A small-pitch cross-type high-efficiency placement head

Abstract

The present invention discloses a small-pitch cross-type high-efficiency placement head, comprising a driving device, a Z-axis portion on a machine head and a Z-axis portion under a machine head, wherein the driving device drives the Z-axis portion on the machine head and the Z-axis portion under the machine head respectively, and the lateral driving portion rotates in the X-axis direction, and the vertical driving portion first drives the Z-axis portion under the machine head to move in the Z-axis direction, and then drives the Z-axis portion on the machine head to move in the Z-axis direction. The cross-arrangement of the Z-axis portion on the machine head and the Z-axis portion under the machine head, which are arranged crosswise up and down with equal spacing, realizes the front and back suction of patches between the two rows of nozzle groups. Compared with the single-row nozzle group, the two rows of nozzle groups that cross up and down will not affect the up and down movement of the nozzle groups while reducing the spacing between the nozzle groups, and as many nozzle groups as possible can be arranged on the same-sized nozzle head. The ingenious cross-type placement structure greatly improves the placement efficiency of the placement machine, effectively saving production costs and production time.

Description

Technical Field

[0001] The invention relates to a mounting head, in particular to a small-pitch cross-type high-efficiency mounting head. Background Art

[0002] LED patch technology uses a patch machine to attach packaged lamp beads to an integrated PCB circuit board, achieving rapid installation of LED lamp beads. Since LED patch technology is a batch operation, a patch machine is required for mounting. In the prior art, in order to ensure stable mounting operation, the spacing between the mounting nozzles of the mounting head of the patch machine is often too large, so that the number of nozzles that can be set on a mounting head is limited. During mounting, the number of patches that can be sucked and mounted at a time is limited, resulting in low mounting cost and low mounting efficiency of the patch machine. Summary of the invention

[0003] In order to overcome the shortcomings of the prior art, the present invention provides a small-pitch cross-type high-efficiency placement head which adds cross-type upper and lower placement parts within a limited placement head size, thereby realizing high-efficiency small-pitch placement of the placement head of a placement machine.

[0004] The technical solution adopted by the present invention to solve its technical problems is: a small-pitch cross-type high-efficiency placement head, including a driving device, a Z-axis part on the head and a Z-axis part under the head, the driving device is provided with two, respectively used to drive the Z-axis part on the head and the Z-axis part under the head, the driving device includes a mounting plate, a horizontal driving part and a vertical driving part, the mounting plate is used to install the horizontal driving part and the vertical driving part, the horizontal driving part and the vertical driving part are used to drive the Z-axis part on the head and the Z-axis part under the head to move in the Z-axis direction and rotate in the X-axis direction, the vertical driving part first drives the Z-axis part under the head to move in the Z-axis direction, and then drives the Z-axis part on the head to move in the Z-axis direction;

[0005] The Z-axis part on the head and the Z-axis part under the head have the same structure, including a head crossbeam, a connecting block, a suction rod and a suction nozzle. There are multiple corresponding suction rods, suction nozzles and connecting blocks, and each suction rod, suction nozzle and connecting block form a suction nozzle group. The suction nozzle groups on the Z-axis part on the head and the Z-axis part under the head are evenly spaced. The connecting block of the Z-axis part on the head is located above the suction rod, and the connecting block of the Z-axis part under the head is located below the suction rod. The suction nozzle groups on the Z-axis part on the head and the Z-axis part under the head are cross-arranged on the same horizontal line.

[0006] As an improvement of the above technical solution, a mounting hole is provided at the center of the connecting block, a mounting groove is provided on the machine head cross beam at a position corresponding to the mounting hole, and the connecting block is fixed to the machine head cross beam by bolts and nuts.

[0007] As a further improvement of the above technical solution, the mounting hole is set as a through hole, the mounting groove is set in the middle of the head beam and is perpendicular to the mounting hole, the slot hole of the mounting groove is set in a "T" shape, and the nut is located in the "T" shaped mounting groove.

