CN113059386A - Feeding device convenient for controlling feeding amount for numerical control machine tool - Google Patents
Feeding device convenient for controlling feeding amount for numerical control machine tool Download PDFInfo
- Publication number
- CN113059386A CN113059386A CN202110385409.XA CN202110385409A CN113059386A CN 113059386 A CN113059386 A CN 113059386A CN 202110385409 A CN202110385409 A CN 202110385409A CN 113059386 A CN113059386 A CN 113059386A
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- machine tool
- control machine
- feeding
- numerical control
- manipulator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/04—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/08—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of slides or chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/10—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of magazines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/12—Sorting arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manipulator (AREA)
Abstract
The invention relates to a feeding device for a numerical control machine tool, which is convenient for controlling the feeding amount and comprises a storage bin, a manipulator support and the numerical control machine tool, wherein a material guide pipe is connected to the bottom of the storage bin and is provided with a first motor, the first motor is connected with a rotating shaft, a stirring plate is connected to the rotating shaft, a temporary storage box is connected to the material guide pipe, a support column and a support rod are connected to the manipulator support, a first electric push rod is connected to the support rod, and a pneumatic manipulator is connected to the first electric push rod. After adopting the structure, the invention has the following advantages: the pneumatic manipulator is used for grabbing the workpiece to be placed into the feeding bin through the pneumatic manipulator and then pushing the workpiece into the numerical control machine tool through the electric push rod to be processed.
Description
Technical Field
The invention relates to the technical field of numerical control machines, in particular to a feeding device for a numerical control machine, which is convenient for controlling the feeding amount.
Background
The numerical control machine tool is a digital control machine tool for short, and is an automatic machine tool with a program control system, the control system can logically process a program with control codes or other symbol instructions, decode the program, represent the decoded program by coded numbers, input the coded number into a numerical control device through an information carrier, send various control signals by the numerical control device through operation processing, control the action of the machine tool, and automatically machine parts according to the shape and size required by a drawing.
When processing stub axle form work piece, generally all be the manual work and carry out the material loading, artifical material loading is wasted time and energy, and automatic inefficiency, and some automatic feeding devices that have now are mostly the conveyer belt and carry out the material loading, and the conveyer belt material loading often can lead to the emergence of the circumstances such as jam, drop because the unloading is too much.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a feeding device for a numerically controlled machine tool, which is convenient for controlling the feeding amount, in order to overcome the drawbacks in the background art.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a feeding device convenient for controlling feeding amount for a numerical control machine tool comprises a storage bin, a manipulator support, a numerical control machine tool and a workpiece stored in the storage bin, wherein a discharge port with a V-shaped cross section is arranged in the storage bin, the bottom of the storage bin is connected with a material guide pipe communicated with the discharge port, one side of the top of the material guide pipe is connected with a first motor, the power end of the first motor is connected with a rotating shaft, the rotating shaft is uniformly connected with a plurality of stirring plates, the bottom of the material guide pipe is connected with a temporary storage box, the bottom of the manipulator support is connected with a second motor, the power end of the second motor extends to the top of the manipulator support and is connected with a rotating disc, the top of the rotating disc is connected with a support column, the top of the support column is connected with a support rod, and the end of the support rod is connected with a first electric push rod, the bottom of the first electric push rod is connected with a pneumatic manipulator, and one end of the numerical control machine tool is connected with a feeding bin.
Further, the middle part in the temporary storage box is provided with a groove which is convenient for the pneumatic manipulator to grab, two sides of the groove are connected with a supporting plate, the rear side of the top of the supporting plate is connected with a stop block, one side of the front side of the stop block is connected with a rubber pad, and the pneumatic manipulator is convenient to grab a workpiece.
