CN112238588A - A extrusion molding device for optical cable production line - Google Patents
A extrusion molding device for optical cable production line Download PDFInfo
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- CN112238588A CN112238588A CN202011069981.7A CN202011069981A CN112238588A CN 112238588 A CN112238588 A CN 112238588A CN 202011069981 A CN202011069981 A CN 202011069981A CN 112238588 A CN112238588 A CN 112238588A
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- optical cable
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- extrusion
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- 230000003287 optical effect Effects 0.000 title claims abstract description 49
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 24
- 230000000903 blocking effect Effects 0.000 claims abstract description 16
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000002245 particle Substances 0.000 abstract description 2
- 239000013307 optical fiber Substances 0.000 description 6
- 230000002337 anti-port Effects 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
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- 229910052751 metal Inorganic materials 0.000 description 2
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/287—Raw material pre-treatment while feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/06—Rod-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/297—Feeding the extrusion material to the extruder at several locations, e.g. using several hoppers or using a separate additive feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3462—Cables
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses an extrusion molding device for an optical cable production line, which comprises a base, an extrusion molding screw, a speed reducing motor, a feeding hole, a feeding bin, two material blocking plates, a storage cavity and a crushing cavity, wherein the two material blocking plates are driven by a driving assembly to synchronously and reversely rotate along the hinged part of the inner wall of the feeding bin, so that opposite ends of the two material blocking plates form a blanking space for optical cable raw materials to enter the crushing cavity, the top of the feeding bin is hinged with a cover plate, and the crushing cavity is rotatably connected with two extrusion rollers. The invention has the following beneficial effects: the raw materials of the optical cable are extruded and crushed by arranging the two extrusion rollers, the particle size of the raw materials of the optical cable is reduced, the extrusion molding screw rod convenient to extrude is subjected to extrusion molding, and the two material blocking plates are driven by the driving assembly to synchronously rotate reversely, so that opposite ends of the two material blocking plates can form blanking spaces for circulation of the raw materials of the optical cable, the circulation of the raw materials of the optical cable is limited, and the blocking phenomenon of the raw materials of the optical cable is avoided.
Description
Technical Field
The invention relates to the field of extrusion molding equipment, in particular to an extrusion molding device for an optical cable production line.
Background
An extruder is an important plastic machine, and most of the production and manufacture of plastic products can be realized by extrusion molding. The motor of the extruder is an important component of the extruder and is a prime mover of the extruder to provide the large thrust required by the screw of the extruder. A low-speed high-torque permanent magnet direct drive motor is designed for a current universal 90mm screw extruder, and has the advantages of high efficiency, high power density, good energy saving performance, high reliability, high control precision and the like. Meanwhile, various losses inevitably occur when the permanent magnet motor performs electromechanical energy conversion, and the losses are finally dissipated to the motor and surrounding cooling media in a thermal mode, so that analysis of motor temperature rise and design of a cooling system are important links for ensuring reliable operation of the permanent magnet motor by combining the combined action of the two aspects.
Optical fiber cables (optical fiber cables) are manufactured to meet optical, mechanical, or environmental performance specifications and are telecommunication cable assemblies that utilize one or more optical fibers disposed in a surrounding jacket as the transmission medium and that may be used individually or in groups. The optical cable is mainly composed of optical fibers (thin glass filaments like hair), a plastic protective sleeve and a plastic sheath, and metals such as gold, silver, copper and aluminum are not contained in the optical cable, so that the optical cable generally has no recycling value. The optical cable is a communication line which is formed by a certain number of optical fibers into a cable core in a certain mode, is externally coated with a sheath, and is also coated with an outer protective layer for realizing optical signal transmission. Namely: a cable formed by subjecting an optical fiber (optical transmission carrier) to a certain process. The basic structure of the optical cable generally comprises a cable core, a reinforcing steel wire, a filler, a sheath and other parts, and further comprises a waterproof layer, a buffer layer, an insulated metal wire and other components according to requirements.
The skin of optical cable is the plastics material, consequently during manufacturing process, it is usually processed to need to use the extruding machine, but current extruding machine is when carrying out the pay-off, because the granule size of optical cable raw materials is inconsistent, lead to the extrusion molding screw rod when carrying out the extrusion molding, extrusion molding's efficiency is lower, current extruding machine is when carrying out the pay-off in addition, generally directly pour the raw materials of optical cable into the feeding bin by the workman in, the action of gravity through the optical cable raw materials falls into in the feed inlet by oneself, this kind of mode has lead to feed inlet department probably to produce the jam, influence the feeding efficiency of extruding machine.
To solve the above problems, we therefore propose an extrusion device for an optical cable production line.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art, and to solve the technical problem, the invention provides the following technical scheme:
the invention provides an extrusion molding device for an optical cable production line, which comprises a base of an extrusion molding machine, wherein an extrusion molding screw rod is horizontally and rotatably connected to the base and is driven to rotate by a speed reducing motor arranged on the base, a feed inlet is arranged on the base, the upper end opening part of the feed inlet is in through connection with a feed bin, two material blocking plates are symmetrically hinged in the feed bin along the axis of the feed bin, when the two material blocking plates rotate to be in a horizontal state, the feed bin is sequentially divided into a material storage cavity and a crushing cavity from top to bottom, the two material blocking plates are driven to synchronously and reversely rotate along the hinged part with the inner wall of the feed bin by a driving assembly, so that opposite ends of the two material blocking plates form a blanking space for optical cable raw materials to enter the crushing cavity, the top of the feed bin is opened and hinged with a cover plate for sealing the opening part, two the squeeze roll is used for extrudeing, smashing the optical cable raw materials that fall down by the blanking space, and the optical cable raw materials after extrusion, smashing fall into the frame by the feed inlet in, by the extrusion molding screw rod carries out the extrusion molding, two the squeeze roll is by two synchronous antiport of outside motor drive respectively.
Preferably, the driving assembly comprises two cams which are horizontally and rotatably connected to the inner wall of the crushing cavity, the cams are located below the striker plate, the highest points on the cams intermittently abut against the striker plate when the cams rotate, the striker plate rotates along the hinged position of the inner wall of the feeding bin, a rotating shaft is horizontally arranged on the feeding bin in a penetrating mode, two ends of the length direction of the rotating shaft are respectively provided with a first worm and a second worm which are opposite in spiral rotating direction, worm wheels are fixedly connected to the cams and are meshed with the first worm and the second worm respectively.
Preferably, the rotating shaft is driven to rotate by a servo motor arranged on the outer wall of the feeding bin.
Preferably, the press roll is made of a stainless steel material.
Preferably, the lower port part of the feeding bin is gradually bunched.
Preferably, the cover plate is driven by the opening and closing driving assembly to rotate along the hinged position of the feeding bin, so that the opening of the feeding bin is opened.
Preferably, the opening and closing driving assembly comprises a fixing frame arranged on the outer wall of the feeding bin, a mounting seat is hinged to the fixing frame, a driving element is mounted on the mounting seat and is connected with a connecting block in a driving mode, a connecting arm extending upwards in an inclined mode is arranged at one end, close to the hinged portion of the cover plate and the feeding bin, of the cover plate, one end, far away from the cover plate, of the connecting arm is hinged to the connecting block, the driving element drives the connecting block to move, and therefore the connecting arm drives the cover plate to turn over along the hinged portion of the cover plate and.
Preferably, the driving element is a telescopic cylinder, and a cylinder rod of the telescopic cylinder is in threaded connection with the connecting block.
Compared with the prior art, the invention has the following beneficial effects: extrude smashing the raw materials of optical cable through setting up two squeeze rolls, the particle size of optical cable raw materials has been reduced, the extrusion molding screw rod of being convenient for carries out the extrusion molding, drive its synchronous antiport by drive assembly through setting up two striker plates, make the looks remote site of two striker plates can form the blanking space that supplies the circulation of optical cable raw materials, the circulation of optical cable raw materials has been restricted, and then the blocking phenomenon of optical cable raw materials has been avoided, it is by the pivot to have set up drive assembly in addition, the worm wheel, the cam is constituteed, rotation through the pivot, make the synchronous antiport of two worm wheels, and then make the synchronous antiport of two striker plates, moreover, the steam generator is simple in structure, and low.
