CN115709872A - Spring conveyor and bagged spring production facility - Google Patents
Spring conveyor and bagged spring production facility Download PDFInfo
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- CN115709872A CN115709872A CN202211347455.1A CN202211347455A CN115709872A CN 115709872 A CN115709872 A CN 115709872A CN 202211347455 A CN202211347455 A CN 202211347455A CN 115709872 A CN115709872 A CN 115709872A
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Abstract
The invention discloses a spring conveying device and bagged spring production equipment, wherein the spring conveying device comprises: the compression mechanism comprises a first conveying belt and a second conveying belt, wherein the first conveying belt and the second conveying belt are arranged at intervals, at least one part of the first conveying belt and the second conveying belt are arranged in a V shape, so that a conveying channel which is provided with a wide end and a narrow end and used for compressing the conveying spring is formed in a gap between the first conveying belt and the second conveying belt; the conveying mechanism is positioned above the compression mechanism and comprises a first annular conveying piece, a plurality of magnetic bases used for adsorbing and fixing springs are arranged on the first annular conveying piece, the magnetic bases are arranged at intervals along a conveying path of the first annular conveying piece, and the conveying path at the lower part of the first annular conveying piece at least can cover the conveying channel; and the limiting mechanism is positioned below the compression mechanism and is used for matching with the conveying mechanism to limit the spring from arching in the compression conveying process. The structure is beneficial to preventing the spring from arching and falling off in the process of compression conveying.
Description
Technical Field
The invention relates to the technical field of bagged spring manufacturing, in particular to a spring conveying device and bagged spring production equipment.
Background
In the prior art, the production content of the bagged spring production equipment mainly comprises the following steps: heating and winding the steel wire to form a spring, then loading the spring into a non-woven bag, and finally welding the spring into a bagged spring string. Wherein, to the spring that the line footpath is less and pitch is greater than the waist footpath, the decrement when improving its bagging-off can effectively improve off-the-shelf support nature, can practice thrift the steel wire material simultaneously. The bagged spring production equipment sold on the market at present mostly adopts a mode of conveying while compressing to compress the spring, namely, the spring is conveyed through a conveying channel with wide inlet and narrow outlet formed by two conveying pieces with certain included angles, so that the compression of the spring is realized. However, due to the limitation of the size of the whole machine, a large amount of compression is required to be realized within a limited conveying distance, so that the spring is easy to arch in the compression process, and the spring is easy to fall off in the compression process.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the spring conveying device provided by the invention has the advantages that the spring is limited by the limiting mechanism in the process of compressing and conveying the spring, so that the spring is prevented from arching in the process of compressing and conveying, and the spring is prevented from falling off in the process of compressing and conveying.
The invention also provides a bagged spring production device with the spring conveying device.
The spring conveying device according to the embodiment of the first aspect of the invention comprises: the compression mechanism comprises a first conveying belt and a second conveying belt which are symmetrically arranged, the first conveying belt and the second conveying belt are arranged at intervals, and at least one part of the first conveying belt and the second conveying belt are arranged in a V shape, so that a conveying channel which is provided with a wide end and a narrow end and used for compressing a conveying spring is formed in a gap between the first conveying belt and the second conveying belt; the conveying mechanism is positioned above the compression mechanism and can convey the spring to the compression mechanism, the conveying mechanism comprises a first closed annular conveying piece, a plurality of magnetic bases used for adsorbing and fixing the spring are arranged on the first annular conveying piece, the magnetic bases are arranged at intervals along a conveying path of the first annular conveying piece, and the conveying path at the lower part of the first annular conveying piece at least can cover the conveying channel; and the limiting mechanism is positioned below the compression mechanism and is used for being matched with the conveying mechanism to limit the spring from arching in the compression conveying process.
The spring conveying device provided by the embodiment of the invention has at least the following beneficial effects: the spring is limited by the limiting mechanism in the process of compressing and conveying the spring, so that the spring is prevented from arching in the compression and conveying process, and the spring is prevented from falling off in the compression and conveying process.
