CN212419423U - High-strength self-tapping screw production equipment - Google Patents

Abstract

The utility model relates to a self-tapping nail processing field, in particular to a high-strength self-tapping nail production device, which comprises a base, a first workbench, a second workbench, a wire feeding frame, a carrying frame, a controller, a limiting mechanism, a drawing mechanism and a cutting mechanism, wherein the first workbench is fixedly arranged on the base, the second workbench is fixedly arranged on the base and positioned beside the first workbench, the wire feeding frame is arranged at one side of the top of the first workbench, the carrying frame is fixedly arranged on the first workbench, the controller is fixedly arranged at one side of the top of the carrying frame, the limiting mechanism comprises a sliding component and a fixed component, the drawing mechanism comprises a rotating component and a lifting component, the cutting mechanism is arranged at the top of the second workbench, the utility model discloses a cold-drawing steel wire after acid pickling is firstly drawn, and the controller can intermittently supply cold-drawing steel wire blanks to a cutting die, convenient operation, it is safe high-efficient, greatly improved high strength self-tapping screw production efficiency.

Description

High-strength self-tapping screw production equipment

Technical Field

The utility model relates to a self-tapping nail processing field, concretely relates to high strength self-tapping nail production facility.

Background

The self-tapping screw is a steel fast-assembling fastener with galvanized and passivated surface, is mainly used for connecting thin metal plates, firstly forms a thread bottom hole on a connected piece during connection, and then screws the self-tapping screw into the thread bottom hole of the connected piece, and has wide application in industrial production.

In the production of tapping screw, the raw material such as cold-drawn steel wire is generally pickled before drawing, in order to remove the oxide film on the surface of the wire rod and form a layer of phosphate film on the surface, so as to reduce the rough surface of the wire rod and the scratch of sundries on the die, and the wire diameter required by cold drawing of the wire rod after the wire rod is pickled is a wire drawing machine.

A technology for manufacturing the self-tapping screw includes such steps as punching to obtain a blank, punching to fix a die, punching to shape the head of the blank, and moving the blank to form a screw thread.

At present, a mature forming integrated machine is used for a first die punching die and a second die and a thread rolling die of a self-tapping screw, and a blank required by a blank die is straightened by cold drawing of a steel wire and intermittently and continuously supplied, so that an error still exists, the deviation is easy to cause, and the subsequent punch forming is influenced, so that a high-strength self-tapping screw production device is needed to be designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high strength self-tapping screw production facility.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a high-strength self-tapping screw production device, which comprises a base, a first workbench, a second workbench, a wire feeding frame, a carrying frame, a controller, a limiting mechanism, a drawing mechanism and a cutting mechanism, wherein the first workbench is fixedly arranged on the base, the second workbench is fixedly arranged on the base and positioned beside the first workbench, the wire feeding frame is arranged on one side of the top of the first workbench, the carrying frame is fixedly arranged on the first workbench, the controller is fixedly arranged on one side of the top of the carrying frame, the limiting mechanism comprises a sliding component and a fixed component, the sliding component is arranged at one end of the top of the carrying frame, the fixed component is arranged under the sliding component and is in sliding connection with the sliding component, the drawing mechanism comprises a rotating component and a lifting component, the lifting component is arranged at one end of the top of the carrying frame far away from the sliding component, the rotating assembly is arranged under the lifting assembly, the rotating assembly penetrates through the carrying frame to be rotatably connected with the sliding assembly, and the cutting mechanism is arranged at the top of the second workbench.

Preferably, send the line frame to include bottom plate, sliding sleeve, slide bar, carousel and four winding posts, the bottom plate passes through bolt fastening and sets up on first workstation, the one end fixed of sliding sleeve sets up on the bottom plate, the pot head of slide bar is located in the sliding sleeve, the bottom of carousel passes through bolt fastening and sets up in the top of slide bar, four the winding post is cyclic annular and evenly sets up in the top of carousel.

Preferably, the slip subassembly includes roof, first cylinder, traveller and a plurality of regulation rim plate, the roof passes through the bolt fastening and sets up in the board top of taking up, first cylinder is handstand form and fixes setting up on the roof, the traveller sets up in the bottom of roof, the output and the traveller fixed connection of first cylinder are a plurality of adjust the fixed align to grid of rim plate and set up in traveller one side, every all be equipped with first spacing groove on the regulation rim plate.

Preferably, fixed subassembly includes slip table, bar pole and a plurality of fixed rim plate, the slip table passes through the bolt fastening and sets up on the board of taking, the bar pole is fixed to be set up in slip table bottom one side, a plurality of fixed rim plate align to grid sets up on the bar pole, slip table lateral part symmetry is equipped with twice bar groove, the both ends and the twice bar groove sliding fit of traveller, the fixed dead lever that is equipped with of slip table one end, dead lever one end is equipped with the perforation that supplies the cold wire raw materials that draws to pass.

Preferably, rotating assembly includes frame, step motor, reduction gear, interlock wheel, pivot and pushes down the wheel, the frame passes through the bolt fastening and sets up on carrying the frame, step motor fixes and sets up on the frame, reduction gear one end input is fixed to be set up on step motor's output shaft, the interlock wheel rotates and sets up in carrying the frame upper end, the output shaft fixed connection of shaft coupling and reduction gear is passed to the one end of pivot, and the other end of pivot passes interlock wheel and pushes down a fixed connection, be equipped with the second spacing groove on the pinch roller down, and push down the wheel and be located same water flat line with regulation rim plate and fixed rim plate.

Preferably, lifting unit includes support plate, second cylinder, joint piece, sliding seat, interlock board and last pinch roller, the support plate is fixed to be set up in the carriage top one end of keeping away from the roof, the second cylinder is handstand form and sets up on the support plate, the top of joint piece is fixed to be set up on the output shaft of second cylinder, the bottom and the fixed joint cooperation in interlock board one end top of joint piece, the sliding seat is fixed to be set up in one side of carriage, the other end and the sliding seat sliding fit of interlock board, it sets up in interlock board one side of joint piece bottom to go up the pinch roller fixed.

Preferably, cutting mechanism includes pedestal, third cylinder, dashes piece, support frame, the platform of beating the head and a pair of spacing seat, the pedestal is fixed to be set up on the second workstation, the third cylinder is the fixed setting in pedestal top of horizontality, dash the output shaft fixed connection of piece and third cylinder, and is a pair of spacing seat symmetry is fixed to be set up on the second workstation of pedestal side, and every spacing seat lateral part all is equipped with the semicircular groove that the cooling draws the round steel to pass, and is a pair of spacing seat is the laminating setting with dashing the piece.

Preferably, the heading table is fixedly arranged on a second workbench beside a pair of limiting seats, the support frame is fixedly arranged on the second workbench beside the pedestal, and the pair of limiting seats are positioned at the bottom of the support frame.

Preferably, the controller is electrically connected with the stepping motor, the first cylinder, the second cylinder and the third cylinder.

The utility model has the advantages that: firstly, a coiled cold-drawn steel wire is sleeved on four winding columns, one end of the cold-drawn steel wire is manually drawn, the cold-drawn steel wire passes through first limiting grooves between a plurality of fixed wheel discs and an adjusting wheel disc along with the rotation of a rotary disc and a slide rod in a sliding sleeve, the cold-drawn steel wire is led out through a through hole at one end of a fixed rod and a second limiting groove on a pressing wheel by the first limiting groove, finally, a preset value is led out through semicircular grooves oppositely arranged on a pair of limiting tables, then, a first air cylinder switch is opened by an operating controller, an output shaft of a first air cylinder drives the slide rod to slide in a pair of strip-shaped grooves on the sliding table, so that the cold-drawn steel wire is limited by the plurality of adjusting wheel discs and the fixed wheel discs, the second air cylinder switch is opened by the operating controller, a clamping block is driven by a second air cylinder to translate downwards, the clamping block drives a linkage plate to, and to its spacingly, the operation controller starts the third cylinder, and the output shaft of third cylinder drives the kicking block and cuts the former blank of cold-drawn steel wire that extends preset length from a pair of spacing platform, starts step motor this moment, and step motor's output shaft drives the pivot through the reduction gear and rotates to the pivot drives the interlock wheel and rotates with pushing down the wheel, thereby pushes down the wheel and drives cold-drawn steel wire continuous intermittent type nature and supply with to a pair of spacing platform, the utility model discloses a pull the cold-drawn steel wire after pickling earlier to the operation controller can be to the blank mould continuous supply with cold-drawn steel wire blank of intermittent type nature, convenient operation, and is safe high-efficient, has greatly improved high strength self-tapping nail production efficiency.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings in the embodiments of the present invention are briefly described below.

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a schematic view of a three-dimensional structure of the limiting mechanism and the stretching mechanism of the present invention;

fig. 4 is a side view of the stretching mechanism of the present invention;

fig. 5 is a schematic view of the three-dimensional structure of the cutting mechanism of the present invention;

FIG. 6 is a schematic view of the present invention showing a partially disassembled wire feeding rack;

fig. 7 is a schematic perspective view of the drawing mechanism of the present invention;

fig. 8 is a schematic view of the three-dimensional structure of the fixing rod of the present invention;

FIG. 9 is an enlarged schematic view at A of FIG. 7;

in the figure: the wire feeding device comprises a base 1, a first workbench 2, a second workbench 3, a wire feeding frame 4, a bottom plate 40, a sliding sleeve 41, a sliding rod 42, a rotary table 43, a winding column 44, a carrying frame 5, a controller 6, a limiting mechanism 7, a sliding assembly 70, a top plate 700, a first air cylinder 701, a sliding column 702, an adjusting wheel disc 703, a first limiting groove 7030, a fixing assembly 71, a sliding table 710, a strip-shaped groove 7100, a strip-shaped rod 711, a fixing wheel disc 712, a fixing rod 713, a perforation 7130, a stretching mechanism 8, a rotating assembly 80, a machine base 800, a stepping motor 801, a speed reducer 802, a linkage wheel 803, a rotating shaft 804, a lower pressing wheel 805, a second limiting groove 8050, a lifting assembly 81, a carrier plate 810, a second air cylinder 811, a clamping block 812, a sliding seat 813, a linkage plate 814, an upper pressing wheel 815, a cutting mechanism 9, a machine base 90, a third air cylinder 92, a punching block 93, a support frame 94.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 9, a high-strength self-tapping screw production device comprises a base 1, a first workbench 2, a second workbench 3, a wire feeding frame 4, a carrying frame 5, a controller 6, a limiting mechanism 7, a drawing mechanism 8 and a cutting mechanism 9, wherein the first workbench 2 is fixedly arranged on the base 1, the second workbench 3 is fixedly arranged on the base 1 and positioned beside the first workbench 2, the wire feeding frame 4 is arranged on one side of the top of the first workbench 2, the carrying frame 5 is fixedly arranged on the first workbench 2, the controller 6 is fixedly arranged on one side of the top of the carrying frame 5, the limiting mechanism 7 comprises a sliding assembly 70 and a fixing assembly 71, the sliding assembly 70 is arranged at one end of the top of the carrying frame 5, the fixing assembly 71 is arranged under the sliding assembly 70 and is slidably connected with the sliding assembly 70, the drawing mechanism 8 comprises a rotating assembly 80 and a lifting assembly 81, the lifting assembly 81 is arranged at one end of the top of the carrier 5 far away from the sliding assembly 70, the rotating assembly 80 is arranged under the lifting assembly 81, the rotating assembly 80 passes through the carrier 5 to be rotatably connected with the sliding assembly 70, and the cutting mechanism 9 is arranged at the top of the second workbench 3.

The wire feeding frame 4 comprises a bottom plate 40, a sliding sleeve 41, a sliding rod 42, a rotary table 43 and four winding columns 44, wherein the bottom plate 40 is fixedly arranged on the first workbench 2 through bolts, one end of the sliding sleeve 41 is fixedly arranged on the bottom plate 40, one end of the sliding rod 42 is sleeved in the sliding sleeve 41, the bottom of the rotary table 43 is fixedly arranged at the top of the sliding rod 42 through bolts, the four winding columns 44 are uniformly arranged at the top of the rotary table 43 in an annular mode, coiled cold-drawn steel wires are continuously fed through a lower pressing wheel 805, the four winding columns 44 drive the rotary table 43 to rotate, the rotary table 43 drives the sliding rod 42 to rotate, the sliding rod 42 rotates in the sliding sleeve 41, and the bottom plate 40 is used for fixedly arranging the sliding sleeve 41 on the first workbench 2.

Sliding assembly 70 includes roof 700, first cylinder 701, traveller 702 and a plurality of regulation rim plate 703, roof 700 sets up in the board 810 top of taking up through the bolt fastening, first cylinder 701 is handstand form and fixes and set up on roof 700, traveller 702 sets up in the bottom of roof 700, the output and the traveller 702 fixed connection of first cylinder 701 are a plurality of adjust the fixed align to grid of rim plate 703 and set up in traveller 702 one side, every all be equipped with first spacing groove 7030 on adjusting the rim plate 703, roof 700 is for first cylinder 701 provides the fixed carrier, and after first cylinder 701 starts, the output shaft of first cylinder 701 drives the traveller 702 and slides in a pair of bar groove 7100 on slip table 710, and traveller 702 drives a plurality of regulation rim plate 703 and moves down to make a plurality of regulation rim plates 703 and fixed rim plate 712 spacing cold drawing steel wire.

