Flat cutter die cutting device for mica sheet

Abstract

The invention relates to the technical field of insulation products, in particular to a flat knife die cutting device for mica sheets, which comprises a base, a sheet feeding mechanism and an air ejector pipe, and a flat knife module is arranged on the base and comprises an upper die holder and a lower die holder. By means of the assembly composed of the machine base, the sheet feeding mechanism and the air ejector pipe, the flat cutter die cutting mechanism capable of being matched with a cutting die to actively feed sheets is provided for mica sheet type cutting machining, manual sheet-by-sheet feeding is not needed, and therefore the mica sheet die cutting machining convenience is improved, the matching degree between sheet cutting and feeding work is better, the operation efficiency is higher, and the production efficiency is improved. Exhaust treatment can be carried out on the surfaces of the cutting dies at the opening and closing gaps of the upper cutting die and the lower cutting die each time, and impurities are blown on the surfaces of the cutting dies by utilizing pneumatic pressure of vertical operation insertion between the upper cutting die and the lower cutting die, so that the cleanliness of the surfaces of the cutting dies is improved, and the influence of dust particles of a previous cutting production line on the next cutting operation can be effectively avoided; and the cutting quality of the mica sheet is improved.

Description

Technical Field

[0001] The invention relates to the technical field of insulating products, and in particular to a flat knife die-cutting device for mica sheets. Background Art

[0002] As an insulating material, mica sheets play an important role in the manufacture of electronics and electrical appliances. By manufacturing and processing various types of insulating plates and pads, mica sheets provide high insulation and temperature resistance for key components such as circuit boards, power equipment, high-voltage electrical appliances, and motor windings, ensuring the safe and stable operation of the equipment.

[0003] In electrical appliance manufacturing, due to the different requirements for the insulation surface structure of different electrical components, it is generally produced by a flat knife die cutting machine in conjunction with a cutting die. The upper cutting die presses down on the lower cutting die, so that the mica original sheet is cut into the required shape of mica insulation sheet between the cutting dies.

[0004] In each cutting process of the existing mica sheets, after the upper group of mica original sheets are cut and processed, new mica original sheets need to be manually added to the cutting die in the opening and closing gap of the cutting die, resulting in high processing risk, low slicing continuity, and inability to clean and maintain the cutting die surface in the limited opening and closing gap, resulting in low quality of the mica sheet die-cutting products. Therefore, a flat knife die-cutting device for mica sheets is proposed. Summary of the invention

[0005] In view of the problems in the prior art, the present invention provides a flat knife die-cutting device for mica sheets, which provides a set of flat knife die-cutting mechanisms for mica sheet cutting that can cooperate with the cutting die to actively feed the sheets, and does not require manual feeding of each sheet. This improves the convenience of mica sheet die-cutting, improves the coordination between slicing and feeding, and increases the operating efficiency. In addition, the surface of the cutting die can be vented during the opening and closing gap of each upper and lower cutting die, and the pneumatic pressure inserted between the upper and lower cutting dies can be used to blow impurities off the surface of the cutting die, thereby improving the cleanliness of the cutting die surface. This can effectively avoid the influence of dust particles from the previous cutting production line on the next cutting operation, and improve the quality of mica sheet cutting.

[0006] The technical solution adopted by the present invention to solve the technical problem is a flat knife die-cutting device for mica sheets, comprising a machine base, a sheet feeding mechanism and an air jet pipe, wherein the flat knife die set is arranged on the machine base, the flat knife die set comprises an upper die set and a lower die set, and the upper die set is located at the bottom of the lower die set, the upper die set is installed at the bottom of the machine base, the lower die set is installed at the top of the machine base, the lower die set penetrates through the machine base and is provided with a lower cutting die, the top corners of the upper die set are respectively connected with guide columns, the top of the guide columns penetrate through the lower die set and is provided with a top plate, and the bottom of the top plate is provided with an upper cutting die;

[0007] A base is arranged at the bottom of the lower die seat, and a driving component is arranged inside the base.

[0008] By adopting the above technical scheme, through the components consisting of the machine base, the sheet feeding mechanism and the air jet pipe, a set of flat knife die-cutting mechanisms that can cooperate with the cutting die to actively feed the sheet is provided for the mica sheet cutting processing, without the need for manual feeding of each sheet, thereby improving the convenience of the mica sheet die-cutting processing, making the coordination between the slicing and feeding work better, and the operating efficiency higher. In addition, the surface of the cutting die can be vented during the opening and closing gap of each upper and lower cutting die, and the pneumatic pressure inserted between the upper and lower cutting dies is used to blow impurities on the surface of the cutting die, thereby improving the cleanliness of the cutting die surface, and effectively avoiding the influence of dust particles from the previous cutting production line on the next cutting operation, thereby improving the quality of mica sheet cutting.

