CN115673692A

CN115673692A - Multi-station secondary binding rod screw machining process

Info

Publication number: CN115673692A
Application number: CN202211465772.3A
Authority: CN
Inventors: 崔富轲; 刘金伟; 田永军
Original assignee: Guangdong Fasite Precision Hardware Co ltd
Current assignee: Guangdong Fasite Precision Hardware Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-02-03

Abstract

The invention provides a multi-station secondary binding rod screw processing technology, which comprises the steps of selecting a metal rod-shaped blank for manufacturing screws, sequentially placing the blank into a feeding rail, enabling the blank to enter a feeding runner through the feeding rail, driving a material pushing head to push the blank in the feeding runner through a hydraulic cylinder, driving a grinding table to do reciprocating linear motion through a first motor after the blank enters the feeding runner, grinding the bottom of the blank through the grinding table, enabling the blank to enter a guide rail after being ground through a grinding part and to follow the guide of the guide rail, enabling the blank to enter one side of a binding rod rail, which is adjacent to an auxiliary binding rod plate, and driving the auxiliary binding rod plate to do linear reciprocating motion through a transmission rod, a transmission block and a limiting groove.

Description

Multi-station secondary binding rod screw machining process

Technical Field

The invention relates to the technical field of hardware processing, in particular to a multi-station secondary beam rod screw processing technology.

Background

In the machining industry, a screw is used as one of fastening pieces, and is usually used for fixing wood, metal and wood-metal, in the existing machinery factory, before the screw is machined, a steel wire or a steel bar is firstly cut into a cut material, namely a raw blank for machining the screw, and then the collected raw blank is subjected to cold heading, secondary cold heading, tapping, finishing, screw head cutting and the like, so that the screw shown in fig. 13 is obtained.

Therefore, the screws need to be continuously transferred to a corresponding machine table for processing from the raw materials to the finished products through a plurality of working procedures, and the feeding of the screws needs to be uniformly processed after each transfer, so that the screw processing time is seriously wasted; when the screw is secondarily bundled, the secondary bundling rod and the primary bundling rod are different in diameter, and the cold heading process is carried out twice, so that the time for bundling the rod is doubled, and the screw processing efficiency is further reduced; meanwhile, when a threaded structure is formed on the first beam rod through tapping the screw, the screw needs to be fixed, but the screw passes through the second beam rod, the fixing mode is not unique, and the regions for fixing the screw are not uniform, so that the positions of the processed screws on the first beam rod cannot be kept uniform, the specifications of the screws cannot be guaranteed to be uniform, and the quality of finished screws is reduced.

Disclosure of Invention

Technical problem to be solved

In order to achieve the purpose, the invention provides the following technical scheme: a multi-station secondary rod binding screw machining process comprises the following steps:

1. a material selecting stage:

s1: selecting a metal rod-shaped blank for manufacturing a screw;

2. a blank pretreatment stage:

s2: the blank is sequentially placed into a feeding rail, the blank can enter a feeding runner through the feeding rail, a hydraulic cylinder drives a material pushing head to push the blank inside the feeding runner, after the blank enters the feeding runner, a first motor drives a grinding table to do reciprocating linear motion, and the grinding table can polish the bottom of the blank;

3. a secondary rod binding stage:

s3: the blank can enter the guide rail after being polished by the grinding part;

s4: the blank enters one side of the beam rod track adjacent to the auxiliary beam rod plate along with the guide of the guide rail, is driven to rotate by a second motor, is driven to do linear reciprocating motion by the transmission rod, the transmission block and the limiting groove, and is continuously subjected to beam rod twice on one side of the beam rod track adjacent to the auxiliary beam rod plate to form a first beam rod end, a second beam rod end and a screw head;

the screw forming device comprises a screw secondary beam rod, and comprises a beam rod assembly and a power part, wherein the beam rod assembly comprises a workbench, the upper end surface of the workbench is fixedly connected with a guide rail, the upper end surface of the workbench is also fixedly connected with a beam rod rail and a limiting block, the side end surface of the limiting block is provided with a limiting groove, the power part comprises an installation rod and an auxiliary beam rod plate, the top of one side of the installation rod is provided with a second motor, the top of the other side of the second motor is rotatably connected with the second motor, the second motor is used for driving rotation, a rotating pin is fixedly connected to the outer part of one side, which is far away from the installation rod, and is rotatably connected with a transmission block through a transmission rod, the transmission block is fixedly connected to one side, which is far away from the beam rod rail, of the auxiliary beam rod plate through a connection block, and the connection block is slidably connected to the inside the limiting groove;

