CN219377708U - Double-scraper coating device - Google Patents
Double-scraper coating device Download PDFInfo
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- CN219377708U CN219377708U CN202320322291.0U CN202320322291U CN219377708U CN 219377708 U CN219377708 U CN 219377708U CN 202320322291 U CN202320322291 U CN 202320322291U CN 219377708 U CN219377708 U CN 219377708U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a double-scraper coating device, which comprises a box body, a supporting mechanism, a driving mechanism, a screen plate, a scraper mechanism and a man-machine interaction interface, and is characterized in that: the scraper mechanism consists of a right cylinder, a left scraper and a right scraper, and the left scraper and the right scraper are fixed on telescopic rods of the left cylinder and the right cylinder respectively at intervals and in parallel through scraper seats; the screen plate is positioned below the left scraper and the right scraper, is fixed on the X-direction driving cross beam through the screen fixing plate, and is provided with screen holes for injecting heat conduction silicone grease onto the power electronic device substrate. The double-scraper coating device can realize twice coating of the heat-conducting silicone grease on the power electronic device substrate, can effectively control the coating consistency, improves the coating efficiency, reduces the labor intensity of workers, accelerates the coating time, and simultaneously purifies the labor environment, and has the beneficial effects of being worth popularizing.
Description
Technical Field
The present utility model relates to a coating apparatus, and more particularly, to a double doctor blade coating apparatus.
Background
The power electronic component has the advantages that the conduction loss and the switching loss provide higher heat dissipation requirements for the component, the heat conduction silicone grease is required to be smeared between a component substrate and a radiator in order to improve the heat conduction coefficient and reduce the heat resistance, the traditional smearing mode is to smear on the component substrate manually by virtue of a scraping plate or smear one to three pieces at a time by virtue of a steel mesh jig, the automation degree is low, the production efficiency is low, the labor intensity is high, the smearing is uneven, the adhesion phenomenon often occurs, and the quality is difficult to control; on the other hand, hands or bodies of production staff often touch the heat-conducting silicone grease, so that the working conditions are poor and unnecessary waste is caused. The utility model discloses a double-scraper coating device aiming at the current situation of coating heat-conducting silicone grease on power electronic components, so as to solve the problem of coating heat-conducting silicone grease on the power electronic components.
Disclosure of Invention
The utility model provides a double-scraper coating device for overcoming the defects of the technical problems.
The double-scraper coating device comprises a box body, a supporting mechanism, a driving mechanism, a screen plate, a scraper mechanism and a man-machine interaction interface, wherein the supporting mechanism and the driving mechanism are arranged on the box body, the supporting mechanism is used for supporting and fixing a power electronic device substrate to be coated with heat conduction silicone grease, and the heat conduction silicone grease is stored on the screen plate; the driving mechanism consists of a Y-direction driving beam, a Y-direction guide rail, an X-direction driving beam, a Y-direction motor, an X-direction motor and a cylinder support, wherein the Y-direction driving beam and the Y-direction guide rail are mutually fixed on the box body in parallel, two ends of the X-direction driving beam are respectively arranged on the Y-direction driving beam and the Y-direction guide rail through sliding seats, the cylinder support is arranged on the X-direction driving beam through the sliding seats, the Y-direction motor is used for driving the X-direction driving beam to move along the Y-direction driving beam, and the X-direction motor is used for driving the cylinder support to move along the X-direction driving beam; the method is characterized in that: the scraper mechanism consists of a right cylinder, a left cylinder, a right scraper and a left scraper, wherein the left cylinder and the right cylinder are respectively fixed on a cylinder support in a way that the telescopic rods of the left cylinder and the right cylinder face downwards, and the left scraper and the right scraper are respectively fixed on the telescopic rods of the left cylinder and the right cylinder at intervals and in parallel through scraper seats; the screen plate is positioned below the left scraper and the right scraper, is fixed on the X-direction driving cross beam through the screen fixing plate, and is provided with screen holes for injecting heat conduction silicone grease onto the power electronic device substrate.
The supporting mechanism of the double-scraper coating device comprises a jacking cylinder, a lifting plate, a bearing plate, two U-shaped clamping plates and a standing column, wherein the jacking cylinder is fixed in a box body in a mode that telescopic rods of the jacking cylinder face, the lifting plate is fixed on the telescopic rods of the jacking cylinder, the bearing plate is fixed on the lifting plate, the two U-shaped clamping plates are fixed on the lifting plate in a mode that openings are opposite, two sides of the bearing plate are inserted into the U-shaped clamping plates, vertical plum blossom handle bolts for adjusting and positioning the height of the bearing plate are arranged on the U-shaped clamping plates, a power electronic device substrate to be coated with heat conduction silicone grease is fixed on the standing column, and the standing column is fixed on the bearing plate.
According to the double-scraper coating device, the opposite-jet type photoelectric sensors are fixed on the two U-shaped clamping plates and are used for detecting whether the power electronic device substrate to be coated with the heat-conducting silicone grease is placed on the station columns or not.
According to the double-scraper coating device, the lower end of the jacking cylinder is fixed on the bottom plate, the U-shaped fixing plate is fixed on the bottom plate and is fixed in the box body, and the upper side surface of the U-shaped fixing plate is provided with the lifting notch for accommodating the lifting plate.
According to the double-scraper coating device, the periphery of the screen plate is provided with the screen outer frame, and the screen outer frame is provided with the plurality of horizontal plum blossom handle bolts fixed to the screen plate.
According to the double-scraper coating device, the scraper seat is fixedly provided with the vertical guide rod, and the cylinder support is fixedly provided with the guide seat matched with the guide rod.
According to the double-scraper coating device, the front end and the rear end of the Y-direction driving cross beam are respectively fixed with the front limit switch and the rear limit switch for limiting the movement position of the X-direction driving cross beam, and the left end and the right end of the X-direction driving cross beam are respectively fixed with the left limit switch and the right limit switch for limiting the movement position of the scraper mechanism.
According to the double-scraper coating device, the four corners of the bottom of the box body are respectively fixed with the support Ma Lun, and the four side faces of the box body are respectively provided with two box doors.
The beneficial effects of the utility model are as follows: according to the double-scraper coating device, the box body is provided with the supporting mechanism, the driving mechanism and the jacking cylinder, the X-direction driving cross beam in the driving mechanism is provided with the screen plate and the scraper mechanism, and the scraper mechanism is provided with the left scraper and the right scraper which are driven to lift by the left cylinder and the right cylinder respectively, so that when the double-scraper coating device is used: the station post in the supporting mechanism realizes supporting and fixing the power electronic device substrate to be coated with the heat-conducting silicone grease, the Y-direction motor in the driving mechanism drives the screen plate and the scraper mechanism to the upper part of the power electronic device substrate, the X-direction motor drives the left scraper and the right scraper to reciprocate left and right, so that the heat-conducting silicone grease is coated on the power electronic device substrate twice, the coating consistency can be effectively controlled, the coating efficiency is improved, an operator can finish related tasks by only taking and placing the device, one-key operation is performed, the labor intensity of the operator is reduced, the coating time is accelerated, the labor environment is purified, and the beneficial effects are worth popularizing.
Further, as the bearing plate is fixed in the U-shaped clamping plate through the vertical plum blossom handle bolt, the screen plate is fixed on the screen outer frame through the horizontal plum blossom handle bolt, not only is the height of the power electronic device substrate to be coated adjustable, but also the bearing plate, the standing column and the screen plate can be replaced, so that the power electronic device substrate coating machine is suitable for coating power electronic device substrates of different types.
Drawings
FIG. 1 is a front view of a dual doctor blade coating apparatus of the utility model;
FIG. 2 is a left side view of the dual doctor blade coating apparatus of the utility model;
FIG. 3 is a top view of the dual doctor blade coating apparatus of the utility model;
FIGS. 4, 5 and 6 are perspective views of a dual doctor blade coating apparatus of the utility model;
FIG. 7 is a schematic view of the structure of the jacking cylinder according to the present utility model;
FIG. 8 is a schematic view of a supporting mechanism according to the present utility model;
FIG. 9 is a schematic view of a doctor blade mechanism according to the present utility model;
FIG. 10 is a schematic view of the structure of the screen plate portion of the present utility model.
In the figure: the device comprises a box body 1, a supporting mechanism 2, a driving mechanism 3, a screen plate 4, a scraper mechanism 5, a man-machine interaction interface 6, a jacking cylinder 7, a box door 8, a box door Ma Lun 9 and a scram button 10; the power electronic device comprises a lifting plate 11, a fixed plate 12U, a lifting notch 13, a bottom plate 14, a clamping plate 15U, a bearing plate 16, a standing column 17, a vertical plum blossom handle bolt 18, a correlation photoelectric sensor 19, a driving beam 20Y, a driving beam 21X, a guide rail 22Y, a motor 23Y, a motor 24X, a front limit switch 25, a rear limit switch 26, a right limit switch 27, a left limit switch 28, a cylinder support 29, a right cylinder 30, a left cylinder 31, a right scraper 32, a left scraper 33, a scraper seat 34, a guide seat 35, a guide rod 36, a sieve mesh 37, a sieve mesh 38 outer frame 39, a sieve mesh fixed plate 40, a horizontal plum blossom handle bolt 40 and a power electronic device 41 to be coated.
Description of the embodiments
The utility model will be further described with reference to the drawings and examples.
As shown in fig. 1, 2 and 3, a front view, a left view and a top view of the double-doctor coating device of the present utility model are respectively given, and fig. 4, 5 and 6 are perspective views of the double-doctor coating device of the present utility model, the double-doctor coating device is composed of a case 1, a supporting mechanism 2, a driving mechanism 3, a screen plate 4, a doctor mechanism 5, a man-machine interaction interface 6 and a jacking cylinder 7, the case 1 plays a role of fixing and supporting, an electric control device is provided in the case 1, and the man-machine interaction interface 6 is provided on the case 1 for realizing man-machine interaction. The supporting mechanism 2 and the driving mechanism 3 are arranged on the box body 1, the screen plate 4 and the scraper mechanism 5 are arranged on the moving mechanism 3, the supporting mechanism 2 is used for supporting and fixing a power electronic device substrate to be coated with the heat conduction silicone grease, the heat conduction silicone grease is stored on the screen plate 4, and the screen holes 37 from which the heat conduction silicone grease 4 flows out are formed in the screen plate 4.
The scraper mechanism 5 is provided with two scrapers, namely a left scraper 33 and a right scraper 32, and the left scraper 33 and the right scraper 32 are driven to lift through a left cylinder 31 and a right cylinder 30 respectively. The driving mechanism 3 is used for driving the screen plate 4 and the scraper mechanism 5 to synchronously move to the upper side of the supporting mechanism 2, and then the driving mechanism 3 drives the scraper mechanism 5 to move left and right so as to realize the coating of the power electronic device substrate by the left scraper 33 and the right scraper 32 with twice heat-conducting silicone grease.
The supporting mechanism 2 is composed of a jacking air cylinder 7, a lifting plate 11, a bearing plate 16, a standing column 17, a U-shaped clamping plate 15, an opposite type photoelectric sensor 19 and a vertical plum blossom handle bolt 18, a structural schematic diagram of the position of the jacking air cylinder in the utility model is given as shown in fig. 7, a structural schematic diagram of the supporting mechanism in the utility model is given as shown in fig. 8, the jacking air cylinder 7 is arranged in a mode that a telescopic rod of the jacking air cylinder is upward, the lower end of a cylinder body of the jacking air cylinder 7 is fixed on a bottom plate 14, a U-shaped fixing plate 12 is fixed above the bottom plate 14, the U-shaped fixing plate 12 is fixed in a box body 1, a lifting notch 13 for accommodating the lifting plate 11 to pass through is formed in the upper side surface of the U-shaped fixing plate 12, and the lower surface of the lifting plate 11 is fixed on the telescopic cylinder of the jacking air cylinder 7. In this way, the lifting plate 11 can be driven to lift under the action of the lifting cylinder 7.
The number of the U-shaped clamping plates 15 is two, the two U-shaped clamping plates 15 are arranged in a mode that openings are opposite, and the two U-shaped clamping plates 15 are fixed on the lifting plate 11. Two sides of the bearing plate 16 are clamped into the two U-shaped clamping plates 15, four vertical plum blossom handle bolts 18 are arranged on each U-shaped clamping plate 15, and the vertical plum blossom handle bolts 18 can not only position the bearing plate 16, but also adjust the height of the bearing plate 16; at the same time, the carrier plate 16 is also made replaceable to accommodate application of thermally conductive silicone grease to differently shaped power electronics substrates. The station 17 is fixed to the carrier plate 16, in which case the number of power electronics 41 to be coated to be fixed to the station 17 is four. The two U-shaped clamping plates 15 are provided with aligned opposite-jet photoelectric sensors 19, and the opposite-jet photoelectric sensors 19 are used for detecting whether a power electronic device substrate is placed on the station post 17.
The driving mechanism 3 shown is composed of a Y-direction driving beam 20, an X-direction driving beam 21, a Y-direction guide rail 22, a Y-direction motor 24, an X-direction motor 24 and a cylinder support 29, the Y-direction driving beam 20 and the Y-direction guide rail 22 are respectively fixed on the case 1 in a mutually parallel manner, and both ends of the X-direction driving beam 21 are respectively arranged on the Y-direction driving beam 20 and the Y-direction guide rail 22 via slide carriages so that the X-direction driving beam 21 can move along the length direction of the Y-direction driving beam 20. The cylinder mount 29 is provided on the X-direction fixed beam 21 via a slide so that the cylinder mount 29 can move in the length direction of the X-direction fixed beam 21. The Y-direction motor 23 is fixed at one end of the Y-direction driving beam 20, and drives the X-direction driving beam to convey through a screw nut transmission pair; the X-direction motor 24 is fixed at one end of the X-direction drive beam 21, which drives the cylinder support 29 to move via a screw nut transmission pair.
