Anti-bubble coating machine with double coating heads
By setting up the defoaming components in the laboratory coating machine and utilizing the rubber deformation characteristics of the rubber column, the bubbles in the glue are vibrated, which solves the problem of mixed bubbles of the glue during application and improves the bonding effect.
Patent Information
- Application Number
- CN202421726906.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-22
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-07-22
AI Technical Summary
When using hot melt adhesive in existing laboratory coating machines, there are bubbles that are difficult to eliminate inside the glue, resulting in mixed bubbles of the glue during application, affecting the bonding effect of subsequent bonding.
A bubble-proof double-head coating machine is designed. By setting up a defoaming assembly in the coating machine, the overall shaking of the isolation chamber and the isolation chamber is employed, and the rubber deformation characteristics of the rubber column are combined to make the bubbles in the glue vibrate out, thereby preventing the bubbles from being applied to the object to be applied.
It effectively avoids the problem of glue mixed with bubbles during application, improves the bonding effect during subsequent film application, and ensures close contact between the glue and the bond.
Smart Images

Figure CN222890070U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of coating machines, in particular to an anti-bubble type double-coating head coating machine. Background Art
[0002] The existing laboratory hot melt adhesive coating device pours glue onto the coating roller and limits it with a partition so that the glue falls stably onto the object to be coated. However, during the pre-hot melting process of the glue, there will be bubbles inside that cannot be directly observed by the naked eye, and due to the viscosity of the glue, the bubbles cannot be self-dissolved, so that the bubbles will be directly coated on the object to be coated during coating. Such bubbles cannot be found, but in the subsequent lamination, the bubbles appear due to squeezing, which ultimately makes the adhesion between the object to be laminated and the lamination film weak;
[0003] Publication No. CN213468472U discloses a laboratory patch coating machine, including a base shell, an asbestos board, a heating plate, a heat conducting plate, a coating plate, a scraper base, a driving mechanism, a heating device, a scraper linkage mechanism, a handle rotating block and a handle; the asbestos board is covered and arranged on the top surface of the base shell; the heating plate is arranged on the upper surface of the asbestos board; the heat conducting plate is arranged on the upper surface of the heating plate; the coating plate is arranged on the upper surface of the heat conducting plate; the scraper base is arranged on the upper surface of the base shell; the driving mechanism is transmitted to the scraper connecting seat; the heating device is arranged on the top surface of the coating plate; the scraper linkage mechanism is arranged between the scraper bases on both sides; the handle rotating block is arranged on the outer side of the scraper connecting seat; the handle is arranged on one side of the scraper connecting seat, and the device can electrically or manually adjust the scraper structure to press down, the device has a compact structure, a small volume, and can adjust the downward pressure of the scraper device, and the device is flexible in use, but the patent still has the following problems in actual use:
[0004] Existing laboratory coating machines have basically achieved accurate adjustment of the scraper, but the laboratory hot melt adhesive is used slowly after being poured, resulting in slight solidification and difficulty in spreading. In addition, when the above-mentioned device is spreading the glue, the liquefied glue contains a number of tiny bubbles, which are difficult to eliminate naturally due to the viscosity of the glue, and the bubbles will be spread out together when applying thicker glue, affecting the fit.
[0005] An anti-bubble type double-coating head coater is proposed to solve the above-mentioned problems. Utility Model Content
[0006] The utility model aims to provide an anti-bubble double-head coating machine to solve the problem that the existing laboratory coating machine proposed in the above background technology has basically achieved accurate adjustment of the scraper, but the laboratory hot melt adhesive is consumed slowly after pouring, resulting in slight solidification and difficulty in spreading, and the liquefied glue contains a number of tiny bubbles, which are difficult to eliminate naturally due to the viscosity of the glue, and the bubbles will be spread out together when the thicker glue is applied, which will lead to the appearance of bubbles due to extrusion when the subsequent glue-coated object is filmed, resulting in a cavity between the glue-coated object and the adhered object, affecting the bonding problem.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-bubble type double coating head coating machine, comprising a base, a coating frame is installed in the middle of the base, electric push rods are symmetrically installed on the front and rear sides of the coating frame, a mounting side plate is fixedly installed at the bottom end of the electric push rod, and a clamping plate is fixedly connected to the bottom of the mounting side plate;
[0008] A defoaming assembly is provided between the two electric push rods, and the defoaming assembly includes mounting frames symmetrically arranged on both sides of the electric push rods, the mounting frames are fixedly connected to the glue coating frame, a support plate is fixedly connected between the two mounting frames, a defoaming bin is fixedly connected to the top surface of the support plate, an isolation bin is provided inside the defoaming bin, and an isolation bin is fixedly connected to one side of the isolation bin;
[0009] Wherein, a disassembly and assembly component is arranged on the side of the clamping plate.