4. screw thread forming stage:

s5: after passing through the secondary beam rod, the secondary beam rod enters one side of the fixed tooth plate adjacent to the thread rolling driver through the guide plate and the inclined flow channel under the action of extrusion and rolling power;

s6: the fixed tooth plate and the thread rolling driver limit the screw head through a positioning groove at the bottom of the adjacent side, the screw head is used as a positioning reference, then the driving roller is driven to rotate through a third motor, the driving roller can drive a belt to drive, the belt is in contact with a first screw rod section of the screw, the screw is driven to continuously move to one side of the collecting box while rotating, a plurality of groups of extrusion strips on the fixed tooth plate main body can extrude the first screw rod section of the screw, after the first screw rod section passes through the plurality of groups of extrusion strips, the depth of threads of the thread sections can be continuously deepened, further the thread sections are formed outside the first screw rod section, and the screw forming the thread sections can fall into the collecting box along the fixed tooth plate to be collected due to the fact that the belt moves towards one direction;

s7: performing surface treatment on the screw in the collecting box;

screw rod forming device is including being used for the fashioned thread rolling subassembly of screw thread section, the thread rolling subassembly includes the support frame, the support frame up end has set gradually the deflector, oblique runner and fixed dental lamina, still be provided with the thread rolling driver at the support frame up end, it is adjacent with the thread rolling driver to decide the dental lamina, it includes decides the dental lamina main part to decide the dental lamina, it has seted up second bundle of pole groove in proper order to decide dental lamina main part one side vertical direction, first bundle of pole groove and constant head tank, second bundle of pole groove prolongs the axial and has a plurality of groups of extrusion strip fixedly connected with in proper order, the thread rolling driver includes limiting plate and mounting panel, mounting panel fixed connection is in limiting plate one side bottom, mounting panel up end rotates and is connected with the driving roller, the terminal surface is installed under the mounting panel and is used for driving roller pivoted driving roller, driving roller externally mounted has the belt, limiting plate opposite side one side vertical direction has seted up second bundle of pole groove in proper order, first bundle of pole groove and constant head tank, the inner wall in first bundle of pole groove is connected on the limiting plate in belt one end transmission, and the belt outside flushes with first bundle of beam groove.

As a further preferred of this embodiment, screw rod forming device is still including the preliminary treatment subassembly that is used for polishing the blank, and the preliminary treatment subassembly includes a supporting bench, and supporting bench up end fixedly connected with pan feeding runner, pneumatic cylinder and feeding rail, sliding connection groove have been seted up to the supporting bench up end, and sliding connection groove internally mounted has grinding unit, and the pneumatic cylinder output passes through telescopic link fixedly connected with ejector stub bar, and ejector stub bar sliding connection is inside the pan feeding runner.

As a further preferred option of this embodiment, one end of the feeding rail is communicated with the inside of the feeding runner, the feeding rail is vertically connected with the feeding runner, and one end of the feeding runner is fixedly connected with one end of the guide rail through the bent runner.

As the further preferred of this embodiment, grinding part includes grinding table and first motor, and grinding table one side fixedly connected with fixed block, fixed block deviate from grinding table one side and have seted up the guide way, and each fixedly connected with of guide way inner wall diagonal angle promotes the piece, the one end of first motor output end fixedly connected with pivot, and the three catch plates of the outside symmetry fixedly connected with of pivot other end, three catch plate settings of group are inside the guide way.

