Dispensing machine for electronic product production

Abstract

The invention provides a dispensing machine for electronic product production, and relates to the field of dispensing machines, the dispensing machine comprises a dispensing table and a lifting device, a sliding seat is arranged at the bottom of the dispensing table, an adjusting block is arranged at the top of the sliding seat, and a plurality of dispensing heads are arranged between the adjusting block and the sliding seat; the lifting device comprises an electric push rod A and a lifting plate, a plurality of sliding blocks are arranged on the front face of the lifting plate in a sliding mode, connecting plates are detachably connected to the upper ends and the lower ends of the sliding blocks, the connecting plates located on the lower portion are detachably connected with the dispensing heads respectively, and a connecting rod mechanism used for synchronously adjusting the distance between the sliding blocks is arranged on the lifting plate. And a damping positioning device is arranged on the lifting plate. The distance between the dispensing heads can be synchronously adjusted by controlling the sliding blocks to move, so that the dispensing requirements of different types of circuit boards are met, the trapezoidal rubber ribs for locking the dispensing heads after positioning are flexibly connected with the clamping blocks, when the connecting rod mechanism is started accidentally, the trapezoidal rubber ribs cannot limit the connecting plate, and the connecting rod mechanism is prevented from being damaged. And the safety is better.

Description

Technical Field

[0001] The invention relates to the technical field of glue dispensing machines, and in particular to a glue dispensing machine for producing electronic products. Background Art

[0002] A glue dispensing machine is an automated machine that is specially used to control fluids. It is also called a glue coating machine, a glue dripping machine, a glue dispenser, a glue filling machine, etc. A glue dispensing jig is an auxiliary tool specially used in the glue dispensing process. In the production of electronic products, glue dispensing jigs are usually used for glue dispensing and fixing of components such as touch screens and circuit boards for subsequent packaging and assembly.

[0003] For example, the Chinese patent with application number CN202122928800.8 discloses a dispensing mechanism with a spacing adjustment function, including an XYZ drive module, and the XYZ drive module is provided with a dispensing adjustment module capable of manually adjusting the spacing between dispensing valves. The utility model adopts a dispensing adjustment module capable of manually adjusting the spacing between two dispensing valves. Each dispensing valve can adjust the distance between each other by locking screws. This adjustment method can be set according to the actual dispensing position of the product, and the design is more flexible. The utility model also has a simple structure and is easy to adjust. However, since the spacing adjustment between each dispensing valve is completed manually, it is not flexible enough during adjustment, and the spacing between each dispensing valve cannot be adjusted synchronously.

[0004] For example, the Chinese patent application number CN201921237710.0 discloses a glue dispensing claw for a plywood glue dispensing machine that is convenient for adjusting the spacing between glue claws, including a protective mechanism, a connecting rod, a glue claw and a telescopic mechanism. A connecting rod is connected to one side of the protective mechanism, and a glue claw is installed at one end of the connecting rod. A fixing bolt and a slide groove are sequentially arranged on one side of the protective mechanism, and a compression bolt is arranged on one side of the slide groove. A telescopic mechanism is arranged inside the protective mechanism. The glue dispensing claw for the plywood glue dispensing machine that is convenient for adjusting the spacing between glue claws can drive all connecting rods to move through the extension or contraction of the telescopic mechanism, thereby driving all glue claws to move, thereby achieving overall adjustment of the glue claws and improving the working efficiency of adjusting the glue claws. Since the glue claws are fixedly mounted on the connecting rod structure, the connecting rod structure is controlled by a precise telescopic mechanism. The telescopic mechanism will inevitably cause the connecting rod structure to produce a certain hysteresis effect during the extension or contraction process. Therefore, when the connecting rod structure is used to accurately control the position of the glue claw, the glue claw will shake to a certain extent, thereby affecting the stable dispensing of the glue claw. Summary of the invention

[0005] In view of the above problems, the present invention proposes a dispensing machine for the production of electronic products. The dispensing machine can synchronously adjust the distance between each dispensing head by controlling the movement of each slider, so as to meet the dispensing needs of circuit boards of different styles. The trapezoidal rubber ribs used to lock the dispensing head after positioning are flexibly connected to the clamping block. When the connecting rod mechanism is accidentally started, the trapezoidal rubber ribs will not restrict the connecting plate, thereby improving the service life of the connecting rod mechanism on the dispensing machine.

