CN109261440B

CN109261440B - Electronic automatic dispensing machine

Info

Publication number: CN109261440B
Application number: CN201811228634.7A
Authority: CN
Inventors: 朱颖莉
Original assignee: Nanjing Institute of Railway Technology
Current assignee: Nanjing Institute of Railway Technology
Priority date: 2018-10-22
Filing date: 2018-10-22
Publication date: 2021-03-16
Anticipated expiration: 2038-10-22
Also published as: CN109261440A

Abstract

The invention discloses an electronic automatic dispenser, and relates to a dispenser. The automatic feeding device comprises a conveyor, wherein a conveying belt of the conveyor is provided with grooves, the spaces among the grooves are equal, supporting seats are arranged in the grooves, a workbench is arranged on the supporting seats, and the supporting seats and the workbench are detachably and fixedly connected; set up the portal frame on the conveyer, set up the support frame on the portal frame, set up first casing on the support frame, first casing is located the glue case homonymy with the connecting pipe, first shells inner wall bottom sets up first motor, first motor output shaft one end is kept away from to first shaft coupling sets up first transfer lever, first transfer lever is kept away from first shaft coupling one end and is set up cylindrical cam axle, set up cylindrical cam roller in cylindrical cam axle's the cyclic annular cam groove, set up the transfer line on the cylindrical cam roller, set up the third through-hole on the first casing, transfer line one end and push rod fixed connection. The invention has the beneficial effects that: through improving current point gum machine, reduce the point and glue the error, improve the point and glue the effect.

Description

Electronic automatic dispensing machine

Technical Field

The invention mainly relates to a dispenser, in particular to an electronic automatic dispenser.

Background

The dispenser is also called a glue spreader, a glue dripping machine, a glue dispenser, a glue filling machine and the like, is specially used for controlling fluid, dripping and coating the fluid on the surface of a product or an automatic machine inside the product, and can realize three-dimensional and four-dimensional path dispensing, accurate positioning, accurate glue control, no wire drawing, no glue leakage and no glue dripping. The glue dispenser is mainly used for accurately dispensing, injecting, coating and dripping glue, paint and other liquids in a product process to each accurate position of a product, and can be used for realizing dispensing, line drawing, circular or arc.

In the prior art, for dispensing simple workpieces, patent ZL 201711174312.4 discloses an electronic automatic dispenser, which is characterized in that a workpiece is placed on a conveyor, and glue flows out through a needle hole and a needle head and is dispensed on the workpiece under the action of a portal frame, a dispensing mechanism and a heat dissipation device. However, in practical use, the following problems still exist:

1. the outflow of glue in above-mentioned point gum machine needs the staff to start the presser, and the operation randomness is strong, and the error is big, leads to some glue position error great.

2. The adjustment of workstation position on the conveyer mainly adopts cylinder and hydraulic stem to realize, and its occupation space is big for the distance between the conveyer belt is great on workstation and the conveyer, and the workstation slides easily when the conveyer is in operation, and the effect is poor in the point, and the point is glued the position error and is great.

Disclosure of Invention

In order to solve the defects of the prior art, the invention provides an electronic automatic dispensing machine, which improves the dispensing automation degree of the dispensing machine, reduces the dispensing error and improves the dispensing effect by improving a dispensing mechanism and a workbench adjusting mechanism on the basis of the prior dispensing machine.

In order to achieve the purpose, the invention is realized by the following technical scheme:

an electronic automatic dispenser comprises a conveyor, wherein a plurality of grooves are formed in a conveying belt of the conveyor, the spaces among the grooves are equal, a supporting seat is arranged in each groove, a workbench is arranged on each supporting seat, and the supporting seats and the workbench are detachably and fixedly connected;