As a further optimization of this embodiment, the guide rail is perpendicular to the feeding flow channel, and one end of the guide rail departing from the curved flow channel is disposed inside the binding bar track and the adjacent side.

As a further preference of this embodiment, the bundle rod rail and the adjacent side form a horn-shaped structure, the bundle rod rail is the same as the structure, the bundle rod rail includes a guide section, a first bundle rod forming section and a second bundle rod forming section, and the bottoms of the first bundle rod forming section and the second bundle rod forming section of the bundle rod rail are provided with screw grooves.

As a further preferable mode of this embodiment, the rotation pin penetrates through an end face of one end of the transmission rod, the rotation pin is rotatably connected with the transmission rod, the other end of the transmission rod is rotatably connected with the transmission block, the rotation pin follows to perform a circular motion, and the rotation pin can drive the transmission rod to perform a reciprocating motion.

As a further optimization of the embodiment, the size of the connecting block is matched with that of the limiting groove, the connecting block is slidably connected inside the limiting groove, the transmission rod drives the auxiliary beam plate to reciprocate through the transmission block and the connecting block, and the auxiliary beam plate extrudes and shapes the blank through the first beam forming section and the second beam forming section while reciprocating so that the blank forms the first beam section and the second beam section.

As a further preference of this embodiment, the extrusion strip includes a plurality of groups of extrusion teeth arranged at equal intervals along the vertical direction, and the heights of the extrusion teeth of the plurality of groups of extrusion strips are sequentially increased.

(II) advantageous effects

The invention provides a multi-station secondary binding rod screw machining process, which has the following beneficial effects:

1. according to the invention, the screw is secondarily bundled and extruded into the screw with the thread by arranging the preprocessing component and the thread rolling component, the whole process of the screw is completed in the moving process of the screw, the automatic screw processing operation is realized, the structure is simple, the cost is low, and the popularization value is high.

2. According to the invention, the bottom of the blank entering the feeding runner is polished to be flat by the grinding part, the polished end of the blank becomes a screw head after secondary rod binding of the blank is completed, and the screw head of the blank is taken as a reference when the thread rolling assembly is used for thread processing, so that the thread position of the first rod section of each group of screws is kept consistent during processing, and the depth of the thread is gradually increased, thereby effectively improving the smoothness of thread processing, further producing the screws with consistent specifications and ensuring the uniform quality of screw production.

3. According to the invention, the beam rod assembly and the power part are arranged on the upper part, so that the blank can be extruded and molded on the adjacent side of the beam rod track and the auxiliary beam rod plate, and the secondary beam rod of the screw is completed, so that the secondary beam rod is completed at one time, and the beam rod efficiency is effectively improved.

Drawings

FIG. 1 is a schematic structural view of a multi-station secondary screw-tightening device according to the present invention;

FIG. 2 is a schematic view of a pre-processing assembly according to the present invention;

FIG. 3 is a schematic view of the abrasive member of the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 3A;

FIG. 5 is a schematic view of the beam assembly of the present invention;

FIG. 6 is a schematic view of a beam member of the present invention;

FIG. 7 is a schematic view of the power unit configuration of the present invention;

FIG. 8 is a schematic structural diagram of a thread rolling assembly according to the present invention;

FIG. 9 is a schematic view of a tooth plate structure of the present invention;

FIG. 10 is an enlarged view of the structure of FIG. 9B;

FIG. 11 is a schematic structural diagram of a thread rolling driver according to the present invention;

FIG. 12 is another side view of the thread rolling driver of the present invention;

fig. 13 is a schematic view of the screw structure of the present invention.

