CN110385234B

CN110385234B - Automatic glue-pouring machine

Info

Publication number: CN110385234B
Application number: CN201810344283.XA
Authority: CN
Inventors: 林礼区
Original assignee: Institute of Laser and Optoelectronics Intelligent Manufacturing of Wenzhou University
Current assignee: Xinzhide precision parts (Shenzhen) Co.,Ltd.
Priority date: 2018-04-17
Filing date: 2018-04-17
Publication date: 2020-08-11
Anticipated expiration: 2038-04-17
Also published as: CN110385234A

Abstract

The invention belongs to the technical field of glue pouring equipment, and particularly discloses an automatic glue pouring machine which comprises a rack, wherein a mixing box and two raw material boxes are arranged on the rack. The lower extreme of compounding case is equipped with the injecting glue mouth, rotates in the frame to be connected with the pivot, and two former feed tanks use the pivot as axis mutual symmetry. The lower end of the rotating shaft is positioned in the mixing box, and the rotating shaft is fixedly connected with a plurality of stirring blades. The upper end of the rotating shaft is connected with a disc, and the lower surface of the disc is provided with two arc-shaped bulges. The disc and the arc-shaped protrusions are provided with a closed curve chute, a central shaft is arranged in the raw material box, a fixed disc is arranged above the raw material box, a screw hole is formed in the fixed disc, a lead screw is arranged on the central shaft, the lead screw is connected in the curve chute in a sliding mode, and the central shaft is provided with a plurality of stirring paddles. A connecting pipe is arranged between the raw material box and the mixing box, a material pushing plug is arranged at the lower end of the central shaft, and the material pushing plug is positioned in the connecting pipe. This scheme has been solved the raw materials and has easily bonded and lead to the raw materials extravagant in raw material tank and connecting pipe, blocks up the connecting pipe problem even.

Description

Automatic glue-pouring machine

Technical Field

The invention belongs to the technical field of glue pouring equipment, and particularly relates to an automatic glue pouring machine.

Background

At present, glue injection or glue pouring is needed in the production process of a plurality of products. Before glue injection is carried out on a product, glue and a curing agent need to be mixed and used according to a certain proportion. At present, the materials are mixed manually according to the proportion, so that uneven mixing is easily caused, and the efficiency is low. In the production operation, the operation is generally carried out by a glue pouring machine. The glue used in the glue filling process is generally a two-component glue, also called AB glue, wherein A glue is a main agent, and B glue is a curing agent. In the two-component glue-pouring machine, because of the characteristics of glue, when the glue A and the glue B are mixed, a chemical reaction occurs, so that the glue A and the glue B are generally stored separately and then mixed when in use. The existing glue filling machine generally comprises a mixing box and two raw material boxes, wherein the two raw material boxes are communicated with the mixing box through a connecting pipe, when glue A and glue B need to be mixed, a valve on the connecting pipe is opened, the glue A and the glue B enter the mixing box through the connecting pipe, and the glue A and the glue B are mixed in the mixing box. The glue A and the glue B have high viscosity and are easy to coagulate, so the glue A and the glue B are easy to adhere to the side wall of the raw material box; meanwhile, when the glue A and the glue B flow into the connecting pipe, the glue A and the glue B are easy to adhere to the inside of the connecting pipe, so that the problems of raw material waste, even blockage of the connecting pipe and the like are easily caused.

Disclosure of Invention

The invention aims to provide an automatic glue-pouring machine, which solves the problems that raw materials are easy to adhere in a raw material box and a connecting pipe, so that the raw materials are wasted, and even the connecting pipe is blocked.

