CN210505558U - Rubber jar - Google Patents
Rubber jar Download PDFInfo
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- CN210505558U CN210505558U CN201921037457.4U CN201921037457U CN210505558U CN 210505558 U CN210505558 U CN 210505558U CN 201921037457 U CN201921037457 U CN 201921037457U CN 210505558 U CN210505558 U CN 210505558U
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Abstract
The utility model relates to a rubber cylinder, which comprises a cylinder body of the rubber cylinder and a rubber inlet channel for feeding rubber into the cylinder body, wherein the rubber inlet channel comprises an air-vent valve and a back pressure valve, the air-vent valve is arranged at the front end of the rubber inlet channel, the back pressure valve is arranged at the rear end of the air-vent valve, the air-vent valve has a first pressure threshold value, and the pressure of the rubber water in the rubber inlet channel is released at the air-vent valve when the pressure of the rubber water is greater than the first; the back pressure valve is provided with a second pressure threshold value, and the back pressure valve is opened when the pressure of the glue water in the glue inlet channel is greater than the second pressure threshold value; the cylinder body includes body and lid, and the lid middle part is equipped with the trompil, and the trompil supplies to advance gluey passageway and inserts to this internal entering glue to advance to be equipped with first sealing washer between gluey passageway and the trompil, the lid is equipped with the hole of glue leakage observation on the lateral wall of trompil corresponding the position of first sealing washer. According to the new gluey jar of this application advances gluey control structure, eliminates the influence of level sensor to gluey jar interior glue quality through having cancelled the level sensor among the traditional gluey jar.
Description
Technical Field
The utility model relates to a injecting glue device field, especially a glue jar.
Background
In the glue cylinder of the glue injection machine in the prior art, a field sensor is generally arranged in the glue cylinder to control the glue feeding amount into the glue cylinder, and a plurality of liquid level sensors with different heights are also arranged in the glue cylinder, so that not only can sufficient glue be stored in the glue cylinder be ensured, but also the glue cylinder can be prevented from being exploded due to excessive glue water in the glue cylinder, but the liquid level sensor abnormally misreports the liquid level height in the cylinder due to the fact that the working environment in the glue cylinder is severe and the ammonia water contained in the aqueous glue has corrosivity and corrodes the liquid level sensor; and the liquid level sensor works with points, and under the combined action of ammonia water, glue at the position of the liquid level probe is easy to condense to generate granular foreign matters, so that the glue injection quality of the glue injection machine is influenced.
Disclosure of Invention
The utility model aims to solve the technical problem, provide a glue cylinder, provide a new glue cylinder and advance gluey control structure, eliminated the influence of level sensor to the gluey jar internal glue quality through the level sensor who has cancelled in the traditional glue cylinder.
In order to achieve the above purpose, the technical scheme of the utility model has:
a glue cylinder comprises a cylinder body of the glue cylinder and a glue inlet channel for feeding glue into the cylinder body, wherein the glue inlet channel comprises a pressure regulating valve and a back pressure valve, the pressure regulating valve is arranged at the front end of the glue inlet channel, the back pressure valve is arranged at the rear end of the pressure regulating valve, the pressure regulating valve is provided with a first pressure threshold, and when the glue pressure in the glue inlet channel is greater than the first pressure threshold, the pressure is released at the pressure regulating valve; the back pressure valve is provided with a second pressure threshold value, and the back pressure valve is opened when the pressure of the glue water in the glue inlet channel is greater than the second pressure threshold value; the cylinder body includes body and lid, the lid middle part is equipped with the trompil, the trompil supplies advance gluey passageway and insert to this internal entering glue to advance gluey passageway with be equipped with first sealing washer between the trompil, the lid is equipped with the hole of observing that leaks gluey on the lateral wall of trompil corresponding the position of first sealing washer.
According to the glue cylinder, a liquid level sensor commonly used in the existing glue cylinder is omitted, the glue is controlled to flow into the glue cylinder by adopting a mechanical structure, the phenomenon that the glue is condensed into particles at a liquid level probe under the combined action of the liquid level sensor and ammonia water to influence the quality of the glue in the glue cylinder is avoided, the reliability of an electronic component of the mechanical structure relative to the liquid level sensor is higher, and the glue cylinder can be better prevented from being exploded; the pressure regulating valve regulates the highest pressure in the glue inlet channel, namely the glue pressure in the glue inlet channel exceeds a first pressure threshold of the pressure regulating valve, namely the pressure is relieved at the pressure regulating valve, so that the pressurized water pressure is less than or equal to the first pressure threshold; the back pressure valve adjusts the lowest pressure in the glue inlet channel, the glue pressure in the glue inlet channel exceeds a second pressure threshold value of the back pressure valve, and the back pressure valve can be opened to enable the glue to flow into the glue cylinder; make the cylinder body keep sealed with advancing gluey passageway through first sealing washer, place the glue leakage in the cylinder body, and set up in the trompil and leak gluey observation hole, when first sealing washer became invalid, glue can flow out from leaking gluey observation hole earlier, and maintainer can know clearly that first sealing washer has become invalid, is convenient for in time maintain the jar of gluing, avoids glue to flow into the gluey passageway on cylinder body upper portion backward, corrodes and advance the part in the gluey passageway with bad.
Further, it still includes rotary joint to advance gluey passageway, rotary joint includes installation cover, axle subassembly, installation lid and bearing, installation cover and installation lid fixed connection and integral erection are in on the lid, the bearing is installed in the installation cover, the inside cavity of axle subassembly to should pass installation lid, installation cover and lid and advance gluey to this internal. The rotary joint is used for communicating air-vent valve and back pressure valve, and the inside cavity of axle subassembly supplies the glue circulation, and the axle subassembly is rotating to advance gluey in the cylinder body, sees through leaking to glue the observation hole and when having the hourglass gluey phenomenon, is convenient for in time maintain the gluey jar, avoids glue to corrode and destroys the bearing of top, makes rotary joint damage.
Still further, the cylinder body adopts the stainless steel preparation of resistant aqueous ammonia corruption, the axle subassembly includes primary shaft and secondary shaft, primary shaft and secondary shaft fixed connection, the secondary shaft inserts in the lid, this secondary shaft surface adopts degree ceramic technology to handle. The cylinder body is made of stainless steel capable of resisting ammonia corrosion, such as stainless steel 304, 306, 316 and other stainless steel capable of resisting ammonia corrosion, the shaft assembly is arranged in a split mode in order to prevent the shaft assembly from being excessively abraded with the cylinder body made of stainless steel in the rotating process, meanwhile, in order to reduce the manufacturing cost of the shaft assembly, the surface of a part of a second shaft which can be in contact with the cylinder body is processed by adopting a ceramic process, so that the second shaft is more wear-resistant and smooth in surface, and the service life of the shaft assembly is prolonged.
Preferably, a cavity for mounting the bearing is formed in the mounting sleeve, at least two bearings are arranged and respectively close to the mounting cover and the cover body, and the first shaft penetrates through the bearing and is fixedly connected with the second shaft. The bearing sets up a plurality ofly for the axle subassembly rotates more stably.
Preferably, the position of the glue leakage observation hole is arranged below the bearing. Avoid corroding when glue leaks and destroy the bearing.
Preferably, the filter cartridge assembly is fixed on the cover body at a position corresponding to the opening. Avoid containing the particulate matter in the glue that flows into in the jar, improve the quality of glue.
Preferably, the filter screen of the filter cylinder assembly is a 100-mesh or more than 100-mesh filter screen.
Further, the cylinder body is a pressure container subjected to internal pressure, and the cylinder body has a designed rated pressure-bearing threshold value which is larger than the first pressure threshold value.
Preferably, the sealing device further comprises a second sealing ring, and the second sealing ring is installed between the body and the cover body.
Drawings
Fig. 1 is a sectional view of the glue cylinder of the present invention;
fig. 2 is a cross-sectional view of the cover of the present invention;
fig. 3 is a perspective view of the first shaft of the present invention;
fig. 4 is a perspective view of a second shaft of the present invention;
fig. 5 is a cross-sectional view of the shaft assembly of the present invention.
Detailed Description
The glue injection device of the utility model is described with the attached drawings.
