CN112122913A

CN112122913A - Screw machine

Info

Publication number: CN112122913A
Application number: CN202010950483.7A
Authority: CN
Inventors: 谢宝琳
Original assignee: Shenzhen Huahaida Technology Co ltd
Current assignee: Shenzhen Huahaida Technology Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2020-12-25

Abstract

The application relates to a screw machine, which comprises a machine base, a machine cover, a workbench, a feeding and distributing unit, a screw locking unit and a three-axis driving unit. The workbench is used for supporting and positioning the workpiece; the feeding and distributing unit is used for storing the bolts and distributing a single bolt; the three-axis driving unit is used for driving the screw locking unit to be close to the feeding and distributing unit and picking up a single bolt, and the three-axis driving unit realizes space movement between the screw locking unit and the workbench so as to complete embedding and screwing of the bolt in the hole. This application has in the production process, and the workman only needs guarantee the continuous supply of bolt, and follow-up process screw machine realizes the automatic picking bolt according to preset procedure automatic operation, accomplishes the location between bolt and the work piece (hole) automatically to accomplish automatically and screw up, and then realize simplifying the effect of workman's operation.

Description

Screw machine

Technical Field

The application relates to the field of bolt fastening equipment, in particular to a screw machine.

Background

In the production and assembly of mechanical equipment, two or more parts are often fixed by using bolts to penetrate through the parts.

When the bolt is used for realizing fixation, the tightening torque of the bolt is an important parameter for ensuring the reliability of threaded connection.

A tightening gun is an electric wrench tool. In production, a tightening gun is often used to assist in achieving tightening of the bolt, so as to achieve precise control of the tightening torque of the bolt.

In view of the above-mentioned related art, the inventor thinks that when assembling the bolt, it is necessary to manually mount one bolt on the output shaft of the tightening gun, and then lift up the tightening gun and align the bolt thereon with the threaded hole, and finally start the tightening gun to complete the assembly of one bolt, and repeat the above-mentioned process to complete the assembly of all bolts, and during the assembly process, the operation of the worker is cumbersome.

Disclosure of Invention

In order to simplify the operation of workers, the application provides a screw machine.

The application provides a screw machine adopts following technical scheme:

a screw machine comprising:

a machine base;

the workbench is arranged on the base in a sliding mode, the sliding direction of the workbench is parallel to the Y axis, and the workbench is used for supporting a workpiece;

the sliding seat is arranged on the base in a sliding mode, and the sliding direction of the sliding seat is parallel to the X axis;

the feeding seat is arranged on the sliding seat in a sliding mode, and the sliding direction of the feeding seat is parallel to the Z axis;

the screw-up gun is arranged on the feeding seat, the output end of the screw-up gun is used for clamping a bolt, and the rotation axis of the output end of the screw-up gun is parallel to the Z axis;

the feeding seat is arranged on the base and provided with a clamping groove, and the clamping groove is used for embedding one bolt and enabling the axis of the bolt to be parallel to the Z axis;

the X-axis driving mechanism is arranged on the machine base and used for driving the sliding seat to reciprocate and realizing the positioning of the sliding seat along the direction parallel to the X axis;

the Y-axis driving mechanism is arranged on the machine base and used for driving the workbench to reciprocate and realizing the positioning of the workbench along the direction parallel to the Y axis; and

the Z-axis driving mechanism is arranged on the sliding seat and used for driving the feeding seat to reciprocate and realizing the positioning of the feeding seat along the direction parallel to the Z axis;

the X axis, the Y axis and the Z axis are vertical to each other.

By adopting the technical scheme, during production, a workpiece is placed on the workbench and positioned, the bolt is embedded into the clamping groove, the tightening gun moves along with the sliding seat and the feeding seat and is close to and picks up the bolt, then the tightening gun carries the bolt to move along with the sliding seat and the feeding seat, the workpiece moves along with the workbench, namely, the space between the bolt and the workpiece moves, so that the bolt is embedded into the hole, and the tightening of the bolt is completed by the tightening gun;

in the production process, workers only need to guarantee continuous supply of bolts, the screw machine automatically operates according to a preset program in the follow-up process, the bolts are automatically picked up, positioning between the bolts and workpieces (holes) is automatically completed, screwing is automatically completed, and then operation of the workers is simplified.

Optionally, the method further includes:

the supporting plate is arranged on the base and is vertical to the X axis, and a channel is arranged on the supporting plate;

the slideway is arranged on one side of the supporting plate and is used for allowing a plurality of bolts to slide, the axis of each bolt is parallel to the Z axis, and the end part of the slideway is communicated to the channel;

the material blocking part is arranged on the other side of the supporting plate in a sliding mode and used for covering the channel; and

the material distribution driving mechanism is arranged on the base and used for driving the material supply seat to reciprocate along the direction parallel to the Y axis and realizing the positioning of the material supply seat along the direction parallel to the Y axis;

the feeding seat is arranged on the other side of the supporting plate in a sliding mode, the clamping groove penetrates through the feeding seat along the direction parallel to the X axis and close to the supporting plate, and the clamping groove is used for being communicated to the channel.

By adopting the technical scheme, the material distribution driving mechanism drives the material supply seat to slide, the clamping groove is opposite to the channel, the bolt moves along the slideway, and the bolt penetrates through the channel and is embedded into the clamping groove; then, the material distribution driving mechanism drives the material supply seat to be far away from the channel, and meanwhile, the material blocking part moves and covers the channel so as to block the movement of bolts in the slide way and the channel; the feeding seat carries one bolt to move through the clamping groove, so that a single bolt is separated, and the material distribution driving mechanism drives the feeding seat to move to a preset position for being picked up by the tightening gun; simultaneously, need not the workman and inlay the bolt and establish to the draw-in groove in, and then avoid screwing up the rifle and bruise the workman.

Optionally, the material distribution driving mechanism includes:

the two belt wheels are rotatably connected to the supporting plate, the rotating axes of the two belt wheels are parallel to each other and are perpendicular to the Y axis, and the connecting line of the circle centers of the two belt wheels is perpendicular to the X axis;

the synchronous belt is wound on the two belt wheels; and

the stepping motor is arranged on the supporting plate and used for driving one belt wheel to rotate;

the feeding seat is fixedly connected to the synchronous belt.

Through adopting above-mentioned technical scheme, utilize step motor and hold-in range, realize the displacement of accurate control's feeding seat, and then realize the location of feeding seat.

Optionally, the dam includes:

the stop block is connected to the supporting plate in a sliding manner; and

the limiting block is fixedly connected to the stop block;

the limiting part is further arranged on the supporting plate and used for being abutted to the limiting block, and the stop block covers the channel when the limiting block is abutted to the limiting part.

Through adopting above-mentioned technical scheme, when slip fender material spare was in order to cover the passageway, utilized the stopper to restrict the position of dog to the realization utilizes the dog to cover the passageway, and then blocks the bolt.

Optionally, the material blocking part moves back and forth along a direction parallel to the Y axis, and the limiting block is located on one side of the stop block away from the material feeding seat;

one end of the feeding seat is used for abutting against the stop block, and the end part is provided with a magnetic part which is used for attracting the stop block through magnetism.

By adopting the technical scheme, the material distribution driving mechanism drives the material supply seat to slide, the material supply seat pushes the material blocking piece to move, the stop block is separated from the channel, the clamping groove is opposite to the channel, the bolt moves along the slideway, and the bolt penetrates through the channel and is embedded into the clamping groove; then, divide material actuating mechanism drive feed seat to keep away from the passageway, the magnetic part attracts the dog, and then drives the dog and remove and cover the passageway, and the feed seat continues to remove, and the stopper is limited by spacing portion, and the stop motion, the material stopping part stop motion promptly, then breaks away from each other between magnetic part and the dog.

Optionally, the slide is equipped with a plurality ofly, and is arbitrary the slide is used for supplying many pieces of bolts to slide, and is a plurality of the slide is located backup pad with one side, the passageway correspondence is equipped with a plurality ofly, just passageway and slide one-to-one, the draw-in groove correspondence is equipped with a plurality ofly, just draw-in groove and passageway one-to-one.

Through adopting above-mentioned technical scheme, utilize a plurality of slides, draw-in groove, can realize providing a plurality of different model bolts simultaneously, screw up the rifle and according to predetermined procedure, pick up the bolt of corresponding model to satisfy the production requirement.

Optionally, the seat of sliding is equipped with a plurality ofly, arbitrary it feeds seat and Z axle actuating mechanism to be equipped with on the seat of sliding, arbitrary it screws up the rifle to feed to be equipped with on the seat, be equipped with a plurality of X axle actuating mechanism on the frame, X axle actuating mechanism's quantity equals with the quantity of the seat of sliding, one X axle actuating mechanism is used for driving a seat reciprocating motion that slides.

Through adopting above-mentioned technical scheme, a plurality of guns of screwing up are according to preset procedure synchronous working, and the synchronous working mode has the multiple, if: when one tightening gun picks up the bolt, the other tightening gun tightens the bolt onto the workpiece; alternatively, the two tightening guns pick up the bolt together, and then, tighten the bolt onto the workpiece together; the mode of synchronous operation is not limited, and the corresponding program is set according to actual needs so as to improve the production efficiency.

Optionally, the supporting plates are provided with two supporting plates, one opposite side of the two supporting plates is slidably connected with the feeding seat, and the workbench is located between the two supporting plates.

Through adopting above-mentioned technical scheme, when providing the bolt of a plurality of different models, a plurality of bolts are arranged in the both sides of workstation, are convenient for screw up the rifle and pick up fast to realize improving production efficiency.

Optionally, the method further includes:

the vibration discs are arranged on the machine base, and the output end of one vibration disc is communicated to the end part of one slide way far away from the supporting plate.

Through adopting above-mentioned technical scheme, the workman emptys a batch of bolt to the vibrations dish in to utilize the vibrations dish constantly to carry the bolt in to the slide, need not the workman and inlays the bolt in to the slide in one by one, and then realize simplifying workman's operation.

Optionally, the workstation is equipped with a plurality ofly, be equipped with a plurality of Y axle actuating mechanism on the frame, the quantity of Y axle actuating mechanism equals with the quantity of workstation, one Y axle actuating mechanism is used for driving a workstation reciprocating motion.

Through adopting above-mentioned technical scheme, a plurality of workstations move simultaneously, can realize assembling the bolt on a plurality of work pieces, if: the work piece is being installed or is being dismantled to a workstation, and another workstation is assembling bolt to realize improving machining efficiency, simultaneously, the different work pieces of mountable on a plurality of workstations, or different positions (the positive and negative) of same work piece realize multi-functional usage.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in the production process, workers only need to ensure the continuous supply of bolts, and the screw machine automatically operates according to a preset program in the subsequent process, so that the bolts are automatically picked up, the positioning between the bolts and workpieces (holes) is automatically completed, the screwing is automatically completed, and the operation of the workers is simplified;

2. a worker pours a batch of bolts into the vibration disc, and the vibration disc is used for continuously conveying the bolts into the slide way, so that the workers do not need to provide the bolts one by one, and the operation of the workers is simplified;

3. set up a plurality of slides to the realization provides the bolt of a plurality of different models, and a plurality of bolts arrange in the both sides of workstation, and the rifle of being convenient for tighten picks up fast, in order to realize improving production efficiency.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view of the structure of the inside of the hood.

Fig. 3 is a schematic structural view of the Y-axis drive mechanism and the table.

Fig. 4 is an exploded view of the structure of the Y-axis drive mechanism.

Fig. 5 is a schematic structural view of the table.

Fig. 6 is a schematic structural view of the feed distribution unit.

Fig. 7 is a schematic structural view of the material dispensing assembly.

Fig. 8 is an enlarged view at a in fig. 7.

Fig. 9 is a schematic structural view of the feeder base.

Fig. 10 is an exploded view of the structure of the X-axis drive mechanism, the Z-axis drive mechanism, and the lock screw unit.

Fig. 11 is an exploded view of the structure of the X-axis drive mechanism.

Fig. 12 is an exploded view of the structure of the Z-axis drive mechanism.