In the figure: 1 pretreatment component, 11 support platform, 12 grinding component, 121 grinding platform, 122 fixed block, 123 first motor, 124 guide groove, 125 pushing block, 126 rotating shaft, 127 pushing plate, 13 feeding flow channel, 14 pushing head, 15 hydraulic cylinder, 16 feeding rail, 2 bundle rod component, 21 bundle rod component, 211 workbench, 212 guide rail, 213 bundle rod track, 214 limited block, 215 limited groove, 22 power component, 221 driving rod, 222 turntable, 223 second motor, 224 mounting rod, 225 linkage block, 226 connecting block, 227 auxiliary bundle rod plate, 3 thread rolling component, 31 support frame, 32 guide plate, 33 inclined flow channel, 34 thread setting plate, 341 thread setting plate main body, 342 extrusion strip, 343 positioning groove, 35 collecting box, 36 thread rolling driver, 361 limited plate, 362 driving roller, 363 mounting plate 364, belt, 365 third motor, 4 screw.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

As shown in fig. 1 to 12, the present embodiment provides a multi-station secondary tightening rod screw processing process, which includes the following steps:

1. a material selecting stage:

s1: selecting a metal rod-shaped blank for manufacturing a screw;

2. a blank pretreatment stage:

s2: the blanks are sequentially placed into the feeding rail 16, the blanks can enter the feeding runner 13 through the feeding rail, the hydraulic cylinder 15 drives the material pushing head 14 to push the blanks in the feeding runner 13, after the blanks enter the feeding runner 13, the first motor 123 drives the grinding table 121 to do reciprocating linear motion, and the grinding table 121 can grind the bottoms of the blanks;

3. a secondary rod binding stage:

s3: the blank will enter the guide rail 212 after being polished by the grinding component 12;

s4: the blank enters one side of the beam rail 213 adjacent to the auxiliary beam plate 227 along with the guiding of the guide rail 212, the blank is driven to rotate by the second motor 223, the auxiliary beam plate 227 is driven to do linear reciprocating motion by the 222 through the transmission rod 221, the transmission block 225 and the limiting groove 215, and the blank is continuously subjected to beam twice on one side of the beam rail 213 adjacent to the auxiliary beam plate 227 to form a first beam rod end, a second beam rod end and a screw head;

the screw forming device comprises 2,2 used for secondary screw rod binding, the 2,2 comprises a binding rod assembly 21 and a power part 22, the binding rod assembly 21 comprises a workbench 211, the upper end face of the workbench 211 is fixedly connected with a guide rail 212, the upper end face of the workbench 211 is further fixedly connected with a binding rod track 213 and a limiting block 214, the side end face of the limiting block 214 is provided with a limiting groove 215, the power part 22 comprises a mounting rod 224 and an auxiliary binding rod plate 227, a second motor 223 is mounted at the top of one side of the mounting rod 224, the top of the other side of the second motor 223 is rotatably connected with 222, the second motor 223 is used for driving the rotation of 222, a rotating pin is fixedly connected to the outside of one side of the 222 departing from the mounting rod 224 and rotatably connected with a transmission block 225 through a transmission rod 221, the transmission block 225 is fixedly connected to one side of the auxiliary binding rod plate 227 departing from the binding rod track 213 through a connection block 226, and the connection block 226 is slidably connected inside the limiting groove 215;

4. screw thread forming stage:

s5: after passing through the secondary bundle rod, the secondary bundle rod enters one side of the fixed tooth plate 34 adjacent to the thread rolling driver 36 through the guide plate 32 and the inclined flow passage 33 under the action of extrusion and rolling power;

s6: the fixed tooth plate 34 and the thread rolling driver 36 limit the screw head through the positioning slot 343 at the bottom of the adjacent side, the screw head is used as a positioning reference, then the driving roller 362 is driven to rotate through the third motor 365, the driving roller 362 can drive the belt 364 for transmission, the belt 364 is in contact with the first screw rod section of the screw, the screw is driven to continuously move towards one side of the collecting box 35 while rotating, a plurality of groups of extrusion strips 342 on the fixed tooth plate main body 341 can extrude the first screw rod section of the screw, after passing through a plurality of groups of extrusion strips 342, the depth of the thread section can be continuously deepened, and then the thread section is formed outside the first screw rod section, and as the belt 364 moves towards one direction, the screw forming the thread section can fall into the collecting box 35 along the fixed tooth plate 34 to be collected;

s7: performing surface treatment on the screws in the collecting box 35;

the screw forming device comprises a thread rolling component 3 for forming a screw thread section, the thread rolling component 3 comprises a support frame 31, a guide plate 32, an inclined flow channel 33 and a tooth fixing plate 34 are sequentially arranged on the upper end face of the support frame 31, a thread rolling driver 36 is further arranged on the upper end face of the support frame 31, the tooth fixing plate 34 is adjacent to the thread rolling driver 36, the tooth fixing plate 34 comprises a tooth fixing plate main body 341, a second thread rolling groove, a first thread rolling groove and a positioning groove 343 are sequentially formed in one side of the tooth fixing plate main body 341 in the vertical direction along the axial direction, a plurality of groups of extrusion strips 342 are sequentially and fixedly connected to the second thread rolling groove along the axial direction, the thread rolling driver 36 comprises a limiting plate 361 and a mounting plate 363, the mounting plate 363 is fixedly connected to the bottom of one side of the limiting plate 361, the upper end face of the mounting plate 363 is rotatably connected with a transmission roller 362, a transmission roller 362 used for driving the transmission roller 362 to rotate is installed on the lower end face of the mounting plate 363, a belt 364 is installed outside the transmission roller 362, a second thread rolling groove, a first thread rolling groove and a positioning groove 343 are sequentially formed in the vertical direction on the other side of the limiting plate 361, and the first thread rolling groove 364 is flush with the first thread rolling groove 364.

Please refer to fig. 1-4, the screw forming apparatus further includes a pre-processing assembly 1 for polishing the blank, the pre-processing assembly 1 includes a supporting table 11, an upper end surface of the supporting table 11 is fixedly connected with a feeding runner 13, a hydraulic cylinder 15 and a feeding rail 16, an upper end surface of the supporting table 11 has a sliding connection groove, a grinding part 12 is installed inside the sliding connection groove, an output end of the hydraulic cylinder 15 is fixedly connected with a material pushing head 14 through a telescopic rod, and the material pushing head 14 is slidably connected inside the feeding runner 13.

Further, one end of the feeding rail 16 is communicated with the inside of the feeding runner 13, the feeding rail 16 is vertically connected with the feeding runner 13, and one end of the feeding runner 13 is fixedly connected with one end of the guide rail 212 through the bent runner.

Specifically, the feeding channel 13 is disposed on the upper end surface of the grinding part 12, a sealing cover is disposed on the upper end surface of the feeding channel 13, the bottom of the screw blank is disposed on the upper end surface of the grinding part 12 after the screw blank enters the feeding channel 13, a partial region of the feeding channel 13 is fixedly connected to the upper end surface of the support platform 11, and the other end of the feeding channel is fixedly connected to the bent channel.

It should be noted that the connecting point of the feeding rail 16 and the feeding runner 13 is in smooth transition, and the hydraulic cylinder 15 pushes the blanks entering the feeding runner 13 one by one above the grinding part 12 through the pushing head 14.

Referring to fig. 3 and 4, the grinding member 12 includes a grinding table 121 and a first motor 123, a fixing block 122 is fixedly connected to one side of the grinding table 121, a guide groove 124 is formed in a side of the fixing block 122 away from the grinding table 121, pushing blocks 125 are fixedly connected to a diagonal of an inner wall of the guide groove 124, an output end of the first motor 123 is fixedly connected to one end of a rotating shaft 126, three groups of pushing plates 127 are symmetrically and fixedly connected to an outer portion of the other end of the rotating shaft 126, and the three groups of pushing plates 127 are disposed inside the guide groove 124.

Specifically, the first motor 123 drives the rotating shaft 126 to make the three sets of pushing plates 127 perform circular motion around the rotating shaft 126, and the three sets of pushing plates 127 alternately push the two sets of pushing blocks 125 at opposite corners of the guide groove 124 while performing circular motion, so that the fixed block 122 performs reciprocating linear motion, and thus the grinding table 121 performs reciprocating linear motion together with the fixed block 122, and further the grinding table 121 grinds and flattens the bottom of the blank.

Referring to fig. 1, 5, 6 and 7, the guide rail 212 is perpendicular to the feeding channel 13, and one end of the guide rail 212 facing away from the curved channel is disposed inside the side of the beam rails 213 and 217 adjacent to each other.

Further, the adjacent side of restrainting pole track 213 and 217 forms loudspeaker column structure, restrainting pole track 213 and 217 the same structure, restrainting pole track 213 and including direction section, a first bundle pole shaping section and a second bundle pole shaping section, and restrainting the bottom of pole track 213 first bundle pole shaping section and second bundle pole shaping section and being provided with the spiral groove.

Further, the rotating pin penetrates through the end face of one end of the transmission rod 221, the rotating pin is rotatably connected with the transmission rod 221, the other end of the transmission rod 221 is rotatably connected with the transmission block 225, the rotating pin makes a circular motion along with the driving block 222, and the rotating pin can drive the transmission rod 221 to make a reciprocating motion.

Furthermore, the size of the connecting block 226 is matched with the size of the limiting groove 215, the connecting block 226 is slidably connected inside the limiting groove 215, the transmission rod 221 drives the auxiliary tie rod plate 227 to reciprocate through the transmission block 225 and the connecting block 226, and the auxiliary tie rod plate 227 extrudes and shapes the blank through the first tie rod forming section and the second tie rod forming section while reciprocating, so that the blank forms the first tie rod section and the second tie rod section.

Specifically, after the screw blank enters one side of the auxiliary rod binding plate 227 adjacent to the rod binding rail 213, the mounting rod 224 drives the mounting rod 222 to rotate, so that the auxiliary rod binding plate 227 makes reciprocating linear motion, the first rod binding forming section of one side of the auxiliary rod binding plate 227 adjacent to the rod binding rail 213 extrudes and shapes the blank to form a first rod binding section of the screw, the screw can continuously move under the action of continuous feeding and surface rotational shaping force of extrusion and shaping to reach the second rod binding forming section of one side of the auxiliary rod binding plate 227 adjacent to the rod binding rail 213, and the second rod binding section is formed after shaping of the second rod binding forming section, wherein after the first rod binding is formed, a screw head is also formed together.

As shown in fig. 13, the blank diameter of the screw 4 is R1, the head diameter of the screw 4 is R2, the first rod segment diameter of the screw 4 is R3, the second rod segment diameter of the screw 4 is R4, and R1= R2> R3> R4.

Referring to fig. 1 and 8-12, the extrusion bar 342 includes a plurality of groups of extrusion teeth arranged at equal intervals along the vertical direction, and the heights of the extrusion teeth of the plurality of groups of extrusion bars 342 are sequentially increased.

Specifically, the supporting frame 31 is higher than the tooth fixing plate 34. And after the screw passing through the secondary screw rod enters one side of the fixed tooth plate 34 adjacent to the thread rolling driver 36 through the inclined flow passage 33, the belt 364 can continuously transmit, the belt 364 can continuously drive the screw after the secondary screw rod to move to one side of the collection box 35 through friction force, at the moment, the first screw rod section of the screw can be extruded by a plurality of groups of extrusion strips 342 to form threads, the depth of the threads can be slowly increased along with the sequence of the extrusion strips 342, and the screw can be extruded by a plurality of groups of extrusion strips 342 to form threads meeting the standard after passing through the whole fixed tooth plate 34.

It should be noted that the distances between the second bar binding groove, the first bar binding groove and the positioning groove 343 on the side of the tooth plate main body 341 adjacent to the position limiting plate 361 are respectively equal to the second bar binding diameter, the first bar binding diameter and the screw head diameter of the screw.

And S7, deburring and cleaning to obtain a finished product.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The multi-station secondary beam rod screw machining process is characterized in that: the method comprises the following steps:

1. a material selecting stage:

s1: selecting a metal rod-shaped blank for manufacturing a screw;

2. a blank pretreatment stage:

s2: the blank is sequentially placed into a feeding rail (16), the blank can enter a feeding runner (13) through the feeding rail, a hydraulic cylinder (15) drives a material pushing head (14) to push the blank in the feeding runner (13), after the blank enters the feeding runner (13), a grinding table (121) is driven to do reciprocating linear motion through a first motor (123), and the bottom of the blank can be ground by the grinding table (121);

3. a secondary rod binding stage:

s3: the blank can enter the guide rail (212) after being polished by the grinding part (12);

s4: the blank enters one side of the beam rail (213) adjacent to the auxiliary beam plate (227) along with the guiding of the guide rail (212), the blank is driven (222) to rotate by the second motor (223), the auxiliary beam plate (227) is driven to do linear reciprocating motion by the drive rod (221), the drive block (225) and the limiting groove (215), and the blank is continuously and twice beam-bound on one side of the beam rail (213) adjacent to the auxiliary beam plate (227) to form a first beam rod end, a second beam rod end and a screw head;

the screw forming device comprises a screw secondary restraint rod (2), (2) the screw secondary restraint rod comprises a restraint rod assembly (21) and a power part (22), the restraint rod assembly (21) comprises a workbench (211), the upper end face of the workbench (211) is fixedly connected with a guide rail (212), the upper end face of the workbench (211) is further fixedly connected with a restraint rod track (213) and a limiting block (214), the side end face of the limiting block (214) is provided with a limiting groove (215), the power part (22) comprises a mounting rod (224) and an auxiliary restraint rod plate (227), a second motor (223) is mounted at the top of one side of the mounting rod (224), the top of the other side of the second motor (223) is rotatably connected with a first motor (222), the second motor (223) is used for driving (222) to rotate, a rotating pin is fixedly connected to the outer portion of one side of the mounting rod (224) deviating from the first motor (222), the rotating pin is rotatably connected with a transmission block (225) through a transmission rod (221), the transmission block (225) is fixedly connected to one side of the auxiliary restraint rod plate (227) deviating from the restraint rod track (213) through a connection block (226), and the connection block (226) is slidably connected to the inner portion of the limiting groove (215);

4. screw thread forming stage:

s5: after passing through the secondary binding rod, the secondary binding rod enters one side of the fixed tooth plate (34) adjacent to the thread rolling driver (36) through the guide plate (32) and the inclined flow channel (33) under the action of extrusion and rolling power;

s6: the fixed tooth plate (34) and the thread rolling driver (36) limit the screw head through a positioning groove (343) at the bottom of the adjacent side, the screw head is used as a positioning reference, then the driving roller (362) is driven to rotate through a third motor (365), the driving roller (362) can drive the belt (364) to drive, the belt (364) is in contact with a first screw rod section of the screw, the screw is driven to continuously move to one side of the collecting box (35) while rotating, a plurality of groups of extrusion strips (342) on the fixed tooth plate main body (341) can extrude the first screw rod section of the screw, after passing through the plurality of groups of extrusion strips (342), the depth of threads of the thread sections can be continuously deepened, and then the thread sections are formed outside the first screw rod section, and as the belt (364) moves towards one direction, the screws forming the thread sections can fall into the collecting box (35) along the fixed tooth plate (34) to be collected;

s7: performing surface treatment on the screws in the collecting box (35);

the screw rod forming device comprises a thread rolling component (3) for forming a screw thread section, the thread rolling component (3) comprises a support frame (31), a guide plate (32), an inclined flow passage (33) and a tooth fixing plate (34) are sequentially arranged on the upper end surface of the support frame (31), the thread rolling device is characterized in that a thread rolling driver (36) is further arranged on the upper end face of the support frame (31), a fixed tooth plate (34) is adjacent to the thread rolling driver (36), the fixed tooth plate (34) comprises a fixed tooth plate main body (341), one side of the fixed tooth plate main body (341) extends in the vertical direction to be sequentially provided with a second bundle rod groove, a first bundle rod groove and a positioning groove (343), the second bundle rod groove extends in the axial direction to be sequentially fixedly connected with a plurality of groups of extrusion strips (342), the thread rolling driver (36) comprises a limiting plate (361) and a mounting plate (363), the mounting plate (363) is fixedly connected to the bottom of one side of the limiting plate (361), the upper end face of the mounting plate (363) is rotatably connected with a driving roller (362), a driving roller (362) used for driving the driving roller (362) to rotate is installed on the lower end face of the mounting plate (363), a belt (364) is installed outside the driving roller (362), the second bundle rod groove is sequentially formed in the vertical direction on one side of the other side of the limiting plate (361), the first bundle rod groove and the positioning groove (343), the inner wall of the first bundle rod groove is connected to the limiting plate (361) at one end of the belt (364), and the first bundle rod groove of the belt (364) is flushed with the first bundle rod groove.

