CN114260153A - Pneumatic air storage type double-barrel glue gun - Google Patents

Abstract

The invention discloses a pneumatic air storage type double-barrel glue gun which comprises a gun body, a first glue pushing cylinder, a second glue pushing cylinder, a first pull rod, a second pull rod, a brake assembly and an operating handle, wherein the first glue pushing cylinder, the second glue pushing cylinder, the first pull rod, the second pull rod, the brake assembly and the operating handle are arranged in the gun body, the brake assembly is used for controlling the pull rods to be locked or operated, the operating handle is used for controlling the brake assembly to be operated, the gun body comprises a glue silo arranged at the front part and used for accommodating an AB glue barrel and an air storage barrel arranged at the rear part and used for storing air, two cylinder cavities used for accommodating the first glue pushing cylinder and the second glue pushing cylinder are arranged in the air storage barrel, a rear end cover is arranged at the rear end of the air storage barrel, and an air inlet is arranged on the air storage barrel or the rear end cover. The gluing device is simple in structure, light in weight and convenient to operate, can store compressed air, can glue under the condition of being connected with an external air source, can also work independently of the air source, does not need to be connected with inflating equipment constantly, is free from interference of an air source line, is more portable, can still carry out gluing operation when the air source is deficient, and avoids influencing the construction progress.

Description

Pneumatic air storage type double-barrel glue gun

Technical Field

The invention relates to a pneumatic air storage type double-barrel glue gun, and belongs to the technical field of glue coating.

Background

The glue guns for AB glue used in the industry at present are divided into a manual glue gun, a pneumatic glue gun and an electric glue gun, and because the glue guns need to push glue cylinders with two components simultaneously to extrude glue at the same time when working and fully and uniformly mix the two components through long glue nozzles, the glue extruding resistance is large, the manual glue guns are used for a long time to cause hands of operators to be tired, and the labor intensity is large; the electric glue gun solves the problem of powerful labor of operators to a certain extent, but simultaneously faces the problems of short service life of a glue gun battery, advanced charging of the battery and higher failure rate of the whole machine than that of a manual glue gun.

The event adopts the pneumatic rifle of gluing more, and the pneumatic rifle of gluing utilizes air pressure to beat as power and glues, is an efficient instrument of gluing of beating, but its during operation needs outside air supply to last the air feed to act on and carry out the rubber coating operation at the packing element, if meet under the condition that the job site does not have outside air supply or outside air supply can't work, the pneumatic rifle of gluing then can't use, influence construction progress that can be very big.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the pneumatic air storage type double-barrel glue gun which is simple in structure, convenient to operate, capable of storing air and capable of still performing glue coating operation under the condition that no external air source exists in a construction site.

The technical scheme for solving the technical problems is as follows: the utility model provides a pneumatic gas storage formula binocular glues rifle, includes the rifle body, locates the rifle internal first and push away gluey cylinder, second and push away gluey cylinder, with the first pull rod that pushes away gluey cylinder and be connected, with the second push away gluey cylinder second pull rod of being connected, be used for controlling the brake subassembly of pull rod locking or action and be used for controlling the operating handle of brake subassembly action, the rifle body is including setting up in the front and being used for holding the gluey silo of packing element and setting up the gas receiver that is used for storing gas at the rear portion, be equipped with in the gas receiver and be used for holding first and push away gluey cylinder and second and push away two cylinder chambers of gluey cylinder, the rear end of gas receiver is equipped with the rear end cap, be equipped with the air inlet on gas receiver or the rear end cap.

The invention has the beneficial effects that: accessible air inlet is aerifyd for gluing the rifle, this glue the rifle can be directly be connected with outside air supply and carry out the rubber coating operation, certainly also can not have outside air supply or outside air supply under the unable condition of working at the job site, break away from the air supply and carry out AB glue rubber coating operation alone, concrete brake assembly does not lock the pull rod, push away and glue the cylinder antedisplacement under the effect of compressed air in the gas receiver, it is first, the second pushes away the front end that glues the cylinder and acts on the rear end that a glued the cylinder and the rear end that B glued the cylinder respectively and to stifled pressurization mix after to and go out to glue through the rubber coating mouth and can carry out AB glue, the rubber coating progress is not influenced. The invention has simple structure, light weight and convenient operation, can store compressed air, can glue under the condition of being connected with an external air source, can also work independently without the air source, does not need to be connected with inflation equipment constantly, has no interference of an air source line, is more portable, can still carry out AB glue gluing operation when the air source is deficient, and avoids influencing the construction progress.

On the basis of the technical scheme, the invention can be further improved as follows.

Further, still be equipped with the anti-overflow and glue mechanism, the anti-overflow is glued the mechanism and is in including setting up first anti-overflow that pushes away gluey cylinder front end is in and set up the second anti-overflow that the second pushed away gluey cylinder front end is glued the cylinder, be equipped with respectively on the piston rod of first anti-overflow glue cylinder, second anti-overflow glue cylinder and push away gluey head, first anti-overflow glue cylinder and second anti-overflow glue cylinder are connected with gas circuit control mechanism through first anti-overflow rubber tube, second anti-overflow rubber tube respectively.

Adopt above-mentioned further scheme's beneficial effect to, glue the rifle and can have the problem of excessive glue after ending to glue, so the front end that pushes away gluey cylinder has increased anti-overflow and has glued the cylinder, can solve the excessive problem of gluing when ending the rubber coating. When the glue gun is used for gluing, the glue overflow preventing cylinder moves forwards along with the glue pushing cylinder to act on the glue cylinder for AB glue gluing operation, after the glue is glued, the glue pushing cylinder can stop acting through the brake assembly locking pull rod, the air circuit control mechanism can independently control the glue overflow preventing cylinder to timely release the pressure of the glue overflow preventing cylinder so as to avoid AB glue overflow, so that the glue gun can store compressed air, does not need to be constantly connected with inflating equipment, has no air circuit interference, is more portable, can be separated from an external air source to work independently, and can timely release the pressure after the glue is glued so as to prevent the glue gun from overflowing.

Further, the gas path control mechanism comprises an anti-glue-overflow valve and a control cylinder, the control cylinder is arranged on a fixed handle of the operating handle, a piston rod of the control cylinder is hinged with a movable handle of the operating handle, the anti-glue-overflow valve is arranged on the rear end cover, the control cylinder controls the action of the anti-glue-overflow valve through a control gas path, and under the action of the control cylinder, the anti-glue-overflow valve is communicated with the gas storage cylinder, the first anti-glue-overflow pipe and the second anti-glue pipe when glue squeezing is carried out; and releasing the pressure of the anti-overflow air cylinder in a non-glue-extrusion state or an inflation state.

The anti-overflow glue valve has the advantages that the movable handle is used for compressing the control cylinder to provide compressed air, the compressed air controls the anti-overflow glue valve to move through the control air path, the compressed air can enter the anti-overflow glue valve cavity through the anti-overflow glue air passage and pushes the anti-overflow glue valve core upwards, and the anti-overflow glue valve core is communicated with the air storage cylinder and the anti-overflow glue pipe to provide compressed air for the anti-overflow glue cylinder to push the anti-overflow glue cylinder to move forwards; when glue discharging is finished, the control cylinder returns, the glue overflow preventing valve core can return under the pushing of compressed air in the air storage cylinder, the glue overflow preventing air pipe is communicated with the outside to release pressure, and the glue overflow preventing cylinder moves backwards to release the residual thrust of the glue pushing cylinder to achieve the glue overflow preventing function.

Further, the anti-overflow glue valve includes valve pocket and case, the valve pocket top is equipped with the pressure release hole, first anti-overflow rubber tube and second anti-overflow rubber tube communicate with the upper portion of valve pocket respectively, the gas receiver with the middle part intercommunication of valve pocket, be equipped with ring platform and lower ring platform on the case, go up and be equipped with the annular that is used for communicateing gas receiver and first, second anti-overflow rubber tube between ring platform and the lower ring platform, the external diameter of ring platform is greater than the external diameter of ring platform down.

Adopt above-mentioned further scheme's beneficial effect to be equipped with the sealing washer respectively on last ring platform and the lower ring platform. Form the ring chamber between annular and the anti-overflow gluey valve chamber, the compressed air of air receiver gets into the ring chamber through the air inlet after the anti-overflow gluey valve core moves up, ring chamber upper end intercommunication anti-overflow rubber tube, make the pressure that pushes away gluey cylinder the same with the pressure of anti-overflow gluey piston, there is the space throughout in the anti-overflow gluey cylinder unable by the compression, when movable handle loosens, brake assembly locking pull rod, push away gluey cylinder and stop the antedisplacement, the anti-overflow gluey valve core moves down to the lower extreme, the gas circuit is cut off between air receiver and the anti-overflow rubber tube, anti-overflow rubber tube and pressure release hole intercommunication, the compressed air of anti-overflow gluey cylinder is released, the anti-overflow gluey piston loses thrust and plays the purpose that prevents overflow gluey.

Furthermore, the brake assembly is including locating first brake block, the second brake block of first pull rod both sides, locate the third brake block, the fourth brake block of second pull rod both sides and be used for driving first brake block, second brake block, third brake block and the locking of fourth brake block or the brake power unit of action, be equipped with on first brake block, second brake block, third brake block and the fourth brake block with first pull rod, second pull rod complex notch, control cylinder passes through control gas circuit control brake power unit's action.

The beneficial effect of adopting above-mentioned further scheme is that, the brake block is spacing in the activity space that back shroud, spacing piece on the brake, spacing piece under the brake and fixed cover plate formed, thereby brake power unit can contact with the left side or the right flank of brake block and act on the brake block and control brake block locking pull rod or control the clearance control pull rod's of brake block and pull rod antedisplacement speed, thereby the crowded gluey speed of control rifle.

Furthermore, be equipped with spacing block, spacing block and fixed cover plate under the brake on the rear end cap, spacing block under the brake, fixed cover plate and rear end cap form and are used for holding on the brake the activity space of first brake block and second brake block or third brake block and fourth brake block, brake power unit is including being used for the drive the outer brake mechanism of first brake block and fourth brake block and being used for the drive the interior brake mechanism of second brake block and third brake block, control cylinder reaches through the control gas circuit the gas storage chamber gas circuit cooperation control in gas storage chamber the action of outer brake mechanism.

The beneficial effects of adopting above-mentioned further scheme are that, the upper and lower spacing piece can lead spacing to the removal of brake block, guarantees that the brake block removes along the direction of holding the pull rod tightly, and rear end cap, upper and lower spacing piece and fixed cover plate form the activity space that is used for holding the brake block in addition, guarantee the stability of brake block on the rear end cap, also be convenient for carry out follow-up maintenance to the brake block simultaneously.

Further, outer brake mechanism includes brake connecting rod and brake cylinder, the upper end of brake connecting rod is connected with the rear end cap through the fixed pin, and the middle part acts on first brake block or fourth brake block, the lower extreme with brake cylinder's piston rod is connected, control cylinder through the control gas circuit with brake cylinder's inner chamber intercommunication, the gas storage chamber through the gas storage chamber gas circuit with brake cylinder's exocoel intercommunication.

The beneficial effect who adopts above-mentioned further scheme is that, the fixed pin is the articulated fulcrum of brake connecting rod, and under the drive of brake cylinder, left and right brake connecting rod rotates with articulated fulcrum separately respectively, realizes brake connecting rod turned angle's control. The principle of the external brake mechanism is controlled by two gas circuits, one is that compressed air of the gas storage cavity acts on an outer cavity of the brake cylinder through the gas circuit of the gas storage cavity, and the outer cavity is used for providing a brake force for pressing the brake block by the brake connecting rod; the other path is provided by a control cylinder, when the control cylinder provides compressed air to act on an inner cavity of the brake cylinder, the pressure of the control air source is used for counteracting the thrust of the air source of the air storage cavity acting on the outer side of the brake cylinder, so that the pressure of the brake block is reduced, and the braking force of the brake block for restraining the ejector rod is reduced; the reset of the brake cylinder is realized by the pressure provided by the compressed air of the air storage cavity, when the ejector rod is locked by the cooperation of the brake block, the glue pushing cylinder does not act, when the gluing operation is needed, the operation handle acts, the compressed air of the control cylinder, the compressed air enters the inner cavity of the brake cylinder through the control air channel, the acting force of the air source of the air storage cavity is offset by the pressure of the air source of the control air channel, so that the braking force of the brake block on the ejector rod is reduced, the pull rod acts along with the glue pushing cylinder, the ejector rod can move forwards under the action of the compressed air and acts on the glue cylinder for gluing operation through the push block, the glue extruding speed of the ejector rod is adjusted by adjusting the force of pressing the operation handle during the operation, the real-time matching of the gluing speed and the pressing force is realized, the gluing difficulty of an operator is reduced, and the glue breaking or the situation that glue is wasted roughly by the adhesive tape is prevented.

Further, interior brake mechanism is including setting up the fixed regulating block on the rear end cap, locating the movable regulating block of fixed regulating block both sides and being used for adjusting the adjusting bolt of movable regulating block position, fixed regulating block with be equipped with the direction inclined plane between the movable regulating block, be equipped with the mounting panel on the rear end cap, the movable regulating block passes through adjusting bolt with on the mounting panel, the movable regulating block acts on second brake block or third brake block.

The further scheme has the advantages that during locking, the brake connecting rod is in surface contact with the positions of the first brake block and the fourth brake block, which extend out of the movable space, so that the first brake block and the fourth brake block can be controlled to move towards the pull rod and be matched with the second brake block and the third brake block to lock the pull rod, when a gap is needed between the brake connecting rod and the pull rod, the brake cylinder moves under the action of an air source of the air storage cavity and an air source of a control air path, the brake connecting rod rotates around the fixing pin and can be far away from the first brake block and the fourth brake block, a large brake effect cannot be generated on the pull rod, and the brake connecting rod can be attached to the pull rod without brake force; the height of the adjusting bolt is adjusted by the aid of the guide inclined plane for the second brake block and the third brake block, the position of the fixed brake block is adjusted by the adjusting bolt, so that the movable adjusting block is adjusted to be in surface contact with or far away from the brake block, the locking or action control of the pull rod is realized by the aid of the adjusting bolt in cooperation with other brake blocks, the brake cylinders can adopt two cylinders, the cylinders respectively extend out of piston rods to control brake connecting rods, or double-piston-rod cylinders can be adopted, the gas circuit layout is simpler, and the first brake block and the second brake block are driven to be locked or the pull rod is driven to act by the aid of cooperation of the first brake block, the fourth brake block and the third brake block through telescopic action of the brake cylinders and adjustment of the adjusting bolt.

Furthermore, the bottom of the rear end cover is provided with a mounting seat, an anti-glue-overflow air passage, a brake air passage and an air storage cavity air passage are arranged in the mounting seat, and the control pipeline is respectively communicated with the anti-glue-overflow air passage and the brake air passage; the air storage cavity is communicated with an outer cavity of the brake cylinder through an air passage of the air storage cavity.

The beneficial effect who adopts above-mentioned further scheme is that, the mount pad is convenient for anti-overflow and glues installation and maintenance of valve, and its inside air flue intercommunication brake air flue, anti-overflow are glued the air flue in addition, realize the intercommunication of each pipeline or pipeline.

Furthermore, an inflation cavity is arranged on a fixed handle of the operating handle, an inflation inlet is formed in an inlet of the inflation cavity, and an outlet of the inflation cavity is communicated with the air inlet through an inflation pipeline to supply air to the air reservoir.

Adopt above-mentioned further scheme's beneficial effect is, the inflation inlet adopts the check valve formula inflation inlet, then communicates the pipeline of outside air supply with the inflation inlet on the movable handle when needing to aerify, alright in order to carry out the gas storage in the gas receiver, the gas storage process, brake subassembly acts on the pull rod, locks the pull rod and avoids the gas storage process to push away gluey cylinder antedisplacement.

Furthermore, an air supply path for communicating the air inlet with an air source is further arranged on the rear end cover and/or the mounting seat.

The beneficial effect of adopting above-mentioned further scheme is that, gas supply gas circuit intercommunication gas charging line and air inlet are the gas receiver air feed, and the gas circuit is connected convenient and fast, and is convenient for maintain.

Furthermore, the inflation pipeline and the control gas circuit are of a double-layer pipe structure.

Adopt above-mentioned further scheme's beneficial effect be, the control gas circuit sets up the inside at gas charging line. Only need in appearance a pipe fitting can, reduce the quantity of pipe fitting, avoid mixed and disorderly interference of each other between the pipeline, can satisfy gas receiver gas storage, brake subassembly and to the control requirement to anti-overflow cylinder simultaneously again.

Furthermore, the first pull rod is connected with the rear end of the second pull rod.

Adopt above-mentioned further scheme's beneficial effect is that, the gas in the gas receiver acts on first glue cylinder and the second pushes away gluey cylinder, through the connection between two pull rods, realizes that first glue cylinder and the second of pushing away pushes away gluey cylinder's synchronous action of pushing away.

