Automatic dispensing machine and control method

Abstract

The invention relates to the technical field of dispensing machines, in particular to an automatic dispensing machine and a control method.The automatic dispensing machine comprises a dispensing platform, a rotating disc part, a feeding mechanism and a screw, the dispensing platform comprises a y-axis moving platform, an x-axis moving platform, a z-axis moving platform and a dispensing head, and the y-axis moving platform is fixedly arranged on the upper portion of the dispensing platform; the x-axis moving platform is arranged on the y-axis moving platform in a sliding mode, the z-axis moving platform is arranged on the upper table top of the dispensing platform in a sliding mode, the dispensing head is fixedly arranged on the x-axis moving platform, and the rotating disc part comprises a base, a rotating disc, a screw fixing cylinder, a sun gear, a planetary gear, a gear set, a first motor, a pushing mechanism and a shell. According to the screw dispensing machine, the rotatable screw mounting disc is matched with the automatic feeding and discharging mechanism, feeding, discharging and gluing actions of screws are synchronously carried out, and the working efficiency of the screw dispensing machine is greatly improved.

Description

Technical Field

[0001] The present invention relates to the technical field of glue dispensing machines, and in particular to an automatic glue dispensing machine and a control method thereof. Background Art

[0002] A glue dispenser, also known as a glue coating machine, glue dripping machine, glue spraying machine or glue filling machine, is an automated device specifically designed for precise control of fluids. It can apply glue, paint or other liquid materials to the surface or interior of a product in the form of drips or coatings. The device has automated functions and can accurately dispense glue along a three-dimensional or four-dimensional path to ensure the accuracy of the position and the precision of glue control. The glue dispenser is designed to prevent drawing, leakage and dripping, and ensure that glue is applied evenly and accurately at each designated location on the product. It is widely used in the manufacturing process of various products and can achieve glue coating patterns in different shapes such as dots, lines, circles or arcs.

[0003] The existing glue dispensing machine often replaces the screws manually. After the glue coating of one screw is completed, it is manually removed and the next screw is installed. The glue coating efficiency is low. Summary of the invention

[0004] Therefore, the present invention is made in view of the above problems. The present invention utilizes a rotatable screw installation plate in conjunction with an automatic loading and unloading mechanism to ensure that the installation of the screws will not affect the screws being glued, and the loading, unloading and gluing actions of the screws are performed simultaneously, which greatly improves the working efficiency of the screw dispensing machine:

[0005] An automatic glue dispensing machine includes: a glue dispensing platform, a rotating disk, a feeding mechanism, and screws. The glue dispensing platform includes: a y-axis moving platform, an x-axis moving platform, a z-axis moving platform, and a glue dispensing head. The y-axis moving platform is fixedly arranged on the upper part of the glue dispensing platform, the x-axis moving platform is slidably arranged on the y-axis moving platform, the z-axis moving platform is slidably arranged on the upper table of the glue dispensing platform, and the glue dispensing head is fixedly arranged on the x-axis moving platform. The rotating disk includes: a base, a rotating disk, a screw fixing cylinder, a sun gear, a planetary gear, a gear set, a motor, a driving mechanism, and a shell. The base is fixedly arranged on the z-axis moving platform. The movable plate is rotatably arranged on the base, four screw fixing cylinders are provided on one side of the rotating plate, a sun gear and a planetary gear are provided on the other side of the rotating plate, a sleeve is penetrated through the end face of the sun gear, motor 1 and a pushing mechanism are both located at the upper end of the base, the pushing mechanism includes: an electric cylinder, a shift fork, the feeding mechanism includes: a feeding rack, a placing rack, a pushing rack, a pushing part, motor 2, and a motor gear; a placing rack is provided on one side of the upper end of the feeding rack, the pushing rack is slidably arranged on the feeding rack, motor 2 is fixedly arranged on the upper end face of the feeding rack, the motor gear is fixedly arranged on the motor shaft of motor 2 and the motor gear is meshed with the pushing rack.

[0006] Preferably, a floor is provided at the bottom end of the base, a motor seat is provided at the top of the floor, a loading seat is provided on the side of the floor, a support frame is provided at the top of the floor, a through shaft hole is provided on the side of the support frame, and the sun gear is rotatably set in the shaft hole. There are four planetary gears, and the planetary gears are respectively meshed with the sun gear.

