CN214682665U - Hot melt adhesive die head installation adjusting device - Google Patents
Hot melt adhesive die head installation adjusting device Download PDFInfo
- Publication number
- CN214682665U CN214682665U CN202120093168.7U CN202120093168U CN214682665U CN 214682665 U CN214682665 U CN 214682665U CN 202120093168 U CN202120093168 U CN 202120093168U CN 214682665 U CN214682665 U CN 214682665U
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- Prior art keywords
- hot melt
- melt adhesive
- die head
- adhesive die
- adjusting
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- Expired - Fee Related
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- 239000004831 Hot glue Substances 0.000 title claims abstract description 102
- 238000009434 installation Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 230000008859 change Effects 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000004026 adhesive bonding Methods 0.000 description 4
- 239000002390 adhesive tape Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Images
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- Adhesives Or Adhesive Processes (AREA)
- Coating Apparatus (AREA)
Abstract
A hot melt adhesive die head installation adjusting device comprises a hot melt adhesive die head assembly, a pressure bearing roller and a supporting seat, wherein the pressure bearing roller is positioned below the hot melt adhesive die head assembly, the left end and the right end of the pressure bearing roller are installed at the top of the supporting seat, and a height adjusting mechanism, a left adjusting mechanism, a right adjusting mechanism, a front adjusting mechanism, a rear adjusting mechanism and an angle adjusting mechanism are installed on the supporting seat; the height adjusting mechanism is used for adjusting the hot melt adhesive die assembly up and down so as to change the height position of the hot melt adhesive die assembly; the left and right adjusting mechanism is used for adjusting the left and right positions of the hot melt adhesive die head assembly; the front and rear adjusting mechanism is used for adjusting the front and rear positions of the hot melt adhesive die head assembly; the angle adjusting mechanism is used for adjusting the rotating angle of the hot melt adhesive die head assembly. The utility model is used for the adjustment in fixed and the use of hot melt adhesive die head can be carried out hot melt adhesive die head about, around, and rotation angle adjusts promptly to solve a series of technical problem that current hot melt adhesive die head rigid bring.
Description
Technical Field
The utility model relates to a coating machine technical field, especially a hot melt adhesive die head installation adjusting device.
Background
The hot melt adhesive is a plastic adhesive, the physical state of which changes along with the change of temperature within a certain temperature range, and the chemical property of which is unchanged, is nontoxic and tasteless, and belongs to an environment-friendly chemical product. The product is solid, so the product is convenient to package, transport and store, and has no solvent, pollution and toxicity; and the production process is simple, the added value is high, the bonding strength is high, the speed is high, and the like.
At present, the hot melt adhesive is widely applied to the production of adhesive tapes, and specifically comprises the following steps: after the hot melt adhesive is melted, the hot melt adhesive die head on the coating machine is utilized to uniformly coat the hot melt adhesive on the film, and then the adhesive tape is manufactured.
The conventional hot melt adhesive die head is usually fixed, so that the adjustment cannot be carried out according to the height of the pressure-bearing roller, the thickness and the position of the film in the actual production process of the adhesive tape, so that the gluing surface is difficult to level and uniform, and the gluing quality is poor; the gluing is more wasted, so that the production cost is increased, and the enterprise benefit is influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a hot melt adhesive die head installation adjusting device, can go on to the hot melt adhesive die head about, around, and rotation angle adjust to solve a series of technical problem that current hot melt adhesive die head was immovable and was brought.
The technical solution of the utility model is to provide a hot melt adhesive die head installation adjusting device with following structure, including hot melt adhesive die head assembly, bearing roller and bearing seat, the bearing roller is located the below of hot melt adhesive die head assembly, and the left and right both ends are installed at the top of bearing seat, wherein, install height adjustment mechanism, left and right adjustment mechanism, front and back adjustment mechanism and angle adjustment mechanism on the bearing seat; the height adjusting mechanism is used for adjusting the hot melt adhesive die assembly up and down so as to change the height position of the hot melt adhesive die assembly; the left and right adjusting mechanism is used for adjusting the left and right positions of the hot melt adhesive die head assembly; the front and rear adjusting mechanism is used for adjusting the front and rear positions of the hot melt adhesive die head assembly; the angle adjusting mechanism is used for adjusting the rotating angle of the hot melt adhesive die head assembly.
