Laser mold removal dust removal equipment

Abstract

The present invention relates to the field of laser die cutting technology, and in particular to a laser die cutting dust removal device, including a machine, a laser die cutting dust collection box, a bottom die dust removal device and a laser cutting device, the two sides of the laser die cutting dust collection box are respectively provided with through holes and die cutting openings corresponding to the through holes, the bottom end of the laser die cutting dust collection box is connected with a dust collection pipe, the through holes and the die cutting openings are both connected with the inner cavity of the laser die cutting dust collection box, the bottom die dust removal device is provided with a die cutting bottom die, the die cutting bottom die is provided with a die cutting hole, the die cutting bottom die is exposed in the die cutting opening, a feeding gap is provided between the laser die cutting dust collection box and the die cutting bottom die, and the laser emitted by the laser cutting device sequentially passes through the through holes and the die cutting openings to cut the material that is in contact with the die cutting bottom die. The present invention uses the laser die cutting dust collection box and the bottom die dust removal device to remove dust from the front and back sides of the pole piece material strip respectively, and the dust removal effect is good, which avoids the accumulation of dust or the attachment of dust to the pole piece material strip to affect the quality of laser die cutting.

Description

Technical Field

[0001] The invention relates to the technical field of laser die cutting, in particular to a laser die cutting dust removal device. Background Art

[0002] Lithium-ion batteries are batteries made by winding or stacking positive and negative electrodes into the required battery cells and then injecting electrolytes and other processes. In the manufacturing process of the electrode sheets, laser die-cutting equipment is required to cut the electrode sheets, and dust will be generated during the cutting process. If this dust adheres to the electrode sheet coil and is brought into the subsequent process, or even rolled into the battery, it will easily pierce the diaphragm in the battery cell, causing a micro-short circuit in the battery, or even a battery explosion. Existing laser cutting is mainly performed on the bottom mold, which is equipped with a dust suction port to remove dust by negative pressure, but this form of dust removal effect and die-cutting quality are poor. Therefore, the defects are very obvious, and a solution is urgently needed. Summary of the invention

[0003] In order to solve the above technical problems, the object of the present invention is to provide a laser die cutting dust removal device with good dust removal effect and good laser die cutting quality.

[0004] In order to achieve the above object, the present invention adopts the following technical solution:

[0005] A laser die cutting dust removal device comprises a machine platform, a laser die cutting dust collection box installed on the machine platform, a bottom die dust removal device arranged on one side of the laser die cutting dust collection box and a laser cutting device arranged on the other side of the laser die cutting dust collection box, the laser die cutting dust collection box is respectively provided with through holes and die cutting openings arranged corresponding to the through holes on both sides, the bottom end of the laser die cutting dust collection box is connected with a dust collection pipe, the through holes and the die cutting opening are both connected with the inner cavity of the laser die cutting dust collection box, the bottom die dust removal device is provided with a die cutting bottom die for contacting materials, the die cutting bottom die is provided with a die cutting hole, the die cutting bottom die is exposed at the die cutting opening, a feeding gap for materials to pass through is provided between the side of the laser die cutting dust collection box away from the laser cutting device and the die cutting bottom die, the laser emitted by the laser cutting device cuts the materials contacted by the die cutting bottom die after passing through the through holes and the die cutting opening in turn.

[0006] Furthermore, the bottom end of the dust suction pipe is connected to a dust collector.

[0007] Furthermore, a plurality of air blowing holes and a plurality of air blowing grooves are provided on the top of the laser die-cutting dust collecting box, and each air blowing hole is connected to the inner cavity of the laser die-cutting dust collecting box via an air blowing groove.

[0008] Furthermore, the dust suction pipe is equipped with a baffle, one end of the baffle protrudes into the dust suction pipe, and the other end of the baffle protrudes into the die-cutting opening. The dust suction pipe includes a dust suction section and a waste section extending outward from the middle of the dust suction section toward the bottom mold dust removal device. The dust suction section and one side of the baffle are arranged to form a dust suction port, and the dust suction port is connected to the bottom end of the laser die-cutting dust suction box. The waste section and the other side of the baffle are arranged to form a waste port, and the waste port is located below the feeding gap.

[0009] Furthermore, the bottom mold dust removal device includes a dust removal seat, a magnet and a positioning piece. The dust removal seat is arranged on the machine table. The dust removal seat is provided with a dust removal cavity, an air flow hole connected to one end of the dust removal cavity and an exhaust hole connected to the other end of the dust removal cavity. The die-cutting bottom mold is magnetically attracted to the dust removal seat via the magnet and covers the dust removal cavity. The positioning piece is inserted between the die-cutting bottom mold and the dust removal seat and is used to position the die-cutting bottom mold on the dust removal seat.

[0010] Furthermore, the die-cutting bottom die is T-shaped, and a T-shaped recessed surface is recessed on one side of the dust removal seat close to the die-cutting bottom die, and the dust removal cavity is recessed inward from the recessed surface, and the die-cutting bottom die is accommodated in the recessed surface; the dust removal seat is provided with two limit plates, and the two limit plates are respectively located on both sides of the dust removal cavity, and two limit slide grooves are formed between the ends of the two limit plates close to each other and the recessed surface, and the two sides of the die-cutting bottom die are respectively accommodated in the two limit slide grooves.

[0011] Furthermore, the positioning member is a positioning pin, the die-cutting bottom die is provided with a first positioning hole, the dust removal seat is provided with a second positioning hole connected to the first positioning hole, and the positioning end of the positioning member passes through the first positioning hole and is inserted into the second positioning hole; one end of the positioning member protruding from the die-cutting bottom die is provided with a limiting head for contacting the die-cutting bottom die, and the limiting head is provided with a pull ring.

