Automatic Antenna Exposure Equipment

Abstract

The present invention provides a fully automatic exposure device for an antenna, belonging to the technical field of flexible printed circuit board processing. The device includes a machine body suitable for roll materials, the machine body having a winding unit and an unwinding unit, and the winding unit and the unwinding unit are distributed front and back. It is characterized in that it further includes an adsorption unit. The adsorption unit includes a plurality of adsorption seats fixedly connected to the machine body, the plurality of adsorption seats are arranged in sequence in the front-back direction, the top surface of the adsorption seat is provided with an adsorption part, the adsorption part generates an adsorption force on the roll material, and the adsorption force is less than the pulling force of the winding unit on the roll material; positioning units are provided at both the left and right ends of each adsorption seat, the positioning unit includes a positioning part and a driving part, the positioning part is rotatably connected to the machine body, the rotation axis of the positioning part is parallel to the left-right direction, the driving part is in transmission connection with the positioning part, and the positioning part abuts against the edge of the roll material. The present invention improves the exposure accuracy.

Description

Technical Field

[0001] The present invention belongs to the technical field of flexible printed circuit board processing, and particularly relates to a fully automatic antenna exposure device. Background Art

[0002] As an electronic component with excellent flexibility and bendability, flexible printed circuit boards are increasingly widely used in modern electronic devices. Their structures are complex and delicate, usually including multi-layer circuit structures, and high precision and stability are required during the production process. Especially in electronic products such as smart phones, tablet computers, and wearable devices, flexible printed circuit boards have become indispensable key components.

[0003] The exposure device is one of the core devices in the production process of flexible printed circuit boards. Its main function is to irradiate the circuit pattern on the mask plate onto the photosensitive material through ultraviolet light to form the corresponding circuit pattern.

[0004] During exposure, the coil material in transportation may shift. After the coil material shifts, the position of the circuit board during exposure may be inaccurate or some circuit boards may not be correctly exposed, resulting in deviations in the circuit pattern, and thus there is a defect of low exposure accuracy. Summary of the Invention

[0005] An embodiment of the present invention provides a fully automatic antenna exposure device, aiming to solve the technical problem of low exposure accuracy.

[0006] To achieve the above object, the technical solution adopted by the present invention is: to provide a fully automatic antenna exposure device, including a machine body suitable for coil materials. The machine body has a winding unit and an unwinding unit, and the winding unit and the unwinding unit are distributed front and back. It also includes an adsorption unit. The adsorption unit includes a plurality of adsorption seats fixed in the machine body. The plurality of adsorption seats are arranged in sequence along the front and back directions. The top surface of the adsorption seat is provided with an adsorption portion, and the adsorption portion generates an adsorption force on the coil material. The adsorption force is less than the pulling force of the winding unit on the coil material;

[0007] At both the left and right ends of each adsorption seat, a positioning unit is provided. The positioning unit includes a positioning portion and a driving portion. The positioning portion is rotatably connected to the machine body. The rotation axis of the positioning portion is parallel to the left and right directions. The driving portion is in transmission connection with the positioning portion, and the positioning portion abuts against the edge of the coil material.

[0008] In a possible implementation manner, a plurality of through grooves are provided on the top surface of the adsorption seat. The plurality of through grooves are arranged at intervals along the left and right directions, and the extending direction of each through groove is parallel to the front and back directions;

[0009] The fully automatic exposure device for the antenna further includes a power unit, and the power unit includes a first transmission assembly for driving the positioning unit to move in the left - right direction so that the positioning portion corresponds to different through - slots.

[0010] The positioning unit further includes a first positioning wheel, a second positioning wheel located below the first positioning wheel, and a first telescopic portion. The first positioning wheel and the second positioning wheel form the positioning portion. There is a first gap between the first positioning wheel and the second positioning wheel, and the edge of the coil material passes through the first gap. The length of the first telescopic portion is adjustable in the vertical direction. The first telescopic portion is used to drive the first positioning wheel and the second positioning wheel to move downward and insert the second positioning wheel into the through - slot so that the highest point of the second positioning wheel is flush with the top surface of the adsorption seat.

