CN117505192A - Glue injection device convenient to control - Google Patents
Glue injection device convenient to control Download PDFInfo
- Publication number
- CN117505192A CN117505192A CN202311676622.1A CN202311676622A CN117505192A CN 117505192 A CN117505192 A CN 117505192A CN 202311676622 A CN202311676622 A CN 202311676622A CN 117505192 A CN117505192 A CN 117505192A
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- CN
- China
- Prior art keywords
- chamber
- glue
- port
- channel
- switching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003292 glue Substances 0.000 title claims abstract description 125
- 238000002347 injection Methods 0.000 title claims abstract description 58
- 239000007924 injection Substances 0.000 title claims abstract description 58
- 239000000243 solution Substances 0.000 claims description 20
- 230000008859 change Effects 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims 1
- 230000007423 decrease Effects 0.000 description 4
- 239000000084 colloidal system Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
- B05C11/1026—Valves
Landscapes
- Coating Apparatus (AREA)
Abstract
The invention relates to the technical field of glue injection equipment, in particular to a glue injection device convenient to control, which comprises a cylinder body, a piston arranged in the inner cavity of the cylinder body, and a switching valve arranged at one end of the cylinder body. According to the invention, the switching channel and the switching valve for controlling the glue flow direction are arranged outside the inner cavity of the cylinder body, so that the structure and the movement mode of the piston are simplified, the control difficulty of the switching valve can be reduced, the precision of glue injection control is improved, and the reliability of glue injection work is further improved.
Description
Technical Field
The invention relates to the technical field of glue injection equipment, in particular to a glue injection device convenient to control.
Background
The glue injection valve of the existing glue injection equipment usually adopts a piston type injection valve, and the glue supply and the glue injection are respectively realized by the reverse movement of a piston, so that the glue injection is discontinuous, and the glue injection efficiency is low.
There are injection valves for supplying glue continuously in the market, two-way channels are arranged on the piston to communicate with the cavities at two sides of the piston, and the flowing direction of the glue is controlled and regulated by the movement of the piston rod relative to the piston, so that continuous glue supply is realized. However, in order to control the effect of injecting glue, the flow rate of the glue supply is usually not too large, so the injection valve of the glue injection device is generally smaller, the structure of the piston is very complex due to the structure, and the matching part of the piston and the piston rod is arranged in the invisible cylinder body, so that the control difficulty is high and the implementation is difficult.
Disclosure of Invention
The invention aims to provide the glue injection device which is convenient to control, simplifies the structure of a piston, is convenient to control the flow direction of glue solution and has high control precision.
In order to achieve the above purpose, the technical scheme of the invention is as follows: the utility model provides a glue injection device convenient to control, includes the cylinder body, sets up at the piston of cylinder body inner chamber and sets up the diverter valve in cylinder body one end, this glue injection device still is equipped with injecting glue passageway, supplies gluey passageway and diverter channel, the piston will the cylinder body inner chamber is divided into first cavity and second cavity, just cylinder body and the relative motion of piston makes the volume of first cavity and second cavity increase or reduce, the second cavity communicate in injecting glue passageway, the diverter valve core of diverter valve sets up in the diverter channel, first cavity through the action of diverter valve core is selectively communicated in second cavity or in supply gluey passageway;
when the volume of the first chamber is increased, the volume of the second chamber is reduced, the switching valve enables the first chamber to be communicated with the glue supply channel to realize glue supply, and glue solution of the second chamber is extruded to the glue injection channel to realize glue injection;
when the volume of the first chamber is reduced, the volume of the second chamber is increased, the volume change value of the first chamber is larger than that of the second chamber, the first chamber is communicated with the second chamber, the glue solution of the first chamber is discharged to the second chamber through the switching channel, one part of the glue solution is reserved in the second chamber to supply glue to the second chamber, and the other part of the glue solution flows to the glue injection channel to realize glue injection.