[0007] Preferably, a rotating shaft is provided at the center of the side surface of the rotating disk, and the rotating shaft is rotatably arranged in the sleeve, four screw barrel grooves are evenly arranged on the other side surface of the rotating disk, and a screw barrel shaft hole that passes through the rotating disk is provided on the bottom surface of the screw barrel groove, and a fixed barrel shaft is provided at the center of the end surface of the screw fixing barrel, and the fixed barrel shaft is rotatably arranged in the screw barrel shaft hole, and a magnetic suction groove is provided on the side surface of the screw fixing barrel, and a permanent magnet is provided in the magnetic suction groove.

[0008] Preferably, the gear set includes: a pinion, a large gear, and a multi-gear. The pinion is fixedly arranged at the end of the rotating shaft, the large gear is fixedly arranged at the end of the sleeve, and the multi-gear is slidably arranged on the motor shaft of motor one. The sliding of the multi-gear can engage with the pinion or the large gear respectively.

[0009] Preferably, the electric cylinder is located at the upper end of the base, the output end of the electric cylinder is connected to the fork, and the other end of the fork is connected to the multi-link gear.

[0010] Preferably, a feeding rack is provided on the top of the loading rack, a feeding trough 1 is provided on the top of the feeding rack, a discharging trough 1 is provided on the side of the feeding rack, a supporting frame 1 is provided on one side of the feeding rack, a limiting hole is provided on the side of the supporting frame 1, a supporting frame 2 is provided on one side of the supporting frame 1, and a limiting block is provided on the top of the supporting frame 2.

[0011] Preferably, a second feed trough is provided on the side of the placement rack, a falling channel is provided at the bottom end of the placement rack, a discharge trough is provided on the bottom side of the falling channel, and a discharge slope is provided at the bottom of the discharge trough.

[0012] Preferably, the pushing rack is slidably arranged in the limiting hole of the loading rack, two baffles are arranged on the side of the pushing rack, limiting rings are respectively arranged on the side of the pushing rack and adjacent to the baffles, and a rack part is arranged on the side of the pushing rack. The number of the pushing parts is two, and they are respectively rotatably arranged on the limiting rings.

[0013] Preferably, the pushing part includes: a pushing block, a torsion spring, a rotating shaft, and a retaining ring. There are two pushing blocks, which are rotatably set in the limiting rings respectively. There are two rotating shafts, which are fixed on the sides of the pushing blocks through the limiting rings respectively. A retaining ring is provided at the end of the rotating shaft. There are two torsion springs, one end of the torsion spring is fixed on the side of the baffle, and the other end is fixed on the retaining ring.

[0014] The invention also provides a control method for an automatic dispensing machine, comprising the following steps:

[0015] S1: Input the number of threads s;

[0016] S2: The sensor and camera detect the value of s and the screw status;

[0017] S3: The motor reverses, the planetary gear rotates, and the screw barrel rotates (the x, y, and z axis slide rails move 0 in the direction of the thread);

[0018] S4: Determine whether the number of threads s is greater than 1+(n-1)? If it is greater than>1+(n-1), proceed to step S3; if s is less than or equal to 1+(n-1), proceed to step S5, where n is the number of consecutive cycles of step s3;

[0019] S5: The hydraulic cylinder starts, the multi-training gear cooperates with the small gear, the motor rotates, and the turntable rotates 90°. The number of cycles of step s7 is recorded as N;

[0020] S6: Determine whether there is a screw in the screw barrel at the top of the rotating disk, if yes, proceed to step S1, if not, proceed to step S7;

[0021] S7: Check if the number of cycles N>8? If N is greater than 8, go to step S8; if N is less than or equal to 8, go to step S5;

[0022] S8: All equipment stops operating.

[0023] Beneficial effects of the present invention:

[0024] 1. The present invention utilizes a rotatable screw mounting plate in conjunction with an automatic loading and unloading mechanism to simultaneously perform screw loading, unloading and gluing operations, greatly improving the working efficiency of the screw gluing machine;

[0025] 2. The glue dispensing machine of the present invention can accurately control the glue coating on the screw by judging the number of threads and the position of the screw. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0027] Figure 2 It is a schematic diagram of the overall structure of the feeding part of the present invention.

[0028] Figure 3 It is a schematic diagram of the overall structure of the rotating disk portion of the present invention.