[0006] To achieve the purpose of the present invention, the present invention is implemented by the following technical scheme: a glue dispensing machine for electronic product production, comprising a glue dispensing table and a lifting device, a slide seat is provided at the bottom of the glue dispensing table, an adjustment block is provided at the top of the slide seat, the slide seat and the adjustment block are both slidably connected to the glue dispensing table, and a plurality of glue dispensing heads are provided between the adjustment block and the slide seat; The lifting device includes an electric push rod A and a lifting plate, the mounting end of the electric push rod A is fixedly connected to the adjustment block, and the output end of the electric push rod A is fixedly connected to the back of the lifting plate; A plurality of sliders are provided on the front side of the lifting plate for sliding, and each slider is evenly distributed along the length direction of the lifting plate. The upper and lower ends of the sliders are detachably connected with connecting plates, and each connecting plate at the bottom is detachably connected with each dispensing head. A connecting rod mechanism for synchronously adjusting the distance between each slider is provided on the lifting plate, and a damping positioning device for limiting the sliding of the connecting plate is provided on the lifting plate; The damping positioning device includes a clamping block, an opening and closing assembly, and two groups of trapezoidal rubber ribs. The clamping block is detachably connected to the side of the connecting plate away from the slider. A trapezoidal clamping groove is provided on the side of the clamping block away from the connecting plate. Each trapezoidal clamping groove matches the two groups of trapezoidal rubber ribs respectively. The opening and closing assembly is placed at the upper and lower ends of the lifting plate, and is used to push the trapezoidal rubber ribs into the trapezoidal clamping grooves and apply pressure.

[0007] A further improvement is that a guide rail is laid on the front of the lifting plate, the guide rail is fixedly connected to the lifting plate, and each slider is slidably connected to the guide rail.

[0008] A further improvement is that the connecting rod mechanism includes a plurality of cross-arranged shear rods, the intersection of each shear rod is pivotally connected by a pivot, the pivot is rotatably connected to the side of the slider away from the lifting plate, one of the shear rods is provided with an electric push rod B for pushing each shear rod to open and close, and the output end of the electric push rod B is hinged to the shear rod.

[0009] Further improvement is that the opening and closing assembly includes two groups of adjustment plates and two groups of screw rods, the adjustment plates are fixedly connected to the side of the trapezoidal rubber rib away from the clamping block, the two screw rods are rotatably connected to the upper and lower ends of the lifting plate respectively, the two groups of screw rods respectively penetrate the two groups of adjustment plates, the adjustment plates and the screw rod threads cooperate, the threads on the outer sides of the two groups of adjustment plates rotate in opposite directions, a driving member for controlling the synchronous rotation of the two groups of screw rods is provided on the back of the lifting plate, and a limit member for limiting the up and down movement of the adjustment plate is provided on the lifting plate.

[0010] A further improvement is that the driving member includes a transmission box, which is fixedly connected to the back of the lifting plate. Two bevel gears and a transmission shaft are arranged in the transmission box. The transmission shaft is fixedly connected to two sets of screws, one of which is fixedly connected to the outside of the screw, and the other is fixedly connected to the output end of the motor arranged on the outside of the transmission box.

[0011] A further improvement is that the limiting member includes at least two groups of limiting rods, which are respectively fixedly connected to the upper and lower ends of the lifting plate, and the two groups of limiting rods respectively penetrate the two groups of adjustment plates. The adjustment plates are slidably connected to the limiting rods, and a nut is provided at the end of the limiting rod away from the lifting plate to prevent the adjustment plates from separating from the limiting rods.

[0012] Further improvements are: a protective cover is provided on the front of the lifting plate, a connecting rod structure is placed inside the protective cover, bolt plates are fixedly connected on the left and right sides of the protective cover, fixing bolts are installed on the bolt plates, the fixing bolts are threadedly connected to the bolt holes opened on the outside of the lifting plate, and the mounting end of the electric push rod B is hinged to the hinge seat fixed on the outside of the protective cover.

[0013] Further improvement is that: the glue dispensing head is fixedly connected to a glue head holder on the side facing the lifting plate, a slot is provided on the glue head holder, the slot is engaged with the connecting plate, the outer side of the glue head holder is threadedly connected to a mounting bolt, the mounting bolt passes through the slot and is threadedly connected to the bolt hole provided on the outer side of the connecting plate.