As shown in fig. 1 to 5, a glue cylinder (a part of glue channel is not shown, and includes a back pressure valve and a pressure regulating valve), which includes a glue cylinder and a glue inlet channel for feeding glue into the cylinder 1, wherein the cylinder 1 includes a body 11 and a cover 12, the body 11 and the cover 12 are fixedly connected, the cover 12 is provided with an opening 121 at the middle portion, the opening 121 is used for inserting the glue inlet channel into the body 11 for feeding glue, according to the use environment of the cylinder 1, a long time of glue storage is required, for corrosive ammonia water contained in the aqueous glue, the cylinder 1 needs to be made of a suitable corrosion-resistant material, preferably, the cylinder 1 is made of stainless steel resistant to corrosion of ammonia water, such as stainless steel 304, 306, 316 and the like, which can resist corrosion of ammonia water, and the cylinder 1 can be designed as a pressure vessel which is subject to internal pressure, and a rated pressure-bearing threshold value required by the glue cylinder is selected according to a pressure value required by a glue injection process, the cylinder body 1 with reasonable wall thickness is designed to store glue.
In order to avoid cylinder explosion, a control structure is required to be designed to control the amount of glue flowing into a glue cylinder, and the traditional method for controlling the liquid level in the glue cylinder through a liquid level sensor has a plurality of defects, but the application provides a mechanical control structure and a control method, the specific control structure comprises a pressure regulating valve and a back pressure valve which are arranged in a glue inlet channel, the pressure regulating valve is arranged at the front end of the glue inlet channel, the back pressure valve is arranged at the rear end of the pressure regulating valve, the pressure regulating valve has a first pressure threshold, and when the glue pressure in the glue inlet channel is greater than the first pressure threshold, the pressure is released at the pressure regulating valve; the back pressure valve is provided with a second pressure threshold value, and the back pressure valve is opened when the pressure of the glue water in the glue inlet channel is greater than the second pressure threshold value; if the nominal bearing threshold value is greater than the first pressure threshold value, then it must also be greater than the second pressure threshold value.
In order to facilitate observing whether the cylinder body 1 leaks, a first sealing ring 14 is arranged between the glue inlet channel and the opening 121, and a glue leakage observation hole 122 is arranged on the side wall of the opening 121 of the cover body 12 corresponding to the first sealing ring 14. As shown in fig. 2, a first sealing groove 123 for installing the first sealing ring 14 is provided in the opening of the cover 12, the glue leakage observing hole 122 is provided at an upper region of the first sealing groove 123, when glue leakage occurs due to breakage of the first sealing ring 14, and the glue leakage phenomenon is observed through the glue leakage observing hole 122, which is convenient for maintaining the glue cylinder in time. The lower surface of the cover body 12 is provided with a screw hole 125 for fixing the filter cartridge assembly, the filter cartridge assembly is fixed on the cover body 12 through a bolt, the filter cartridge assembly is fixed on the cover body 12 corresponding to the position of the opening 121, and the glue flowing into the glue cylinder is firstly filtered through the filter cartridge assembly, so that the glue is internally provided with particles which can not flow into the glue cylinder, and the quality of the glue is improved. Preferably, the filter screen of the filter cylinder assembly is a 100-mesh or more than 100-mesh filter screen.
As shown in fig. 2, a second seal groove 126 is further provided on the side surface of the cover 12, and a second seal ring 15 is further included, and the second seal groove 126 is used for mounting the second seal ring 15 to seal between the body 11 and the cover 12.
In order to facilitate the glue feeding, as shown in fig. 3 to 5, the glue feeding channel further includes a rotary joint 2, the rotary joint 2 includes a mounting sleeve 23, a shaft assembly 21, a mounting cover 22, and a bearing 24, the mounting sleeve 23 is fixedly connected with the mounting cover 22 and integrally mounted on the cover body 12, the bearing 24 is mounted in the mounting sleeve 23, the shaft assembly 21 is hollow, and the glue is fed into the body 11 through the mounting cover 22, the mounting sleeve 23, and the cover body 12. The rotary joint 2 is used for communicating the pressure regulating valve and the back pressure valve, glue flows through the hollow inside the shaft assembly 21, the shaft assembly 21 rotates to glue the cylinder body 1, glue leakage is observed through the glue leakage observation hole 122, the glue cylinder is convenient to maintain in time, the bearing 24 above the glue cylinder is prevented from being corroded and damaged, and the rotary joint 2 is damaged.