Further, still include the piston rod, the first end fixed connection of piston rod in the piston, the piston rod is equipped with central blind hole and side direction through-hole, the central blind hole is followed the axial extension of piston rod and its hole bottom part are located the first end of piston rod, the side direction through-hole is located the hole bottom of central blind hole and with the central blind hole intercommunication, when the volume of second cavity reduces, glue solution in the second cavity is extruded through the side direction through-hole to the central blind hole, thereby the central blind hole forms a part of injecting glue passageway, the side direction through-hole forms the entry of injecting glue passageway.
Further, one end of the switching channel is located at one end of the first chamber far away from the second chamber, the other end of the switching channel is located at one end of the second chamber far away from the first chamber, the end of the glue supply channel is located at the middle of the switching channel, the joint of the glue supply channel and the switching channel forms a three-way part, the three-way part comprises a first port communicated with the first chamber, a second port communicated with the second chamber and a third port communicated with the glue supply channel, and the switching valve core of the switching valve enables the first port to be selectively communicated with the second port or the third port, so that the first chamber is selectively communicated with the second chamber or the glue supply channel.
Further, the switching valve further comprises a valve body arranged outside the cylinder body, the switching valve core is provided with a switching hole, the switching valve core rotates under the driving of the valve body, one end of the switching hole is always communicated with the first port, and the other end of the switching hole is communicated with the second port or the third port along with the rotation of the switching valve core, so that the first port is selectively communicated with the second port or the third port.
Further, the tee bend portion is the logical groove of cross section for T style of calligraphy, and it includes horizontal logical groove and the vertical logical groove of mutually perpendicular, and the both ends of horizontal logical groove form respectively the second port with the third port, the tip in vertical logical groove forms first port, the switching hole passes through the switching case rotates 180 and realizes this switching hole intercommunication in second port or third port.
Further, the device also comprises a frame, the piston is fixedly connected with the piston rod, the piston rod is fixedly arranged on the frame, a cylinder driving mechanism is further arranged on the frame, and the cylinder driving mechanism is connected with the cylinder and drives the cylinder to axially translate along the piston rod, so that the volume of the first chamber and the volume of the second chamber are increased or reduced.
Further, the cross-sectional area ratio of the first chamber to the second chamber is 2:1.
The invention has the beneficial effects that:
1. according to the invention, the switching channel and the switching valve for controlling the glue flow direction are arranged outside the inner cavity of the cylinder body, so that the structure and the movement mode of the piston are simplified, the control difficulty of the switching valve can be reduced, the precision of glue injection control is improved, and the reliability of glue injection work is further improved.
2. The volume change of the first chamber and the second chamber is realized through the axial translation of the cylinder body along the piston rod, and one of the first chamber and the second chamber is in a state that the volume is reduced and colloid is extruded no matter the cylinder body is in forward translation or reverse translation, so that uninterrupted glue injection is realized.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is a top view of an embodiment of the present invention.
Fig. 3 is a perspective view of a piston rod according to an embodiment of the present invention.
Fig. 4 is a cross-sectional view A-A of fig. 2.
Fig. 5 is a sectional view of the first chamber in the increased volume state according to the embodiment of the present invention.
Fig. 6 is a sectional view of the first chamber in a reduced volume state according to the embodiment of the present invention.
Wherein: the device comprises a cylinder body 1, a piston assembly 2, a piston 21, a piston rod 22, a central blind hole 221, a lateral through hole 222, a switching valve 3, a switching valve core 31, a switching hole 311, a valve body 32, a frame 4, a frame 41 connecting piece, a motor 5, an output shaft 51, a glue supplying connecting piece 6, a slide rail 7 and a slide block 8;
101 first chamber, 102 second chamber, 200 injecting glue passageway, 300 supply gluey passageway, 400 switching channel, 501 first port, 502 second port, 503 third port.
Detailed Description
For further illustration of the various embodiments, the invention is provided with the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments and together with the description, serve to explain the principles of the embodiments. With reference to these matters, one of ordinary skill in the art will understand other possible embodiments and advantages of the present invention. The components in the figures are not drawn to scale and like reference numerals are generally used to designate like components.