[0014] A further improvement is that: an insert block and a slot are provided on the facing sides of the connecting plate and the clamping block, the insert block is fixedly connected to the connecting plate, the slot is opened on the outside of the clamping block and cooperates with the insert block, a threaded hole is opened on the outside of the insert block, a positioning bolt B is threadedly connected to the outside of the clamping block, the positioning bolt B is inserted into the slot and threadedly connected to the threaded hole.

[0015] A further improvement is that: the connecting plate is provided with a groove on the side facing the slider, the slider is engaged with the groove, a positioning bolt A is threadedly connected to the outer side of the connecting plate, the positioning bolt A penetrates into the groove and is threadedly connected to the positioning hole provided on the outer side of the slider.

[0016] The beneficial effects of the present invention are as follows: the connecting rod mechanism of the present invention can synchronously adjust the spacing between each dispensing head by adjusting the distance between each slider, thereby meeting the dispensing needs of circuit boards of different styles, and has high flexibility. When adjusting the spacing and after completing the spacing adjustment, the opening and closing assembly will synchronously push the two sets of trapezoidal rubber ribs into the trapezoidal clamping grooves on the clamping block, and apply pressure with adjustable force, and limit the secondary movement of the connecting plate through the damping between the trapezoidal rubber ribs and the clamping block, thereby improving the dispensing and positioning stability of the dispensing head. Since the trapezoidal rubber ribs and the clamping block are connected in a flexible manner, when the connecting rod mechanism is accidentally started, the trapezoidal rubber ribs will not restrict the connecting plates fixed to the upper and lower ends of the slider, thereby protecting the connecting rod mechanism and improving the service life of the connecting rod mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the glue dispensing station in the present invention.

[0018] Figure 2 It is a structural diagram of the glue dispensing head in the present invention.

[0019] Figure 3 It is a structural diagram of the midpoint lifting plate of the present invention.

[0020] Figure 4 It is a separate structural diagram of the lifting plate, the protective cover and the dispensing head in the present invention.

[0021] Figure 5 It is a structural diagram of the shear rod in the present invention.

[0022] Figure 6 It is a structural diagram of the connection plate in the present invention.

[0023] Among them: 1. Glue dispensing table; 2. Slide seat; 3. Adjustment block; 4. Electric push rod A; 5. Glue dispensing head; 6. Lifting plate; 7. Protective cover; 8. Connecting plate; 9. Glue head holder; 11. Electric push rod B; 12. Limit rod; 13. Nut; 14. Adjustment plate; 15. Trapezoidal rubber rib; 16. Transmission box; 17. Screw; 18. Motor; 19. Slider; 20. Guide rail; 21. Clamp block; 22. Trapezoidal clamping groove; 23. Shear rod; 24. Pivot; 25. Positioning bolt A; 26. Insert block; 27. Positioning hole; 28. Positioning bolt B. DETAILED DESCRIPTION

[0024] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with examples. The examples are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention.

[0025] according to Figure 1-Figure 6 As shown, this embodiment proposes a glue dispensing machine for electronic product production, including a glue dispensing platform 1 and a lifting device, a slide seat 2 is provided at the bottom of the glue dispensing platform 1, an adjustment block 3 is provided at the top of the slide seat 2, the slide seat 2 and the adjustment block 3 are both slidably connected to the glue dispensing platform 1, and a plurality of glue dispensing heads 5 are provided between the adjustment block 3 and the slide seat 2; The lifting device includes an electric push rod A4 and a lifting plate 6, the mounting end of the electric push rod A4 is fixedly connected to the adjustment block 3, and the output end of the electric push rod A4 is fixedly connected to the back of the lifting plate 6; During glue dispensing, the glue dispensing jig is placed on the slide 2, the adjustment block 3 adjusts the electric push rod A4 on the X-axis position, the glue dispensing head 5 is arranged on the front of the lifting plate 6, and the electric push rod A4 pushes each glue dispensing head 5 to fall synchronously through the lifting plate 6 to perform the glue dispensing operation.

[0026] A plurality of sliders 19 are slidably arranged on the front of the lifting plate 6, and each slider 19 is evenly distributed along the length direction of the lifting plate 6. The upper and lower ends of the sliders 19 are detachably connected with connecting plates 8, and each connecting plate 8 at the bottom is detachably connected with each dispensing head 5. A connecting rod mechanism for synchronously adjusting the distance between each slider 19 is provided on the lifting plate 6, and a damping positioning device for limiting the sliding of the connecting plate 8 is provided on the lifting plate 6; Each dispensing head 5 is fixed by each connecting plate 8 and each slider 19 on the front side of the lifting plate 6. The connecting rod mechanism can synchronously adjust the spacing between each dispensing head 5 by adjusting the distance between each slider 19, thereby meeting the dispensing needs of circuit boards of different styles with high flexibility.

[0027] The damping positioning device includes a clamping block 21, an opening and closing assembly and two groups of trapezoidal rubber ribs 15. The clamping block 21 is detachably connected to the side of the connecting plate 8 away from the slider 19. A trapezoidal clamping groove 22 is provided on the side of the clamping block 21 away from the connecting plate 8. Each trapezoidal clamping groove 22 is matched with the two groups of trapezoidal rubber ribs 15 respectively. The opening and closing assembly is placed at the upper and lower ends of the lifting plate 6, and is used to push the trapezoidal rubber ribs 15 into the trapezoidal clamping groove 22 and apply pressure.

[0028] When adjusting the spacing and after the spacing adjustment is completed, the opening and closing assembly will synchronously push the two sets of trapezoidal rubber ribs 15 into the trapezoidal clamping grooves 22 on the clamping block 21, and apply pressure with adjustable force, and through the damping between the trapezoidal rubber ribs 15 and the clamping block 21, the secondary movement of the connecting plate 8 is limited, thereby improving the dispensing and positioning stability of the dispensing head 5. Since the trapezoidal rubber ribs 15 and the clamping block 21 are connected in a flexible manner, when the connecting rod mechanism is accidentally started, the trapezoidal rubber ribs 15 will not restrict the connecting plate 8 fixed to the upper and lower ends of the slider 19, thereby protecting the connecting rod mechanism and improving the service life of the connecting rod mechanism.

[0029] It is worth explaining in detail that a guide rail 20 is laid on the front of the lifting plate 6, the guide rail 20 is fixedly connected to the lifting plate 6, and each slider 19 is slidably connected to the guide rail 20. The guide rail 20 fixed on the front of the lifting plate 6 is used to limit the slider 19 to ensure that the spacing adjustment of the dispensing head 5 is stable.

[0030] About the connecting rod mechanism: The connecting rod mechanism includes a plurality of cross-arranged shear rods 23, and the intersection of each shear rod 23 is pivotally connected by a pivot 24. The pivot 24 is rotatably connected to the side of the slider 19 away from the lifting plate 6. One of the shear rods 23 is provided with an electric push rod B11 for pushing each shear rod 23 to open and close, and the output end of the electric push rod B11 is hinged to the shear rod 23.

[0031] Each slider 19 is respectively arranged at the intersection of each shear rod 23 and connected to the shear rod 23 through a pivot 24. When the electric push rod B11 pushes one of the shear rods 23 on the connecting rod mechanism to unfold, each shear rod 23 connected to the shear rod 23 will also unfold, the distance between the pivots 24 and the pivots 24 will expand, and the distance between the sliders 19 will also expand. When the shear rod 23 is pulled, the distance between the pivots 24 and the pivots 24 will decrease, and the distance between the sliders 19 will also decrease.

[0032] About opening and closing components: The opening and closing assembly includes two groups of adjustment plates 14 and two groups of screws 17. The adjustment plates 14 are fixedly connected to the side of the trapezoidal rubber rib 15 away from the clamping block 21. The two screws 17 are rotatably connected to the upper and lower ends of the lifting plate 6 respectively. The two groups of screws 17 pass through the two groups of adjustment plates 14 respectively. The adjustment plates 14 and the screws 17 are threadedly matched. The threads on the outer sides of the two groups of adjustment plates 14 rotate in opposite directions. A driving member for controlling the synchronous rotation of the two groups of screws 17 is provided on the back of the lifting plate 6, and a limit member for limiting the up and down movement of the adjustment plate 14 is provided on the lifting plate 6.