[0029] Figure 4 It is a schematic diagram of the overall structure of the base of the present invention.

[0030] Figure 5 It is the overall structural view of the rotating disk of the present invention.

[0031] Figure 6 It is an overall exploded view of the screw fixing cylinder of the present invention.

[0032] Figure 7 It is a schematic diagram of the overall structure of the loading rack of the present invention.

[0033] Figure 8 It is a schematic diagram of the overall structure of the blanking part of the hairpin.

[0034] Fig. 9 It is a schematic diagram of the overall structure of the push rack of the present invention.

[0035] Fig.10 It is a partial schematic diagram of the pushing part of the present invention.

[0036] Fig.11 The motion state of the material feeding of the present invention is shown in FIG. Figure 1 .

[0037] Fig.12 The motion state of the material feeding of the present invention is shown in FIG. Figure 2 .

[0038] Fig.13 The motion state of the material feeding of the present invention is shown in FIG. Figure 3 .

[0039] Fig.14 The motion state of the material feeding of the present invention is shown in FIG. Figure 4 .

[0040] Fig.15 The motion state of the material feeding of the present invention is shown in FIG. Figure 5 .

[0041] Fig.16 The motion state of the material feeding of the present invention is shown in FIG. Figure 6 .

[0042] Fig.17 It is a control flow chart of the present invention.

[0043] Description of reference numerals:

[0044] 1. Glue dispensing platform; 11. Y-axis moving platform; 12. X-axis moving platform; 13. Z-axis moving platform; 14. Glue dispensing head; 2. Rotating disk; 21. Base; 211. Floor; 212. Motor seat; 213. Loading seat; 214. Support frame; 215. Shaft hole; 22. Rotating disk; 221. Rotating shaft; 222. Screw barrel groove; 223. Screw barrel shaft hole; 23. Screw fixing barrel; 231. Fixed barrel shaft; 232. Magnetic suction groove; 24. Sun gear; 241. Sleeve; 25. Planetary gear; 26. Gear set; 261. Small gear; 262. Large gear; 263. Multi-link gear; 27. Motor 1; 28. Pushing mechanism ;281, electric cylinder;282, shift fork;29, housing;3, feeding mechanism;31, feeding rack;311, feeding rack;312, feeding trough 1;313, discharging trough 1;314, supporting frame 1;315, limiting hole;316, supporting frame 2;317, limiting block;32, placing rack;321, feeding trough 2;322, falling channel;323, discharging trough;324, discharging slope;33, pushing rack;331, baffle;332, limiting ring;333, rack part;34, pushing part;341, pushing block;342, torsion spring;343, rotating shaft;344, retaining ring;35, motor 2;36, motor gear;4, screw. DETAILED DESCRIPTION

[0045] The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that it is easy for those with ordinary skills in the prior art to implement these embodiments. However, the present invention can also be implemented in various different forms. Therefore, the present invention is not limited to the embodiments described below. In addition, in order to more clearly describe the present invention, parts that are not connected with the invention will be omitted from the accompanying drawings.

[0046] Embodiment 1:

[0047] like Figure 1 , 2 As shown in 3, an automatic glue dispensing machine includes: a glue dispensing platform 1, a rotating disk 2, a feeding mechanism 3, and a screw 4;

[0048] The dispensing platform 1 is a supporting part of the entire structure;

[0049] The dispensing platform 1 includes: a y-axis moving platform 11, an x-axis moving platform 12, a z-axis moving platform 13, and a dispensing head 14;

[0050] The y-axis moving platform 11 is fixedly arranged on the upper part of the dispensing platform 1;

[0051] The x-axis moving platform 12 is slidably arranged on the y-axis moving platform 11;

[0052] The z-axis moving platform 13 is slidably arranged on the upper surface of the dispensing platform 1;

[0053] The dispensing head 14 is fixedly arranged on the x-axis moving platform 12, and a camera and a sensor are arranged on the dispensing head 14 for detecting the screws corresponding to the dispensing;

[0054] The rotating disc 2 is fixedly arranged on the dispensing platform 1;

[0055] The rotating disk part 2 includes: a base 21, a rotating disk 22, a screw fixing cylinder 23, a sun gear 24, a planetary gear 25, a gear set 26, a motor 27, a driving mechanism 28, and a housing 29;

[0056] The base 21 is fixedly arranged on the z-axis moving platform 13;