Further, a cylinder sealing piece used for guiding the first glue pushing cylinder and the second glue pushing cylinder is arranged in the air storage cylinder.

The rubber pushing cylinder has the advantages that the rubber pushing cylinder can act on the rear plug of the rubber cylinder arranged in the rubber silo under the action of compressed air, and in order to further ensure the pressure of the compressed air in the air storage cylinder, the cylinder sealing element used for sealing and guiding the rubber pushing cylinder is arranged on the inner surface of the cylinder cavity in the air storage cylinder, so that the sealing performance of the air storage cylinder is further improved.

Further, an air outlet is formed in the rear end cover, and an air release valve is arranged on the air outlet.

Adopt above-mentioned further scheme's beneficial effect be, when needs gassing, in time discharge the air in the air receiver through the switching of bleeder valve control air receiver gas outlet.

Furthermore, the operating handle is connected with the air storage cylinder through a cylinder hoop, and a locking screw is arranged on the cylinder hoop.

The beneficial effects of adopting above-mentioned further scheme are that, realize being connected between operating handle and the gas receiver through the barrel hoop, it is convenient to connect, and the barrel hoop passes through the position convenient and fast of locking screw adjustment barrel hoop on the gas receiver.

Drawings

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

FIG. 2 is a left side view of the present invention;

FIG. 3 is a schematic diagram of the right view structure of the present invention;

FIG. 4 is a schematic perspective view of the present invention;

FIG. 5 is a schematic view of a partial cross-sectional structure of the anti-flash adhesive of the present invention;

FIG. 6 is an enlarged view of a portion A of FIG. 5;

FIG. 7 is a schematic axial cross-sectional view of the air reservoir of the present invention;

FIG. 8 is a schematic structural view of a brake block according to the present invention;

FIG. 9 is a schematic cross-sectional view of the brake cylinder of the present invention;

in the figure, 1, a rubber barrel bin; 2. an air cylinder; 3. a barrel hoop; 4. a rear end cap; 5. a first pull rod; 6. a second pull rod; 7. a first glue pushing cylinder; 8. a second glue pushing cylinder; 9. a first glue overflow prevention cylinder; 10. a second glue overflow prevention cylinder; 11. pushing the rubber head; 12. a first overflow-proof rubber tube; 13. a second overflow-proof rubber tube; 14. fixing a handle; 15. a movable handle; 16. controlling the cylinder; 17. controlling the gas circuit; 18. a valve core; 181. a ring mounting table; 182. a lower ring table; 183. a ring groove; 19. a valve cavity; 20. a pressure relief vent; 21. a mounting seat; 22. an anti-glue overflow air channel; 23. an air supply path; 24. a brake air passage; 25. an inflation inlet; 26. an inflation pipeline; 27. a quick pipe joint; 28. a first brake block; 29. a second brake block; 30. a third brake block; 31. a fourth brake block; 32. an upper limit block for braking; 33. a brake lower limit block; 34. fixing the cover plate; 35. a brake cylinder; 36. a brake connecting rod; 37. a rubber cylinder; 38. a glue coating nozzle; 39. a cylinder seal; 40. a fixing pin; 41. fixing the adjusting block; 42. a movable adjusting block; 43. adjusting the bolt; 44. a gas storage cavity gas circuit; 45. an inner cavity; 46. an outer cavity.

Detailed Description

The principles and features of this invention are described below in conjunction with examples, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.

As shown in fig. 1-9, a pneumatic air storage type dual-barrel glue gun comprises a gun body, a first glue pushing cylinder 7, a second glue pushing cylinder 8, a first pull rod 5 connected with the first glue pushing cylinder 7, a second pull rod 6 connected with the second glue pushing cylinder 8, a brake assembly for controlling locking or movement of the pull rods, and an operating handle for controlling movement of the brake assembly, wherein the gun body comprises a glue silo 1 arranged at the front part for accommodating an AB glue cylinder, and an air storage cylinder 2 arranged at the rear part for storing air, two cylinder cavities for accommodating the first glue pushing cylinder 7 and the second glue pushing cylinder 8 are arranged in the air storage cylinder 2, a rear end cover 4 is arranged at the rear end of the air storage cylinder 2, and an air inlet is arranged on the air storage cylinder 2 or the rear end cover 4.

Still be equipped with the anti-overflow and glue the mechanism, the anti-overflow is glued the mechanism and is in including setting up first anti-overflow that pushes away gluey cylinder 9 and the setting of 7 front ends of gluey cylinder are in the second anti-overflow that the second pushed away gluey cylinder 8 front ends glues cylinder 10, be equipped with respectively on the piston rod of first anti-overflow gluey cylinder 9, second anti-overflow gluey cylinder 10 and push away gluey head 11, first anti-overflow is glued cylinder 9 and second anti-overflow and is glued cylinder 10 and be connected with gas circuit control mechanism through first anti-overflow rubber tube 12, second anti-overflow rubber tube 13 respectively. The glue gun can have the problem of excessive glue after finishing glue discharging, so the glue overflow prevention cylinder is added at the front end of the glue pushing cylinder, and the problem of excessive glue can be solved when finishing glue coating. When the glue gun is used for gluing, the glue overflow preventing cylinder moves forwards along with the glue pushing cylinder to act on the glue cylinder for AB glue gluing operation, after the glue is glued, the glue pushing cylinder can stop acting through the brake assembly locking pull rod, the air circuit control mechanism can independently control the glue overflow preventing cylinder to timely release the pressure of the glue overflow preventing cylinder so as to avoid AB glue overflow, so that the glue gun can store compressed air, does not need to be constantly connected with inflating equipment, has no air circuit interference, is more portable, can be separated from an external air source to work independently, and can timely release the pressure after the glue is glued so as to prevent the glue gun from overflowing.