As shown in fig. 1 and 5, the shaft assembly 21 includes a first shaft 211 and a second shaft 212, the first shaft 211 and the second shaft 212 are fixedly connected by bolts, the second shaft 212 is inserted into the cover 12, and the surface of the second shaft 212 is processed by a ceramic process. The cylinder body 1 is made of stainless steel capable of resisting ammonia corrosion, the shaft assembly 21 is arranged in a split mode in order to prevent the shaft assembly 21 from being excessively abraded with the cylinder body 1 made of the stainless steel in the rotating process, meanwhile, in order to reduce the manufacturing cost of the shaft assembly 21, the shaft assembly 21 is arranged, the surface of a part of the second shaft 212 capable of being in contact with the cylinder body 1 is processed through a ceramic process, the second shaft 212 is made to be more wear-resistant and more smooth in surface, and the service life of the shaft assembly 21 is prolonged.
As shown in fig. 1, a cavity for mounting the bearing 24 is formed in the mounting sleeve 23, at least two bearings 24 are provided and are respectively disposed close to the mounting cover 22 and the cover body 12, and the first shaft 211 passes through the bearing 24 and is fixedly connected with the second shaft 212. The bearings 24 are provided in plurality so that the shaft assembly 21 rotates more stably.
As shown in fig. 1 and 2, a bearing surface 124 for mounting the mounting sleeve 23 is provided on the upper portion of the cover 12, and the mounting sleeve 23 is mounted on the bearing surface 124 such that the position of the glue leakage observation hole 122 is disposed below the bearing 24, thereby preventing corrosion damage to the bearing 24 when glue leaks.
As shown in fig. 5, the shaft assembly 21 is provided with a glue inlet 2111 on the first shaft 211, the glue inlet 2111 is provided with threads, and the shaft assembly further comprises a connector 25, and the connector 25 is used for communicating with other parts in the glue inlet channel, such as a backpressure valve or a fluid pipeline.
A glue feeding method of a glue cylinder is characterized in that a pressure regulating valve and a back pressure valve are sequentially arranged on a glue feeding channel of the glue cylinder;
the glue conveying equipment conveys glue into the glue cylinder through the glue inlet channel;
glue firstly passes through the pressure regulating valve, the pressure regulating valve is provided with a first pressure threshold, the pressure of the glue flowing to the pressure regulating valve is released at the pressure regulating valve when the pressure of the glue is higher than the first pressure threshold, the pressure regulating valve is opened when the pressure of the glue is lower than the first pressure threshold or the pressure of the glue is lower than the first pressure threshold after the pressure is released, and the glue flows to the back pressure valve;
the back pressure valve is provided with a second pressure threshold value, the back pressure valve cannot be opened when the pressure of glue flowing to the back pressure valve is lower than the first pressure threshold value, the back pressure valve is opened when the pressure of the glue at the back pressure valve is higher than the first pressure threshold value, and the pressure of the glue stored in the glue cylinder is controlled to be between the first pressure threshold value and the second pressure threshold value.
And according to the embodiment that the glue cylinder designed aiming at the glue injection process in the production of the easy-open lid is further provided, wherein the designed rated pressure of the glue cylinder is 0.3MPa, the used glue is water-based glue, the rod body material of the glue cylinder is 304 stainless steel, 306 stainless steel or 316 stainless steel, the required wall thickness of the cylinder body is calculated according to the design idea of the pressure container, so that the cylinder body can bear the pressure of 0.3MPa and cannot be exploded, a pressure regulating valve with the pressure relief pressure of 0.25MPa and a back pressure valve with the opening pressure of 0.1MPa are selected, so that the pressure value of the glue flowing into the cylinder body through the glue inlet channel is between 0.1MPa and 0.25MPa and is smaller than the rated pressure of 0.3MPa, the cylinder explosion is avoided, and the glue with the pressure of 0.1MPa to 0.25MPa can meet the requirements of the glue injection process in the production of the.
