阅读说明：本技术 自动涂胶机 (Automatic glue spreader ) 是由 应永武 陈晓亮 于 2020-05-09 设计创作，主要内容包括：本发明是一种适用于砂盘上胶加工的自动涂胶机。本发明包括箱体和驱动系统,箱体内设有旋转台和回胶筒,旋转台用于待加工砂盘的放置,旋转台在驱动系统的驱动下可带动其上的砂盘一起做旋转运动,以便滴注在砂盘表面的胶水旋涂并均匀展开,提高胶水涂覆效果；回胶筒的中心具有空腔,旋转台设在回胶筒的空腔内,回胶筒可上下移动,涂胶时回胶筒上升使旋转台上的待加工砂盘位于回胶筒内,其旋涂时飞溅的胶水被回胶筒回收至箱体内；箱体上还设有注胶管,胶水自注胶管中滴注到待加工砂盘的表面；所述的回胶筒包括外筒和挡片,挡片沿周向设置在外筒内侧,涂胶时从待加工砂盘上飞溅出的胶水被挡片阻挡拦截,沿挡片回流至箱体内,实现胶水回收。(The invention relates to an automatic glue spreader suitable for gluing a sand table. The automatic glue coating machine comprises a box body and a driving system, wherein a rotating table and a glue returning cylinder are arranged in the box body, the rotating table is used for placing a sand disc to be processed, and the rotating table can drive the sand disc on the rotating table to rotate together under the driving of the driving system so as to facilitate the spin coating and uniform spreading of glue dripped on the surface of the sand disc and improve the glue coating effect; the center of the glue returning cylinder is provided with a cavity, the rotary table is arranged in the cavity of the glue returning cylinder, the glue returning cylinder can move up and down, the glue returning cylinder rises during gluing to enable a sand disc to be processed on the rotary table to be positioned in the glue returning cylinder, and the splashed glue is recycled into the box body by the glue returning cylinder during spin coating; the box body is also provided with a glue injection pipe, and glue is dripped from the glue injection pipe to the surface of the sand tray to be processed; the glue returning cylinder comprises an outer cylinder and a separation blade, the separation blade is arranged on the inner side of the outer cylinder along the circumferential direction, glue splashed from the sand disc to be processed during gluing is blocked and intercepted by the separation blade, and the glue flows back to the interior of the box body along the separation blade, so that the glue is recovered.)

1. An automatic glue spreader comprises a box body and a driving system, and is characterized in that a rotating table and a glue return cylinder are arranged in the box body, the rotating table is used for placing a sand disc to be processed, and the rotating table can drive the sand disc on the rotating table to rotate together under the driving of the driving system; the center of the glue returning cylinder is provided with a cavity, the rotary table is arranged in the cavity of the glue returning cylinder, the glue returning cylinder can move up and down, the glue returning cylinder rises during gluing to enable a sand disc to be processed on the rotary table to be positioned in the glue returning cylinder, and the splashed glue is recycled into the box body by the glue returning cylinder during spin coating; the box body is also provided with a glue injection pipe; the rubber return cylinder comprises an outer cylinder and a blocking piece, and the blocking piece is arranged on the inner side of the outer cylinder along the circumferential direction.

2. The automatic glue spreader of claim 1, wherein the outer cylinder is provided with a fixing plate, the fixing plate covers the outer cylinder, one end of the blocking piece is connected with the fixing plate, and the other end of the blocking piece is inserted into the bottom of the outer cylinder.

3. The automatic gluing machine according to claim 2, wherein the glue recycling cylinder further comprises a connecting plate, the connecting plate is connected with the outer cylinder, the connecting plate drives the outer cylinder to ascend or descend under the driving of the driving system, and the connecting plate drives the outer cylinder, the baffle plate and the fixing plate to ascend together during gluing.

4. The automatic gluing machine of claim 2 or 3, wherein the bottom of the outer cylinder is provided with a glue return hole.

5. The automatic gluing machine of claim 1, wherein the rotating table is provided with a sand tray seat, and the sand tray seat is provided with a positioning column.