Drawings
The accompanying drawings, which 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 principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the general assembly of an extrusion apparatus for use in a cable manufacturing line according to the present invention;
FIG. 2 is a schematic view of two striker plates after relative rotation according to an embodiment of the present invention;
in the figure: 1-speed reduction motor, 2-feed inlet, 3-crushing cavity, 4-worm wheel, 5-storage cavity, 6-feeding bin, 7-cam, 8-first worm, 9-material baffle, 10-cover plate, 11-connecting arm, 12-connecting block, 13-telescopic cylinder, 14-mounting seat, 15-fixing frame, 16-servo motor, 17-second worm, 18-extrusion roller, 19-extrusion screw and 20-base.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Examples
As shown in fig. 1-2, an extrusion molding device for an optical cable production line comprises a base 20 of an extrusion molding machine, wherein an extrusion molding screw 19 is horizontally and rotatably connected to the base 20, the extrusion molding screw 19 is driven by a speed reduction motor 1 installed on the base 20 to rotate, a feed inlet 2 is arranged on the base 20, a feed bin 6 is connected to an upper port of the feed inlet 2 in a through manner, two material baffles 9 are symmetrically hinged to the feed bin 6 along the axis of the feed bin 6, when the two material baffles 9 rotate to a horizontal state, the feed bin 6 is sequentially divided into a storage cavity 5 and a crushing cavity 3 from top to bottom, the two material baffles 9 are driven by a driving assembly to synchronously and reversely rotate along a hinge joint with the inner wall of the feed bin 6, opposite ends of the two material baffles form a blanking space for optical cable raw materials to enter the crushing cavity 3, the top of the feed bin 6 is open and hinged to a cover plate 10, smash the interior horizontal symmetry rotation of chamber 3 and be connected with two squeeze rolls 18, two squeeze rolls 18 are used for extrudeing, smashing the optical cable raw materials that falls down by the blanking space, and the optical cable raw materials after extrusion, smashing falls into frame 20 by feed inlet 2 in, by extrusion molding screw rod 19 carries out the extrusion molding, two squeeze rolls 18 is driven synchronous antiport by two outside motor respectively.
In this embodiment, preferably, the driving assembly includes two cams 7 horizontally and rotatably connected to the inner wall of the crushing cavity 3, the cams 7 are located below the striker plate 9, and when the cams rotate, the highest points on the cams intermittently abut against the striker plate 9, so that the striker plate 9 rotates along the hinge joint with the inner wall of the feeding bin 6, a rotating shaft horizontally penetrates through the feeding bin 6, two ends of the rotating shaft in the length direction are respectively provided with a first worm 8 and a second worm 17 with opposite spiral directions, two worm wheels 4 are respectively fixedly connected to the two cams 7, the two worm wheels 4 are respectively engaged with the first worm 8 and the second worm 17, and since the spiral directions of the first worm 8 and the second worm 17 are opposite, when the rotating shaft rotates, the two worm wheels 7 respectively perform spiral transmission with the first worm 8 and the second worm 17, so that the rotation directions of the two worm wheels 7 are opposite, the rotation directions of the two material blocking plates 9 are opposite because the rotation directions of the two worm wheels 7 are opposite.
In the embodiment, the rotating shaft is preferably driven to rotate by a servo motor 16 installed on the outer wall of the feeding bin 6, and the rotating shaft is driven to rotate by using the servo motor 16, so that the labor intensity of workers is reduced, and the working efficiency is improved.
In the present embodiment, it is preferable that the press roll 18 is made of a stainless steel material having corrosion resistance so that the press roll 18 is not easily rusted.
In the present embodiment, the lower end opening of the feeding bin 6 is preferably gradually narrowed, so that the raw material of the optical cable can enter the feeding port 2 more smoothly.
In this embodiment, preferably, the cover plate 10 is driven by the opening and closing driving assembly to rotate along the hinge joint with the feeding bin 6, so that the mouth of the feeding bin 6 is opened, and by providing the opening and closing driving assembly, the mouth of the feeding bin 6 can be opened without manual operation.
In this embodiment, preferably, the opening and closing driving assembly includes a fixed frame 15 disposed on an outer wall of the feeding bin 6, the fixed frame 15 is hinged to a mounting seat 14, a driving element is mounted on the mounting seat 14, the driving element is connected to a connecting block 12 in a driving manner, one end of the cover plate 10, which is close to a hinge of the cover plate and the feeding bin 6, is provided with a connecting arm 11 extending obliquely and upwardly, one end of the connecting arm 11, which is far away from the cover plate 10, is hinged to the connecting block 12, and the driving element drives the connecting block 12 to move, so that the connecting arm 11 drives the cover plate 10 to turn over along the hinge of the.
In this embodiment, preferably, the driving element is a telescopic cylinder 13, a cylinder rod of the telescopic cylinder 13 is in threaded connection with the connecting block 12, and because the cylinder rod of the telescopic cylinder 13 is in threaded connection with the connecting block 12, the connecting block 12 is convenient to mount and dismount, and the mounting efficiency is further improved, but the driving element may also be an element in other linear driving forms, such as a hydraulic cylinder or an electric push rod.
The working principle of the invention is as follows: the workman pours the optical cable raw materials into in the feed bin 6 by the oral area of feed bin 6, then start telescopic cylinder 13, telescopic cylinder 13's cylinder pole extension, make connecting block 12 drive linking arm 11 swing, and then make apron 10 close 6 oral area lids of feed bin, restart servo motor 16, servo motor 16 rotates, drive first worm 8, second worm 17 rotates, and then drive two worm wheel 7 rotations respectively, make the looks remote site of two striker plates 9 form a blanking space, the optical cable raw materials granule in the storage cavity 5 will get into crushing intracavity this moment, extrude crushing to the raw materials granule by two squeeze rolls, then get into in the frame 20 by the feed inlet, carry out the extrusion molding by gear motor 1 drive extrusion molding screw.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. 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 (8)
1. The extrusion molding device for the optical cable production line is characterized by comprising a base (20) of an extrusion molding machine, wherein the base (20) is horizontally and rotatably connected with an extrusion molding screw rod (19), the extrusion molding screw rod (19) is driven to rotate by a speed reducing motor (1) installed on the base (20), a feed inlet (2) is formed in the base (20), an upper port part of the feed inlet (2) is in through connection with a feed bin (6), two material blocking plates (9) are symmetrically hinged in the feed bin (6) along the axis of the feed bin, when the two material blocking plates (9) rotate to a horizontal state, the feed bin (6) is internally divided into a storage cavity (5) and a crushing cavity (3) from top to bottom in sequence, the two material blocking plates (9) are driven by a driving assembly to synchronously and reversely rotate along the hinged part of the inner wall of the feed bin (6), so that opposite ends of the two material blocking plates form a blanking space for optical cable raw materials to enter, the uncovered and articulated apron (10) that are used for sealing its oral area in top of pay-off storehouse (6), horizontal symmetry rotation is connected with two squeeze rolls (18), two in crushing chamber (3) squeeze roll (18) are used for extrudeing, smashing the optical cable raw materials that fall down by the blanking space, and the optical cable raw materials after extrusion, smashing falls into frame (20) by feed inlet (2) in, by extrusion molding screw rod (19) carry out the extrusion molding, two extrusion roll (18) are by two synchronous reverse rotations of outside motor drive respectively.
2. The extrusion molding device for the optical cable production line as claimed in claim 1, wherein the driving assembly comprises two cams (7) horizontally and rotatably connected to the inner wall of the crushing cavity (3), the cams (7) are located below the striker plate (9), and when the cams rotate, the highest points on the cams intermittently abut against the striker plate (9), so that the striker plate (9) rotates along the hinged position with the inner wall of the feeding bin (6), a rotating shaft horizontally penetrates through the feeding bin (6), a first worm (8) and a second worm (17) with opposite spiral directions are respectively arranged at two ends of the rotating shaft in the length direction, worm wheels (4) are fixedly connected to the two cams (7), and the two worm wheels (4) are respectively meshed with the first worm (8) and the second worm (17).
3. An extrusion device for an optical cable production line as claimed in claim 2, wherein said shaft is driven in rotation by a servomotor (16) mounted on the outer wall of the feeding hopper (6).
4. Extrusion apparatus for a cable manufacturing line according to claim 1, wherein said extrusion roller (18) is made of stainless steel material.
5. An extrusion molding apparatus for an optical cable production line as claimed in claim 1, wherein a lower port portion of said feed hopper (6) is tapered.
6. An extrusion molding apparatus for an optical cable production line as claimed in claim 1, wherein the cover plate (10) is driven by an opening and closing driving assembly to rotate along a hinge joint with the feeding bin (6) so as to open the mouth of the feeding bin (6).
7. An extrusion molding device for an optical cable production line according to claim 6, wherein the opening and closing driving assembly comprises a fixed frame (15) arranged on the outer wall of the feeding bin (6), a mounting seat (14) is hinged on the fixed frame (15), a driving element is mounted on the mounting seat (14), a connecting block (12) is connected on the driving element in a driving manner, a connecting arm (11) extending obliquely upwards is arranged at one end of the cover plate (10) adjacent to the hinged part of the cover plate and the feeding bin (6), one end of the connecting arm (11) far away from the cover plate (10) is hinged with the connecting block (12), and the driving element drives the connecting block (12) to move, so that the connecting arm (11) drives the cover plate (10) to turn over along the hinged part of the feeding bin (6).
8. An extrusion molding apparatus for an optical cable manufacturing line as claimed in claim 7, wherein said driving member is a telescopic cylinder (13), and a cylinder rod of said telescopic cylinder (13) is screw-coupled to the connection block (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011069981.7A CN112238588A (en) | 2020-10-09 | 2020-10-09 | A extrusion molding device for optical cable production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011069981.7A CN112238588A (en) | 2020-10-09 | 2020-10-09 | A extrusion molding device for optical cable production line |
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| Publication Number | Publication Date |
|---|---|
| CN112238588A true CN112238588A (en) | 2021-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011069981.7A Pending CN112238588A (en) | 2020-10-09 | 2020-10-09 | A extrusion molding device for optical cable production line |
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| Country | Link |
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| CN (1) | CN112238588A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115924170A (en) * | 2023-01-03 | 2023-04-07 | 长沙银洲食品有限公司 | A automatic weighing packing plant for ground rice |
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| CN208082628U (en) * | 2018-01-28 | 2018-11-13 | 姚建珍 | A kind of Teflon finishing coat raw material crushing crusher |
| CN208084906U (en) * | 2018-02-02 | 2018-11-13 | 涡阳县利达塑料包装制品有限公司 | A kind of polybag production extruding machine |
| CN208512709U (en) * | 2018-04-02 | 2019-02-19 | 张友兰 | A kind of medical waste crusher |
| CN208962235U (en) * | 2018-10-23 | 2019-06-11 | 佛山市栢朗粉碎设备有限公司 | A kind of cyclopentane gas detector |
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2020
- 2020-10-09 CN CN202011069981.7A patent/CN112238588A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208082628U (en) * | 2018-01-28 | 2018-11-13 | 姚建珍 | A kind of Teflon finishing coat raw material crushing crusher |
| CN208084906U (en) * | 2018-02-02 | 2018-11-13 | 涡阳县利达塑料包装制品有限公司 | A kind of polybag production extruding machine |
| CN208512709U (en) * | 2018-04-02 | 2019-02-19 | 张友兰 | A kind of medical waste crusher |
| CN208962235U (en) * | 2018-10-23 | 2019-06-11 | 佛山市栢朗粉碎设备有限公司 | A kind of cyclopentane gas detector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115924170A (en) * | 2023-01-03 | 2023-04-07 | 长沙银洲食品有限公司 | A automatic weighing packing plant for ground rice |
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Application publication date: 20210119 |