[0008] As a further improvement of the above technical solution, an upper support block and a lower support block are provided on one surface of the connecting block, and upper and lower through holes are provided in the centers of the two support blocks. The suction rod is fixed in the through holes, and a limit block is also provided on the connecting block. The limit block includes two limit blocks, and the two limit blocks are both arranged to be trapezoids of the same size and are located on opposite surfaces of the support block. The two trapezoidal limit blocks are arranged in parallel on the connecting block in an upper and lower manner.

[0009] As a further improvement of the above technical solution, a fixed slot is provided on the head cross beam at a position corresponding to the limit block, and two fixed slots are provided. The two fixed slots are located above and below the mounting slot on the head cross beam and are arranged parallel to the mounting slot. The fixed slot is in the shape of a long strip on the head cross beam and passes through the head cross beam horizontally, and the cross-sectional area of ​​the fixed slot is arranged in a trapezoidal shape.

[0010] As a further improvement of the above technical solution, a Z-axis slide rail is provided on the mounting plate, a Z-axis slider matching the Z-axis slide rail is provided on the head beam, and the head beam is slidably connected to the mounting plate.

[0011] As a further improvement of the above technical solution, the lateral driving part includes a lateral driving motor, a driving gear, a transmission gear group and a rotating gear. The driving gear is fixed on the lateral driving motor and is rotationally connected to the rotating gear through the transmission gear group. The rotating gear includes multiple rotating gears, one rotating gear is fixed on each suction nozzle group, and the rotating gears are horizontally arranged on the suction nozzle group.

[0012] As a further improvement of the above technical solution, the transmission gear group includes a mounting portion and a sliding portion, and teeth are provided on both sides of the sliding portion, including short teeth meshing with the driving gear and long teeth meshing with the rotating gear. The mounting portion is fixed to the mounting plate, and a rack slide is provided on the mounting portion. The rack slide is located on the side of the mounting portion and extends from one end of the mounting portion to the other end. A sensing device is also provided on the side of the rack slide. The sensing device is located at a position on the mounting portion corresponding to the short teeth, and is used to detect the transmission distance of the rotating gear on the short teeth. A rack slider that cooperates with the rack slide is provided on the side of the sliding portion, and the rack slider includes a plurality of rack sliders, and the plurality of rack sliders slide on the rack slide together with the sliding portion.

[0013] As a further improvement of the above technical solution, the vertical drive part includes a vertical drive motor, a screw and a screw slider. The head beam is fixed on the screw slider. The vertical drive motor drives the screw to rotate, thereby driving the head beam and the screw slider located on the head beam to move up and down on the mounting plate.

[0014] As a further improvement of the above technical solution, a positioning detection groove is also provided on the mounting plate, and a positioning detection block is also provided at a position corresponding to the positioning detection groove on the head beam, and the positioning detection block is located in the middle of the two sliding blocks. The positioning detection groove and the positioning detection block are used together for positioning and detection of the head beam.

[0015] The beneficial effect of the present invention is that the present invention realizes the front and rear suction of patches between two rows of nozzle groups by cross-arranging the Z-axis part of the head and the Z-axis part of the head which are arranged crosswise at equal intervals. Compared with a single row of nozzle groups, the two rows of nozzle groups crosswise up and down can reduce the spacing between the nozzle groups without affecting the up and down movement of the nozzle groups, and as many nozzle groups as possible can be arranged on the same size of the nozzle head. The clever cross-type mounting structure greatly improves the mounting efficiency of the mounting machine, effectively saving production costs and production time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0017] Figure 1 It is a right axonometric assembly schematic diagram of the present invention;

[0018] Figure 2 It is a left axonometric assembly schematic diagram of the structure of the present invention;

[0019] Figure 3 It is a schematic diagram of the front structure of the Z-axis part of the machine head of the present invention;