[0009] Specifically, the driving component includes a motor installed on one side of the machine base, a main synchronous wheel is installed on the driving end of the motor, the main synchronous wheel is connected to a secondary synchronous wheel through a synchronous belt, the rotating shaft of the secondary synchronous wheel passes through the machine base and is installed with a first gear, a second gear is meshed at the bottom of the first gear, a third gear is meshed on one side of the second gear, and an eccentric shaft is installed at the center of the third gear through a key pin;

[0010] The auxiliary synchronous wheel, the second gear and the eccentric shaft are all rotatably connected to the machine base through bearings.

[0011] By adopting the above technical scheme, the driving component provides the upper die seat with a lifting force for reciprocating lifting, and provides the film feeding mechanism with a driving force for continuous automatic film feeding. In addition, during the period when the upper die seat is reciprocated and lifted by the driving component, air pressure can be formed inside the guide column on the upper die seat. Based on the air pressure, high pressure is continuously provided in the jet pipe to cooperate with the opening and closing gap between the upper cutting die and the lower cutting die to blow impurities on the surface of the cutting die, so as to ensure the stability of the next die-cutting operation and the quality of the mica sheet product after die-cutting.

[0012] Specifically, the eccentric shaft is provided with a lower sleeve, the top of the lower sleeve is connected to an upper sleeve, the upper sleeve is located in the middle of the upper die seat, and the center of the upper sleeve is rotatably connected to the upper die seat through a shaft and a bearing;

[0013] The bottom corners of the upper die seat are respectively connected with springs, an inner rod is inserted in the spring, a piston cavity is opened in the guide column, the top of the inner rod is inserted in the piston cavity, the bottom of the inner rod is connected with a rod seat, the rod seat and the base are fixed by bolts, a guide sleeve is provided on the outer periphery of the guide column, and the guide sleeve is fixed on the lower die seat.

[0014] By adopting the above technical solution, when the eccentric shaft rotates, the lower sleeve is reciprocatedly pulled based on the rotational diameter change of the eccentric shaft, so that the upper sleeve on the top of the lower sleeve reciprocates to push the upper die seat based on the pulling force, so that the upper die seat drives the guide column and the top plate thereon to reciprocate and rise and fall, and the upper cutting die at the bottom of the top plate reciprocates to press the lower cutting die, thereby realizing the pressing and cutting of the mica original sheet entering between the lower cutting die and the upper cutting die.

[0015] Specifically, a one-way air inlet valve is connected to the top of the piston chamber, exhaust channels are opened between the piston chambers at corresponding positions on both sides of the top plate, the exhaust end of the exhaust channel and the one-way exhaust valve is connected to the bottom of the top plate, and the air inlet end of the air injection pipe is connected to the exhaust end of the one-way exhaust valve;

[0016] The jet pipe is a metal shaped hose, the top of the inner rod is connected with a piston head, and the piston head is located in the piston cavity.

[0017] By adopting the above technical scheme, the guide column is lifted and lowered linearly between the base and the lower die seat based on the push of the upper die seat and the guidance of the guide sleeve, so that the piston cavity inside the guide column and the piston head on the inner rod perform reciprocating piston motion. When the upper die seat moves upward, external air enters the top of the piston cavity through the one-way air inlet valve. When the upper die seat moves downward, the air at the top of the piston cavity will be squeezed by the piston head and discharged from the one-way exhaust valve through the exhaust channel, and the air will be sprayed between the upper cutting die and the lower cutting die by the air jet pipe, so that the surfaces of the upper cutting die and the lower cutting die are blown clean, thereby ensuring the quality of the die in the process of continuously cutting the mica original sheet.

[0018] Specifically, one end of the eccentric shaft away from the third gear passes through the machine base and is installed with a first bevel tooth, one side of the first bevel tooth is meshed with a second bevel tooth, the center of the second bevel tooth is connected to a horizontal axis, both ends of the horizontal axis are rotatably connected to the machine base through bearing seats, and one end of the horizontal axis is connected to a lower synchronous wheel.

[0019] By adopting the above technical solution, the transmission force of the motor is transmitted from the first bevel gear to the second bevel gear based on the eccentric shaft.

[0020] Specifically, the film feeding mechanism is arranged on one side of the machine base and includes a feeding platform, a first screw rod and a second screw rod are respectively arranged on the top of both sides of the feeding platform, guide rods are respectively arranged at the bottom of the first screw rod and the second screw rod, end blocks are respectively connected to the corners of the top of the feeding platform, the shaft heads at both ends of the first screw rod and the second screw rod are respectively rotatably connected to the end blocks at corresponding positions through bearings, the two ends of the guide rod are inserted into the end blocks at corresponding positions and fixed to the end blocks by bolts, a material frame for stacking mica raw sheets is arranged on the top of the feeding platform, wire blocks are respectively connected on both sides of the material frame, the top of the wire block is threadedly connected to the first screw rod or the second screw rod at the corresponding position, and the bottom of the wire block is sleeved with the guide rod at the corresponding position.

[0021] By adopting the above technical solution, the mica original sheets required for die-cutting are stacked and placed through the material frame.

