Drawing pin one-step forming production equipment and drawing pin production process
阅读说明：本技术 一种图钉一次成型生产设备及图钉的生产工艺 (Drawing pin one-step forming production equipment and drawing pin production process ) 是由 丁述勇 金鑫 杨友东 袁洲律 唐焕通 金清怡 于 2020-06-09 设计创作，主要内容包括：本发明提供一种图钉一次成型生产设备及图钉的生产工艺,包括工作台,工作台上设有钢丝拉直机构和立柱,立柱上设有供钢丝穿过的通孔,立柱上设有固定座,固定座上转动连接有与通孔轴线一致的轴承,轴承的一端设有齿轮,另一端设有钢丝导向柱,钢丝导向柱上设有竖直向下的切口,固定座的两侧设有用于切断钢丝的第一切压块和第二切压块,第一切压块连接有第二气缸,立柱的顶部设有竖直向下的第一气缸,第一气缸上连接有制作板,制作板朝向立柱的一侧和底面均为开槽,制作板内的一侧设有竖直的且与齿轮配合的齿条,另一侧设有一端抵在钢丝导向柱圆周侧壁上的压制针帽板,本发明提供了一种成本低可靠的图钉一次成型生产设备及图钉的生产工艺。(The invention provides a drawing pin one-time forming production device and a drawing pin production process, which comprise a workbench, wherein a steel wire straightening mechanism and a stand column are arranged on the workbench, a through hole for a steel wire to pass through is arranged on the stand column, a fixed seat is arranged on the stand column, a bearing which is consistent with the axis of the through hole is rotatably connected on the fixed seat, one end of the bearing is provided with a gear, the other end of the bearing is provided with a steel wire guide column, the steel wire guide column is provided with a vertically downward notch, a first cutting block and a second cutting block for cutting off the steel wire are arranged on two sides of the fixed seat, the first cutting block is connected with a second air cylinder, a first air cylinder which is vertically downward is arranged on the top of the stand column, a manufacturing plate is connected on the first air cylinder, one side and the bottom surface of the manufacturing plate, which face the stand column, are provided with a groove, one side, the invention provides a drawing pin one-step forming production device with low cost and reliability and a drawing pin production process.)
1. The utility model provides a drawing pin one shot forming production facility which characterized in that: comprises a workbench, a steel wire straightening mechanism and a stand column are arranged on the workbench, a through hole for a steel wire to pass through is arranged on the stand column, a fixed seat is arranged on the stand column, a bearing which is consistent with the axis of the through hole is connected on the fixed seat in a rotating manner, a gear is arranged at one end of the bearing, a steel wire guide column is arranged at the other end of the bearing, a vertically downward notch is arranged on the steel wire guide column, a first cutting block and a second cutting block for cutting off the steel wire are arranged at two sides of the fixed seat, the first cutting block is connected with a second cylinder, a vertically downward first cylinder is arranged at the top of the stand column, a manufacturing plate is connected on the first cylinder, one side and the bottom surface of the manufacturing plate, which face the stand column, are both provided with grooves, the distance from the side wall of the manufacturing plate, which deviates from the stand column, the other side is provided with a pressing needle cap plate which can stretch out and draw back and one end of which is propped against the circumferential side wall of the steel wire guide post.
2. The drawing pin one-shot forming production equipment according to claim 1, wherein: the steel wire straightening mechanism comprises a fixing frame, at least five straightening rolling rings with tangent outer diameters are arranged on the fixing frame, a rotating motor is arranged on the fixing frame, rolling wheels which are located on the same side with the rolling rings are arranged on the rotating motor, and auxiliary rolling rings are arranged on the fixing frame and below the rolling wheels correspondingly.
3. The drawing pin one-shot forming production equipment according to claim 1, wherein: the manufacturing plate is provided with two limit holes corresponding to one side provided with the pressing needle cap plate, pre-compression limit bolts are arranged in the limit holes, one ends of the pre-compression limit bolts are connected with pre-compression limit nuts and main plates, the pre-compression limit bolts are connected with the main plates in a sliding mode, the pressing needle cap plate is connected onto the main plates, the manufacturing plate is provided with a plurality of guide sleeves, springs are arranged in the guide sleeves, one ends of the springs abut against the main plates, and fixing bolts are screwed at the opening parts of the guide sleeves.
4. The drawing pin one-shot forming production equipment according to claim 1, wherein: the bottom of preparation board is equipped with the guide block, the one side and the fixing base laminating of guide block, the another side is slant decurrent inclined plane.
5. The drawing pin one-shot forming production equipment according to claim 1, wherein: the workbench is provided with a vertical sliding rail, and the manufacturing plate is provided with a sliding block matched with the sliding rail.
6. The production process for producing the drawing pin by using the drawing pin one-step forming production equipment as claimed in claim 1 is characterized in that: comprises the following steps of (a) carrying out,
(1) straightening the steel wire coil raw material through a steel wire straightening mechanism;
(2) bending one end of the steel wire into 90 degrees through a bending mechanism;
(3) shearing the straightened steel wire through a steel wire shearing mechanism to form a nail head at the sheared part;
(4) winding one end of the bent steel wire into a nail cap through a wire winding mechanism;
(5) shaping, punching and thinning the nail cap formed by coiling the wires through a punching mechanism to finish the drawing pin initial product;
(6) nitriding and hardening the drawing pin initial product in the previous process;
(7) performing barreling and cleaning on the hardened drawing pin initial product;
(8) and finally, performing nail cap plastic coating.
Technical Field
The invention relates to the technical field of drawing pin production devices, in particular to drawing pin one-step forming production equipment and a drawing pin production process.
Background
In the existing drawing pin processing technology, a pin cap and a pin are processed respectively firstly, and then the pin cap and the pin are combined through special equipment, so that the number of machining procedures is too large, required equipment is more, and a larger energy space is occupied. Because the nail needle and the nail head are combined, whether the nail needle and the nail head are combined by welding or punching, if the quality control is not uniform during production, the connection force between the nail head and the nail needle is not firm, and the problem that the nail head is separated from the nail needle when the drawing pin is pried out easily occurs in the use process. The scheme is developed according to the problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the drawing pin one-step forming production equipment with low cost and reliability and the drawing pin production process, and solves the problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a drawing pin one-step forming production device comprises a workbench, wherein a steel wire straightening mechanism and a stand column are arranged on the workbench, a through hole for a steel wire to pass through is formed in the stand column, a fixed seat is arranged on the stand column, the fixed seat is connected with a bearing consistent with the axis of the through hole in a rotating mode, one end of the bearing is provided with a gear, the other end of the bearing is provided with a steel wire guide column, a vertically downward notch is formed in the steel wire guide column, a first pressing block and a second pressing block for cutting off the steel wire are arranged on two sides of the fixed seat, the first pressing block is connected with a second air cylinder, a vertically downward first air cylinder is arranged at the top of the stand column, a manufacturing plate is connected onto the first air cylinder, one side and the bottom surface of the manufacturing plate, facing the stand column, are both provided with a groove, the distance from the side wall of the manufacturing plate, which deviates from the stand, the other side is provided with a pressing needle cap plate which can stretch out and draw back and one end of which is propped against the circumferential side wall of the steel wire guide post.
Further, the steel wire straightening mechanism comprises a fixing frame, at least five straightening rolling rings with tangent outer diameters are arranged on the fixing frame, a rotating motor is arranged on the fixing frame, rolling wheels which are located on the same side with the rolling rings are arranged on the rotating motor, and auxiliary rolling rings are arranged on the fixing frame and below the corresponding rolling wheels.
Furthermore, one side that the preparation board corresponds and sets up the suppression faller cap board is equipped with two spacing holes, spacing downthehole precompression spacing bolt that is equipped with, the one end of precompression spacing bolt is connected with precompression spacing nut, two sliding connection has the mainboard between the precompression spacing bolt, suppression faller cap board is connected on the mainboard, be equipped with a plurality of uide bushings on the preparation board, be equipped with the spring that one end supported the mainboard in the uide bushing, the opening part spiro union of uide bushing has fixing bolt.