[0033] After completing the spacing adjustment of each dispensing head 5, the driving part controls the two sets of screws 17 to rotate synchronously, and the screws 17 and the adjusting plate 14 are threadedly matched. When the screws 17 rotate, the adjusting plate 14 will move up and down along the shaft of the screws 17. When the adjusting plate 14 approaches the clamping block 21, the adjusting plate 14 will push the trapezoidal rubber ribs 15 into the clamping block 21, and the damping between the clamping block 21 and the trapezoidal rubber ribs 15 will limit the shaking of the connecting plate 8. Due to the different rotation directions of the outer threads of the two sets of screws 17, when the two sets of screws 17 rotate synchronously, the two sets of adjusting plates 14 will move synchronously in opposite directions along the shaft of the screws 17. The upper and lower two-way limit method can further ensure the stable positioning of the slider 19 and the dispensing head 5.

[0034] The rotation of the screw rod 17 is controlled by a driving member, specifically, the driving member includes a transmission box 16, the transmission box 16 is fixedly connected to the back of the lifting plate 6, two bevel gears and a transmission shaft are arranged in the transmission box 16, the transmission shaft is fixedly connected to two groups of screw rods 17, one of the bevel gears is fixedly connected to the outside of the screw rod 17, and the other bevel gear is fixedly connected to the output end of the motor 18 arranged outside the transmission box 16. Two bevel gears and a transmission shaft are arranged on the inner side of the transmission box 16, and the screw rod 17 drives the two groups of screw rods 17 to rotate synchronously through the bevel gear transmission, which will not be described in detail here.

[0035] In order to prevent the two groups of adjustment plates 14 from being skewed when they move vertically, the limiting member includes at least two groups of limiting rods 12, which are respectively fixedly connected to the upper end and the lower end of the lifting plate 6. The two groups of limiting rods 12 penetrate the two groups of adjustment plates 14 respectively, and the adjustment plates 14 are slidably connected with the limiting rods 12. The limiting rods 12 are provided at the ends away from the lifting plate 6 with nuts 13 for preventing the adjustment plates 14 from being separated from the limiting rods 12. When the adjustment plates 14 move, they slide along the rod body of the limiting rods 12. The limiting rods 12 cooperate with the adjustment plates 14 to limit the adjustment plates 14 from both ends of the plate body. The nuts 13 are fixed to the ends of the limiting rods 12 by threaded connection. When the adjustment plates 14 are removed, each nut 13 can be screwed out from the limiting rods 12 and the ends of the screws 17.

[0036] In order to protect the slider 19 and the connecting rod mechanism on the lifting plate 6, a protective cover 7 is provided on the front of the lifting plate 6, and the connecting rod structure is placed in the protective cover 7. Bolt plates are fixedly connected on the left and right sides of the protective cover 7. The bolt plates are equipped with fixing bolts. The fixing bolts are threadedly connected to the bolt holes opened on the outside of the lifting plate 6. The mounting end of the electric push rod B11 is hinged to the hinge seat fixed on the outside of the protective cover 7. The protective cover 7 is provided on the front of the lifting plate 6 to protect the slider 19, guide rail 20 and connecting rod structure installed on the lifting plate 6, so as to avoid the collision of the components on the lifting plate 6 with foreign objects when the lifting plate 6 is translated, resulting in damage to the transmission components, thereby improving the safety of the dispensing equipment.

[0037] See also Figure 4 To facilitate the replacement of the dispensing head 5, in a preferred solution, a dispensing head 5 is fixedly connected to a dispensing head holder 9 on one side facing the lifting plate 6. A slot is provided on the dispensing head holder 9, which engages with the connecting plate 8. The outer side of the dispensing head holder 9 is threadedly connected with a mounting bolt, which penetrates into the slot and is threadedly connected with a bolt hole provided on the outer side of the connecting plate 8. The dispensing head 5 is fixed to the connecting plate 8 by a threaded connection. When the dispensing head 5 is removed, the mounting bolt on the outer side of the dispensing head holder 9 can be screwed out from the bolt hole on the outer side of the connecting plate 8.

[0038] See also Figure 6 In order to facilitate the replacement of the clamping block 21, in the preferred solution, the connecting plate 8 and the clamping block 21 are provided with an inserting block 26 and a slot on the opposite sides thereof. The inserting block 26 is fixedly connected to the connecting plate 8. The slot is provided on the outside of the clamping block 21 and cooperates with the inserting block 26. A threaded hole is provided on the outside of the inserting block 26. A positioning bolt B28 is threadedly connected to the outside of the clamping block 21. The positioning bolt B28 penetrates into the slot and is threadedly connected to the threaded hole. Similarly, the clamping block 21 is also fixed to the connecting plate 8 by a threaded connection. However, the difference is that when the clamping block 21 is installed, the inserting block 26 at the end of the connecting plate 8 will be inserted into the slot provided on the connecting surface of the clamping block 21. The inserting block 26 cooperates with the slot to improve the structural strength of the connection between the clamping block 21 and the connecting plate 8 from the inside of the clamping block 21.

[0039] To facilitate the replacement of the motor 8, in a preferred solution, a groove is provided on the connecting plate 8 facing the slider 19, the slider 19 is engaged with the groove, and a positioning bolt A25 is threadedly connected to the outer side of the connecting plate 8, the positioning bolt A25 penetrates into the groove and is threadedly connected to the positioning hole 27 provided on the outer side of the slider 19. Similarly, when removing the connecting plate 8 from the slider 19, the positioning bolt A25 on the outer side of the connecting plate 8 can be screwed out of the positioning hole 27 on the outer side of the motor 18.

[0040] The slider 19, the connecting plate 8, the clamping block 21 and the rubber head holder 9 are all designed as split structures. The split structure design makes it easy to replace each component separately and is convenient for daily maintenance.

[0041] Each dispensing head 5 on the dispensing machine for electronic product production is fixed by each connecting plate 8 and each slider 19 on the front of the lifting plate 6. The connecting rod mechanism can adjust the distance between each dispensing head 5 synchronously by adjusting the distance between each slider 19, so as to meet the dispensing needs of different styles of circuit boards, and has high flexibility. When adjusting the spacing and after completing the spacing adjustment, the opening and closing component will synchronously push the two groups of trapezoidal rubber ribs 15 into the trapezoidal clamping groove 22 on the clamping block 21, and apply pressure with adjustable force. Through the damping between the trapezoidal rubber ribs 15 and the clamping block 21, the secondary movement of the connecting plate 8 is limited, and the dispensing and positioning stability of the dispensing head 5 are improved. Since the trapezoidal rubber ribs 15 and the clamping block 21 are connected in a flexible manner, when the connecting rod mechanism is accidentally started, the trapezoidal rubber ribs 15 will not restrict the connecting plate 8 fixed at the upper and lower ends of the slider 19, thereby protecting the connecting rod mechanism and improving the service life of the connecting rod mechanism.

[0042] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A glue dispensing machine for electronic product production, comprising a glue dispensing platform (1) and a lifting device, wherein a slide seat (2) is provided at the bottom of the glue dispensing platform (1), an adjustment block (3) is provided at the top of the slide seat (2), the slide seat (2) and the adjustment block (3) are both slidably connected to the glue dispensing platform (1), and a plurality of glue dispensing heads (5) are provided between the adjustment block (3) and the slide seat (2), characterized in that: The lifting device comprises an electric push rod A (4) and a lifting plate (6), wherein the mounting end of the electric push rod A (4) is fixedly connected to the adjustment block (3), and the output end of the electric push rod A (4) is fixedly connected to the back of the lifting plate (6); The front side of the lifting plate (6) is provided with a plurality of sliding blocks (19) for sliding movement, and each of the sliding blocks (19) is evenly distributed along the length direction of the lifting plate (6). The upper and lower ends of the sliding blocks (19) are detachably connected with connecting plates (8), and each of the connecting plates (8) at the bottom is detachably connected to each of the dispensing heads (5). The lifting plate (6) is provided with a connecting rod mechanism for synchronously adjusting the distance between each of the sliding blocks (19), and the lifting plate (6) is provided with a damping positioning device for limiting the sliding of the connecting plates (8); The damping positioning device comprises a clamping block (21), an opening and closing assembly, and two groups of trapezoidal rubber ribs (15); the clamping block (21) is detachably connected to the side of the connecting plate (8) away from the sliding block (19); a trapezoidal clamping groove (22) is provided on the side of the clamping block (21) away from the connecting plate (8); each of the trapezoidal clamping grooves (22) is matched with the two groups of trapezoidal rubber ribs (15), respectively; the opening and closing assembly is placed at the upper and lower ends of the lifting plate (6) and is used to push the trapezoidal rubber ribs (15) into the trapezoidal clamping grooves (22) and apply pressure.

2. The dispensing machine for electronic product production according to claim 1, characterized in that: A guide rail (20) is laid on the front of the lifting plate (6), the guide rail (20) is fixedly connected to the lifting plate (6), and each of the sliding blocks (19) is slidably connected to the guide rail (20).