[0022] Specifically, the shaft heads at one end of the first screw rod and the second screw rod both pass through the end block and are equipped with corresponding screw rod synchronous wheels, and the screw rod synchronous wheels are connected by a synchronous belt;

[0023] An upper synchronous wheel is installed on the shaft head of the first screw rod away from the screw rod synchronous wheel at one end, and the upper synchronous wheel is connected to the lower synchronous wheel through a synchronous belt.

[0024] By adopting the above technical solution, the horizontal axis on the second bevel tooth transmits power to the upper synchronous wheel through the lower synchronous wheel, so that the lower synchronous wheel rotates with the first screw rod, and based on the synchronous connection between the screw rod and the synchronous wheel, the first screw rod and the second screw rod rotate synchronously, so that the wire blocks on the first screw rod and the second screw rod drive the material frame to reciprocate on the feeding platform.

[0025] Specifically, a feeding groove with a width corresponding to the feeding end at the bottom of the material frame is provided on the top surface of the feeding platform, the feeding end of the feeding groove extends to the top of the lower die seat, and a feeding wheel set is provided on the top of the feeding groove;

[0026] The feeding wheel group includes a first wheel rod, a second wheel rod and a third wheel rod, the second wheel rod and the third wheel rod are respectively arranged on both sides of the first wheel rod, and the first wheel rod, the second wheel rod and the third wheel rod are all located in the feeding platform, the first wheel rod, the second wheel rod and the third wheel rod are rotatably connected to the feeding platform at both ends through bearings, and rubber wheels are equidistantly sleeved on the first wheel rod, the second wheel rod and the third wheel rod, the top of the rubber wheel passes through the discharge groove, and the top height of the rubber wheel is consistent with the top height of the lower cutting die, and a discharge ladder is arranged at the bottom of the lower cutting die, the discharge ladder is installed in the lower die seat, and the discharge end of the discharge ladder passes through the discharge machine seat.

[0027] By adopting the above technical solution, during the reciprocating movement of the material frame on the feeding platform, the mica sheet at the bottom of the material frame loses the support of the feeding platform and falls into the feeding groove based on the height difference between the feeding groove and the feeding platform, and the mica sheet is supported by the rubber wheel in the feeding groove.

[0028] Specifically, the ends of the first wheel rod, the second wheel rod and the third wheel rod are all installed with corresponding wheel rod synchronous wheels, and the wheel rod synchronous wheels are connected by a synchronous belt;

[0029] The shaft head at one end of the first wheel rod passes through the feeding platform and is installed with a first side synchronous wheel, and the end of the second screw rod away from the screw rod synchronous wheel is connected to the second side synchronous wheel, and the first side synchronous wheel and the second side synchronous wheel are connected by a synchronous belt.

[0030] By adopting the above technical solution, during the rotation of the second screw rod, the second side synchronous wheel on the second screw rod synchronously drives the first side synchronous wheel on the first wheel rod to rotate, and based on the synchronous cooperation of the wheel rod synchronous wheels on the first wheel rod, the second wheel rod and the third wheel rod, the rubber wheels on the first wheel rod, the second wheel rod and the third wheel rod rotate synchronously, and the mica original sheet falling on the rubber wheel is rolled onto the lower cutting die, so that the mica original sheet is automatically fed during the up and down operation of the upper cutting die on the lower cutting die, without the need for manual reciprocating feeding, thereby improving the convenience of mica sheet processing.

[0031] The beneficial effects of the present invention are as follows: through the components consisting of a machine base, a sheet feeding mechanism and an air jet pipe, a set of flat knife die-cutting mechanisms that can cooperate with the cutting die to actively feed the sheet is provided for mica sheet cutting processing, and there is no need for manual feeding of each sheet, thereby improving the convenience of mica sheet die-cutting processing, making the coordination between slicing and feeding work better, and the operating efficiency higher. In addition, the surface of the cutting die can be exhausted in the opening and closing gap of each upper and lower cutting die, and the pneumatic pressure inserted between the upper and lower cutting dies is used to blow impurities on the surface of the cutting die, thereby improving the cleanliness of the surface of the cutting die, and effectively avoiding the influence of dust particles of the previous cutting production line on the next cutting operation, thereby improving the quality of mica sheet cutting, and solving the problem that in each cutting process of the existing mica sheet, a new mica original sheet needs to be manually added to the cutting die in the opening and closing gap of the cutting die, resulting in high processing risk, low slicing continuity, and inability to clean and maintain the surface of the cutting die in the limited opening and closing gap, resulting in low quality of the mica sheet die-cutting products. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0033] Figure 1 It is an overall diagram of the present invention;

[0034] Figure 2 For the present invention Figure 1 Enlarged view of point A in the middle;

[0035] Figure 3 For the present invention Figure 1 Enlarged view of point B in the middle;

[0036] Figure 4 It is a schematic diagram of the structure of the lower die base of the present invention;

[0037] Figure 5 It is a schematic diagram of the bottom structure of the base of the present invention;

[0038] Figure 6 It is a schematic diagram of the bottom structure of the upper die base of the present invention;

[0039] Figure 7 It is a schematic diagram of the front cross section of the guide column of the present invention;

[0040] Figure 8 It is a schematic diagram of the driving component of the present invention;

[0041] Fig. 9 It is a top view schematic diagram of the driving component of the present invention;

[0042] Fig.10 It is a schematic diagram of the structure of the feeding wheel group of the present invention;

[0043] In the figure: machine base 1, base 2, lower die base 3, lower cutting die 31, discharge ladder 32, upper die base 4, guide column 41, piston chamber 411, inner rod 412, piston head 413, exhaust channel 414, one-way air intake valve 415, spring 417, rod seat 418, guide sleeve 42, film feeding mechanism 5, feeding platform 51, end block 501, first screw rod 52, second screw rod 53, guide rod 54, material frame 55, wire block 56, unloading groove 57, feeding wheel group 58, first wheel rod 581, second wheel rod 582, third Wheel rod 583, rubber wheel 584, wheel rod synchronous wheel 585, first side synchronous wheel 586, screw synchronous wheel 59, upper synchronous wheel 510, second side synchronous wheel 511, top plate 6, upper cutting die 61, driving component 7, motor 71, main synchronous wheel 72, auxiliary synchronous wheel 73, first gear 74, second gear 75, third gear 76, eccentric shaft 77, first bevel gear 771, second bevel gear 772, horizontal shaft 773, lower synchronous wheel 774, lower sleeve 78, upper sleeve 79, jet pipe 8, one-way exhaust valve 81. DETAILED DESCRIPTION

[0044] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0045] In order to improve the convenience of mica sheet die-cutting processing, make the slicing and feeding work better, and make the operation more efficient, as an embodiment of the present invention, Figures 1 to 10 As shown, a flat knife die-cutting device for mica sheets according to the present invention comprises a machine base 1, a sheet feeding mechanism 5 and an air jet pipe 8, wherein the flat knife die set is arranged on the machine base 1, and the flat knife die set comprises an upper die base 4 and a lower die base 3, wherein the upper die base 4 is located at the bottom of the lower die base 3, the upper die base 4 is installed at the bottom of the machine base 1, the lower die base 3 is installed at the top of the machine base 1, the lower die base 3 penetrates through the machine base 1 and is provided with a lower cutting die 31, the top corners of the upper die base 4 are respectively connected with guide columns 41, the top of the guide columns 41 penetrates through the lower die base 3 and is provided with a top plate 6, and the bottom of the top plate 6 is provided with an upper cutting die 61;

[0046] A base 2 is disposed at the bottom of the lower die base 3 , and a driving component 7 is disposed inside the base 2 .

[0047] When in use, the machine base 1, the sheet feeding mechanism 5 and the air jet pipe 8 provide a set of flat knife die-cutting mechanisms for the mica sheet cutting processing, which can cooperate with the cutting die to actively feed the sheet. There is no need for manual feeding of each sheet, thereby improving the convenience of the mica sheet die-cutting processing, making the coordination between the slicing and feeding work better, and the operating efficiency higher. In addition, the surface of the cutting die can be vented during the opening and closing gap of each upper and lower cutting die, and the pneumatic pressure inserted between the upper and lower cutting dies can be used to blow impurities on the surface of the cutting die, thereby improving the cleanliness of the cutting die surface, effectively avoiding the influence of dust particles from the previous cutting production line on the next cutting operation, and improving the quality of mica sheet cutting.

[0048] For example, Figure 8 , 9 As shown, the present invention also includes that the driving component 7 includes a motor 71 installed on one side of the machine base 1, a main synchronous wheel 72 is installed on the driving end of the motor 71, and the main synchronous wheel 72 is connected to a secondary synchronous wheel 73 through a synchronous belt, and the rotating shaft of the secondary synchronous wheel 73 passes through the machine base 1 and is installed with a first gear 74, a second gear 75 is meshed with the bottom of the first gear 74, and a third gear 76 is meshed with one side of the second gear 75, and an eccentric shaft 77 is installed at the center of the third gear 76 through a key pin;

[0049] The auxiliary synchronous wheel 73, the second gear 75 and the eccentric shaft 77 are all rotatably connected to the base 1 through bearings.

[0050] When in use, the motor 71 drives the main synchronous wheel 72 to rotate, so that the first gear 74 on the secondary synchronous wheel 73 synchronously connected to the main synchronous wheel 72 rotates, and based on the meshing of the first gear 74, the second gear 75 and the third gear 76, the third gear 76 drives the eccentric shaft 77 to rotate through the driving force of the motor 71.

[0051] In order to provide driving force for the eccentric shaft to complete the pressing and cutting process of the mica original sheet by the lower cutting die and the upper cutting die, for example, Figure 4 , 5 As shown in , 6, 7, 8, and 9, the present invention also includes that a lower sleeve 78 is sleeved on the eccentric shaft 77, an upper sleeve 79 is connected to the top of the lower sleeve 78, the upper sleeve 79 is located in the middle of the upper die seat 4, and the center of the upper sleeve 79 is rotatably connected to the upper die seat 4 through a shaft and a bearing;

[0052] The bottom corners of the upper die seat 4 are respectively connected with springs 417, an inner rod 412 is inserted in the spring 417, a piston cavity 411 is opened in the guide column 41, the top of the inner rod 412 is inserted in the piston cavity 411, the bottom of the inner rod 412 is connected with a rod seat 418, the rod seat 418 is fixed to the base 2 by bolts, a guide sleeve 42 is sleeved on the outer periphery of the guide column 41, and the guide sleeve 42 is fixed to the lower die seat 3.