the conveyor is fixedly provided with a portal frame, the portal frame is provided with a support frame, the bottom of the support frame or the inside of the portal frame is provided with a heat dissipation device, the support frame is provided with a glue tank which is in a sealed state, the glue tank is provided with a heating device, one side of the glue tank is provided with a connecting pipe, a first stop block is arranged in the connecting pipe, a first through hole is arranged on the first stop block, a baffle is arranged at the first through hole, a compression spring is arranged on the baffle and is positioned at one side of the baffle opposite to the first stop block, one end of the compression spring, far away from the first stop block, is provided with a second stop block, the second stop block and the first stop block are fixedly connected in a sealed manner, a plurality of second through holes are arranged on the second stop block, one end of the connecting pipe, far away from the glue tank, is provided with a needle cylinder, the needle, a piston is arranged in the needle cylinder, a push rod is arranged on the piston, and the top end of the push rod is positioned outside the needle cylinder;

set up first casing on the support frame, first casing is located glue case homonymy with the connecting pipe, first shells inner wall bottom sets up first motor, set up first shaft coupling on the first motor, first shaft coupling is kept away from first motor output shaft one end and is set up first rotation pole, first rotation pole is kept away from first shaft coupling one end and is set up cylindrical cam axle, set up cylindrical cam roller in cylindrical cam axle's the cyclic annular cam groove, set up the transfer line on the cylindrical cam roller, set up the third through-hole on the first casing, cylindrical cam roller one end is kept away from to the transfer line passes third through-hole and push rod fixed connection.

Support columns are arranged on two sides of the portal frame, and supporting legs are arranged at the bottoms of the support columns.

The support columns comprise a first support column and a second support column, a groove is formed in the second support column, the first support column and the second support column are connected in a sliding mode through the groove, an adjusting bolt is arranged on one side of the second support column, one end of the adjusting bolt penetrates through the second support column to be in contact with the first support column, a first connecting rod is arranged between the two first support columns, a second shell is arranged below the first connecting rod, an opening is formed in the top of the second shell, a second motor is arranged in the second shell, a second coupler is arranged on an output shaft of the second motor, a lead screw is arranged at one end, away from an output shaft of the second motor, of the second coupler, a screw is mounted on the lead screw, second connecting rods are arranged on two sides of the screw, a sliding groove is formed in the inner wall of the second shell, and one end, away from the screw, of each second connecting rod is located in, the screw rod is sleeved with a hollow pipe, the hollow pipe is fixedly connected with the top of the nut, and the top end of the hollow pipe is fixedly connected with the first connecting rod.

The first through hole is a circular hole, and the baffle is an arc baffle.

One end, far away from the first rotating rod, of the cylindrical cam shaft is provided with a second rotating rod, a bearing is arranged at the position of the inner wall of the top of the first shell, and the top end of the second rotating rod is located in the bearing.

And a fixed rod is arranged between the support frame and the needle cylinder.

The connecting pipe comprises a first connecting pipe and a second connecting pipe, and the first stop block and the second stop block are both located in the second connecting pipe.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the reciprocating operation of the push rod pushing piston is controlled by the cylindrical cam shaft structure, and the purpose that glue intermittently flows out from the needle head is realized, so that the automation degree of dispensing of workpieces on the workbench is realized, the dispensing error is reduced, the dispensing position precision is improved, and the labor intensity of workers is also reduced.

2. According to the invention, the grooves are formed in the conveying belt of the conveyor, and the supporting seat is detachably and fixedly connected with the workbench, so that the supporting seats with different lengths can be conveniently replaced, the effect of adjusting the workbench is achieved, the distance between the workbench and the conveying belt is shortened, the stability of the workbench in the operation process of the conveying belt is increased, the dispensing error is reduced, and the dispensing effect is improved.

3. The supporting columns are arranged, so that the firmness of the portal frame, the spot gluing structure on the portal frame and the heat dissipation device is enhanced.

4. The invention adopts the screw rod and nut structure to adjust the position of the first support column, thereby adjusting the position between the needle head and the workbench, improving the flexibility of adjusting the position between the workbench and the needle head, facilitating the shortening of the length of the support seat, and further improving the stability of the operation of the support seat and the workbench on the conveyor.

