CN110538877A - needle thread forming device with sawtooth-shaped tail end and forming method - Google Patents
needle thread forming device with sawtooth-shaped tail end and forming method Download PDFInfo
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- CN110538877A CN110538877A CN201910941598.7A CN201910941598A CN110538877A CN 110538877 A CN110538877 A CN 110538877A CN 201910941598 A CN201910941598 A CN 201910941598A CN 110538877 A CN110538877 A CN 110538877A
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- needle
- roller
- sawtooth
- gear
- tail end
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 50
- 238000003825 pressing Methods 0.000 claims abstract description 28
- 238000004804 winding Methods 0.000 claims abstract description 4
- 230000008093 supporting effect Effects 0.000 claims description 28
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 239000002184 metal Substances 0.000 abstract description 8
- 239000004033 plastic Substances 0.000 abstract description 4
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 238000001746 injection moulding Methods 0.000 abstract description 3
- 238000010923 batch production Methods 0.000 abstract description 2
- 238000005520 cutting process Methods 0.000 abstract 1
- 238000003860 storage Methods 0.000 description 14
- 230000000903 blocking effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000001467 acupuncture Methods 0.000 description 5
- 241001136800 Anas acuta Species 0.000 description 4
- 241001409896 Hirundapus Species 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/02—Shape or construction of rolls
- B21B27/024—Rolls for bars, rods, rounds, tubes, wire or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/16—Adjusting or positioning rolls
- B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
- B21B31/22—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
Abstract
The invention discloses a needle wire forming device with a sawtooth-shaped tail end and a forming method, and belongs to the field of medical instruments. The invention relates to a needle thread forming device with a sawtooth-shaped tail end and a forming method, comprising a bottom plate, a transmission mechanism, a pressing mechanism and a needle feeding mechanism, wherein the transmission mechanism, the pressing mechanism and the needle feeding mechanism are sequentially connected on the bottom plate in a transmission manner according to a transmission sequence; the metal spring needle handle connecting method comprises the following steps: winding the metal spring needle handle into a spiral shape, then cutting the metal spring needle handle into a proper length, and pulling the needle handle after a needle wire penetrates into the spiral metal spring needle handle so that the sawtooth-shaped needle tail is tightly clamped in the middle of the metal spring wire; the plastic needle handle connecting method comprises the following steps: the sawtooth-shaped needle wires are placed into an injection mold, and injection molding is performed at one time to be tightly combined with the sawtooth shape, so that the method is convenient for batch production and reduces the cost.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a needle wire forming device with a sawtooth-shaped tail end and a forming method.
background
at present, the stainless steel wire flat-handle needle for traditional Chinese medicine is also called spring-handle needle, and the spring-handle acupuncture needle belongs to a miniature medical appliance. The diameter of the needle body is within 1mm, some are even as small as 0.16mm, and the needle handle is not more than 2 mm. Therefore, the firm connection between the needle body and the needle handle always restricts the safe operation of the industry. The conventional method is to bend the end of the needle body and pull the bent part of the needle body into the needle handle with strong force, so that the needle body is fixed in the needle handle to achieve a certain fastness index. Although the needle body is plugged in the needle handle, because the inner diameter of the needle handle is larger than the diameter of the needle body, the end of the needle handle has a gap and a notch, and the needle body and the needle handle are not effectively connected, so that more potential safety hazards exist. Meanwhile, the top of the needle body slightly protrudes out of the flat opening of the needle tube, so that the fingers of operators are easily injured and the product is not beautiful.
For example, chinese patent application No. 01263578.2, application No. 2001, 11/1/2002, and published No. 8/7/2002 disclose a cap-type acupuncture needle with a handle and an end cap, which comprises a handle and a needle body, wherein the handle is axially provided with a needle hole penetrating the upper end and the lower end, and a section of the needle body is fixed in the needle hole, and is characterized in that: the upper end of the needle handle is provided with a cap structure which is fixedly connected with the upper end of the needle handle and seals the needle hole at the upper end of the needle handle. The utility model discloses a through the mode of sealing current needle handle upper end hole, prevent the needle body afterbody to wear out from the upper end hole under not hard up condition to reach the purpose of protection finger. The technical scheme can be used for acupuncture needles of a tube handle and a winding handle, and the effect is best when the cap structure adopts a tin soldering block to form a blocking structure. However, the needles of the acupuncture are connected by plastic needle handles, and the purpose of the connection is to use a series of schemes such as screws for firm connection, and the acupuncture needle is complex in structure and high in cost.
Disclosure of Invention
1. technical problem to be solved by the invention
The invention provides a needle wire forming device and a forming method with a saw-tooth-shaped tail end, aiming at the problems that the end of a needle handle has a gap and a notch, the connection between a needle body and a spring wire wound on a needle tail is not firm and the like in the prior art.
2. technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
A needle thread forming device with a sawtooth-shaped tail end and a forming method thereof comprise a bottom plate, and a transmission mechanism, a pressing mechanism and a needle feeding mechanism which are sequentially connected with each other in a transmission manner according to a transmission sequence, wherein the transmission mechanism outputs power to the pressing mechanism and the needle feeding mechanism, and the needle feeding mechanism transmits needle threads to the pressing mechanism so as to realize automatic needle feeding; the pressing mechanism presses the tail end of the needle wire transmitted by the upper needle mechanism into a zigzag shape, so that the zigzag needle tail can be clamped between the spring wires which are wound into a spiral shape in advance, and the problems that a metal spring needle handle is not firm when connected with a needle body and the like are solved; for the connection of the plastic needle handle, the sawtooth-shaped needle wires are placed into an injection mold, and the injection molding is formed at one time and is tightly combined with the sawtooth shape, so that the volume production is convenient, and the cost is reduced.
According to the further technical scheme, the base plate is fixed with the foundation, a transmission mechanism is fixedly installed on the base plate and comprises a power module and a transmission gear fixedly sleeved on a rotating shaft of the power module, a linkage gear is meshed with the transmission gear, a gear I is coaxially installed on the linkage gear, and a gear II is meshed with the gear I;
The pressing mechanism comprises an upper roller and a lower roller which are matched; the upper roller is connected with the gear I through a rotating shaft and is respectively sleeved at two ends of the rotating shaft; the lower roller is connected with the gear II through another rotating shaft and is respectively sleeved at two ends of the rotating shaft; the bearing blocks are connected in a bilateral symmetry mode through a rotating shaft and are fixedly installed on the bottom plate, and the bearing blocks installed in an up-down symmetry mode are located between the upper roller and the gear I and between the lower roller and the gear II; a gap is reserved between the front half parts of the surfaces of the upper roller and the lower roller, and the front half parts of the upper roller and the horizontal plane form a certain inclination so as to facilitate the biting of the needle thread; the rear half parts of the roller surfaces of the upper roller and the lower roller form a zigzag pass, so that the needle tail is in a zigzag shape after the needle tail is engaged into the zigzag pass;
the upper needle mechanism comprises an upper needle roller and a lower needle slideway, and the upper needle roller is a roller surface of a lower roller extending outwards; a lower needle slideway obliquely arranged at an angle with the ground is arranged on the bottom surface of the roller close to the feeding side of the upper needle roller, a support plate II is fixedly connected to the side surface of the lower needle slideway, and the support plate II is vertically arranged on the bottom plate; the roller surface of the upper needle roller is provided with a groove I capable of accommodating needle wires along the axial direction so as to realize automatic needle feeding.
according to the further technical scheme, grooves I are formed in the outer surface of the upper needle roller along the axial direction of the upper needle roller, and the depth of each groove I is only enough to accommodate one needle, so that the saw-tooth-shaped depth of the needle tail pressing of each needle thread is the same and uniform; the groove I is arranged intermittently along the axial direction so as to be suitable for needles and wires with different lengths.
according to the further technical scheme, a bolt II is fixedly mounted on the surface of the front portion of the bearing seat fixedly connected with the upper needle roller, a needle blocking arm is wound on the bolt, the other end of the needle blocking arm transversely extends out of a section along the outward surface of the upper needle roller, the extending section is vertically bent upwards in the middle of the upper needle roller and extends to the top of the upper needle roller along the radially outward surface of the upper needle roller; one section that keeps off needle arm and transversely stretch out plays a spacing effect to the needle silk after the afterbody shaping, and its vertical one section laminating that stretches out is in go up needle roller upper surface, treat fashioned needle silk and play the effect of proof warp for needle tail press forming process is more steady.
according to the further technical scheme, a lower needle slide way which is obliquely arranged at an angle with the ground is arranged on the bottom surface of the roller close to the feeding side of the upper needle roller, and the angle is set as long as the condition that the needle thread can transversely slide down along the lower needle slide way is met; the side face of the lower needle slide is fixedly connected with a supporting plate II, the supporting plate II is vertically installed on the bottom plate, and the supporting plate II is used for fixing the lower needle slide.
According to a further technical scheme, bearings are sleeved on the rotating shafts, the bearings are embedded into respective bearing seats, the bearings and the bearing seats are 4 bearings which are symmetrically arranged up and down and left and right and are arranged on the inner sides of the gear I and the upper roller and the inner sides of the gear II and the lower roller; the bearing blocks which are symmetrically distributed up and down are connected through the connecting rod, a gap is reserved between the bearing blocks, a rubber pad is arranged in the gap, the connecting rod penetrates through the rubber pad to be connected with the bearing blocks which are symmetrically distributed up and down, the upper portion of the connecting rod is matched with a nut for adjusting the gap, the nut is screwed down, and therefore when the upper bearing block is pressed down, the rubber pad is elastically deformed, and certain buffering and supporting effects are achieved.
According to the further technical scheme, a nut is matched on the connecting rod to fix the bearing seat; the number of the nuts is increased to achieve the purpose of stabilizing the bearing seat.
According to a further technical scheme, a through hole I and a through hole II are formed in the circle center parts of the upper roller and the lower roller, and a shaft I and a shaft II are clamped inside the through hole I and the through hole II respectively; and the ends of the shaft I and the shaft II are fixedly arranged on the outer side surface of the bearing seat and are coaxially arranged with the rotating shaft so as to drive the upper roller and the lower roller.
According to the further technical scheme, the upper needle roller and the lower roller are connected in a clamped mode through the shaft II, so that parts are convenient to overhaul and replace.