In order to achieve the purpose, the basic scheme of the invention is as follows: an automatic glue-pouring machine comprises a frame, wherein a mixing box and two raw material boxes are arranged on the frame, and the mixing box is positioned below the two raw material boxes; the lower end of the mixing box is provided with a glue injection port, the stand is rotatably connected with a rotating shaft, the rotating shaft is positioned between the two raw material boxes, the two raw material boxes are mutually symmetrical by taking the rotating shaft as an axis, the lower end of the rotating shaft penetrates through the top wall of the mixing box and extends into the mixing box, and the part of the rotating shaft positioned in the mixing box is fixedly connected with a plurality of stirring blades; the upper end of the rotating shaft is positioned above the raw material box, the upper end of the rotating shaft is fixedly connected with a disk, the lower surface of the disk is provided with two arc-shaped bulges, the two arc-shaped bulges are mutually symmetrical by taking the diameter of the disk as an axis, the disk and the arc-shaped bulges are provided with a closed curve chute, a central shaft is arranged in the two raw material boxes, the upper end of the central shaft passes through the top wall of the raw material box and extends to the upper part of the raw material box, the upper part of the raw material box is fixedly connected with a fixed disk, a screw hole is arranged in the fixed disk, the upper end of the central shaft is fixedly connected with a screw rod matched with the screw hole, the upper end of the screw rod is rotatably connected with a rolling ball, the rolling ball is slidably connected in the curve chute, the part of the central shaft positioned, the material pushing plug is connected in the connecting pipe in a sealing and sliding mode, a section of telescopic rod is arranged in the middle of the rotating shaft, and the material pushing plug further comprises a power source for driving the rotating shaft to rotate.

The working principle of the basic scheme is as follows: when in use, the two raw materials are respectively added into the two raw material boxes in advance. And starting the power source, wherein the power source drives the rotating shaft to rotate. Because the disc is fixedly connected to the rotating shaft, the disc can rotate along with the rotating shaft. Because the lower surface of the disc is provided with the two arc-shaped bulges, the arc-shaped bulges and the disc are provided with the closed curve sliding groove, and the upper end of the screw rod is connected in the curve sliding groove in a sliding manner, when the disc rotates, the screw rod can slide in the curve sliding groove. Because two arc-shaped bulges are arranged, and the height difference exists between the lowest point of each arc-shaped bulge and the lower surface of the disc, when the screw rod moves from the curve chute at the lower surface of the disc to the curve chute at the arc-shaped bulge, the arc-shaped bulges can downwards extrude the screw rod, so that the screw rod and the central shaft downwards move; when the screw rod moves from the curve sliding groove at the arc-shaped bulge to the curve sliding groove at the surface of the disc, the screw rod and the central shaft move upwards. Because the fixed disk is arranged above the raw material box, and the screw hole matched with the screw rod is arranged in the fixed disk, when the screw rod is lifted, the screw rod can rotate under the action of the screw hole, so that the central shaft is driven to rotate. Because fixedly connected with a plurality of stirring rakes on the center pin, consequently the center pin rotates and can drive the stirring rake and stir the raw materials in the raw materials tank. And the stirring paddle can also reciprocate along with the center shaft and lift and reciprocate to rotate to can be more comprehensive stir the raw materials.

When glue is required to be filled, the telescopic rod is extended upwards, so that the disc and the central shaft are driven to ascend together until the pushing plug is separated from the connecting pipe, the raw material box and the mixing box are communicated by the connecting pipe, and raw materials in the raw material box enter the mixing box through the connecting pipe. After all the raw materials enter the mixing box, the telescopic rod is restored, so that the pushing plug enters the connecting pipe. And then, adding the raw materials into the two raw material boxes, wherein the connecting pipe is blocked by the pushing plug, so that the raw materials in the raw material boxes cannot enter the mixing box. Then the power source is started to drive the rotating shaft to rotate, and the rotating shaft is provided with a plurality of stirring blades, so that the stirring blades rotate along with the rotating shaft to mix the two raw materials in the mixing box. Meanwhile, the central shaft rotates when lifting, so that the stirring paddle stirs the raw materials in the raw material box, and the central shaft can drive the pushing plug to lift when lifting, so that the pushing plug pushes the raw materials adhered to the side wall of the connecting pipe downwards into the mixing box, and the connecting pipe is cleaned. The mixed glue is injected to the workpiece through the glue injection port.

The beneficial effect of this basic scheme lies in: (1) this scheme is when the pivot is rotated the raw materials to in the compounding case and is stirred the mixture, also can drive center pin reciprocating rotation and reciprocal lift to make stirring rake reciprocating rotation and reciprocal lift, the stirring scope of the stirring rake of expansion, make the stirring rake can stir raw materials in the raw materials case more comprehensively, improved stirring effect, make the raw materials be in the state of motion all the time, avoid the raw materials adhesion on the inner wall of raw materials case. (2) The center pin can drive when going up and down and push away the reciprocal lift of material stopper to the messenger pushes away the material stopper and can push the raw materials of adhesion on the connecting pipe lateral wall down to the compounding case, realizes the clearance to the connecting pipe, prevents that the connecting pipe is lived in the raw materials jam, guarantees the stability of the ejection of compact of raw material tank. (3) When the pushing plug descends, air in the mixing box can be extruded, and the air extrudes glue downwards, so that the glue can flow out from the glue injection port more quickly, and the glue injection efficiency is improved; meanwhile, when the glue injection port is blocked, the pushing plug descends to gradually increase the air pressure of the mixing box, so that a large pressure is applied to the glue injection port, foreign matters blocking the glue injection port are forcibly discharged, and the blocking of the glue injection port is avoided to a certain extent.

