CN221157416U - Glue gun for improving mixing ratio stability of two-component glue - Google Patents
Glue gun for improving mixing ratio stability of two-component glue Download PDFInfo
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- CN221157416U CN221157416U CN202322852695.3U CN202322852695U CN221157416U CN 221157416 U CN221157416 U CN 221157416U CN 202322852695 U CN202322852695 U CN 202322852695U CN 221157416 U CN221157416 U CN 221157416U
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- glue
- gear pump
- outlet
- clamping piece
- pipe
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- 239000003292 glue Substances 0.000 title claims abstract description 87
- 210000001503 joint Anatomy 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 238000000576 coating method Methods 0.000 claims abstract description 12
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 31
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010073 coating (rubber) Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 7
- 238000005507 spraying Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000004804 winding Methods 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 2
- 238000000819 phase cycle Methods 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Coating Apparatus (AREA)
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Abstract
The utility model relates to the technical field of glue spraying machines. The glue gun for improving the mixing ratio stability of the bi-component glue comprises a first glue outlet pipe, a second glue outlet pipe and a glue coating pipe, wherein an outlet of the first glue outlet pipe is communicated with an inlet of a first gear pump, and an outlet of the first gear pump is in butt joint and communication with the glue coating pipe through a valve assembly; the outlet of the second rubber outlet pipe is communicated with the inlet of the second gear pump, and the outlet of the second gear pump is in butt joint and communication with the gluing pipe through the valve component; the valve assembly comprises a base and two ejector rods which are arranged side by side, the ejector rods are in sliding connection with the base, and the two ejector rods which are arranged side by side are detachably connected with a piston rod of the air cylinder through a connecting mechanism. According to the utility model, the first gear pump and the second gear pump are additionally arranged at the glue coating pipe, so that the mixing proportion of the two materials at the glue outlet of the gun head is improved.
Description
Technical Field
The utility model relates to the technical field of glue spraying machines, in particular to a glue gun.
Background
The AB glue dispenser is a special machine for dispensing double-component glue, has obvious difference with the common single-liquid glue dispenser, and comprises two charging barrels, wherein the charging barrel A is used for loading the glue, the charging barrel B is used for loading the catalyst, and when the glue A meets the catalyst, the glue starts to solidify. Secondly, the glue is automatically mixed by a machine and used for dispensing products with relatively large production capacity, and the AB material barrels are separated, so that the glue is pumped into the mixing tube by a pump and then the products are subjected to gluing treatment.
In the existing gluing equipment, a gear pump is often arranged near a charging basket, the mixing position of two materials is not provided with the gear pump, the glue outlet amount of glue is controlled only at the glue barrel through the gear pump, a certain risk exists, the accurate ratio of 1:1 of the two materials of the gun head glue outlet cannot be ensured, for example, an automatic gluing device for preparing RO (reverse osmosis) coiled membranes is disclosed in the publication No. CN205495932U, and in the patent, the gear pump is only arranged at the glue barrel.
In addition, the conventional glue valve is easy to leak glue, and the situation that the glue valve leaks frequently happens after the glue valve Guan Bi. There is currently a lack of a glue valve structure that improves the sealing effect.
Disclosure of utility model
Aiming at the problems existing in the prior art, the utility model provides a glue gun for improving the mixing ratio stability of two-component glue, which solves at least one technical problem.
The technical scheme of the utility model is as follows: the glue gun for improving the mixing ratio stability of the bi-component glue comprises a first glue outlet pipe, a second glue outlet pipe and a glue coating pipe, and is characterized in that an outlet of the first glue outlet pipe is communicated with an inlet of a first gear pump, and an outlet of the first gear pump is in butt joint and communication with the glue coating pipe through a valve assembly;
The outlet of the second rubber outlet pipe is communicated with the inlet of the second gear pump, and the outlet of the second gear pump is communicated with the gluing pipe in a butt joint way through the valve component;
The valve assembly comprises a base and two ejector rods arranged side by side, the ejector rods are in sliding connection with the base, and the two ejector rods arranged side by side are detachably connected with a piston rod of the air cylinder through a connecting mechanism;
The end part of the rubber coating tube is provided with a connector, two parallel feeding ports are arranged on the connector, and the feeding ports are provided with sealing rings;
Two diversion channels respectively butted with the two feed inlets are formed in the base, and the two diversion channels are respectively butted and communicated with the outlet of the first gear pump and the outlet of the second gear pump;
And a sealing part for blocking the feed inlet and propping against the sealing ring and a shrinking part for opening a diversion channel corresponding to the butt joint between the feed inlet and the sealing ring are arranged on the two jacking rods in the length direction.