According to the further technical scheme, a needle storage funnel is arranged at the position, corresponding to the lower needle slide way, of the outer side surface close to the feeding side roller surface of the upper needle roller, and the needle storage funnel is of a semi-closed structure with the upper part opened outwards, so that the molded needles can fall into the needle storage funnel, and collection and arrangement of the needles are facilitated; one end face of the supporting plate is fixedly connected with a supporting plate I, the supporting plate I is vertically installed on the bottom plate, the length of the needle storage funnel is larger than the axial total length of the lower roller and the upper roller, and therefore the formed needle threads can completely fall into the interior of the needle storage funnel.
According to the further technical scheme, a supporting plate III is further arranged on the other side face of the lower needle slide way, the supporting plate III is fixedly installed on the bottom plate, and the side face of the supporting plate III is in contact with the side face of the lower needle slide way to support the lower needle slide way.
according to the further technical scheme, an ejector rod is fixedly mounted on the outer side surface of the supporting plate III, the ejector rod transversely penetrates into the supporting plate III, and the end part of the penetrating part of the ejector rod is fixedly connected with a side baffle; the upper end face of the supporting plate III is provided with a bolt I, the bolt I penetrates into the supporting plate III and then contacts with the ejector rod, and the ejector rod can control the side baffle plate to move left and right along the upper surface of the lower needle slide way.
According to a further technical scheme, a groove II is vertically engraved on the upper surface of the lower needle slideway at a position corresponding to a groove I on the upper needle roller; the side shield is rectangular shape and is placed the lower needle slide upper surface, the side shield is on a parallel with the recess II of lower needle slide upper surface, and along lower needle slide upper surface horizontal slip, just the side shield with the interval is greater than between the backup pad II needle silk length to adapt to the needle silk of different length.
In a further technical scheme, the transmission mechanism drives the transmission gear sleeved on the rotating shaft of the power module to rotate through the power module, and the transmission mechanism comprises the following steps:
step one, adjusting the distance between rollers: the rubber pads are supported between the bearing blocks which are symmetrically arranged up and down, nuts which are matched and connected with the upper parts of the connecting rods are screwed down according to the thickness of the needle handles to be pressed so as to adjust the distance between the upper roller and the lower roller, the upper bearing block is stopped when the upper bearing block is pressed down until the distance between the upper roller and the lower roller is equal to the thickness of the needle handles to be pressed, meanwhile, the bearing blocks which are symmetrically arranged up and down are ensured to be pressed horizontally, and the connecting rods and the nuts are matched so as to be fixedly connected with the bearing blocks;
Step two, adjusting the needle feeding mechanism: adjusting the horizontal plane of the lower needle slideway to be inclined at an angle with the ground, and screwing down a bolt which is used for fixedly connecting the lower needle slideway and arranged on the outer side of the support plate II; loosening the bolt I, adjusting the side baffle to enable the inclination of the side baffle to be parallel to the groove II on the upper surface of the lower needle slideway, and then transversely penetrating the ejector rod into the support plate III to be fixedly connected with the side baffle; pushing the ejector rod to push the side baffle to slide left and right on the upper surface of the lower needle slideway until the distance between the side baffle and the support plate II is greater than the length of the needle thread, and screwing the bolt I to fix the ejector rod;
step three, starting a transmission mechanism: the switch on the transmission mechanism is turned on, the power module drives the transmission gear to rotate, the linkage gear meshed with the transmission gear starts to rotate so as to drive the gear I to coaxially rotate, and at the moment, the gear II meshed with the gear I also starts to rotate and drives the bearing in the bearing seat to rotate; the bearing rotates to drive the rotating shaft to rotate, so that the upper roller and the lower roller are driven to rotate relatively, and the upper needle roller starts to rotate along with the lower roller;
Step four, pressing and forming the needle tail: and the needle tails of the needle wires to be formed are aligned with the inner side surface of the supporting plate II and are horizontally placed from the upper surface of the lower needle slideway, when the needle wires to be formed slide to the lower end of the lower needle slideway along the top end of the lower needle slideway and contact the lower roller and the upper needle roller, the needle wires realize upper needles along the grooves I engraved on the upper needle roller and rotate along the lower roller and the upper needle roller, when the needle wires rotate to the highest point, the needle tails of the needle wires are bitten into a roller gap between the upper roller and the lower roller, and the hole pattern between the upper roller and the lower roller is zigzag, so that the needle tails are pressed into zigzag.
