CN115846157B - Method for batch dispensing of thread compound on fastener - Google Patents
Method for batch dispensing of thread compound on fastener Download PDFInfo
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- CN115846157B CN115846157B CN202111123881.2A CN202111123881A CN115846157B CN 115846157 B CN115846157 B CN 115846157B CN 202111123881 A CN202111123881 A CN 202111123881A CN 115846157 B CN115846157 B CN 115846157B
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 150000001875 compounds Chemical class 0.000 title claims description 6
- 239000003292 glue Substances 0.000 claims abstract description 142
- 238000003825 pressing Methods 0.000 claims abstract description 40
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 230000009471 action Effects 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 127
- 238000003860 storage Methods 0.000 claims description 52
- 230000008569 process Effects 0.000 claims description 12
- 238000003892 spreading Methods 0.000 claims description 6
- 239000013013 elastic material Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 230000000881 depressing effect Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The invention relates to a batch thread gluing method for fasteners, belongs to the technical field of fastener processing, and solves the problem that manual gluing is time-consuming and labor-consuming. The invention comprises the steps of S1: securing the fastener to the support plate; step S2: manually pressing down the support plate; the support plate drives the fastener to move downwards, and the lower part of the fastener is immersed in the glue solution in the bushing mounting hole; step S3: and the supporting plate is loosened, and the supporting plate is reset under the action of the elastic reset mechanism. And the fastener and the supporting plate rise under the reaction force of the spring, and when the fastener after the glue is coated is pumped out of the residual glue wiping pad, the residual glue on the fastener is wiped by the residual glue wiping pad. The invention realizes the standardized gluing of batch fasteners.
Description
Technical Field
The invention relates to the technical field of fastener processing, in particular to a method for batch dispensing of thread compound on fasteners.
Background
The screw thread coating anti-loosening glue for the fastener is a detachable fastener anti-loosening measure with a certain anti-loosening effect, such as countersunk head screws or other fasteners with special purposes.
The production and manufacture of electronic equipment in the military industry are mostly in a multi-variety and small-batch mode, due to the compact structure of the equipment and the large quantity of countersunk screws, the screws cannot be loosened by adopting a conventional loosening prevention method such as a spring pad, thread glue is often smeared for loosening prevention, and due to the repeated disassembly of fasteners in links such as debugging, maintenance and repair, the like, certain requirement is provided for the glue spreading quantity.
The conventional operation mode of gluing the fastening glue is that after a single fastener is immersed in the thread glue solution for a certain depth, the excessive glue solution is erased by using wiping paper or the surface of the fastener is directly coated by a glue nozzle.
The existing mode can achieve the purpose of quantitatively controlling the glue coating amount, but the efficiency is extremely low, and the consistency of the glue coating amount is difficult to control.
Disclosure of Invention
In view of the above analysis, the present invention aims to provide a method for dispensing thread compound on a fastener in batches, which is used for solving the problems of low efficiency and long time consumption of the existing manual gluing method.
The aim of the invention is mainly realized by the following technical scheme:
a method for dispensing thread compound on fasteners in batches comprises the following steps:
step S1: securing the fastener to the support plate;
step S2: manually pressing down the support plate; the support plate drives the fastener to move downwards, and the lower part of the fastener is immersed in the glue solution in the bushing mounting hole;
step S3: and the supporting plate is loosened, and the supporting plate is reset under the action of the elastic reset mechanism.
Further, in step S1, the fastening means is as follows:
step S11: the fastener to be glued is placed into the conical hole of the support plate.
Step S12: the fastener pressing plate is placed on the supporting plate to press the fastener to be glued by self weight.
Further, after the fastener is mounted, the lower portion of the fastener protrudes from the lower surface of the support plate.
Further, in step S1, when the support plate is pressed down to glue the fastener, the glue-spreading length of the fastener can be adjusted by adjusting the height adjustment micro head.
Further, in step S1, the length of the height adjusting micro head extending out of the lower surface of the support plate is calculated and adjusted according to the specification and the glue spreading length of the fastener to be glued; the gluing length of the fastener is as follows: the difference between the length of the fastener extending out of the bottom surface of the support plate and the length of the height-adjusting micro-head extending out of the bottom surface of the support plate.
Further, in step S2, when the fastener pressing plate is manually pressed down to make it sink, the fastener pressing plate drives the support plate and the fastener to move down; after moving down in place, the fastener extends into a bushing mounting hole on the box body, and the height-adjusting micro-head is supported on the upper surface of the box body.
Further, a communicating vessel is formed through the liquid level pipe and the bushing mounting hole, when the liquid level height in the liquid level pipe is monitored to be lower than the Min line, a piston rod in the liquid storage cylinder is rotated to be pressed down, the liquid level height is adjusted to be between the Max line and the Mid line, and the sufficiency of glue solution in the bushing mounting hole is ensured.
Further, in the downward moving process of the piston, the glue solution flows into the branching block from the liquid storage cylinder, the branching block is communicated with the connecting pipe, and the glue solution flowing into the branching block enters the bushing mounting hole through the connecting pipe.