The hot melt adhesive die head mounting and adjusting device of the utility model is characterized in that supporting seats on the left side and the right side of the hot melt adhesive die head assembly are respectively provided with a height adjusting mechanism; the height adjusting mechanism comprises a height adjusting cylinder, a height adjusting plate and a fixed seat, the bottom of the fixed seat is arranged on the supporting seat, the height adjusting cylinder is vertically arranged, the cylinder body is arranged at the top of the fixed seat, the bottom of the piston rod is fixedly connected with the top of the height adjusting plate, and a vertical slide rail assembly is arranged between the height adjusting plate and the fixed seat; install hot melt adhesive die assembly between two altitude mixture control boards, through the action of altitude mixture control cylinder, can realize adjusting the height of hot melt adhesive die assembly.
The hot melt adhesive die head mounting and adjusting device of the utility model is characterized in that the angle adjusting mechanism comprises a die head fixing plate, a beam, a turntable, a sliding sleeve and an angle adjusting bolt; the front end of the die head fixing plate is fixedly connected with the hot melt adhesive die head assembly, and the rear end of the die head fixing plate is fixedly connected with the cross beam; the two ends of the beam are fixedly provided with a rotating shaft, each rotating shaft is sleeved with a sliding sleeve and a turntable, the turntable is fixedly connected with the sliding sleeve, and the rotating shafts are in synchronous transmission connection with the sliding sleeves; the outer peripheral wall of each rotary table is provided with a convex part, the angle adjusting bolt is positioned above the convex part, and the bottom of the angle adjusting bolt is pressed against the top surface of the convex part; the sliding sleeve is rotatably arranged on the height adjusting plate, and the angle adjusting bolt is arranged on the height adjusting plate through a bolt base; the rotating disc is rotated by screwing the angle adjusting bolt, so that the rotating angle of the hot melt adhesive die head assembly is adjusted.
The utility model discloses a hot melt adhesive die head installation adjusting device, wherein, control the adjustment mechanism and include fine setting support and fine setting screw rod, fine setting support fixed mounting is on the height-adjusting plate, the horizontal card of fine setting screw rod is established in the opening that fine setting support top was seted up, is equipped with annular spacing muscle on the fine setting screw rod periphery wall of the opening left and right sides, the afterbody and the rotation axis threaded connection of fine setting screw rod; a flat key and a key groove for the flat key to slide left and right are arranged between the rotating shaft and the sliding sleeve; and the fixed seat is vertically provided with a long hole for the fine adjustment support to move up and down.
Hot melt adhesive die head installation adjusting device, wherein, front and back adjustment mechanism includes movable plate, back-and-forth movement cylinder and layer board around, movable plate around the equal fixed mounting in bottom of each fixing base has, slide rail set spare around being equipped with between movable plate and the bearing around each, the cylinder body fixed mounting of back-and-forth movement cylinder is on the bearing, and the piston rod head dress is on the layer board, layer board and front and back movable plate fixed connection.
Hot melt adhesive die head installation adjusting device, wherein, the front portion of front and back movable plate is equipped with the fine setting bolt seat, be equipped with the fine setting bolt on the fine setting bolt seat, the fine setting bolt fore-and-aft direction sets up, and is equipped with the step that supplies the fine setting bolt head to support to lean on the bearing.
Hot melt adhesive die head installation adjusting device, wherein, altitude mixture control cylinder and/or back-and-forth movement cylinder adopt adjustable stroke cylinder.
After the structure more than adopting, compare with prior art, the utility model discloses hot melt adhesive die head installation adjusting device has following advantage: when the hot melt adhesive die head assembly is actually used, the height adjusting mechanism can be used for adjusting the hot melt adhesive die head assembly up and down so as to change the height position of the hot melt adhesive die head assembly; the left and right positions of the hot melt adhesive die head assembly can be adjusted through the left and right adjusting mechanism; the front and rear positions of the hot melt adhesive die head assembly can be adjusted through the front and rear adjusting mechanism; the rotating angle of the hot melt adhesive die head assembly can be adjusted through the angle adjusting mechanism. In other words, the utility model discloses can adjust wantonly to rotation angle, height, the left and right sides of hot melt adhesive die head and front and back position as required of production to make the jiao zui on the hot melt adhesive die head reach best angle and position with the sticky tape film, guarantee that the hot melt adhesive thickness of coating on the sticky tape film is even, in order to reach best rubberizing effect, fully reduce the loss of time and raw materials that prior art brought because of the adjustment in putting into production.
Drawings
FIG. 1 is a schematic view of the front perspective three-dimensional structure of the hot melt adhesive die head mounting and adjusting device of the present invention;
FIG. 2 is an enlarged perspective view of the backup roll and backup shoe shown in FIG. 1 with the backup roll and backup shoe hidden;
FIG. 3 is a schematic view of a partially exploded structure of the turntable, the rotary shaft, the sliding sleeve, the height adjustment plate and the angle adjustment bolt of FIG. 2 when they are coupled together;
FIG. 4 is a schematic view of a rear view of a partial cross-sectional structure of the hot melt adhesive die head mounting adjustment apparatus of the present invention;
fig. 5 is a schematic view of the rear perspective structure of the hot melt adhesive die head mounting and adjusting device of the present invention.
Detailed Description
The installation and adjustment device for the hot melt adhesive die head of the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1, in this embodiment, the utility model discloses hot melt adhesive die head installation adjusting device mainly used for the fixed and adjustment in the use of hot melt adhesive die head, it includes hot melt adhesive die head subassembly 1, pressure-bearing roller 2 and bearing 3, and pressure-bearing roller 2 is located hot melt adhesive die head subassembly 1's below, and controls both ends and install the top at bearing 3. The supporting seat 3 is provided with a height adjusting mechanism 6, a left-right adjusting mechanism 5, a front-back adjusting mechanism 4 and an angle adjusting mechanism 7. The height adjusting mechanism 6 is used for adjusting the hot melt adhesive die head assembly 1 up and down so as to change the height position of the hot melt adhesive die head assembly; the left and right adjusting mechanism 5 is used for adjusting the left and right positions of the hot melt adhesive die head assembly 1; the front and back adjusting mechanism 4 is used for adjusting the front and back positions of the hot melt adhesive die head assembly 1; the angle adjusting mechanism is used for adjusting the rotating angle of the hot melt adhesive die head assembly 1.
Referring to fig. 2, the supporting seats 3 on the left and right sides of the hot melt adhesive die head assembly 1 are provided with height adjusting mechanisms 6. The height adjusting mechanism 6 comprises a height adjusting cylinder 61, a height adjusting plate 63 and a fixed seat 62, and the bottom of the fixed seat 62 is arranged on the supporting seat 3; the height adjusting cylinder 61 is vertically arranged, the cylinder body is arranged at the top of the fixed seat 62, and the bottom of the piston rod is fixedly connected with the top of the height adjusting plate 63; a vertical slide rail assembly is arranged between the height adjusting plate 63 and the fixed seat 62. When the hot melt adhesive die assembly is used, the hot melt adhesive die assembly 1 is arranged between the two height adjusting plates 63, and the hot melt adhesive die assembly 1 moves up and down along the vertical sliding rail assembly through the action of the height adjusting cylinder 61 so as to ensure that the hot melt adhesive die assembly moves to a working position from a standby position quickly; in addition, the height position of the hot melt adhesive die head assembly 1 relative to the adhesive tape film can be adjusted, so that the optimal gluing effect can be achieved.
Referring to fig. 2, 3 and 4, the angle adjusting mechanism 7 includes a die fixing plate 72, a beam 71, a turntable 73, a slide sleeve 77, and an angle adjusting bolt 75. The front end of the die head fixing plate 72 is fixedly connected with the hot melt adhesive die head assembly 1, and the rear end is fixedly connected with the cross beam 71; two ends of the beam 71 are fixedly provided with a rotating shaft 76, each rotating shaft 76 is sleeved with a sliding sleeve 77 and a rotating disc 73, the rotating disc 73 is fixedly connected with the sliding sleeve 77, and the rotating shafts 76 are in synchronous transmission connection with the sliding sleeves 77, such as a flat key or spline connection structure; two symmetrical convex parts 731 are arranged on the outer peripheral wall of each rotating disc 73, the angle adjusting bolt 75 is positioned above the convex parts 731, and the bottom of the angle adjusting bolt is pressed against the top surfaces of the convex parts 731; the sliding sleeve 77 is rotatably mounted on the height adjusting plate 63; the angle adjusting bolt 75 is mounted on the height adjusting plate 63 through a bolt mount 74. During the use, make carousel 73 rotatory through twisting angle adjusting bolt 75 to the realization is adjusted the rotation angle of hot melt adhesive die head assembly 1, treats the regulation back, can realize fixing the rotation angle position of hot melt adhesive die head assembly 1 this time through the angle adjusting bolt 75 of carousel 73 symmetry both sides.
Referring to fig. 4, the left-right adjusting mechanism 5 includes a fine adjusting bracket 52 and a fine adjusting screw 51, the fine adjusting bracket 52 is fixedly mounted on the height adjusting plate 63, the fine adjusting screw 51 is transversely clamped in a gap 54 formed at the top of the fine adjusting bracket 52, annular limiting ribs 53 are arranged on the outer peripheral wall of the fine adjusting screw 51 on the left side and the right side of the gap 54, and the tail of the fine adjusting screw 51 is in threaded connection with the rotating shaft 76; a flat key and a key groove 771 for the flat key to slide left and right are arranged between the rotating shaft 76 and the sliding sleeve 77; the fixing base 62 is vertically provided with a long hole 621 for the fine tuning bracket 52 to move up and down. By rotating the fine adjustment screw 51, the hot melt adhesive die head assembly 1 can move transversely, and the purpose of adjusting the left position and the right position of the hot melt adhesive die head assembly 1 is achieved.