3. Advantageous effects
compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
(1) According to the needle thread forming device and the needle thread forming method with the sawtooth-shaped tail end, the grooves I are formed in the outer surface of the upper needle roller along the axial direction of the upper needle roller, and the depth of each groove I is only enough to accommodate one needle, so that the needle thread to be formed can be automatically fed;
(2) According to the needle thread forming device and the needle thread forming method, the tail end of the needle thread is in a sawtooth shape, the needle thread sliding way is obliquely arranged at an angle with the ground so as to meet the requirement that the needle thread can slide down along the needle thread sliding way;
(3) according to the needle thread forming device and the needle thread forming method, the rubber pads are used for supporting the bearing seats, and when the gap between the bearing seats is adjusted, the rubber pads are elastically deformed and have a certain buffering effect;
(4) According to the needle thread forming device and the needle thread forming method, the connecting rod is matched with the nut to fix the bearing seat, and the number of the nuts is increased to achieve the purpose of stabilizing the bearing seat;
(5) according to the needle thread forming device with the sawtooth-shaped tail end and the forming method, the upper roller and the lower roller are convenient to replace by adopting a clamping shaft for connection;
(6) According to the needle wire forming device and the needle wire forming method with the sawtooth-shaped tail end, the section of the needle blocking arm which transversely extends out plays a role in limiting the needle wire with the formed tail part, the section of the needle blocking arm which vertically extends out is attached to the upper surface of the upper needle roller, the needle wire to be formed plays a role in preventing warping, and the needle handle is more stable in the pressing forming process;
(7) According to the needle thread forming device and the forming method with the sawtooth-shaped tail end, the needle storage funnel is additionally arranged, so that the formed needle thread can fall into the needle storage funnel, and the needle thread is convenient to collect and arrange;
(8) according to the needle thread forming device and the needle thread forming method, the grooves II on the upper surface of the lower needle slideway are arranged discontinuously along the axial direction, and the side baffle can slide left and right along the upper surface of the lower needle slideway in parallel with the grooves II so as to be suitable for needle threads with different lengths;
(9) According to the needle thread forming device and the needle thread forming method, the distance between the side baffle and the support plate II is larger than the length of the needle thread, so that the needle thread to be formed can slide down along the lower needle slide way;
(10) The invention relates to a needle thread forming device with a sawtooth-shaped tail end and a forming method thereof.A gap is reserved between the front half part of the roller surface of an upper roller and the front half part of the roller surface of a lower roller, the front half part of the upper roller and the horizontal plane form a certain inclination to facilitate the biting of a needle thread, and the rear half part of the roller surface of the upper roller and the rear half part of the roller surface of the lower roller form a sawtooth-shaped hole pattern, so that a needle handle is in a sawtooth shape after the tail part of the needle thread is bitten into the sawtooth-shaped hole pattern, and the sawtooth-shaped needle tail can be clamped between a spring which is wound into a spiral shape.
Drawings
FIG. 1 is a schematic perspective view of a pin tail forming apparatus according to the present invention;
FIG. 2 is a schematic perspective view of upper and lower roll collars;
FIG. 3 is a right side view of FIG. 2;
FIG. 4 is an enlarged view of part A of FIG. 3;
FIG. 5 is a schematic view of the structure of the needle thread before forming;
FIG. 6 is a schematic view of the structure of the formed needle thread;
FIG. 7 is a structural view of a needle tail winding spring wire;
FIG. 8 is a schematic view of the roll surface structure of the upper roll and the lower roll;
FIG. 9 is a top view of the lower needle slide.
In the figure: 1-a bottom plate; 2-a transmission mechanism; 3-a transmission gear; 4-linkage gear; 5-gear I; 6-gear II; 7-bearing seats; 8-a rotating shaft; 9-rubber pad; 10-a connecting rod; 11-a nut; 12-upper roller; 13-lower roll; 14-a needle roller; 15-needle storage funnel; 16-support plate I; 17-needle slide; 18-support plate II; 19-support plate iii; 20-a top rod; 21-bolt I; 22-side baffle; 23-a needle blocking arm; 24-needle thread; 25-groove I; 26-groove II; 27-bolt II; 1201-through hole i; 1202-Axis I; 1301-through hole II; 1302-Axis II; 2401-needle tail; 2402-spring wire.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.
Example 1
as shown in fig. 1, 5 and 6, the needle thread forming device and the needle thread forming method according to the embodiment have a sawtooth-shaped tail end, and include a bottom plate 1, and a transmission mechanism 2, a pressing mechanism and a needle feeding mechanism which are sequentially connected to the bottom plate 1 in a transmission manner according to a transmission sequence, wherein the transmission mechanism 2 outputs power to the pressing mechanism and the needle feeding mechanism, the needle feeding mechanism transmits a needle thread 24 to the pressing mechanism, and the pressing mechanism performs press forming on a needle tail 2401 of the needle thread 24 transmitted from the needle feeding mechanism, thereby realizing automatic needle feeding; the sawtooth-shaped needle tail can be clamped in the middle of the spring wire 2402 which is wound into a spiral shape in advance so as to solve the problems that the metal spring needle tail 2401 is not firm when being connected with a needle body and the like, and the method comprises the following steps:
Step one, starting the transmission mechanism 2: the needle feeding mechanism is driven by the transmission mechanism 2 and transmits the needle thread 24 to the pressing mechanism;
Step two, needle tail 2401 pressing: the pressing mechanism is driven by the transmission mechanism 2 to press and form the needle tail 2401 of the needle wire 24 transmitted in the previous step.