According to some embodiments of the invention, the magnetic base is provided with a first limit groove for limiting.
According to some embodiments of the present invention, the limiting mechanism includes a second annular conveying member in a closed shape, a conveying speed of the second annular conveying member is the same as a conveying speed of the first annular conveying member, a plurality of limiting members corresponding to the plurality of magnetic bases one by one are arranged on the second annular conveying member at intervals along a conveying path of the second annular conveying member, the conveying path on the upper portion of the second annular conveying member can at least cover the conveying channel, the limiting members can be matched with the corresponding magnetic bases, and at least can limit the spring from arching in a vertical direction during the compression conveying process.
According to some embodiments of the invention, the limiting mechanism further comprises a limiting baffle vertically arranged in the middle of the magnetic base or the limiting piece, and the limiting baffle can limit the spring from arching backwards along the conveying direction in the compression conveying process.
According to some embodiments of the invention, the stopper is a magnetic member.
According to some embodiments of the invention, the limiting member is provided with a second limiting groove for limiting.
According to some embodiments of the invention, the limiting mechanism comprises an endless conveyor belt, the bearing area of the upper part of which at least covers the conveying channel, so that the endless conveyor belt can cooperate with the magnetic base and at least limit the spring from arching in the vertical direction during compression conveying.
According to some embodiments of the invention, the limiting mechanism comprises a support plate, the bearing area of the support plate at least can cover the conveying channel, so that the support plate can be matched with the magnetic base, and at least the spring can be limited from being arched along the vertical direction in the process of compression conveying.
According to some embodiments of the invention, the limiting mechanism comprises a roller assembly, the bearing area of the upper part of which is at least capable of covering the conveying channel, so that the roller assembly can be mutually matched with the magnetic base and at least capable of limiting the spring from arching along the vertical direction during the compression conveying process.
According to some embodiments of the invention, the limiting mechanism further comprises a limiting baffle vertically arranged in the middle of the magnetic base, and the limiting baffle can limit the spring from being arched backwards along the conveying direction in the compression conveying process.
According to a second aspect embodiment of the invention, the pocket spring production equipment comprises the spring conveying device according to the first aspect embodiment of the invention.
The pocket spring production equipment provided by the embodiment of the invention at least has the following beneficial effects: by adopting the spring conveying device, the spring is limited by the limiting mechanism in the process of compressing and conveying the spring, so that the spring is prevented from arching in the compression conveying process, and the spring is prevented from falling off in the compression conveying process.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of a spring conveying device when a limiting mechanism of an embodiment of the invention adopts a first annular conveying member and a limiting baffle is not arranged;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a schematic view of a part of the spring conveying device when the limiting mechanism of another embodiment of the present invention adopts the first annular conveying member and is not provided with a limiting baffle;
FIG. 4 is a schematic top view of a compression mechanism according to an embodiment of the invention;
FIG. 5 is a schematic structural view of the spring conveying device when the limiting mechanism of the embodiment of the invention adopts the first annular conveying member and the limiting baffle is arranged on the limiting member;
FIG. 6 is an enlarged view of a portion of FIG. 5 at B;
FIG. 7 is a schematic view of the structure of FIG. 5 showing a retainer and an uncompressed spring;
FIG. 8 is a schematic diagram of the structure of FIG. 5 showing the position limiting member and the spring after compression;
FIG. 9 is a schematic top view of the arrangement of FIG. 5 with the transport mechanism hidden;
FIG. 10 is an enlarged view of a portion of FIG. 9 at C;
FIG. 11 is a schematic structural view of the spring conveyor when the limiting mechanism of the embodiment of the invention adopts the first annular conveying member and the limiting baffle is arranged on the magnetic base;
FIG. 12 is an enlarged partial schematic view at D of FIG. 11;
FIG. 13 is a schematic view of the magnetic base and uncompressed spring of the structure of FIG. 11;
FIG. 14 is a schematic view of the magnetic base and the spring shown in FIG. 11 after compression;
FIG. 15 is a schematic structural view of a spring conveyor apparatus when an endless conveyor belt is used as a limiting mechanism according to an embodiment of the present invention;
fig. 16 is a schematic structural view of the spring conveying device when the limiting mechanism of the embodiment of the invention adopts a supporting plate.