Referring to fig. 1-4, the invention discloses a glue injection device convenient to control, which comprises a cylinder body 1, a piston assembly 2 and a switching valve 3 arranged at one end of the cylinder body 1, wherein the piston assembly 2 comprises a piston 21 arranged in the cylinder body 1 and a piston rod 22 penetrating through the side wall of the cylinder body 1, and one end of the piston rod 22 is fixedly connected with the piston 21. The piston 21 divides the inner cavity of the cylinder 1 into a first chamber 101 and a second chamber 102, and the relative movement of the cylinder 1 and the piston 21 causes the volumes of the first chamber 101 and the second chamber 102 to increase or decrease. The glue injection device is further provided with a glue injection channel 200, a glue supply channel 300 and a switching channel 400, wherein the second chamber 102 is communicated with the glue injection channel 200, the switching valve core 31 of the switching valve 3 is arranged in the switching channel 400, and the first chamber 101 is selectively communicated with the second chamber 102 or the glue supply channel 300 through the action of the switching valve 3. The glue injection channel 200 is used for guiding out glue solution of the first chamber 101 and the second chamber 102 in the cylinder body 1 to an outlet of the glue injection channel 200 to realize glue injection, the glue supply channel 300 is used for connecting a glue supply container, the glue solution in the glue supply container is led into an inner cavity of the cylinder body 1 to realize glue supply, and the switching channel 400 is used for being matched with a switching valve to switch the glue solution flow direction of the first chamber 101.
Referring to fig. 1 to 4, the piston rod 22 is disposed in the left-right direction as shown, and has a right end fixedly connected to the piston 21 and a left end fixedly connected to the frame 4 by a frame connecting member 41. The piston rod 22 is provided with a central blind hole 221 and a lateral through hole 222, the central blind hole 221 extends along the axial direction of the piston rod 22 and the bottom of the hole is located at the right end of the piston rod 22, the lateral through hole 222 is located at the bottom of the hole of the central blind hole 221 and is communicated with the central blind hole 221, when the volume of the second chamber 102 is reduced, the glue solution in the second chamber 102 is extruded to the central blind hole 221 through the lateral through hole 222, so that the central blind hole 221 forms a part of the glue injection channel 200, and the lateral through hole 222 forms an inlet of the glue injection channel 200. The frame connector 41 is provided with a through hole, and the through hole of the frame connector 41 forms an outlet of the glue injection passage 200.
Referring to fig. 4, one end of the switching passage 400 is located at one end of the first chamber 101 away from the second chamber 102, and the other end of the switching passage 400 is located at one end of the second chamber 102 away from the first chamber 101, so that the switching passage 400 communicates the first chamber 101 and the second chamber 102, and thus the glue solution can flow between the first chamber 101 and the second chamber 102. The end of the glue supply channel 300 is located in the middle of the switching channel 400, a three-way part is formed at the joint of the glue supply channel 300 and the switching channel 400, the three-way part is a through groove with a T-shaped cross section, the three-way part comprises a transverse through groove and a longitudinal through groove which are perpendicular to each other, a first through hole 501 is formed at the end of the longitudinal through groove, a second through hole 502 and a third through hole 503 are respectively formed at two ends of the transverse through groove, the first through hole 501 is communicated with the first cavity, the second through hole 502 is communicated with the second cavity, and the third through hole 503 is communicated with the glue supply channel 300. The switching valve 3 further includes a valve body 32 disposed outside the cylinder 1, the valve body is used for driving the switching valve core 31 to rotate, the switching valve core 31 is provided with an L-shaped switching hole 311, when the switching valve core 31 rotates around the axial direction of the first through hole 501 under the driving of the valve body 32, one end of the switching hole 311 is always communicated with the first through hole 501, and the other end of the switching hole 311 is communicated with the second through hole 502 or the third through hole 503 along with the rotation of the switching valve core 31. In this example, the second port 502 and the third port 503 are coaxial, so that the first port 501 can be selectively communicated with the second port 502 or the third port 503 by rotating the switching valve core by 180 degrees, thereby realizing that the first chamber 101 selectively communicates with the second chamber 102 or the glue supply channel 300.
Referring to fig. 4, the cylinder 1 and the frame 4 are connected by a cylinder driving mechanism, and translate along the axial direction of the piston rod 22 under the driving of the cylinder driving mechanism to form the relative movement of the cylinder 1 and the piston assembly, thereby realizing the volume increase or decrease of the first chamber 101 and the second chamber 102. In this example, the cylinder driving mechanism includes a motor 5, an output shaft 511 of the motor 51 is fixedly connected with the glue supplying connector 6, and the output shaft 51 of the motor 5 outputs power in a manner of translating along an axial direction thereof. The glue supply connecting piece 6 is fixedly connected with the cylinder body 1 and the valve body 32 of the switching valve 3, so that the translation of the output shaft 51 of the motor 5 can drive the cylinder body 1, the glue supply connecting piece 6 and the switching valve 3 to translate. In order to stabilize the movement of the cylinder 1, a slide rail 7 and a slide block 8 are provided between the middle of the cylinder 1 and the frame 4, the slide rail 7 is fixed on the frame 4, and the slide block 8 is fixedly connected to the cylinder 1, thereby moving the cylinder 1 along the extending direction of the slide rail 7. The axial direction of the piston rod, the axial direction of the motor output shaft and the extending direction of the sliding rail are parallel.
The glue supply connecting piece 6 is internally provided with an L-shaped hole, one end of the glue supply connecting piece 6 through the L-shaped hole is connected with the glue supply container, the glue supply connecting piece 6 is also connected with the switching channel 400 through the other end of the L-shaped hole, and therefore the L-shaped hole forms a part of the glue supply channel 300.
In order to ensure stable injection quantity of the cylinder 1, the cylinder 1 should be controlled to move at a relatively uniform speed, and the volume change of the first chamber 101 should be equal to twice the volume change of the second chamber 102 during the movement of the cylinder 1 because a part of colloid remains in the second chamber 102 to fill the increased volume of the second chamber 102 when the volume of the first chamber 101 is reduced. Finally, the inner cavity of the cylinder 1 is a cylindrical cavity, i.e. the cross section of the inner cavity at any position along the axial direction of the cylinder 1 is unchanged, and in order to realize the relationship of twice the volume change amount, the cross sectional area of the first chamber 101 should be equal to twice the cross sectional area of the second chamber 102, i.e. the cross sectional area ratio of the first chamber 101 to the second chamber 102 is 2:1.
The working process of the invention is as follows:
referring to fig. 5, in the illustrated direction, the cylinder 1 is driven by the motor 5 to move rightward, the volume of the first chamber 101 increases, the volume of the second chamber 102 decreases, the switching valve core 31 rotates to make the switching hole 311 face to the right, so that the first chamber 101 is communicated with the glue supply channel 300 to supply glue, and meanwhile, the glue solution of the second chamber 102 is extruded to the glue injection channel 200 through the lateral through hole 222 due to the decrease in the volume of the second chamber 102, so that glue injection is realized.
Referring to fig. 6, in the illustrated direction, the cylinder 1 is driven by the motor 5 to move leftwards, the volume of the first chamber 101 is reduced, the volume of the second chamber 102 is increased, the volume change value of the first chamber 101 is larger than that of the second chamber 102, the switching valve core 31 rotates to enable the switching hole 311 to face to the left, the first chamber 101 is communicated with the second chamber 102 through the switching channel 400, glue solution in the first chamber 101 is discharged to the second chamber 102 through the switching channel 400, one part of the glue solution fills the increased volume of the second chamber 102 to supply glue to the second chamber 102, and the other part of the glue solution flows to the glue injection channel 200 through the lateral through hole 222 to realize glue injection.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that the remaining non-illustrated portions are prior art and that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. The glue injection device is characterized by comprising a cylinder body, a piston arranged in an inner cavity of the cylinder body, and a switching valve arranged at one end of the cylinder body, wherein the glue injection device is further provided with a glue injection channel, a glue supply channel and a switching channel, the inner cavity of the cylinder body is divided into a first cavity and a second cavity by the piston, the volume of the first cavity and the volume of the second cavity are increased or reduced by the relative movement of the cylinder body and the piston, the second cavity is communicated with the glue injection channel, a switching valve core of the switching valve is arranged in the switching channel, and the first cavity is selectively communicated with the second cavity or the glue supply channel through the action of the switching valve core;
when the volume of the first chamber is increased, the volume of the second chamber is reduced, the switching valve enables the first chamber to be communicated with the glue supply channel to realize glue supply, and glue solution of the second chamber is extruded to the glue injection channel to realize glue injection;
when the volume of the first chamber is reduced, the volume of the second chamber is increased, the volume change value of the first chamber is larger than that of the second chamber, the first chamber is communicated with the second chamber, the glue solution of the first chamber is discharged to the second chamber through the switching channel, one part of the glue solution is reserved in the second chamber to supply glue to the second chamber, and the other part of the glue solution flows to the glue injection channel to realize glue injection.
2. The glue injection device of claim 1, further comprising a piston rod, wherein the first end of the piston rod is fixedly connected to the piston, the piston rod is provided with a central blind hole and a lateral through hole, the central blind hole extends along the axial direction of the piston rod and has a bottom at the first end of the piston rod, the lateral through hole is located at the bottom of the central blind hole and is communicated with the central blind hole, and when the volume of the second chamber is reduced, glue solution in the second chamber is extruded into the central blind hole through the lateral through hole, so that the central blind hole forms a part of the glue injection channel, and the lateral through hole forms an inlet of the glue injection channel.
3. The glue injection device according to claim 1, wherein one end of the switching channel is located at one end of the first chamber away from the second chamber, the other end of the switching channel is located at one end of the second chamber away from the first chamber, the end of the glue supply channel is located in the middle of the switching channel, and a three-way portion is formed at the joint of the glue supply channel and the switching channel, and the three-way portion includes a first port communicated with the first chamber, a second port communicated with the second chamber, and a third port communicated with the glue supply channel, and the switching valve core of the switching valve enables the first port to be selectively communicated with the second port or the third port, so that the first chamber is selectively communicated with the second chamber or the glue supply channel.
4. A glue injection device convenient to control according to claim 3, wherein the switching valve further comprises a valve body arranged outside the cylinder body, the switching valve core is provided with a switching hole, the switching valve core is driven by the valve body to rotate, one end of the switching hole is always communicated with the first port, and the other end of the switching hole is communicated with the second port or the third port along with the rotation of the switching valve core, so that the first port is selectively communicated with the second port or the third port.
5. The glue injection device convenient to control according to claim 4, wherein the tee joint part is a through groove with a T-shaped cross section, the tee joint part comprises a transverse through groove and a longitudinal through groove which are perpendicular to each other, the two ends of the transverse through groove are respectively provided with the second port and the third port, the end part of the longitudinal through groove is provided with the first port, and the switching hole is communicated with the second port or the third port by rotating the switching valve core by 180 degrees.
6. The glue injection device convenient to control according to claim 1, further comprising a frame, wherein the piston is fixedly connected to a piston rod, the piston rod is fixedly arranged on the frame, a cylinder driving mechanism is further arranged on the frame, and the cylinder driving mechanism is connected with a cylinder and drives the cylinder to axially translate along the piston rod, so that the volume of the first chamber and the volume of the second chamber are increased or decreased.
7. A glue injection apparatus according to claim 1, wherein the cross-sectional area ratio of the first chamber to the second chamber is 2:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311676622.1A CN117505192A (en) | 2023-12-07 | 2023-12-07 | Glue injection device convenient to control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311676622.1A CN117505192A (en) | 2023-12-07 | 2023-12-07 | Glue injection device convenient to control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117505192A true CN117505192A (en) | 2024-02-06 |
Family
ID=89756762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311676622.1A Pending CN117505192A (en) | 2023-12-07 | 2023-12-07 | Glue injection device convenient to control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117505192A (en) |
-
2023
- 2023-12-07 CN CN202311676622.1A patent/CN117505192A/en active Pending
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