According to the glue cylinder, a liquid level sensor commonly used in the existing glue cylinder is omitted, the glue is controlled to flow into the glue cylinder by adopting a mechanical structure, the phenomenon that the glue is condensed into particles at a liquid level probe under the combined action of the liquid level sensor and ammonia water to influence the quality of the glue in the glue cylinder is avoided, the reliability of an electronic component of the mechanical structure relative to the liquid level sensor is higher, and the glue cylinder can be better prevented from being exploded; the pressure regulating valve regulates the highest pressure in the glue inlet channel, namely the glue pressure in the glue inlet channel exceeds a first pressure threshold of the pressure regulating valve, namely the pressure is relieved at the pressure regulating valve, so that the pressurized water pressure is less than or equal to the first pressure threshold; the back pressure valve adjusts the lowest pressure in the glue inlet channel, the glue pressure in the glue inlet channel exceeds a second pressure threshold value of the back pressure valve, and the back pressure valve can be opened to enable the glue to flow into the glue cylinder; make the cylinder body keep sealed with advancing gluey passageway through first sealing washer, place the glue leakage in the cylinder body, and set up in the trompil and leak gluey observation hole, when first sealing washer became invalid, glue can flow out from leaking gluey observation hole earlier, and maintainer can know clearly that first sealing washer has become invalid, is convenient for in time maintain the jar of gluing, avoids glue to flow into the gluey passageway on cylinder body upper portion backward, corrodes and advance the part in the gluey passageway with bad.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (9)
1. A rubber cylinder is characterized by comprising a cylinder body of the rubber cylinder and a rubber inlet channel for feeding rubber into the cylinder body, wherein the rubber inlet channel comprises a pressure regulating valve and a back pressure valve, the pressure regulating valve is arranged at the front end of the rubber inlet channel, the back pressure valve is arranged at the rear end of the pressure regulating valve, the pressure regulating valve is provided with a first pressure threshold, and the pressure of the rubber in the rubber inlet channel is released at the pressure regulating valve when the pressure of the rubber is greater than the first pressure threshold; the back pressure valve is provided with a second pressure threshold value, and the back pressure valve is opened when the pressure of the glue water in the glue inlet channel is greater than the second pressure threshold value; the cylinder body includes body and lid, the lid middle part is equipped with the trompil, the trompil supplies advance gluey passageway and insert to this internal entering glue to advance gluey passageway with be equipped with first sealing washer between the trompil, the lid is equipped with the hole of observing that leaks gluey on the lateral wall of trompil corresponding the position of first sealing washer.
2. The glue cylinder of claim 1, wherein the glue inlet channel further comprises a rotary joint, the rotary joint comprises a mounting sleeve, a shaft assembly, a mounting cover and a bearing, the mounting sleeve is fixedly connected with the mounting cover and integrally mounted on the cover body, the bearing is mounted in the mounting sleeve, the shaft assembly is hollow inside, and glue is introduced into the body through the mounting cover, the mounting sleeve and the cover body.
3. The glue vat according to claim 2, wherein the cylinder body is made of stainless steel resistant to ammonia corrosion, the shaft assembly comprises a first shaft and a second shaft, the first shaft and the second shaft are fixedly connected, the second shaft is inserted into the cover body, and the surface of the second shaft is treated by a ceramic process.
4. The glue cylinder of claim 3, wherein a cavity for mounting the bearing is formed in the mounting sleeve, at least two bearings are arranged and respectively close to the mounting cover and the cover body, and the first shaft penetrates through the bearing and is fixedly connected with the second shaft.
5. The glue cylinder of claim 4, wherein the location of the weep sight hole is disposed below the bearing.
6. The glue cylinder of claim 1, further comprising a filter cartridge assembly fixed to the cover at a position corresponding to the opening.
7. The glue vat according to claim 6, wherein the filter screen of the filter cartridge assembly is 100 mesh or more than 100 mesh.
8. The glue cylinder of claim 1 wherein said cylinder is a pressurized vessel having an internal pressure and wherein said cylinder has a design nominal pressure threshold that is greater than said first pressure threshold.
9. The glue cylinder of claim 1, further comprising a second seal ring mounted between the body and the cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921037457.4U CN210505558U (en) | 2019-07-04 | 2019-07-04 | Rubber jar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921037457.4U CN210505558U (en) | 2019-07-04 | 2019-07-04 | Rubber jar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210505558U true CN210505558U (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921037457.4U Active CN210505558U (en) | 2019-07-04 | 2019-07-04 | Rubber jar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210505558U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255484A (en) * | 2019-07-04 | 2019-09-20 | 广东柏华包装股份有限公司 | A kind of glue cylinder and its into gluing method |
-
2019
- 2019-07-04 CN CN201921037457.4U patent/CN210505558U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255484A (en) * | 2019-07-04 | 2019-09-20 | 广东柏华包装股份有限公司 | A kind of glue cylinder and its into gluing method |
| CN110255484B (en) * | 2019-07-04 | 2024-02-20 | 广东柏华包装股份有限公司 | Rubber cylinder and rubber feeding method thereof |
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