[0010] Preferably, a motor is fixedly installed inside the isolation chamber, the output end of the motor extends into the isolation chamber and is fixedly connected to a swivel, the outer side of the swivel is fixedly connected to a weight strip, and the swivel is rotatably connected to the inner wall of the isolation chamber.
[0011] Preferably, the isolation chamber and the isolating chamber are both fixedly connected to a rubber column on one side away from each other, and the rubber column is fixedly connected to the inner wall of the defoaming chamber.
[0012] Preferably, a liquid outlet is provided at the bottom of the defoaming bin, a barrier net is fixedly installed at the top of the liquid outlet, a dumping pocket is fixedly installed at the top of the defoaming bin, a guide channel is fixedly connected to the bottom of the liquid outlet, the guide channel passes through the bottom of the support plate mounting side plate and a limiting side plate is fixedly installed thereon, and the limiting side plate is located between two clamping plates.
[0013] Preferably, the disassembly and assembly assembly comprises through rods symmetrically fixed on both sides of the clamping plate, one end of the through rod away from the clamping plate is fixedly connected with a connector, and the through rod is inserted into a limit plate.
[0014] Preferably, a rotary sleeve is vertically rotatably connected to the middle part of the outer side of the limit plate, and studs are symmetrically threaded and slidably installed on the top and bottom of the rotary sleeve. Plugs are rotatably connected to the ends of the two studs away from the rotary sleeve, and a rubber coating roller is clamped and installed between the clamping plate and the limit plate.
[0015] Preferably, the plug is plugged into the connector, one side of the plug is fixedly connected with an inclined rod, the other end of the inclined rod is fixedly connected with a folding rod, and the bottom end of the folding rod is slidably connected with a sliding groove opened on the side of the limiting plate.
[0016] Compared with the prior art, the utility model has the following beneficial effects: the anti-bubble type double coating head coating machine, through the isolation chamber and the isolation chamber that shake as a whole, cooperates with the rubber deformation characteristics of the rubber column to make the bubbles in the glue vibrate out, and avoids the glue mixed with bubbles being directly coated when thick glue is applied. The specific contents are as follows:
[0017] 1. First, adjust the glue roller to the appropriate height, and then pour the melted glue into the pouring pocket. At this time, the glue falls into the defoaming chamber due to gravity. At this time, start the motor to make the rotating shaft drive the eccentric weight strip to rotate, so that the isolation chamber and the isolation chamber shake as a whole. With the rubber deformation characteristics of the rubber column, the bubbles in the glue are vibrated out to avoid applying thicker glue. The glue mixed with bubbles is directly applied, resulting in cavities when the film is subsequently pasted.
[0018] 2. By rotating the rotary sleeve, the stud drives the plug to move vertically, so that the plug can be detached from the connector. At this time, the limit plate is directly pulled outward to disengage it from the through rod, so that the coating roller can be quickly installed and disassembled, avoiding the need to use many bolts to directly fix it, which leads to inconvenient disassembly. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of a partial front cross-sectional structure of the utility model;
[0020] Figure 2 It is a schematic diagram of the installation structure of the defoaming chamber and the mounting frame;
[0021] Figure 3 It is a schematic diagram of the cross-sectional structure of the defoaming chamber from the side;
[0022] Figure 4 It is a schematic diagram of the installation structure of the through rod and the clamping plate;
[0023] Figure 5 for Figure 1 Schematic diagram of the enlarged structure of the A area in the middle;
[0024] Figure 6 It is a schematic diagram of the side view installation structure for installing the side panels and the limit plates.
[0025] In the figure: 1. base; 101. glue coating rack; 102. mounting side plate; 103. clamping plate; 2. defoaming assembly; 201. mounting rack; 202. defoaming bin; 203. dumping pocket; 204. blocking net; 205. export channel; 206. isolation bin; 207. isolation bin; 208. swivel; 209. weight strip; 210. rubber column; 211. limit side plate; 212. motor; 3. disassembly and assembly assembly; 301. through rod; 302. connector; 303. limit plate; 304. rotary sleeve; 305. stud; 306. plug; 307. inclined rod; 308. folding rod; 309. slide groove. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0027] See also Figure 1-6 The utility model provides a technical solution: an anti-bubble type double coating head coating machine, comprising a base 1, a coating frame 101 is installed in the middle of the base 1, electric push rods are symmetrically installed on the front and rear sides of the coating frame 101, a mounting side plate 102 is fixedly installed at the bottom end of the electric push rod, and a clamping plate 103 is fixedly connected to the bottom of the mounting side plate 102;
[0028] A defoaming assembly 2 is provided between the two electric push rods, and the defoaming assembly 2 includes mounting frames 201 symmetrically arranged on both sides of the electric push rods, the mounting frames 201 are fixedly connected to the glue coating frame 101, a support plate is fixedly connected between the two mounting frames 201, a defoaming bin 202 is fixedly connected to the top surface of the support plate, an isolation bin 206 is provided inside the defoaming bin 202, and an isolation bin 207 is fixedly connected to one side of the isolation bin 206;
[0029] Among them, a disassembly assembly 3 is arranged on the side of the clamping plate 103 .
[0030] A motor 212 is fixedly installed inside the isolation chamber 207, and the output end of the motor 212 extends into the isolation chamber 206 and is fixedly connected to a rotating shaft 208. A weight strip 209 is fixedly connected to the outer side of the rotating shaft 208, and the rotating shaft 208 is rotatably connected to the inner wall of the isolation chamber 206; when rotating, the weight strip 209 can drive the isolation chamber 206 to shake through the rotating shaft 208, thereby vibrating the air inside the glue.
[0031] The isolation chamber 207 and the isolation chamber 206 are fixedly connected to the side away from each other with a rubber column 210, and the rubber column 210 is fixedly connected to the inner wall of the defoaming chamber 202; the rubber column 210 is heat-resistant rubber, the isolation chamber 207 can isolate the temperature, and the motor 212 has the advantage of high temperature resistance. The device is for laboratory use, so the motor 212 running for a short time does not need a heat dissipation function.
[0032] A liquid outlet is provided at the bottom of the defoaming bin 202, a blocking net 204 is fixedly installed at the top of the liquid outlet, a dumping pocket 203 is fixedly installed at the top of the defoaming bin 202, and a guide channel 205 is fixedly connected to the bottom of the liquid outlet. The guide channel 205 passes through the bottom of the support plate mounting side plate 102 and a limiting side plate 211 is also fixedly installed. The limiting side plate 211 is located between the two clamping plates 103; the guide channel 205 is located above the gap between the two glue coating rollers, and the two limiting side plates 211 are fitted with the sides of the glue coating rollers, thereby preventing the liquefied and relatively viscous glue from flowing freely, thereby limiting the glue application position.
[0033] The disassembly and assembly component 3 includes a through rod 301 symmetrically fixed on both sides of the clamp plate 103, and the through rod 301 is fixedly connected to a connector 302 at one end away from the clamp plate 103, and the through rod 301 is plugged into a limit plate 303; the limit plate 303 and the clamp plate 103 are spliced to form a complete circular cavity, which can stably clamp the glue coating roller.
[0034] The middle part of the outer side of the limiting plate 303 is vertically connected to a rotary sleeve 304, and the top and bottom of the rotary sleeve 304 are symmetrically threaded and slidably installed with studs 305. The ends of the two studs 305 away from the rotary sleeve 304 are both rotatably connected to plugs 306, and a glue coating roller is clamped and installed between the clamping plate 103 and the limiting plate 303; the two glue coating rollers are existing technologies, can be heated during coating, and the glue coating rollers also act as scrapers.
[0035] The plug 306 is plugged into the connector 302, and a slanted rod 307 is fixedly connected to one side of the plug 306, and a folding rod 308 is fixedly connected to the other end of the slanted rod 307, and the bottom end of the folding rod 308 is slidably connected to a slide groove 309 opened on the side of the limit plate 303; the rotation of the plug 306 is prevented by the slanted rod 307, the folding rod 308 and the slide groove 309.
[0036] Working principle: Before using this anti-bubble double-head coating machine, you need to check the overall condition of the device to make sure it can work normally. Figure 1 - Figure 6As shown, firstly, the glue coating roller is adjusted to a suitable height, and then the melted glue is poured into the pouring pocket 203. At this time, the glue falls into the defoaming chamber 202 due to gravity. At this time, the motor 212 is started to make the rotating shaft 208 drive the weight strip 209 to rotate, so that the isolation chamber 206 and the isolation chamber 207 are shaken as a whole. Then, under the rubber deformation characteristics of the rubber column 210, the isolation chamber 206 and the isolation chamber 207 are shaken to vibrate out the bubbles in the glue, so as to avoid the glue mixed with bubbles being directly applied when thick glue is applied, resulting in cavities in the subsequent film application.