Reference numerals are as follows:
the device comprises a spring a, a compression mechanism 100, a first conveying belt 110, a second conveying belt 120, a wide end 130, a narrow end 140, a conveying mechanism 200, a first annular conveying element 210, a magnetic base 220, a first V-shaped groove 221, a limiting mechanism 300, a second annular conveying element 310, a limiting element 320, a second V-shaped groove 321, a limiting baffle 330, an annular conveying belt 340 and a supporting plate 350.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that if an orientation description is referred to, for example, the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if several, more than, less than, more than, above, below, or within words appear, several means are one or more, several means are two or more, more than, less than, more than, etc. are understood as not including the number, and more than, less than, within, etc. are understood as including the number.
In the description of the present invention, if the first, second, etc. terms appear, they are only used for distinguishing technical features, but are not to be interpreted as indicating or implying relative importance or implying number of indicated technical features or implying precedence of indicated technical features.
In the description of the present invention, unless otherwise specifically limited, terms such as set, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention by combining the specific contents of the technical solutions.
Referring to fig. 1 and 4, the spring feeding device according to the embodiment of the present invention includes a compressing mechanism 100, a feeding mechanism 200, and a position limiting mechanism 300.
The compression mechanism 100 includes a first conveyor belt 110 and a second conveyor belt 120, which are symmetrically arranged, at least a portion of the first conveyor belt 110 and the second conveyor belt 120 are arranged at intervals in a V-shape, so that a gap between the first conveyor belt 110 and the second conveyor belt 120 forms a conveying channel having a wide end 130 and a narrow end 140, and used for compressing and conveying the spring a, that is, a funnel-shaped conveying channel, from the wide end 130 to the narrow end 140 of the conveying channel, so as to achieve compression and conveyance of the spring a, the conveying mechanism 200 is located above the compression mechanism 100 and can convey the spring a to the compression mechanism 100, the conveying mechanism 200 includes a first endless conveying member 210 in a closed shape, specifically, the first endless conveying member 210 may be a chain or a conveyor belt, which is not limited herein, a plurality of magnetic bases 220 for adsorbing and fixing the spring a are provided on the first endless conveying member 210, the plurality of magnetic bases 220 are uniformly spaced along a conveying path of the first endless conveying member 210, the conveying path at least can cover the conveying channel at a lower portion of the first endless conveying member 210, the conveying mechanism 300 is located below the compression mechanism 300 for limiting and matched with the conveying mechanism in a limiting process.
Spring a is spacing through stop gear 300 at the in-process that compression carried spring a, is favorable to preventing that spring a from arching at the in-process that compression was carried to be favorable to preventing that spring a from droing at the in-process that compression was carried. Specifically, the spring a is conveyed from the conveying mechanism 200 to the compressing mechanism 100 and enters the conveying channel to start compression conveying, and at this time, the spring a is not separated from the magnetic base 220, that is, the spring a is always limited by the magnetic base 220 and the limiting mechanism 300 in the compression conveying process, until the spring a completes compression, the magnetic base 220 and the limiting mechanism 300 are separated from the spring a which completes compression, so that the spring a which completes compression is loaded into the nonwoven fabric bag.