The air path control mechanism comprises an anti-glue-overflow valve and a control cylinder 16, the control cylinder 16 is arranged on a fixed handle 14 of the operating handle, a piston rod of the control cylinder is hinged with a movable handle 15 of the operating handle, the anti-glue-overflow valve is arranged on the rear end cover 4, the control cylinder 16 controls the action of the anti-glue-overflow valve through a control air path 17, and under the action of the control cylinder 16, the anti-glue-overflow valve is communicated with the air storage cylinder 2, the first anti-glue-overflow pipe 12 and the second anti-glue-overflow pipe 13 when glue squeezing work is carried out; and releasing the pressure of the anti-overflow air cylinder in a non-glue-extrusion state or an inflation state. The movable handle is used for compressing the control cylinder 16 to provide compressed air, the compressed air controls the glue overflow prevention valve to act through the control air passage 17, the compressed air can also enter the glue overflow prevention valve cavity 19 through the glue overflow prevention air passage 22 to push the glue overflow prevention valve core 18 upwards, and the glue overflow prevention valve core 18 is communicated with the air storage cylinder 2 and the glue overflow prevention pipe to provide compressed air for the glue overflow prevention cylinder to push the glue overflow prevention cylinder to move forwards; when glue discharging is finished, a spring is arranged on a piston rod of the control cylinder, the control cylinder 16 returns, the glue overflow prevention valve core 18 returns under the pushing of compressed air in the air storage cylinder 2, the glue overflow prevention air pipe is communicated with the outside to release pressure, and the glue overflow prevention cylinder moves backwards to release the residual thrust of the glue pushing cylinder to realize the glue overflow prevention function.

The anti-overflow glue valve includes valve pocket 19 and case 18, 19 tops of valve pocket are equipped with pressure release hole 20, first anti-overflow rubber tube 12 and second anti-overflow rubber tube 13 communicate with the upper portion of valve pocket 19 respectively, the gas receiver 2 with the middle part intercommunication of valve pocket 19, be equipped with ring platform 181 and lower ring platform 182 on the case 18, go up ring platform 181 and be equipped with the annular 183 that is used for communicateing gas receiver 2 and first, second anti-overflow rubber tube 13 down between the ring platform 182, the external diameter of ring platform 182 is greater than the external diameter of ring platform 181 down. The upper ring table 181 and the lower ring table 182 are respectively provided with a sealing ring. Form the ring chamber between 183 and the anti-overflow gluey valve chamber 19, the compressed air of air receiver 2 gets into the ring chamber through the air inlet after the anti-overflow gluey valve core 18 moves up, ring chamber upper end intercommunication anti-overflow rubber tube, make the pressure that pushes away gluey cylinder the same with the pressure of anti-overflow gluey piston, there is the space throughout in the anti-overflow gluey cylinder unable compressed, when movable handle loosens, brake assembly locking pull rod, it stops the antedisplacement to push away gluey cylinder, anti-overflow gluey valve core 18 moves down to the lower extreme, the gas circuit is cut off between air receiver 2 and the anti-overflow rubber tube, anti-overflow rubber tube and pressure release hole 20 intercommunication, the compressed air of anti-overflow gluey cylinder is released, the anti-overflow gluey piston loses thrust and plays the purpose of preventing overflow gluey.

Brake subassembly is including locating first brake block 28, second brake block 29 of first pull rod both sides, locate the third brake block 30, the fourth brake block 31 of second pull rod both sides and be used for driving the locking of first brake block, second brake block, third brake block and fourth brake block or the brake power unit of action, be equipped with on first brake block, second brake block, third brake block and the fourth brake block with first pull rod, second pull rod complex notch, control cylinder passes through control gas circuit control brake power unit's action. The brake block is limited in a movable space formed by the rear cover plate, the upper brake limiting block, the lower brake limiting block and the fixed cover plate, and the brake power mechanism can be in contact with the left side or the right side of the brake block to act on the brake block to control the locking pull rod of the brake block or control the gap between the brake block and the pull rod to control the forward moving speed of the pull rod, so that the glue extruding speed of the glue gun is controlled.

Be equipped with spacing block 32, spacing block 33 and fixed cover plate 34 under the brake on the rear end cap, spacing block 32, spacing block 33, fixed cover plate 34 and rear end cap 4 formation are used for holding under the brake the activity space of first brake block and second brake block or third brake block and fourth brake block, the brake block can only be removed along the direction of holding the pull rod tightly under the limiting displacement of activity space. The brake power mechanism comprises an outer brake mechanism for driving the first brake block 28 and the fourth brake block 31 and an inner brake mechanism for driving the second brake block 29 and the third brake block 30, and the control cylinder controls the action of the outer brake mechanism through the cooperation of a control air passage and an air storage cavity of the air storage cavity. The upper and lower spacing block can lead spacing to the removal of brake block, guarantees that the brake block removes along the direction of holding the pull rod tightly, and rear end cap, upper and lower spacing block and fixed cover plate form the activity space that is used for holding the brake block in addition, guarantee the stability of brake block on the rear end cap, also be convenient for carry out follow-up maintenance to the brake block simultaneously.