Example 2
The basic structure of the device and the method for forming the needle thread with the sawtooth-shaped tail end in the embodiment is the same as that in the embodiment 1, and the differences and improvements are that: as shown in fig. 1, the bottom plate 1 is fixed to a foundation, a transmission mechanism 2 is fixedly mounted on the bottom plate 1, the transmission mechanism 2 includes a power module and a transmission gear 3 fixedly sleeved on a rotating shaft of the power module, a linkage gear 4 is engaged on the transmission gear 3, a gear i 5 is coaxially mounted on the linkage gear 4, and a gear ii 6 is engaged on the gear i 5;
the pressing mechanism comprises an upper roller 12 and a lower roller 13 which are matched; the upper roller 12 and the gear I5 are connected through a rotating shaft 8 and are respectively sleeved at two ends of the rotating shaft 8; the lower roller 13 is connected with the gear II 6 through another rotating shaft 8 and is respectively sleeved at two ends of the rotating shaft 8; the bearing blocks 7 are connected in a bilateral symmetry mode through a rotating shaft 8 and are fixedly installed on the bottom plate 1, and the bearing blocks 7 installed in an up-down symmetry mode are located between the upper roller 12 and the gear I5 and between the lower roller 13 and the gear II 6; as shown in fig. 3 and 4, a gap is left between the front half parts of the roller surfaces of the upper roller 12 and the lower roller 13, and the front half parts of the upper roller 12 and the horizontal plane form a certain inclination to facilitate the biting of the needle thread 24; the hole pattern formed by the back half parts of the roll surfaces of the upper roll 12 and the lower roll 13 is zigzag, so that the tail part of the needle thread 24 is bitten into the zigzag hole pattern and then the needle tail 2401 is zigzag;
the upper needle mechanism comprises an upper needle roller 14 and a lower needle slideway 17, and the upper needle roller 14 is a roller surface of the lower roller 13 extending outwards; a lower needle slideway 17 which is obliquely arranged at an angle with the ground is arranged on the bottom surface of the roller close to the feeding side of the upper needle roller 14, a support plate II 18 is fixedly connected to the side surface of the lower needle slideway 17, and the support plate II 18 is vertically arranged on the bottom plate 1; the roller surface of the needle feeding roller 14 is provided with a groove I25 capable of accommodating a needle wire 24 along the axial direction, so that automatic needle feeding is realized.
example 3
the basic structure of a needle thread forming device and a needle thread forming method with a sawtooth-shaped tail end in the embodiment is the same as that in embodiment 2, and the differences and improvements are as follows: as shown in fig. 8, grooves i 25 are engraved on the outer surface of the upper needle roller 14 along the axial direction thereof, and each groove i 25 is deep enough to accommodate only one needle wire 24, so that the saw-tooth shape pressed by the needle tail 2401 of each needle wire 24 is the same and uniform in depth; the grooves I25 are arranged intermittently along the axial direction so as to be suitable for the needle wires 24 with different lengths.
Example 4
the basic structure of the device and the method for forming the needle thread with the sawtooth-shaped tail end in the embodiment is the same as that in the embodiment 3, and the differences and improvements are that: as shown in fig. 1, a bolt ii 27 is fixedly mounted on the front surface of the bearing seat 7 fixedly connected to the upper needle roller 14, a needle blocking arm 23 is wound on the bolt ii 27, the other end of the needle blocking arm 23 transversely extends out of a section along the axial outer surface of the upper needle roller 14, and the extending section is vertically bent upwards at the middle position of the upper needle roller 14 and extends to the top of the upper needle roller 14 along the radial outer surface of the upper needle roller 14; one section that keeps off needle arm 23 and transversely stretch out plays a spacing effect to the stylolite 24 after the afterbody shaping, and its vertical one section laminating that stretches out is in go up the needle roller 14 upper surface, treat fashioned stylolite 24 and play the effect of preventing warping for the stylolite 2401 compression moulding process is more steady.
Example 5
the basic structure of the device and the method for forming the needle thread with the sawtooth-shaped tail end in the embodiment is the same as that in the embodiment 4, and the differences and improvements are that: as shown in fig. 1, a lower needle slide way 17 obliquely arranged at an angle with the ground is arranged on the bottom surface of the upper needle roller 14 close to the feeding side, and the angle is set as long as the needle thread 24 can transversely slide down along the lower needle slide way 17; the side face of the lower needle slide way 17 is fixedly connected with a support plate II 18, the support plate II 18 is vertically installed on the bottom plate 1, and the support plate II 18 is used for fixing the lower needle slide way 17.
Example 6
The basic structure of the device and the method for forming the needle thread with the sawtooth-shaped tail end in the embodiment is the same as that in the embodiment 5, and the differences and improvements are that: as shown in fig. 1, the bearings are all embedded into the respective chock 7, and the bearings and the chocks 7 are 4 bearings which are arranged symmetrically up and down and left and right and are arranged on the inner sides of the gear i 5, the upper roller 12, the gear ii 6 and the lower roller 13; the bearing blocks 7 which are distributed in an up-down symmetrical mode are connected through connecting rods 10, gaps are reserved among the bearing blocks 7, rubber pads 9 are arranged in the gaps, the connecting rods 10 penetrate through the rubber pads 9 to be connected with the bearing blocks 7 which are distributed in an up-down symmetrical mode, nuts 11 for adjusting the gaps are matched on the upper portions of the connecting rods 10, and the steps are as follows:
Step one, adjusting the distance between rollers: the rubber pads 9 are supported between the bearing blocks 7 which are symmetrically arranged up and down, and the upper bearing block 7 is pressed down to the position where the distance between the upper roller 12 and the lower roller 13 is equal to the thickness of the needle tail 2401 to be pressed according to the thickness of the needle tail 2401 to be pressed, namely the tooth height of the sawtooth;
Step two, adjusting the nut 11: the nut 11 which is matched and connected with the upper portion of the connecting rod 10 is screwed to adjust the distance between the upper roller 12 and the lower roller 13, when the upper bearing seat 7 is pressed downwards, the rubber pad 9 is elastically deformed, so that a certain buffering effect is achieved when the upper bearing seat 7 is downwards adjusted, the bearing seats 7 which are symmetrically arranged above the upper portion are guaranteed to be horizontally pressed downwards, and the connecting rod 10 is matched with the nut 11 to be fixedly connected with the bearing seats 7.