Further, pneumatic manipulator in be equipped with the sealed chamber of type of falling T, pneumatic manipulator bottom both sides connect and be equipped with the gripper, the gripper extend to sealed intracavity and connect and be equipped with the piston board, pneumatic manipulator top connect be equipped with the first air inlet of sealed chamber intercommunication, pneumatic manipulator bottom both sides connect be equipped with the second air inlet of sealed chamber intercommunication, conveniently control the gripper.
Furthermore, a storage groove with a Y-shaped section is arranged in the feeding bin, so that the machined parts can conveniently enter the feeding bin.
Further, the one end connection that the digit control machine tool was kept away from in the feeding storehouse be equipped with second electric putter, second electric putter's power take off end extend to the storage tank in-connection and be equipped with the push pedal, conveniently push the machined part and process in the digit control machine tool.
Further, storage silo and passage bottom all connect and be equipped with a plurality of support frames, conveniently support storage silo and passage.
After adopting the structure, the invention has the following advantages: the pneumatic manipulator is used for grabbing the workpiece to be placed into the feeding bin through the pneumatic manipulator and then pushing the workpiece into the numerical control machine tool through the electric push rod to be processed.
Drawings
Fig. 1 is a schematic view of an overall three-dimensional structure of a feeding device for a numerical control machine tool, which is convenient for controlling the feeding amount.
Fig. 2 is a schematic structural view of a storage bin of a feeding device for conveniently controlling feeding amount for a numerical control machine tool.
Fig. 3 is a schematic view of a three-dimensional structure of a temporary storage box of a feeding device for conveniently controlling feeding amount for a numerical control machine tool.
Fig. 4 is a schematic structural sectional view of a pneumatic manipulator of a feeding device for conveniently controlling the feeding amount of a numerically-controlled machine tool according to the present invention.
Fig. 5 is a schematic view of a three-dimensional structure of a feeding bin of the feeding device for conveniently controlling the feeding amount of the numerical control machine tool.
Fig. 6 is a schematic cross-sectional structural view of a feeding bin of a feeding device for conveniently controlling feeding amount for a numerical control machine tool.
As shown in the figure: 1. the material storage bin, 2, a mechanical arm support, 3, a numerical control machine tool, 4, a workpiece, 5, a discharge hole, 6, a material guide pipe, 7, a first motor, 8, a rotating shaft, 9, a stirring plate, 10, a temporary storage box, 11, a stop block, 12, a rubber pad, 13, a supporting plate, 14, a groove, 15, a supporting frame, 16, a second motor, 17, a rotating disc, 18, a supporting column, 19, a supporting rod, 20, a first electric push rod, 21, a pneumatic manipulator, 22, a first air inlet, 23, a mechanical claw, 24, a sealing cavity, 25, a piston plate, 26, a second air inlet, 27, a feeding bin, 28, a storage groove, 29, a second electric push rod, 30 and a push plate.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are only for the purpose of explaining the present invention and are not intended to limit the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing and simplifying the present invention, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation and be operated, and therefore are not to be construed as limiting the present invention, and furthermore, the terms "first", "second", etc., are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implicitly indicating the number of technical features indicated, and thus, the features defined as "first", "second", etc., may explicitly or implicitly include one or more such features, in the description of the present invention, "plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that the term "connected" is to be understood broadly, for example, it may be a fixed connection, a detachable connection, or an integral connection, unless otherwise explicitly specified or limited, and those skilled in the art can understand the specific meaning of the above terms in the present invention in a specific case.
The present invention will be described in further detail with reference to the accompanying drawings.
With reference to the accompanying drawings 1-6, a feeding device for a numerical control machine tool, which is convenient for controlling the feeding amount, comprises a storage bin 1, a manipulator support 2, a numerical control machine tool 3 and a workpiece 4 stored in the storage bin 1, wherein a discharge port 5 with a V-shaped cross section is arranged in the storage bin 1, the bottom of the discharge port 5 is set to be only capable of falling one at a time, a material guide pipe 6 communicated with the discharge port 5 is connected to the bottom of the storage bin 1, a first motor 7 is connected to one side of the top of the material guide pipe 6, the first motor 7 can control the rotating speed of the first motor 7 by a servo motor or a speed reducer, a rotating shaft 8 is connected to the power end of the first motor 7, a plurality of shifting plates 9 are uniformly connected to the rotating shaft 8, the number of the shifting plates 9 is 4, and a temporary storage space is formed with the inner wall of the material guide pipe 6, the discharging amount of the machined part 4 can be accurately controlled by rotating the first motor 7 a quarter turn each time, dropping one machined part 4 each time, the bottom of the material guide pipe 6 is connected with the temporary storage box 10, the bottom of the manipulator support 2 is connected with the second motor 16, the power end of the second motor 16 extends to the top of the manipulator support 2 and is connected with the rotating disc 17, the top of the rotating disc 17 is connected with the support column 18, the top of the support column 18 is connected with the support rod 19, the end of the support rod 19 is connected with the first electric push rod 20, the bottom of the first electric push rod 20 is connected with the pneumatic manipulator 21, one end of the numerical control machine 3 is connected with the feeding bin 27, and after one machined part 4 falls into the temporary storage box 10, the second motor 16 is started to drive the rotating disc 17 to rotate, so as to drive the pneumatic manipulator 21 to move to the temporary storage box 10, the first electric push rod 20 is started to move the pneumatic manipulator 21 downwards to grab the workpiece 4, the first electric push rod 20 is started again to lift the pneumatic manipulator 21, the second motor 16 is started to move the pneumatic manipulator 21 to the position above the feeding bin 27, and then the workpiece 4 is placed into the feeding bin 27.
The middle part in the temporary storage box 10 is provided with a groove 14 which is convenient for a pneumatic manipulator 21 to grab, two sides of the groove 14 are connected with a support plate 13, the rear side of the top of the support plate 13 is connected with a stop block 11, one side of the front side of the stop block 11 is connected with a rubber pad 12, the width of the groove 14 is larger than the length of a mechanical claw 23, the mechanical claw 23 is convenient to grab a workpiece 4, an inverted T-shaped sealing cavity 24 is arranged in the pneumatic manipulator 21, two sides of the bottom of the pneumatic manipulator 21 are connected with the mechanical claw 23, the mechanical claw 23 extends into the sealing cavity 24 and is connected with a piston plate 25, the top of the pneumatic manipulator 21 is connected with a first air inlet 22 communicated with the sealing cavity 24, two sides of the bottom of the pneumatic manipulator 21 are connected with a second air inlet 26 communicated with the sealing cavity 24, and the first air inlet 22 and the second air inlet 26 are, the intake pipe connect jointly and be equipped with five position tee bend pneumatic solenoid valves, conveniently control the business turn over gas through the PLC controller to this gripper 23 snatchs, promotes piston plate 25 through first air inlet 22 business turn over and drives gripper 23 and open, promotes piston plate 25 through second air inlet 26 business turn over and drives gripper 23 and merge, snatchs machined part 4 with this, feeding storehouse 27 inside be equipped with the storage tank 28 of cross-section for the Y style of calligraphy, feeding storehouse 27 one end of keeping away from digit control machine tool 3 connect and be equipped with second electric putter 29, the power take off end of second electric putter 29 extend to the storage tank 28 in-connection and be equipped with push pedal 30, storage silo 1 and 6 bottoms all connect and be equipped with a plurality of support frames 15.