The outer brake mechanism comprises a brake connecting rod 36 and a brake cylinder 35, the upper end of the brake connecting rod is connected with the rear end cover through a fixing pin 40, the middle part of the brake connecting rod acts on the first brake block 28 or the fourth brake block 31, the lower end of the brake connecting rod is connected with a piston rod of the brake cylinder 35, the control cylinder is communicated with an inner cavity 45 of the brake cylinder through a control air path, and the air storage cavity is communicated with an outer cavity 46 of the brake cylinder through an air storage cavity 44. The fixed pin is the hinge pivot of brake connecting rod, and under the drive of brake cylinder, left and right brake connecting rod rotates with respective hinge pivot respectively, realizes the control of brake connecting rod turned angle. The principle of the external brake mechanism is controlled by two gas circuits, one is that compressed air of the gas storage cavity acts on an outer cavity of the brake cylinder through the gas circuit of the gas storage cavity, and the outer cavity is used for providing a brake force for pressing the brake block by the brake connecting rod; the other path is provided by a control cylinder, when the control cylinder provides compressed air to act on an inner cavity of the brake cylinder, the pressure of the control air source is used for counteracting the thrust of the air source of the air storage cavity acting on the outer side of the brake cylinder, so that the pressure of the brake block is reduced, and the braking force of the brake block for restraining the ejector rod is reduced; the resetting of the brake cylinder is realized by the pressure provided by the compressed air of the air storage cavity, when the brake block is matched with the locking ejector rod, the glue pushing cylinder does not act, when the gluing operation is needed, the operating handle acts to control the air cylinder to compress air, the compressed air enters the inner cavity of the brake air cylinder through the control air passage, the acting area of the air source of the control air passage is larger than that of the air passage of the air storage cavity, the pressure of the air source of the control air passage counteracts the acting force of the air source of the air storage cavity, thereby reducing the braking force of the brake block to the ejector rod, the pull rod acts along with the glue pushing cylinder, the ejector rod can move forwards under the action of compressed air and acts on the glue cylinder through the push block to carry out gluing operation, and during operation, the glue extruding speed of the ejector rod is adjusted by adjusting the force of pressing the operating handle, so that the glue coating speed is matched with the pressing force in real time, the glue coating difficulty of an operator is reduced, and the condition that glue is broken or is wasted due to too coarse glue strips is prevented.

Interior brake mechanism is including setting up fixed regulating block 41 on the rear end cap, locating the activity regulating block 42 of fixed regulating block both sides and being used for adjusting the adjusting bolt 43 of activity regulating block position, fixed regulating block with be equipped with the direction inclined plane between the activity regulating block, be equipped with the mounting panel on the rear end cap, the activity regulating block passes through adjusting bolt with on the mounting panel, the activity regulating block acts on second brake block or third brake block. When the brake is locked, the brake connecting rod is in surface contact with the positions of the first brake block and the fourth brake block, which extend out of the movable space, so that the first brake block and the fourth brake block can be controlled to move towards the pull rod and be matched with the second brake block and the third brake block to lock the pull rod, when a gap is required between the brake connecting rod and the pull rod, the brake cylinder moves under the action of an air source of the air storage cavity and an air source of a control air circuit, the brake connecting rod rotates around the fixed pin and can be far away from the first brake block and the fourth brake block, a large brake effect cannot be generated on the pull rod, and the brake connecting rod can be attached to the pull rod without brake force; the height of an adjusting bolt is adjusted by utilizing a guide inclined plane for a second brake block and a third brake block, the position of the fixed brake block is adjusted by the adjusting bolt, so that the movable adjusting block is adjusted to be in surface contact with the brake block or be far away from the brake block, the locking or action control of a pull rod is realized by matching with other brake blocks, the upper end of a brake connecting rod is hinged with a fixed pin, the lower end of the brake connecting rod is connected with a piston rod of a brake cylinder, the control cylinder can control the action of the brake cylinder through an air channel, the brake cylinder can adopt two cylinders, the cylinders respectively extend out of the piston rod to control the brake connecting rod, or can adopt a double-piston-rod cylinder, the air channel layout is simpler, and the first brake block and the second brake block are driven to be matched with each other through the telescopic action of the brake cylinder and the adjustment of the adjusting bolt to lock the pull rod or enable the pull rod to act.

The bottom of the rear end cover 4 is provided with a mounting seat 21, an anti-glue-overflow air passage 22, a brake air passage 24 and an air storage cavity air passage 44 are arranged in the mounting seat 21, the control pipeline is respectively communicated with the anti-glue-overflow air passage 22 and the brake air passage 24, and the air storage cavity is communicated with an outer cavity 46 of a brake cylinder through the air storage cavity air passage 44; the mounting seat 21 is convenient for the installation and maintenance of the glue overflow prevention valve, and the air passages are arranged inside the mounting seat and communicated with the brake air passage 24 and the glue overflow prevention air passage 22, so that the communication of all pipelines or pipelines is realized.

The fixed handle of the operating handle is provided with an inflation cavity, the inlet of the inflation cavity is provided with an inflation port 25, and the outlet of the inflation cavity is communicated with the air inlet through an inflation pipeline 26 to supply air to the air storage cylinder 2. The inflation inlet 25 adopts a one-way valve type inflation inlet 25, when inflation is needed, the pipeline of an external air source is communicated with the inflation inlet 25 on the movable handle, so that air can be stored in the air cylinder 2, the brake assembly acts on the pull rod in the air storage process, and the pull rod is locked to prevent the air storage process from pushing the glue cylinder to move forwards. The two ends of the air charging pipeline 26 are respectively provided with a quick pipe joint 27.

And an air supply path 23 for communicating the air inlet with an air source is further arranged on the rear end cover 4 and/or the mounting seat 21. The air supply path 23 is communicated with the inflation pipeline 26 and the air inlet to supply air for the air storage cylinder 2, and the air path connection is convenient and quick, and is convenient to maintain.

The inflation pipeline 26 and the control air circuit 17 adopt a double-layer structure. Control circuit 17 is disposed within the interior of inflation line 26. Only need in appearance a pipe fitting can, reduce the quantity of pipe fitting, avoid mixed and disorderly interference of each other between the pipeline, can satisfy 2 gas storages of gas receiver, brake assembly and to the control requirement to anti-overflow cylinder simultaneously again.