According to the utility model, the first gear pump and the second gear pump are additionally arranged at the glue coating pipe, so that the mixing proportion of the two materials at the glue outlet of the gun head is improved.
In addition, through optimizing the structure of valve subassembly, be convenient for drive the motion of thimble through the cylinder, improved sealed effect, avoid the probability of glue dripping.
Further preferably, the device further comprises a supporting seat, wherein the cylinder is detachably connected to the supporting seat;
the pipe hoop is detachably connected to the supporting seat, a guide sleeve is arranged in the pipe hoop, and the guide sleeve is in sliding connection with a piston rod of the air cylinder.
The stability of the reciprocating motion of the ejector rod is improved conveniently.
Further preferably, the first gear pump and the second gear pump each comprise a rotor, and the rotors are in transmission connection with a rotating shaft of the stepping motor through universal joints;
the stepping motor is detachably mounted on the supporting seat.
The stepping motor is an actuator which is controlled by an electric pulse signal and converts the number and frequency of the pulse signal into corresponding displacement and moving speed respectively. The stepping motor is simple to program, easy to control, high in control precision and relatively low in price. The output displacement of the stepping motor is proportional to the number of input pulses, the rotating speed is proportional to the pulse frequency, and the steering is related to the phase sequence of pulses distributed to each phase winding of the stepping motor. Therefore, the angular displacement, the rotating speed and the steering of the stepping motor can be controlled by only controlling the pulse quantity, the frequency and the energizing sequence of the motor windings.
Further preferably, the connecting mechanism comprises a first clamping piece and a second clamping piece, the first clamping piece and the second clamping piece clamp the ejector rod, and the first clamping piece and the second clamping piece clamp and fix the end part of the piston rod of the cylinder;
The first clamping piece and the second clamping piece are detachably connected through a clamp spring.
Further preferably, an annular groove is formed in the outer wall of a piston rod of the air cylinder;
The first clamping piece and the second clamping piece are provided with protrusions embedded into the annular grooves.
Further preferably, the connecting mechanism comprises a connecting ring, and the connecting ring is provided with a through hole penetrating through the two ejector rods;
A limiting groove for propping against the connecting ring is formed in the first clamping piece and the second clamping piece;
The end part of the ejector rod is propped against the end part of the piston rod of the cylinder.
The stability of the interconnection of the ejector rod and the piston rod of the cylinder is convenient.
Further preferably, the outer diameter of the constriction is smaller than the outer diameter of the sealing portion, and the constriction and the sealing portion are connected by a conical guide portion.
Further preferably, the base is connected with a limit sleeve in a threaded manner, and an auxiliary sealing ring is clamped between the limit sleeve and the base;
And the auxiliary sealing ring and the limiting sleeve are provided with guide holes which are in sliding connection with the ejector rod.
Improving the sealing performance and preventing dripping.
The beneficial effects are that:
according to the utility model, the first gear pump and the second gear pump are additionally arranged at the glue coating pipe, so that the mixing proportion of the two materials at the glue outlet of the gun head is improved.
In addition, through optimizing the structure of valve subassembly, be convenient for drive the motion of thimble through the cylinder, improved sealed effect, avoid the probability of glue dripping.
Drawings
FIG. 1 is a schematic view of a structure of an embodiment 1 of the present utility model;
FIG. 2 is a schematic view of a structure of embodiment 1 of the present utility model;
FIG. 3 is a schematic view showing a partial structure of embodiment 1 of the present utility model;
FIG. 4 is a cross-sectional view of embodiment 1 of the present utility model with the ejector pin opening the feed port;
FIG. 5 is a cross-sectional view of a needle blocking a feed port according to embodiment 1 of the present utility model.
In the figure: 1 is a first rubber outlet pipe, 2 is a second rubber outlet pipe, 3 is a first gear pump, 4 is a second gear pump, 5 is a push rod, 6 is a cylinder, 8 is a sealing ring, 9 is an auxiliary sealing ring, 10 is a first clamping piece, 11 is a pipe hoop, and 12 is a connecting ring.
