CN212711369U - Screw feeder - Google Patents
Screw feeder Download PDFInfo
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- CN212711369U CN212711369U CN202021046121.7U CN202021046121U CN212711369U CN 212711369 U CN212711369 U CN 212711369U CN 202021046121 U CN202021046121 U CN 202021046121U CN 212711369 U CN212711369 U CN 212711369U
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Abstract
The utility model discloses a screw feeder, include: the feeding device comprises a barrel, wherein a feeding screw is arranged in the barrel, the end part of the feeding screw is in insulated connection with the barrel, an insulating layer is arranged on the inner wall of the barrel, and a non-conductive coating is arranged on the surface of the feeding screw; alarm device, alarm device pass through first wire and pay-off spiral electric connection, and alarm device still links to each other with the inner chamber of barrel through the second wire. The screw feeder can automatically judge whether the non-conductive coating on the surface of the feeding screw is worn and falls off or not, and an alarm device gives an alarm when the non-conductive wear-resistant coating on the surface of the feeding screw is worn and falls off.
Description
Technical Field
The utility model relates to a screw feeder technical field particularly, relates to a screw feeder that has pay-off spiral wear alarming function suitable for carry lithium electricity material.
Background
At present, a large amount of materials are conveyed by a screw feeder in the production process of the lithium battery industry; because the lithium battery material has extremely high control requirement on the magnetic foreign matters and often meets the ppb level (billionth), the screw feeder used in the lithium battery industry carries out internal spraying treatment (both the surface of the screw and the inner wall of the cylinder carry out spraying) so as to prevent the materials from directly contacting with metals.
However, after the screw feeder is used for a long time, the feeding screw of the screw feeder is normally worn, the wear-resistant coating on the surface of the feeding screw is partially peeled off, and if the feeding screw is normally worn, magnetic foreign matters in conveyed materials may be increased. The existing screw feeder can not detect whether the feeding screw is worn or not in time.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide a screw feeder to solve the problem whether wear and tear appear in the wear-resisting coating that screw feeder among the prior art can't in time detect pay-off spiral surface.
In order to achieve the above object, the utility model provides a screw feeder, include:
the feeding device comprises a barrel, wherein a feeding screw is arranged in the barrel, the end part of the feeding screw is in insulated connection with the barrel, an insulating layer is arranged on the inner wall of the barrel, and a non-conductive coating is arranged on the surface of the feeding screw;
alarm device, alarm device pass through first wire and pay-off spiral electric connection, and alarm device still links to each other with the inner chamber of barrel through the second wire.
Furthermore, a through hole is formed in the barrel, an insulating block is embedded in the through hole, a connecting bolt penetrates through the insulating block, the end portion of the connecting bolt is connected with the inner cavity of the barrel, and a second wire is connected to the connecting bolt.
Further, the non-conductive coating is an aluminum oxide coating; the insulating layer is a sprayed ETFE or PTFE coating or a stuck PP plate.
Furthermore, a bearing support is installed at the end part of the cylinder body, a bearing is installed on the bearing support, the end part of the feeding spiral is rotatably installed on the bearing, the cylinder body is in insulated connection with the bearing support, and the first lead is connected to the bearing and is connected with the feeding spiral through the bearing.
Furthermore, the end of the barrel is provided with a first flange, the bearing support is provided with a second flange, the barrel is connected with the bearing support through bolts penetrating through the first flange and the second flange, a first insulating pad is arranged between the first flange and the second flange, and an insulating sleeve is sleeved outside the bolts.
Further, the hole walls of the bolt holes in the first flange and the second flange are provided with insulating coatings, the bolts are sleeved with nuts, and second insulating pads are arranged between the nuts and the second flange.
Furthermore, a sealing device is arranged in the bearing support, the sealing device is sleeved at the end part of the feeding spiral, the end face of the sealing device is in contact with the cylinder body, and the end face of the sealing device in contact with the cylinder body is provided with an insulating coating.
By applying the technical scheme of the utility model, the surface of the feeding screw is provided with the non-conducting coating, the inner wall of the cylinder is provided with the insulating layer, the alarm device is arranged, one wiring end of the alarm device is electrically connected with the feeding screw through the first wire, and the other wiring end of the alarm device is connected with the inner cavity of the cylinder through the second wire; when the conveyed materials are wet materials, the screw feeder can automatically judge whether the non-conductive coating on the surface of the feeding screw is abraded and falls off or not, and an alarm device gives an alarm when the non-conductive coating on the surface of the feeding screw is abraded and falls off.
The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a screw feeder according to an embodiment of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a partially enlarged view of B in fig. 1.
Wherein the figures include the following reference numerals:
10. a barrel; 11. feeding a screw; 12. a first flange; 13. a feed inlet; 14. a discharge port; 15. a viewing port; 30. a first conductive line; 50. an alarm device; 60. a second conductive line; 80. an insulating block; 90. a connecting bolt; 110. a bearing support; 111. a second flange; 120. a bearing; 130. a bolt; 131. a nut; 140. a first insulating pad; 150. a second insulating pad; 160. and (7) sealing the device.