In the specific implementation of the invention, a workpiece 4 is placed in the storage bin 1, the workpiece 4 falls into the material guide pipe 6 through the material outlet 5, the toggle plate 9 is driven to rotate by the first motor 7, so that only one workpiece 4 is put down at a time, the workpiece falls into the temporary storage box 10, the second motor 16 is started to drive the rotating disc 17 to rotate, so as to drive the pneumatic manipulator 21 to move to the upper part of the temporary storage box 10, the first electric push rod 20 is started to move the pneumatic manipulator 21 downwards to pick up the workpiece 4, the first electric push rod 20 is started again to lift the pneumatic manipulator 21, the second motor 16 is started to move the pneumatic manipulator 21 to the upper part of the feeding bin 27, then the workpiece 4 is placed in the feeding bin 27, and the second electric push rod 29 is started to push the workpiece 4 into the numerical control machine 3 for processing immediately.
The present invention and its embodiments have been described above, but the description is not limitative, and the actual structure is not limited thereto. It should be understood that those skilled in the art should understand that they can easily make various changes, substitutions and alterations herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a digit control machine tool is with loading attachment of convenient control material loading, it includes storage silo (1), manipulator support (2), digit control machine tool (3) and deposits machined part (4) in storage silo (1), its characterized in that: the automatic feeding device is characterized in that a discharge port (5) with a V-shaped cross section is arranged in the storage bin (1), a material guide pipe (6) communicated with the discharge port (5) is connected to the bottom of the storage bin (1), a first motor (7) is connected to one side of the top of the material guide pipe (6), a rotating shaft (8) is connected to the power end of the first motor (7), a plurality of stirring plates (9) are uniformly connected to the rotating shaft (8), a temporary storage box (10) is connected to the bottom of the material guide pipe (6), a second motor (16) is connected to the bottom of the manipulator support (2), a rotating disc (17) is connected to the top of the manipulator support (2) by the power end of the second motor (16), a support column (18) is connected to the top of the rotating disc (17), a support rod (19) is connected to the top of the support column (18), bracing piece (19) end connection be equipped with first electric putter (20), first electric putter (20) bottom connect and be equipped with pneumatic manipulator (21), digit control machine tool (3) one end connect and be equipped with feeding storehouse (27).
2. The feeding device for the numerical control machine tool, which is convenient for controlling the feeding amount, according to claim 1, characterized in that: the pneumatic manipulator is characterized in that a groove (14) convenient for a pneumatic manipulator (21) to grab is formed in the middle of the interior of the temporary storage box (10), supporting plates (13) are connected to two sides of the groove (14), a stop block (11) is connected to the rear side of the top of each supporting plate (13), and a rubber pad (12) is connected to one side of the front side of each stop block (11).
3. The feeding device for the numerical control machine tool, which is convenient for controlling the feeding amount, according to claim 1, characterized in that: pneumatic manipulator (21) in be equipped with sealed chamber (24) of type of falling T, pneumatic manipulator (21) bottom both sides connect and be equipped with gripper (23), gripper (23) extend to sealed chamber (24) in-connection and be equipped with piston plate (25), pneumatic manipulator (21) top connect be equipped with sealed chamber (24) intercommunication first air inlet (22), pneumatic manipulator (21) bottom both sides connect be equipped with sealed chamber (24) intercommunication second air inlet (26).
4. The feeding device for the numerical control machine tool, which is convenient for controlling the feeding amount, according to claim 1, characterized in that: a storage groove (28) with a Y-shaped section is arranged in the feeding bin (27).
5. The feeding device for the numerical control machine tool, which is convenient for controlling the feeding amount, according to claim 4, wherein: the one end connection that keeps away from digit control machine tool (3) in feeding storehouse (27) be equipped with second electric putter (29), the power take off end of second electric putter (29) extend to storage tank (28) in-connection and be equipped with push pedal (30).
6. The feeding device for the numerical control machine tool, which is convenient for controlling the feeding amount, according to claim 1, characterized in that: the bottom of the storage bin (1) and the bottom of the material guide pipe (6) are respectively connected and provided with a plurality of support frames (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110385409.XA CN113059386A (en) | 2021-04-09 | 2021-04-09 | Feeding device convenient for controlling feeding amount for numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110385409.XA CN113059386A (en) | 2021-04-09 | 2021-04-09 | Feeding device convenient for controlling feeding amount for numerical control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113059386A true CN113059386A (en) | 2021-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110385409.XA Pending CN113059386A (en) | 2021-04-09 | 2021-04-09 | Feeding device convenient for controlling feeding amount for numerical control machine tool |
Country Status (1)
| Country | Link |
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| CN (1) | CN113059386A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114043328A (en) * | 2021-11-02 | 2022-02-15 | 松阳县链条配件有限公司 | Automatic high-efficient production facility of shape chain round pin axle wire rod of preapring for an unfavorable turn of events |
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| CN104057352A (en) * | 2014-06-30 | 2014-09-24 | 滁州开关电器科技有限公司 | Combined automatic feeding machine tool |
| CN204054061U (en) * | 2014-09-01 | 2014-12-31 | 衢州启程机械设备有限公司 | A kind of semi-active control manipulator based on magnetic flow liquid |
| CN204565765U (en) * | 2015-03-24 | 2015-08-19 | 合肥荣事达太阳能有限公司 | Tubing automatic punching equipment |
| CN106807994A (en) * | 2015-11-30 | 2017-06-09 | 湖南衡泰机械科技有限公司 | A kind of engraving and milling machine tool of multistation |
| CN106891184A (en) * | 2015-12-19 | 2017-06-27 | 曹诗晴 | Full automatic feed and drawing mechanism |
| CN107443139A (en) * | 2017-08-11 | 2017-12-08 | 安徽轻工业技师学院 | A kind of Digit Control Machine Tool handling equipment |
| CN207077247U (en) * | 2017-07-14 | 2018-03-09 | 四川理工学院 | A kind of sub-material feeding device of circular bar |
| CN107931649A (en) * | 2018-01-22 | 2018-04-20 | 刘晓梅 | A kind of automatic drilling device of turning of pole end |
| CN112496840A (en) * | 2020-11-26 | 2021-03-16 | 徐世云 | Automatic material supplementing circulating feeder for machining and using method thereof |
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2021
- 2021-04-09 CN CN202110385409.XA patent/CN113059386A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5897289A (en) * | 1997-01-31 | 1999-04-27 | Ford Motor Company | Tube alignment and delivery apparatus |
| CN104057352A (en) * | 2014-06-30 | 2014-09-24 | 滁州开关电器科技有限公司 | Combined automatic feeding machine tool |
| CN204054061U (en) * | 2014-09-01 | 2014-12-31 | 衢州启程机械设备有限公司 | A kind of semi-active control manipulator based on magnetic flow liquid |
| CN204565765U (en) * | 2015-03-24 | 2015-08-19 | 合肥荣事达太阳能有限公司 | Tubing automatic punching equipment |
| CN106807994A (en) * | 2015-11-30 | 2017-06-09 | 湖南衡泰机械科技有限公司 | A kind of engraving and milling machine tool of multistation |
| CN106891184A (en) * | 2015-12-19 | 2017-06-27 | 曹诗晴 | Full automatic feed and drawing mechanism |
| CN207077247U (en) * | 2017-07-14 | 2018-03-09 | 四川理工学院 | A kind of sub-material feeding device of circular bar |
| CN107443139A (en) * | 2017-08-11 | 2017-12-08 | 安徽轻工业技师学院 | A kind of Digit Control Machine Tool handling equipment |
| CN107931649A (en) * | 2018-01-22 | 2018-04-20 | 刘晓梅 | A kind of automatic drilling device of turning of pole end |
| CN112496840A (en) * | 2020-11-26 | 2021-03-16 | 徐世云 | Automatic material supplementing circulating feeder for machining and using method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114043328A (en) * | 2021-11-02 | 2022-02-15 | 松阳县链条配件有限公司 | Automatic high-efficient production facility of shape chain round pin axle wire rod of preapring for an unfavorable turn of events |
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Application publication date: 20210702 |
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