Further, two raw material tanks all rotate to be connected in the frame, all overlap on two raw material tanks's the outer wall and be equipped with first gear, fixedly connected with second gear in the pivot, two first gears all with the meshing of second gear, the connecting pipe rotates with raw material tanks to be connected. So set up, can drive two former feed tanks when the pivot rotates and rotate, the former feed tank rotates and to throw away the raw materials on adhesion and the former feed tank lateral wall, prevents that the raw materials from bonding on the lateral wall of former feed tank.

Further, the lower end of the pushing plug is arranged to be in a cone shape with a wide upper part and a narrow lower part, and the pushing plug is made of elastic materials. So set up for push away during the material stopper can get into the connecting pipe more easily, guarantee the operating stability of machine.

Furthermore, the lower parts of the raw material box and the mixing box are both arranged to be conical with wide upper part and narrow lower part. Is beneficial to the sliding and the concentration of the raw materials and ensures that the raw materials can be discharged.

Further, the inner walls of the raw material box and the mixing box are both provided with Teflon coatings. The raw materials are prevented from being adhered to the inner walls of the raw material box and the mixing box.

Furthermore, a one-way valve is arranged on the side wall of the mixing box and can be opened from the outside to the mixing box in a one-way mode. When the pushing plug moves upwards, external air can enter the mixing box, and large resistance is prevented when the pushing plug rises.

Furthermore, a flow control valve is arranged at the glue injection port. The flow control of the glue injection port is convenient, and the glue injection accuracy is improved.

Drawings

FIG. 1 is a cross-sectional view of an embodiment of an automatic glue-pouring machine of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

fig. 3 is a schematic view of the structure of the lower surface of the disc.

Description of reference numerals: raw material box 1, mixing box 2, disc 3, center pin 4, lead screw 41, arc arch 5, telescopic link 6, stirring rake 7, first gear 8, second gear 9, fixed disk 10, pivot 11, pushing plug 12, band pulley 13, stirring leaf 14, flow control valve 15, connecting pipe 16, curve spout 17, spin 18.

Detailed Description

The present invention will be described in further detail below by way of specific embodiments:

as shown in fig. 1, an automatic glue-pouring machine comprises a frame, wherein a mixing box 2 and two raw material boxes 1 are arranged on the frame, the mixing box 2 and the raw material boxes 1 are both cylindrical boxes, and teflon coatings are arranged on the inner walls of the raw material boxes 1 and the mixing box 2. And the two raw material boxes 1 are respectively provided with a material door. Two former feed tank 1 all rotate to be connected in the frame, all overlap on the outer wall at two former feed tank 1 middle parts and be equipped with first gear 8, and two first gears 8 are located same horizontal plane. Two former feed tanks 1 transversely set up side by side, and mixing box 2 is located the below between two former feed tanks 1. The lower end of the raw material box 1 is set to be a cone with a wide upper part and a narrow lower part, the lower end of the cone of the raw material box 1 is provided with a discharge hole, and the discharge hole is positioned on the axis of the raw material box 1. The lower part of the mixing box 2 is set to be a cone with a wide upper part and a narrow lower part, the lower end of the cone of the mixing box 2 is provided with a glue injection port, and the glue injection port is provided with a flow control valve 15. The connecting pipe 16 is communicated between the discharge hole of the raw material box 1 and the mixing box 2, the connecting pipe 16 is vertically arranged, the connecting pipe 16 is rotatably connected with the raw material box 1, and the connecting pipe 16 is fixedly connected with the mixing box 2. The side wall of the mixing box 2 is provided with a one-way valve which can be opened from the outside to the inside of the mixing box 2 in one way.

Rotate in the frame and be connected with the pivot 11 of vertical setting, pivot 11 is located between two former feed bin 1, and two former feed bin 1 use pivot 11 to be the mutual symmetry of axis. The rotating shaft 11 is fixedly connected with a second gear 9, and the two first gears 8 are both meshed with the second gear 9. The rotating shaft 11 is positioned right above the mixing box 2, and the axial leads of the rotating shaft 11 and the mixing box 2 are positioned on the same vertical straight line. The lower extreme of pivot 11 passes in mixing box 2's roof extends to mixing box 2, and pivot 11 rotates to be connected on mixing box 2's roof, and the part that pivot 11 is located mixing box 2 is equipped with two stirring leaf groups from top to bottom in proper order, and every stirring leaf group all includes three stirring leaf 14. The middle part of the rotating shaft 11 is provided with a section of electric control telescopic rod 6, and the telescopic rod 6 is positioned above the second gear 9. The position department fixed connection band pulley 13 of pivot 11 position above mixing box 2, the vertical motor that sets up of fixedly connected with in the frame, be connected through the belt on the output shaft of motor and between the band pulley 13. The upper end of the rotating shaft 11 is fixedly connected with a disc 3, and the disc 3 and the rotating shaft 11 are coaxially arranged. Two arc-shaped bulges 5 are arranged on the circumference of the lower surface of the disc 3, and the two arc-shaped bulges 5 are symmetrical to each other by taking the diameter of the disc 3 as an axis. The lower surface of the disc 3 and the arc-shaped protrusion 5 are provided with curve sliding grooves 17, the curve sliding grooves 17 on the surface of the disc 3 and the curve sliding grooves 17 on the arc-shaped protrusion 5 are in seamless fit, and therefore the curve sliding grooves 17 on the surface of the disc 3 and the curve sliding grooves 17 on the arc-shaped protrusion 5 form a complete closed curve sliding groove 17.

As shown in fig. 2 and 3, a sliding hole is formed in the center of the top wall of the raw material tank 1, a central shaft 4 is slidably connected in the sliding hole, the lower end of the central shaft 4 is located in the connecting pipe 16, and the upper end of the central shaft 4 is located above the raw material tank 1. The upper end fixedly connected with lead screw 41 of center pin 4, the upper end of lead screw 41 is rotated and is connected with spin 18, and spin 18 sliding connection is equipped with the fender wall that restriction spin 18 drops on the curve spout 17 in curve spout 17. The length of the central shaft 4 is equal to the distance between the lower surface of the disc 3 and the bottom wall of the raw material tank 1, and the height of the arc-shaped protrusion 5 is equal to the length of the connecting pipe 16. The lower end of the central shaft 4 is fixedly connected with a pushing plug 12, the pushing plug 12 is connected in the connecting pipe 16 in a sealing and sliding manner, the lower end of the pushing plug 12 is set to be in a cone shape with a wide upper part and a narrow lower part, the pushing plug 12 is made of an elastic material, and in the embodiment, the elastic material is preferably elastic rubber. The upper end of the rotating shaft is provided with a limiting disc, and when the upper surface of the limiting disc and the lower surface of the fixed disc 10 are positioned on the same plane, the material pushing plug 12 is positioned above the material outlet.

The part that center pin 4 is located raw materials box 1 is equipped with three 7 groups of stirring rakes from top to bottom in proper order, and every 7 groups of stirring rakes of group all include three stirring rake 7. The distance between the stirring paddle 7 at the uppermost layer and the top wall of the raw material box 1 and the distance between the stirring paddle 7 at the lowermost layer and the bottom wall of the raw material box 1 are slightly larger than the length of the connecting pipe 16. All be equipped with the support frame on two raw material tanks 1's the roof, fixedly connected with fixed disk 10 on the support frame, fixed disk 10 is parallel to each other with disc 3. Screw holes are formed in the fixed disc 10, the screw rod 41 is screwed in the screw holes, and the screw rod and the screw holes are not self-locked.

When in use, two raw materials are respectively added into the two raw material boxes 1 in advance. And starting the motor, and driving the rotating shaft 11 to rotate by the motor. The rotating shaft 11 drives the disc 3 and the two raw material boxes 1 to rotate. The disc 3 rotates to enable the upper end of the screw rod 41 and the curved sliding groove 17 to generate relative motion, and when the screw rod 41 moves from the curved sliding groove 17 at the lower surface of the disc 3 to the curved sliding groove 17 at the arc-shaped protrusion 5, the screw rod 41 and the central shaft 4 move downwards; when the screw 41 moves from the curved runner 17 at the arc-shaped protrusion 5 to the curved runner 17 at the surface of the disc 3, the screw 41 and the central shaft 4 move upward. When 41 reciprocal lifts of lead screw, lead screw 41 can reciprocating rotation under the effect of screw to drive stirring rake 7 reciprocating rotation and reciprocal lift and stir the raw materials, raw materials case 1 rotates and can throw away the raw materials of adhesion on raw materials case 1 lateral wall, prevents that the raw materials from bonding on raw materials case 1's lateral wall.

When glue needs to be poured, the telescopic rod 6 extends upwards to drive the disc 3 and the central shaft 4 to ascend together until the pushing plug 12 is separated from the connecting pipe 16, at the moment, the connecting pipe 16 communicates the raw material box 1 with the mixing box 2, and raw materials in the raw material box 1 enter the mixing box 2 through the connecting pipe 16. After all the raw materials enter the mixing box 2, the telescopic rod 6 is restored, so that the pushing plug 12 enters the connecting pipe 16. Then, the raw materials are added into the two raw material boxes 1, and the connecting pipe 16 is blocked by the pushing plug 12, so that the raw materials in the raw material boxes 1 cannot enter the mixing box 2. Then the motor is started again to drive the rotating shaft 11 to rotate, and the rotating shaft 11 drives the stirring blades 14 to rotate, so that the two raw materials are mixed. Meanwhile, the central shaft 4 drives the stirring paddle 7 to reciprocate up and down and to reciprocate to continue stirring the raw materials. When the central shaft 4 goes up and down, the pushing plug 12 is driven to go up and down, so that the pushing plug 12 pushes the raw materials adhered to the side wall of the connecting pipe 16 downwards into the mixing box 2, and the connecting pipe 16 is cleaned. And the glue is injected into the workpiece from the glue injection port by controlling the flow control valve 15.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. An automatic glue-pouring machine comprises a frame, wherein a mixing box and two raw material boxes are arranged on the frame, and the mixing box is positioned below the two raw material boxes; the lower extreme of compounding case is equipped with the injecting glue mouth, and the center department of raw materials box diapire is equipped with the discharge gate, is equipped with the connecting pipe between discharge gate and the compounding incasement roof, rotates in the frame and is connected with the pivot, still includes the drive pivot pivoted power supply, its characterized in that: the rotating shaft is positioned between the two raw material boxes, the two raw material boxes are mutually symmetrical by taking the rotating shaft as an axis, the lower end of the rotating shaft penetrates through the top wall of the mixing box and extends into the mixing box, and the part of the rotating shaft positioned in the mixing box is fixedly connected with a plurality of stirring blades; the upper end of pivot is located the top of raw material tank, the upper end fixedly connected with disc of pivot, be equipped with two arc archs on the lower surface of disc, two arc archs use the diameter of disc to be the mutual symmetry of axis, be equipped with a confined curve spout on disc and the arc arch, all be equipped with the center pin in two raw material tanks, the upper end of center pin is passed the raw material tank roof and is extended to the raw material tank top, the top fixedly connected with fixed disk of raw material tank, be equipped with the screw in the fixed disk, center pin upper end fixedly connected with and screw complex lead screw, the upper end of lead screw is rotated and is connected with the spin, spin sliding connection is in the curve spout, the center pin is located a plurality of stirring rakes of partial fixedly connected with of raw material tank, the lower extreme of center pin is located the connecting tube.

2. The automatic glue-pouring machine according to claim 1, characterized in that: two former feed tanks all rotate to be connected in the frame, all overlap on two former feed tanks's the outer wall and be equipped with first gear, fixedly connected with second gear in the pivot, two first gears all with the meshing of second gear, the connecting pipe rotates with former feed tank to be connected.

3. The automatic glue-pouring machine according to claim 2, characterized in that: the lower end of the pushing plug is arranged to be in a cone shape with a wide upper part and a narrow lower part, and the pushing plug is made of elastic materials.

4. The automatic glue-pouring machine according to claim 2, characterized in that: the lower parts of the raw material box and the mixing box are both arranged to be conical with wide upper part and narrow lower part.

5. The automatic glue-pouring machine according to claim 3, characterized in that: the inner walls of the raw material box and the mixing box are both provided with Teflon coatings.

6. The automatic glue-pouring machine according to claim 3, characterized in that: the side wall of the mixing box is provided with a one-way valve which can be opened from the outside to the inside of the mixing box in one way.

7. The automatic glue-pouring machine according to claim 4, characterized in that: the glue injection port is provided with a flow control valve.