Further, in the step S3, during the upward movement of the supporting plate, the fastening pieces are sequentially pulled out from the bushing mounting holes and the residual glue wiping pad above; when the fastener is drawn out of the residual glue wiping pad, the residual glue on the fastener is wiped by the residual glue wiping pad.
The utility model provides a fastener batch point screw thread gluing device for the fastener batch point screw thread gluing method of realization, fastener batch point screw thread gluing device includes:
the box body is used for containing glue solution;
the supporting plate is arranged above the box body;
the fasteners are arranged on the supporting plate and can move up and down along with the supporting plate;
the elastic reset mechanism is arranged between the box body and the supporting plate and used for resetting the supporting plate after being pressed down.
The technical scheme of the invention can at least realize one of the following effects:
1. the invention can realize the quantitative gluing function of a plurality of fasteners at one time, realizes gluing when the fasteners are inserted into the bushing mounting holes by injecting glue solution into the bushing mounting holes, installs the bushing capable of adsorbing the glue solution in the bushing mounting holes, can coat the glue solution adsorbed in the bushing on the surface of the fasteners through friction contact between the bushing and the fasteners, can ensure the gluing length when the glue solution level is lower than the bushing, and realizes the function of automatically compensating low deviation liquid level.
2. The invention is provided with the residual glue wiping pad and the lining which can adsorb glue solution, glue can be applied through the residual glue wiping pad and the lining, and the glue solution level with a small deviation can be automatically compensated; when the glue liquid level in the bushing mounting hole is insufficient, the fastener can also be used for gluing through contact with the residual glue wiping pad and the bushing.
3. The residual glue wiping pad is arranged above the bushing mounting hole, and when the glue solution adhered on the fastener is excessive, the residual glue wiping pad can wipe the excessive glue solution on the fastener in the process of drawing the fastener out of the residual glue wiping pad.
4. The elastic reset mechanism is arranged, so that the support plate can be pushed to reset after the gluing is completed, and further the glued fastener can be automatically taken out.
5. The invention realizes the standardized gluing of the batch fasteners, ensures the consistency of gluing quantity of a plurality of fasteners and ensures the gluing quality.
In the invention, the technical schemes can be mutually combined to realize more preferable combination schemes. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, like reference numerals being used to refer to like parts throughout the several views.
FIG. 1 is a schematic diagram of a batch thread gluing device for fasteners of the present invention;
FIG. 2 is a cross-sectional view in the A-A direction of the fastener bulk dispensing device of the present invention;
FIG. 3 is a schematic view of the structure of a box of the batch screw thread dispensing device of the present invention;
FIG. 4 is a cross-sectional view in the B-B direction of the cartridge body of the fastener bulk dispensing device of the present invention;
fig. 5 is a schematic structural view of a support plate of the fastener batch dispensing device of the present invention.
Reference numerals:
1: a piston rod; 2: a liquid storage cylinder cover; 3: a liquid storage cylinder; 4: a piston; 5: a piston seal ring; 6: a choke plug; 7: a piston cap; 8: a shunt block; 9: a straight head connector; 10: a connecting pipe; 11: a case body; 12: the upper cover plate is provided with a screw; 13: an upper cover plate; 14: a residual glue wiping pad; 15: a bushing; 16: a lower cover plate; 17: the lower cover plate is provided with a screw; 18: a T-shaped connector; 19: a fastener pressing plate; 20: a support plate; 21: a height-adjusting differential head; 22: a positioning pin; 23: a spring shaft; 24: a spring sleeve; 25: a spring; 26: a liquid level pipe; 27: capping; 28: a lower cover plate sealing ring; 29: a branching block mounting screw; 30: a fastener;
11-1: a square groove; 11-2: a bushing mounting hole; 11-3: a pin hole; 11-4: a spring mounting hole; 11-5: a seal ring mounting groove;
20-1: a tapered bore; 20-2: a straight slot.
Detailed Description
The following detailed description of preferred embodiments of the invention is made in connection with the accompanying drawings, which form a part hereof, and together with the description of the embodiments of the invention, are used to explain the principles of the invention and are not intended to limit the scope of the invention.
Example 1
An embodiment of the present invention provides a method for applying glue to a batch thread gluing device for fasteners in embodiment 1, comprising the following steps:
step S1: mounting the fastener 30 to the support plate 20;
step S2: manually pressing down the retainer clip 19 and the support plate 20; the supporting plate 20 drives the fastening piece to move downwards, and the lower part of the fastening piece is immersed into the glue solution in the bushing mounting hole 11-2;
step S3: the fastener pressing plate 19 is loosened, the supporting plate 20 is reset under the action of the elastic reset mechanism, and the fastener moves up to be separated from the bushing mounting hole 11-2 and erases the residual glue through the residual glue wiping pad 14.
Specifically, in step S1, the fastener 30 is mounted on the support plate 20 in the following manner:
step S11: removing the fastener pressing plate 19 above the supporting plate 20, and loading the fastener 30 to be glued into the conical hole 20-1 on the supporting plate 20;
step S12: the fastener pressing plate 19 is placed on the support plate 20 so as to press the fastener 30 to be glued in the tapered hole 20-1 of the support plate 20 by its own weight.