Furthermore, the bottom of preparation board is equipped with the guide block, the one side and the fixing base laminating of guide block, the another side is oblique decurrent inclined plane.
Furthermore, a vertical sliding rail is arranged on the workbench, and a sliding block matched with the sliding rail is arranged on the manufacturing plate.
A production process for producing drawing pins by drawing pin one-step forming production equipment comprises the following steps,
(1) straightening the steel wire coil raw material through a steel wire straightening mechanism;
(2) bending one end of the steel wire into 90 degrees through a bending mechanism;
(3) shearing the straightened steel wire through a steel wire shearing mechanism to form a nail head at the sheared part;
(4) winding one end of the bent steel wire into a nail cap through a wire winding mechanism;
(5) shaping, punching and thinning the nail cap formed by coiling the wires through a punching mechanism to finish the drawing pin initial product;
(6) nitriding and hardening the drawing pin initial product in the previous process;
(7) performing barreling and cleaning on the hardened drawing pin initial product;
(8) and finally, performing nail cap plastic coating.
(III) advantageous effects
In conclusion, the invention adopts the one-time cold machining molding of the integral nail head and the nail head to replace the link of respectively processing the nail head and the nail head in the prior art, thereby reducing the process steps, the whole drawing pin starts from an iron wire, the nail head is made by bending the iron wire at the joint of the nail head and the nail head, and the nail head and the nail needle are not easy to separate in use, thereby having the characteristics of high efficiency, safety and high material utilization rate.
Drawings
FIG. 1 is a perspective view of a drawing pin one-shot forming production apparatus of the present invention;
FIG. 2 is a front view of a drawing pin one-shot forming apparatus of the present invention;
FIG. 3 is a schematic structural view of the fixing base and the manufacturing plate of the present invention;
FIG. 4 is a block diagram of the inside of the fabrication board;
FIG. 5 is a front view of the holder;
FIG. 6 is a drawing showing the formation of the pushpin on the holder;
fig. 7 is a schematic structural view of the drawing pin.
Description of the labeling: 1. a work table; 2. a fixed mount; 3. straightening and rolling the ring; 4. rolling a pressing wheel; 5. auxiliary ring rolling; 6. a column; 7. a first cylinder; 8. a second cylinder; 9. a slide rail; 10. a fixed seat; 11. a guide block; 12. fixing the bolt; 13. manufacturing a plate; 14. a guide sleeve; 15. a second cutting and pressing block; 16. a first shear block; 17. a rack; 18. pressing the fallboard; 19. pre-compressing the limit bolt; 20. pre-compressing the limit nut; 21. a spring; 22. a main board; 23. a bearing; 24. a steel wire guide post; 25. cutting; 26. drawing pins; 27. a gear.
Detailed Description
An embodiment of a drawing pin one-shot forming production apparatus according to the present invention will be further described with reference to fig. 1 to 7.
A drawing pin one-step forming production device comprises a workbench 1, wherein a steel wire straightening mechanism and a stand 6 are arranged on the workbench 1, a through hole for a steel wire to pass through is formed in the stand 6, a fixing seat 10 is arranged on the stand 6, a bearing 23 consistent with the axis of the through hole is rotatably connected to the fixing seat 10, one end of the bearing 23 is provided with a gear 27, the other end of the bearing is provided with a steel wire guide column 24, a vertically downward notch 25 is formed in the steel wire guide column 24, a first cutting block 16 and a second cutting block 15 for cutting off the steel wire are arranged on two sides of the fixing seat 10, the first cutting block 16 is connected with a second air cylinder 8, a vertically downward first air cylinder 7 is arranged at the top of the stand 6, a manufacturing plate 13 is connected to the first air cylinder 7, the manufacturing plate 13 is grooved towards one side and the bottom of the stand 6, the distance from the side wall of the stand 6 to the fixing seat 10 is equal to, one side in the preparation board 13 is equipped with vertical and with gear 27 complex rack 17, the opposite side is equipped with scalable and one end supports the suppression faller cap board 18 on the lateral wall of steel wire guide post 24 circumference.