5. The setting of circular port and convex baffle has improved the seal between baffle and the first through-hole.

6. The second dwang and the setting of bearing have improved cylindrical camshaft pivoted stability, and then have improved the stability that transfer line and push rod promoted the piston operation.

7. The fixing rod improves the firmness of the needle cylinder above the conveyor and the workbench.

8. The connecting pipe divide into first connecting pipe and second connecting pipe, not only conveniently sets up first dog and second dog isotructure, is favorable to sucking glue in the cylinder moreover, has improved the availability factor of device.

Drawings

FIG. 1 is a front view structural schematic of the present invention;

FIG. 2 is a schematic view of the internal structure of the housing of the present invention;

FIG. 3 is a schematic view showing the inner structure of a second connecting pipe according to the present invention;

FIG. 4 is a schematic top view of a conveyor belt portion of the present invention;

FIG. 5 is a schematic diagram of a right side view of a gantry of the present invention.

Reference numerals shown in the drawings: 1. a conveyor; 2. a groove; 3. a supporting seat; 4. a work table; 5. a gantry; 6. a support frame; 7. a heat sink; 8. a glue tank; 9. a heating device; 10. a connecting pipe; 11. a first stopper; 12. a first through hole; 13. a baffle plate; 14. a compression spring; 15. a second stopper; 16. a second through hole; 17. a needle cylinder; 18. a needle head; 19. a piston; 20. a push rod; 21. a first housing; 22. a first motor; 23. a first coupling; 24. a first rotating lever; 25. a cylindrical camshaft; 26. a cylindrical cam roller; 27. a transmission rod; 28. a third through hole; 29. a support pillar; 30. supporting legs; 31. a first support column; 32. a second support column; 33. adjusting the bolt; 34. a first connecting rod; 35. a second housing; 36. a second motor; 37. a second coupling; 38. a lead screw; 39. a nut; 40. a second connecting rod; 41. a chute; 42. a hollow tube; 43. a second rotating lever; 44. a bearing; 45. fixing the rod; 46. a first connecting pipe; 47. a second connecting pipe.

Detailed Description

The invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the description of the attached drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding, sticking and the like in the prior art, and the adopted circuit connection is the conventional type in the prior art, and the detailed description is not repeated.

The utility model provides an automatic point gum machine of electron, includes conveyer 1, set up recess 2 on conveyer 1's the conveyer belt, recess 2 is a plurality of, and is a plurality of the interval between the recess 2 equals, as shown in figure 4, the distance equals between the recess, suits with the reciprocating motion of cylinder camshaft. Through the adjustment of the rotating speed of the matching conveyor and the first motor, glue flowing out of the needle head can be accurately dripped to the same positions of the same plurality of working tables. A supporting seat 3 is arranged in the groove 2, a workbench 4 is arranged on the supporting seat 3, and the supporting seat 3 and the workbench 4 are detachably and fixedly connected; in one embodiment of the invention, the supporting seat is in threaded connection with the workbench. The fixed portal frame 5 that sets up on conveyer 1, set up support frame 6 on the portal frame 5, 6 bottoms of support frame or the inside heat abstractor 7 that sets up of portal frame 5, set up gluey water tank 8 on the support frame 6, gluey water tank 8 is sealed form, and glue tank is whole to be in encapsulated situation, and the piston of being convenient for inhales glue in the cylinder, if the glue box is amasss greatly, can set up the check valve on gluey water tank, and the outside gas of being convenient for enters into the glue incasement for glue incasement outside atmospheric pressure keeps balance. The glue tank 8 is provided with a heating device 9, the heating device is the same as that of the existing glue dispenser, and the glue in the glue tank can be heated by adopting a heater or a heating pipe arranged in the glue tank. The glue tank 8 one side sets up connecting pipe 10, set up first dog 11 in the connecting pipe 10, set up first through-hole 12 on the first dog 11, first through-hole 12 department sets up baffle 13, set up compression spring 14 on the baffle 13, compression spring 14 is located baffle 13 and is relative one side with first dog 11, compression spring 14 keeps away from first dog 11 one end and sets up second dog 15, second dog 15 and first dog 11 all sealed fixed connection, set up a plurality of second through-holes 16 on the second dog 15, as shown in figure 3, under baffle and compression spring's effect, glue can flow into the cylinder through first through-hole, second through-hole in the connecting pipe, and can not backward flow. A needle cylinder 17 is arranged at one end, far away from the glue water tank 8, of the connecting pipe 10, the needle cylinder 17 and the glue water tank 8 are both communicated with the connecting pipe 10, a needle head 18 is arranged at the bottom of the needle cylinder 17, a piston 19 is arranged in the needle cylinder 17, a push rod 20 is arranged on the piston 19, and the top end of the push rod 20 is positioned outside the needle cylinder 17; set up first casing 21 on the support frame 6, first casing 21 is located 8 homonymies in gluey water tank with connecting pipe 10, first casing 21 inner wall bottom sets up first motor 22, set up first shaft coupling 23 on first motor 22, first shaft coupling 23 is kept away from first motor 22 output shaft one end and is set up first pivot pole 24, first pivot pole 24 is kept away from first shaft coupling 23 one end and is set up cylindrical cam axle 25, set up cylindrical cam roller 26 in cylindrical cam axle 25's the cyclic annular cam groove, as shown in figure 2, the cylindrical cam structure is current realization reciprocating motion's structure, and the cylindrical cam axle is rotatory, drives cylindrical cam roller reciprocating motion back and forth, and then drives the reciprocal linear motion of transfer line. A transmission rod 27 is arranged on the cylindrical cam roller 26, a third through hole 28 is arranged on the first housing 21, and one end of the transmission rod 27 far away from the cylindrical cam roller 26 penetrates through the third through hole 28 to be fixedly connected with the push rod 20. According to the invention, the reciprocating operation of the push rod pushing piston is controlled by the cylindrical cam shaft structure, and the purpose that glue intermittently flows out from the needle head is realized, so that the automation degree of dispensing of workpieces on the workbench is realized, the dispensing error is reduced, the dispensing position precision is improved, and the labor intensity of workers is also reduced. According to the invention, the grooves are formed in the conveying belt of the conveyor, and the supporting seat is detachably and fixedly connected with the workbench, so that the supporting seats with different lengths can be conveniently replaced, the effect of adjusting the workbench is achieved, the distance between the workbench and the conveying belt is shortened, the stability of the workbench in the operation process of the conveying belt is increased, the dispensing error is reduced, and the dispensing effect is improved.

As an optimization, the portal frame can be directly fixed on a support frame of the conveyor, in an embodiment of the present invention, support columns 29 are disposed on both sides of the portal frame 5, and support feet 30 are disposed at the bottoms of the support columns 29.

In order to adjust the position between the adjusting needle and the workbench conveniently, the supporting column 29 includes a first supporting column 31 and a second supporting column 32, the second supporting column 32 is provided with a groove 2, the first supporting column 31 and the second supporting column 32 are connected by the groove 2 in a sliding manner, one side of the second supporting column 32 is provided with an adjusting bolt 33, one end of the adjusting bolt 33 passes through the second supporting column 32 to contact with the first supporting column 31, a first connecting rod 34 is arranged between the two first supporting columns 31, a second shell 35 is arranged below the first connecting rod 34, the top of the second shell 35 is provided with an opening, a second motor 36 is arranged in the second shell 35, in one embodiment of the invention, the first motor and the second motor both adopt an angchuan SGM7J-06A servo motor, and an output shaft of the second motor 36 is provided with a second coupling 37, in one embodiment of the invention, the first coupling and the second coupling are both plum couplings. A lead screw 38 is arranged at one end of the second coupler 37, which is far away from an output shaft of the second motor 36, a nut 39 is mounted on the lead screw 38, in one embodiment of the present invention, an SFU2505-3 precision ball lead screw is adopted as the lead screw and the nut, second connecting rods 40 are arranged on both sides of the nut 39, a sliding groove 41 is arranged on the inner wall of the second housing 35, one end of the second connecting rod 40, which is far away from the nut 39, is located in the sliding groove 41, a hollow tube 42 is sleeved on the lead screw 38, the hollow tube 42 is fixedly connected with the top of the nut 39, and the top end of the hollow tube 42 is fixedly connected with the first connecting. The supporting columns are arranged, so that the firmness of the portal frame, the spot gluing structure on the portal frame and the heat dissipation device is enhanced. The invention adopts the screw rod and nut structure to adjust the position of the first support column, thereby adjusting the position between the needle head and the workbench, improving the flexibility of adjusting the position between the workbench and the needle head, facilitating the shortening of the length of the support seat, and further improving the stability of the operation of the support seat and the workbench on the conveyor.

Preferably, in order to improve the sealing performance between the baffle and the first through hole, the first through hole 12 is a circular hole, and the baffle 13 is a circular arc baffle. The setting of circular port and convex baffle has improved the seal between baffle and the first through-hole.

Preferably, in order to improve the rotational stability of the cylindrical camshaft, the end of the cylindrical camshaft 25 away from the first rotating rod 24 is provided with a second rotating rod 43, the position of the inner wall of the top of the first housing 21 is provided with a bearing 44, and the top end of the second rotating rod 43 is located in the bearing 44. The second dwang and the setting of bearing have improved cylindrical camshaft pivoted stability, and then have improved the stability that transfer line and push rod promoted the piston operation.

Preferably, a fixing rod 45 is arranged between the supporting frame 6 and the syringe 17 to improve the firmness of the syringe. The fixing rod improves the firmness of the needle cylinder above the conveyor and the workbench.

Preferably, the connection pipe 10 includes a first connection pipe 46 and a second connection pipe 47, and the first stopper 11 and the second stopper 15 are both located in the second connection pipe 47. As shown in fig. 1 and 3, the diameter of the first connection tube is smaller than that of the second connection tube, so that the first connection tube is adapted to the shape and size of the syringe, and the arrangement of the components in the second connection tube is convenient, and the glue is more easily sucked into the syringe due to the smaller position of the inner cavity of the first connection tube. The connecting pipe divide into first connecting pipe and second connecting pipe, not only conveniently sets up first dog and second dog isotructure, is favorable to sucking glue in the cylinder moreover, has improved the availability factor of device.

The using method comprises the following steps:

this device is when using, start conveyer and first motor, heating device heats glue, it is rotatory to rotate drive cylindrical cam structure through first motor, and then drive transfer line transmission from top to bottom, the transfer line then drives push rod and piston and slides from top to bottom, when piston upward movement, the volume enlarges between cylinder and the piston, glue in the glue water tank passes through compression baffle and compression spring and enters into the cylinder in, then the piston descends, the baffle is sealed first through-hole, glue flows from the syringe needle, drip to the work piece of workstation on. Through the rotational speed of adjustment conveyer and first motor, mutually support for glue drips every time and all drips on the workstation.

Claims

1. The utility model provides an electronic automation point gum machine, includes conveyer (1), its characterized in that: a plurality of grooves (2) are formed in a conveying belt of the conveyor (1), the spaces among the grooves (2) are equal, a supporting seat (3) is arranged in each groove (2), a workbench (4) is arranged on each supporting seat (3), and the supporting seats (3) are detachably and fixedly connected with the corresponding workbench (4);