Detailed Description
Referring to fig. 1 to 5, in a specific embodiment 1, a glue gun for improving the mixing ratio stability of two-component glue comprises a first glue outlet pipe 1, a second glue outlet pipe 2 and a glue coating pipe, wherein an outlet of the first glue outlet pipe 1 is communicated with an inlet of a first gear pump 3, and an outlet of the first gear pump 3 is communicated with the glue coating pipe in a butt joint way through a valve assembly; the outlet of the second rubber outlet pipe 2 is communicated with the inlet of the second gear pump 4, and the outlet of the second gear pump 4 is communicated with the gluing pipe in a butt joint way through a valve assembly; the valve assembly comprises a base and two ejector rods arranged side by side, the ejector rods are in sliding connection with the base, and the two ejector rods arranged side by side are detachably connected with a piston rod of the air cylinder 6 through a connecting mechanism; the end part of the rubber coating tube is provided with a joint, two parallel feed inlets are arranged on the joint, and the feed inlets are provided with sealing rings 8; two diversion channels respectively butted with the two feed inlets are arranged on the base, and the two diversion channels are respectively butted and communicated with the outlet of the first gear pump 3 and the outlet of the second gear pump 4; the two ejector rods are provided with sealing parts which are used for blocking the feed inlet and are propped against the sealing ring 8 in the length direction, and neck parts which are used for opening the corresponding diversion channels formed between the feed inlet and the sealing ring 8 in a butt joint mode. According to the utility model, the first gear pump 3 and the second gear pump 4 are additionally arranged at the glue coating pipe, so that the mixing proportion of two materials at the glue outlet of the gun head is improved. In addition, through optimizing the structure of valve subassembly, be convenient for drive the motion of thimble 5 through cylinder 6, improved sealed effect, avoid the probability of glue dripping. The first rubber outlet pipe 1 is in butt joint and conduction with the first charging basket through a third gear pump. The second rubber outlet pipe 2 is in butt joint and conduction with the second rubber barrel through a fourth gear pump. A gear pump is conventionally provided only at the bowl. The utility model increases the number of gear pumps and improves the mixing effect.
The device also comprises a supporting seat, and the supporting seat is detachably connected with an air cylinder 6; the support seat is detachably connected with a pipe hoop 11, a guide sleeve is arranged in the pipe hoop 11, and the guide sleeve is in sliding connection with a piston rod of the air cylinder 6. The stability of the reciprocating motion of the ejector rod is improved conveniently.
The first gear pump and the second gear pump comprise rotors which are in transmission connection with a rotating shaft of the stepping motor through universal joints; the stepping motor is detachably arranged on the supporting seat. The stepping motor is an actuator which is controlled by an electric pulse signal and converts the number and frequency of the pulse signal into corresponding displacement and moving speed respectively. The stepping motor is simple to program, easy to control, high in control precision and relatively low in price. The output displacement of the stepping motor is proportional to the number of input pulses, the rotating speed is proportional to the pulse frequency, and the steering is related to the phase sequence of pulses distributed to each phase winding of the stepping motor. Therefore, the angular displacement, the rotating speed and the steering of the stepping motor can be controlled by only controlling the pulse quantity, the frequency and the energizing sequence of the motor windings.
The connecting mechanism comprises a first clamping piece 10 and a second clamping piece, the first clamping piece 10 and the second clamping piece clamp the ejector rod, and the first clamping piece 10 and the second clamping piece clamp the end part of the piston rod of the fixed cylinder 6; the first clamping piece 10 and the second clamping piece are detachably connected through a clamping spring.
An annular groove is formed in the outer wall of a piston rod of the air cylinder 6; the first clamping member 10 and the second clamping member are provided with protrusions which are fitted into the annular grooves.
The connecting mechanism comprises a connecting ring 12, and a through hole penetrating through the two ejector rods is formed in the connecting ring 12; the first clamping piece 10 and the second clamping piece are internally provided with limiting grooves for propping against the connecting ring 12; the end of the ejector rod is propped against the end of the piston rod of the cylinder 6. The stability of the interconnection of the ejector rod and the piston rod of the cylinder 6 is facilitated.
The outer diameter of the necking part is smaller than that of the sealing part, and the necking part is connected with the sealing part through a conical guiding part.
The base is connected with a limit sleeve in a threaded manner, and an auxiliary sealing ring 9 is clamped between the limit sleeve and the base; the auxiliary sealing ring 9 and the limiting sleeve are provided with guide holes which are connected with the ejector rod in a sliding way. Improving the sealing performance and preventing dripping. The auxiliary sealing ring is in sliding connection with the end part of the necking part of the thimble, which is far away from the sealing part.