[0011] In a possible implementation manner, an air cavity is provided in the adsorption seat. Adsorption holes forming the adsorption portion are provided on the top surface of the adsorption seat between two through - slots, and the adsorption holes communicate with the air cavity. A plurality of adsorption holes are arranged along the extending direction of the through - slot and form a row. The adsorption unit further includes an air extraction portion provided at the bottom of the adsorption seat.

[0012] A plurality of blocking blocks corresponding to a row of the adsorption holes are provided in the air cavity. The blocking blocks are slidably connected to the inner wall of the adsorption seat in the vertical direction. A elastic member is provided between the blocking blocks and the inner wall of the adsorption seat, and the elastic member has a pre - tightening force for moving the blocking blocks away from the adsorption holes.

[0013] The power unit includes a second transmission assembly for squeezing the blocking blocks to move upward to block the corresponding row of adsorption holes.

[0014] In a possible implementation manner, the first transmission assembly includes:

[0015] A first lead screw, slidably connected to the machine body along the moving direction of the positioning portion. The first lead screw is located above the adsorption seat and fixedly connected to the positioning unit.

[0016] A first threaded sleeve, screwed to the first lead screw and rotatably connected to the machine body around its own central axis.

[0017] In a possible implementation manner, the second transmission assembly includes:

[0018] A second lead screw, slidably connected to the machine body along the moving direction of the first lead screw. One end of the second lead screw extends into the adsorption seat and is used to squeeze the blocking blocks to move upward.

[0019] The second threaded sleeve is threadedly connected to the second lead screw and is rotatably connected to the machine body around its own central axis.

[0020] In a possible implementation, a power cavity is provided in the body, the first lead screw and the second lead screw both pass through the power cavity, and the first threaded sleeve and the second threaded sleeve are both provided in the power cavity;

[0021] A linkage unit is provided in the power cavity. The linkage unit includes a power piece. Both the first threaded sleeve and the second threaded sleeve are transmission-connected to the power piece.

[0022] In a possible implementation, the inner wall of the air cavity is provided with a reset groove along the vertical direction, the blocking block has a reset block slidably adapted to the reset groove, and the elastic member is fixed between the reset block and the inner wall of the reset groove.

[0023] In a possible implementation, the positioning unit also includes a first telescopic member and a second telescopic member forming the first telescopic part, the first telescopic member and the second telescopic member are both adjustable in length along the vertical direction, the top ends of the first telescopic member and the second telescopic member are both fixedly connected to the first transmission assembly, the bottom ends of the first telescopic member and the second telescopic member are respectively fixedly connected to a first base and a second base, the first positioning wheel is rotatably connected to the first base around its own center axis, and the second positioning wheel is rotatably connected to the second base around its own center axis.

[0024] In a possible implementation, the positioning unit also includes a third positioning wheel and a second telescopic portion forming the positioning portion, the second telescopic portion is adjustable in length along the vertical direction, the second telescopic portion is used to drive the third positioning wheel to move downward, and a second gap is left between the third positioning wheel and the top surface of the adsorption seat, and the edge of the roll material passes through the second gap.

[0025] In a possible implementation, the positioning unit also includes a third telescopic member forming the second telescopic portion, the top end of the third telescopic member is fixedly connected to the first transmission assembly, the bottom end of the third telescopic member is fixedly connected to a third base, and the third positioning wheel is rotatably connected to the third base around its own central axis.

[0026] Compared with the prior art, the antenna automatic exposure device provided by the present invention has the following advantages:

[0027] During the transportation of the coil material, the positioning part rotates and drives the coil material forward through friction, and the positioning part ensures that the edge position of the coil material does not shift; the adsorption part generates an adsorption force on the middle position of the coil material, so that the middle position of the coil material does not shift. The above adsorption force is less than the pulling force of the winding unit on the coil material, so that the adsorption part does not hinder the forward movement of the coil material. By using the positioning part and the adsorption part respectively, the edge position and the middle position of the coil material are prevented from shifting during transportation, thereby improving the exposure accuracy. Description of the Drawings

[0028] Figure 1 It is a schematic structural diagram of the antenna full-automatic exposure device according to an embodiment of the present invention;

[0029] Figure 2 It is a cross-sectional view showing the power unit according to an embodiment of the present invention;

[0030] Figure 3 is Figure 2 a partial enlarged schematic view of part A in

[0031] Figure 4 It is a partial schematic view showing an adsorption seat according to an embodiment of the present invention;

[0032] Figure 5 is Figure 4 a partial enlarged schematic view of part B in

[0033] Figure 6 It is a partial schematic view showing a positioning unit according to an embodiment of the present invention;

[0034] Figure 7 It is a cross-sectional view showing the positions of the first rotating part and the second rotating part according to an embodiment of the present invention;

[0035] Figure 8 It is a partial cross-sectional view showing the connection mode of the plug block and the adsorption seat according to an embodiment of the present invention;

[0036] Figure 9 It is a partial schematic view showing another positioning unit according to an embodiment of the present invention;

[0037] Figure 10 It is a cross-sectional view showing the position of the third rotating part according to an embodiment of the present invention.

[0038] Description of the Reference Numerals:

[0039] 10. Body; 101. Power cavity; 102. First through hole; 103. First limiting block; 104. Second through hole; 105. Second limiting block;

[0040] 20. Adsorption unit; 201. Adsorption seat; 2011. Through groove; 2012. Insert block; 2013. Air cavity; 2014. Adsorption hole; 2015. Reset groove; 2016. Guide rod;

[0041] 30. Positioning unit; 301. First positioning wheel; 302. Second positioning wheel; 303. First telescopic member; 3031. First base; 304. Second telescopic member; 3041. Second base; 305. First rotating member; 306. Second rotating member; 307. Third positioning wheel; 308. Third telescopic member; 3081. Third base; 309. Third rotating member;

[0042] 40. Power unit; 401. First lead screw; 4011. First limiting groove; 402. First threaded sleeve; 403. Second lead screw; 4031. Second limiting groove; 404. Second threaded sleeve;

[0043] 50. First gap;

[0044] 60. Plug block; 601. Elastic member; 602. Reset block;

[0045] 70. Linkage unit; 701. Power member;

[0046] 80. Second gap. Detailed implementation manners

[0047] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer and more understandable, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0048] Please refer to Figures 1 to 10 simultaneously for an illustration of the full-automatic exposure device for antennas of the present invention. A full-automatic exposure device for antennas includes a machine body 10 applicable to a coil material. The machine body 10 has a winding unit (not shown) and an unwinding unit (not shown). The winding unit and the unwinding unit are distributed front and back. The full-automatic exposure device for antennas further includes an adsorption unit 20. The adsorption unit 20 includes a plurality of adsorption seats 201 fixedly connected in the machine body 10. The plurality of adsorption seats 201 are arranged in sequence in the front-back direction. The top surface of the adsorption seat 201 is provided with an adsorption portion. The adsorption portion generates an adsorption force on the coil material, and the adsorption force is less than the pulling force of the winding unit on the coil material; positioning units 30 are provided at both the left and right ends of each adsorption seat 201. The positioning unit 30 includes a positioning portion and a driving portion. The positioning portion is rotatably connected in the machine body 10. The rotation axis of the positioning portion is parallel to the left-right direction. The driving portion is in transmission connection with the positioning portion. The positioning portion abuts against the edge of the coil material.

[0049] The full-automatic exposure device for antennas provided in this embodiment, compared with the prior art:

[0050] During the transportation of the coil material, the positioning part rotates and drives the coil material forward through friction, and the positioning part ensures that the edge position of the coil material does not shift; the adsorption part generates an adsorption force on the middle position of the coil material, so that the middle position of the coil material does not shift. The above adsorption force is less than the pulling force of the winding unit on the coil material, so that the adsorption part does not hinder the forward movement of the coil material. By using the positioning part and the adsorption part respectively, the edge position and the middle position of the coil material do not shift during transportation, thereby improving the exposure accuracy.

[0051] In some embodiments, referring to Figure 2 、 Figures 4 to 7 , a plurality of through grooves 2011 are provided on the top surface of the adsorption seat 201. The plurality of through grooves 2011 are arranged at intervals in the left-right direction, and the extending direction of each through groove 2011 is parallel to the front-back direction; the antenna full-automatic exposure device further includes a power unit 40. The power unit 40 includes a first transmission component, and the first transmission component is used to drive the positioning unit 30 to move in the left-right direction, so that the positioning part corresponds to different through grooves 2011.

[0052] The positioning unit 30 further includes a first positioning wheel 301, a second positioning wheel 302 located below the first positioning wheel 301, and a first telescopic part. The first positioning wheel 301 and the second positioning wheel 302 form the positioning part. A first gap 50 is left between the first positioning wheel 301 and the second positioning wheel 302. The edge of the coil material passes through the first gap 50. The length of the first telescopic part is adjustable in the vertical direction. The first telescopic part is used to drive the first positioning wheel 301 and the second positioning wheel 302 to move downward, and extend the second positioning wheel 302 into the through groove 2011, so that the highest point of the second positioning wheel 302 is flush with the top surface of the adsorption seat 201.

[0053] Specifically, the positioning unit 30 further includes a first telescopic member 303 and a second telescopic member 304 that form the first telescopic part. The lengths of both the first telescopic member 303 and the second telescopic member 304 are adjustable in the vertical direction. The tops of the first telescopic member 303 and the second telescopic member 304 are fixedly connected to the first transmission component. The bottoms of the first telescopic member 303 and the second telescopic member 304 are fixedly connected with a first base 3031 and a second base 3041 respectively. The first positioning wheel 301 is rotatably connected to the first base 3031 around its own central axis, and the second positioning wheel 302 is rotatably connected to the second base 3041 around its own central axis.

[0054] Specifically, a plurality of first positioning wheels 301 are provided along the length direction of the first base 3031, and a plurality of second positioning wheels 302 are provided along the length direction of the second base 3041; the positioning unit 30 further includes a first rotating member 305 and a second rotating member 306 that form a driving part. The first rotating member 305 corresponds to the first positioning wheel 301 one by one. The first rotating member 305 is fixedly connected to the first base 3031, and the output shaft of the first rotating member 305 is fixedly connected to the center of the first positioning wheel 301. The second rotating member 306 corresponds to the second positioning wheel 302 one by one. The second rotating member 306 is fixedly connected to the second base 3041, and the output shaft of the second rotating member 306 is fixedly connected to the center of the second positioning wheel 302.

[0055] It should be noted that the first telescopic member 303 and the second telescopic member 304 can be hydraulic cylinders, electric cylinders, or telescopic oil cylinders, and the first rotating member 305 and the second rotating member 306 can be motors.

[0056] The positioning unit 30 is moved through the first transmission assembly, whereby the distance between the positioning units 30 on both sides of the body 10 can be adjusted, so as to adapt to coiled materials of different widths.

[0057] After the positioning unit 30 is moved to a preset position, the second telescopic member 304 extends downward to insert the second base 3041 and the second positioning wheel 302 into the through groove 2011 until the highest point of the second positioning wheel 302 is aligned with the top wall of the adsorption seat 201; the first telescopic member 303 extends downward to drive the first base 3031 and the first positioning wheel 301 downward, and the height of the first gap 50 is adjusted according to the thickness of the coiled material, so as to adapt to coiled materials of different thicknesses.

[0058] In some embodiments, referring to Figure 2 、 Figure 5 and Figure 8 , an air cavity 2013 is provided in the adsorption seat 201. Adsorption holes 2014 that form an adsorption part are provided on the top surface of the adsorption seat 201 between the two through grooves 2011. The adsorption holes 2014 are communicated with the air cavity 2013. A plurality of adsorption holes 2014 are arranged along the extending direction of the through groove 2011 and form a row. The adsorption unit 20 further includes an air extraction part provided at the bottom of the adsorption seat 201; a plurality of blocking blocks 60 corresponding to a row of adsorption holes 2014 are provided in the air cavity 2013. The blocking blocks 60 are slidably connected to the inner wall of the adsorption seat 201 in the vertical direction. A elastic member 601 is provided between the blocking blocks 60 and the inner wall of the adsorption seat 201. The elastic member 601 has a pre-tightening force that causes the blocking blocks 60 to move away from the adsorption holes 2014; the power unit 40 includes a second transmission assembly, and the second transmission assembly is used to squeeze the blocking blocks 60 to move upward to block the corresponding row of adsorption holes 2014.

[0059] Specifically, a reset groove 2015 is provided on the inner wall of the air cavity 2013 along the vertical direction, the blocking block 60 has a reset block 602 slidably adapted to the reset groove 2015, a guide rod 2016 is fixed in the reset groove 2015 along the vertical direction, the elastic member 601 is fixed between the reset block 602 and the inner wall of the reset groove 2015, and the elastic member 601 is sleeved on the outer periphery of the guide rod 2016.

[0060] It should be noted that the elastic member 601 may be a spring, and the air extraction part may be an air extraction pump which is not shown in the figure.

[0061] After being squeezed, the blocking block 60 moves upward until it abuts against the top wall of the air cavity 2013, thereby blocking the corresponding row of adsorption holes 2014, so that the row of adsorption holes 2014 is closed, thereby opening different rows of adsorption holes 2014 according to rolls of different widths.

[0062] In some embodiments, see Figure 2 and Figure 3 The first transmission assembly includes a first lead screw 401 and a first threaded sleeve 402. The first lead screw 401 is slidably connected to the body 10 along the moving direction of the positioning part. The first lead screw 401 is located above the adsorption seat 201 and is fixedly connected to the positioning unit 30. The first threaded sleeve 402 is threadedly connected to the first lead screw 401 and is rotatably connected to the body 10 around its own central axis.

[0063] Specifically, the second transmission assembly includes a second lead screw 403 and a second threaded sleeve 404. The second lead screw 403 is slidably connected to the body 10 along the moving direction of the first lead screw 401. One end of the second lead screw 403 extends into the adsorption seat 201 and is used to squeeze the block 60 to move upward; the second threaded sleeve 404 is threadedly connected to the second lead screw 403 and is rotatably connected to the body 10 around its own central axis.

[0064] Specifically, a power chamber 101 is provided in the body 10, the first lead screw 401 and the second lead screw 403 both pass through the power chamber 101, and the first threaded sleeve 402 and the second threaded sleeve 404 are both arranged in the power chamber 101; a linkage unit 70 is provided in the power chamber 101, and the linkage unit 70 includes a power piece 701, and the first threaded sleeve 402 and the second threaded sleeve 404 are both transmission-connected to the power piece 701.

[0065] Specifically, the body 10 is provided with a first through hole 102 for the first screw 401 to pass through, the inner wall of the first through hole 102 is fixedly provided with a first limit block 103, the outer wall of the first screw 401 is provided with a first limit groove 4011 which is slidably adapted to the first limit block 103, and the first limit groove 4011 is opened along the extension direction of the first screw 401; the body 10 is provided with a second through hole 104 for the second screw 403 to pass through, the inner wall of the second through hole 104 is fixedly provided with a second limit block 105, the outer wall of the second screw 403 is provided with a second limit groove 4031 which is slidably adapted to the second limit block 105, and the second limit groove 4031 is opened along the extension direction of the second screw 403.

[0066] It should be noted that the power member 701 may be a motor, the first lead screw 401, the second lead screw 403 and the power member 701 are connected via a gear set, and the first lead screw 401 and the second lead screw 403 have opposite spiral directions.

[0067] The power member 701 starts to drive the first threaded sleeve 402 and the second threaded sleeve 404 to rotate synchronously, so that the first screw 401 and the second screw 403 move synchronously. The movement of the first screw 401 can adjust the position of the positioning unit 30, and the movement of the second screw 403 can adjust the opening and closing state of the adsorption hole 2014.

[0068] When the first lead screw 401 moves, the first limit block 103 slides along the first limit groove 4011, thereby limiting and guiding the first lead screw 401; when the second lead screw 403 moves, the second limit block 105 slides along the second limit groove 4031, thereby limiting and guiding the second lead screw 403.

[0069] In some embodiments, see Figure 9 and Figure 10 The positioning unit 30 also includes a third positioning wheel 307 and a second telescopic portion forming a positioning portion. The second telescopic portion is adjustable in length along the vertical direction. The second telescopic portion is used to drive the third positioning wheel 307 to move downward. A second gap 80 is left between the third positioning wheel 307 and the top surface of the adsorption seat 201, and the edge of the coil passes through the second gap 80.

[0070] Specifically, the positioning unit 30 also includes a third telescopic member 308 forming a second telescopic portion, the top of the third telescopic member 308 is fixedly connected to the first transmission assembly, the bottom of the third telescopic member 308 is fixedly connected to a third base 3081, and the third positioning wheel 307 is rotatably connected to the third base 3081 around its own central axis.

[0071] Specifically, a plurality of third positioning wheels 307 are provided along the length direction of the third base 3081; the positioning unit 30 further includes a third rotating member 309 forming a driving part, the third rotating members 309 correspond to the third positioning wheels 307 one by one, the third rotating member 309 is fixedly connected to the third base 3081, and the output shaft of the third rotating member 309 is fixedly connected to the center of the third positioning wheel 307.

[0072] It should be noted that the third telescopic member 308 can be a hydraulic cylinder, an electric cylinder, or a telescopic oil cylinder, and the third rotating member 309 can be a motor.

[0073] After moving the positioning unit 30 to a preset position, the third telescopic member 308 extends downward to drive the third base 3081 and the third positioning wheel 307 downward, and the height of the second gap 80 is adjusted according to the thickness of the coiled material, so as to adapt to coiled materials of different thicknesses.

[0074] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An antenna fully automatic exposure device, comprising a body suitable for coiling materials, the body having a winding unit and an unwinding unit, the winding unit and the unwinding unit are arranged front and back, characterized in that: It also includes an adsorption unit, which includes a plurality of adsorption seats fixedly connected to the body, the plurality of adsorption seats are arranged in sequence along the front-to-back direction, and a top surface of the adsorption seat is provided with an adsorption portion, the adsorption portion generates an adsorption force on the coil, and the adsorption force is smaller than the pulling force of the winding unit on the coil; Each of the adsorption seats is provided with a positioning unit at both ends, the positioning unit includes a positioning part and a driving part, the positioning part is rotatably connected to the body, the rotation axis of the positioning part is parallel to the left and right direction, the driving part is transmission-connected to the positioning part, and the positioning part abuts against the edge of the coil; The top surface of the adsorption seat is provided with a plurality of through grooves, the plurality of through grooves are arranged at intervals along the left-right direction, and the extending direction of each through groove is parallel to the front-back direction; The antenna fully automatic exposure device also includes a power unit, the power unit includes a first transmission assembly, the first transmission assembly is used to drive the positioning unit to move along the left and right directions, so that the positioning parts correspond to different through slots; The positioning unit also includes a first positioning wheel, a second positioning wheel located below the first positioning wheel, and a first telescopic part. The first positioning wheel and the second positioning wheel constitute the positioning part. A first gap is left between the first positioning wheel and the second positioning wheel, and the edge of the coil passes through the first gap. The length of the first telescopic part is adjustable in the vertical direction. The first telescopic part is used to drive the first positioning wheel and the second positioning wheel to move downward, and extend the second positioning wheel into the through groove, so that the highest point of the second positioning wheel is flush with the top surface of the adsorption seat.

2. The antenna fully automatic exposure equipment according to claim 1, characterized in that: An air cavity is provided in the adsorption seat, and adsorption holes forming the adsorption portion are provided on the top surface of the adsorption seat between the two through grooves, the adsorption holes are connected to the air cavity, and a plurality of adsorption holes are arranged along the extension direction of the through grooves and form a row, and the adsorption unit also includes an exhaust portion provided at the bottom of the adsorption seat; A plurality of blocking blocks corresponding to a row of the adsorption holes are arranged in the air cavity, the blocking blocks are slidably connected to the inner wall of the adsorption seat in the vertical direction, and an elastic member is arranged between the blocking blocks and the inner wall of the adsorption seat, and the elastic member has a pre-tightening force that causes the blocking blocks to move away from the adsorption holes; The power unit comprises a second transmission assembly, and the second transmission assembly is used for squeezing the blocking block to move upward to block the corresponding row of the adsorption holes.

3. The antenna fully automatic exposure equipment according to claim 2, characterized in that: The first transmission assembly comprises: A first lead screw is slidably connected to the body along the moving direction of the positioning portion, the first lead screw is located above the adsorption seat and is fixedly connected to the positioning unit; The first threaded sleeve is threadedly connected to the first lead screw and is rotatably connected to the machine body around its own central axis.

4. The antenna fully automatic exposure device according to claim 3, characterized in that: The second transmission assembly comprises: A second lead screw is slidably connected to the body along the moving direction of the first lead screw, one end of the second lead screw extends into the adsorption seat and is used to squeeze the block to move upward; The second threaded sleeve is threadedly connected to the second lead screw and is rotatably connected to the machine body around its own central axis.

5. The antenna fully automatic exposure device according to claim 4, characterized in that: A power cavity is provided in the body, the first lead screw and the second lead screw both pass through the power cavity, and the first threaded sleeve and the second threaded sleeve are both provided in the power cavity; A linkage unit is provided in the power cavity. The linkage unit includes a power piece. Both the first threaded sleeve and the second threaded sleeve are transmission-connected to the power piece.

6. The antenna fully automatic exposure device according to claim 2, characterized in that: The inner wall of the air cavity is provided with a reset groove along the vertical direction, the blocking block has a reset block slidably matched with the reset groove, and the elastic member is fixed between the reset block and the inner wall of the reset groove.

7. The antenna fully automatic exposure device according to claim 1, characterized in that: The positioning unit also includes a first telescopic member and a second telescopic member forming the first telescopic portion, the first telescopic member and the second telescopic member are both adjustable in length along the vertical direction, the top ends of the first telescopic member and the second telescopic member are both fixedly connected to the first transmission assembly, the bottom ends of the first telescopic member and the second telescopic member are respectively fixedly connected to a first base and a second base, the first positioning wheel is rotatably connected to the first base around its own central axis, and the second positioning wheel is rotatably connected to the second base around its own central axis.

8. The antenna fully automatic exposure device according to claim 1, characterized in that: The positioning unit also includes a third positioning wheel and a second telescopic part forming the positioning part, the second telescopic part is adjustable in length along the vertical direction, the second telescopic part is used to drive the third positioning wheel to move downward, a second gap is left between the third positioning wheel and the top surface of the adsorption seat, and the edge of the roll passes through the second gap.

9. The antenna fully automatic exposure device according to claim 8, characterized in that: The positioning unit also includes a third telescopic member forming the second telescopic portion, the top of the third telescopic member is fixedly connected to the first transmission assembly, the bottom of the third telescopic member is fixedly connected to a third base, and the third positioning wheel is rotatably connected to the third base around its own central axis.

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