[0012] Furthermore, the machine is mounted on a shell, the laser die-cutting dust box, the bottom die dust removal device and the laser cutting device are all located inside the shell, and a plurality of rollers for guiding materials are rotatably arranged inside the shell.

[0013] Furthermore, the laser cutting device includes a laser generator located on a side of the laser die-cutting dust box away from the bottom die dust removal device and a position adjustment mechanism installed on the machine platform and used to adjust the laser die-cutting position of the laser generator.

[0014] Furthermore, the machine is equipped with a distance adjuster for driving the laser die-cutting dust box to move closer to or away from the die-cutting bottom die to adjust the size of the feeding gap.

[0015] The beneficial effects of the present invention are as follows: during actual operation, the pole piece strip passes through the feeding gap from top to bottom, the die-cutting bottom die contacts the pole piece strip, and the pole piece strip at the die-cutting bottom die is the portion to be laser die-cut, and the laser emitted by the laser cutting device passes through the through hole and the die-cutting opening in turn to cut the pole piece strip at the die-cutting bottom die, thereby realizing the pole ear cutting of the pole piece strip; dust will be generated in the process of cutting the pole piece strip, and at this time the vacuum cleaner sucks air into the dust suction pipe to absorb the dust in the laser die-cutting dust suction box, and the laser die-cutting dust suction box vacuums the front side of the pole piece strip that contacts the die-cutting bottom die, and at the same time, the bottom die dust removal device removes dust from the back side of the pole piece strip that contacts the die-cutting bottom die to avoid dust adhering to the pole piece strip, so as to ensure the quality of cutting the pole piece strip. The present invention removes dust from the front and back sides of the pole piece strip respectively through a laser die-cutting dust collection box and a bottom die dust removal device, and has a good dust removal effect, thereby preventing dust accumulation or dust adhesion on the pole piece strip to affect the quality of laser die-cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the present invention after the shell is hidden.

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of the present invention from another viewing angle after the shell is hidden.

[0019] Figure 4 It is a schematic structural diagram of the laser die-cut dust collection box and dust collection tube of the present invention.

[0020] Figure 5 It is a schematic diagram of the three-dimensional structure of the bottom mold dust removal device of the present invention.

[0021] Figure 6 It is a schematic diagram of the exploded structure of the bottom mold dust removal device of the present invention.

[0022] Figure 7 It is a schematic diagram of the three-dimensional structure of the vacuum cleaner of the present invention.

[0023] Figure 8 It is a schematic diagram of the exploded structure of the vacuum cleaner of the present invention.

[0024] Description of reference numerals:

[0025] 01. Material; 1. Die-cutting bottom die; 11. First positioning hole; 12. Die-cutting hole; 13. Feeding gap; 2. Dust removal seat; 21. Dust removal chamber; 22. Second positioning hole; 24. Concave surface; 25. Second accommodating hole; 26. Straight cavity section; 27. Expanding cavity section; 28. Air flow hole; 3. Magnet; 4. Positioning piece; 41. Limiting head; 42. Pull ring; 43. Elastic protrusion; 5. Limiting plate; 51. Limiting slide; 7. Exhaust pipe joint; 8. Guide roller; 9. Fixed seat; 91. Positioning slide; 92. Third positioning hole; 93. Fixed hole; 10. Air inlet box; 101. Air inlet chamber; 102. First air inlet; 103. An air outlet; 20, an air outlet box; 201, a second air outlet; 202, a fixing ear; 30, a blower; 40, a filter; 50, a sound-absorbing layer; 60, a barometer; 70, a first air inlet pipe head; 80, an air outlet pipe head; 90, a second air inlet pipe head; 100, a machine; 200, a laser die-cutting dust suction box; 2001, a through hole; 300, a bottom die dust removal device; 400, a laser cutting device; 4001, a laser generator; 4002, a position adjustment mechanism; 500, a dust suction pipe; 5001, a dust suction section; 5002, a waste section; 600, a dust collector; 800, a housing; 900, a roller; 9001, a distance adjuster. DETAILED DESCRIPTION

[0026] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with embodiments and drawings. The contents mentioned in the implementation modes are not intended to limit the present invention.

[0027] like Figures 1 to 8As shown, a laser die cutting dust removal device provided by the present invention includes a machine 100, a laser die cutting dust collection box 200 installed on the machine 100, a bottom die dust removal device 300 arranged on one side of the laser die cutting dust collection box 200, and a laser cutting device 400 arranged on the other side of the laser die cutting dust collection box 200, the two sides of the laser die cutting dust collection box 200 are respectively provided with through holes 2001 and die cutting openings arranged corresponding to the through holes 2001, the bottom end of the laser die cutting dust collection box 200 is connected with a dust collection pipe 500, the through hole 2001 and the die cutting opening are both connected with the inner cavity of the laser die cutting dust collection box 200, the bottom die dust removal device 300 is provided with a die cutting bottom die 1 for contacting the material 01, The die-cutting bottom die 1 is provided with a die-cutting hole 12, and the die-cutting bottom die 1 is exposed at the die-cutting opening. A feeding gap 13 for the material 01 to pass through is provided between the side of the laser die-cutting dust box 200 away from the laser cutting device 400 and the die-cutting bottom die 1. The material 01 passing through the feeding gap 13 is close to the die-cutting bottom die 1. The laser emitted by the laser cutting device 400 passes through the through hole 2001 and the die-cutting opening in turn to cut the material 01 that is in contact with the die-cutting bottom die 1. The material 01 can be a pole piece strip. The shape of the die-cutting hole 12 is set according to the actual laser die-cutting trace. The bottom end of the dust suction tube 500 is connected to a vacuum cleaner 600, and the vacuum cleaner 600 is installed at the bottom of the machine 100.