Example 7
the basic structure of the device and the method for forming the needle thread with the sawtooth-shaped tail end in the embodiment is the same as that in the embodiment 6, and the differences and improvements are that: as shown in fig. 1, a nut 11 is fitted on the connecting rod 10 to fix the bearing seat 7; the purpose of stabilizing the bearing seat 7 is achieved by increasing the number of nuts 11.
Example 8
the basic structure of a device and method for forming needles with saw-toothed tails according to this embodiment is the same as that of embodiment 7, and the differences and improvements are as follows: as shown in fig. 2, a through hole i 1201 and a through hole ii 1301 are formed in the circle center positions of the upper roll 12 and the lower roll 13, and a shaft i 1202 and a shaft ii 1302 are respectively clamped inside the through hole i 1201 and the through hole ii 1301; the ends of the shaft I1202 and the shaft II 1302 are fixedly arranged on the outer side surface of the bearing block 7 and are coaxially arranged with the rotating shaft 8 so as to drive the upper roller 12 and the lower roller 13.
example 9
The basic structure of the device and the method for forming the needle thread with the sawtooth-shaped tail end in the embodiment is the same as that in the embodiment 8, and the differences and improvements are that: as shown in fig. 1 and 2, the upper needle roller 12 and the lower roller 13 are clamped through a shaft ii 1302, so that the parts can be conveniently overhauled and replaced.
Example 10
The basic structure of the device and the method for forming the needle thread with the sawtooth-shaped tail end in the embodiment is the same as that in the embodiment 9, and the differences and improvements are that: as shown in fig. 1, a needle storage funnel 15 is arranged at a position, corresponding to the lower needle slide way 17, of the outer side surface of the feeding side roller surface of the upper needle roller 14, and the needle storage funnel 15 is of a semi-closed structure with an upper part opened outwards, so that the molded needles 24 can fall into the needle storage funnel 15, and collection and arrangement of the needles 24 are facilitated; one end face of the needle storage funnel is fixedly connected with a supporting plate I16, the supporting plate I16 is vertically installed on the bottom plate 1, and the length of the needle storage funnel 15 is larger than the axial total length of the lower roller 13 and the upper needle roller 14, so that the molded needle thread 24 can completely fall into the needle storage funnel 15.
Example 11
the basic structure of a device and method for forming needles and filaments with a flat tail end in this embodiment is the same as that in embodiment 10, and the differences and improvements are as follows: as shown in fig. 1, a supporting plate iii 19 is further disposed on the other side surface of the lower needle slide way 17, the supporting plate iii 19 is fixedly mounted on the bottom plate 1, and the side surface of the supporting plate iii 19 contacts with the side surface of the lower needle slide way 17 to support the lower needle slide way 17; a top rod 20 is fixedly installed on the outer side surface of the supporting plate III 19, the top rod 20 transversely penetrates into the supporting plate III 19, and the end part of the penetrating part of the top rod 20 is fixedly connected with a side baffle 22; a bolt I21 is arranged on the upper end face of the supporting plate III 19, the bolt I21 penetrates through the supporting plate III 19 and then contacts with the ejector rod 20, and the ejector rod 20 can control the side baffle 22 to move left and right along the upper surface of the lower needle slide way 17;
as shown in fig. 1 and 9, a groove ii 26 is vertically carved on the upper surface of the lower needle slide way 17 at a position corresponding to the groove i 25 on the upper needle roller 14; side shield 22 is rectangular shape and places the lower needle slide 17 upper surface, side shield 22 is on a parallel with recess II 26 of lower needle slide 17 upper surface, and along lower needle slide 17 upper surface horizontal slip, just side shield 22 with the interval is greater than between II 18 backup pads needle silk 24 length to adapt to the needle silk 24 of different length, its step is as follows:
step one, adjusting the width of a lower needle slide way 17: loosening the bolt I21 and pushing the mandril 20 forwards to enable the side baffle 22 to slide along the groove II 26 on the upper surface of the lower needle slideway 17, so that the distance between the inner surface of the side baffle 22 and the support plate II 18 is ensured to be larger than the length of the needle thread 24;
step two, fixing the side baffle 22: the bolt I21 is screwed down to fix the side baffle 22, and the needle thread 24 can transversely slide down from the upper surface of the lower needle slideway 17.