a portal frame (5) is fixedly arranged on the conveyor (1), a support frame (6) is arranged on the portal frame (5), a heat radiating device (7) is arranged at the bottom of the support frame (6) or inside the portal frame (5), a glue tank (8) is arranged on the support frame (6), the glue tank (8) is sealed, a heating device (9) is arranged on the glue tank (8), a connecting pipe (10) is arranged on one side of the glue tank (8), a first stop block (11) is arranged in the connecting pipe (10), a first through hole (12) is arranged on the first stop block (11), a baffle (13) is arranged at the position of the first through hole (12), a compression spring (14) is arranged on the baffle (13), the compression spring (14) is positioned on one side of the baffle (13) opposite to the first stop block (11), and a second stop block (15) is arranged at one end, far away from the first stop block (11), of the compression spring (14), the second stop block (15) and the first stop block (11) are fixedly connected in a sealing mode, a plurality of second through holes (16) are formed in the second stop block (15), a needle cylinder (17) is arranged at one end, far away from the glue water tank (8), of the connecting pipe (10), the needle cylinder (17) and the glue water tank (8) are communicated with the connecting pipe (10), a needle head (18) is arranged at the bottom of the needle cylinder (17), a piston (19) is arranged in the needle cylinder (17), a push rod (20) is arranged on the piston (19), and the top end of the push rod (20) is located outside the needle cylinder (17);

the support frame (6) is provided with a first shell (21), the first shell (21) and the connecting pipe (10) are positioned at the same side of the glue tank (8), a first motor (22) is arranged at the bottom of the inner wall of the first shell (21), a first coupling (23) is arranged on the first motor (22), a first rotating rod (24) is arranged at one end of the first coupling (23) far away from the output shaft of the first motor (22), one end of the first rotating rod (24) far away from the first coupling (23) is provided with a cylindrical camshaft (25), a cylindrical cam roller (26) is arranged in an annular cam groove of the cylindrical cam shaft (25), a transmission rod (27) is arranged on the cylindrical cam roller (26), a third through hole (28) is arranged on the first shell (21), one end of the transmission rod (27) far away from the cylindrical cam roller (26) penetrates through the third through hole (28) to be fixedly connected with the push rod (20).

2. The electronic automatic dispenser according to claim 1, characterized in that: support columns (29) are arranged on two sides of the portal frame (5), and support legs (30) are arranged at the bottoms of the support columns (29).

3. The electronic automatic dispenser according to claim 2, characterized in that: the supporting columns (29) comprise first supporting columns (31) and second supporting columns (32), grooves (2) are formed in the second supporting columns (32), the first supporting columns (31) and the second supporting columns (32) are connected through the grooves (2) in a sliding mode, adjusting bolts (33) are arranged on one sides of the second supporting columns (32), one ends of the adjusting bolts (33) penetrate through the second supporting columns (32) to be in contact with the first supporting columns (31), first connecting rods (34) are arranged between the two first supporting columns (31), second shells (35) are arranged below the first connecting rods (34), openings are formed in the tops of the second shells (35), second motors (36) are arranged in the second shells (35), second couplers (37) are arranged on output shafts of the second motors (36), and lead screws (38) are arranged at one ends, far away from the second motors (36), of the second couplers (37), install screw (39) on lead screw (38), screw (39) both sides all set up second connecting rod (40), second casing (35) inner wall sets up spout (41), screw (39) one end is kept away from in second connecting rod (40) all is located spout (41), hollow tube (42) are established to the cover on lead screw (38), hollow tube (42) and screw (39) top fixed connection, hollow tube (42) top and head rod (34) fixed connection.

4. The electronic automatic dispenser according to claim 1, characterized in that: the first through hole (12) is a circular hole, and the baffle (13) is an arc baffle.

5. The electronic automatic dispenser according to claim 1, characterized in that: one end of the cylindrical cam shaft (25) far away from the first rotating rod (24) is provided with a second rotating rod (43), the position of the inner wall of the top of the first shell (21) is provided with a bearing (44), and the top end of the second rotating rod (43) is positioned in the bearing (44).

6. The electronic automatic dispenser according to claim 1, characterized in that: a fixed rod (45) is arranged between the support frame (6) and the needle cylinder (17).

7. The electronic automatic dispenser according to claim 1, characterized in that: the connecting pipe (10) comprises a first connecting pipe (46) and a second connecting pipe (47), and the first stop block (11) and the second stop block (15) are both positioned in the second connecting pipe (47).