Referring to fig. 1, 5, 6, 11 and 12, in some embodiments, the limiting mechanism 300 includes a second annular conveying member 310 in a closed shape, specifically, the second annular conveying member 310 may be a chain or a conveyor belt, and is not limited herein, a conveying speed of the second annular conveying member 310 is the same as a conveying speed of the first annular conveying member 210, a plurality of limiting members 320 corresponding to the plurality of magnetic bases 220 are provided at intervals along a conveying path of the second annular conveying member 310, the conveying path on the upper portion of the second annular conveying member 310 at least can cover the conveying channel, so that a stroke of the limiting members 320 at least can cover a stroke of the spring a for compression conveying, so that the limiting members 320 can cooperate with the corresponding magnetic bases 220 and at least can limit the spring a from rising in a vertical direction during compression conveying, specifically, during compression conveying of the spring a, the spring a is sandwiched between the magnetic bases 220 and the limiting members 320, so that the spring a can be limited from rising in the vertical direction, and further, the spring a can be prevented from falling off during compression conveying.
Referring to fig. 5 to 10, in some embodiments, the limiting mechanism 300 further includes a limiting baffle 330 vertically disposed in the middle of the limiting member 320, specifically, the limiting baffle 330 is disposed in the middle, the limiting baffle 330 can limit the spring a from arching backwards along the conveying direction during the compression conveying process, and in the process of compressing and conveying the spring a, when the limiting member 320 is abutted to the magnetic base 220, the limiting baffle 330 on the limiting member 320 can be inserted in the middle of the spring a that is fixedly attached to the magnetic base 220 in an adsorbing manner, so that when the limiting member 320 is fed forwards along the conveying direction of the spring a, a forward driving force can be applied to the spring a through the limiting baffle 330, thereby assisting the spring a to be fed forwards along the conveying direction and preventing the spring a from arching backwards along the conveying direction, and further facilitating to prevent the spring a from falling off during the compression conveying process.
Referring to fig. 11 to 14, in other embodiments, the limit stopper 330 is vertically disposed in the middle of the magnetic base 220, specifically, the limit stopper 330 is disposed in the middle of the spring a, and during the process of compressing and conveying the spring a, when the magnetic base 220 is fed forward along the conveying direction of the spring a, a forward driving force can be applied to the spring a through the limit stopper 330, so that the forward feeding of the spring a along the conveying direction can be assisted, and the spring a is prevented from being arched backwards along the conveying direction, which is further beneficial to preventing the spring a from falling off during the process of compression and conveying.
It should be noted that, in some other embodiments, the limiting baffle may also be disposed at a side portion of the limiting member or the magnetic base and configured to be blocked at a side portion of the spring a, and during the process of compressing and conveying the spring a, the limiting baffle blocked at the side portion of the spring a can limit the spring a from arching backwards in the conveying direction of the spring a, so as to be beneficial to preventing the spring a from falling off during the process of compressing and conveying, which is not limited herein.
It should be noted that, in some embodiments, the limiting member 320 is a magnetic member, so that the limiting member 320 has an adsorption fixing effect on the spring a, which is beneficial to further preventing the spring a from arching in the compression conveying process, and thus is beneficial to further preventing the spring a from falling off in the compression conveying process.
Referring to fig. 2, 13 and 14, in some embodiments, a first limiting groove 221 for limiting is provided on the magnetic base 220, specifically, the first limiting groove 221 is a V-shaped groove, and the first limiting groove 221 can limit the forward and backward movement of the spring a relative to the magnetic base 220, which is beneficial to preventing the spring a from arching forward or backward in the compression conveying process, so as to be beneficial to preventing the spring a from falling off in the compression conveying process, referring to fig. 3, in some other embodiments, the first limiting groove is an arc-shaped groove, and of course, the first limiting groove may also be in other shape structures capable of limiting, which is not limited herein.
Referring to fig. 2, 11 and 12, in some embodiments, the limiting member 320 is provided with a second limiting groove 321 for limiting, specifically, the second limiting groove 321 is a V-shaped groove, and the second limiting groove 321 can limit the spring a from moving back and forth relative to the limiting member 320, so as to prevent the spring a from arching forward or backward during the compression conveying process, so as to prevent the spring a from falling off during the compression conveying process, referring to fig. 3, in some other embodiments, the second limiting groove is an arc-shaped groove, of course, the second limiting groove may also be in another shape structure capable of limiting, which is not limited herein, wherein when the magnetic base 220 is abutted to the limiting member 320, an upper portion of the spring a is at least partially embedded in the first limiting groove 221, and a lower portion of the spring a is at least partially embedded in the second limiting groove 321, that a minimum distance between the magnetic base 220 and the limiting member 320 is smaller than a waist diameter of the spring a, so that the spring a sandwiched between the magnetic base 220 and the limiting member 320 can be simultaneously subjected to a distance in the upper, lower, front, rear, and rear directions during the compression conveying, so as to prevent the spring a distance between the spring base 220 and the magnetic base 320 from interfering with the conveying belt in the vertical conveying direction, so as to prevent the second limiting member 120 from being slightly larger than the first limiting belt from being compressed and the second limiting belt 120, and the vertical conveying belt, and the second belt 320, and the vertical conveying belt.
Referring to fig. 15, in some other embodiments, the limiting mechanism 300 includes an endless conveyor belt 340, the supporting region on the upper portion of the endless conveyor belt 340 at least covers the conveying channel, so that the supporting region on the upper portion of the endless conveyor belt 340 at least can support the spring a that is located in the conveying channel for compression conveying, so that the endless conveyor belt 340 can cooperate with the magnetic base 220 and at least can limit the spring a from arching in the vertical direction during the compression conveying process, and during the compression conveying process, the spring a is sandwiched between the magnetic base 220 and the supporting region on the upper portion of the endless conveyor belt 340, so that the spring a can be restrained from arching in the vertical direction, and thus the spring a can be prevented from falling off during the compression conveying process.
Referring to fig. 16, in some other embodiments, the limiting mechanism 300 includes a supporting plate 350, the supporting area of the supporting plate 350 at least can cover the conveying channel, so that the supporting area of the supporting plate 350 at least can support the spring a that is located in the conveying channel for compression conveying, so that the supporting plate 350 can cooperate with the magnetic base 220 and at least can limit the spring a from arching along the vertical direction in the compression conveying process, in the compression conveying process of the spring a, the spring a is sandwiched between the magnetic base 220 and the supporting area of the supporting plate 350, so that the spring a can be limited from arching in the vertical direction, and thus the spring a can be prevented from falling off in the compression conveying process, and the structure is simple and easy to implement.
It should be noted that, in some other embodiments, the limiting mechanism 300 includes a roller assembly (not shown in the drawings), the roller assembly includes a plurality of rotatable rollers for supporting the springs a, the supporting region of the upper portion of the roller assembly at least covers the conveying channel, so that the supporting region of the upper portion of the roller assembly at least can support the springs a which are located in the conveying channel for compression conveying, so that the roller assembly can cooperate with the magnetic base 220 and at least can limit the springs a from arching in the vertical direction during compression conveying, and during compression conveying of the springs a, the springs a are sandwiched between the magnetic base 220 and the supporting region of the upper portion of the roller assembly, so that the springs a can be arched in the vertical direction, thereby being beneficial to prevent the springs a from falling off during compression conveying, and the structure is simple and easy to implement.
It should be noted that, when the limiting mechanism 300 adopts one of the above-mentioned endless conveyor belt 340, the supporting plate 350, and the roller assembly, the above-mentioned limiting baffle 330 needs to be disposed on the magnetic base 220.
According to the embodiment of the invention, the pocket spring production equipment comprises the spring conveying device.
By adopting the spring conveying device, the spring a is limited by the limiting mechanism 300 in the process of compressing and conveying the spring a, so that the spring a is prevented from arching in the compression and conveying process, and the spring a is prevented from falling off in the compression and conveying process.
In the description of the present specification, if reference is made to "one embodiment", "some embodiments", "illustrative embodiments", "example", "specific example" and "some examples" or the like, this means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (11)
1. A spring delivery apparatus, comprising:
the compression mechanism comprises a first conveying belt and a second conveying belt which are symmetrically arranged, the first conveying belt and the second conveying belt are arranged at intervals, and at least one part of the first conveying belt and the second conveying belt are arranged in a V shape, so that a conveying channel which is provided with a wide end and a narrow end and used for compressing a conveying spring is formed in a gap between the first conveying belt and the second conveying belt;
the conveying mechanism is positioned above the compression mechanism and can convey the spring to the compression mechanism, the conveying mechanism comprises a first closed annular conveying piece, a plurality of magnetic bases used for adsorbing and fixing the spring are arranged on the first annular conveying piece, the magnetic bases are arranged at intervals along a conveying path of the first annular conveying piece, and the conveying path at the lower part of the first annular conveying piece at least can cover the conveying channel;
and the limiting mechanism is positioned below the compression mechanism and is used for matching with the conveying mechanism to limit the spring from arching in the compression conveying process.
2. The spring conveying device according to claim 1, wherein a first limiting groove for limiting is formed on the magnetic base.
3. The spring conveying device according to claim 1, wherein the limiting mechanism comprises a second annular conveying member in a closed shape, the conveying speed of the second annular conveying member is the same as the conveying speed of the first annular conveying member, a plurality of limiting members corresponding to the plurality of magnetic bases are arranged on the second annular conveying member at intervals along the conveying path of the second annular conveying member, the conveying path on the upper portion of the second annular conveying member at least can cover the conveying channel, and the limiting members can be matched with the corresponding magnetic bases and at least can limit the spring from arching in the vertical direction during the compression conveying process.
4. The spring conveying device according to claim 3, wherein the limiting mechanism further comprises a limiting baffle vertically arranged in the middle of the magnetic base or the limiting member, and the limiting baffle can limit the spring from arching backwards along the conveying direction during the compression conveying process.
5. The spring feeding device according to claim 3, wherein the stopper is a magnetic member.
6. The spring feeding device according to claim 3, wherein the stopper is provided with a second stopper groove for stopper.
7. The spring conveyor assembly of claim 1 wherein said spacing mechanism comprises an endless conveyor belt having an upper bearing area at least overlying said conveyor channel to enable said endless conveyor belt to interact with said magnetic base and at least limit vertical spring arching during compression conveyance.
8. The spring conveyor of claim 1 wherein the stop mechanism includes a support plate having a seating area at least capable of covering the conveyor channel to enable the support plate to interact with the magnetic base and at least limit spring arching in a vertical direction during compression conveyance.
9. The spring conveyor of claim 1 wherein the restraining mechanism includes a roller assembly having an upper bearing area at least covering the conveyor channel to allow the roller assembly to interact with the magnetic base and at least limit vertical spring arching during compression conveyance.
10. The spring conveying device according to any one of claims 7 to 9, wherein the limiting mechanism further comprises a limiting baffle vertically arranged in the middle of the magnetic base, and the limiting baffle can limit the spring from arching backwards along the conveying direction during compression conveying.
11. A pocket spring production plant, characterized in that it comprises a spring conveyor according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211347455.1A CN115709872A (en) | 2022-10-31 | 2022-10-31 | Spring conveyor and bagged spring production facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211347455.1A CN115709872A (en) | 2022-10-31 | 2022-10-31 | Spring conveyor and bagged spring production facility |
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| Publication Number | Publication Date |
|---|---|
| CN115709872A true CN115709872A (en) | 2023-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211347455.1A Pending CN115709872A (en) | 2022-10-31 | 2022-10-31 | Spring conveyor and bagged spring production facility |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116618264A (en) * | 2023-06-30 | 2023-08-22 | 耐落螺丝(昆山)有限公司 | Fastener leak protection stoving device of precoating |
-
2022
- 2022-10-31 CN CN202211347455.1A patent/CN115709872A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116618264A (en) * | 2023-06-30 | 2023-08-22 | 耐落螺丝(昆山)有限公司 | Fastener leak protection stoving device of precoating |
| CN116618264B (en) * | 2023-06-30 | 2024-03-19 | 耐落螺丝(昆山)有限公司 | Fastener leak protection stoving device of precoating |
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