Example 12
The basic structure of a device and method for forming needles and filaments with a flat tail end according to this embodiment is the same as that of embodiment 11, and the differences and improvements are as follows: as shown in fig. 1, 5, 6 and 7, the transmission mechanism 2 drives the transmission gear 3 sleeved on the rotation shaft of the power module to rotate through the power module, and the steps are as follows:
step one, adjusting the distance between rollers: the rubber pads 9 are supported between the bearing blocks 7 which are symmetrically arranged up and down, nuts 11 which are matched and connected with the upper portions of the connecting rods 10 are screwed down according to the thickness of the pin tails 2401 to be pressed so as to adjust the distance between the upper roller 12 and the lower roller 13, the upper bearing blocks 7 are stopped when being pressed down until the distance between the upper roller 12 and the lower roller 13 is equal to the thickness of the pin tails 2401 to be pressed, meanwhile, the bearing blocks 7 which are symmetrically arranged up and down are ensured to be pressed horizontally, and the connecting rods 10 are matched with the nuts 11 so as to be fixedly connected with the bearing blocks 7;
step two, adjusting the needle feeding mechanism: adjusting the horizontal plane of the lower needle slideway 17 to be inclined at an angle with the ground, and screwing down a bolt I21 which is used for fixedly connecting the lower needle slideway 17 and arranged on the outer side of the supporting plate II 18; loosening the bolt I21, adjusting the side baffle plate 22 to enable the inclination of the side baffle plate to be parallel to the groove II 26 on the upper surface of the lower needle slideway 17, and then transversely penetrating the mandril 20 into the support plate III 19 to be fixedly connected with the side baffle plate 22; pushing the ejector rod 20 to push the side baffle 22 to slide left and right on the upper surface of the lower needle slideway 17 until the distance between the side baffle 22 and the support plate II 18 is larger than the length of the needle thread 24, and screwing the bolt I21 to fix the ejector rod 20;
Step three, starting the transmission mechanism 2: a switch on the transmission mechanism 2 is turned on, a power module drives the transmission gear 3 to rotate, the linkage gear 4 meshed on the transmission gear 3 starts to rotate so as to drive the gear I5 to coaxially rotate, and at the moment, the gear II 6 meshed on the gear I5 also starts to rotate and simultaneously drives a bearing in the bearing seat 7 to rotate; the bearing rotates to drive the rotating shaft 8 to rotate, so that the upper roller 12 and the lower roller 13 are driven to rotate relatively, and the upper needle roller 14 starts to rotate along with the lower roller 13;
step four, pressing and forming the pin tail 2401: the needle tail of the needle wire 24 to be formed is aligned with the inner side face of the support plate II 18 and is horizontally placed from the upper surface of the lower needle slide way 17, when the needle wire 24 to be formed slides to the lower end along the top end of the lower needle slide way 17 and contacts the lower roller 13 and the upper needle roller 14, the needle wire 24 realizes upper needle along a groove I25 engraved on the upper needle roller 14 and rotates along with the lower roller 13 and the upper needle roller 14, when the needle wire rotates to the highest point, the needle tail 2401 of the needle wire 24 is bitten into a roller gap between the upper roller 12 and the lower roller 13, the hole pattern between the upper roller 12 and the lower roller 13 is zigzag, and the needle tail 2401 is pressed into zigzag; the sawtooth-shaped needle tail can be clamped between the spring wires which are wound into a spiral shape in advance, so that the problems that a metal spring needle handle is not firm when connected with a needle body and the like are solved; for the connection problem of the plastic needle handle, the sawtooth-shaped needle wire 24 is placed into an injection mold, and injection molding is carried out for one time to be tightly combined with the sawtooth shape, so that the batch production is facilitated, and the cost is reduced.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (10)
1. The utility model provides a tail end is needle silk forming device of zigzag which characterized in that: the needle pressing mechanism comprises a bottom plate (1), and a transmission mechanism (2), a pressing mechanism and a needle feeding mechanism which are sequentially connected with one another in a transmission manner on the bottom plate (1) in a transmission sequence, wherein the transmission mechanism (2) outputs power to the pressing mechanism and the needle feeding mechanism, the needle feeding mechanism transmits a needle thread (24) to the pressing mechanism, and the pressing mechanism presses the tail end of the needle thread (24) transmitted by the needle feeding mechanism into a zigzag shape.
2. the needle wire forming device with the sawtooth-shaped tail end as claimed in claim 1, wherein: the base plate (1) is fixed with a foundation, a transmission mechanism (2) is fixedly installed on the base plate (1), the transmission mechanism (2) comprises a power module and a transmission gear (3) fixedly sleeved on a rotating shaft of the power module, a linkage gear (4) is meshed on the transmission gear (3), a gear I (5) is coaxially installed on the linkage gear (4), and a gear II (6) is meshed on the gear I (5);
the pressing mechanism comprises an upper roller (12) and a lower roller (13) which are matched; the upper roller (12) is connected with the gear I (5) through a rotating shaft (8) and is respectively sleeved at two ends of the rotating shaft (8); the lower roller (13) is connected with the gear II (6) through another rotating shaft (8) and respectively sleeved at two ends of the rotating shaft (8); the bearing blocks (7) are connected in a bilateral symmetry mode through a rotating shaft (8) and are fixedly installed on the bottom plate (1), and the bearing blocks (7) installed in an up-down symmetry mode are located between the upper roller (12) and the gear I (5) and between the lower roller (13) and the gear II (6); a gap is reserved between the front half part of the roll surface of the upper roll (12) and the front half part of the roll surface of the lower roll (13), and the roll surface of the rear half part is meshed into a zigzag hole pattern;
The upper needle mechanism comprises an upper needle roller (14) and a lower needle slideway (17), and the upper needle roller (14) is a roller surface of the lower roller (13) extending outwards; a lower needle slideway (17) which is obliquely arranged at an angle with the ground is arranged on the bottom surface of the roller close to the feeding side of the upper needle roller (14), a support plate II (18) is fixedly connected to the side surface of the lower needle slideway (17), and the support plate II (18) is vertically arranged on the bottom plate (1); a groove I (25) capable of accommodating a needle wire (24) is engraved on the surface of the needle feeding roller (14) along the axial direction.