[0057] like Figure 4 As shown, a floor 211 is provided at the bottom end of the base 21;

[0058] A motor base 212 is provided at the top of the floor 211;

[0059] A loading seat 213 is provided on the side of the floor 211;

[0060] A support frame 214 is provided at the top of the floor 211 and adjacent to the motor base 212;

[0061] The side of the support frame 214 is provided with a penetrating shaft hole 215;

[0062] The sun gear 24 is rotatably disposed in the shaft hole 215;

[0063] The end surface of the sun gear 24 is provided with a sleeve 241 penetrating the sun gear 24;

[0064] The rotating disk 22 is rotatably disposed on the base 21;

[0065] like Figure 5 As shown, a rotating shaft 221 is provided at the center of the side of the rotating disk 22, and the rotating shaft 221 is rotatably disposed in the sleeve 241 and extends to the outside of the sleeve 241;

[0066] The other side of the rotating disk 22 is evenly provided with four screw barrel grooves 222;

[0067] The bottom surface of the screw barrel groove 222 is provided with a screw barrel shaft hole 223 penetrating the rotating disk 22;

[0068] There are four screw fixing barrels 23, which are rotatably arranged in the screw barrel groove 222;

[0069] like Figure 6As shown, a fixed cylinder shaft 231 is provided at the center of the end surface of the screw fixing cylinder 23, and the fixed cylinder shaft 231 is rotatably arranged in the screw cylinder shaft hole 223;

[0070] The side of the screw fixing cylinder 23 is provided with a magnetic suction groove 232, and the magnetic suction groove 232 is provided with a permanent magnet for adsorbing the screw 4;

[0071] There are four planetary gears 25, which are rotatably mounted on the fixed cylindrical shaft 231 and are located at the end surface of the rotating disk 22 and are always meshed with the sun gear 24.

[0072] The motor 1 27 is fixedly arranged on the end surface of the motor base 212;

[0073] The gear set 26 includes: a small gear 261, a large gear 262, and a multi-link gear 263;

[0074] The pinion gear 261 is fixedly disposed at the end of the rotating shaft 221;

[0075] The large gear 262 is fixedly arranged at the end of the sleeve 241;

[0076] The multi-linked gear 263 is slidably disposed on the motor shaft of the motor 1 27, and the sliding of the multi-linked gear 263 can mesh with the small gear 261 or the large gear 262 respectively;

[0077] The pushing mechanism 28 includes: an electric cylinder 281 and a shift fork 282;

[0078] The electric cylinder 281 is located at the upper end of the base 21, and the output end of the electric cylinder 281 is connected to the shift fork 282, and the other end of the shift fork 282 is connected to the multi-linked gear 263, and the multi-linked gear 263 can be driven to move by the shift fork 282;

[0079] The housing 29 is fixedly disposed on the floor 211 and is used to protect the base 21, the rotating disk 22, the screw fixing cylinder 23, the sun gear 24, the planetary gear 25, the gear set 26, the motor 1 27 and the driving mechanism 28;

[0080] The feeding mechanism 3 is fixedly arranged on the feeding seat 213;

[0081] The feeding mechanism 3 includes: a feeding frame 31, a placing frame 32, a pushing rack 33, a pushing part 34, a second motor 35, and a motor gear 36;

[0082] The loading rack 31 is fixedly arranged on the loading seat 213;

[0083] like Figure 7 As shown, a feeding rack 311 is provided on the top of the loading rack 31;

[0084] The top of the feed rack 311 is provided with a non-penetrating feed slot 312 (the shape of the feed slot 312 is consistent with the shape of the screw 4);

[0085] The side of the feed rack 311 is provided with a discharge slot 313 penetrating to the feed slot 312, and the position height of the discharge slot 313 is consistent with the height of the notch of the magnetic suction slot 232 of the screw fixing cylinder 23 in the initial state of the rotating disk 22 (the initial state of the rotating disk 22 is that the screw cylinder slots 222 on both sides are in a horizontal state with the same height);

[0086] A support frame 1 314 is provided on the upper end surface of the loading frame 31 and adjacent to the feeding frame 311;

[0087] A rectangular limiting hole 315 is provided on the side of the support frame 1 314;

[0088] A support frame 2 316 is provided on the upper end surface of the loading frame 31 and adjacent to the support frame 1 314;

[0089] A limit block 317 is provided at the top of the second support frame 316 and the height of the top of the second support frame 316 is the same as the bottom height of the limit hole 315;

[0090] The placement rack 32 is fixedly arranged on the loading seat 213 and is arranged adjacent to the loading rack 31;

[0091] like Figure 8 As shown, a second feed slot 321 is provided on the side of the placement rack 32, and the height of the second feed slot 321 is consistent with the height of the notch of the magnetic suction slot 232 of the screw fixing cylinder 23 in the initial state of the rotating disk 22;

[0092] The bottom end of the placement rack 32 is provided with a falling channel 322 penetrating to the second feed trough 321;

[0093] The bottom side of the falling channel 322 is provided with a discharge trough 323 penetrating to the outside of the loading rack 31;

[0094] The bottom of the discharge trough 323 is provided with a discharge slope 324, and the discharge slope 324 is used to discharge the screws 4 out of the placement rack 32;

[0095] The pushing rack 33 is slidably disposed in the limiting hole 315 of the loading rack 31;

[0096] like Fig. 9 As shown, two baffles 331 are provided on the side of the pushing rack 33;

[0097] The side surfaces of the pushing rack 33 and adjacent to the baffle 331 are respectively provided with limiting rings 332;

[0098] A rack portion 333 is provided on the side of the pushing rack 33;

[0099] There are two pushing parts 34, which are rotatably disposed on the limiting ring 332 respectively;

[0100] like Fig.10 As shown, the pushing part 34 includes: a pushing block 341, a torsion spring 342, a rotating shaft 343, and a retaining ring 344;

[0101] There are two push blocks 341, which are rotatably disposed in the limiting ring 332 respectively, and the baffle 331 is used to limit the flip angle of the push block 341;

[0102] There are two rotating shafts 343, which are fixed on the sides of the pushing block 341 through limiting rings 332 respectively;

[0103] A retaining ring 344 is provided at the end of the rotating shaft 343;

[0104] There are two torsion springs 342, one end of which is fixedly arranged on the side of the baffle 331, and the other end is fixedly arranged on the baffle ring 344. The torsion spring 342 is used to restore the flipped push block 341 to a position close to the baffle 331.

[0105] The second motor 35 is fixedly arranged on the upper end surface of the loading rack 31;

[0106] The motor gear 36 is fixedly disposed on the motor shaft of the second motor 35 and the motor gear 36 is always meshed with the pushing rack 33 .

[0107] Working principle of the present invention: The initial state of the entire device is as follows Figure 1 , 11 As shown, first start the motor 2 35 to rotate, the motor 2 35 rotates and drives the rack 33 to move through the motor gear 36. The whole device is composed of Fig.11 The motion state moves to Fig.12 In the motion state shown, the screw 4 in the loading rack 31 enters the magnetic suction groove 232 through the discharge groove 1 313, and the motor 2 35 stops moving; Secondly, the electric cylinder 281 is started, and the electric cylinder 281 drives the multi-linked gear 263 to mesh with the pinion 261 through the fork 282. At this time, the motor 27 is started, and the motor 27 rotates through the multi-linked gear 263 to drive the pinion 261 to rotate, and the pinion 261 rotates to drive the entire rotating disk 22. At this time, the entire device is operated Fig.12 The motion state moves to Fig.13In the motion state shown, the dispensing platform 1 controls the y-axis moving platform 11, the x-axis moving platform 12 and the z-axis moving platform 13 to control the dispensing head 14 to dispense glue on the screw 4 located at the top. While dispensing glue, the electric cylinder 281 is started, and the electric cylinder 281 drives the multi-linked gear 263 to mesh with the large gear 262 through the fork 282. At this time, the motor 27 is started, and the motor 27 rotates through the multi-linked gear 263 to drive the large gear 262 to rotate, and the large gear 262 rotates through the sleeve 241 to drive the sun gear 24 to rotate, and the sun gear 24 rotates to drive the four planetary gears 25 to rotate synchronously. After the dispensing of the upper screw 4 is completed, the motor 27 stops moving, and the electric cylinder 281 drives the multi-linked gear 263 to return to its original position through the fork 282; Then the motor 2 35 is started again to rotate, and the motor 2 35 rotates and drives the rack 33 to move through the motor gear 36. Fig.13 The motion state moves to Fig.14 , 15 , 16, at this time, the screw 4 in the loading rack 31 re-enters the magnetic suction groove 232 through the discharge groove 1 313 to complete the loading, and the screw 4 on the other side pushes the screw 4 in the magnetic suction groove 232 into the feed groove 2 321 through the push block 341; Finally, the screw loading, gluing and unloading processes are performed through repeated movements of the above process. After the gluing is completed, the screw 4 is discharged from the discharge trough 323 through the falling channel 322, and the movement process of the entire device is completed. Embodiment 2:

[0108] A control method for an automatic glue dispensing machine comprises the following steps:

[0109] Step S1: input the number of threads s;

[0110] Step S2: The sensor and the camera detect the value of s and the state of the screw;

[0111] Step S3: The motor reverses, the planetary gear rotates, and the screw barrel rotates (the x-, y-, and z-axis slide rails move 0 in the direction of the thread);

[0112] Step S4: Determine whether the number of threads s is greater than 1+(n-1). If it is greater than>1+(n-1), proceed to step S3. If s is less than or equal to 1+(n-1), proceed to step S5, where n is the number of consecutive cycles of step S3.

[0113] Step S5: The hydraulic cylinder is started, the multi-training gear cooperates with the small gear, the motor rotates, and the turntable rotates 90°. The number of cycles of step s7 is recorded as N;

[0114] Step S6: Determine whether there is a screw in the screw barrel at the top of the rotating disk, if yes, proceed to step S1, if not, proceed to step S7;

[0115] Step S7: Check if the number of cycles N>8? If N is greater than 8, go to step S8; if N is less than or equal to 8, go to step S5;

[0116] Step S8: All devices stop running.

Claims

1. An automatic glue dispensing machine, comprising: A glue dispensing platform (1), a rotating disk (2), a feeding mechanism (3), and a screw (4); the characteristics are as follows: the glue dispensing platform (1) comprises: a y-axis moving platform (11), an x-axis moving platform (12), a z-axis moving platform (13), and a glue dispensing head (14); the y-axis moving platform (11) is fixedly arranged on the upper part of the glue dispensing platform (1); the x-axis moving platform (12) is slidably arranged on the y-axis moving platform (11); the z-axis moving platform (13) is slidably arranged on the upper surface of the glue dispensing platform (1); the glue dispensing head (14) is fixedly arranged on the x-axis moving platform (12); the rotating disk (22) comprises: a base (21), a rotating disk (22), a screw fixing cylinder (23), a sun gear (24), a planetary gear (25), a gear set (26), a motor (27), a driving mechanism (28), and a housing (29); the base (21) is fixedly arranged on the z-axis moving platform (13); the rotating disk (22) is rotatably arranged on the base ( 21), one side of the rotating disk (22) is provided with four screw fixing cylinders (23), the other side of the rotating disk (22) is provided with a sun gear (24) and a planetary gear (25), the end surface of the sun gear (24) is provided with a sleeve (241) penetrating therethrough, the motor 1 (27) and the pushing mechanism (28) are both located at the upper end of the base (21), the pushing mechanism (28) includes: an electric cylinder (281), a shift fork (282), and the feeding mechanism (3) includes: a feeding frame (31), A placing frame (32), a pushing rack (33), a pushing part (34), a second motor (35), and a motor gear (36); a placing frame (32) is provided on one side of the upper end of the loading frame (31); the pushing rack (33) is slidably arranged on the loading frame (31); the second motor (35) is fixedly arranged on the upper end surface of the loading frame (31); the motor gear (36) is fixedly arranged on the motor shaft of the second motor (35) and the motor gear (36) is meshed with the pushing rack (33).

2. The automatic glue dispensing machine according to claim 1, characterized in that: A floor (211) is provided at the bottom end of the base (21), a motor seat (212) is provided at the top end of the floor (211), a loading seat (213) is provided on the side of the floor (211), a support frame (214) is provided at the top end of the floor (211), a through shaft hole (215) is provided on the side of the support frame (214), and the sun gear (24) is rotatably arranged in the shaft hole (215), and the number of the planetary gears (25) is four, and the planetary gears (25) are respectively meshed with the sun gear (24).

3. The automatic glue dispensing machine according to claim 1, characterized in that: A rotating shaft (221) is provided at the center of the side surface of the rotating disk (22), and the rotating shaft (221) is rotatably arranged in the sleeve (241); four screw barrel grooves (222) are evenly provided on the other side surface of the rotating disk (22); a screw barrel shaft hole (223) penetrating the rotating disk (22) is provided at the bottom surface of the screw barrel groove (222); a fixed barrel shaft (231) is provided at the center of the end surface of the screw fixing barrel (23), and the fixed barrel shaft (231) is rotatably arranged in the screw barrel shaft hole (223); a magnetic attraction groove (232) is provided on the side surface of the screw fixing barrel (23), and a permanent magnet is provided in the magnetic attraction groove (232).

4. An automatic glue dispensing machine according to claim 1 or 3, characterized in that: The gear set (26) comprises: a small gear (261), a large gear (262), and a multi-link gear (263); the small gear (261) is fixedly arranged at the end of the rotating shaft (221); the large gear (262) is fixedly arranged at the end of the sleeve (241); the multi-link gear (263) is slidably arranged on the motor shaft of the motor 1 (27); the multi-link gear (263) can slide and mesh with the small gear (261) or the large gear (262) respectively.

5. The automatic glue dispensing machine according to claim 4, characterized in that: The electric cylinder (281) is located at the upper end of the base (21), the output end of the electric cylinder (281) is connected to the shift fork (282), and the other end of the shift fork (282) is connected to the multi-link gear (263).

6. The automatic glue dispensing machine according to claim 1, characterized in that: A feeding rack (311) is provided on the top of the loading rack (31), a feeding trough (312) is provided on the top of the feeding rack (311), a discharging trough (313) is provided on the side of the feeding rack (311), a supporting rack (314) is provided on one side of the feeding rack (311), a limiting hole (315) is provided on the side of the supporting rack (314), a supporting rack (316) is provided on one side of the supporting rack (314), and a limiting block (317) is provided on the top of the supporting rack (316).

7. The automatic glue dispensing machine according to claim 1, characterized in that: A second material feed trough (321) is provided on the side of the placement rack (32), a falling channel (322) is provided at the bottom end of the placement rack (32), a material discharge trough (323) is provided on the bottom side of the falling channel (322), and a material discharge slope (324) is provided at the bottom of the material discharge trough (323).

8. The automatic glue dispensing machine according to claim 6, characterized in that: The pushing rack (33) is slidably arranged in the limiting hole (315) of the loading rack (31); two baffles (331) are arranged on the side of the pushing rack (33); limiting rings (332) are respectively arranged on the side of the pushing rack (33) and adjacent to the baffles (331); a rack portion (333) is arranged on the side of the pushing rack (33); and there are two pushing portions (34), which are respectively rotatably arranged on the limiting rings (332).

9. The automatic glue dispensing machine according to claim 8, characterized in that: The pushing portion (34) comprises: a pushing block (341), a torsion spring (342), a rotating shaft (343), and a retaining ring (344). The number of the pushing blocks (341) is two, and they are respectively rotatably arranged in the limiting ring (332). The number of the rotating shafts (343) is two, and they are respectively fixedly arranged on the side of the pushing block (341) through the limiting ring (332). The end of the rotating shaft (343) is provided with a retaining ring (344). The number of the torsion springs (342) is two, and one end of the torsion spring (342) is fixedly arranged on the side of the baffle (331), and the other end is fixedly arranged on the retaining ring (344).

10. A control method for an automatic glue dispensing machine according to any one of claims 1 to 9, comprising the following steps: S1: Input the number of threads s; S2: The sensor and camera detect the value of s and the screw status; S3: The motor reverses, the planetary gear rotates, the screw barrel rotates, and the x, y, and z axis slides move 0 in the thread direction; S4: Determine whether the number of threads s is greater than 1+(n-1)? If it is greater than>1+(n-1), proceed to step S3; if s is less than or equal to 1+(n-1), proceed to step S5, where n is the number of consecutive cycles of step s3; S5: The hydraulic cylinder starts, the multi-training gear cooperates with the small gear, the motor rotates, and the turntable rotates 90°. The number of cycles of step S7 is recorded as N; S6: Determine whether there is a screw in the screw barrel at the top of the rotating disk. If yes, proceed to step S1. If not, proceed to step S7. Step S7: Check if the number of cycles N>8? If N is greater than 8, go to step S8; if N is less than or equal to 8, go to step S5; Step S8: All devices stop running.

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