on the first screw, a punch detector 63 is arranged on the front side wall of the punch groove 6, when the punch detector 63 detects that the extending amount of the punch 15 is insufficient, the first motor 53 is started, the first motor 53 drives the first screw 51 to rotate, the first limit slide block 50 on the first screw 51 converts the rotation of the first screw 51 into up-and-down movement under the action of the thread and the first limit slide groove 52, namely, the spacing distance between the upper die holder 17 and the material pressing plate 13 can be controlled, so as to achieve the purpose of controlling the descending amount of the punch 15.

Beneficially or exemplarily, the knife sharpening device 102 includes second limiting sliding blocks 21 disposed on left and right side walls of the moving block 9 and symmetrically disposed, a second limiting sliding groove 8 having an opening facing to a side close to the moving block 9 and slidably connected to the second limiting sliding blocks 21 is disposed in the large arm 7, a second motor 22 is disposed on a side wall of the second limiting sliding block 21 away from the moving block 9, a second rotating shaft 23 is disposed on an end surface of the second motor 22 away from the moving block 9, a first straight gear 25 is fixedly disposed on an end surface of the second rotating shaft 23 away from the moving block 9, a rack 26 meshed with the first straight gear 25 is disposed on a bottom wall of the second limiting sliding groove 8, an induction cavity 10 is disposed in the moving block 9, an inductor 42 is disposed on a bottom wall of the induction cavity 10, and an induction sliding block 29 connected to a bottom wall of the induction cavity 10 through a second spring 28 is slidably disposed in the induction cavity 10, the upper end face of the induction sliding block 29 is provided with a third motor 30, the upper end face of the third motor 30 is provided with a third rotating shaft 31 penetrating through the top wall of the induction cavity 10, a working cavity 11 with an upward opening is arranged above the induction cavity 10, the third rotating shaft 31 extends into the working cavity 11, the top end of the third rotating shaft 31 is fixedly provided with a grinding cutter block 32, a grinding cutter cavity 33 with an upward opening is arranged in the grinding cutter block 32, first channels 34 penetrating through the bottom wall of the grinding cutter block 32 are symmetrically arranged at the left and right positions of the bottom wall of the grinding cutter cavity 33, a storage cavity 39 is arranged at the rear part of the induction cavity 10, a filter block 37 is arranged on the top wall of the storage cavity 39, a filter cavity 38 is arranged in the filter block 37, the filter cavity 38 is communicated with the working cavity 11 through a second channel 36, the bottom wall of the storage cavity 39 is provided with a cooling liquid storage box 40, a cooling liquid storage cavity 41 with an upward opening is arranged in the cooling liquid storage box 40, the cooling liquid storage cavity 41 is communicated with the working cavity 11 through a third channel 35, a water pump 43 is arranged on the third channel 35, when the knife sharpening is needed, when the second motor 22 is started, the second motor 22 drives the first straight gear 25 to rotate through the second rotating shaft 23, the second limiting slide block 21 converts the rotation of the first straight gear 25 into forward and backward sliding under the action of the rack 26 and the second limiting slide groove 8, the moving block 9 is driven to move to the knife sharpening position, then the punch 15 descends to fall into the knife sharpening cavity 33, the punch 15 presses the knife sharpening block 32 to move downwards, the sharpening block 32 drives the induction slide block 29 to move downwards through the third rotating shaft 31, when the inductor 42 detects that the induction slide block 29 is close to the induction slide block, the third motor 30 is started, the third motor 30 drives the sharpening block 32 to rotate through the third rotating shaft 31, the knife sharpening function is realized, meanwhile, the water pump 43 is started to pump the cooling liquid in the cooling liquid storage cavity 41 to the working position through the third channel 35, the working coolant flows into the working chamber 11 through the first passage 34, then flows into the filter chamber 38 through the second passage 36, and flows into the coolant storage chamber 41 through the filter block 37, thereby completing the cooling cycle.

Beneficially or exemplarily, the tensioning device 103 includes discharging wheel supports 54 disposed at left and right side walls of the lower die holder 1 symmetrically and fixedly connected to the lower die holder 1, a discharging wheel rotating shaft 93 disposed at the front of the lower die holder 1 is rotatably disposed between the discharging wheel supports 54, a discharging wheel 92 is fixedly disposed on the discharging wheel rotating shaft 93, receiving wheel supports 67 fixedly connected to the left and right side walls of the lower die holder 1 are symmetrically disposed, a fifth motor 60 is disposed on a side wall of the left receiving wheel support 67 close to a symmetric center of the receiving wheel support 67, a receiving wheel rotating shaft 66 extending into the right receiving wheel support 67 is disposed on an end surface of the fifth motor 60 close to the symmetric center of the receiving wheel support 67, a receiving wheel 65 is fixedly disposed on the receiving wheel rotating shaft 66, and tensioning wheel sets 70 symmetric with respect to the front and rear positions of the lower die holder 1 are disposed above the receiving wheel rotating shaft 66, the tensioning wheel set 70 comprises tensioning wheel brackets 55 fixedly connected with the left and right side walls of the lower die holder 1, fourth limiting sliding grooves 77 with openings facing the symmetrical center of the tensioning wheel brackets 55 are arranged in the tensioning wheel brackets 55, fourth limiting sliding blocks 59 connected with each other in a sliding manner are arranged in the fourth limiting sliding grooves 77, the fourth limiting sliding blocks 59 are connected with the side walls of the fourth limiting sliding grooves 77 through fifth springs 58, the fourth limiting sliding blocks 59 are connected with each other through tensioning wheel rotating shafts 57, tensioning wheels 56 are rotatably arranged on the tensioning wheel rotating shafts 57, when the fifth motor 60 is started, the fifth motor 60 drives the material receiving wheel 65 to rotate through the material receiving wheel rotating shaft 66, the material receiving wheel 65 drives the film wound on the material receiving wheel 65 to move, the film is pulled out from the material discharging wheel 92, and then the tensioning wheels 56 connected with the fourth limiting sliding blocks 59 tension the film under the action of the fifth springs 58, the function of flattening the film is achieved.

Advantageously or exemplarily, the pneumatic device 104 includes a fifth limiting sliding groove 48 disposed in the first sliding chamber 45 and symmetrical with respect to the front and rear side walls of the first sliding chamber 45, and communicating with the first sliding chamber 45, a first driver 49 is disposed on the side wall of the fifth limiting sliding groove 48 away from the symmetrical center of the fifth limiting sliding groove 48, a sixth screw 47 is disposed on the end surface of the first driver 49 close to the symmetrical center of the fifth limiting sliding groove 48, a sixth limiting slider 46 slidably connected with the fifth limiting sliding groove 48 is disposed on the sixth screw 47, a sealing block 19 is disposed on the end surface of the sixth limiting slider 46 close to the symmetrical center of the fifth limiting sliding groove 48, an air tube 20 penetrating through the side wall of the sealing block 19 is disposed in the sealing block 19, the air tube 20 is externally connected with an air source, when the punch detector 63 detects that the punch 15 is close, the first driver 49 is started, the first driver 49 drives the sixth screw rod 47 to rotate, the sixth limiting slide block 46 on the sixth screw rod 47 converts the rotation of the sixth screw rod 47 of the punch 7 into forward and backward movement under the action of threads and the fifth limiting sliding groove 48, the sixth screw rod 47 pushes the sealing block 19 to be closed to form the air cavity 4, then high-pressure air is blown out from the air pipe 20, the film at the position of the punching groove 6 is compacted and tightened by matching with the pressure plate 13, the punch 15 can overcome the toughness of the film, the film is easier to be blanked, the flushed waste materials fall into the air cavity 4, and the flushed waste materials fall into the blanking cavity 5 when the sealing block 19 returns to the first sliding cavity 45.

The invention relates to a film stamping device, which comprises the following working procedures:

when the tool is required to be sharpened, when the second motor 22 is started, the moving block 9 is driven to move to the sharpening position, then the punch 15 drives the induction sliding block 29 to move downwards, when the inductor 42 detects that the induction sliding block 29 approaches, the third motor 30 is started, the third motor 30 drives the sharpening block 32 to rotate, the function of sharpening is realized, meanwhile, the water pump 43 is started to pump cooling liquid to the sharpening working position to cool the punch 15 and the induction sliding block 29, and the function of cooling circulation is completed; when the punching is needed, the fifth motor 60 is started, the fifth motor 60 drives the material receiving wheel 65 to rotate, the material receiving wheel 65 drives the film wound on the material receiving wheel 65 to move, the film is pulled out of the material discharging wheel 92, then the tensioning wheel 56 connected with the fourth limiting sliding block 59 tensions the film under the action of the fifth spring 58 to play a role of leveling and tensioning the film, then the punch 15 descends, when the punch detector 63 detects that the punch 15 approaches, the first driver 49 is started, the first driver 49 drives the sealing block 19 to close to form the air cavity 4, then high-pressure air is blown out from the air pipe 20, the film at the position of the punching groove 6 is compacted and tensioned by matching with the material pressing plate 13, the punch 15 can overcome the toughness of the film, the film is easier to be punched, the punched waste falls into the air cavity 4, and falls into the material falling cavity 5 when the sealing block 19 returns to the first sliding cavity 45; when the punch detector 63 detects that the amount of the punch 15 inserted is insufficient, the first motor 53 is started, and the first motor 53 pushes out the first limit slider 50, so that the distance between the upper die base 17 and the material pressing plate 13 can be controlled, and the purpose of controlling the amount of the punch 15 to descend can be achieved.

The invention has the beneficial effects that: the device is provided with the knife grinder, when the knife is needed to be ground, the moving block can be moved to the position below the punch by starting the second motor, the cutting edge of the punch is ground to be sharp by the knife grinder, the punch is not required to be dismounted when the knife is ground, the moving block is mounted after being ground, the assembly error is reduced, and meanwhile, the labor intensity of workers is reduced;

can prop the film tensioning through the take-up pulley flat, receive the material wheel and can be rolled up the processed film automatically, it goes to prop flat and roll up the film material area with the film to go by the manual work, reduce intensity of labour, can closed formation air cavity through sealed piece, fill into high-pressure gas in the air cavity, the film of notching department is propped up to the high pressure, the film compaction that the material board will be notching department is tightened up to the cooperation, when the drift falls down, make the film not descend along with the drift together, the toughness of film can be overcome to the messenger's drift, let the film more easily by the blanking.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.