[0037] The blocking net 204 slows down the glue before it enters the outlet channel 205, so that the glue has enough time to be vibrated, thereby more fully eliminating bubbles.
[0038] By rotating the rotary sleeve 304, the stud 305 drives the plug 306 to move vertically oppositely, so that the plug 306 can be separated from the connector 302. At this time, the limit plate 303 is directly pulled outward to separate it from the through rod 301, so that the coating roller can be quickly installed and removed;
[0039] With two heated application rollers, sufficient temperature can prevent the glue from curing, and the two application rollers cooperate with each other to reduce glue overflow.
[0040] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. An anti-bubble type double coating head coating machine, comprising a base (1), a coating frame (101) is installed in the middle of the base (1), electric push rods are symmetrically installed on the front and rear sides of the coating frame (101), a mounting side plate (102) is fixedly installed at the bottom end of the electric push rod, and a clamping plate (103) is fixedly connected to the bottom of the mounting side plate (102); It is characterized in that Also includes: A defoaming assembly (2) is arranged between the two electric push rods, and the defoaming assembly (2) comprises mounting frames (201) symmetrically arranged on both sides of the electric push rods, the mounting frames (201) are fixedly connected to the glue coating frame (101), a support plate is fixedly connected between the two mounting frames (201), a defoaming bin (202) is fixedly connected to the top surface of the support plate, an isolation bin (206) is arranged inside the defoaming bin (202), and an isolation bin (207) is fixedly connected to one side of the isolation bin (206); Wherein, a disassembly assembly (3) is arranged on the side of the clamping plate (103).
2. The anti-bubble type double-head coating machine according to claim 1, characterized in that: A motor (212) is fixedly installed inside the isolation chamber (207), the output end of the motor (212) extends into the isolation chamber (206) and is fixedly connected to a rotating shaft (208), the outer side of the rotating shaft (208) is fixedly connected to a weight-biasing strip (209), and the rotating shaft (208) is rotatably connected to the inner wall of the isolation chamber (206).
3. The anti-bubble type double-head coating machine according to claim 1, characterized in that: The isolation chamber (207) and the isolation chamber (206) are both fixedly connected to a rubber column (210) on the side away from each other, and the rubber column (210) is fixedly connected to the inner wall of the defoaming chamber (202).
4. The anti-bubble type double-head coating machine according to claim 1, characterized in that: The bottom of the defoaming bin (202) is provided with a liquid outlet, the top of the liquid outlet is fixedly provided with a blocking net (204), the top of the defoaming bin (202) is fixedly provided with a dumping pocket (203), the bottom of the liquid outlet is fixedly connected with a guide channel (205), the guide channel (205) passes through the bottom of the support plate mounting side plate (102) and is also fixedly provided with a limiting side plate (211), and the limiting side plate (211) is located between the two clamping plates (103).
5. The anti-bubble type double-head coating machine according to claim 1, characterized in that: The disassembly assembly (3) comprises a through rod (301) symmetrically fixed to two sides of the clamping plate (103); one end of the through rod (301) away from the clamping plate (103) is fixedly connected to a connector (302); and the through rod (301) is plugged into a limit plate (303).
6. The anti-bubble type double-head coating machine according to claim 5, characterized in that: The middle part of the outer side of the limiting plate (303) is vertically rotatably connected with a rotary sleeve (304), the top and bottom of the rotary sleeve (304) are symmetrically threaded and slidably mounted with studs (305), and one end of the two studs (305) away from the rotary sleeve (304) is rotatably connected with a plug (306), and a glue coating roller is clamped and installed between the clamping plate (103) and the limiting plate (303).
7. The anti-bubble type double-head coating machine according to claim 6, characterized in that: The plug (306) is plugged into the connector (302); one side of the plug (306) is fixedly connected to an inclined rod (307); the other end of the inclined rod (307) is fixedly connected to a folding rod (308); the bottom end of the folding rod (308) is slidably connected to a sliding groove (309) provided on the side of the limiting plate (303).
Citation Information
Patent Citations
Patch coating machine for laboratory
CN213468472U