The first pull rod 5 is connected with the rear end of the second pull rod 6. The gas in the gas cylinder 2 acts on the first glue pushing cylinder 7 and the second glue pushing cylinder 8, and synchronous glue pushing actions of the first glue pushing cylinder 7 and the second glue pushing cylinder 8 are achieved through connection between the two pull rods.

And a cylinder sealing piece 39 for guiding the first glue pushing cylinder 7 and the second glue pushing cylinder 8 is arranged in the air cylinder 2. The glue pushing cylinder can act on the rear plug of the glue cylinder arranged in the glue silo 1 under the action of compressed air, and in order to further ensure the pressure of the compressed air in the air storage cylinder 2, an air cylinder sealing element 39 for sealing and guiding the glue pushing cylinder is arranged on the inner surface of a cylinder cavity in the air storage cylinder 2, so that the sealing performance of the air storage cylinder 2 is further improved.

And the rear end cover 4 is provided with an air outlet, and the air outlet is provided with an air release valve. When needing to deflate, the air in the air storage cylinder 2 is timely exhausted by controlling the opening and closing of the air outlet of the air storage cylinder 2 through the air release valve.

The operating handle is connected with the air storage cylinder 2 through a cylinder hoop 3, and a locking screw is arranged on the cylinder hoop 3. The cylinder hoop 3 is connected with the air storage cylinder 2 through the operating handle, the connection is convenient, and the position of the cylinder hoop 3 on the air storage cylinder 2 is adjusted through the locking screw by the cylinder hoop 3, so that the operation is convenient and fast.

Gas storage cavity inflation stage: the quick-insertion inflation inlet is connected with an air source to provide compressed air, the compressed air enters the outer air pipe of the double-layer air pipe through the fixed handle, is transmitted to the left air pipe of the brake seat, and then is sent into the air storage cavity through the air supply path of the brake seat and the rear end cover. Compressed air in the air storage cavity enters an annular cavity of the glue overflow prevention valve core through the air hole, the diameters of two ends of the glue overflow prevention valve core are different, the diameter of the lower end of the glue overflow prevention valve core is large, the diameter of the upper end of the glue overflow prevention valve core is small, and the compressed air pushes the glue overflow prevention valve core to be positioned at the lowest end of the valve hole. At the moment, compressed air is sealed by the O-shaped ring and cannot enter the anti-overflow rubber tube for charging and discharging air of the anti-overflow rubber cylinder.

The gluing working stage: put into the packing element cabin with AB glue, control activity handle push control cylinder compressed air, compressed air gets into the brake block through double-deck tracheal inlayer gas circuit, get into anti-overflow and glue case bottom through brake block right side gas circuit, promote anti-overflow and glue the case and shift up, anti-overflow moves the back on the gluey case, annular intercommunication gas storage chamber and anti-overflow rubber tube, the compressed air in gas storage chamber gets into the anti-overflow through the gas pocket and glues the piston and fill gassing anti-overflow rubber tube in to send to the sealed cavity of anti-overflow and glue the piston, the anti-overflow is glued the piston and is moved forward, promote the packing element and glue crowded. The movable handle is controlled to simultaneously control the brake force of a brake system to loosen a part of pull rods, the glue pushing cylinder moves forwards under the pushing of compressed air in the air storage cavity, and meanwhile, the glue overflow preventing piston is driven to move forwards. Because the pressure of the compressed air which is the compressed air of the air storage cavity and used for pushing the glue pushing cylinder to advance is the same as the pressure in the glue overflow prevention piston, in the advancing working process of the glue pushing cylinder, the glue pushing cylinder still has partial braking force to prevent the glue pushing cylinder from advancing, and the sealing cavity of the glue overflow prevention piston always has space and cannot be compressed. The brake block no longer locks the pull rod, and compressed air acts on the rubber pushing cylinder, drives the pull rod to move forward simultaneously for the back of ejector pad effect on the packing element is stifled, makes the colloid follow the rubber coating mouth and flows out and carry out the rubber coating operation.

And finishing the working stage: when the movable handle is loosened, the reset of the brake cylinder is realized by the pressure provided by the compressed air in the air storage cavity, the brake block locks the pull rod under the action of the brake cylinder, the brake system stops the brake and pushes the rubber pushing cylinder to move forwards, the compressed air in the control cylinder cavity loses the pressure, the anti-overflow rubber valve core pushes the compressed air in the air storage cavity to move downwards to the lowest end again, the compressed air in the air storage cavity and the air path of the anti-overflow rubber piston are cut off, meanwhile, the air path of the anti-overflow rubber piston and the pressure relief hole of the rear end cover form a passage, the compressed air in the anti-overflow rubber piston is released, and the anti-overflow rubber piston loses the thrust to achieve the purpose of preventing the overflow rubber.

The invention has the advantages of simple design structure, light weight and reduced labor intensity of operators. Through changing the inflation head, this gas storage formula glue gun can use portable air pump, compression air pump, mill's air supply is aerifyd even manual inflator pump, but the disconnection air supply is connected after aerifing, realizes portable operation, and the design of rubber coating rifle has the speed governing control handle, presses the crowded glue rate of the inside cylinder of dynamics adjustment of handle through the adjustment during operation, realizes that rubber coating speed matches in real time with the pressing force, reduces operator's the rubber coating degree of difficulty and prevents to glue absolutely or the condition of the thick extravagant glue of adhesive tape.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. The utility model provides a pneumatic gas storage formula binocular gluey rifle, its characterized in that includes the rifle body, locates the rifle internal first push away gluey cylinder (7), the second pushes away gluey cylinder (8), with first pull rod (5) of pushing away gluey cylinder (7) connection, push away second pull rod (6) of gluing cylinder (8) connection with the second, be used for controlling the brake subassembly of pull rod locking or action and be used for controlling the operating handle of brake subassembly action, the rifle body is including setting up in the front and being used for holding gluey silo (1) of a gluey cylinder and setting up in the rear portion and being used for storing gaseous gas receiver (2), be equipped with in gas receiver (2) and be used for holding two jar chambers that first push away gluey cylinder (7) and second push away gluey cylinder (8), the rear end of gas receiver (2) is equipped with rear end cap (4), be equipped with the air inlet on gas receiver (2) or rear end cap (4).