When the drawing pin 26 is processed and produced, firstly, the steel wire coil raw material is straightened by the steel wire straightening mechanism on the workbench 1 and enters the through hole on the upright post 6, and enters the steel wire guide post 24 on the fixed seat 10 through the through hole, at the moment, the first air cylinder 7 works to drive the manufacturing plate 13 to descend, the side wall of the manufacturing plate 13 presses the steel wire extending out of the steel wire guide post 24 downwards and bends the steel wire, the downwards bent steel wire is just clamped in the vertically downward notch 25 of the steel wire guide post 24, at the same time, the second air cylinder 8 works to drive the first cutting block 16 to move towards the second cutting block 15, one end of the steel wire is cut off through the notch 25 on the opposite surface of the first cutting block 16 and the second cutting block 15, a pin head is formed at the cut-off part of the steel wire, then the first air cylinder 7 continues to drive the manufacturing plate 13 to descend, so that the rack 17 on the manufacturing plate 13 is matched with, the rack 17 descends and simultaneously drives the gear 27 to rotate, so that the bearing 23 and the steel wire guide post 24 on the bearing 23 rotate, the steel wire is clamped in the notch 25 on the steel wire guide post 24, the steel wire rotates when the steel wire guide post 24 rotates, one end of the pressing needle cap plate 18 on the manufacturing plate 13 is abutted to the steel wire when the steel wire rotates, the steel wire is bent and coiled when the steel wire rotates, a spiral top cap is formed, in addition, the distance from the side wall of the manufacturing plate 13, which is far away from the upright post 6, to the fixing seat 10 is equal to the diameter of the steel wire, one surface of the steel wire is attached to the inner side wall of the manufacturing plate 13 and cannot move outwards when the steel wire is coiled, the coiled steel wire top cap is flat, the first air cylinder 7 is reset at last, one-time forming of the drawing pin 26 is completed, the top cap and the pin head of the drawing pin 26 can be formed once through the up and down one-time back and forth of, the production efficiency of the drawing pin 26 is greatly improved, the pin head and the pin head are integrally formed in one-step cold machining mode, the link that the pin head and the pin head are respectively machined in the prior art is replaced, the process steps are reduced, the whole drawing pin 26 starts from an iron wire, the pin head is made by bending the iron wire at the joint of the pin head and the pin head, and the pin head and the pin are not easily separated in use, so that the drawing pin has the advantages of being efficient, safe and high in material utilization rate, the mechanical quantity of the new process is small, the mechanical maintenance difficulty is low, and the cost is reduced.
This embodiment is preferred the steel wire mechanism of flare-outing includes mount 2, be equipped with five at least tangent rolling rings of flare-outing of external diameter 3 on the mount 2, be equipped with the rotation motor on the mount 2, be equipped with on the rotation motor with roll the ring and lie in the rolling wheel 4 of homonymy, the below that corresponds rolling wheel 4 on the mount 2 is equipped with supplementary rolling ring 5, at first the steel wire need use five tangent rolling rings of flare-outing of external diameter 3 for the steel wire of coiling is straightened under the guide effect of five tangent rolling rings of flare-outing 3, then drives rolling wheel 4 through rotating the motor and rotates, rolls rolling wheel 4 and drives passive supplementary rolling ring 5 and rotate, thereby drives the steel wire and advances under rolling wheel 4 and supplementary rolling ring 5's extrusion rotation for the feed of control steel wire.
In this embodiment, it is preferable that one side of the
The bottom of the
In this embodiment, it is preferable that a vertical slide rail 9 is arranged on the workbench 1, a slide block matched with the slide rail 9 is arranged on the
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
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