Further, in the step S1, when the support plate 20 is pressed down to glue the fastener 30, the glue-spreading length of the fastener 30 can be adjusted.
Specifically: calculating and adjusting the length of the height adjusting differential head 21 extending out of the lower surface of the supporting plate 20 according to the specification and the gluing length of the fastener 30 to be glued; the depth to which the fastener 30 extends into the bushing mounting hole 11-2 is the difference between the length of the fastener 30 extending out of the bottom surface of the support plate 20 and the length of the height-adjusting differential head 21 extending out of the bottom surface of the support plate 20.
In the step S1, a plurality of tapered holes 20-1 are formed in the support plate 20 in an array manner, and can be used for installing a plurality of fasteners 30, and the upper part of the fasteners 30 is limited by the fastener pressing plate 19, so that the fasteners 30 cannot be displaced relative to the support plate 20. After the fastener 30 is in place, the stud of the fastener 30 extends out of the lower surface of the support plate 20.
Specifically, in the step S2, when the fastener pressing plate 19 is manually pressed down to sink, the fastener pressing plate 19 drives the support plate 20 and the fastener 30 to move down; after being moved down into place, the fastener 30 is inserted into the bushing mounting hole 11-2 of the case 11, and the height-adjusting differential head 21 is supported on the upper surface of the case 11. The depth to which the fastener 30 extends into the bushing mounting hole 11-2 is the difference between the length of the fastener 30 extending out of the bottom surface of the support plate 20 and the length of the height-adjusting differential head 21 extending out of the bottom surface of the support plate 20.
Meanwhile, a communicating vessel is formed through the liquid level pipe 26 and the bushing mounting hole 11-2, when the liquid level height in the liquid level pipe 26 is lower than the Min line, the piston rod 1 in the liquid storage cylinder 3 is rotated and pressed down, the liquid level height is adjusted to be between the Max line and the Mid line, and the sufficiency of glue solution in the bushing mounting hole 11-2 is ensured.
Further, in the step S2, the piston 4 pushes the glue solution in the liquid storage cylinder 3 to flow into the bushing mounting hole 11-2 by pressing down the piston rod 1 and the piston 4, so as to prepare for glue application.
Specifically, in the process of moving down the plunger 4, the glue solution flows into the branching block 8 from the liquid storage cylinder 3, the third branch of the branching block 8 is communicated with the connecting pipe 10, and the glue solution flowing into the branching block 8 enters the bushing mounting hole 11-2 through the connecting pipe 10.
Further, when the glue solution in the liquid storage cylinder 3 is insufficient, the glue solution needs to be supplemented, and the process is as follows:
step S21: the liquid storage cylinder cover 2 is unscrewed, and the piston assembly (namely the piston rod 1 and the piston 4) is pulled out;
step S22: the first branch of the branching block 8 is communicated with the liquid storage cylinder 3, the second branch is communicated with the liquid level pipe 26, a part of the added glue solution flows into the liquid level pipe 26 through the second branch, and the liquid level in the liquid storage cylinder 3 is indirectly observed by utilizing the principle of a communicating vessel. Observing the liquid level height in the liquid level pipe 26, and ensuring that the liquid level is not more than a Max line all the time; indicating that the filling is complete when the level of liquid in the liquid level pipe 26 remains unchanged and is between the Max line and the Mid line;
step S23: the choke plug 6 is unscrewed, the piston assembly is slowly plugged into the liquid storage cylinder 3 and screwed into the liquid storage cylinder cover 2, the piston rod 1 is slowly rotated to observe the liquid level height in the liquid level pipe 26, and when the liquid level height reaches a Max line, the rotation is stopped and the choke plug 6 is screwed.
Notably, are: when the choke plug 6 is unscrewed, the liquid level pipe 26 and the liquid storage cylinder 3 also form a communicating vessel, and the liquid level heights of the liquid level pipe 26, the liquid storage cylinder 3 and the bushing mounting hole 11-2 are the same; after the choke plug is screwed down, the liquid level pipe 26 only forms a communicating vessel with the bushing mounting hole 11-2, and is used for observing the liquid level height in the bushing mounting hole 11-2.
In the step S3, the bushing 15 is installed in the bushing installation hole 11-2, and the surplus glue wiping pad 14 is disposed above the bushing 15.
The force applied to the support plate 20 is released slowly, so that the fastener pressing plate 19 and the support plate 20 float upwards under the action of the elastic force of the spring 25 of the elastic reset mechanism, and the fastener 30 after the gluing is carried out.
Specifically, during the process of the spring 25 driving the supporting plate 20 to move upwards, the fastener 30 is sequentially pulled out from the bushing mounting hole 11-2 and the residual glue wiping pad 14; when the fastener 30 is removed from the excess glue wipe pad 14, the excess glue on the fastener 30 is wiped off by the excess glue wipe pad 14.
Further, the fastener pressing plate 19 is removed, the glued fastener 30 is taken out, and the gluing quality is observed.
Example 2
In one embodiment of the present invention, a batch thread gluing device for fasteners is disclosed, as shown in fig. 1 and 2, comprising: the device comprises a box body 11, a filling assembly, a supporting plate 20 and an elastic reset mechanism; wherein, the box body 11 is filled with glue solution for smearing the fastener 30; the support plate 20 is disposed above the case 11; a plurality of fasteners 30 are arranged on the support plate 20 and can move up and down along with the support plate 20; the elastic resetting mechanism is arranged between the box body 11 and the supporting plate 20 and is used for resetting after the supporting plate 20 is pressed down.
Specifically, the lower ends of the fasteners 30 protrude from the lower surface of the support plate 20.
During implementation, the supporting plate 20 is manually pressed down, the supporting plate 20 overcomes the elastic force of the elastic reset mechanism and then drives the fasteners 30 to move down simultaneously through the supporting plate 20, the part, extending out of the lower surface of the supporting plate 20, of the fasteners 30 is immersed into the glue solution in the box body 11, the supporting plate 20 is loosened, the supporting plate 20 moves up under the elastic force of the elastic reset mechanism, the fasteners 30 are driven to synchronously move out of the box body 11, and the synchronous glue dispensing (gluing) process of the fasteners 30 is completed.
Further, a plurality of tapered holes 20-1 are provided in the support plate 20, and the tapered holes 20-1 are used to achieve positioning and mounting of the fastener 30.
Preferably, the fastener 30 is a screw or a bolt, and the stud portion of the fastener 30 passes through the tapered hole 20-1 and protrudes from the lower surface of the support plate 20, and the head of the fastener 30 is caught by the tapered hole 20-1 so that the fastener 30 does not fall off the support plate 20.
Further, a fastener pressing plate 19 is disposed above the supporting plate 20, the fastener pressing plate 19 can press the fastener 30 against the supporting plate 20, and the fastener pressing plate 19 is used for fixing the fastener 30 to be glued. In operation, the fastener pressing plate 19 is floatingly mounted on the support plate 20, the fastener 30 to be glued is placed in the tapered hole 20-1 of the support plate 20 and is pressed by the fastener pressing plate 19, and the fastener pressing plate 19 and the tapered hole 20-1 cooperate to limit the relative displacement of the fastener 30 relative to the support plate 20. The fastener pressing plate 19 floats above the supporting plate 20, after the glue coating is finished, the fastener pressing plate 19 is taken down, and the fastener 30 after the glue coating is finished is taken down from the supporting plate 20.
Further, as shown in fig. 5, the supporting plate 20 is provided with tapered holes 20-1 in rectangular array arrangement for positioning and mounting the fasteners 30; the two sides of the conical hole 20-1 are provided with the straight slot 20-2, when the specification of the fastener 30 is smaller, tweezers can be used for penetrating into the straight slot 20-2 to pick up the fastener 30 when the fastener is inconvenient to pick up by hands, and the technical problem of inconvenient collection of the fastener with small specification is solved.
Further, in order to facilitate the wiping of the excess glue adhering to the fastener 30, the present invention is also provided with a excess glue wiping pad 14.
In one embodiment of the present invention, as shown in fig. 3 and 4, a square groove 11-1 and a bushing mounting hole 11-2 are provided on a case 11; the bushing mounting holes 11-2 are used for containing glue solution, the square grooves 11-1 are provided with residual glue wiping pads 14, and when the supporting plate 20 is pressed down, the fasteners 30 penetrate through the residual glue wiping pads 14 and enter the bushing mounting holes 11-2.
Specifically, the residual glue wiping pad 14 is provided with a plurality of through holes corresponding to the bushing mounting holes 11-2, the width of the through holes is smaller than the diameter of the fastening piece 30, the residual glue wiping pad 14 has elasticity, and the fastening piece 30 can penetrate through the through holes to enter the bushing mounting holes 11-2.
Since the diameter of the through hole on the residual glue wiping pad 14 is smaller than that of the fastener 30, resistance is generated when the fastener 30 passes through the through hole on the residual glue wiping pad 14, and the fastener 30 can be ensured to pass through the through hole on the residual glue wiping pad 14 smoothly by applying pressure after the fastener pressing plate 19 is arranged. And, when the fastener 30 is removed from the box 11, the surface of the residual glue wiping pad 14 is adhered to wipe the residual glue on the surface of the fastener 30, so that the excessive gluing is avoided.
Further, an annular bush 15 is installed in the bush installation hole 11-2.
Further, the residual glue wiping pad 14 and the bushing 15 are made of elastic materials.
In one embodiment of the present invention, the residual glue wipe pad 14 and the liner 15 are both porous elastomeric materials. The action mode of the porous elastic material for automatically compensating the low deviation liquid level is as follows: the residual glue wiping pad 14 and the lining 15 are made of porous elastic materials and can adsorb glue solution.
When the fastener 30 is contacted with the residual glue wiping pad 14 and the bushing 15, glue can be coated through the residual glue wiping pad 14 and the bushing 15, and when the liquid level in the bushing mounting hole is lower than that of the bushing 15, the glue can be coated on the surface of the fastener 30 through friction contact between the bushing 15 and the fastener 30, so that the glue level with a small amount of deviation can be automatically compensated; that is, when the adhesive on the fastener 30 is excessive, the surplus adhesive wiping pad 14 can wipe off the excess adhesive on the fastener 30, and when the adhesive level in the bushing mounting hole 11-2 is insufficient, the fastener 30 can also be glued by contacting the surplus adhesive wiping pad 14 and the bushing 15.