Referring to fig. 5, the front-rear adjusting mechanism 4 includes a front-rear moving plate 41, a front-rear moving cylinder 42, and a support plate 43. A front and rear moving plate 41 is fixedly mounted at the bottom of each fixed seat 62, and a front and rear sliding rail assembly is arranged between each front and rear moving plate 41 and the supporting seat 3; the cylinder body of the front-back moving cylinder 42 is fixedly arranged on the supporting seat 3, and the head part of the piston rod is arranged on the supporting plate 43; the support plate 43 is fixedly connected to the forward/backward moving plate 41. Through driving about the action of back-and-forth movement cylinder 42, not only can make hot melt adhesive die head assembly 1 move to the work position from the standby position fast along front and back slide rail assembly, can also adjust the front and back position of hot melt adhesive die head assembly 1 relative to the sticky tape film to reach best rubberizing effect.
The front part of the front and rear moving plate 41 is provided with a fine adjustment bolt seat 44, the fine adjustment bolt seat 44 is provided with a fine adjustment bolt 45, the fine adjustment bolt 45 is arranged in the front and rear direction, and the supporting seat 3 is provided with a step 31 against which the head part of the fine adjustment bolt 45 abuts so as to limit the forward movement position of the front and rear moving cylinder 42.
The height adjustment cylinder 61 and/or the forward and backward movement cylinder 42 are/is an adjustable stroke cylinder, so that the height and the forward and backward positions of the hot melt adhesive die head assembly 1 can be more accurately adjusted.
The stroke-adjustable cylinder, the front and rear sliding rail assemblies, the vertical sliding rail assembly and the hot melt adhesive die assembly 1 are all products sold in the market at present, and therefore the specific structures are not repeated.
The utility model discloses can adjust wantonly to rotation angle, height, the left and right sides of hot melt adhesive die head and front and back position according to production needs to make the gluey mouth on the hot melt adhesive die head reach best angle and position with the sticky tape film, guarantee that the hot melt adhesive thickness of coating on the sticky tape film is even, in order to reach best rubberizing effect, fully reduce the loss of time and raw materials that prior art brought because of the adjustment in production.
The above-mentioned embodiments are only described for the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and the technical solution of the present invention is not limited by the above-mentioned embodiments, and various modifications and improvements made by those skilled in the art can be made without departing from the spirit of the present invention.
Claims (7)
1. The utility model provides a hot melt adhesive die head installation adjusting device, includes hot melt adhesive die head subassembly (1), backing roll (2) and bearing (3), backing roll (2) are located the below of hot melt adhesive die head subassembly (1), and control both ends and install the top at bearing (3), its characterized in that:
the supporting seat (3) is provided with a height adjusting mechanism (6), a left-right adjusting mechanism (5), a front-back adjusting mechanism (4) and an angle adjusting mechanism (7);
the height adjusting mechanism (6) is used for adjusting the hot melt adhesive die head assembly (1) up and down so as to change the height position of the hot melt adhesive die head assembly;
the left and right adjusting mechanism (5) is used for adjusting the left and right positions of the hot melt adhesive die head assembly (1);
the front and back adjusting mechanism (4) is used for adjusting the front and back positions of the hot melt adhesive die head assembly (1);
the angle adjusting mechanism (7) is used for adjusting the rotating angle of the hot melt adhesive die head assembly (1).
2. The hot melt adhesive die head installation adjustment device of claim 1, wherein: the supporting seats (3) on the left side and the right side of the hot melt adhesive die head assembly (1) are respectively provided with a height adjusting mechanism (6);
the height adjusting mechanism (6) comprises a height adjusting cylinder (61), a height adjusting plate (63) and a fixed seat (62), the bottom of the fixed seat (62) is arranged on the supporting seat (3), the height adjusting cylinder (61) is vertically arranged, a cylinder body is arranged at the top of the fixed seat (62), the bottom of a piston rod is fixedly connected with the top of the height adjusting plate (63), and a vertical slide rail assembly is arranged between the height adjusting plate (63) and the fixed seat (62);
the hot melt adhesive die assembly (1) is arranged between two height adjusting plates (63), and the height of the hot melt adhesive die assembly (1) can be adjusted through the action of the height adjusting cylinder (61).