Embodiment 2. On the basis of embodiment 1, a pressure sensor is installed between the first outlet pipe and the first gear pump. A pressure sensor is arranged between the second rubber outlet pipe and the first gear pump. The airflow channel is provided with a pressure sensor.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (8)
1. The glue gun for improving the mixing ratio stability of the bi-component glue comprises a first glue outlet pipe, a second glue outlet pipe and a glue coating pipe, and is characterized in that an outlet of the first glue outlet pipe is communicated with an inlet of a first gear pump, and an outlet of the first gear pump is in butt joint and communication with the glue coating pipe through a valve assembly;
The outlet of the second rubber outlet pipe is communicated with the inlet of the second gear pump, and the outlet of the second gear pump is communicated with the gluing pipe in a butt joint way through the valve component;
The valve assembly comprises a base and two ejector rods arranged side by side, the ejector rods are in sliding connection with the base, and the two ejector rods arranged side by side are detachably connected with a piston rod of the air cylinder through a connecting mechanism;
The end part of the rubber coating tube is provided with a connector, two parallel feeding ports are arranged on the connector, and the feeding ports are provided with sealing rings;
Two diversion channels respectively butted with the two feed inlets are formed in the base, and the two diversion channels are respectively butted and communicated with the outlet of the first gear pump and the outlet of the second gear pump;
And a sealing part for blocking the feed inlet and propping against the sealing ring and a shrinking part for opening a diversion channel corresponding to the butt joint between the feed inlet and the sealing ring are arranged on the two jacking rods in the length direction.
2. The glue gun for improving the mixing ratio stability of the two-component glue according to claim 1, wherein the glue gun is characterized in that: the air cylinder is detachably connected to the support seat;
the pipe hoop is detachably connected to the supporting seat, a guide sleeve is arranged in the pipe hoop, and the guide sleeve is in sliding connection with a piston rod of the air cylinder.
3. The glue gun for improving the mixing ratio stability of the two-component glue according to claim 2, wherein the glue gun is characterized in that: the first gear pump and the second gear pump comprise rotors, and the rotors are in transmission connection with a rotating shaft of the stepping motor through universal joints;
the stepping motor is detachably mounted on the supporting seat.
4. The glue gun for improving the mixing ratio stability of the two-component glue according to claim 1, wherein the glue gun is characterized in that: the connecting mechanism comprises a first clamping piece and a second clamping piece, the first clamping piece and the second clamping piece clamp the ejector rod, and the first clamping piece and the second clamping piece clamp and fix the end part of the piston rod of the cylinder;
The first clamping piece and the second clamping piece are detachably connected through a clamp spring.
5. The glue gun for improving the mixing ratio stability of the two-component glue according to claim 4, wherein the glue gun is characterized in that: an annular groove is formed in the outer wall of a piston rod of the air cylinder;
The first clamping piece and the second clamping piece are provided with protrusions embedded into the annular grooves.
6. The glue gun for improving the mixing ratio stability of the two-component glue according to claim 4, wherein the glue gun is characterized in that: the connecting mechanism comprises a connecting ring, and a through hole penetrating through the two ejector rods is formed in the connecting ring;
A limiting groove for propping against the connecting ring is formed in the first clamping piece and the second clamping piece;
The end part of the ejector rod is propped against the end part of the piston rod of the cylinder.
7. The glue gun for improving the mixing ratio stability of the two-component glue according to claim 1, wherein the glue gun is characterized in that: the outer diameter of the necking part is smaller than that of the sealing part, and the necking part is connected with the sealing part through a conical guide part.
8. The glue gun for improving the mixing ratio stability of the two-component glue according to claim 1, wherein the glue gun is characterized in that: the base is connected with a limit sleeve in a threaded manner, and an auxiliary sealing ring is clamped between the limit sleeve and the base;
And the auxiliary sealing ring and the limiting sleeve are provided with guide holes which are in sliding connection with the ejector rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322852695.3U CN221157416U (en) | 2023-10-24 | 2023-10-24 | Glue gun for improving mixing ratio stability of two-component glue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322852695.3U CN221157416U (en) | 2023-10-24 | 2023-10-24 | Glue gun for improving mixing ratio stability of two-component glue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221157416U true CN221157416U (en) | 2024-06-18 |
Family
ID=91444977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322852695.3U Active CN221157416U (en) | 2023-10-24 | 2023-10-24 | Glue gun for improving mixing ratio stability of two-component glue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221157416U (en) |
-
2023
- 2023-10-24 CN CN202322852695.3U patent/CN221157416U/en active Active
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