[0053] When in use, the eccentric shaft 77 converts the driving force of the motor 71 into a pushing and pulling movement on the upper sleeve 79 above the lower sleeve 78, and when the eccentric shaft 77 rotates, the lower sleeve 78 is reciprocated and pushed based on the rotation and diameter change of the eccentric shaft 77, so that the upper sleeve 79 on the top of the lower sleeve 78 pushes the upper mold base 4 reciprocatingly based on the pushing and pulling force, so that the upper mold base 4 drives the guide column 41 and the top plate 6 thereon to rise and fall reciprocally, and the upper cutting mold 61 at the bottom of the top plate 6 reciprocates and presses the lower cutting mold 31 to achieve the pressing and cutting processing of the mica original sheet entering between the lower cutting mold 31 and the upper cutting mold 61.

[0054] In order to ensure the quality of use in the process of continuous die cutting of mica original sheets, illustratively, the present invention also includes that a one-way air inlet valve 415 is connected to the top of the piston chamber 411, and exhaust channels 414 are respectively opened between the piston chambers 411 at corresponding positions on both sides of the top plate 6, and the exhaust end of the exhaust channel 414 and the bottom of the top plate 6 are connected to a one-way exhaust valve 81, and the air inlet end of the air injection pipe 8 is connected to the exhaust end of the one-way exhaust valve 81;

[0055] The jet pipe 8 is a metal shaped hose, and the top of the inner rod 412 is connected to a piston head 413 , and the piston head 413 is located in the piston chamber 411 .

[0056] When in use, the guide column 41 moves up and down in a straight line, and the piston chamber 411 inside the guide column 41 and the piston head 413 on the inner rod 412 perform reciprocating piston motion. When the upper mold base 4 moves upward, external air enters the top of the piston chamber 411 through the one-way air inlet valve 415. When the upper mold base 4 moves downward, the air at the top of the piston chamber 411 will be squeezed by the piston head 413 and discharged from the one-way exhaust valve 81 through the exhaust channel 414, and sprayed between the upper cutting die 61 and the lower cutting die 31 by the jet pipe 8, so that the surfaces of the upper cutting die 61 and the lower cutting die 31 are blown clean, thereby ensuring the quality of use of the cutting die in the process of continuously cutting the mica original sheet.

[0057] For example, Figure 8 , 9 As shown, the present invention also includes that one end of the eccentric shaft 77 away from the third gear 76 passes through the base 1 and is installed with a first bevel tooth 771, one side of the first bevel tooth 771 is meshed with a second bevel tooth 772, the center of the second bevel tooth 772 is connected to a horizontal axis 773, both ends of the horizontal axis 773 are rotatably connected to the base 1 through a bearing seat, and one end of the horizontal axis 773 is connected to a lower synchronous wheel 774.

[0058] When in use, the eccentric shaft 77 transmits the driving force of the motor 71 from the first bevel teeth 771 to the second bevel teeth 772 .

[0059] For example, Figure 1 , 3 As shown in , 10, the present invention also includes that the film feeding mechanism 5 is arranged on one side of the machine base 1, and includes a feeding platform 51, and the tops of both sides of the feeding platform 51 are respectively provided with a first screw rod 52 and a second screw rod 53, and the bottoms of the first screw rod 52 and the second screw rod 53 are respectively provided with a guide rod 54, and the top corners of the feeding platform 51 are respectively connected with end blocks 501, and the shaft heads at both ends of the first screw rod 52 and the second screw rod 53 are respectively rotatably connected with the end blocks 501 at corresponding positions through bearings, and the two ends of the guide rod 54 are inserted into the end blocks 501 at corresponding positions and fixed to the end blocks 501 by bolts, and a material frame 55 for stacking mica raw sheets is arranged on the top of the feeding platform 51, and wire blocks 56 are respectively connected on both sides of the material frame 55, and the top of the wire block 56 is threadedly connected to the first screw rod 52 or the second screw rod 53 at the corresponding position, and the bottom of the wire block 56 is sleeved with the guide rod 54 at the corresponding position.

[0060] The shaft heads at one end of the first screw rod 52 and the second screw rod 53 both pass through the end block 501 and are installed with corresponding screw rod synchronous wheels 59, and the screw rod synchronous wheels 59 are connected by a synchronous belt;

[0061] An upper synchronous wheel 510 is installed on the shaft head of the first screw rod 52 at one end away from the screw rod synchronous wheel 59, and the upper synchronous wheel 510 is connected to the lower synchronous wheel 774 through a synchronous belt.

[0062] When in use, the horizontal axis 773 on the second bevel tooth 772 is used to transmit power to the upper synchronous wheel 510 through the lower synchronous wheel 774, so that the lower synchronous wheel 774 drives the first screw rod 52 to rotate, and based on the synchronous connection between the screw rod synchronous wheel 59, the first screw rod 52 and the second screw rod 53 are rotated synchronously, so that the wire blocks 56 on the first screw rod 52 and the second screw rod 53 drive the material frame 55 to reciprocate on the feeding platform 51.

[0063] For example, Figure 1 , 3 As shown in 10, the present invention also includes that the top surface of the feeding platform 51 is provided with a feeding groove 57 with a width corresponding to the bottom discharge end of the material frame 55, the discharge end of the feeding groove 57 extends to the top of the lower die base 3, and the top of the feeding groove 57 is provided with a feeding wheel set 58;

[0064] The feeding wheel group 58 includes a first wheel rod 581, a second wheel rod 582 and a third wheel rod 583, the second wheel rod 582 and the third wheel rod 583 are respectively arranged on both sides of the first wheel rod 581, and the first wheel rod 581, the second wheel rod 582 and the third wheel rod 583 are all located in the feeding platform 51, and the first wheel rod 581, the second wheel rod 582 and the third wheel rod 583 are rotatably connected to the feeding platform 51 at both ends through bearings, and rubber wheels 584 are equidistantly sleeved on the first wheel rod 581, the second wheel rod 582 and the third wheel rod 583, the top of the rubber wheel 584 passes through the discharge groove 57, and the top height of the rubber wheel 584 is consistent with the top height of the lower cutting die 31, and a discharge ladder 32 is arranged at the bottom of the lower cutting die 31, and the discharge ladder 32 is installed in the lower die base 3, and the discharge end of the discharge ladder 32 passes through the discharge machine base 1.

[0065] When in use, the feeding platform 51 supports the material sheet at the bottom of the material frame 55. During the reciprocating movement of the material frame 55 on the feeding platform 51, the mica material sheet at the bottom of the material frame 55 loses the support of the feeding platform 51 and falls into the feeding groove 57 based on the height difference between the feeding groove 57 and the feeding platform 51. The mica material sheet is supported by the rubber wheel 584 in the feeding groove 57.

[0066] In order to automatically feed the material without manual reciprocating feeding, the convenience of mica sheet processing is improved. Exemplarily, the present invention also includes that the ends of the first wheel rod 581, the second wheel rod 582 and the third wheel rod 583 are all equipped with corresponding wheel rod synchronous wheels 585, and the wheel rod synchronous wheels 585 are connected by synchronous belts;

[0067] The shaft head at one end of the first wheel rod 581 passes through the feeding platform 51 and is installed with a first side synchronous wheel 586. The end of the second screw rod 53 away from the screw rod synchronous wheel 59 is connected to the second side synchronous wheel 511. The first side synchronous wheel 586 and the second side synchronous wheel 511 are connected by a synchronous belt.

[0068] When in use, the rotating second screw rod 53 is utilized to drive the second side synchronous wheel 511 to rotate, so that the two side synchronous wheels 511 synchronously drive the first side synchronous wheel 586 on the first wheel rod 581 to rotate, and based on the synchronous cooperation of the wheel rod synchronous wheels 585 on the first wheel rod 581, the second wheel rod 582 and the third wheel rod 583, the rubber wheels 584 on the first wheel rod 581, the second wheel rod 582 and the third wheel rod 583 are synchronously rotated, and the mica original sheet falling on the rubber wheel 584 is rolled onto the lower cutting die 31, so that the mica original sheet is automatically fed during the up and down operation of the upper cutting die 61 on the lower cutting die 31, without the need for manual reciprocating loading, thereby improving the convenience of mica sheet processing.

[0069] When the present invention is in use, the mica original sheets to be die-cut are stacked and placed in the material frame 55 of the sheet feeding mechanism 5, and the main synchronous wheel 72 is driven to rotate by the motor 71, so that the first gear 74 on the secondary synchronous wheel 73 synchronously connected with the main synchronous wheel 72 rotates, and based on the meshing of the first gear 74, the second gear 75 and the third gear 76, the third gear 76 drives the eccentric shaft 77 to rotate through the driving force of the motor 71, and the eccentric shaft 77 transmits the transmission force of the motor 71 from the first bevel tooth 771 to the second bevel tooth 772, so that the second bevel tooth 772 rotates, and the power is transmitted to the upper synchronous wheel 510 through the lower synchronous wheel 774 through the transverse shaft 773 on the second bevel tooth 772, so that the lower synchronous wheel 774 rotates with the first screw rod 52, and based on the screw rod The synchronous connection between the synchronous wheels 59 enables the first screw rod 52 and the second screw rod 53 to rotate synchronously, so that the wire block 56 on the first screw rod 52 and the second screw rod 53 drives the material frame 55 to reciprocate on the feeding platform 51. During this period, the material sheet at the bottom of the material frame 55 is supported by the feeding platform 51. During the reciprocating movement of the material frame 55 on the feeding platform 51, the mica sheet at the bottom of the material frame 55 loses the support of the feeding platform 51 and falls into the unloading groove 57 based on the height difference between the unloading groove 57 and the feeding platform 51. The mica sheet is supported by the rubber wheel 584 in the unloading groove 57. During the rotation of the second screw rod 53, the second screw rod 53 drives the second side synchronous wheel 511 to rotate, so that the two side synchronous wheels 511 synchronously drive the first The first side synchronous wheel 586 on the wheel rod 581 rotates, and based on the synchronous cooperation of the wheel rod synchronous wheel 585 on the first wheel rod 581, the second wheel rod 582 and the third wheel rod 583, the rubber wheel 584 on the first wheel rod 581, the second wheel rod 582 and the third wheel rod 583 rotate synchronously, and the mica original sheet falling on the rubber wheel 584 is rolled onto the lower cutting die 31, so that the mica original sheet is automatically fed during the up and down operation of the upper cutting die 61 on the lower cutting die 31, without the need for manual reciprocating feeding, thereby improving the convenience of mica sheet processing. At the same time, the eccentric shaft 77 converts the driving force of the motor 71 into a top-pull movement of the upper sleeve 79 above the lower sleeve 78, and when the eccentric shaft 77 rotates, the lower sleeve 78 reciprocates and top-pull based on the rotation and diameter change of the eccentric shaft 77. The upper sleeve 79 on the top of the lower sleeve 78 pushes the upper die holder 4 back and forth based on the top pulling force, so that the upper die holder 4 drives the guide column 41 and the top plate 6 thereon to rise and fall back and forth, so that the upper cutting die 61 at the bottom of the top plate 6 performs a reciprocating pressing movement on the lower cutting die 31, thereby realizing the pressing and cutting of the mica original sheet entering between the lower cutting die 31 and the upper cutting die 61, and the pressed and cut mica sheet products are discharged to the outside by the discharge ladder 32, and the scraps retained on the lower cutting die 31 are pushed out by the lower group of mica original sheets rolled in by the rubber wheel 584, so as to realize automatic unloading. During the linear lifting and lowering operation of the guide column 41, the piston chamber 411 inside the guide column 41 and the piston head 413 on the inner rod 412 perform a reciprocating piston movement. When the upper die holder 4 goes up,External air enters the top of the piston cavity 411 through the one-way air inlet valve 415. During the downward movement of the upper die holder 4, the air at the top of the piston cavity 411 is squeezed by the piston head 413 and discharged through the exhaust passage 414 by the one-way exhaust valve 81, and is sprayed between the upper cutting die 61 and the lower cutting die 31 by the air jet pipe 8, so that the surfaces of the upper cutting die 61 and the lower cutting die 31 are blown clean, thereby ensuring the quality of the cutting die in the process of continuously cutting the mica original sheet.

[0070] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A flat knife die cutting device for mica sheets, characterized in that: The flat knife die set comprises a machine base (1), a film feeding mechanism (5) and an air injection pipe (8), wherein the flat knife die set is arranged on the machine base (1), and the flat knife die set comprises an upper die base (4) and a lower die base (3), wherein the upper die base (4) is located at the bottom of the lower die base (3), the upper die base (4) is installed at the bottom of the machine base (1), the lower die base (3) is installed at the top of the machine base (1), a lower cutting die (31) is installed at the top of the lower die base (3) passing through the machine base (1), guide columns (41) are connected at the top corners of the upper die base (4), the top of the guide columns (41) passes through the lower die base (3) and a top plate (6) is installed, and an upper cutting die (61) is installed at the bottom of the top plate (6); A base (2) is provided at the bottom of the lower die base (3), and a driving component (7) is provided inside the base (2).

2. A flat knife die cutting device for mica sheets according to claim 1, characterized in that: The driving component (7) comprises a motor (71) installed on one side of the machine base (1); a main synchronous wheel (72) is installed on the driving end of the motor (71); the main synchronous wheel (72) is connected to a secondary synchronous wheel (73) via a synchronous belt; the rotating shaft of the secondary synchronous wheel (73) passes through the machine base (1) and is installed with a first gear (74); a second gear (75) is meshed at the bottom of the first gear (74); a third gear (76) is meshed at one side of the second gear (75); an eccentric shaft (77) is installed at the center of the third gear (76) via a key pin; The auxiliary synchronous wheel (73), the second gear (75) and the eccentric shaft (77) are all rotatably connected to the machine base (1) via bearings.

3. A flat knife die cutting device for mica sheets according to claim 2, characterized in that: The eccentric shaft (77) is sleeved with a lower sleeve (78), the top of the lower sleeve (78) is connected to an upper sleeve (79), the upper sleeve (79) is located in the middle of the upper die seat (4), and the center of the upper sleeve (79) is rotatably connected to the upper die seat (4) through a shaft and a bearing; The bottom corners of the upper die seat (4) are respectively connected with springs (417), an inner rod (412) is inserted in the spring (417), a piston cavity (411) is opened in the guide column (41), the top of the inner rod (412) is inserted in the piston cavity (411), the bottom of the inner rod (412) is connected with a rod seat (418), the rod seat (418) is fixed to the base (2) by bolts, and a guide sleeve (42) is sleeved on the outer periphery of the guide column (41), and the guide sleeve (42) is fixed on the lower die seat (3).

4. A flat knife die cutting device for mica sheets according to claim 3, characterized in that: The top of the piston chamber (411) is connected to a one-way air intake valve (415), exhaust channels (414) are provided between the piston chambers (411) at corresponding positions on both sides of the top plate (6), the exhaust end of the exhaust channel (414) located at the bottom of the top plate (6) is connected to a one-way exhaust valve (81), and the air intake end of the air injection pipe (8) is connected to the exhaust end of the one-way exhaust valve (81); The jet pipe (8) is a metal shaped hose, the top of the inner rod (412) is connected to a piston head (413), and the piston head (413) is located in the piston chamber (411).

5. A flat knife die cutting device for mica sheets according to claim 4, characterized in that: One end of the eccentric shaft (77) away from the third gear (76) passes through the machine base (1) and is installed with a first bevel tooth (771); one side of the first bevel tooth (771) is meshed with a second bevel tooth (772); the center of the second bevel tooth (772) is connected to a transverse axis (773); both ends of the transverse axis (773) are rotatably connected to the machine base (1) through a bearing seat; one end of the transverse axis (773) is connected to a lower synchronous wheel (774).

6. A flat knife die cutting device for mica sheets according to claim 5, characterized in that: The film feeding mechanism (5) is arranged on one side of the machine base (1) and comprises a feeding platform (51). A first screw rod (52) and a second screw rod (53) are respectively arranged on the top of both sides of the feeding platform (51). A guide rod (54) is respectively arranged on the bottom of the first screw rod (52) and the second screw rod (53). End blocks (501) are respectively connected to the corners of the top of the feeding platform (51). The shaft heads at both ends of the first screw rod (52) and the second screw rod (53) are respectively connected to the end blocks (501) at the corresponding positions through bearings. 501) is rotatably connected, both ends of the guide rod (54) are inserted into the end blocks (501) at corresponding positions and fixed to the end blocks (501) by bolts, a material frame (55) for stacking mica raw sheets is arranged on the top of the feeding platform (51), and wire blocks (56) are respectively connected to the two sides of the material frame (55), the top of the wire block (56) is threadedly connected to the first screw rod (52) or the second screw rod (53) at the corresponding position, and the bottom of the wire block (56) is sleeved with the guide rod (54) at the corresponding position.

7. A flat knife die cutting device for mica sheets according to claim 6, characterized in that: One end shaft head of the first screw rod (52) and the second screw rod (53) both pass through the end block (501) and are equipped with corresponding screw rod synchronous wheels (59), and the screw rod synchronous wheels (59) are connected by a synchronous belt; An upper synchronous wheel (510) is mounted on the shaft head of one end of the first screw rod (52) away from the screw rod synchronous wheel (59), and the upper synchronous wheel (510) is connected to the lower synchronous wheel (774) via a synchronous belt.

8. A flat knife die cutting device for mica sheets according to claim 7, characterized in that: The top surface of the feeding platform (51) is provided with a feeding groove (57) having a width corresponding to the feeding end at the bottom of the material frame (55); the feeding end of the feeding groove (57) extends to the top of the lower die base (3); and a feeding wheel set (58) is provided at the top of the feeding groove (57); The feeding wheel group (58) comprises a first wheel rod (581), a second wheel rod (582) and a third wheel rod (583), wherein the second wheel rod (582) and the third wheel rod (583) are respectively arranged on both sides of the first wheel rod (581), and the first wheel rod (581), the second wheel rod (582) and the third wheel rod (583) are all located in the feeding platform (51), and the first wheel rod (581), the second wheel rod (582) and the third wheel rod (583) are connected to the feeding platform (51) at both ends through bearings. The first wheel rod (581), the second wheel rod (582) and the third wheel rod (583) are equidistantly sleeved with rubber wheels (584), the top of the rubber wheel (584) passes through the discharge groove (57), and the top height of the rubber wheel (584) is consistent with the top height of the lower cutting die (31), and a discharge ladder (32) is provided at the bottom of the lower cutting die (31), the discharge ladder (32) is installed in the lower die base (3), and the discharge end of the discharge ladder (32) passes through the discharge machine base (1).

9. A flat knife die cutting device for mica sheets according to claim 8, characterized in that: The ends of the first wheel rod (581), the second wheel rod (582) and the third wheel rod (583) are all installed with corresponding wheel rod synchronous wheels (585), and the wheel rod synchronous wheels (585) are connected by a synchronous belt; The shaft head at one end of the first wheel rod (581) passes through the feeding platform (51) and is installed with a first side synchronous wheel (586); the end of the second screw rod (53) away from the screw rod synchronous wheel (59) is connected to the second side synchronous wheel (511); the first side synchronous wheel (586) and the second side synchronous wheel (511) are connected by a synchronous belt.

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