[0028] During actual operation, the pole piece strip passes through the feeding gap 13 from top to bottom, and the die-cutting bottom mold 1 contacts the pole piece strip. The pole piece strip at the die-cutting bottom mold 1 is the part to be laser die-cut. The laser emitted by the laser cutting device 400 passes through the through hole 2001 and the die-cutting opening in turn to cut the pole piece strip at the die-cutting bottom mold 1, thereby realizing the pole ear cutting of the pole piece strip. Dust will be generated in the process of cutting the pole piece strip. At this time, the vacuum cleaner 600 sucks air into the dust suction pipe 500 to absorb the dust in the laser die-cutting dust suction box 200. The laser die-cutting dust suction box 200 vacuums the front side of the pole piece strip that contacts the die-cutting bottom mold 1. At the same time, the bottom mold dust removal device 300 removes dust from the back side of the pole piece strip that contacts the die-cutting bottom mold 1 to avoid dust adhering to the pole piece strip to ensure the quality of cutting the pole piece strip. The present invention removes dust from the front and back sides of the pole piece strip respectively through the laser die-cutting dust collection box 200 and the bottom die dust removal device 300, and has a good dust removal effect, thereby avoiding dust accumulation or dust adhesion on the pole piece strip to affect the quality of laser die-cutting.

[0029] Preferably, the vacuum cleaner 600 includes an air inlet box 10, an air outlet box 20, a blower 30 and a filter 40. The air inlet box 10 is provided with an air inlet chamber 101, a first air inlet 102 and a first air outlet 103. The first air inlet 102 and the first air outlet 103 are both connected to the air inlet chamber 101. The end of the dust suction pipe 500 away from the laser die-cutting dust suction box 200 is connected to the first air inlet 102. The filter 40 is installed in the air inlet chamber 101 and is located at the first air outlet 103. The air outlet box 20 is provided with an air outlet chamber and a second air outlet 201 connected to the air outlet chamber. The blower 30 is installed in the air outlet chamber. The air inlet end of the blower 30 is connected to the first air outlet 103, and the air outlet end of the blower 30 is connected to the air outlet chamber. The cavity wall of the air outlet chamber is provided with a sound-absorbing layer 50.

[0030] In actual application, the blower 30 is started, and the blower 30 draws air from the air inlet box 10, so that a negative pressure (vacuum) is generated in the air inlet box 10, and the first air inlet 102 of the air inlet box 10 sucks the dust into the air inlet chamber 101. The dust and gas in the air inlet box 10 are filtered through the filter 40, so that the dust is blocked by the filter 40 in the air inlet chamber 101 and stored at the bottom of the air inlet chamber 101. The filtered gas is discharged from the air outlet end of the blower 30 to the air outlet chamber of the air outlet box 20, so that an airflow is generated in the air outlet chamber. At the same time, the heat generated by the blower 30 during operation will be transferred to the air flow in the air outlet chamber, so that the heat is discharged from the second air outlet 201 along with the air flow. The vacuum cleaner 600 has a simple structure. It can not only filter and remove dust with good dust removal effect, but also dissipate heat and cool the blower 30 by the airflow in the air outlet chamber. The heat dissipation effect is good, which avoids the blower 30 from working for a long time and being in a high temperature state for a long time, greatly prolongs the service life of the blower 30, thereby improving the service life of the vacuum cleaner 600. No additional heat dissipation mechanism or cooling mechanism is required to dissipate heat and cool the blower 30, reducing the manufacturing and use costs of the vacuum cleaner 600, making the structure of the vacuum cleaner 600 compact, and absorbing the noise generated by the blower 30 when working through the sound-absorbing layer 50, which has a good noise reduction effect, making the vacuum cleaner 600 low in noise.

[0031] Preferably, a barometer 60 is installed in the air inlet chamber 101, and an alarm is installed in the machine 100, and the alarm is electrically connected to the barometer 60; preferably, the barometer 60 is a vacuum gauge. The air pressure in the air inlet chamber is monitored in real time by the barometer 60. During the dust removal process, when the dust suction pipe 500 or / and the filter 40 are blocked, the air pressure in the air inlet chamber will be lower or higher than the set air pressure range value. At this time, the barometer 60 feeds back a signal to the alarm via the data processor, so that the alarm sounds an alarm to remind the operator that the vacuum cleaner 600 is in an abnormal state (the dust suction pipe 500 or / and the filter 40 are blocked), so that the operator can maintain the vacuum cleaner 600.

[0032] Preferably, the first air inlet 102 is provided with a first air inlet pipe connector 70 , and one end of the dust suction pipe 500 away from the laser die-cutting dust suction box 200 is connected to the first air inlet pipe connector 70 , so as to facilitate the connection between the dust suction pipe 500 and the air inlet box 10 .

[0033] Preferably, the second air outlet 201 is provided with an air outlet pipe connector 80, and the air outlet pipe connector 80 guides the airflow in the air outlet cavity so as to discharge the gas in the air outlet cavity in a directional manner.

[0034] Preferably, the sound-absorbing layer 50 is sound-absorbing cotton, which has a simple structure, low cost and good sound-absorbing effect.

[0035] Preferably, the outer walls of the air outlet box 20 and the outer walls of the air inlet box 10 are both provided with fixing ears 202, and the fixing ears 202 facilitate the air outlet box 20 and the air inlet box 10 to be fixed on the machine platform 100, thereby facilitating the fixed installation of the vacuum cleaner 600.

[0036] Preferably, a cleaning door is rotatably or slidably provided at the bottom of the air inlet box 10 , and dust and waste in the air inlet chamber 101 can be poured out by opening the cleaning door, and the air inlet chamber 101 can be cleaned conveniently.

[0037] In this embodiment, the top of the laser die-cutting dust collection box 200 is provided with a plurality of air blowing holes and a plurality of air blowing slots, and each air blowing hole is connected to the inner cavity of the laser die-cutting dust collection box 200 via a air blowing slot. Preferably, the plurality of air blowing holes and the plurality of air blowing slots are arranged on the top of the laser die-cutting dust collection box 200 along the emission direction of the laser, and the plurality of air blowing holes and the plurality of air blowing slots extend along the width direction of the laser die-cutting dust collection box 200, and each air blowing slot is formed by being recessed upward from the top inner wall of the laser die-cutting dust collection box 200 and then connected to an air blowing hole, and the plurality of air blowing holes are connected to the air blower.

[0038] While the vacuum cleaner 600 is vacuuming the laser die-cutting dust box 200 via the dust suction pipe 500, the blower blows air into the multiple blowing holes. The gas in the multiple blowing holes is blown into the laser die-cutting dust box 200 via the multiple blowing grooves respectively, and the blowing direction of the blowing holes is consistent with the dust suction direction of the dust suction pipe 500. With the cooperation of blowing and dust suction, the stability of the airflow in the laser die-cutting dust box 200 is ensured, and dust is not easy to adhere to or accumulate in the inner cavity of the laser die-cutting dust box 200, thereby avoiding the dust density in the laser die-cutting dust box 200 being too high to affect the dust suction capacity of the laser die-cutting dust box 200, and the dust suction effect is good. The gas in the multiple blowing holes is blown into the laser die-cutting dust box 200 through a plurality of flat, slender and arranged blowing grooves. On the one hand, the air pressure of the blown gas is increased by setting the flat and slender blowing grooves, which helps the vacuum cleaner 600 to adsorb dust. On the other hand, the multiple arranged blowing grooves make the airflow blown into the laser die-cutting dust box 200 uniform, and will not cause local pressure difference in the laser die-cutting dust box 200, and thus there will be no airflow turbulence in the laser die-cutting dust box 200, thereby improving the stability of the airflow in the laser die-cutting dust box 200.

[0039] In this embodiment, the dust suction pipe 500 is equipped with a baffle, one end of the baffle protrudes into the dust suction pipe 500, and the other end of the baffle protrudes into the die-cutting opening. The dust suction pipe 500 includes a dust suction section 5001 and a waste section 5002 extending outward from the middle of the dust suction section 5001 toward the bottom mold dust removal device 300. The dust suction section 5001 and one side of the baffle are arranged to form a dust suction port, and the dust suction port is connected to the bottom end of the laser die-cutting dust suction box 200. The waste section 5002 and the other side of the baffle are arranged to form a waste port, and the waste port is located below the feed gap 13.

[0040] In the process of laser die-cutting, not only dust but also waste pieces are generated. The dust is absorbed through the dust suction port, and the baffle blocks the waste pieces so that the waste pieces are blocked outside the laser die-cutting dust suction box 200. The completely cut waste pieces fall into the waste port under the guidance of the baffle, and the waste pieces enter the dust suction pipe 500 through the waste port. When the waste pieces are not completely cut off, the part of the waste pieces cut off from the pole piece material strip is easy to swing, vibrate or lift up under the suction of the laser die-cutting dust suction box 200, so that the pole piece after laser die-cutting will produce burrs, melt beads, etc., resulting in poor quality of laser die-cutting. By adding a baffle to block the part of the waste piece cut off from the pole piece material strip, it is prevented that the part of the waste piece cut off from the pole piece material strip swings, vibrates or lifts up, so that the pole piece after laser die-cutting will not produce burrs, melt beads, etc., thereby improving the quality of laser die-cutting.

[0041] In this embodiment, the bottom mold dust removal device 300 includes a dust removal seat 2, a magnet 3 and a positioning member 4. The dust removal seat 2 is arranged on the machine 100. The dust removal seat 2 is provided with a dust removal chamber 21, an air flow hole 28 connected to one end of the dust removal chamber 21 and an exhaust hole connected to the other end of the dust removal chamber 21. The exhaust hole is connected to the dust collector 600. The die-cutting bottom mold 1 is magnetically attracted to the dust removal seat 2 via the magnet 3 and covers the dust removal chamber 21. The positioning member 4 is inserted between the die-cutting bottom mold 1 and the dust removal seat 2 and is used to position the die-cutting bottom mold 1 on the dust removal seat 2. The dust removal chamber 21 is concave inward from the side surface where the dust removal seat 2 and the die-cutting bottom mold 1 are in contact. The magnet 3 is a magnet. The air flow hole 28 is connected to a hair dryer or the external environment.