6. The automatic gluing machine of claim 5, wherein the bottom of the abrasive disc seat is provided with a groove which can be clamped with the end of the rotating table to relatively fix the abrasive disc seat and the rotating table; be equipped with spacing hole and screw on the lateral wall of abrasive disc seat, the screw is located spacing downthehole and runs through the reference column, and the reference column bottom is equipped with the lug, and the outside cover of reference column is equipped with the spring, and relative reciprocating can be done with the reference column to the abrasive disc seat, and the lug removes in the recess, and the abrasive disc seat resets under the elastic action of spring.

7. The automatic gluing machine of claim 5, further comprising a pressing assembly, wherein the pressing assembly comprises a pressing head and a pressing driver, a positioning hole is formed in the end portion of the pressing head and matched with the positioning column, and the pressing head is driven by the pressing driver to press down or lift up for resetting.

8. The automatic glue spreader of claim 1, wherein the sidewall of the bottom of the box body is provided with an opening, and the outside of the box body is provided with a glue recycling bin communicated with the opening; the box body is internally provided with an inclined plane plate.

9. The automatic glue spreader according to claim 1, further comprising a glue barrel and a glue injection pump, wherein the glue barrel is provided with a glue outlet, and the glue outlet is communicated with the glue injection pipe.

10. The automatic glue spreader of claim 3, wherein the driving system comprises a glue injection driving cylinder, a jacking driving cylinder and a rotary driving motor, wherein the glue injection driving cylinder is connected with the glue injection pipe, the glue injection pipe is driven by the glue injection driving cylinder to move, and the glue injection pipe moves to a position above the sand tray during glue injection; the jacking driving cylinder is connected with the connecting plate and drives the connecting plate to ascend and descend; the rotary driving motor is connected with the rotary table, and the rotary table is driven by the rotary driving motor to rotate.

Technical Field

The invention relates to the technical field of gluing equipment, in particular to an automatic gluing machine suitable for gluing a sand table.

Background

The abrasive disc is also called steel paper abrasive disc, high speed abrasive disc and grinding disc, and is one kind of disc-shaped coated abrasive tool formed with steel paper as base, silicon carbide or corundum as abrasive and through bonding with synthetic resin or other synthetic adhesive. The production of sand trays takes two forms: one is that the coiled vulcanized fiber paper is firstly coated with glue and sand on a coating abrasive machine to make a large coil, and then the coil is punched to form a disc-shaped product; the other method is that firstly the vulcanized fiber paper is punched into a disc-shaped paper sheet with a certain specification, and then the glue is coated and the sand is planted one by one to manufacture the grinding sheet. The first method has the advantages of large production capacity, good product quality and high production efficiency, but has higher quality requirement on equipment, particularly has extremely high punching quality requirement, and can not meet the production requirement if the punching tool made of common high-carbon tool steel is worn extremely quickly. The second method has a small production capacity, but is convenient to operate and simple in equipment. For small-sized sand disc processing enterprises, the second method is more applicable, but the quality stability is poor, and the reason is that multiple times of gluing are involved in the sand disc processing procedure, but the current gluing quality is unstable, and the production efficiency is also greatly limited. In addition, when the glue is applied in a rotary gluing mode, the glue splashes, which not only causes waste, but also pollutes a processing station and causes trouble in cleaning.

Disclosure of Invention

The invention aims to provide an automatic glue spreader with high processing efficiency and automatic rotary glue spreading, aiming at the defects of the existing sand plate glue spreading.

The invention is completed by the following modes: an automatic glue spreader comprises a box body and a driving system, wherein a rotating table and a glue returning cylinder are arranged in the box body, the rotating table is used for placing a sand disc to be processed, and the rotating table can drive the sand disc on the rotating table to rotate together under the driving of the driving system so as to facilitate the glue instilled on the surface of the sand disc to spin and uniformly spread, and improve the glue application effect; the center of the glue returning cylinder is provided with a cavity, the rotary table is arranged in the cavity of the glue returning cylinder, the glue returning cylinder can move up and down, the glue returning cylinder rises during gluing to enable a sand disc to be processed on the rotary table to be positioned in the glue returning cylinder, and the splashed glue is recycled into the box body by the glue returning cylinder during spin coating; the box body is also provided with a glue injection pipe, and glue is dripped from the glue injection pipe to the surface of the sand tray to be processed; the glue returning cylinder comprises an outer cylinder and a separation blade, the separation blade is arranged on the inner side of the outer cylinder along the circumferential direction, glue splashed from the sand disc to be processed during gluing is blocked and intercepted by the separation blade, and the glue flows back to the interior of the box body along the separation blade, so that the glue is recovered.