Fixed subassembly 71 includes slip table 710, bar 711 and a plurality of fixed rim plate 712, slip table 710 sets up on the loading board 810 through the bolt fastening, bar 711 is fixed to be set up in slip table 710 bottom one side, a plurality of fixed rim plate 712 align to grid sets up on bar 711, slip table 710 lateral part symmetry is equipped with twice bar groove 7100, the both ends and the twice bar groove 7100 sliding fit of traveller 702, the fixed dead lever 713 that is equipped with of slip table 710 one end, dead lever 713 one end is equipped with the perforation 7130 that supplies the cold drawn steel wire raw materials to pass, and bar 711 provides the fixed carrier for a plurality of fixed rim plates 712, and a pair of bar groove 7100 on the slip table 710 plays the spacing effect of sliding to the traveller 702 when the cylinder drives traveller 702 and reciprocates.

The rotating assembly 80 comprises a base 800, a stepping motor 801, a speed reducer 802, a coupling wheel 803, a rotating shaft 804 and a lower pressing wheel 805, the base 800 is fixedly arranged on the carrying frame 5 through bolts, the stepping motor 801 is fixedly arranged on the base 800, an input end of one end of the speed reducer 802 is fixedly arranged on an output shaft of the stepping motor 801, the coupling wheel 803 is rotatably arranged at the upper end part of the carrying frame 5, one end of the rotating shaft 804 is fixedly connected with the output shaft of the speed reducer 802 through a coupler, the other end of the rotating shaft 804 passes through the coupling wheel 803 to be fixedly connected with the lower pressing wheel 805, a second limit groove 8050 is arranged on the lower pressing wheel 805, the adjusting wheel disc 703 and the fixed wheel disc 712 are positioned on the same horizontal line, after the stepping motor 801 is started, the output shaft of the stepping motor 801 drives the rotating shaft 804 to rotate through the speed reducer 802, so that the rotating, so that the lower pressure roller 805 drives the cold-drawn steel wire to continuously and intermittently supply the cold-drawn steel wire to the pair of limiting tables.

The lifting assembly 81 comprises a carrier plate 810, a second cylinder 811, a clamping block 812, a sliding seat 813, a linkage plate 814 and an upper pressing wheel 815, wherein the carrier plate 810 is fixedly arranged at one end of the top of the carrier frame 5 far away from the top plate 700, the second cylinder 811 is arranged on the carrier plate 810 in an inverted shape, the top of the clamping block 812 is fixedly arranged on an output shaft of the second cylinder 811, the bottom of the clamping block 812 is fixedly clamped and matched with the top of one end of the linkage plate 814, the sliding seat 813 is fixedly arranged at one side of the carrier frame 5, the other end of the linkage plate 814 is in sliding fit with the sliding seat 813, the upper pressing wheel 815 is fixedly arranged at one side of the linkage plate 814 at the bottom of the clamping block 812, after the second cylinder 811 is started, the second cylinder 811 drives the clamping block 812 to translate downwards, the clamping block 812 drives the linkage plate 814 to slide downwards in the sliding seat, so that the linkage plate 814 drives the upper, so that the cold-drawn wire is positioned in the second limit groove 8050 and limits the same.

Cutting mechanism 9 includes pedestal 90, third cylinder 92, towards piece 93, support frame 94, platform 95 and a pair of spacing seat 96 of beating the head, pedestal 90 is fixed to be set up on second workstation 3, third cylinder 92 is the fixed setting in pedestal 90 top of horizontality, towards piece 93 and third cylinder 92's output shaft fixed connection, it is a pair of spacing seat 96 symmetry is fixed to be set up on the second workstation 3 of pedestal 90 side, and every spacing seat 96 lateral part all is equipped with the semicircular groove 960 that the confession cold drawing round steel passed, and is a pair of spacing seat 96 is the laminating setting with towards piece 93.

Platform 95 of starting a job is fixed to be set up on the second workstation 3 of a pair of spacing seat 96 side, support frame 94 is fixed to be set up on the second workstation 3 of pedestal 90 side, and a pair of spacing seat 96 is located support frame 94 bottom, and pedestal 90 provides the fixed carrier for third cylinder 92, and after third cylinder 92 started, the output shaft of third cylinder 92 drove towards piece 93 and extends the former blank of cold drawing steel wire of predetermineeing length from a pair of spacing platform and cut, and the cold drawing steel wire blank that the cutting got off can fall into platform 95 of starting a job and carry out follow-up one and dash two moulds, and support frame 94 provides the support carrier for follow-up shaping.

The controller 6 is electrically connected with the stepping motor 801, the first cylinder 701, the second cylinder 811 and the third cylinder 92, the electrical connection operation is simple, convenience and rapidness are achieved, and the production efficiency of the high-strength self-tapping nail is improved.

The working principle is as follows: firstly, a coiled cold-drawn steel wire is sleeved on four winding columns 44, one end of the cold-drawn steel wire is manually drawn, the cold-drawn steel wire passes through a plurality of first limiting grooves 7030 between a plurality of fixed wheel discs 712 and an adjusting wheel disc 703 along with the rotation of a turntable 43 and a sliding rod 42 in a sliding sleeve 41, the cold-drawn steel wire is led out through a perforation 7130 at one end of a fixed rod 713 and a second limiting groove 8050 on a lower pressing wheel 805 by the first limiting groove 7030, finally, a preset value is led out through semi-circular grooves 960 oppositely arranged on a pair of limiting tables, then a controller 6 is operated to open a switch of a first cylinder 701, an output shaft of the first cylinder 701 drives the sliding rod 42 to slide in a pair of strip-shaped grooves 7100 on the sliding table 710, so that the cold-drawn steel wire is limited by the plurality of adjusting wheel discs 703 and the fixed wheel discs 712, the controller 6 is operated to open a switch of a second cylinder 811, thus, the linkage plate 814 drives the upper pressing wheel 815 to approach the lower pressing wheel 805, so that the cold-drawn steel wire is located in the second limiting groove 8050 and is limited, the controller 6 starts the third cylinder 92, an output shaft of the third cylinder 92 drives the punching block 93 to cut the raw blank of the cold-drawn steel wire extending from the pair of limiting tables by a preset length, at this time, the stepping motor 801 is started, an output shaft of the stepping motor 801 drives the rotating shaft 804 to rotate through the speed reducer 802, so that the rotating shaft 804 drives the linkage wheel 803 and the lower pressing wheel 805 to rotate, and the lower pressing wheel 805 drives the cold-drawn steel wire to continuously and intermittently supply the cold-drawn steel wire to the pair of limiting tables.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (9)

1. The high-strength self-tapping screw production equipment is characterized by comprising a base (1), a first workbench (2), a second workbench (3), a wire feeding frame (4), a carrying frame (5), a controller (6), a limiting mechanism (7), a stretching mechanism (8) and a cutting mechanism (9), wherein the first workbench (2) is fixedly arranged on the base (1), the second workbench (3) is fixedly arranged on the base (1) and positioned beside the first workbench (2), the wire feeding frame (4) is arranged on one side of the top of the first workbench (2), the carrying frame (5) is fixedly arranged on the first workbench (2), the controller (6) is fixedly arranged on one side of the top of the carrying frame (5), the limiting mechanism (7) comprises a sliding assembly (70) and a fixing assembly (71), the sliding assembly (70) is arranged at one end of the top of the carrying frame (5), fixed subassembly (71) set up under sliding assembly (70) and with sliding assembly (70) sliding connection, drawing mechanism (8) include rotating assembly (80) and lifting unit (81), lifting unit (81) set up in carriage (5) top one end of keeping away from sliding assembly (70), rotating assembly (80) set up under lifting unit (81) to rotating assembly (80) pass and take up frame (5) and rotate with sliding assembly (70) and be connected, cutting mechanism (9) set up in second workstation (3) top.

2. The high-strength self-tapping screw production equipment according to claim 1, wherein the wire feeding rack (4) comprises a bottom plate (40), a sliding sleeve (41), a sliding rod (42), a rotary table (43) and four winding columns (44), the bottom plate (40) is fixedly arranged on the first workbench (2) through bolts, one end of the sliding sleeve (41) is fixedly arranged on the bottom plate (40), one end of the sliding rod (42) is sleeved in the sliding sleeve (41), the bottom of the rotary table (43) is fixedly arranged at the top of the sliding rod (42) through bolts, and the four winding columns (44) are uniformly arranged at the top of the rotary table (43) in an annular shape.

3. The high-strength self-tapping screw production equipment according to claim 2, wherein the sliding assembly (70) comprises a top plate (700), a first cylinder (701), a sliding column (702) and a plurality of adjusting wheel discs (703), the top plate (700) is fixedly arranged at the top of the carrying plate (810) through bolts, the first cylinder (701) is fixedly arranged on the top plate (700) in an inverted state, the sliding column (702) is arranged at the bottom of the top plate (700), the output of the first cylinder (701) is fixedly connected with the sliding column (702), the adjusting wheel discs (703) are fixedly and uniformly arranged on one side of the sliding column (702), and each adjusting wheel disc (703) is provided with a first limiting groove (7030).

4. The high-strength self-tapping screw production equipment according to claim 3, wherein the fixing assembly (71) comprises a sliding table (710), a bar-shaped rod (711) and a plurality of fixing wheel discs (712), the sliding table (710) is fixedly arranged on the carrying plate (810) through bolts, the bar-shaped rod (711) is fixedly arranged on one side of the bottom of the sliding table (710), the fixing wheel discs (712) are uniformly arranged on the bar-shaped rod (711), two strip-shaped grooves (7100) are symmetrically arranged on the side portion of the sliding table (710), two ends of the sliding column (702) are in sliding fit with the two strip-shaped grooves (7100), a fixing rod (713) is fixedly arranged at one end of the sliding table (710), and one end of the fixing rod (713) is provided with a through hole (7130) for a cold-drawn steel wire raw material to pass through.

5. The high-strength tapping screw production equipment according to claim 4, wherein the rotating assembly (80) comprises a machine base (800), a stepping motor (801), a speed reducer (802), a linkage wheel (803), a rotating shaft (804) and a lower pressing wheel (805), the machine base (800) is fixedly arranged on the carrying frame (5) through bolts, the stepping motor (801) is fixedly arranged on the machine base (800), one end input end of the speed reducer (802) is fixedly arranged on an output shaft of the stepping motor (801), the linkage wheel (803) is rotatably arranged at the upper end of the carrying frame (5), one end of the rotating shaft (804) is fixedly connected with the output shaft of the speed reducer (802) through a coupler, the other end of the rotating shaft (804) penetrates through the linkage wheel (803) to be fixedly connected with the lower pressing wheel (805), a second limiting groove (8050) is arranged on the lower pressing wheel (805), and the pressing wheel (805), the adjusting wheel disc (703) and the fixed wheel disc (712) are positioned on the same horizontal line.

6. The high-strength self-tapping screw production equipment according to claim 5, the lifting component (81) comprises a carrier plate (810), a second cylinder (811), a clamping block (812), a sliding seat (813), a linkage plate (814) and an upper pressing wheel (815), the carrier plate (810) is fixedly arranged at one end of the top of the carrying frame (5) far away from the top plate (700), the second cylinder (811) is arranged on the carrier plate (810) in an inverted shape, the top of the clamping block (812) is fixedly arranged on an output shaft of the second cylinder (811), the bottom of the clamping block (812) is fixedly clamped and matched with the top of one end of the linkage plate (814), the sliding seat (813) is fixedly arranged on one side of the carrying frame (5), the other end of the linkage plate (814) is in sliding fit with the sliding seat (813), the upper pressing wheel (815) is fixedly arranged on one side of a linkage plate (814) at the bottom of the clamping block (812).

7. The high-strength self-tapping screw production equipment according to claim 6, wherein the cutting mechanism (9) comprises a pedestal (90), a third cylinder (92), a punching block (93), a support frame (94), a heading table (95) and a pair of limiting seats (96), the pedestal (90) is fixedly arranged on the second workbench (3), the third cylinder (92) is horizontally and fixedly arranged at the top of the pedestal (90), the punching block (93) is fixedly connected with an output shaft of the third cylinder (92), the limiting seats (96) are symmetrically and fixedly arranged on the second workbench (3) beside the pedestal (90), a semicircular groove (960) for cold-drawn round steel to pass through is formed in the side portion of each limiting seat (96), and the limiting seats (96) and the punching block (93) are arranged in a fitting manner.

8. The high-strength self-tapping screw production equipment according to claim 7, wherein the heading table (95) is fixedly arranged on the second workbench (3) beside the pair of limiting seats (96), the supporting frame (94) is fixedly arranged on the second workbench (3) beside the pedestal (90), and the pair of limiting seats (96) is located at the bottom of the supporting frame (94).

9. The high-strength self-tapping screw production equipment according to claim 8, wherein the controller (6) is electrically connected with the stepping motor (801), the first cylinder (701), the second cylinder (811) and the third cylinder (92).

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