Detailed Description
To facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the specific embodiments described below. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather the intention is merely to facilitate a distinction between corresponding parts. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
Referring to fig. 1 to 3, a screw feeder according to an embodiment of the present invention is particularly suitable for feeding wet lithium battery materials. As can be seen from the figure, the screw feeder mainly comprises a cylinder 10 and an alarm device 50, wherein a feed inlet 13 is arranged at the upper side of one end of the cylinder 10, a discharge outlet 14 is arranged at the lower side of the other end of the cylinder 10, and an observation port 15 is arranged at the upper side of one end of the cylinder 10 close to the discharge outlet 14; a feeding screw 11 is rotatably installed in the cylinder 10, two end parts of the feeding screw 11 are in insulation connection with the cylinder 10, an insulation layer is arranged on the inner wall of the cylinder 10, and a non-conductive wear-resistant coating is sprayed on the surface of the feeding screw 11; one terminal of the alarm device 50 is electrically connected with the feeding screw 11 through a first conducting wire 30, the other terminal of the alarm device 50 is connected with the inner cavity of the cylinder body 10 through a second conducting wire 60, and the second conducting wire 60 is not electrically contacted with the cylinder wall of the cylinder body 10. Specifically, the insulating layer on the inner wall of the cylinder 10 may be a non-metallic insulating layer such as a sprayed ETFE (ethylene-tetrafluoroethylene copolymer) coating, a PTFE (polytetrafluoroethylene) coating, or a bonded PP (polypropylene) plate; while the non-conductive wear resistant coating on the surface of the feed screw 11 may be an alumina coating.
In the screw feeder, the non-conductive wear-resistant coating is arranged on the surface of the feeding screw 11, the insulating layer is arranged on the inner wall of the cylinder 10, the alarm device 50 is arranged, one terminal of the alarm device 50 is electrically connected with the feeding screw 11 through the first lead 30, and the other terminal of the alarm device 50 is connected with the inner cavity of the cylinder 10 through the second lead 60; when the conveyed material is wet material, the screw feeder can automatically judge whether the non-conductive wear-resistant coating on the surface of the feeding screw 11 is worn and falls off normally, and an alarm device 50 gives an alarm when the non-conductive wear-resistant coating on the surface of the feeding screw 11 is worn and falls off.
The working principle of automatically judging whether the non-conductive wear-resistant coating on the surface of the feeding screw 11 is normally worn and falls off is as follows: when the non-conductive wear-resistant coating on the surface of the feeding spiral 11 is not worn, the non-conductive wear-resistant coating on the surface of the feeding spiral 11 is complete, a closed loop cannot be formed among the second alarm device 50, the first lead 30, the feeding spiral 11, the wet material and the second lead 60, and at the moment, the second alarm device 50 does not give an alarm; when the feeding screw 11 is worn, the non-conductive wear-resistant coating on the surface of the feeding screw 11 partially falls off, a closed loop (a power supply is also arranged in the loop and is not shown in the figure) is formed among the second alarm device 50, the first lead 30, the feeding screw 11, the wet material and the second lead 60, and the second alarm device 50 is powered on to give an alarm to remind an operator to process. The situation that the magnetic foreign matters in the lithium battery material exceed the standard due to the fact that the non-conductive wear-resistant coating on the surface of the feeding spiral 11 is worn and falls off is avoided, and the troubleshooting time of the reason that the magnetic foreign matters exceed the standard is saved.
Specifically, in this embodiment, a through hole is formed in the cylinder 10, an insulating block 80 is embedded in the through hole, a connecting bolt 90 is inserted into the insulating block 80, an end of the connecting bolt 90 is connected to the inner cavity of the cylinder 10, and the second wire 60 is connected to the connecting bolt 90. So set up, can be connected second wire 60 with the inner chamber of barrel 10, make second wire 60 can contact with wet material, simultaneously, can avoid second wire 60 and barrel 10 direct contact.
Specifically, in the present embodiment, a bearing support 110 is installed at an end of the cylinder 10, a bearing 120 is installed on the bearing support 110, an end of the feed screw 11 is rotatably installed on the bearing 120, and the cylinder 10 is connected to the bearing support 110 in an insulating manner; the first wire 30 is connected to the bearing 120 and is connected to the feed screw 11 via the bearing 120.
Further, in the present embodiment, a first flange 12 is provided at an end of the cylinder 10, a second flange 111 is provided on the bearing support 110, and the cylinder 10 and the bearing support 110 are connected by bolts 130 penetrating through the first flange 12 and the second flange 111. A first insulating gasket 140 is provided between the first flange 12 and the second flange 111, and an insulating sleeve is fitted over the bolt 130. With this arrangement, the first insulating gasket 140 is disposed between the first flange 12 and the second flange 111, and the insulating sleeve is sleeved outside the bolt 130, so that the insulating connection between the cylinder 10 and the bearing support 110 can be effectively performed. Specifically, the first insulating pad 140 is a non-metal non-conductive pad, and the insulating sleeve outside the bolt 130 may be a heat-shrinkable tube.
In order to further improve the insulation between the cylinder 10 and the bearing support 110, in this embodiment, the bolt holes on the first flange 12 and the second flange 111 are subjected to insulation treatment, and the hole walls thereof are provided with insulating coatings (such as spraying non-metal non-conductive coatings); the nut 131 is sleeved on the bolt 130, and a second insulating pad 150 is further disposed between the nut 131 and the second flange 111, and the second insulating pad 150 may also be a non-metal non-conductive gasket. With such an arrangement, insulation between the cylinder 10 and the bearing holder 110 can be better ensured.
In this embodiment, a sealing device 160 is further disposed in the bearing support 110, the sealing device 160 is sleeved on the end of the feeding screw 11, and an end surface of the sealing device 160 contacts with the cylinder 10; the end face of the sealing device 160 contacting the cylinder 10 is insulated and provided with an insulating coating, specifically, a non-metal non-conductive coating can be sprayed or a non-metal non-conductive sleeve can be sleeved on the end face. This arrangement ensures insulation between the sealing device 160 and the cylindrical body 10. The sealing device 160 may be an existing air sealing device or a mechanical sealing device.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A screw feeder, characterized by comprising:
the device comprises a cylinder body (10), wherein a feeding spiral (11) is arranged in the cylinder body (10), the end part of the feeding spiral (11) is in insulation connection with the cylinder body (10), an insulation layer is arranged on the inner wall of the cylinder body (10), and a non-conductive coating is arranged on the surface of the feeding spiral (11);
alarm device (50), alarm device (50) through first wire (30) with pay-off spiral (11) electric connection, alarm device (50) still through second wire (60) with the inner chamber of barrel (10) links to each other.
2. A screw feeder according to claim 1, characterized in that the cylinder (10) is provided with a through hole, an insulating block (80) is embedded in the through hole, a connecting bolt (90) is arranged on the insulating block (80) in a penetrating manner, the end of the connecting bolt (90) is connected with the inner cavity of the cylinder (10), and the second wire (60) is connected to the connecting bolt (90).
3. A screw feeder according to claim 1, wherein the electrically non-conductive coating is an alumina coating; the insulating layer is a sprayed ETFE or PTFE coating or a pasted PP plate.
4. A screw feeder according to any one of claims 1-3, characterized in that a bearing support (110) is mounted at an end of the cylinder (10), a bearing (120) is mounted on the bearing support (110), an end of the feed screw (11) is rotatably mounted on the bearing (120), the cylinder (10) is in insulated connection with the bearing support (110), and the first wire (30) is connected to the bearing (120) and connected to the feed screw (11) through the bearing (120).
5. A screw feeder according to claim 4, characterized in that the end of the cylinder (10) is provided with a first flange (12), the bearing support (110) is provided with a second flange (111), the cylinder (10) and the bearing support (110) are connected through bolts (130) arranged on the first flange (12) and the second flange (111) in a penetrating manner, a first insulating pad (140) is arranged between the first flange (12) and the second flange (111), and an insulating sleeve is sleeved outside the bolts (130).
6. A screw feeder according to claim 5, characterized in that bolt hole walls on the first flange (12) and the second flange (111) are provided with insulating coatings, nuts (131) are sleeved on the bolts (130), and a second insulating pad (150) is arranged between the nuts (131) and the second flange (111).
7. A screw feeder according to claim 4, characterized in that a sealing device (160) is arranged in the bearing support (110), the sealing device (160) is sleeved on the end part of the feeding screw (11), the end surface of the sealing device (160) is contacted with the cylinder body (10), and the end surface of the sealing device (160) contacted with the cylinder body (10) is provided with an insulating coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021046121.7U CN212711369U (en) | 2020-06-09 | 2020-06-09 | Screw feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021046121.7U CN212711369U (en) | 2020-06-09 | 2020-06-09 | Screw feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212711369U true CN212711369U (en) | 2021-03-16 |
Family
ID=74951232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021046121.7U Active CN212711369U (en) | 2020-06-09 | 2020-06-09 | Screw feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212711369U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113772342A (en) * | 2020-06-09 | 2021-12-10 | 湖南杉杉能源科技股份有限公司 | Screw feeder |
-
2020
- 2020-06-09 CN CN202021046121.7U patent/CN212711369U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113772342A (en) * | 2020-06-09 | 2021-12-10 | 湖南杉杉能源科技股份有限公司 | Screw feeder |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 17-8 Lu Gu Lu Tian Lu, Changsha high tech Development Zone, Changsha City, Hunan Province Patentee after: BASF Shanshan battery material Co.,Ltd. Address before: 17-8 Lu Gu Lu Tian Lu, Changsha high tech Development Zone, Changsha City, Hunan Province Patentee before: Hunan Shanshan Energy Technology Co.,Ltd. Address after: 17-8 Lu Gu Lu Tian Lu, Changsha high tech Development Zone, Changsha City, Hunan Province Patentee after: Hunan Shanshan Energy Technology Co.,Ltd. Address before: 17-8 Lu Gu Lu Tian Lu, Changsha high tech Development Zone, Changsha City, Hunan Province Patentee before: HUNAN SHANSHAN ENERGY TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |