CN112387911A

CN112387911A - Tooth plate capable of extruding taper of tail of screw

Info

Publication number: CN112387911A
Application number: CN202011155408.8A
Authority: CN
Inventors: 田永军
Original assignee: Guangzhou Fast Precise Hardware Co ltd
Current assignee: Guangdong Fasite Precision Hardware Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-02-23
Anticipated expiration: 2040-10-26
Also published as: CN112387911B

Abstract

The invention discloses a tooth plate capable of extruding the taper of the tail part of a screw, which comprises an extrusion table for extruding the screw to form, wherein a thread rolling mechanism is arranged above the extrusion table and comprises a fixed tooth plate arranged in the middle of the top surface of the extrusion table and movable tooth plates arranged on two sides of the fixed tooth plate, a rotary table for driving the movable tooth plate to do reciprocating linear motion is arranged outside one end of the movable tooth plate, the two rotary tables are vertically arranged in parallel, a double-end motor is coaxially connected between central shafts of the two rotary tables, and the reciprocating linear motion of the movable tooth plate on one side of the fixed tooth plate can extrude the tail part of the screw and a screw rod at one time. The thread forming machine provided by the invention has the advantages that the thread forming mechanism on the extrusion table is used for carrying out thread forming on the cut material to form threads, and the tail cone strip and the extrusion strip which are respectively arranged on the movable tooth plate and the fixed tooth plate in the thread forming mechanism are used for extruding the tail part of the cut material into the cone shape, so that the one-step forming of the screw is realized, the structure is ingenious, the occupied space is small, and the practical value is realized.

Description

Tooth plate capable of extruding taper of tail of screw

Technical Field

The invention relates to the technical field of hardware processing, in particular to a tooth plate capable of extruding the taper of the tail of a screw.

Background

In the machining industry, hardware refers to mechanical parts processed by taking metals such as gold, silver, copper, iron and the like as materials, and the hardware is generally and commonly used and processed. The screw is used as one kind of fastener, and is usually used for fixing between woods, between metals and between wood and metals, in the existing machinery factory, before the screw is processed, a steel wire is firstly cut into a cut material, namely a raw material before the screw is formed, then the cut material is collected and transported to a thread rolling machine for thread rolling, and then the cut material is collected and transported to a chamfering machine for processing the taper of the tail part of the screw.

Disclosure of Invention

The invention aims to provide a dental plate capable of extruding the taper of the tail part of a screw so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides a tooth plate capable of extruding the taper of the tail part of a screw, which comprises an extrusion table for extruding and forming the screw and an upsetting table arranged on one side of the feed end of the extrusion table and used for upsetting and forming the head part of the screw, wherein a thread rolling mechanism is arranged above the extrusion table and comprises a fixed tooth plate arranged in the middle of the top surface of the extrusion table and a movable tooth plate arranged on two sides of the fixed tooth plate, a rotary table for driving the movable tooth plate to do reciprocating linear motion is arranged outside one end of the movable tooth plate, the two rotary tables are vertically arranged in parallel, a double-end motor is coaxially connected between central shafts of the two rotary tables, the reciprocating linear motion of the movable tooth plate on one side of the fixed tooth plate can extrude the tail part of the screw and a screw rod at one time, a guide table for guiding the movable tooth plate to do linear motion is arranged on the outer side of the movable tooth plate, and a material, the top surface of the upsetting platform is provided with a material guide mechanism which can axially move the truncated material along the material guide mechanism, a cutting mechanism which can cut a steel wire is installed outside the feed end of the material guide mechanism, a material stirring mechanism which can stir the truncated material in pairs is installed at the position, close to the discharge end, of the material guide mechanism, an upsetting mechanism which can upset and form the end of the truncated material is installed outside the discharge end of the material guide mechanism, a material pressing mechanism which compresses the truncated material is installed above the discharge end of the material guide mechanism, and a blanking pipe which guides the truncated material formed by upsetting to the material placing pipe is arranged below the upsetting mechanism.

As a further improvement of this technical scheme, the homonymy move the dental lamina with the outside of carousel all rotates and is connected with the gangbar, the diameter of carousel with the length of moving the dental lamina equals, move the inboard of dental lamina with the both sides of quiet dental lamina have been seted up a plurality ofly and have been moved alveolus and a plurality of quiet alveolus respectively, move the alveolus with quiet alveolus is opposite direction slope setting, move the inboard of dental lamina and be located a plurality of the below of moving the alveolus is equipped with the tail taper strip, the both sides of quiet dental lamina just are located the below of a plurality of quiet alveolus and are equipped with the extrusion strip with tail taper strip with the department of same position, the tail taper strip with the extrusion strip all is base horizontally triangular prism structure, the height of tail taper strip is from a plurality of one end that moves the alveolus overall height to a plurality of moving the one end that the alveolu.

As a further improvement of the technical scheme, the cutting mechanism comprises a cutting electric cylinder for providing downward pressure, a cutting block fixed at the bottom end of a piston rod of the cutting electric cylinder and a material fixing block arranged on one side of the cutting block and used for pressing a steel wire, the material fixing block is in contact with the steel wire in advance of the cutting block, and the material fixing block can move up and down along with the cutting block.

As a further improvement of this technical scheme, dial material mechanism including the material servo motor that dials that provides the revolving force, with dial material servo motor coaxial coupling dial the material roller and be located dial the fender material piece of material roller bottom one side, the one end that keeps off the material piece is equipped with the dwang perpendicularly, the outside of dwang is provided with supports its pivoted runing rest, it is equipped with a pair of linkage piece to dial material servo motor's output shaft near-end, the linkage piece is the fan-shaped structure of quarter tricircle, dial on material servo motor's the output shaft and be located a pair of linkage piece between the joint have be used for stimulateeing dwang pivoted pull ring, the rotation of linkage piece can drive intermittent type reciprocating type rotation is done to the dwang.

The upsetting mechanism comprises an electric upsetting cylinder providing horizontal thrust, an upsetting block capable of linearly reciprocating and arranged at the front end of an output shaft of the upsetting mechanism, and an upsetting column arranged inside the upsetting block, wherein upsetting holes are symmetrically formed in the front end of the upsetting block, an upsetting column hole connected with the upsetting column in an inserting mode is formed in the middle of the inner end of the upsetting hole, the inner end of the upsetting hole is of a hemispherical cavity structure, the front end of the upsetting column is a concave arc surface, a cross block or a straight block is arranged in the middle of the upsetting column, the material pressing mechanism comprises an electric material pressing cylinder providing downward pressure and a material pressing block fixed to the bottom end of an output shaft of the electric material pressing cylinder, and a material blocking plate used for blocking the rear end of a cut material is arranged at one end, far away from the upsetting mechanism, of the material pressing block.