[0020] Figure 4 It is a schematic diagram of the rear structure of the Z-axis part of the machine head of the present invention;

[0021] Figure 5 It is a schematic diagram of the front structure of the Z-axis portion under the head of the present invention;

[0022] Figure 6 It is a schematic diagram of the front structure of the Z-axis portion under the head of the present invention;

[0023] Figure 7 It is a schematic diagram of the structure of the nozzle assembly of the present invention;

[0024] Figure 8 It is a schematic diagram of the structure of the driving device of the present invention;

[0025] Fig. 9 It is a structural schematic diagram of the vertical drive part of the present invention;

[0026] Fig.10 It is an angle schematic diagram of the transmission gear set of the present invention;

[0027] Fig.11 This is a second angle schematic diagram of the transmission gear set of the present invention.

[0028] 1. Head beam; 11. Mounting slot; 12. Fixed slot;

[0029] 2. Connecting block; 21. Mounting hole; 22. Upper supporting block; 23. Lower supporting block; 24. Limiting block;

[0030] 3. Suction rod; 4. Suction nozzle;

[0031] 5. Mounting plate; 51. Z-axis slider; 52. Z-axis slide rail;

[0032] 6. lateral drive part; 61. lateral drive motor; 62. drive gear; 63. rotating gear; 64. mounting part; 641. rack slide rail; 642. induction device; 65. sliding part; 651. rack slider; 66. short teeth; 67. long teeth;

[0033] 7. Vertical drive part; 71. Vertical drive motor; 72. Screw rod; 73. Screw rod slider;

[0034] 8. Positioning detection slot; 9. Positioning detection block. DETAILED DESCRIPTION

[0035] The following will clearly and completely describe the concept, specific structure and technical effects of the present invention in combination with the embodiments and drawings, so as to fully understand the purpose, characteristics and effects of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, other embodiments obtained by technicians in this field without creative work are all within the scope of protection of the present invention. In addition, all the connection / connection relationships involved in the patent do not refer to the direct connection of components, but refer to the formation of a better connection structure by adding or reducing connection accessories according to the specific implementation situation. The various technical features in the invention can be combined interchangeably without conflicting with each other.

[0036] Reference Figure 1 , Figure 2A small-pitch cross-type high-efficiency placement head includes a driving device, a Z-axis part on the head and a Z-axis part under the head. The two head parts absorb and place patches, and the placement speed is faster and the placement efficiency is higher. The driving device is provided with two, which are used to drive the Z-axis part on the head and the Z-axis part under the head respectively. The driving device includes a mounting plate 5, a lateral driving part 6 and a vertical driving part 7. The mounting plate 5 is used to install the lateral driving part 6 and the vertical driving part 7. The lateral driving part 6 and the vertical driving part 7 are used to drive the Z-axis part on the head and the Z-axis part under the head to move in the Z-axis direction and rotate in the X-axis direction.

[0037] Two vertical drive parts 7 are placed side by side and fixed on the mounting plate 5 respectively. Each vertical drive part 7 is connected to a machine head cross beam 1. The vertical drive part 7 first drives the Z-axis part under the machine head to move in the Z-axis direction. When the Z-axis part under the machine head moves to the patch loading position, it stops moving, and the suction nozzle 4 starts to absorb the patch. The vertical drive part 7 then drives the Z-axis part under the machine head to move upward to the Z-axis and return to its position. After the return is completed, the vertical drive part 7 drives the Z-axis part on the machine head to move in the Z-axis direction. The Z-axis part on the machine head absorbs the patch and returns to its position, and is arranged crosswise with the Z-axis part under the machine head. The distance between the two suction nozzles of the single-row suction nozzle group 4 is greater than or equal to 12cm under the condition of ensuring normal operation, and the spacing between the two suction nozzles of the double-row cross-arranged group 4 can be reduced to 6cm. The Z-axis part on the machine head and the Z-axis part under the machine head that perform the patch absorption process respectively can achieve that the movement process will not interfere with each other when the suction head spacing is reduced, and the placement efficiency of the placement head is stably improved. Two lateral drive parts 6 are respectively arranged corresponding to the two machine head cross beams 1, and the two lateral drive parts 6 respectively drive the rotation of the Z-axis part on the machine head and the Z-axis part under the machine head as a whole;

[0038] The Z-axis part on the head and the Z-axis part under the head have the same structure, including a head crossbeam 1, a connecting block 2, a suction rod 3 and a suction nozzle 4. The suction rod 3, the suction nozzle 4 and the connecting block 2 are each provided with a plurality of them, and each suction rod 3, the suction nozzle 4 and the connecting block 2 form a suction nozzle 4 group. The 4 suction nozzles of the Z-axis part on the head and the Z-axis part under the head are arranged at equal intervals, the connecting block 2 of the Z-axis part on the head is located above the suction rod 3, and the connecting block 2 of the Z-axis part under the head is located below the suction rod 3. The 4 suction nozzles of the Z-axis part on the head and the Z-axis part under the head are arranged crosswise on the same horizontal line, and one suction nozzle of the Z-axis part on the head is inserted between two suction nozzles of the Z-axis part under the head, and two adjacent connection blocks 2 are staggered in the vertical direction and do not affect each other. The small spacing between the 4 suction nozzles is achieved, which expands the scope of use of the placement head.

[0039] Reference Figure 3 , Figure 4 , Figure 5 , Figure 6 , a mounting hole 21 is provided at the center of the connecting block 2, and a mounting groove 11 is provided at a position corresponding to the mounting hole 21 on the head beam 1, and the connecting block 2 is fixed to the head beam 1 by bolts and nuts. The mounting hole 21 is set as a through hole, and the mounting groove 11 is set in the middle of the head beam 1 and is perpendicular to the mounting hole 21. The vertical setting of the mounting groove 11 and the mounting hole 21 ensures the vertical installation of the bolt and the nut. The slot hole of the mounting groove 11 is set in a "T" shape, and the nut is located in the "T"-shaped mounting groove 11. The opening of the "T"-shaped mounting groove 11 is small and the internal space is large. When the nut is put in, it is stuck in the mounting groove 11 to form a snap connection. The structure of the mounting groove 11 is simple and ingenious, which is easy to install. A mounting hole 21 is provided at the center of the connecting block 2, and a mounting groove 11 is provided at a position corresponding to the mounting hole 21 on the head beam 1, and the connecting block 2 is fixed to the mounting crossbeam by bolts and nuts. The installation process of the connection block 2 is as follows: first insert the screw into the installation hole 21 on the connection block 2, gently screw the nut into the screw, put the nut in a loose state into the installation groove 11 from the tail, and put multiple nuts corresponding to multiple connection blocks 2 in sequence. After all the nuts are put into the installation groove 11, adjust the position of each connection block 2 on the head beam 1. After the adjustment is completed, rotate the screw in the installation hole 21 to tighten the screw and the nut in the installation groove 11, thereby completing the installation of the connection block 2. The installation and adjustment structure of the connection block 2 and the head beam 1 is simple, and the installation effect is good and the efficiency is high.

[0040] Reference Figure 7 An upper support block 22 and a lower support block 23 are provided on one surface of the connection block 2. The centers of the two support blocks are provided with through holes facing each other up and down, and the suction rod 3 is fixed in the through holes. The upper support block 22 and the lower support block 23 simultaneously fix and install the suction rod 3. The suction rod 3 is fixed up and down at the same time by a connection structure, which ensures the stability of the center of gravity of the suction rod 3, avoids the tilting and instability caused by uneven force of the suction rod 3 and the suction nozzle 4 during the process of adsorbing and pasting the patch, and ensures the production quality of the mounting product.

[0041] The connection block 2 is also provided with a limit block 24. The limit blocks 24 include two. The two limit blocks 24 are both set to trapezoids of the same size and are located on the opposite side of the support block. The two trapezoidal limit blocks 24 are arranged in parallel on the upper and lower sides of the connection block 2. The side of the inclined limit block 24 is more firmly connected to the fixed card slot 12. The position corresponding to the limit block 24 on the head beam 1 is provided with a fixed card slot 12. The fixed card slot 12 is provided with two. The two fixed card slots 12 are arranged above and below the mounting slot 11 on the head beam 1 and are arranged parallel to the mounting slot 11. The fixed card slot 12 is in the shape of a long strip on the head beam 1 and horizontally penetrates the head beam 1. The cross-sectional area of ​​the fixed card slot 12 is set in a trapezoidal shape. The trapezoidal limit block 24 corresponds to the trapezoidal fixed slot 12. The inclined side of the trapezoid makes it easier for the limit block 24 to contact the surface of the fixed slot 12, making it less likely to be misaligned, thereby avoiding operational errors during the installation of the connecting block 2 and the head beam 1.

[0042] The mounting plate 5 is provided with a Z-axis slide rail 52 , the machine head cross beam 1 is provided with a Z-axis slider 51 matched with the Z-axis slide rail 52 , and the machine head cross beam 1 is slidably connected with the mounting plate 5 .

[0043] Reference Figure 8 , Fig. 9 The lateral driving part 6 includes a lateral driving motor 61, a driving gear 62, a transmission gear set and a rotating gear 63. The driving gear 62 is fixed on the lateral driving motor 61 and is rotationally connected with the rotating gear 63 through the transmission gear set. The rotating gear 63 includes a plurality of rotating gears, one rotating gear 63 is fixed on each of the suction nozzles 4, and the rotating gears 63 are arranged horizontally on the suction nozzles 4. The plurality of rotating gears 63 mesh with the transmission gear set on the same horizontal line, and the transmission is integrated, so that the transmission efficiency is higher.

[0044] The vertical drive part 7 includes a vertical drive motor 71, a screw 72 and a screw slider 73. The screw 72 converts the rotation of the vertical drive motor 71 into the linear motion of the screw slider 73, with high transmission efficiency and stable motion process. The head beam 1 is fixed on the screw slider 73. The vertical drive motor 71 drives the screw 72 to rotate, thereby driving the head beam 1 and the screw slider 73 located on the head beam 1 to move up and down on the mounting plate 5. The Z-axis part on the head or the Z-axis part under the head is driven as a whole, with a simple and compact structure, a stable and efficient driving process, and a stable and controllable force on the suction head, which ensures the stability of the patch so that the patch will not be damaged due to uneven force.

[0045] The mounting plate 5 is provided with a Z-axis slide rail 52, which is located on the side of the vertical driving part 7 and is used to assist the vertical driving part 7 in controlling the up and down movement of the Z-axis part on the machine head or the Z-axis part under the machine head on the mounting plate 5. The Z-axis slide rail 52 is arranged in parallel with the vertical driving part 7, and its length is consistent with the height of the vertical driving part 7. The driving stroke of the vertical driving part 7 will not be affected by the Z-axis slide rail 52. The machine head cross beam 1 is provided with a Z-axis slider 51 that cooperates with the Z-axis slide rail 52, and the Z-axis slider 51 and the screw slider 73 are fixedly connected to the machine head cross beam 1 at the same time. When the screw 72 rotates, the screw slider 73 located on the screw 72 drives the machine head cross beam 1 to move, and the machine head cross beam 1 slides on the Z-axis slide rail 52 along with the Z-axis slider 51 fixed at the bottom. Then, a sliding connection is formed with the mounting plate 5. The movement of the auxiliary vertical drive part 7 is performed through the cooperation of the Z-axis slide rail 52 and the Z-axis slider 51, so that the movement process of the screw rod 72 can be controlled, and the vertical movement process of the Z-axis part on the head or the Z-axis part under the head by the screw rod 72 is more precise and stable.