[0042] In actual application, the moving direction of the pole piece strip is from the upper side of the die-cutting bottom die 1 to the lower side of the die-cutting bottom die 1. When the pole piece strip moves to the die-cutting bottom die 1, the laser cutting device 400 performs laser die-cutting on the pole piece strip at that position. Since dust will be generated during the laser die-cutting process, the dust generated during the laser die-cutting is absorbed by the bottom die dust removal device 300, which not only prevents the dust from affecting the normal operation of the laser die-cutting, but also prevents the dust from adhering to the pole piece strip, so as to ensure the quality of the laser die-cutting of the pole piece strip. During actual operation, the vacuum cleaner 600 evacuates the dust removal chamber 21 through the exhaust hole, so that the dust generated during laser die-cutting is sucked into the dust removal chamber 21 and discharged from the dust removal chamber 21 through the exhaust hole. At the same time, the gas from the external environment blows into the dust removal chamber 21 through the air flow hole 28 under the action of air pressure, or the hair dryer blows into the dust removal chamber 21 through the air flow hole 28. The blowing direction of the air flow hole 28 is the same as the exhaust direction of the air extraction hole. The gas blown out by the air flow hole 28 blows the dust in the dust removal chamber 21 to the exhaust hole, so that the dust is discharged from the dust removal chamber 21 through the exhaust hole. Of course, since the air flow hole 28 blows air into the dust removal chamber 21, the gas in the dust removal chamber 21 flows rapidly, and the pressure in the dust removal chamber 21 becomes smaller, which is more conducive to sucking the dust into the dust removal chamber 21. The dust suction effect is good, and the probability of dust adhering to the dust removal chamber 21 is reduced. In addition, the die-cutting bottom die 1 is sucked onto the dust removal seat 2 and covers the dust removal cavity 21 by the suction force of the magnet 3, and is finally inserted into the die-cutting bottom die 1 and the dust removal seat 2 by the positioning member 4 to position the die-cutting bottom die 1 on the dust removal seat 2, thereby ensuring the position accuracy and stability during assembly between the die-cutting bottom die 1 and the dust removal seat 2; when disassembling, it is only necessary to pull out the positioning member 4 from the die-cutting bottom die 1 and the dust removal seat 2, and then remove the die-cutting bottom die 1 from the dust removal seat 2, and no additional disassembly and assembly tools are required to achieve disassembly and assembly of the die-cutting bottom die 1 and the dust removal seat 2, which makes disassembly and assembly and maintenance convenient and quick, reduces the cost of disassembly and assembly and maintenance, and facilitates the cleaning of the dust removal cavity 21 of the dust removal seat 2. The structure of the bottom mold dust removal device 300 is simple and compact. The air blowing through the air flow hole 28 and the air exhausting through the air exhaust hole cooperate to absorb the dust generated during laser die cutting, thereby achieving the purpose of dust removal. The dust removal effect is good and the dust removal efficiency is high. The position of the die-cutting bottom mold 1 and the dust removal seat 2 during assembly is positioned by the magnetic connection between the die-cutting bottom mold 1 and the dust removal seat 2 combined with the positioning piece 4, which not only ensures the convenience of disassembly and assembly of the die-cutting bottom mold 1 and the dust removal seat 2, facilitates the cleaning of the dust removal chamber 21, but also ensures the position accuracy and stability of the die-cutting bottom mold 1 and the dust removal seat 2 during assembly.

[0043] In this embodiment, the die-cutting bottom die 1 is T-shaped, and a T-shaped recessed surface 24 is recessed on one side of the dust removal seat 2 close to the die-cutting bottom die 1. The dust removal cavity 21 is recessed inward from the recessed surface 24, and the die-cutting bottom die 1 is accommodated in the recessed surface 24; through the cooperation between the T-shaped die-cutting bottom die 1 and the T-shaped recessed surface 24, the recessed surface 24 acts as a limit on the die-cutting bottom die 1, further ensuring the stability and position accuracy of the die-cutting bottom die 1 installed on the dust removal seat 2.

[0044] Preferably, the recessed depth of the recessed surface 24 is equal to the thickness of the die-cutting bottom die 1, so that the surface of the die-cutting bottom die 1 is flush with the surface of the dust removal seat 2, thereby making the structure of the die-cutting bottom die 1 and the dust removal seat 2 compact and beautiful in appearance, and also avoiding the formation of a step surface between the die-cutting bottom die 1 and the dust removal seat 2 to accumulate dust, etc.

[0045] In this embodiment, the dust removal seat 2 is equipped with two limit plates 5, which are respectively located on both sides of the dust removal cavity 21. Two limit slots 51 are formed between the ends of the two limit plates 5 that are close to each other and the concave surface 24, and the two sides of the die-cutting bottom die 1 are respectively accommodated in the two limit slots 51. When the die-cutting bottom die 1 is assembled with the dust removal seat 2, the die-cutting bottom die 1 can be laterally inserted into the concave surface 24 of the dust removal seat 2 along the limit slots 51 until the die-cutting bottom die 1 and the concave surface 24 are completely assembled and matched. In this process, the two limit slots 51 play a guiding role for the die-cutting bottom die 1, ensuring that the die-cutting bottom die 1 can be stably and conveniently inserted into the concave surface 24 of the dust removal seat 2. Among them, the inner wall of the limiting slide groove 51 located on the upper side of the dust removal chamber 21 abuts against the outer side surface of the die-cutting bottom mold 1 to limit the die-cutting bottom mold 1, and the inner wall of the limiting slide groove 51 located on the lower side of the dust removal chamber 21 abuts against the outer side surface of the die-cutting bottom mold 1, which not only limits the die-cutting bottom mold 1, but also supports the die-cutting bottom mold 1, ensuring that the magnet 3 can firmly magnetically attract the die-cutting bottom mold 1 to the dust removal seat 2.

[0046] Preferably, the die-cutting bottom die 1 is provided with a plurality of first accommodating holes on one side close to the dust removal seat 2, and the dust removal seat 2 is provided with a plurality of second accommodating holes 25 on one side close to the die-cutting bottom die 1, and each first accommodating hole and each second accommodating hole 25 are provided with magnets 3, and the plurality of first accommodating holes and the plurality of second accommodating holes 25 are provided in a one-to-one correspondence. The magnets 3 installed on the die-cutting bottom die 1 and the magnets 3 installed on the dust removal seat 2 are magnetically attracted to each other, so as to further ensure that the die-cutting bottom die 1 can be magnetically attracted to the dust removal seat 2 stably. By adding the first accommodating holes and the second accommodating holes 25, it is convenient to install the magnets 3 on the die-cutting bottom die 1 and the dust removal seat 2, and the magnets 3 are limited by the inner walls of the first accommodating holes and the second accommodating holes 25, so as to avoid the position of the magnets 3 on the die-cutting bottom die 1 and the dust removal seat 2 from being offset, and also to avoid the magnets 3 from being separated from the die-cutting bottom die 1 and the dust removal seat 2.

[0047] Preferably, the hole depth of the first accommodating hole and the hole depth of the second accommodating hole 25 are equal to the thickness of the magnet 3, and the second accommodating hole 25 is formed by the recessed surface 24, so that the surface of the magnet 3 in the first accommodating hole is flush with the side of the die-cutting bottom mold 1, and the surface of the magnet 3 in the second accommodating hole 25 is flush with the recessed surface 24; this structural design enables the die-cutting bottom mold 1 to be tightly magnetically attracted to the recessed surface 24 of the dust removal seat 2, avoiding the gap between the die-cutting bottom mold 1 and the recessed surface 24, which may cause dust leakage in the dust removal chamber 21.

[0048] The multiple second accommodating holes 25 are divided into two groups of holes, each group of holes includes two to four second accommodating holes 25, and the two groups of holes are respectively located on the upper and lower sides of the dust removal chamber 21 and at one end of the recessed surface 24 close to the air flow hole 28. The distribution of the first accommodating holes on the die-cutting bottom mold 1 corresponds to the distribution of the second accommodating holes 25 on the dust removal seat 2, which will not be repeated here; this structural design increases the suction force of the magnet 3 to magnetically attract the die-cutting bottom mold 1 to the dust removal seat 2 by increasing the number of magnets 3 and the reasonable distribution of magnets 3, thereby ensuring the stability of the die-cutting bottom mold 1 assembled on the dust removal seat 2.

[0049] Of course, according to actual needs, one of the die-cutting bottom die 1 and the dust removal seat 2 can be selected to install the magnet 3, and the other component can be made of a material that can be magnetically attracted by the magnet 3.

[0050] In this embodiment, the positioning member 4 is a positioning pin, the die-cutting bottom die 1 is provided with a first positioning hole 11, the dust removal seat 2 is provided with a second positioning hole 22 connected with the first positioning hole 11, the second positioning hole 22 is located at the end of the recessed surface 24 away from the air flow hole 28, and the positioning end of the positioning member 4 passes through the first positioning hole 11 and is inserted into the second positioning hole 22. The positioning member 4 is inserted into the first positioning hole 11 and the second positioning hole 22, which ensures the position accuracy between the die-cutting bottom die 1 and the dust removal seat 2 on the one hand, and enables the die-cutting bottom die 1 to be stably installed on the dust removal seat 2 on the other hand.

[0051] In this embodiment, one end of the positioning member 4 protruding from the die-cutting bottom die 1 is provided with a limit head 41 for contacting the die-cutting bottom die 1, and the limit head 41 is provided with a pull ring 42. The limit head 41 limits the length of the positioning end of the positioning member 4 inserted into the first positioning hole 11 and the second positioning hole 22, which not only ensures that the positioning end of the positioning member 4 can be inserted in place, but also avoids the positioning member 4 being over-inserted, which makes it difficult to disassemble the die-cutting bottom die 1 and the dust removal seat 2. By adding the pull ring 42, it is easy to pull the positioning member 4 out of the first positioning hole 11 and the second positioning hole 22, achieving the effect of saving time and effort.

[0052] Preferably, the positioning end of the positioning member 4 is provided with an elastic protrusion 43, and the positioning end of the positioning member 4 protrudes out of the dust collecting seat 2 through the second positioning hole 22, and the elastic protrusion 43 contacts the side of the dust collecting seat 2 away from the die-cutting bottom die 1. In the process of inserting the positioning end of the positioning member 4 along the first positioning hole 11 and the second positioning hole 22, the elastic protrusion 43 is squeezed and deformed until the elastic protrusion 43 protrudes out of the dust collecting seat 2. The elastic protrusion 43 returns to its original shape under the action of its own resilience and contacts the side wall of the dust collecting seat 2, so that the positioning member 4 is stably inserted on the die-cutting bottom die 1 and the dust collecting seat 2, and the stability of the die-cutting bottom die 1 being magnetically attracted to the dust collecting seat 2 is also improved. When removing the positioning member 4, it is only necessary to apply a pulling force to the positioning member 4 so that the side wall of the dust collecting seat 2 squeezes the elastic protrusion 43 to deform the elastic protrusion 43 until the positioning member 4 is pulled out, and the removal process is convenient and quick.

[0053] Preferably, the elastic protrusion 43 is made of elastic material, such as rubber, and is hemispherical. There are two elastic protrusions 43 , and the two elastic protrusions 43 are symmetrically arranged on the horizontal plane where the central axis of the positioning end of the positioning member 4 is located.

[0054] Preferably, the dust removal chamber 21 includes a straight cavity section 26 and an expanded cavity section 27, the airflow hole 28 penetrates the dust removal seat 2 and is connected to one end of the straight cavity section 26, the other end of the straight cavity section 26 is connected to one end of the expanded cavity section 27, the other end of the expanded cavity section 27 is connected to the air extraction hole, the expanded cavity section 27 is trumpet-shaped, the die-cutting hole 12 of the die-cutting bottom die 1 is located at the straight cavity section 26, and the caliber of the expanded cavity section 27 gradually increases from one end close to the straight cavity section 26 to the other end. This structural design allows the airflow of the straight cavity section 26 to be concentrated, so as to increase the dust adsorption capacity of the straight cavity section 26, so as to make the dust removal effect more obvious, and the expanded cavity section 27 is conducive to diffusing and diverting the dust sucked in the straight cavity section 26, so as to improve the efficiency of dust removal.