Preferably, the residual glue wiping pad 14 and the lining 15 are made of sponge materials.
In one embodiment of the present invention, as shown in fig. 4, a pin hole 11-3 is provided on the case 11, and a positioning pin 22 is press-fitted into the pin hole 11-3 of the case 11, the positioning pin 22 being used to ensure that the support plate 20 does not deviate when moving up and down.
The supporting plate 20 passes through the positioning pin 22 and then is arranged above the elastic resetting mechanism, the positioning pin 22 can realize the positioning between the box body 11 and the supporting plate 20, the alignment of the conical hole 20-1 and the bushing mounting hole 11-2 is ensured, and the fastener 30 on the supporting plate 20 can be smoothly inserted into the bushing mounting hole 11-2 to be coated with glue.
In order to ensure that the glue solution in the box body 11 is sufficient, the invention is also provided with a filling component for storing the glue solution and filling the glue solution into the box body 11.
In one embodiment of the invention, a filling assembly comprises: the liquid storage device comprises a piston rod 1, a liquid storage cylinder cover 2, a liquid storage cylinder 3 and a piston 4, wherein the liquid storage cylinder 3 stores standby glue solution, the liquid storage cylinder cover 2 is arranged at the upper part of the liquid storage cylinder 3, the piston rod 1 is movably arranged on the liquid storage cylinder cover 2, and the piston 4 is fixedly arranged at the lower end of the piston rod 1; the piston 4 is arranged in the liquid storage cylinder 3 and is in sealing contact with the inner wall of the liquid storage cylinder 3 through the piston sealing ring 5.
Specifically, the piston rod 1 passes through the liquid storage cylinder cover 2 to be connected with the piston 4, and the piston rod 1 can relatively slide with the liquid storage cylinder cover 2. When the piston rod 1 moves up and down relative to the liquid storage cylinder cover 2, the piston 4 can be driven to move up and down in the liquid storage cylinder 3, so that glue in the liquid storage cylinder 3 is pressed into the box body 11.
Further, a choke plug 6 is mounted on the side surface of the liquid storage barrel 3, and the choke plug 6 is screwed on the liquid storage barrel 3 through threads. Removing the bulkhead 6 facilitates the piston 4 to be pressed into the liquid storage cylinder 3, and tightening the bulkhead 6 can enable a closed space to be formed between the piston 4 and the liquid storage cylinder 3.
Further, a piston cover 7 is installed at the bottom of the piston 4; specifically, after the piston rod 1 passes through the piston 4, reversely riveting the tail end of the piston rod 1 to fixedly connect the piston rod with the piston 4; the piston cap 7 is press-fitted onto the piston 4; the piston seal 5 is mounted to the side of the piston 4 so that the side of the piston 4 is in sealing contact with the inner wall of the reservoir 3. The implementation process comprises the following steps: the piston 4 provided with the piston cover 7, the piston sealing ring 5 and the piston rod 1 is pressed into the liquid storage barrel 3, and the liquid storage barrel cover 2 is screwed on the liquid storage barrel 3; depressing the piston rod 1 causes the piston 4 to push the glue in the reservoir 3 into the cartridge 11.
Further, the reservoir 3 communicates with the case 11 through the branching block 8 and the connection pipe 10.
Specifically, the branching block 8 is fixedly mounted on the cartridge 3 by a branching block mounting screw 29, and the branching block 8 is fixedly connected with the case 11 by the branching block mounting screw 29.
Specifically, three branches, namely a first branch, a second branch and a third branch, are arranged in the branching block 8; wherein, the first branch is communicated with the liquid storage cylinder 3, the second branch is communicated with the liquid level pipe 26, and the third branch is communicated with the connecting pipe 10.
Further, one end of the connecting pipe 10 is communicated with the third branch of the branching block 8 through the straight-head connector 9, and the other end of the connecting pipe 10 is communicated with the box 11 through the T-shaped connector 18.
In one embodiment of the present invention, the upper cover 13 is disposed on the upper portion of the case 11, and the lower cover 16 is disposed on the bottom portion of the case 11.
Further, the invention takes the box body 11 as a matrix, and the residual glue wiping pad 14 and the lining 15 are sequentially arranged in the square groove 11-1 and the lining mounting hole 11-2 of the box body 11 and are sequentially pressed by the upper cover plate 13 and the upper cover plate mounting screw 12.
Specifically, the upper cover plate 13 is used for pressing the residual glue wiping pad 14 and the bushing 15 on the box body 11, and the upper cover plate 13 is fixedly connected with the box body 11 through the upper cover plate mounting screw 12. The upper cover plate 13 is provided with a plurality of holes, the contact part of the upper cover plate 13 and the box body 11 is coated with silicone rubber in advance, and after the silicone rubber is solidified, the upper cover plate 13 is tightly pressed by the upper cover plate mounting screw 12 to seal the upper cover plate 13 and the box body 11, so that glue solution is prevented from overflowing during moving; the opening part of the upper cover plate 13 is sealed by a film when the device is moved, so that glue solution is prevented from overflowing.