The front end and the rear end of the illustrated Y-direction driving beam 20 are respectively provided with a front limit switch 25 and a rear limit switch 26, and the front limit switch 25 and the rear limit switch 26 are used for limiting the front-rear movement position of the X-direction driving beam 21 and ensuring that the sieve pore 37 area on the sieve plate 4 moves right above the power electronic device 41 to be coated. The left end and the right end of the illustrated X-direction driving beam 20 are respectively provided with a left limit switch 28 and a right limit switch 27 for limiting the left-right movement position of the cylinder support 29, i.e. limiting the left-right movement position of the left scraper 33 and the right scraper 32.
As shown in fig. 9, a schematic structural diagram of the doctor mechanism 5 in the present utility model is provided, and the doctor mechanism is composed of a left doctor 33, a right doctor 32, a left cylinder 31 and a right cylinder 30, wherein the left cylinder 31 and the right cylinder 30 are fixed on a cylinder support 29 in a telescopic manner, the left doctor 33 and the right doctor 32 are spaced apart by a certain distance and are arranged in parallel with each other, and the left doctor 33 and the right doctor 32 are respectively fixed on telescopic shafts of the left cylinder 31 and the right cylinder 30 through a doctor holder 34, so that the left cylinder 31 and the right cylinder 30 can respectively drive the left doctor 33 and the right doctor 32 to lift up and down.
As shown in fig. 10, a schematic structural diagram of a screen plate part in the present utility model is provided, a screen frame 38 is provided at the periphery of the screen plate 4, a plurality of horizontal plum blossom handle bolts 40 for fixing the screen plate 4 are provided on the screen frame 38, and the screen plate 4 is fixed on the X-direction driving beam 21 via a screen fixing plate 39. The horizontal plum blossom handle bolts 40 not only can realize the fixation of the screen plate 4, but also can realize the sliding of the screen plate 4 so as to realize the coating of heat-conducting silicone grease on different types of power electronic device substrates.
The working principle of the double-scraper coating device of the utility model is as follows:
when the Y-direction motor 23 drives the sieve holes 37 on the sieve plate 4 to be aligned with the power electronic devices 41 to be coated on the standing post 17, the front limit switch 25 on the Y-direction driving beam 20 acts, and the X-direction driving beam 21 and the sieve plate 4 stop moving; the lifting cylinder 7 drives the lifting plate 11 to lift, so that the power electronic device substrate on the standing post 17 keeps a contact distance with the screen plate 4. At this time, the telescopic rod of the left cylinder 31 on the scraper mechanism 5 is extended, the left scraper 33 is lowered in height, and the left scraper 33 abuts against the screen plate 4; at this time, the X-direction motor 24 drives the scraper mechanism 5 to move rightward, so that the left scraper 33 pulls the heat-conductive silicone grease placed on the screen panel 4 to move rightward, and the heat-conductive silicone grease passing through the mesh holes 37 is uniformly coated on the substrate of the power electronic device.
After the scraper mechanism 5 moves to the right side set position, the right limit switch 27 acts, the scraper mechanism 5 starts to slide from right to left, at the moment, the left cylinder 31 acts to complete recovery of the telescopic rod, the left scraper 33 returns to the original position, meanwhile, the right cylinder 30 acts, the telescopic rod stretches, the right scraper 32 is pressed down, the right scraper 32 pulls the heat-conducting silicone grease to repeatedly coat, the second heat-conducting silicone grease coating work is completed, and the coating is finer, more uniform and more attractive through the second coating.
After reciprocation of the doctor mechanism 5, a basic coating action is completed; the jacking air cylinder 7 falls to drive the coated power electronic devices to fall back, at the moment, the Y-direction motor 23 drives the scraper mechanism 5 and the screen plate 4 to move along with the X-direction driving beam 21 from front to back, the initial state is restored, the coating work of a batch of devices is completed, and the coated devices are placed on the lower line.