3. The glue dispensing machine for electronic product production according to claim 1, characterized in that: The connecting rod mechanism comprises a plurality of cross-arranged shear rods (23), the intersection of each shear rod (23) being pivotally connected via a pivot (24), the pivot (24) being rotatably connected to a side of the slider (19) away from the lifting plate (6), one of the shear rods (23) being provided with an electric push rod B (11) for pushing each of the shear rods (23) to open and close, the output end of the electric push rod B (11) being hinged to the shear rod (23).

4. The glue dispensing machine for electronic product production according to claim 1, characterized in that: The opening and closing assembly comprises two groups of adjustment plates (14) and two groups of screw rods (17), wherein the adjustment plates (14) are fixedly connected to a side of the trapezoidal rubber rib (15) away from the clamping block (21), and the two screw rods (17) are rotatably connected to the upper end and the lower end of the lifting plate (6), respectively, and the two groups of screw rods (17) respectively penetrate the two groups of adjustment plates (14), and the adjustment plates (14) and the screw rods (17) are threadedly matched, and the threads on the outer sides of the two groups of adjustment plates (14) rotate in opposite directions. A driving member for controlling the synchronous rotation of the two groups of screw rods (17) is provided on the back of the lifting plate (6), and a limiting member for limiting the upward and downward movement of the adjustment plate (14) is provided on the lifting plate (6).

5. The glue dispensing machine for electronic product production according to claim 4, characterized in that: The driving member comprises a transmission box (16), wherein the transmission box (16) is fixedly connected to the back of the lifting plate (6), wherein two bevel gears and a transmission shaft are arranged inside the transmission box (16), wherein the transmission shaft is fixedly connected to two sets of the screw rods (17), wherein one of the bevel gears is fixedly connected to the outside of the screw rods (17), and the other bevel gear is fixedly connected to the output end of a motor (18) arranged outside the transmission box (16).

6. The glue dispensing machine for electronic product production according to claim 4, characterized in that: The limiting member comprises at least two groups of limiting rods (12), the two groups of limiting rods (12) being fixedly connected to the upper end and the lower end of the lifting plate (6), respectively, the two groups of limiting rods (12) respectively penetrate the two groups of adjusting plates (14), the adjusting plates (14) are slidably connected to the limiting rods (12), and a nut (13) for preventing the adjusting plates (14) from separating from the limiting rods (12) is provided at one end of the limiting rod (12) away from the lifting plate (6).

7. The glue dispensing machine for electronic product production according to claim 3, characterized in that: A protective cover (7) is provided on the front of the lifting plate (6), the connecting rod structure is placed in the protective cover (7), bolt plates are fixedly connected to the left and right sides of the protective cover (7), and the bolt plates are equipped with fixing bolts, which are threadedly connected to bolt holes opened on the outside of the lifting plate (6), and the mounting end of the electric push rod B (11) is hinged to a hinge seat fixed on the outside of the protective cover (7).

8. The glue dispensing machine for electronic product production according to claim 1, characterized in that: The glue dispensing head (5) is fixedly connected to a glue head holder (9) on one side facing the lifting plate (6); a slot is provided on the glue head holder (9), the slot is engaged with the connecting plate (8), and a mounting bolt is threadedly connected to the outer side of the glue head holder (9); the mounting bolt penetrates into the slot and is threadedly connected to a bolt hole provided on the outer side of the connecting plate (8).

9. The glue dispensing machine for electronic product production according to claim 1, characterized in that: An insert block (26) and a slot are provided on the facing sides of the connecting plate (8) and the clamping block (21); the insert block (26) is fixedly connected to the connecting plate (8); the slot is provided on the outside of the clamping block (21) and cooperates with the insert block (26); a threaded hole is provided on the outside of the insert block (26); a positioning bolt B (28) is threadedly connected to the outside of the clamping block (21); the positioning bolt B (28) is inserted into the slot and threadedly connected to the threaded hole.

10. The glue dispensing machine for electronic product production according to claim 1, characterized in that: The connecting plate (8) is provided with a groove on a side facing the sliding block (19), the sliding block (19) is engaged with the groove, and a positioning bolt A (25) is threadedly connected to the outer side of the connecting plate (8), the positioning bolt A (25) penetrates into the groove and is threadedly connected to a positioning hole (27) provided on the outer side of the sliding block (19).

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