3. the needle wire forming device with the sawtooth-shaped tail end as claimed in claim 2, wherein: go up needle roller (14) fixed connection the anterior fixed surface of bearing frame (7) installs the bolt, the winding has fender needle arm (23) on bolt II (27), keep off needle arm (23) other end along go up needle roller (14) axial surface transversely stretches out one section, it is in to stretch out the section go up the vertical upwards buckling of needle roller (14) middle part position, and along go up needle roller (14) radial surface extend to go up the top of needle roller (14).
4. The needle wire forming device with the sawtooth-shaped tail end as claimed in claim 2, wherein: the rotating shaft (8) is also sleeved with bearings, the bearings are embedded into respective bearing seats (7), the bearings and the bearing seats (7) are 4 which are symmetrically arranged up and down, left and right, and are arranged on the inner sides of the gear I (5), the upper roller (12), the gear II (6) and the lower roller (13); the bearing blocks (7) which are distributed in an up-and-down symmetrical mode are connected through connecting rods (10), gaps are reserved among the bearing blocks (7), rubber pads (9) are arranged in the gaps, the connecting rods (10) penetrate through the rubber pads (9) to be connected with the bearing blocks (7) which are distributed in an up-and-down symmetrical mode, and nuts (11) for adjusting the gaps are matched on the upper portions of the connecting rods (10).
5. the needle wire forming device with the sawtooth-shaped tail end as claimed in claim 4, wherein: a through hole I (1201) and a through hole II (1301) are formed in the circle center positions of the upper roller (12) and the lower roller (13), and a shaft I (1202) and a shaft II (1302) are respectively clamped inside the through hole I (1201) and the through hole II (1301); the end parts of the shaft I (1202) and the shaft II (1302) are fixedly arranged on the outer side surface of the bearing seat (7) and are coaxially arranged with the rotating shaft (8).
6. The needle wire forming device with the sawtooth-shaped tail end as claimed in claim 2, wherein: press close to go up needle roller (14) unloading lateral roll surface's lateral surface corresponds the position of lower needle slide (17) is provided with stores up needle funnel (15), store up needle funnel (15) and be the half enclosed construction of the top external-open, its one end fixedly connected with backup pad I (16), backup pad I (16) vertical installation be in on bottom plate (1), it is greater than to store up needle funnel (15) length lower roll (13) and last needle roller (14) axial total length.
7. The needle wire forming device with the sawtooth-shaped tail end as claimed in claim 3, wherein: the another side of lower needle slide (17) still is provided with backup pad III (19), backup pad III (19) fixed mounting is on bottom plate (1), backup pad III (19) side with lower needle slide (17) side contact.
8. the needle wire forming device with the sawtooth-shaped tail end as claimed in claim 7, wherein: a top rod (20) is fixedly mounted on the outer side surface of the supporting plate III (19), the top rod (20) transversely penetrates into the supporting plate III (19), and the end part of the penetrating part of the top rod (20) is fixedly connected with a side baffle (22); the up end of backup pad III (19) is provided with bolt I (21), bolt I (21) penetrate behind backup pad III (19) with ejector pin (20) contact.
9. The needle wire forming device with the sawtooth-shaped tail end as claimed in claim 6, wherein: a groove II (26) is vertically carved on the upper surface of the lower needle slideway (17) corresponding to the groove I (25) on the upper needle roller (14); side shield (22) are rectangular shape and place down needle slide (17) upper surface, side shield (22) are on a parallel with recess II (26) of down needle slide (17) upper surface, and along down needle slide (17) upper surface side to side slip.
10. The needle thread forming method of the needle thread forming device with the sawtooth-shaped tail end as claimed in any one of claims 1 to 9, wherein: the transmission mechanism (2) drives the transmission gear (3) which is sleeved on the rotating shaft of the power module to rotate through the power module, and the steps are as follows:
Step one, starting a transmission mechanism (2): the needle feeding mechanism is driven by the transmission mechanism (2) and transmits the needle thread (24) to the pressing mechanism;
Step two, pressing and forming a needle tail (2401): the pressing mechanism is driven by the transmission mechanism (2) to press the needle tail (2401) of the needle thread (24) transmitted in the previous step into a zigzag shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910941598.7A CN110538877B (en) | 2019-09-30 | 2019-09-30 | Needle filament forming device with zigzag tail end and forming method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910941598.7A CN110538877B (en) | 2019-09-30 | 2019-09-30 | Needle filament forming device with zigzag tail end and forming method |
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| Publication Number | Publication Date |
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| CN110538877A true CN110538877A (en) | 2019-12-06 |
| CN110538877B CN110538877B (en) | 2024-01-26 |
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| CN110538877B (en) | 2024-01-26 |
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