The automatic glue spreader comprises an outer barrel, a fixing plate, a separation blade, a lifting plate and a lifting plate, wherein the outer barrel is provided with the fixing plate, the fixing plate covers the outer barrel, one end of the separation blade is connected with the fixing plate, the other end of the separation blade is connected with the bottom of the outer barrel in an inserting mode, the fixing plate and the outer barrel are connected and disassembled when cleaning is needed, the separation blade can be taken out together by pulling the fixing plate, and the outer barrel is placed in a cleaning mode.

In the automatic glue spreader, the glue return cylinder further comprises a connecting plate, the connecting plate is connected with the outer cylinder, the connecting plate drives the outer cylinder to ascend or descend under the drive of the drive system, the connecting plate drives the outer cylinder, the separation blade and the fixing plate to ascend together during glue spreading, the sand disc to be processed is located in a cavity of the glue return cylinder to perform rotary glue spreading, and the connecting plate drives the outer cylinder, the separation blade and the fixing plate to descend and reset together after the glue spreading is completed.

In the automatic glue spreader, the bottom of the outer barrel is provided with the glue returning hole, and glue blocked by the blocking piece flows along the blocking piece and falls into the box body through the glue returning hole, so that the glue is prevented from being remained at the bottom of the outer barrel.

In the automatic glue spreader, the rotating table is provided with a sand disc seat, the sand disc seat is provided with a positioning column, a sand disc to be processed is placed on the sand disc seat, and the positioning column penetrates through a center hole of the sand disc to be positioned.

In the automatic glue spreader, the bottom of the sand disc seat is provided with a groove, and the groove is clamped with the end part of the rotating table, so that the sand disc seat and the rotating table are relatively fixed and cannot move when rotating; be equipped with spacing hole and screw on the lateral wall of abrasive disc seat, the screw is located spacing downthehole and runs through the reference column, the reference column bottom is equipped with the lug, the outside cover of reference column is equipped with the spring, relative reciprocating can be done with the reference column to the abrasive disc seat, the lug removes in the recess, when pushing down the subassembly and pushing down, the downward removal is done for the fixed position to the abrasive disc seat, the lug supports the upside at the recess, the spring is compressed, when the rubber coating is accomplished, it resets to push down the subassembly, the abrasive disc seat upwards removes under the elastic action of spring, the joint of abrasive disc seat and revolving stage is removed, but this moment translation takes off abrasive disc seat and abrasive disc.

Automatic glue spreader in, automatic glue spreader still include and push down the subassembly, the subassembly that pushes down include the pressure head and push down the drive, the tip of pressure head is equipped with the locating hole, the locating hole cooperates with the reference column, the pressure head pushes down or rises under the drive of pushing down the drive and resets, the pressure head descends during the rubber coating cooperates with the sand table seat, compresses tightly the sand table that will treat processing on the sand table seat, avoids it to remove when rotatory rubber coating, influences the rubber coating effect, the pressure head rises and resets after the rubber coating is accomplished.

In the automatic glue spreader, the side wall of the bottom of the box body is provided with an opening, the outer side of the box body is provided with a glue recycling bin communicated with the opening, and glue recycled in the box body flows into the glue recycling bin from the opening to be recycled.

In the automatic glue spreader, the box body is internally provided with the inclined plane plate, so that glue in the box body can flow to the opening along the inclined plane and can be recovered more fully.

The automatic glue spreader comprises a glue barrel and a glue injection pump, wherein a glue outlet is formed in the glue barrel and communicated with a glue injection pipe, and glue in the glue barrel is pumped into the glue injection pipe through the glue injection pump to be conveyed.

In the automatic glue spreader, the driving system comprises a glue injection driving cylinder, a jacking driving cylinder and a rotary driving motor, wherein the glue injection driving cylinder is connected with a glue injection pipe, the glue injection pipe moves under the driving of the glue injection driving cylinder, and the glue injection pipe moves to a position above a sand tray during glue injection; the jacking driving cylinder is connected with the connecting plate and drives the connecting plate to ascend and descend; the rotary driving motor is connected with the rotary table, and the rotary table is driven by the rotary driving motor to rotate.

According to the invention, the rotary table is arranged for rotary gluing of the sand table, and the glue can be quickly dispersed and formed on the surface of the sand table in a spin coating mode, so that the efficiency is high; meanwhile, in order to solve the problem that glue for rotary gluing splashes, a glue return cylinder is arranged on the outer side of the rotary table and arranged in the box body, the splashed glue is blocked and recovered by a blocking piece in the glue return cylinder, and the blocking piece is connected with the fixing plate and can be conveniently taken out to clean glue residues. The invention realizes the automatic gluing of the sand tray, can finish the repeated gluing operation in the sand tray manufacturing, has stable gluing quality and high efficiency, and simultaneously realizes the recycling of glue.

Compared with the existing glue coating device, the automatic glue coating device has the characteristics of stable automatic glue coating quality and good glue returning effect.

Drawings

FIG. l is a schematic view of the structure of the present invention.

Fig. 2 is a front view of the present invention.

FIG. 3 is a schematic structural view of the back side of the present invention.

Fig. 4 is a schematic structural diagram of the box body and the glue return cylinder in the invention.

Fig. 5 is a schematic structural view of the glue return cylinder of the present invention.

FIG. 6 is a schematic view of the structure of the rotary table and the pressing driving cylinder of the present invention.

FIG. 7 is a schematic view of the structure of the matching of the pressure head and the sand table seat in the invention.

Fig. 8 is a sectional view taken along line a-a of fig. 7.

In the attached drawings 1-8, 1 represents a box body; 1a denotes an opening; 1b denotes a bevel plate; 1c denotes a mounting plate; 2 denotes a turntable; 2a denotes a sand table base; 2a1 denotes a groove; 2a2 denotes a stopper hole; 2a3 denotes a screw; 2b denotes a positioning post; 2b1 denotes a bump; 2b2 denotes a spring; 3 represents the glue return cylinder: 3a denotes an outer cylinder; 3a1 denotes glue return holes; 3b represents a stopper; 3c denotes a fixing plate; 3d denotes a connecting plate; 4 represents a glue injection pipe; 4a denotes a squeegee; 5 denotes a glue recycling tank; 6 denotes a glue barrel; 7 denotes a glue injection pump; 8 denotes a hold-down assembly; 8a denotes an indenter; 8b denotes a positioning hole; 8c denotes a push-down driving cylinder; 9 denotes a glue injection driving cylinder; 10 denotes a lift-up drive cylinder; 11 denotes a rotary drive motor; 12 denotes a support base; and 13 denotes a sand table.

Detailed Description

The present invention will be further described below by way of examples with reference to the accompanying drawings.

Referring to the attached drawings 1-8, the automatic glue spreader comprises a box body 1 and a driving system, wherein the driving system comprises a glue injection driving cylinder 9, a jacking driving cylinder 10 and a rotation driving motor 11; the box body 1 is internally provided with a rotating platform 2 and a rubber return cylinder 3, the rotating platform 2 is provided with a sand disc seat 2a, the sand disc seat 2a is of a hollow structure and internally provided with a positioning column 2b, the upper part of the positioning column 2b extends out of the sand disc seat 2a, the bottom of the sand disc seat 2a is provided with a groove 2a1, and the groove 2a1 is clamped with the end part of the rotating platform 2, so that the sand disc seat 2a and the rotating platform 2 are relatively fixed and cannot move during rotation; the side wall of the sand disc seat 2a is provided with a limiting hole 2a2 and a screw 2a3, the screw 2a3 is positioned in the limiting hole 2a2 and penetrates through the positioning column 2b, the screw 2a3 moves in the limiting hole 2a2 to limit the relative displacement between the positioning column 2b and the sand disc seat 2a, the bottom of the positioning column 2b is provided with a lug 2b1, the outer side of the positioning column 2b is sleeved with a spring 2b2, one end of the spring 2b2 abuts against the lug 2b1 of the positioning column 2b, the other end abuts against the inner wall of the sand disc seat 2a, the sand disc seat 2a and the positioning column 2b can move up and down relatively, the lug 2b1 moves in the groove 2a1, when the pressing component 8 presses down, the sand disc seat 2a moves down relative to the positioning column 2b, the lug 2b1 abuts against the upper side of the groove 2a1, the spring 2b2 is compressed, when the gluing is completed, the pressing component returns to the pressing component 2a moves down under the elastic action of the sand disc seat 2, the clamping connection between the sand disc seat 2a and the rotating platform 2 is removed, and the sand disc seat 2a and the sand disc can be horizontally moved and taken down at the moment; the sand disc 13 to be processed is placed on the sand disc seat 2a, the positioning column 2b penetrates through a center hole of the sand disc 13 to be positioned, the rotating table 2 is in transmission connection with the rotary driving motor 11, the rotating table 2 rotates under the driving of the rotary driving motor 11 to drive the sand disc to be processed on the sand disc seat 2a to rotate together, so that glue dripped on the surface of the sand disc 13 is uniformly coated in a spin mode and is uniformly spread, and the glue coating effect is improved; the center of the rubber return cylinder 3 is provided with a cavity, the rotary table 2 is arranged in the cavity of the rubber return cylinder 3, the rubber return cylinder 3 can move up and down, the rubber return cylinder 3 rises during rubber coating to enable a sand disc to be processed on the rotary table 2 to be positioned in the rubber return cylinder 3, and the splashed glue is recycled into the box body 1 by the rubber return cylinder 3 during spin coating; specifically, the rubber return cylinder 3 comprises two outer cylinders 3a and a connecting plate 3d, a baffle 3b is arranged in the outer cylinder 3a, the baffle 3b is arranged on the inner side of the outer cylinder 3a along the circumferential direction, a fixing plate 3c is arranged on the outer cylinder 3a, the fixing plate 3c covers the outer cylinder 3a, one end of the baffle 3b is connected with the fixing plate 3c, the other end of the baffle 3b is inserted into the bottom of the outer cylinder 3a, the fixing plate 3c is connected with the outer cylinder 3a when cleaning is needed, the baffle 3b can be taken out together by pulling the fixing plate 3c, and the rubber return cylinder 3a can be placed in the outer cylinder after cleaning, so that the rubber return cylinder is convenient to use; the bottom of the outer cylinder 3a is provided with a glue returning hole 3a1, and the glue blocked by the baffle 3b flows along the baffle 3b and falls into the box body 1 through the glue returning hole 3a1, so that the glue is prevented from remaining at the bottom of the outer cylinder 3 a; the connecting plate 3d is arranged between the two outer cylinders 3a and connected with the outer cylinders 3a, the connecting plate 3d is connected with the output end of the jacking driving cylinder 10, the jacking driving cylinder 10 drives the connecting plate 3d to ascend and descend, the connecting plate 3d drives the outer cylinders 3a, the separation blades 3b and the fixing plate 3c to ascend together during gluing, the sand tray to be processed is positioned in the cavity of the glue return cylinder 3 to be subjected to rotary gluing, glue splashed from the sand tray to be processed is blocked and intercepted by the separation blades 3b and flows back to the box body 1 along the separation blades 3b, glue recycling is realized, and the connecting plate 3d drives the outer cylinders 3a, the separation blades 3b and the fixing plate 3c to descend and reset together after the gluing is completed; the automatic glue spreader also comprises a pressing component 8, the pressing component 8 comprises a pressing head 8a and a pressing drive, a positioning hole 8b is formed in the end portion of the pressing head 8a, the positioning hole 8b is matched with the positioning column 2b, the pressing drive adopts a pressing drive cylinder 8c, a mounting plate 1c is arranged on the box body 1, the pressing drive cylinder 8c is fixed on the mounting plate 1c, the pressing head 8a is connected to the output end of the pressing drive cylinder 8c, the pressing head 8a is driven by the pressing drive cylinder 8c to press downwards or lift upwards for resetting, the pressing head 8a descends to be matched with the sand disc seat 2a during gluing, a sand disc 13 to be processed is pressed on the sand disc seat 2a, the phenomenon that the sand disc moves during rotary gluing to influence the gluing effect is avoided, and the pressing head 8a lifts upwards for resetting after the gluing is finished; the side edge of the box body 1 is provided with a glue injection pipe 4 and a supporting seat 12, the supporting seat 12 is fixed on the box body 1, a glue injection driving cylinder 9 is fixed on the supporting seat 12, the glue injection pipe 4 is connected with the output end of the glue injection driving cylinder 9, the glue injection pipe 4 moves under the driving of the glue injection driving cylinder 9, the side edge of the glue return cylinder 3 is provided with a channel for the glue injection pipe 4 to move in and out, the glue injection pipe 4 moves to the upper part of a sand tray during glue injection, and glue is dripped to the surface of the sand tray to be processed from the glue injection pipe 4; a scraping plate 4a is arranged on the side edge of the bottom of the glue injection pipe 4, and the scraping plate 4a is used for spreading and scraping glue during gluing; the automatic glue spreader also comprises a glue barrel 6 and a glue injection pump 7, wherein a glue outlet is formed in the glue barrel 6 and communicated with the glue injection pipe 4, and glue in the glue barrel 6 is pumped into the glue injection pipe 4 through the glue injection pump 7 for continuous conveying of the glue; an opening 1a is formed in the side wall of the bottom of the box body 1, a glue recycling tank 5 communicated with the opening 1a is arranged on the outer side of the box body 1, and glue recycled in the box body 1 flows into the glue recycling tank 5 from the opening 1a to be recycled; be equipped with inclined plane board 1b in the box 1, the glue in the box 1 of being convenient for flows to opening 1a along the inclined plane and goes out, retrieves more fully.

When in gluing, a sand disc 13 to be processed is placed on a sand disc seat 2a, a pressure head 8a descends under the driving of a downward pressing driving cylinder 8c and is in inserted fit with and pressed tightly against a positioning column 2b on a rotary table 2, the sand disc seat 2a is stressed to move downwards, a bump 2b1 on the positioning column 2b is pressed against the upper end of a groove 2a1 of the sand disc seat 2a, a groove 2a1 is clamped and positioned with the end part of the rotary table 2, a jacking driving cylinder 10 drives an outer cylinder 3a and a baffle 3b in the outer cylinder to ascend through a connecting plate 3d, the sand disc 13 is positioned in a cavity of a rubber return cylinder 3, the rotary table 2 rotates under the driving of a rotary driving motor 11, a glue injection pipe 4 moves to a proper position above the sand disc 13 under the driving of the glue injection driving cylinder 9, a glue injection pump works to convey the glue, the glue in the glue injection pipe 4 is dripped on the surface of the sand disc 13, a scraper 4a scraper blade is used for scraping on the surface of the sand disc 13, and the splashed glue is blocked and collected by the baffle 3b, the glue slides down along the blocking piece 3b and is collected in the glue returning box body 1, and the glue recovered in the box body 1 flows to the opening 1a along the inclined plate 1b at the bottom of the glue returning box body and enters the glue recovery barrel 5; when glue is evenly coated on the surface of the sand disc, the glue injection pipe 4 resets, the rotary table 2 stops rotating, the outer cylinder 3a and the separation blade 3b descend and reset, the pressure head 8a ascends and resets, the sand disc seat 2a moves upwards and resets under the action of the spring 2b2, the clamping between the sand disc seat 2a and the rotary table 2 is removed, the sand disc seat 2a and the sand disc thereon can be horizontally moved, and the next procedure is processed.