As a further improvement of the technical scheme, the material guiding mechanism comprises a material guiding table, a buffering table and a material placing block, wherein the material guiding table and the buffering table are in end-to-end butt joint, material sliding channels are symmetrically arranged on two sides of the material guiding table, a material sliding cavity in an inverted U shape is formed in the bottom surface of each material sliding channel and in the length direction of the material sliding channel, buffering stop blocks are symmetrically arranged on two sides of the buffering table, cylindrical grooves are symmetrically formed in the top surface of each material placing block, partition grooves clamped with the material blocking plates are transversely formed in the middle of the top surface of each material placing block, and the central axes of the material sliding cavity, the buffering stop blocks and the cylindrical grooves are all located on the same vertical plane.

As the further improvement of this technical scheme, the heading platform divide into the platform of cutting off that is the level form, the gliding section that is the downward sloping form, the buffer segment that is the level form and be the material platform of pressing that bends into the level form downwards from the highest point to the lowest end in proper order, the middle part of cutting off the platform is fixed with and is located a tray under the material piece, the gliding section with be equipped with a plurality of spacing posts on the top surface length direction central line of buffer segment, the material platform of leading with set up on the top surface length direction central line of buffer segment with the spacing hole that spacing post cup jointed.

As the further improvement of this technical scheme, the high-end outside of heading material platform has set gradually the alignment frame and has put the guide frame, it is the ring structure and first one side above it to put the guide frame and is the opening form, the welding of the inner wall middle part of putting the guide frame has the baffle that is circular structure, the both sides middle part of baffle is equipped with the platform of placing that is cylindrical structure, the outside cover of placing the platform is equipped with the lapping steel wire, the place ahead of putting the guide frame is provided with the clearance piece, the trepanning has been seted up to the bottom symmetry of clearance piece, the inside joint of trepanning has the piece of wearing that is the ring structure.

As a further improvement of the technical scheme, the top surface of the straightening frame is sequentially provided with a wire drawing table and a straightening table from the front to the back, one side of the upper half part of the wire drawing table is symmetrically provided with a wire drawing servo motor for providing tension, the front end of an output shaft of the wire drawing servo motor is coaxially connected with a rotating shaft, the side surface of the wire drawing table is positioned under the wire drawing servo motor, a rotating shaft is embedded under the wire drawing servo motor, the outer side surface of the rotating shaft is tightly sleeved with a wire drawing wheel, the outer side surface of the wire drawing wheel is symmetrically provided with wire pressing grooves, the cross sections of the wire pressing grooves are semicircular, the diameters of the wire pressing grooves are equal to the diameter of a single steel wire of the coiled.

As a further improvement of the technical scheme, the bottom end of the straightening table is symmetrically provided with positioning strips, the rear end of the top surface of the straightening frame is provided with a T-shaped positioning slot which is spliced with the positioning strips, the side surface of the straightening table is provided with a plurality of pairs of jacks at equal intervals in the vertical direction, the rear end of the straightening table is provided with a pair of upper holes and a pair of lower holes in the vertical direction, the circle center of each upper hole is higher than that of each jack, the circle center of each lower hole is lower than that of each jack, the two sides of the straightening table are coaxially connected with the jacks, the upper holes and the lower holes, and the middle part of the outer side surface of each straightening wheel is provided with a wire pressing slot.

Compared with the prior art, the invention has the beneficial effects that:

1. in this can extrude tapered dental lamina of screw afterbody, rub the tooth to cut the material through the tooth mechanism of rubbing in the extrusion bench and rub the tooth and form the screw thread to tail awl strip and extrusion strip that are equipped with respectively on the sound dental lamina in the tooth mechanism of rubbing in the tooth extrude the taper shape to the afterbody of cutting the material, realize the one shot forming of screw, its structure is ingenious and take up an area of the space little, has practical value.

2. In this can extrude tapered dental lamina of screw afterbody, the upset material platform through setting up is to cutting off the material and is cut earlier then the upset operation, mainly can be in step to cutting off the upset head shaping through the upset head piece in the upset head mechanism and the heading post, wherein the front end of heading post can be made cross or a style of calligraphy for the head can form cross recess and a style of calligraphy groove, this mechanism makes the screw upset head target in place one step, save screw head fluting process, and the production efficiency is improved, has spreading value.

3. In this can extrude tapering dental lamina of screw afterbody, carry out the alignment to the lapping steel wire through the alignment frame, carry again to cut into by the distance in the cutting mechanism on the heading platform and cut the material, rethread guide mechanism continues to carry, and whole process need not the manual work and takes, does benefit to the processing of screw efficient.

Drawings

FIG. 1 is a schematic view showing the overall structure of an extrusion station and an upsetting station in example 1;

FIG. 2 is a schematic view of the entire structure of an extrusion table according to embodiment 1;

FIG. 3 is a schematic view of the structure of an extrusion table in example 1;

FIG. 4 is a schematic view showing an assembling structure of the thread rolling mechanism according to embodiment 1;

FIG. 5 is a partial exploded view of the thread rolling mechanism according to embodiment 1;

FIG. 6 is a schematic structural diagram showing the positions of a movable tooth plate and a fixed tooth plate in example 1;

FIG. 7 is a schematic view of the structure of a guide table of embodiment 1;

FIG. 8 is a schematic view of the structure of a guide cover in accordance with embodiment 1;

FIG. 9 is a partially exploded view of the charge pipe in example 1;

FIG. 10 is a schematic view showing the entire structure of the upsetting table of example 1;

fig. 11 is a partially exploded view of the upsetting table of embodiment 1;

FIG. 12 is an enlarged view of the structure at the point A in example 10;

FIG. 13 is a partially exploded view of the shut-off mechanism of embodiment 1;

FIG. 14 is a schematic view of the setting mechanism assembly of embodiment 1;

fig. 15 is a schematic structural view of a material blocking state of the material poking mechanism in embodiment 1;

FIG. 16 is a schematic structural view of the setting state of the setting mechanism in embodiment 1;

FIG. 17 is a partially exploded view of the setting mechanism of embodiment 1;

FIG. 18 is an enlarged view of the structure of example 10 at B;

FIG. 19 is a schematic view of an assembling structure of the heading mechanism according to embodiment 1;

FIG. 20 is a partial sectional view of the upset block of example 1;

FIG. 21 is a schematic view of the structure of the upset column of example 1;

FIG. 22 is a schematic view of the structure of an upset head holder of example 1;

fig. 23 is a schematic view of an assembly structure of the swaging mechanism of embodiment 1;

FIG. 24 is a schematic view of a down pipe structure according to embodiment 1;

FIG. 25 is a schematic view of an overall assembly structure of embodiment 1;

FIG. 26 is an exploded view of the wire laying frame according to embodiment 1;

FIG. 27 is an exploded view of the cleaning block of embodiment 1;

fig. 28 is a schematic view of an assembled structure of the straightening bench according to embodiment 1;

FIG. 29 is a schematic view of a drawing roller structure according to embodiment 1;

fig. 30 is a schematic view of the alignment frame according to embodiment 1;

fig. 31 is a schematic structural view of the straightening table in embodiment 1.

The various reference numbers in the figures mean:

100. an extrusion table; 101. a limiting table; 102. a limiting cavity;

110. a thread rolling mechanism; 111. a turntable; 112. a double-headed motor; 113. a rotation pin; 114. a linkage rod; 1140. sleeving heads; 115. a linkage head; 116. a movable tooth plate; 1160. a movable tooth socket; 1161. a tail cone strip; 1162. a puller head; 1163. a slide pin; 117. a tooth-static plate; 1170. a tooth-calming trough; 1171. extruding the strip; 1172. a limiting strip;

120. a guide table; 1200. a guide groove; 1201. a fixed block; 121. a guide cover; 1210. a limiting groove; 1211. fixing a column; 130. placing a material pipe; 131. a sliding port; 132. positioning blocks; 133. layering; 134. a chute; 135. a bracket;

140. a support frame; 150. a material storage box; 151. a universal wheel;

200. a heading table; 201. a cutting table; 202. a support block; 203. a lower sliding section; 204. a buffer section; 205. a material pressing platform; 206. a limiting column; 210. a material guiding mechanism; 211. a material guide table; 2110. a material sliding channel; 2111. a material sliding cavity; 2112. a material blocking block; 2113. a material introducing port; 2114. a limiting hole; 212. a buffer table; 2120. a buffer stop block; 2121. an avoidance section; 213. placing a material block; 2130. a cylindrical groove; 2131. separating the grooves;

220. a cutting mechanism; 221. cutting off the electric cylinder; 222. cutting off the block; 223. a pressure spring; 224. a material fixing block; 2240. a material fixing groove; 2241. a link ring; 225. a suspension table;

230. a material poking mechanism; 231. a material shifting servo motor; 2310. a linkage block; 232. a material stirring roller; 2320. a silica gel sleeve; 2321. a cylindrical bar; 233. a material blocking block; 2330. rotating the rod; 2331. a circular truncated cone; 2332. rotating the hole; 234. a pull ring; 2340. a small sleeve; 235. a rubber band; 236. rotating support

240. A heading mechanism; 241. an electric heading cylinder; 242. heading blocks; 2420. heading holes; 2421. upsetting a column hole; 2422. a slider; 243. upsetting a column; 244. a heading support; 2440. a guide post; 2441. a return spring; 2442. a stay bar;

250. a material pressing mechanism; 251. pressing an electric cylinder; 252. pressing blocks; 2520. a striker plate; 253. a support frame;

260. a blanking pipe; 261. a material receiving cover; 262. bending sections; 2620. a blanking hole; 263. a material sliding section; 2630. a chute;

300. placing a wire frame; 301. a partition plate; 302. a placing table; 303. a wire baffle plate; 304. a frame bar; 305. placing a plate table;

310. coiling the steel wire; 320. cleaning the block; 321. trepanning; 322. threading the silk block; 323. an ash receiving plate;

400. a straightening frame; 401. positioning a groove; 402. a dust storage box;

410. a wire drawing table; 411. a wire drawing servo motor; 412. a rotating shaft; 413. a wire drawing wheel; 4130. a wire pressing groove;

420. a straightening table; 421. a jack; 422. an upper hole; 423. a lower hole; 424. a positioning bar; 425. and a straightening wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central axis", "lateral", "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

Referring to fig. 1 to 31, the present invention provides a die plate capable of extruding a taper of a screw tail, including an extrusion table 100 for extruding a screw to form, and an upsetting table 200 disposed at one side of a feed end of the extrusion table 100 for upsetting a head of the screw. The upper portion of extrusion table 100 is provided with thread rolling mechanism 110, thread rolling mechanism 110 is including installing static tooth board 117 and the movable tooth board 116 that sets up in static tooth board 117 both sides in extrusion table 100 top surface middle part, and the one end outside of moving tooth board 116 is provided with the carousel 111 that drives it and make reciprocal linear motion, and two vertical parallel placements of carousel 111 and coaxial connection have double-end motor 112 between the two center pin, and double-end motor 112 provides rotary power for drive carousel 111 synchronous revolution. The screw tail and the screw can be extruded and formed at one time by the reciprocating linear motion of the movable tooth plate 116 on one side of the static tooth plate 117, the inner side of the front end of the movable tooth plate 116 is arc-shaped, and the cut material can slide between the movable tooth plate 116 and the static tooth plate 117 along the arc surface to be extruded and formed. The outer side of the movable tooth plate 116 is provided with a guide table 120 for guiding the movable tooth plate to move along a straight line, a material placing pipe 130 is suspended right above a gap between the two movable tooth plates 116 and the static tooth plate 117, a cut material subjected to heading by the heading table 200 slides into the material placing pipe 130, a section to be twisted of the cut material is suspended on the outer side surface of the static tooth plate 117, and when the movable tooth plate 116 moves from one end of the static tooth plate 117 to the other end, the suspended cut material is twisted into a thread shape and the tail of the cut material is extruded into a cone.

Specifically, the outer sides of the movable tooth plate 116 and the turntable 111 on the same side are rotatably connected with a linkage rod 114, the middle part of the outer side of the movable tooth plate 116 is provided with a pulling head 1162, one end of the linkage rod 114 is hinged with a linkage head 115, the linkage head 115 is hinged with the pulling head 1162, the linkage rod 114 and the linkage head 115 rotate on a vertical surface, the other end of the linkage rod 114 is provided with a sleeve head 1140, one side of the edge of the turntable 111 is embedded with a rotating pin 113 sleeved with the sleeve head 1140 to form a crank link mechanism, and by driving the turntable 111 to rotate, the rotating force is transmitted to the movable tooth plate 116 through the linkage rod 114, so that the movable tooth plate 116 makes reciprocating linear motion under the guiding action of the guide table 120;

the diameter of the rotary disc 111 is equal to the length of the movable tooth plate 116, that is, the rotary disc 111 rotates a circle to drive the starting end of the movable tooth plate 116 to move from one end of the fixed tooth plate 117 to the other end, so as to form a thread rolling movement for the screw. The inner side of the movable tooth plate 116 and the two sides of the static tooth plate 117 are respectively provided with a plurality of movable tooth grooves 1160 and a plurality of static tooth grooves 1170, the movable tooth grooves 1160 and the static tooth grooves 1170 are obliquely arranged in opposite directions, and the knowledge of mechanical principles shows that the cut material can be sunk into the movable tooth grooves 1160 and the static tooth grooves 1170 to form threads under the relative movement extrusion of the movable tooth plate 116 and the static tooth plate 117 due to the fact that metal has ductility and plasticity. The tail cone strip 1161 is arranged on the inner side of the movable tooth plate 116 and below the movable tooth grooves 1160 and on the two sides of the static tooth plate 117 and below the static tooth grooves 1170 and at the same position as the tail cone strip 1161, the tail cone strip 1161 and the extrusion strip 1171 are of triangular prism structures with horizontal bottom edges, the height of the tail cone strip 1161 gradually decreases from one end with the high total height of the movable tooth grooves 1160 to one end with the low total height of the movable tooth grooves 1160, and according to the thread rolling principle, the tail of the cut material can be extruded on the inclined surfaces of the tail cone strip 1161 and the extrusion strip 1171 to gradually form a taper under the relative movement extrusion of the movable tooth plate 116 and the static tooth plate 117. A support frame 140 is arranged below the turntable 111, a rolling bearing is embedded in the top end of the support frame 140, and the rolling bearing is sleeved with an output shaft of the double-head motor 112 so as to support the turntable 111 to rotate stably.

Further, the top surface middle part of extrusion platform 100 is fixed with spacing platform 101, and the spacing chamber 102 that is the type of falling T is seted up to the middle part one end of spacing platform 101, and quiet dental lamina 117's bottom is equipped with spacing 1172 along its long limit bilateral symmetry, and quiet dental lamina 117 and spacing 1172 are whole to be pegged graft the cooperation with spacing chamber 102, and the open end of spacing platform 101 runs through there is the bolt for quiet dental lamina 117 is firm. This structure makes the static tooth plate 117 easy to disassemble and assemble so as to replace the static tooth plate 117 with different slopes and different heights, thereby matching with the corresponding movable tooth plate 116 to thread screws with different lengths and different thread pitches. Storage box 150 is placed to the one end that extrusion station 100 kept away from thread rolling mechanism 110, and it is used for collecting the material that cuts after being twisted with the threads, and universal wheel 151 is all installed to the bottom surface corner of storage box 150, the transportation of being convenient for storage box 150's the propelling movement.

Specifically, the guide table 120 is fixed on the extrusion table 100 by bolts, a plurality of guide grooves 1200 are formed in the top surface of the guide table 120 at equal intervals along the length direction of the guide table, a guide cover 121 is arranged right above the guide table 120, fixed blocks 1201 are arranged at two ends of the top surface of the guide table 120, fixed columns 1211 are arranged at two ends of the top surface of the guide cover 121, and the fixed blocks 1201 and the fixed columns 1211 are fixedly connected by bolts. The bottom surface of the guide cover 121 is provided with a plurality of limiting grooves 1210 at the same position as the plurality of guide grooves 1200 at equal intervals along the length direction, the root part of the top surface of the traction head 1162 is embedded with a sliding pin 1163, the sliding pin 1163 is clamped and slidable with the guide grooves 1200 and the limiting grooves 1210 at the same position, the sliding pin 1163 is clamped on the guide grooves 1200 and the limiting grooves 1210 at different positions, the distance between the movable-tooth plate 116 and the static-tooth plate 117 can be changed, the screw processing and forming machine can be suitable for screws with different diameters, wherein the length of the rotating pin 113 is enough for the sleeve head 1140 to move without slipping, and the nut can be connected with the outer end of the rotating pin 113 in a threaded manner to block and limit.

In addition, the material placing pipe 130 is a square pipe structure, the inner width of the material placing pipe is required to be larger than the diameter of the head of the upset screw so that the cut material can slide smoothly in the material placing pipe, a sliding opening 131 is formed in the center line of the length direction of the bottom surface of the material placing pipe 130, the width of the sliding opening 131 is larger than the diameter of the body section of the upset screw and smaller than the diameter of the head of the upset screw so that the cut material after upset is hung in the material placing pipe 130, the rest sections are exposed, and the cut material is twisted by the thread twisting mechanism. The inside sliding connection of putting material pipe 130 has locating piece 132, the top threaded connection of locating piece 132 has layering 133, it is putting material pipe 130 and making locating piece 132 stable to extrude through rotatory layering 133, and block the material that cuts of the upset head that slides in, put the top surface of material pipe 130 and seted up spout 134, so that the screw thread post that the locating piece 132 top was equipped with passes, the tail end welding of two material pipes 130 of putting has bracket 135, bracket 135 passes through bolt fixed connection with extrusion platform 100, make and put material pipe 130 firm and be convenient for change.

When the screw is extruded and formed, the cut material of the upset head slides into the material placing pipe 130, then the double-head motor 112 is started to drive the turntable 111 to rotate synchronously, and then the movable tooth plate 116 is pushed by the linkage rod 114 to move in a relative linear motion with the fixed tooth plate 117 under the guidance of the guide table 120, so that the cut material suspended in the material placing pipe 130 is subjected to one-time thread rolling to form threads, and meanwhile, the threads are extruded to form tail taper, and the cut material after being subjected to the thread rolling has inertia to keep moving forwards, and the slide-out material placing pipe 130 falls into the material storage box 150 to be collected.

The top surface of the upsetting platform 200 is provided with a material guide mechanism 210 for moving the cut material along the axial direction, the outer side of the feed end of the material guide mechanism 210 is provided with a cutting mechanism 220 for cutting a steel wire, the material guide mechanism 210 is provided with a material shifting mechanism 230 capable of shifting the cut material in pairs near the discharge end thereof, the outer side of the discharge end of the material guide mechanism 210 is provided with an upsetting mechanism 240 for upsetting and forming the end of the cut material, a material pressing mechanism 250 for pressing the cut material is arranged above the discharge end of the material guide mechanism 210, the steel wire forms the cut material after being cut, slides to the material shifting mechanism 230 along the material guide mechanism 210, is conveyed to the material pressing mechanism 250 intermittently, and is pressed down by the material pressing mechanism 250 so as to smoothly upset and form the end of the cut material. A blanking pipe 260 for guiding the upset-formed cut material to the material placing pipe 130 is arranged below the upset mechanism 240, the blanking pipe 260 and the material placing pipe 130 have the same size, the top end of the blanking pipe 260 is provided with a funnel-shaped material receiving cover 261 so as to receive the upset-formed cut material falling from the upset platform 200, the middle part of the blanking pipe 260 is bent into a bending section 262 of a quarter circle, the bottom end of the bending section 262 is provided with a sliding section 263, the front end of the sliding section 263 is fixedly connected with the material feeding and discharging end of the material placing pipe 130, the bottom surface of the bottom end of the bending section 262 is provided with a blanking hole 2620, the bottom surface of the sliding section 263 is provided with a sliding groove 2630 communicated with the blanking hole 2620, the sliding groove 2630 is communicated with the sliding port 131 and has the same size so as to expose the body section of the upset material, the diameter of the blanking hole 2620 is larger than the diameter of the head formed by the screw so as to be pushed into the sliding material storage section 263 by the thread rolling mechanism 110 and be smoothly dropped into the blanking hole 2620, because the blanking hole 2620 is located at the circular arc bottom end of the bending section 262, the cut material falling from the top end of the blanking tube 260 is easy to form a throwing force through the bending section 262, and can smoothly slide through the blanking hole 2620 to enter the material placing tube 130, and the tail is squeezed by the thread to be rubbed.

Specifically, the cutoff mechanism 220 includes a cutoff electric cylinder 221 providing a downward pressure, a cutoff block 222 fixed at the bottom end of a piston rod of the cutoff electric cylinder 221, and a fixed material block 224 arranged at one side of the cutoff block 222 and used for pressing the steel wire, the fixed material block 224 can move up and down along with the cutoff block 222, an inverted U-shaped fixed material groove 2240 is symmetrically arranged at the bottom end of the fixed material block 224 so as to press the steel wire, a linkage ring 2241 is horizontally arranged at one side of the top of the fixed material block 224, a cylinder is arranged at the top of the cutoff block 222, a pressure spring 223 is sleeved outside the cylinder, the linkage ring 2241 is sleeved with the cylinder at the top and positioned below the pressure spring 223, so that the bottom surface of the fixed material block 224 is lower than the bottom surface of the cutoff block 222, the fixed material block 224 contacts the steel wire before the cutoff block 222, so as to press the steel wire first, the cutoff block 222 contacts the steel wire to cut the steel wire as a piston rod of the cutoff electric cylinder 221 moves downwards continuously, and, a limiting structure is formed, so that the downward moving piston rod presses the compression spring 223 to enable the material fixing block 224 to gradually press the steel wire. The bottom end of the cutoff electric cylinder 221 is fixed with a suspension table 225, and the suspension table 225 is fixedly connected with the heading table 200 through bolts.

Further, the material pulling mechanism 230 comprises a material pulling servo motor 231 for providing a rotating force, a material pulling roller 232 coaxially connected with the material pulling servo motor 231, and a material blocking block 233 located on one side of the bottom of the material pulling roller 232. One end of the material blocking block 233 is vertically provided with a rotating rod 2330, the outer side of the rotating rod 2330 is provided with a rotating bracket 236 for supporting the rotation thereof, the middle part of the rotating rod 2330 is provided with a rotating hole 2332 which is rotatably connected with a round hole at the top end of the rotating bracket 236 through a bolt, and the rotating bracket 236 is fixed on the upsetting table 200. A pair of linkage blocks 2310 is arranged at the proximal end of the output shaft of the material shifting servo motor 231, the linkage blocks 2310 are in a sector structure of a quarter-circle, and the corner of the opening edge is an arc angle, so that the top end of the rotating rod 2330 can slide smoothly along the outer edge of the linkage blocks 2310. The output shaft of the material shifting servo motor 231 is provided with a pull ring 234 for pulling the rotating rod 2330 to rotate, the pull ring 234 is an unclosed circular ring, the pull ring is made of spring steel and has excellent elasticity and toughness so as to be smoothly clamped and sleeved on the output shaft, one side of the pull ring 234 is provided with a small sleeve 2340, and a rubber band 235 is tied between the small sleeve 2340 and a top end circular hole of the rotating rod 2330 so as to form a pulling force. The rotation of the linkage block 2310 can drive the rotation rod 2330 to rotate in an intermittent reciprocating manner, a circular truncated cone 2331 is arranged on the inner side of the top of the rotation rod 2330, the circular truncated cone 2331 is pulled by the pull ring 234 to be attached to the outer edge of the linkage block 2310 to slide, when the opening of the linkage block 2310 rotates to one side of the rotation rod 2330, the top end of the rotation rod 2330 is pulled by the pull ring 234 to be attached to an output shaft, the bottom end of the rotation rod rotates outwards to be opened, and then the cut material is pushed forwards by the rotating material pushing roller 232. The outside cover of stirring material roller 232 is equipped with silica gel cover 2320, and one side of silica gel cover 2320 is equipped with protruding cylindricality strip 2321 along its axial direction, through the elasticity toughness of silica gel cover 2320, increases contact friction power, just can stir easily and cut the material, avoids producing and slides.

Specifically, the heading mechanism 240 includes a heading electric cylinder 241 for providing a horizontal thrust, a heading block 242 provided at a front end of an output shaft thereof and linearly reciprocally movable, and a heading column 243 provided inside the heading block 242. The front end of the heading block 242 is symmetrically provided with heading holes 2420, the inner diameter of the heading holes 2420 is the same as the diameter of the head formed by a screw, the middle part of the inner end of the heading holes 2420 is provided with heading column holes 2421 spliced with the heading columns 243, the heading column holes 2421 are of a counter bore structure, and the rear ends of the heading columns 243 are provided with round blocks, so that a limiting structure is formed, and the heading columns 243 are prevented from sliding out of the heading holes 2420. The inner end of the upset head hole 2420 is in a hemispherical cavity structure, and when the cut material is extruded into the upset head hole 2420, the end of the metal is extruded and deformed to fill the upset head hole 2420 due to the ductility and plasticity of the metal, so that the head of the screw is formed. The front end of the heading column 243 is a concave arc surface, and the middle part of the heading column is provided with a cross block or a straight block, so that a cross groove or a straight groove is formed at the end part after the material is cut and deformed by extrusion. The upset 243 can slide a section of the upset into the upset hole 2420 to create a buffer zone that reduces the instantaneous compressive force on the cross and line blocks. A sliding block 2422 is vertically arranged at the bottom of the heading block 242, a heading support 244 for supporting the heading block to work stably is arranged below the heading electric cylinder 241, guide posts 2440 penetrating through the sliding block 2422 are symmetrically arranged at the front end of the heading support 244, a return spring 2441 is sleeved on the front half section of the guide posts 2440, so that the pushed heading block 242 resets under the elastic force of the return spring 2441, a support rod 2442 is obliquely arranged in the middle of the bottom surface of the heading support 244 in a downward direction, and the support rod 2442 is fixedly connected with the upper half section of the blanking pipe 260, so that the blanking pipe 260 is stably suspended. The front ends of the guide columns 2440 and the support rods 2442 are fixedly connected with the side wall of the upsetting table 200, so that the heading mechanism 240 is stably suspended. The swaging mechanism 250 comprises a swaging electric cylinder 251 for providing downward pressure and a swaging block 252 fixed at the bottom end of an output shaft thereof, one end of the swaging block 252 far away from the heading mechanism 240 is provided with a material blocking plate 2520 for blocking the rear end of the cut material, so that the cut material is not retreated when being extruded by the heading block 242, two sides of the bottom end of the swaging electric cylinder 251 are fixed with a support frame 253, and two side cylinders of the support frame 253 are fixedly connected with the heading table 200, so that the swaging mechanism 250 works stably.

Further, the material guiding mechanism 210 comprises a material guiding platform 211, a buffering platform 212 and a material placing block 213 which are in butt joint end to end, wherein two sides of the material guiding platform 211 are symmetrically provided with material sliding channels 2110, the top end of each material sliding channel 2110 is fixed with a material blocking block 2112, two sides of the outer port of each material blocking block 2112 are provided with horn-shaped material guiding ports 2113, so that steel wires can be smoothly guided into the material blocking blocks 2112, and then smoothly enter the material sliding channels 2110 to slide downwards after being cut off. The bottom surface of the material sliding channel 2110 is provided with a material sliding cavity 2111 in an inverted U shape along the length direction, so that the cut steel wire can slide downwards along the guide direction of the cut steel wire. Buffer stops 2120 are symmetrically arranged on two sides of the buffer table 212, so that the chopped materials slide along the buffer stops 2120 to be buffered and decelerated. The discharge end of the buffering stopper 2120 is provided with a sunken avoiding section 2121 so that the kick-off roller 232 can contact the cut-off material in the buffering stopper 2120 and smoothly rotate to kick off the cut-off material to slide to the material placing block 213 to be upset. The top surface of the material loading block 213 is symmetrically provided with a cylindrical groove 2130 so that the cut material can slide along the guide direction of the cut material. The middle part of the top surface of the material placing block 213 is transversely provided with a separation groove 2131 which is clamped with the material blocking plate 2520, and because the cut material which slides down to the material placing block 213 has inertia for keeping moving forward, the cut material can slide to the front end part and stop, and the position of the separation groove 2131 can not enable the material blocking plate 2520 to press the cut material. The central axes of the material sliding cavity 2111, the buffer stop 2120 and the cylindrical groove 2130 are all on the same vertical plane, so that the cut material is smoothly transited and guided to slide, and the end part of the cut material is ensured to face the heading mechanism 240 all the time.

In addition, the upsetting table 200 is sequentially divided into a horizontal cutting table 201, a downward sliding section 203, a horizontal buffering section 204 and a material pressing table 205, which is bent downward to be horizontal, from the highest end to the lowest end. The middle part of the cutting table 201 is fixed with a supporting block 202 positioned right below the material fixing block 224, and the supporting block 202 and the downward-moving cutting block 222 can form shearing force to smoothly cut a section of steel wire pressed by the material fixing block 224 into a cut material. The central lines of the top surfaces of the lower sliding section 203 and the buffer section 204 in the length direction are provided with a plurality of limiting columns 206, and the central lines of the top surfaces of the material guide table 211 and the buffer table 212 in the length direction are provided with limiting holes 2114 which are sleeved with the limiting columns 206, so that the material guide table 211 and the buffer table 212 can be conveniently disassembled and assembled, and the steel wires with different diameters can be conveniently guided by replacing the material guide table.

When the screw heading is formed, a steel wire is extended to the top end opening of the material guide table 211 on the heading table 200, then the cut-off electric cylinder 221 is started, the cut-off block 222 and the fixed material block 224 are driven to move downwards together, the fixed material block 224 presses the steel wire on the support block 202 first, along with the continuous downward movement of the cut-off block 222, a piston rod of the cut-off electric cylinder 221 gradually presses the fixed material block 224 through pressing the pressure spring 223, so that the steel wire is stabilized until the cut-off block 222 contacts the steel wire to form a shearing force with the support block 202, the steel wire is cut off to form a cut-off material, the cut-off material slides along the material guide mechanism 210 until the material shifting mechanism 230 is blocked by the material blocking block 233, then the material shifting servo motor 231 is started to drive the material shifting roller 232 to rotate, before the cylindrical bar 2321 contacts the cut-off material, the opening of the linkage block 2310 is rotated to the top end side of the pull ring 2330, the rotating rod 2330 is rotated under the, with the rotation of the material shifting roller 232, the cut material is shifted out and slides down to the front end of the material placing block 213, and stops due to frictional resistance, the electric material pressing cylinder 251 is started to drive the material pressing block 252 to move down to press the cut material, only the front half section of the cut material is exposed, the electric heading cylinder 241 is started to drive the heading block 242 to move towards the cut material until the cut material enters the heading hole 2420 and is extruded into a screw round head shape, meanwhile, the heading column 243 can extrude the middle part of the front end of the cut material to form a cross groove or a straight groove, when the heading block 242 is reset by the reset spring, the electric material pressing cylinder 251 is started to drive the material pressing block 252 to separate from the cut material of the heading, when the material shifting mechanism 230 pushes the next pair of cut materials onto the material placing block 213, the cut material of the heading can be impacted, the cut material can fall into the material dropping pipe 260, and can slide to the material placing pipe 130 along with the cut material to be milled.

The outer side of the high end of the upsetting table 200 is sequentially provided with a straightening frame 400 and a wire placing frame 300, the wire placing frame 300 is in a circular ring structure, and one side of the upper half part of the wire placing frame is open, so that a steel wire extends out from the opening. Put the welding of the inner wall middle part of silk frame 300 and have baffle 301 that is circular structure, the both sides middle part of baffle 301 is equipped with the platform 302 of placing that is the cylinder structure, and the outside cover of placing platform 302 is equipped with lapping steel wire 310, and the outside threaded connection who places platform 302 has wire baffle 303, avoids lapping steel wire 310 from placing the slippage on the platform 302. The bottom of the wire placing frame 300 is vertically welded with a frame rod 304 for supporting, and two sides of the middle part of the frame rod 304 are welded with a plate placing platform 305 for placing the disassembled wire baffle plate 303 so as to replace the coiled steel wire 310. A cleaning block 320 is arranged in front of the thread placing frame 300, trepanning 321 is symmetrically formed in the bottom of the cleaning block 320, a thread penetrating block 322 in a circular ring structure is clamped inside the trepanning 321, oil stains and particles on the surface of a steel wire are smoothed out completely by penetrating through a center hole of the thread penetrating block 322, and the trepanning 321 is in a counter bore structure, so that a limiting structure is formed, and the thread penetrating block 322 is prevented from slipping. The bottom of the cleaning block 320 is clamped with an ash receiving plate 323 for guiding oil stains on the surface of the steel wire to slide down along the ash receiving plate 323, and an ash storage box 402 for collecting the oil stains on the surface of the steel wire is arranged below the ash receiving plate 323 so as to be conveniently treated in a centralized manner.

Specifically, a wire drawing table 410 and a straightening table 420 are sequentially arranged on the top surface of the straightening frame 400 from front to back, a wire drawing servo motor 411 for providing pulling force is symmetrically arranged on one side of the upper half portion of the wire drawing table 410, a rotating shaft 412 is coaxially connected to the front end of an output shaft of the wire drawing servo motor 411, a rotating shaft 412 is embedded in the side surface of the wire drawing table 410 and located under the wire drawing servo motor 411, a wire drawing wheel 413 is tightly sleeved on the outer side surface of the rotating shaft 412, a wire pressing groove 4130 is symmetrically formed in the outer side surface of the wire drawing wheel 413, the cross section of the wire pressing groove 4130 is semicircular, the diameter of the wire pressing groove is equal to the diameter of a single steel wire of the coiled steel wire 310, and the upper wire drawing wheel 413 and.

Furthermore, the bottom end of the straightening table 420 is symmetrically provided with positioning strips 424, and the rear end of the top surface of the straightening frame 400 is provided with a T-shaped positioning slot 401 inserted with the positioning strips 424, so that the straightening table 420 can be integrally replaced, and steel wires of different diameters can be straightened by matching the positioning slots. The side of alignment platform 420 and equidistantly seted up a plurality of pairs of jack 421 in the vertical direction, wherein alignment platform 420's rear end department has just seted up a pair of superior pore 422 and a pair of inferior pore 423 in the vertical direction, superior pore 422's centre of a circle height is higher than the centre of a circle height of jack 421, inferior pore 423's centre of a circle height is less than the centre of a circle height of jack 421, alignment platform 420's both sides and with jack 421, superior pore 422 and inferior pore 423 all coaxial coupling have alignment wheel 425, be located the alignment wheel 425 height difference of superior pore 422 and inferior pore 423 center pin both sides, thereby have the bending effect to the steel wire, in order to offset the coiling stress of lapping steel wire 310, make the steel wire easily roll the alignment smoothly by the alignment wheel 425 of jack 421 center pin both sides. The middle part of the outer side surface of the straightening wheel 425 is provided with a wire pressing groove 4130, and the wire pressing grooves 4130 of the straightening wheel 425 at the two sides of the straightening table 420 respectively correspond to the two wire pressing grooves 4130 of the wire drawing wheel 413, so that a steel wire can be clamped simultaneously for synchronous drawing operation.

When the coiled steel wire needs to be pulled and straightened, the coiled steel wire 310 is mounted on the wire placing frame 300, the head of the coiled steel wire 310 is pulled, the coiled steel wire sequentially passes through the wire passing block 322, the straightening wheels 425 and the wire pressing grooves 4130 of the wire drawing wheels 413, then the wire drawing servo motor 411 is started to drive the two wire drawing wheels 413 in the upper row, so that the single steel wire which rolls and pulls the coiled steel wire 310 with the two wire drawing wheels 413 in the lower row moves towards the upsetting table 200, and the coiled steel wire is rolled by a plurality of groups of straightening wheels 425 through the straightening table 420 to be straightened smoothly.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a can extrude tapered dental lamina of screw afterbody which characterized in that: including be used for extrusion screw fashioned extrusion platform (100) and extrusion platform (100) feed end one side sets up and is used for the fashioned upsetting material platform (200) of upsetting screw head, the top of extrusion platform (100) is provided with thread rolling mechanism (110), thread rolling mechanism (110) are including installing in quiet dental lamina (117) and the quiet dental lamina (117) both sides setting of extrusion platform (100) top surface middle part move dental lamina (116), move the one end outside of dental lamina (116) and be provided with drive its carousel (111) that is reciprocal linear motion, two carousel (111) vertical parallel placement and coaxial coupling have double-end motor (112) between the two center pins, move dental lamina (116) and be in the reciprocal linear motion of quiet dental lamina (117) one side can be with screw afterbody and screw rod extrusion molding at one time, the outside of moving dental lamina (116) is provided with guide table (120) of its along linear motion of guide, a material placing pipe (130) is suspended right above a gap between the two movable tooth plates (116) and the fixed tooth plates (117), a material guide mechanism (210) for axially moving a cut material along the material guide mechanism is arranged on the top surface of the material upsetting platform (200), a cut-off mechanism (220) for cutting a steel wire is arranged on the outer side of the feed end of the material guide mechanism (210), a material poking mechanism (230) capable of poking the cut material in pairs is arranged at the position, close to the discharge end, of the material guide mechanism (210), an upsetting mechanism (240) for upsetting and forming the end part of the cut material is arranged on the outer side of the discharge end of the material guide mechanism (210), a material pressing mechanism (250) for pressing the cut material is arranged above the discharge end of the material guide mechanism (210), and a material dropping pipe (260) for guiding the cut material formed by upsetting to the material placing pipe (130) is arranged below the upsetting mechanism (240).

2. The dental plate capable of compressing the taper of the tail of a screw according to claim 1, wherein: homonymy move dental lamina (116) with the outside of carousel (111) all rotates and is connected with gangbar (114), the diameter of carousel (111) with the length that moves dental lamina (116) equals, move the inboard of dental lamina (116) with the both sides of quiet dental lamina (117) have been seted up a plurality ofly respectively and have been moved alveolus (1160) and a plurality of quiet alveolus (1170), move alveolus (1160) with quiet alveolus (1170) is opposite direction slope setting, move the inboard of dental lamina (116) and be located a plurality of the below of moving alveolus (1160) is equipped with tail cone strip (1161), the both sides of quiet dental lamina (117) just are located the below of a plurality of quiet alveolus (1170) and are equipped with extrusion strip (1171) with tail cone strip (1161) with extrusion strip (1171) are all the triangular prism structure of base level, the height of tail cone strip (1161) is from a plurality of moving alveolus (1160) one end that total height is high to moving alveolus (1160) and moves the total height and moves the low total height and the trend is gradually reduced.