[0046] Reference Fig.10 , Fig.11 The transmission gear set includes a mounting portion 64 and a sliding portion 65. Teeth are provided on both sides of the sliding portion 65, including short teeth 66 meshing with the driving gear 62 and long teeth 67 meshing with the rotating gear 63. The short teeth 66 mesh with the driving gear 62 to control the rotation of the suction head. Since the rotation range of the suction head is from 0 to 360 degrees, the short teeth 66 have fewer teeth, and the long teeth 67 mesh with the rotating gear 63. Since there are multiple rotating gears 63, multiple rotating gears 63 are meshed with the long teeth 67, so the long teeth 67 have more teeth and a longer distance. The mounting portion 64 is fixed on the mounting plate 5, and a rack rail 641 is provided on the mounting portion 64. The rack rail 641 is located on the side of the mounting portion 64 and extends from one end to the other end of the mounting portion 64. A sensing device 642 is also provided on the side of the rack rail 641. The sensing device 642 is located on the mounting portion 64 at a position corresponding to the short teeth 66, and is used to detect the transmission distance of the rotating gear 63 on the short teeth 66. A rack slider 651 is provided on the side of the sliding portion 65 to cooperate with the rack rail 641. The rack slider 651 includes a plurality of rack sliders 651, and the plurality of rack sliders 651 slide on the rack rail 641 together with the sliding portion 65. The rack slider 651 drives the sliding portion 65 to slide on the rack rail 641, which supports the sliding portion 65 without affecting the transmission process of the sliding portion 65. The sliding part 65 that slides by cooperating with the rack slide rail 641 and the rack slider 651 is more stable when transmitting the transverse driving part 6, and the transmission efficiency is higher.

[0047] The mounting plate 5 is also provided with a positioning detection groove 8, and the position of the head beam 1 corresponding to the positioning detection groove 8 is also provided with a positioning detection block 9, and the positioning detection block 9 is located in the middle of the two sliders. The positioning detection groove 8 and the positioning detection block 9 are used to locate and detect the head beam 1, determine the sliding position of the head beam 1, and control the head beam 1. The above is a specific description of the preferred implementation of the present invention, but the invention is not limited to the embodiments. Those skilled in the art can also make various equivalent deformations or substitutions without violating the spirit of the present invention, and these equivalent deformations or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A small-pitch cross-type high-efficiency placement head, characterized by: It includes a driving device, a Z-axis part on the machine head and a Z-axis part under the machine head. The driving device is provided with two, which are used to drive the Z-axis part on the machine head and the Z-axis part under the machine head respectively. The driving device includes a mounting plate, a transverse driving part and a vertical driving part. The mounting plate is used to install the transverse driving part and the vertical driving part. The transverse driving part and the vertical driving part are used to drive the Z-axis part on the machine head and the Z-axis part under the machine head to move in the Z-axis direction and rotate in the X-axis direction. The vertical driving part first drives the Z-axis part under the machine head to move in the Z-axis direction, and then drives the Z-axis part on the machine head to move in the Z-axis direction. The Z-axis part on the head and the Z-axis part under the head have the same structure, including a head crossbeam, a connecting block, a suction rod and a suction nozzle. A plurality of suction rods, suction nozzles and connecting blocks are provided correspondingly, and each suction rod, suction nozzle and connecting block form a suction nozzle group. The suction nozzle groups of the Z-axis part on the head and the Z-axis part under the head are arranged at equal intervals. The connecting block of the Z-axis part on the head is located above the suction rod, and the connecting block of the Z-axis part under the head is located below the suction rod. The suction nozzle groups of the Z-axis part on the head and the Z-axis part under the head are cross-arranged on the same horizontal line. Four groups of suction nozzles on the Z-axis part of one machine head are inserted between the suction nozzle groups on the Z-axis part of the two machine heads, and two adjacent connecting blocks are staggered with each other in the vertical direction.

2. According to claim 1, a small pitch cross-type high-efficiency placement head, characterized in that: A mounting hole is provided at the center of the connecting block, and a mounting groove is provided at a position on the machine head cross beam corresponding to the mounting hole. The connecting block is fixed to the machine head cross beam by bolts and nuts.

3. According to claim 2, a small pitch cross-type high-efficiency placement head, characterized in that: The mounting hole is configured as a through hole, the mounting groove is configured in the middle of the machine head cross beam and is perpendicular to the mounting hole, the groove hole of the mounting groove is configured in a "T" shape, and the nut is located in the "T" shaped mounting groove.

4. According to claim 2, a small pitch cross-type high-efficiency placement head, characterized in that: An upper support block and a lower support block are provided on one surface of the connecting block, and through holes opposite to each other are provided in the centers of the two support blocks. The suction rod is fixed in the through holes. A limit block is also provided on the connecting block, and the limit block includes two limit blocks. Both limit blocks are arranged to be trapezoids of the same size and are located on opposite surfaces of the support block. The two trapezoidal limit blocks are arranged in parallel on the connecting block in an upper and lower manner.

5. According to claim 4, a small pitch cross-type high-efficiency placement head, characterized in that: A fixed slot is provided on the head cross beam at a position corresponding to the limit block. There are two fixed slots, which are arranged above and below the mounting slot on the head cross beam and are arranged parallel to the mounting slot. The fixed slot is in the shape of a long strip on the head cross beam and passes through the head cross beam horizontally. The cross-sectional area of ​​the fixed slot is arranged in a trapezoidal shape.

6. According to claim 1, a small pitch cross-type high-efficiency placement head, characterized in that: The mounting plate is provided with a Z-axis slide rail, the machine head cross beam is provided with a Z-axis slider matched with the Z-axis slide rail, and the machine head cross beam is slidably connected with the mounting plate.

7. According to claim 1, a small pitch cross-type high-efficiency placement head, characterized in that: The transverse driving part includes a transverse driving motor, a driving gear, a transmission gear group and a rotating gear. The driving gear is fixed on the transverse driving motor and is rotationally connected to the rotating gear through the transmission gear group. The rotating gear includes multiple rotating gears, one rotating gear is fixed on each suction nozzle group, and the rotating gears are horizontally arranged on the suction nozzle group.

8. According to claim 7, a small pitch cross-type high-efficiency placement head, characterized in that: The transmission gear set includes a mounting portion and a sliding portion, and teeth are provided on both sides of the sliding portion, including short teeth meshing with the driving gear and long teeth meshing with the rotating gear. The mounting portion is fixed to a mounting plate, and a rack slide rail is provided on the mounting portion. The rack slide rail is located on the side of the mounting portion and extends from one end of the mounting portion to the other end. A sensing device is also provided on the side of the rack slide rail. The sensing device is located at a position on the mounting portion corresponding to the short teeth, and is used to detect the transmission distance of the rotating gear on the short teeth. A rack slider that cooperates with the slide rail is provided on the side of the sliding portion, and the rack slider includes a plurality of rack sliders, and the plurality of rack sliders slide on the rack slide rail together with the sliding portion.

9. The small pitch cross-type high-efficiency placement head according to claim 1, characterized in that: The vertical drive part includes a vertical drive motor, a screw and a screw slider. The head beam is fixed on the screw slider. The vertical drive motor drives the screw to rotate, thereby driving the head beam and the screw slider located on the head beam to move up and down on the mounting plate.

10. The small pitch cross-type high-efficiency placement head according to claim 1, characterized in that: The mounting plate is also provided with a positioning detection groove, and the position corresponding to the positioning detection groove on the head beam is also provided with a positioning detection block, the positioning detection block is located in the middle of the two sliders, and the positioning detection groove and the positioning detection block are used together for positioning and detection of the head beam.

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