Further, a lower cover plate 16 is mounted at the bottom of the case 11 and is fixed to the case 11 by a lower cover plate mounting screw 17.
Specifically, the bottom of the box 11 is provided with a concave sealing ring mounting groove 11-5, and the sealing ring mounting groove 11-5 can be communicated with a bushing mounting hole 11-2 on the box 11.
Specifically, the lower cover seal ring 28 is mounted on the seal ring mounting groove 11-5 of the case 11; for sealing the gap between the case 11 and the lower cover 16.
After the lower cover plate 16 is installed, a communication cavity is formed between the sealing ring installation groove 11-5 of the box body 11 and the lower cover plate 16, the upper part of the communication cavity is communicated with the plurality of bushing installation holes 11-2, and the side surface of the communication cavity is communicated with the connecting pipe 10 through the T-shaped connector 18.
Specifically, the branching block 8 is mounted on the case 11 and fixed with a branching block mounting screw 29; the T-shaped connector 18 is screwed on the lower cover plate 16; the straight connector 9 is screwed on the branching block 8; two ends of the connecting pipe 10 are respectively pressed onto the straight-head connector 9 and the T-shaped connector 18; the liquid storage cylinder 3 is communicated with the box body 11. When the glue solution is obviously insufficient, the piston rod 1 is screwed to drive the piston 4 to sink, and the glue in the liquid storage cylinder 3 is hydraulically pressed into the bushing mounting hole 11-2 of the box body 11.
In one embodiment of the present invention, the elastic restoring assembly includes: : spring shaft 23: a spring housing 24 and a spring 25; the spring shaft 23 passes through the supporting plate 20 and is fixedly connected with the box body 11; the spring shaft 23 is in sliding engagement with the support plate 20. The spring 25 is sleeved outside the spring shaft 23 and is located between the support plate 20 and the box 11.
The spring sleeve 24 is arranged below the supporting plate 20, and the spring shaft 23 sequentially penetrates through the spring 25 and the spring sleeve 24 and then is screwed into the threaded hole of the box body 11; the spring 25 is fitted into the spring mounting hole 11-4 of the case 11 and the spring housing 24 at both ends thereof, respectively.
Further, a limiting part is arranged at the top of the spring shaft 23, and the diameter of the limiting part is larger than that of the main body of the spring shaft 23, so that the supporting plate 20 cannot be separated from the spring shaft 23 from above.
Further, a threaded section is arranged at the bottom of the spring shaft 23, a spring mounting hole is formed in the box body 11, the spring 25 is clamped in the spring mounting hole 11-4, a threaded hole is formed in the bottom of the spring mounting hole 11-4, and the threaded section at the bottom of the spring shaft 23 is screwed into the threaded hole in the box body 11, so that the spring shaft 23 is fixedly connected with the box body 11.
In practice, the supporting plate 20 is pressed down to compress the spring 25, the supporting plate 20 drives the fastening piece 30 to enter the bushing mounting hole 11-2 to carry out gluing, after the gluing is completed, the supporting plate 20 is loosened, the supporting plate 20 moves upwards under the elastic force of the spring 25, and the fastening piece 30 is pumped out of the bushing mounting hole 11-2 and the residual glue wiping pad 14.
In one embodiment of the present invention, the support plate 20 is provided with a height-adjusting differential head 21. The height adjustment differential head 21 is used to limit the sinking height of the fastener pressing plate 19 and the support plate 20 to achieve the effect of controlling the dispensing length of the fastener.
Specifically, the height-adjusting differential head 21 is screwed with the support plate 20, and the lower portion of the height-adjusting differential head 21 protrudes from the lower bottom surface of the support plate 20. When the supporting plate 20 is manually pressed down, the bottom of the height-adjusting differential head 21 is abutted against the upper surface of the box 11, the pressing stroke of the supporting plate 20 is limited, the depth of the fastener immersed in glue solution is further limited, and the glue-spreading length of the surface of the fastener is adjusted.
In one embodiment of the invention, the branching block 8 is provided with a liquid level pipe 26; the level tube 26 is screwed onto the shunt block 8.
The liquid level pipe 26 is communicated with the bushing mounting hole 11-2 on the box body 11 through the connecting pipe 10, the liquid level pipe 26, the connecting pipe 10 and the bushing mounting hole 11-2 form a communicating vessel, and the liquid level height in the box body 11 is observed by observing the liquid level height of the liquid level pipe 26.
Further, the liquid level tube 26 is made of transparent nonmetallic materials, so that the liquid level height in the tube can be conveniently observed, and Max, mid and Min liquid level lines are carved on the outside to respectively represent the highest value, the middle value and the lowest value of the liquid level. The liquid level in the control box 11 is between the Max liquid level line and the Min liquid level line, so that overflow or shortage of glue solution is avoided.