2. The multi-station secondary beam rod screw machining process according to claim 1, characterized in that: screw rod forming device is still including preliminary treatment subassembly (1) that is used for polishing the blank, preliminary treatment subassembly (1) is including brace table (11), brace table (11) up end fixedly connected with pan feeding runner (13), pneumatic cylinder (15) and feeding rail (16), the slip connection groove has been seted up to brace table (11) up end, slip connection groove internally mounted has grinding part (12), pneumatic cylinder (15) output is through telescopic link fixedly connected with ejector sleeve head (14), ejector sleeve head (14) sliding connection is inside pan feeding runner (13).

3. The multi-station secondary beam rod screw machining process according to claim 2, characterized in that: the feeding device is characterized in that one end of the feeding rail (16) is communicated with the inside of the feeding runner (13), the feeding rail (16) is vertically connected with the feeding runner (13), and one end of the feeding runner (13) is fixedly connected with one end of the guide rail (212) through the bent runner.

4. The multi-station secondary beam rod screw machining process according to claim 1, characterized in that: grinding part (12) is including grinding table (121) and first motor (123), grinding table (121) one side fixedly connected with fixed block (122), fixed block (122) deviate from grinding table (121) one side and have seted up guide way (124), each fixedly connected with in guide way (124) inner wall diagonal angle promotes piece (125), the one end of first motor (123) output end fixedly connected with pivot (126), the outside symmetry fixedly connected with three group catch plates (127) of pivot (126) other end, three group catch plate (127) set up inside guide way (124).

5. The multi-station secondary beam rod screw machining process according to claim 1, characterized in that: the guide rail (212) is perpendicular to the feeding runner (13), and one end of the guide rail (212) departing from the bent runner is arranged inside one side, adjacent to the beam rail (213) and the beam rail (217).

6. The multi-station secondary beam rod screw machining process according to claim 1, characterized in that: restraint adjacent one side of pole track (213) and (217) and form loudspeaker column structure, restraint pole track (213) and (217) structure the same, restraint pole track (213) including direction section, first bundle pole shaping section and second bundle pole shaping section, and restraint the bottom of pole track (213) first bundle pole shaping section and second bundle pole shaping section and be provided with the spiral head groove.

7. The multi-station secondary beam rod screw machining process according to claim 1, characterized in that: the rotating pin penetrates through the end face of one end of the transmission rod (221), is rotatably connected with the other end of the transmission rod (221) and the transmission block (225), and can drive the transmission rod (221) to reciprocate along with the rotating pin (222) in a circular motion.

8. The multi-station secondary beam rod screw machining process according to claim 1, characterized in that: the size of the connecting block (226) is matched with the limiting groove (215), the connecting block (226) is connected inside the limiting groove (215) in a sliding mode, the transmission rod (221) drives the auxiliary rod bundling plate (227) to do reciprocating motion through the transmission block (225) and the connecting block (226), and the auxiliary rod bundling plate (227) extrudes and shapes a blank through the first rod bundling forming section and the second rod bundling forming section while reciprocating motion is conducted, so that the blank is formed into the first rod bundling section and the second rod bundling section.

9. The multi-station secondary beam rod screw machining process according to claim 1, characterized in that: the extrusion strip (342) comprises a plurality of groups of extrusion teeth which are arranged at equal intervals along the vertical direction, and the heights of the extrusion teeth of the plurality of groups of extrusion strips (342) are sequentially increased.