[0055] Preferably, there are a plurality of air holes 28, and the plurality of air holes 28 are arranged in a rectangular array. By providing a plurality of air holes 28 to blow air to the straight cavity section 26 of the dust removal cavity 21, the air flow in the dust removal cavity 21 is evenly distributed, and the phenomenon of air flow turbulence caused by pressure difference in the dust removal cavity 21 is avoided, which is conducive to better dust removal.

[0056] Preferably, the dust removal seat 2 is rotatably provided with two guide rollers 8, and the two guide rollers 8 are respectively located on the upper and lower sides of the dust removal seat 2. The guide rollers 8 on the upper and lower sides respectively guide the moving pole piece strip to be laser die-cut and the pole piece strip after laser die-cutting, which facilitates the movement of the pole piece strip, and also facilitates the laser cutting device 400 to die-cut the pole piece strip and the subsequent process to process the pole piece strip after laser die-cutting, and converts the sliding friction between the pole piece strip and the dust removal seat 2 into rolling friction between the pole piece strip and the guide rollers 8, thereby avoiding the wear of the dust removal seat 2 and the pole piece strip.

[0057] Preferably, the bottom mold dust removal device 300 also includes a fixed seat 9 installed on the machine 100, the fixed seat 9 is L-shaped, and the fixed seat 9 is provided with a positioning slide 91 for accommodating the dust removal seat 2. The fixed seat 9 is installed at a set position, the die-cutting bottom mold 1 is assembled on the dust removal seat 2 to form an integral structure, and then the integral structure is slidably installed on the fixed seat 9 along the positioning slide 91 until a right angle of the dust removal seat 2 is aligned with a right angle of the fixed seat 9, proving that the installation is in place to ensure that the assembly of the dust removal seat 2 and the fixed seat 9 is stable and reliable. By adding the fixed seat 9, it is convenient to install the bottom mold dust removal device 300 on the machine 100, so that the bottom mold dust removal device 300 can perform dust removal work, and the dust removal seat 2 is slidably installed in the positioning slide 91 of the fixed seat 9, which is convenient and quick to disassemble.

[0058] Preferably, the fixing seat 9 is magnetically attracted to the side of the dust removal seat 2 away from the die-cutting bottom mold 1 via the magnet 3, and the fixing seat 9 is provided with a third positioning hole 92 and a plurality of fixing holes 93 which penetrate the bottom wall of the positioning slide groove 91. The plurality of fixing holes 93 facilitate fixing the fixing seat 9 on the machine table 100. The positioning end of the positioning member 4 sequentially penetrates the first positioning hole 11 and the second positioning hole 22 and is inserted into the third positioning hole 92, and the elastic protrusion 43 on the positioning end of the positioning member 4 protrudes out of the fixing seat 9 and contacts the outer wall of the fixing seat 9 to ensure the stability of the assembly between the die-cutting bottom mold 1, the dust removal seat 2 and the fixing seat 9, and makes the disassembly and assembly of the three convenient and quick, without the need for additional disassembly and assembly tools, thereby reducing the cost of disassembly and assembly and maintenance.

[0059] In this embodiment, the machine 100 is installed in the shell 800, and the laser die-cutting dust box 200, the bottom mold dust removal device 300 and the laser cutting device 400 are all located in the shell 800. By adding a shell 800 to cover the laser die-cutting dust box 200, the bottom mold dust removal device 300 and the laser cutting device 400, the dust outside the shell 800 is isolated from the laser die-cutting dust box 200, the bottom mold dust removal device 300 and the laser cutting device 400, which is beneficial to improving the quality of laser die-cutting; the shell 80 0 is provided with a plurality of rotating rollers 900 for guiding the material 01, and the plurality of rotating rollers 900 are respectively divided into two groups of rollers, and each group of rollers includes three to five rotating rollers 900 arranged in a circular arc shape, and the two groups of rollers are symmetrically arranged about the central plane of the dust removal seat 2, and the two groups of rollers are respectively located on the upper and lower sides of the dust removal seat 2, and the pole piece material belt enters the feeding gap 13 along the upper roller group, and the pole piece material belt after laser cutting is output along the lower roller group, and the pole piece material belt is guided by the two groups of rollers, so that the movement of the pole piece material belt is stable and smooth.

[0060] In this embodiment, the laser cutting device 400 includes a laser generator 4001 located on a side of the laser die-cutting dust box 200 away from the bottom mold dust removal device 300, and a position adjustment mechanism 4002 installed on the machine 100 and used to adjust the laser die-cutting position of the laser generator 4001; preferably, the position adjustment mechanism 4002 includes a transverse drive and a longitudinal drive, and both the transverse drive and the longitudinal drive can adopt linear drive devices in the prior art. The transverse drive is used to drive the laser generator 4001 to move laterally, and the longitudinal drive is used to drive the laser generator 4001 to move longitudinally (to move closer to or away from the bottom mold dust removal device 300). During cutting, the laser generator 4001 is driven by the position adjustment mechanism 4002 to move along a set path to adjust the focal length and cutting position of the laser emitted by the laser generator 4001.