Further, the top of the liquid level pipe 26 is provided with a cap 27, the cap 27 is pressed on the liquid level pipe 26 to prevent dust from entering the pipe to pollute glue solution, the cap 27 is provided with a straight groove, the inside of the liquid level pipe 26 is still communicated with the outside after the cap 27 is installed, and the liquid level height in the liquid level pipe 26 is ensured to be consistent with the liquid level height in the box 11. When the device needs to be moved, the cap 27 is screwed in place, the connection between the inside of the pipe and the outside is cut off, and the glue solution is ensured not to overflow.
The implementation process comprises the following steps:
the liquid storage cylinder 3, the branching block 8, the T-shaped connector 18, the connecting pipe 10, the straight-head connector 9 and the box body 11 are internally provided with screw glue solution, and the piston 4 is driven to move downwards by pressing down the piston rod 1 so that the glue solution in the liquid storage cylinder 3 is pressed into the bushing mounting hole 11-2 of the box body 11 through the connecting pipe 10. A certain force is manually applied to the fastener pressing plate 19 to enable the fastener pressing plate 19 to sink, the supporting plate 20 and the fastener 30 are driven to move downwards, the fastener 30 penetrates through the residual glue wiping pad 14 and is immersed into the threaded glue solution, after the manual force is eliminated, the fastener pressing plate 19, the fastener 30 and the supporting plate 20 ascend under the reaction force of the springs 25, and when the fastener 30 after glue coating is pumped out of the residual glue wiping pad 14, the residual glue solution on the fastener 30 is erased by the residual glue wiping pad 14.
Further, the fastener pressing plate 19 is removed, the glued fastener 30 is taken out, and the gluing quality is observed.
Compared with the prior art, the technical scheme provided by the embodiment has at least one of the following beneficial effects:
1. the invention improves the process method of single fastener thread dipping glue, designs a fastener batch thread glue dispensing device, enables the fasteners to be glued a plurality of times at the same time, strictly controls the glue coating amount, and has simple operation and high efficiency.
2. The invention can realize the function of coating screw thread glue on the fastener in batches, has simple operation and high efficiency, is different from the working mode of an automatic glue spreader, and has low manufacturing cost.
3. The invention adopts the porous elastic materials of the bushing 15 and the residual glue wiping pad 14 to automatically compensate low deviation liquid level, and the piston 4 is pressed down to timely supplement glue solution into the bushing mounting hole 11-2 through the design of the external pressure type liquid storage cylinder 3 and the liquid level pipe 26, thereby avoiding the problem of frequent liquid adding and improving the working efficiency.
4. The height-adjusting differential head 21 provided for adjusting the depth of immersion of the fastener 30 of the present invention enables strict control of the amount of glue applied to the fastener.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention.
Claims (2)
1. The method for batch dispensing of thread compound on the fastener is characterized by comprising the following steps:
step S1: securing the fastener (30) to the support plate (20);
step S2: manually depressing the support plate (20); the supporting plate (20) drives the fastening piece to move downwards, and the lower part of the fastening piece is immersed into the glue solution in the bushing mounting hole (11-2);
step S3: releasing the supporting plate (20), and resetting the supporting plate (20) under the action of the elastic resetting mechanism;
in the step S1, the fastening means (30) are fixed in the following manner:
step S11: loading a fastener (30) to be glued into the tapered hole (20-1) of the support plate (20);
step S12: placing the fastener pressing plate (19) on the supporting plate (20) to enable the fastener pressing plate to press the fastener (30) to be glued through dead weight;
after the fastener (30) is installed, the lower part of the fastener (30) extends out of the lower surface of the supporting plate (20);
when the support plate (20) is pressed down to glue the fastener (30), the glue-spreading length of the fastener (30) can be adjusted by adjusting the height-adjusting differential head (21);
in the step S1, the length of the height adjusting differential head (21) extending out of the lower surface of the supporting plate (20) is calculated and adjusted according to the specification and the gluing length of the fastener (30) to be glued; the gluing length of the fastener (30) is as follows: the difference between the length of the fastener (30) extending out of the bottom surface of the supporting plate (20) and the length of the height adjusting differential head (21) extending out of the bottom surface of the supporting plate (20);
in the step S2, when the fixing piece pressing plate (19) is manually pressed down to enable the fixing piece pressing plate to sink, the fixing piece pressing plate (19) drives the supporting plate (20) and the fixing piece (30) to move downwards; after the fixing piece (30) moves downwards to a proper position, the fixing piece (30) stretches into a bushing mounting hole (11-2) on the box body (11), and the height adjusting differential head (21) is supported on the upper surface of the box body (11);
in the step S2, a communicating vessel is formed by a liquid level pipe (26) and a bushing mounting hole (11-2), the liquid level pipe (26) is made of transparent nonmetallic materials, so that the liquid level height in the pipe can be conveniently observed, and liquid level lines of Max, mid and Min are carved on the outside and respectively represent the highest value, the middle value and the lowest value of the liquid level; when the liquid level in the liquid level pipe (26) is lower than the Min line, a piston rod (1) in the liquid storage cylinder (3) is rotated and pressed down, the liquid level is adjusted to be between the Max line and the Mid line, and the sufficiency of glue in the bushing mounting hole (11-2) is ensured;
in the step S2, the piston (4) pushes the glue solution in the liquid storage cylinder (3) to flow into the bushing mounting hole (11-2) by pressing down the piston rod (1) and the piston (4) so as to prepare for glue application;
in the downward moving process of the piston (4), glue solution flows into the branching block (8) from the liquid storage cylinder (3), the branching block (8) is communicated with the connecting pipe (10), and the glue solution flowing into the branching block (8) enters the bushing mounting hole (11-2) through the connecting pipe (10);
when the glue solution in the liquid storage cylinder (3) is insufficient, the glue solution needs to be supplemented, and the process is as follows:
step S21: the liquid storage cylinder cover (2) is unscrewed, and the piston rod (1) and the piston (4) are pulled out;
step S22: slowly pouring the screw gum liquid into the liquid storage cylinder (3), wherein a first branch of the branching block (8) is communicated with the liquid storage cylinder (3), a second branch is communicated with the liquid level pipe (26), a part of the added gum liquid flows into the liquid level pipe (26) through the second branch, and the liquid level height in the liquid storage cylinder (3) is indirectly observed by utilizing a communicating vessel principle; observing the liquid level height in the liquid level pipe (26) to ensure that the liquid level is not more than a Max line all the time; when the liquid level in the liquid level pipe (26) is kept unchanged and is between the Max line and the Mid line, the liquid adding is finished;
step S23: the choke plug (6) is unscrewed, the piston rod (1) and the piston (4) are plugged into the liquid storage barrel (3) and the liquid storage barrel cover (2) is screwed, the piston rod (1) is rotated to observe the liquid level height in the liquid level pipe (26), and when the liquid level height reaches a Max line, the rotation is stopped and the choke plug (6) is screwed;
in the step S3, a bushing (15) is arranged in the bushing mounting hole (11-2), and a residual glue wiping pad (14) is arranged above the bushing (15); the residual glue wiping pad (14) and the lining (15) are made of porous elastic materials, and can adsorb glue solution;
in the step S3, in the process of moving up the supporting plate (20), the fastening piece (30) is sequentially pulled out from the bushing mounting hole (11-2) and the residual glue wiping pad (14) above; when the fastener (30) is pumped out of the residual glue wiping pad (14), the residual glue on the fastener (30) is wiped by the residual glue wiping pad (14);
when the fastener (30) is contacted with the residual glue wiping pad (14) and the lining (15), glue can be coated through the residual glue wiping pad (14) and the lining (15), and when the liquid level in the lining mounting hole is lower than that of the lining (15), the glue can be coated on the surface of the fastener (30) through friction contact between the lining (15) and the fastener (30).
2. A fastener batch dispensing device for implementing the fastener batch dispensing method of claim 1, wherein the fastener batch dispensing device comprises:
a box body (11) for containing glue solution;
the supporting plate (20) is arranged above the box body (11);
a plurality of fasteners (30) are arranged on the support plate (20) and can move up and down along with the support plate (20);
the elastic reset mechanism is arranged between the box body (11) and the supporting plate (20) and is used for resetting the supporting plate (20) after being pressed down.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111123881.2A CN115846157B (en) | 2021-09-24 | 2021-09-24 | Method for batch dispensing of thread compound on fastener |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111123881.2A CN115846157B (en) | 2021-09-24 | 2021-09-24 | Method for batch dispensing of thread compound on fastener |
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| CN115846157A CN115846157A (en) | 2023-03-28 |
| CN115846157B true CN115846157B (en) | 2024-01-30 |
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| US5503673A (en) * | 1990-11-05 | 1996-04-02 | Mcneil-Ppc, Inc | Apparatus for dip coating product |
| CN102553794A (en) * | 2010-12-23 | 2012-07-11 | 贺利氏医疗有限公司 | Coating method and coating device |
| CN103357610A (en) * | 2013-07-18 | 2013-10-23 | 宜昌南玻硅材料有限公司 | Centralized fluid infusion system and fluid infusion method |
| CN205308718U (en) * | 2016-01-28 | 2016-06-15 | 绍兴文理学院 | Loudspeaker equipment is with automatic rubber coating closing device |
| CN213612404U (en) * | 2020-10-28 | 2021-07-06 | 柳州凌云科技有限公司 | Quick rubber coating device of bolt |
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2021
- 2021-09-24 CN CN202111123881.2A patent/CN115846157B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5503673A (en) * | 1990-11-05 | 1996-04-02 | Mcneil-Ppc, Inc | Apparatus for dip coating product |
| CN102553794A (en) * | 2010-12-23 | 2012-07-11 | 贺利氏医疗有限公司 | Coating method and coating device |
| CN103357610A (en) * | 2013-07-18 | 2013-10-23 | 宜昌南玻硅材料有限公司 | Centralized fluid infusion system and fluid infusion method |
| CN205308718U (en) * | 2016-01-28 | 2016-06-15 | 绍兴文理学院 | Loudspeaker equipment is with automatic rubber coating closing device |
| CN213612404U (en) * | 2020-10-28 | 2021-07-06 | 柳州凌云科技有限公司 | Quick rubber coating device of bolt |
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| Publication number | Publication date |
|---|---|
| CN115846157A (en) | 2023-03-28 |
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