3. The hot melt adhesive die head installation adjustment device of claim 2, wherein: the angle adjusting mechanism (7) comprises a die head fixing plate (72), a cross beam (71), a rotary table (73), a sliding sleeve (77) and an angle adjusting bolt (75);
the front end of the die head fixing plate (72) is fixedly connected with the hot melt adhesive die head assembly (1), and the rear end of the die head fixing plate is fixedly connected with the cross beam (71);
two ends of the cross beam (71) are fixedly provided with a rotating shaft (76), each rotating shaft (76) is sleeved with a sliding sleeve (77) and a rotating disc (73), the rotating discs (73) are fixedly connected with the sliding sleeves (77), and the rotating shafts (76) are in synchronous transmission connection with the sliding sleeves (77);
the peripheral wall of each rotary table (73) is provided with a convex part (731), the angle adjusting bolt (75) is positioned above the convex part (731), and the bottom of the angle adjusting bolt is pressed against the top surface of the convex part (731);
the sliding sleeve (77) is rotatably arranged on the height adjusting plate (63), and the angle adjusting bolt (75) is arranged on the height adjusting plate (63) through a bolt base (74);
the rotating disc (73) is rotated by screwing the angle adjusting bolt (75), so that the rotating angle of the hot melt adhesive die head assembly (1) is adjusted.
4. The hot melt adhesive die head installation adjustment device of claim 3, wherein: the left and right adjusting mechanism (5) comprises a fine adjusting support (52) and a fine adjusting screw rod (51), the fine adjusting support (52) is fixedly installed on the height adjusting plate (63), the fine adjusting screw rod (51) is transversely clamped in a notch (54) formed in the top of the fine adjusting support (52), annular limiting ribs (53) are arranged on the outer peripheral wall of the fine adjusting screw rod (51) on the left side and the right side of the notch (54), and the tail part of the fine adjusting screw rod (51) is in threaded connection with the rotating shaft (76);
a flat key and a key groove (771) for the flat key to slide left and right are arranged between the rotating shaft (76) and the sliding sleeve (77);
the fixing seat (62) is vertically provided with a long hole (621) for the fine adjustment support (52) to move up and down.
5. The hot melt adhesive die head installation adjustment device of claim 4, wherein: the front-back adjusting mechanism (4) comprises a front-back moving plate (41), a front-back moving cylinder (42) and a supporting plate (43), the bottom of each fixing seat (62) is fixedly provided with the front-back moving plate (41), a front-back sliding rail assembly is arranged between each front-back moving plate (41) and the supporting seat (3), the cylinder body of the front-back moving cylinder (42) is fixedly arranged on the supporting seat (3), the head of the piston rod is arranged on the supporting plate (43), and the supporting plate (43) is fixedly connected with the front-back moving plate (41).
6. The hot melt adhesive die head installation adjustment device of claim 5, wherein: the front part of the front and rear moving plate (41) is provided with a fine adjustment bolt seat (44), the fine adjustment bolt seat (44) is provided with a fine adjustment bolt (45), the fine adjustment bolt (45) is arranged in the front and rear direction, and the supporting seat (3) is provided with a step (31) for the head of the fine adjustment bolt (45) to abut against.
7. The hot melt adhesive die head mounting adjustment device according to any one of claims 2-5, wherein: the height adjusting cylinder (61) and/or the forward and backward moving cylinder (42) adopt an adjustable stroke cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120093168.7U CN214682665U (en) | 2021-01-13 | 2021-01-13 | Hot melt adhesive die head installation adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120093168.7U CN214682665U (en) | 2021-01-13 | 2021-01-13 | Hot melt adhesive die head installation adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214682665U true CN214682665U (en) | 2021-11-12 |
Family
ID=78563050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120093168.7U Expired - Fee Related CN214682665U (en) | 2021-01-13 | 2021-01-13 | Hot melt adhesive die head installation adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214682665U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114104379A (en) * | 2021-12-13 | 2022-03-01 | 深圳市润之创科技有限公司 | Iron adjusting mechanism |
| WO2024066081A1 (en) * | 2022-09-30 | 2024-04-04 | 广东利元亨智能装备股份有限公司 | Die head apparatus, coating device, and coating method |
-
2021
- 2021-01-13 CN CN202120093168.7U patent/CN214682665U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114104379A (en) * | 2021-12-13 | 2022-03-01 | 深圳市润之创科技有限公司 | Iron adjusting mechanism |
| WO2024066081A1 (en) * | 2022-09-30 | 2024-04-04 | 广东利元亨智能装备股份有限公司 | Die head apparatus, coating device, and coating method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |