CN109465331B - Needle grid manufacturing process - Google Patents
Needle grid manufacturing process Download PDFInfo
- Publication number
- CN109465331B CN109465331B CN201811636133.2A CN201811636133A CN109465331B CN 109465331 B CN109465331 B CN 109465331B CN 201811636133 A CN201811636133 A CN 201811636133A CN 109465331 B CN109465331 B CN 109465331B
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- China
- Prior art keywords
- blank
- feeding
- head
- needle
- sliding plate
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 28
- 238000004080 punching Methods 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 6
- 239000002699 waste material Substances 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims description 19
- 238000005516 engineering process Methods 0.000 claims description 2
- 238000009940 knitting Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000003031 feeding effect Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention discloses a needle grid manufacturing process, which comprises the following steps: a. obtaining a blank material: punching a blank material in a needle grid shape from the raw material by using a punch; b. blank stamping: punching the head of the blank by using a punching device to thin the blank; c. blanking the blank: utilizing a blanking device to blank the edge of the head of the blank so as to cut off the waste edge at the edge of the head of the blank; d. heat treatment of the blank: the blank is treated by a heat treatment technique. The invention can not only improve the efficiency of needle bar manufacture, but also ensure the smoothness of the head of the needle bar.
Description
Technical Field
The invention relates to a needle grid manufacturing process.
Background
In order to drive a knitting needle to run into a loop, a needle bar sheet in the glove knitting machine needs to be polished at the head of the needle bar, so that the thickness of the head of the needle bar is smaller than that of a needle body of the knitting needle.
The mode of thinning the head of the needle bar by polishing has defects, and the polishing efficiency is lower 1; 2. after the head of the needle bar is polished, the head of the needle bar is rough.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a needle grating manufacturing process, which can improve the needle grating manufacturing efficiency and ensure the smoothness of the head of the needle grating.
In order to achieve the purpose, the invention provides the following technical scheme:
a needle grid manufacturing process comprises the following steps:
a. obtaining a blank material: punching a blank material in a needle grid shape from the raw material by using a punch;
b. blank stamping: punching the head of the blank by using a punching device to thin the blank;
c. blanking the blank: utilizing a blanking device to blank the edge of the head of the blank so as to cut off the waste edge at the edge of the head of the blank;
d. heat treatment of the blank: the blank is treated by a heat treatment technique.
Preferably, the stamping device in the step b and the blanking device in the step c are both fed by an automatic feeding device.
The invention has the advantages that: the head of the needle bar is processed in a stamping, blanking and trimming mode, and compared with the grinding operation in the prior art, the efficiency of the thinning operation of the head of the needle bar is obviously improved, and the surface smoothness of the head of the needle bar is obviously improved.
Drawings
Fig. 1 is a flowchart of a pin grid manufacturing process provided in this embodiment;
fig. 2 is a schematic view of the automatic feeding device provided in this embodiment;
FIG. 3 is a schematic view of a feed slide and a stock assembly provided in this embodiment;
fig. 4 is a schematic view of a blanking device provided in the present embodiment;
fig. 5 is a schematic view of a stamping device provided in the present embodiment;
FIG. 6 is a schematic view of a drive wheel;
fig. 7 is another schematic view of the drive wheel.
Detailed Description
The pin grid manufacturing process of the present invention is further described with reference to fig. 1 to 7.
A needle grid manufacturing process comprises the following steps:
a. punching a blank material in a needle grid shape from the raw material by using a punch;
b. the head of the blank is stamped by a stamping device, namely, the blank is flattened to be thinned and reach the required size;
c. b, blanking the edge of the head of the blank by using a blanking device to cut off the waste edge at the edge of the head of the blank, namely, because the head of the needle bar can deform in the stamping process of the step b and the waste edge is generated at the head of the needle bar, the waste edge can be cut off by using the blanking device to ensure that the head of the needle head reaches the required size;
d. and (5) processing the blank by a heat treatment technology, and finishing the manufacturing of the needle grid.
The stamping device comprises an upper stamping die 13, a lower stamping die 14 and an oil cylinder for driving the upper stamping die to move up and down; the blanking device comprises an upper punching die 11, a lower punching die 12 and an oil cylinder for driving the upper punching die to move up and down.
The head of the needle bar is processed in a stamping, blanking and trimming mode, and compared with the grinding operation in the prior art, the efficiency of the thinning operation of the head of the needle bar is obviously improved, and the surface smoothness of the head of the needle bar is obviously improved.
The embodiment is further configured as follows: and c, feeding the stamping device in the step b and the blanking device in the step c through an automatic feeding device. In the process method, the head of the blank can be sent between the upper pressing die and the lower pressing die and between the upper punching die and the lower punching die through the automatic feeding device, and the blank is automatically fed for punching and blanking, so that the manufacturing efficiency can be obviously improved, and the operation of operators is facilitated.
The automatic feeding device comprises a support 2, a material storage assembly 5, a feeding sliding plate 4, a feeding push rod 8, a main driving shaft 3, a driving assembly I and a driving assembly II;
the material storage component 5 is arranged on the support 2 and used for stacking and storing needle bar blanks 6 up and down, the material storage component 5 is a material storage rack, a material storage groove 51 with an upper opening and a lower opening is formed in the material storage rack, the upper opening is used for feeding materials, and the lower opening is used for discharging materials;
the main driving shaft 3 is arranged on the bracket 2 through a bearing seat and is connected with a driving motor;
the feeding sliding plate 4 is matched on the support 2 in a sliding mode through a sliding rail and is located below the material storage assembly 5, a step is arranged on the right side of the feeding sliding plate 4, a first step surface 41 and a second step surface 42 are formed on the feeding sliding plate 4, the lower opening of the material storage assembly 5 can be attached to the first step surface 41, and a distance of one needle grid blank thickness is formed between the lower opening and the second step surface 42. Therefore, when the feeding sliding plate 4 is in an original state, the lower opening of the material storage component 5 vertically corresponds to the second step surface, and the lowermost needle bar blank 6 in the material storage groove 51 falls on the second step surface; after the driving assembly drives the feeding sliding plate to move rightwards, the needle bar blank 6 on the second step surface can be driven to move, and the feeding effect is achieved; meanwhile, after the feeding sliding plate 4 moves rightwards, the lower opening of the material storage groove 51 is attached to the first step surface, so that the lower opening of the material storage groove 51 is blocked, and the needle bar blank 6 cannot fall from the material storage groove 51; after the feeding sliding plate moves leftwards, the needle bar blank 6 can fall from the material storage groove 51, so that the feeding effect is achieved circularly;
the first driving assembly is arranged on the support 2, is connected with the main driving shaft and the feeding sliding plate 4, and drives the feeding sliding plate 4 to move in a reciprocating manner so as to push needle bar blanks positioned at the lowest position in the stock assembly 5 to the side of the punching device or the blanking device;
the second driving assembly is arranged on the bracket 2, is connected with the main driving shaft 3 and the feeding push rod 8, and drives the feeding push rod 8 to reciprocate so as to push the needle bar blank beside the punching device or the blanking device into the punching device or the blanking device.
Through automatic feeding device, can send into stamping device with the needle bars stock automatically, supply the stamping of upper die and lower die, or in sending the needle bars stock that has stamped the head to blanking device, supply punch die 11 and lower punch die 12 blanking to repair the head of needle bars stock, both saved the cost of labor, improved the efficiency of repairing again.
The embodiment is further configured as follows: the first driving assembly comprises an eccentric wheel 34 and a first roller 35; the eccentric wheel 34 is installed on the main driving shaft and rotates along with the main driving shaft, the first roller 35 is installed on the feeding sliding plate 4, and the side wall of the eccentric wheel 34 is attached to the side wall of the first roller 35 so as to drive the feeding sliding plate 4 to move rightwards.
The embodiment is further configured as follows: the first driving assembly further comprises an elastic resetting piece 33, one end of the elastic resetting piece 33 is connected to the support 2, and the other end of the elastic resetting piece 33 is connected to the feeding sliding plate 4 to drive the feeding sliding plate 4 to reset, so that reciprocating movement of the feeding sliding plate 4 is realized, and the effect of circular feeding is achieved.
The embodiment is further configured as follows: the second driving assembly comprises a driving wheel 81, a swing arm 82, a connecting rod 84 and a sliding block 85;
the driving wheel 81 is arranged on the main driving shaft 3, and the end wall of the driving wheel 81 is provided with a driving slide rail 811;
the middle part of the swing arm 82 is hinged to the support 2, a second roller 86 is installed at the first end of the swing arm 82 and matched with the driving slide rail, and the second end of the swing arm 82 is hinged to the connecting rod 84;
the slide block 85 is matched with the bracket 2 in a sliding way through a slide rail, and the slide block 85 is connected with the connecting rod 84 and the feeding push rod 8. The second driving assembly further comprises a second elastic resetting piece 83, one end of the second elastic resetting piece 83 is connected to the bracket 2, and the other end of the second elastic resetting piece 83 is connected to the swing arm 82. Under this setting, through the laminating cooperation of drive wheel 81 and gyro wheel two to and elasticity resets two 83, when drive wheel 81 rotated along with main drive shaft 3, drive swing arm 82 swayd to drive pay-off push rod 8 and do reciprocating motion, in order to carry out punching press or blanking with the head propelling movement of needle bars stock to stamping device or blanking device.
The first elastic restoring piece 33 and the second elastic restoring piece 83 are both springs.
The number 1 in the attached drawings can be a stamping device or a blanking device, and the stamping device and the blanking device are simultaneously provided with the automatic feeding device.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (1)
1. A needle grid manufacturing process is characterized in that: the method comprises the following steps:
a. obtaining a blank material: punching a blank material in a needle grid shape from the raw material by using a punch;
b. blank stamping: punching the head of the blank by using a punching device to thin the blank;
c. blanking the blank: utilizing a blanking device to blank the edge of the head of the blank so as to cut off the waste edge at the edge of the head of the blank;
d. heat treatment of the blank: treating the blank by a heat treatment technology;
feeding the stamping device in the step b and the blanking device in the step c through an automatic feeding device;
the automatic feeding device comprises a support, a material storage assembly, a feeding sliding plate, a feeding push rod, a main driving shaft, a first driving assembly and a second driving assembly;
the material storage assembly is arranged on the support and used for vertically stacking and storing the needle bar blanks;
the main driving shaft is arranged on the bracket through a bearing seat and is connected with a driving motor;
the feeding sliding plate is matched on the support in a sliding mode through the sliding rail and is positioned below the material storage assembly, a step is arranged on the right side of the feeding sliding plate, a first step surface and a second step surface are formed on the feeding sliding plate, the lower opening of the material storage assembly can be attached to the first step surface, and a distance of the thickness of a needle grid blank is formed between the lower opening of the material storage assembly and the second step surface;
the first driving assembly is arranged on the support, is connected with the main driving shaft and the feeding sliding plate, and drives the feeding sliding plate to move in a reciprocating mode so as to push needle bar blanks positioned at the lowest position in the stock assembly to the side of the punching device or the blanking device;
the second driving assembly is arranged on the support, is connected with the main driving shaft and the feeding push rod and drives the feeding push rod to reciprocate so as to push the needle bar blank beside the punching device or the blanking device into the punching device or the blanking device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811636133.2A CN109465331B (en) | 2018-12-29 | 2018-12-29 | Needle grid manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811636133.2A CN109465331B (en) | 2018-12-29 | 2018-12-29 | Needle grid manufacturing process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109465331A CN109465331A (en) | 2019-03-15 |
| CN109465331B true CN109465331B (en) | 2020-05-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811636133.2A Active CN109465331B (en) | 2018-12-29 | 2018-12-29 | Needle grid manufacturing process |
Country Status (1)
| Country | Link |
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| CN (1) | CN109465331B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1536898B1 (en) * | 2002-09-13 | 2006-05-31 | DaimlerChrysler AG | Method for the production of a press-hardened part |
| CN101805821B (en) * | 2010-04-17 | 2012-03-21 | 上海交通大学 | Integrated stamping forming treatment method of steel |
| EP2948259A1 (en) * | 2013-01-22 | 2015-12-02 | ANDRITZ Sundwig GmbH | Apparatus for connecting flat metal products running successively into a strip treatment installation |
| CN105134916A (en) * | 2015-09-02 | 2015-12-09 | 武汉集诚汽车部件有限责任公司 | Torque filter belt wheel for transmission of engine accessories and machining method |
| CN108637618A (en) * | 2018-03-21 | 2018-10-12 | 海宁市兴达刀剪有限公司 | A kind of processing technology of hair clipper blade |
| CN108637082B (en) * | 2018-04-25 | 2020-04-28 | 常州瑞德丰精密技术有限公司 | Forming process of side welding connecting sheet |
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- 2018-12-29 CN CN201811636133.2A patent/CN109465331B/en active Active
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| CN109465331A (en) | 2019-03-15 |
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