Claims (8)
1. The utility model provides a two scraper coating devices, includes box (1), supporting mechanism (2), actuating mechanism (3), screen plate (4), scraper mechanism (5) and human-computer interaction interface (6), and supporting mechanism and actuating mechanism all set up on the box, and supporting mechanism is used for supporting and fixing the power electronic device base plate of waiting to coat heat conduction silicone grease, has heat conduction silicone grease on the screen plate; the driving mechanism consists of a Y-direction driving beam (20), a Y-direction guide rail (22), an X-direction driving beam (21), a Y-direction motor (23), an X-direction motor (24) and a cylinder support (29), wherein the Y-direction driving beam and the Y-direction guide rail are mutually fixed on the box body in parallel, two ends of the X-direction driving beam are respectively arranged on the Y-direction driving beam and the Y-direction guide rail through sliding seats, the cylinder support is arranged on the X-direction driving beam through the sliding seats, the Y-direction motor is used for driving the X-direction driving beam to move along the Y-direction driving beam, and the X-direction motor is used for driving the cylinder support to move along the X-direction driving beam; the method is characterized in that: the scraper mechanism consists of a right cylinder (30), a left cylinder (31), a right scraper (32) and a left scraper (33), wherein the left cylinder and the right cylinder are respectively fixed on a cylinder support in a way that the telescopic rods of the left cylinder and the right cylinder face downwards, and the left scraper and the right scraper are respectively fixed on the telescopic rods of the left cylinder and the right cylinder at intervals and in parallel through scraper holders (34); the screen plate is positioned below the left scraper and the right scraper, is fixed on the X-direction driving cross beam through a screen fixing plate (39), and is provided with screen holes (37) for injecting heat conduction silicone grease onto the power electronic device substrate.
2. The dual doctor blade coating apparatus as claimed in claim 1, wherein: the supporting mechanism (2) is composed of a jacking air cylinder (7), a lifting plate (11), a bearing plate (16), two U-shaped clamping plates (15) and a standing column (17), wherein the jacking air cylinder is fixed in a box body in a mode of the orientation of a telescopic rod of the jacking air cylinder, the lifting plate is fixed on the telescopic rod of the jacking air cylinder, the bearing plate is fixed on the lifting plate, the two U-shaped clamping plates are fixed on the lifting plate in a mode of opposite openings, two sides of the bearing plate are inserted into the U-shaped clamping plates, vertical plum blossom handle bolts (18) for adjusting and positioning the bearing plate are arranged on the U-shaped clamping plates, a power electronic device substrate to be coated with heat conduction silicone grease is fixed on the standing column, and the standing column is fixed on the bearing plate.
3. The dual doctor blade coating apparatus as claimed in claim 2, wherein: and opposite-type photoelectric sensors (19) are fixed on the two U-shaped clamping plates (15), and are used for detecting whether the power electronic device substrate to be coated with the heat-conducting silicone grease is placed on the standing posts (17).
4. A twin blade coating apparatus as claimed in claim 2 or 3, characterised in that: the lower end of the jacking cylinder (7) is fixed on a bottom plate (14), a U-shaped fixing plate (12) is fixed on the bottom plate, the U-shaped fixing plate is fixed in the box body (1), and a lifting notch (13) for accommodating the lifting plate (11) is formed in the upper side surface of the U-shaped fixing plate.
5. The dual doctor blade coating device according to claim 1 or 2, characterized in that: the periphery of the screen plate (4) is provided with a screen outer frame (38), and the screen outer frame is provided with a plurality of horizontal plum blossom handle bolts (40) for fixing the screen plate (4).
6. The dual doctor blade coating device according to claim 1 or 2, characterized in that: a vertical guide rod (36) is fixed on the scraper seat (34), and a guide seat (35) matched with the guide rod is fixed on the cylinder support (29).
7. The dual doctor blade coating device according to claim 1 or 2, characterized in that: front limit switch (25) and rear limit switch (26) which limit the movement position of X-direction drive beam (21) are respectively fixed at the front end and the rear end of Y-direction drive beam (20), and left limit switch (28) and right limit switch (27) which limit the movement position of scraper mechanism (5) are respectively fixed at the left end and the right end of X-direction drive beam (21).
8. The dual doctor blade coating device according to claim 1 or 2, characterized in that: the four corners of the bottom of the box body (1) are respectively fixed with a fuma wheel (8), and two box doors (9) are respectively arranged on the four side faces of the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320322291.0U CN219377708U (en) | 2023-02-27 | 2023-02-27 | Double-scraper coating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320322291.0U CN219377708U (en) | 2023-02-27 | 2023-02-27 | Double-scraper coating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219377708U true CN219377708U (en) | 2023-07-21 |
Family
ID=87190564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320322291.0U Active CN219377708U (en) | 2023-02-27 | 2023-02-27 | Double-scraper coating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219377708U (en) |
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2023
- 2023-02-27 CN CN202320322291.0U patent/CN219377708U/en active Active
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