2. The pneumatic air-storing double-barrel glue gun according to claim 1, further comprising a glue overflow preventing mechanism, wherein the glue overflow preventing mechanism comprises a first glue overflow preventing cylinder (9) arranged at the front end of the first glue pushing cylinder (7) and a second glue overflow preventing cylinder (10) arranged at the front end of the second glue pushing cylinder (8), piston rods of the first glue overflow preventing cylinder (9) and the second glue overflow preventing cylinder (10) are respectively provided with a glue pushing head (11), and the first glue overflow preventing cylinder (9) and the second glue overflow preventing cylinder (10) are respectively connected with the air passage control mechanism through a first glue overflow preventing tube (12) and a second glue overflow preventing tube (13).

3. The pneumatic air-storing double-barrel glue gun according to claim 2, characterized in that the air path control mechanism comprises an anti-glue-overflow valve and a control cylinder (16), the control cylinder (16) is arranged on a fixed handle (14) of the operating handle, a piston rod of the control cylinder is hinged with a movable handle (15) of the operating handle, the anti-glue-overflow valve is arranged on the rear end cover (4), the control cylinder (16) controls the action of the anti-glue-overflow valve through a control air path (17), and the anti-glue-overflow valve is communicated with a first anti-glue-overflow pipe (12) and a second anti-glue-overflow pipe (13) during glue squeezing operation under the action of the control cylinder (16); and releasing the pressure of the anti-overflow air cylinder in a non-glue-extrusion state or an inflation state.

4. The pneumatic air storage type double-barrel glue gun according to claim 3, wherein the glue overflow prevention valve comprises a valve cavity (19) and a valve core (18), a pressure relief hole (20) is formed in the top of the valve cavity (19), the first glue overflow prevention pipe (12) and the second glue overflow prevention pipe (13) are respectively communicated with the upper portion of the valve cavity (19), the air storage cylinder (2) is communicated with the middle of the valve cavity (19), an upper annular table (181) and a lower annular table (182) are arranged on the valve core (18), an annular groove (183) used for communicating the air storage cylinder (2) with the first glue overflow prevention pipe and the second glue overflow prevention pipe (13) is formed between the upper annular table (181) and the lower annular table (182), and the outer diameter of the lower annular table (182) is larger than that of the upper annular table (181).

5. The pneumatic air-storage type double-barrel glue gun according to claim 3, wherein the brake assembly comprises a first brake block (28), a second brake block (29), a third brake block (30), a fourth brake block (31) and a brake power mechanism, wherein the first brake block (28) and the second brake block (29) are arranged on two sides of the first pull rod, the third brake block (30) and the fourth brake block (31) are arranged on two sides of the second pull rod, and the brake power mechanism is used for driving the first brake block, the second brake block, the third brake block and the fourth brake block to lock or move.

6. The pneumatic air-storing double-barrel glue gun according to claim 5, characterized in that the rear end cap (4) is provided with an upper brake limiting block (32), a lower brake limiting block (33) and a fixed cover plate (34), the upper brake limiting block (32), the lower brake limiting block (33), the fixed cover plate (34) and the rear end cover (4) form a movable space for accommodating the first brake block and the second brake block or the third brake block and the fourth brake block, the brake power mechanism comprises an outer brake mechanism for driving the first brake block (28) and the fourth brake block (31) and an inner brake mechanism for driving the second brake block (29) and the third brake block (30), and the control cylinder (16) controls the action of the outer brake mechanism through the cooperation of a control air passage (17) and the air storage cavity through an air passage of the air storage cavity.

7. The pneumatic air storage type double-barrel glue gun according to claim 6, wherein the external brake mechanism comprises a brake connecting rod (36) and a brake cylinder (35), the upper end of the brake connecting rod is connected with the rear end cover through a fixing pin (40), the middle part of the brake connecting rod acts on the first brake block or the fourth brake block, the lower end of the brake connecting rod is connected with a piston rod of the brake cylinder, the control cylinder is communicated with an inner cavity of the brake cylinder through a control air passage, and the air storage cavity is communicated with an outer cavity of the brake cylinder through an air storage cavity air passage.

8. The pneumatic air-storing double-barrel glue gun according to claim 6, wherein the inner brake mechanism comprises a fixed adjusting block (41) arranged on the rear end cover, movable adjusting blocks (42) arranged on two sides of the fixed adjusting block and adjusting bolts (43) used for adjusting the positions of the movable adjusting blocks, a guide inclined plane is arranged between the fixed adjusting block (41) and the movable adjusting blocks (42), a mounting plate is arranged on the rear end cover (4), the movable adjusting blocks (42) are connected with the mounting plate through the adjusting bolts (43), and the movable adjusting blocks (42) act on the second brake block or the third brake block.

9. The pneumatic air-storing double-barrel glue gun according to claim 8, characterized in that the air-filling pipeline (26) and the control air channel (17) are of a double-layer pipe structure.

10. Pneumatic air-storing double-barrel glue gun according to any one of claims 1-9, characterised in that the first pull rod (5) is connected to the rear end of the second pull rod (6).

Images