3. The dental plate capable of compressing the taper of the tail of a screw according to claim 1, wherein: the cutting mechanism (220) comprises a cutting electric cylinder (221) providing downward pressure, a cutting block (222) fixed to the bottom end of a piston rod of the cutting electric cylinder (221), and a material fixing block (224) arranged on one side of the cutting block (222) and used for pressing a steel wire, wherein the material fixing block (224) is in contact with the steel wire before the cutting block (222), and the material fixing block (224) can move up and down along with the cutting block (222).

4. The dental plate capable of compressing the taper of the tail of a screw according to claim 1, wherein: the material poking mechanism (230) comprises a material poking servo motor (231) for providing rotating force, a material poking roller (232) coaxially connected with the material poking servo motor (231) and a material blocking block (233) located on one side of the bottom of the material poking roller (232), a rotating rod (2330) is vertically arranged at one end of the material blocking block (233), a rotating support (236) for supporting the rotating rod (2330) is arranged on the outer side of the rotating rod (2330), a pair of linkage blocks (2310) are arranged at the proximal end of an output shaft of the material poking servo motor (231), the linkage blocks (2310) are of a sector structure of a quarter circle, a pull ring (234) used for pulling the rotating rod (2330) to rotate is clamped between the pair of linkage blocks (2310) on the output shaft of the material poking servo motor (231), and the rotation of the linkage blocks (2310) can drive the rotating rod (2330) to rotate in a reciprocating mode intermittently.

5. A dental plate capable of compressing the taper of the tail of a screw as claimed in claim 3, wherein: the upsetting mechanism (240) comprises an electric upsetting cylinder (241) providing horizontal thrust, an upsetting block (242) arranged at the front end of an output shaft of the upsetting mechanism and capable of linearly reciprocating and an upsetting column (243) arranged inside the upsetting block (242), wherein an upsetting hole (2420) is symmetrically formed in the front end of the upsetting block (242), an upsetting column hole (2421) spliced with the upsetting column (243) is formed in the middle of the inner end of the upsetting hole (2420), the inner end of the upsetting hole (2420) is of a hemispherical cavity structure, the front end of the upsetting column (243) is of a concave arc surface, a cross block or a straight block is arranged in the middle of the upsetting hole, the pressing mechanism (250) comprises an electric pressing cylinder (251) providing downward pressure and a pressing block (252) fixed to the bottom end of the output shaft of the pressing block (252), and a material blocking plate (2520) used for blocking the rear end of a cut material is arranged at one end, far away from the upsetting mechanism (240), of the pressing block (252).

6. The dental plate capable of compressing the taper of the tail of a screw according to claim 5, wherein: the guide mechanism (210) comprises a guide platform (211), a buffer platform (212) and a material placing block (213) which are in end-to-end butt joint, wherein material sliding channels (2110) are symmetrically arranged on two sides of the guide platform (211), an inverted U-shaped material sliding cavity (2111) is formed in the bottom surface of each material sliding channel (2110) along the length direction of the material sliding channel, buffer stoppers (2120) are symmetrically arranged on two sides of the buffer platform (212), cylindrical grooves (2130) are symmetrically formed in the top surface of the material placing block (213), partition grooves (2131) clamped with the material blocking plates (2520) are transversely formed in the middle of the top surface of the material placing block (213), and central axes of the material sliding cavities (2111), the buffer stoppers (2120) and the cylindrical grooves (2130) are located on the same vertical plane.

7. The dental plate capable of compressing the taper of the tail of a screw according to claim 6, wherein: the upsetting platform (200) divide into in proper order from the highest end to the lowest end and cut off platform (201), be gliding section (203) that the form of slope down, be buffer segment (204) of level form and be pressure material platform (205) of bending down into the level form that cut off platform (201), the middle part of cutting off platform (201) is fixed with and is located a support piece (202) under stator piece (224), gliding section (203) with be equipped with a plurality of spacing posts (206) on the top surface length direction central line of buffer segment (204), guide platform (211) with seted up on the top surface length direction central line of buffer segment (212) with spacing hole (2114) that spacing post (206) cup jointed.

8. The dental plate capable of compressing the taper of the tail of a screw according to claim 1, wherein: the high-end outside of upsetting platform (200) has set gradually straightening frame (400) and has put wire frame (300), it is ring structure and first one side above that and is the opening form to put wire frame (300), the welding of the inner wall middle part of putting wire frame (300) has baffle (301) that is circular structure, the both sides middle part of baffle (301) is equipped with places platform (302) that is cylindrical structure, the outside cover of placing platform (302) is equipped with lapping steel wire (310), the place ahead of putting wire frame (300) is provided with clearance piece (320), trepanning (321) have been seted up to the bottom symmetry of clearance piece (320), the inside joint of trepanning (321) has wire passing piece (322) that is the ring structure.

9. The dental plate capable of compressing the taper of the tail of a screw according to claim 8, wherein: the wire drawing bench is characterized in that a wire drawing bench (410) and a straightening bench (420) are sequentially arranged on the top surface of the straightening frame (400) from front to back, a wire drawing servo motor (411) for providing pulling force is symmetrically arranged on one side of the upper half part of the wire drawing bench (410), a rotating shaft (412) is coaxially connected to the front end of an output shaft of the wire drawing servo motor (411), the rotating shaft (412) is embedded in the side surface of the wire drawing bench (410) and located under the wire drawing servo motor (411), a wire drawing wheel (413) is tightly sleeved on the outer side surface of the rotating shaft (412), wire pressing grooves (4130) are symmetrically formed in the outer side surface of the wire drawing wheel (413), the cross section of each wire pressing groove (4130) is semicircular, the diameter of each wire pressing groove is equal to the diameter of a single steel wire of the coiled steel wire (310).

10. The dental plate capable of compressing the taper of the tail of a screw according to claim 9, wherein: the bottom end of the straightening table (420) is symmetrically provided with positioning strips (424), the rear end of the top surface of the straightening frame (400) is provided with a T-shaped positioning groove (401) which is spliced with the positioning strips (424), a plurality of pairs of jacks (421) are arranged on the side surface of the straightening table (420) at equal intervals in the vertical direction, wherein the rear end of the straightening table (420) is provided with a pair of upper holes (422) and a pair of lower holes (423) in the vertical direction, the height of the circle center of the upper hole (422) is higher than that of the circle center of the insertion hole (421), the height of the circle center of the lower hole (423) is lower than that of the circle center of the inserting hole (421), the two sides of the straightening table (420) are coaxially connected with the jack (421), the upper hole (422) and the lower hole (423) through straightening wheels (425), the middle part of the outer side surface of the straightening wheel (425) is provided with a wire pressing groove (4130).