[0061] In this embodiment, the machine 100 is equipped with a distance adjuster 9001 for driving the laser die-cutting dust box 200 to approach or move away from the die-cutting bottom die 1 to adjust the size of the feeding gap 13. The distance adjuster 9001 is a cylinder, the cylinder body of the cylinder is hinged to the shell 800, and the piston rod of the cylinder is hinged to the outer wall of the laser die-cutting dust box 200. The size of the feeding gap 13 between the laser die-cutting dust box 200 and the die-cutting bottom die 1 is adjusted by the distance adjuster 9001. On the one hand, it is convenient for the pole piece strip to pass through the feeding gap 13, and on the other hand, it can meet the requirements of pole piece strips of different thicknesses, with good versatility, strong practicality and wide application range.

[0062] Preferably, the air inlet box 10 is also provided with a second air inlet connected to the air inlet chamber 101, the first air inlet 102 and the second air inlet are respectively located on different side walls of the air inlet box 10, and the second air inlet is connected to the exhaust hole via the second air inlet pipe connector 90 and the air pipe; this structural design allows only one vacuum cleaner 600 to collect and filter the dust adsorbed by the laser die-cutting dust box 200 and the bottom mold dust removal device 300, reducing the number of vacuum cleaners 600 required, making the structure of the device compact, greatly improving the utilization rate of energy, and reducing the manufacturing and use costs of the device.

[0063] Preferably, control valves are provided at the first air inlet 102 and the second air inlet, and the air volume of the first air inlet 102 and the second air inlet is controlled by the control valve to adjust the air pressure of the first air inlet 102 and the second air inlet, which is convenient for adjusting different air pressure requirements and has strong practicality.

[0064] All technical features in this embodiment can be freely combined according to actual needs.

[0065] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention may also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A laser die cutting dust removal device, characterized in that: The invention comprises a machine, a laser die-cutting dust collection box installed on the machine, a bottom mold dust removal device arranged on one side of the laser die-cutting dust collection box, and a laser cutting device arranged on the other side of the laser die-cutting dust collection box, wherein the two sides of the laser die-cutting dust collection box are respectively provided with through holes and die-cutting openings arranged corresponding to the through holes, the bottom end of the laser die-cutting dust collection box is connected with a dust collection pipe, the through holes and the die-cutting openings are both connected with the inner cavity of the laser die-cutting dust collection box, the bottom mold dust removal device is provided with a die-cutting bottom mold for contacting the material, the die-cutting bottom mold is provided with a die-cutting hole, the die-cutting bottom mold is exposed at the die-cutting opening, and the laser die-cutting dust collection box is away from one side of the laser cutting device. A feeding gap is provided between the die-cutting bottom die for materials to pass through, and the laser emitted by the laser cutting device passes through the through hole and the die-cutting opening in turn to cut the materials that are in contact with the die-cutting bottom die; the bottom end of the dust suction pipe is connected with a dust collector; the dust suction pipe is equipped with a baffle, one end of the baffle protrudes into the dust suction pipe, and the other end of the baffle protrudes into the die-cutting opening, the dust suction pipe includes a dust suction section and a waste section extending outward from the middle of the dust suction section toward the bottom die dust removal device, the dust suction section and one side of the baffle are surrounded by a dust suction port, the dust suction port is connected with the bottom end of the laser die-cutting dust suction box, and the waste section and the other side of the baffle are surrounded by a dust suction port. A waste port, wherein the waste port is located below the feeding gap; the bottom mold dust removal device comprises a dust removal seat, a magnet and a positioning piece, wherein the dust removal seat is arranged on the machine table, and the dust removal seat is provided with a dust removal cavity, an air flow hole connected to one end of the dust removal cavity and an exhaust hole connected to the other end of the dust removal cavity, the die-cutting bottom mold is magnetically attracted to the dust removal seat via a magnet and covers the dust removal cavity, the positioning piece is inserted between the die-cutting bottom mold and the dust removal seat and is used to position the die-cutting bottom mold on the dust removal seat; the die-cutting bottom mold is T-shaped, and a T-shaped concave surface is concave on one side of the dust removal seat close to the die-cutting bottom mold, and the dust removal cavity is concave inward from the concave surface, and the die-cutting bottom mold It is accommodated in the recessed surface; the dust removal seat is equipped with two limit plates, and the two limit plates are respectively located on both sides of the dust removal cavity, and the ends of the two limit plates close to each other form two limit slide grooves with the recessed surfaces respectively, and the two sides of the die-cutting bottom mold are respectively accommodated in the two limit slide grooves; the positioning member is a positioning pin, the die-cutting bottom mold is provided with a first positioning hole, and the dust removal seat is provided with a second positioning hole connected with the first positioning hole, and the positioning end of the positioning member passes through the first positioning hole and is inserted into the second positioning hole; the end of the positioning member protruding out of the die-cutting bottom mold is provided with a limit head for resisting the die-cutting bottom mold, and the limit head is provided with a pull ring.

2. The laser mold cutting dust removal device according to claim 1, characterized in that: The top of the laser die-cutting dust collection box is provided with a plurality of air blowing holes and a plurality of air blowing grooves, and each air blowing hole is connected with the inner cavity of the laser die-cutting dust collection box via an air blowing groove.

3. The laser mold cutting dust removal device according to claim 1, characterized in that: The machine is mounted on a shell, the laser die-cutting dust box, the bottom die dust removal device and the laser cutting device are all located inside the shell, and a plurality of rollers for guiding materials are rotatably arranged inside the shell.

4. The laser mold cutting dust removal device according to claim 1, characterized in that: The laser cutting device comprises a laser generator located at a side of the laser die-cutting dust collecting box away from the bottom die dust removing device and a position adjusting mechanism installed on the machine platform and used for adjusting the laser die-cutting position of the laser generator.

5. The laser mold cutting dust removal device according to claim 1, characterized in that: The machine platform is equipped with a distance adjuster for driving the laser die-cutting dust collection box to approach or move away from the die-cutting bottom die to adjust the size of the feeding gap.

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