Description of reference numerals: 1. a machine base; 2. a hood; 3. a work table; 31. positioning blocks; 32. positioning pins; 33. a clamping cylinder; 34. a clamping block; 41. a Y-axis drive mechanism; 411. a Y-axis guide rail; 412. a Y-axis slide carriage; 413. a Y-axis lead screw; 414. a Y-axis nut; 415. a Y-axis motor; 416. a Y-axis shield; 417. a Y-axis mounting base; 42. a support frame; 43. an X-axis drive mechanism; 431. an X-axis guide rail; 432. an X-axis slide carriage; 433. an X-axis lead screw; 434. an X-axis nut; 435. an X-axis motor; 436. an X-axis shield; 44. a sliding seat; 45. a Z-axis drive mechanism; 451. a Z-axis guide rail; 452. a Z-axis slide carriage; 453. a Z-axis lead screw; 454. a Z-axis nut; 455. a Z-axis motor; 456. a Z-axis shield; 46. a feeding seat; 5. a supply assembly; 51. a vibration plate; 52. a slideway; 6. a material distributing component; 61. a support plate; 611. a channel; 612. a limiting part; 62. a feeding seat; 621. a card slot; 63. a material distribution driving mechanism; 631. a material distributing guide rail; 632. a material distributing slide seat; 633. a pulley; 634. a synchronous belt; 635. a stepping motor; 64. a splint; 641. a convex strip; 65. a material blocking part; 651. a stopper; 652. a guide bar; 653. a limiting block; 66. a magnetic member; 71. screwing down the gun; 72. a laser pen; 73. a vacuum tube; 74. a negative pressure tube.

Detailed Description

The present application is described in further detail below with reference to figures 1-12.

Every two of the X axis, the Y axis and the Z axis are vertical to each other, and the Z axis extends vertically.

Referring to fig. 1 and 2, a screw machine disclosed in an embodiment of the present application includes a base 1, a hood 2, a table 3, a feeding and distributing unit, a screw locking unit, and a three-axis driving unit.

The workbench 3 is used for supporting and positioning a workpiece; the feeding and distributing unit is used for storing the bolts and distributing a single bolt; the three-axis driving unit is used for driving the screw locking unit to be close to the feeding and distributing unit and picking up a single bolt, and the three-axis driving unit realizes the space movement between the screw locking unit and the workbench 3 so as to complete the embedding and tightening of the bolt in the hole.

Referring to fig. 2 and 3, two work tables 3 are provided, and the two work tables 3 are located in the middle of the machine base 1 along the direction parallel to the X axis, and can be used for fixing two workpieces of the same type on the two work tables 3, and one of the two work tables is upward in front and the other is upward in reverse, or can be used for fixing one workpiece of each of the two types on the two work tables 3. The three-axis driving unit comprises two Y-axis driving mechanisms 41, the Y-axis driving mechanisms 41 are arranged on the machine base 1, one Y-axis driving mechanism 41 is used for driving one workbench 3 to reciprocate along the direction parallel to the Y axis, and the Y axis extends along the horizontal direction.

Referring to fig. 4, the Y-axis driving mechanism 41 includes a Y-axis guide 411, a Y-axis slide 412, a Y-axis screw 413, a Y-axis nut 414, a Y-axis motor 415, a Y-axis shield 416, and a Y-axis mount 417.

Two Y-axis guide rails 411 are arranged side by side; the Y-axis slide 412 is slidably sleeved on the Y-axis guide rail 411; the Y-axis lead screw 413 is rotatably arranged around the axis of the Y-axis lead screw and is arranged between the two Y-axis guide rails 411; the Y-axis guide rail 411 and the Y-axis screw 413 both extend in the direction parallel to the Y axis; the Y-axis nut 414 is in threaded connection with the Y-axis lead screw 413 and forms a lead screw pair, and the upper end of the Y-axis nut 414 is fixedly connected with the lower end of the Y-axis sliding seat 412; an output shaft of the Y-axis motor 415 is coaxially and fixedly connected with a Y-axis lead screw 413; the Y-axis shield 416 covers the right above the Y-axis guide rail 411, the Y-axis slide seat 412, the Y-axis lead screw 413, the Y-axis nut 414 and the Y-axis motor 415; the Y-axis slide 412 extends out of the Y-axis shield 416 along two ends parallel to the X-axis direction, and the two ends of the Y-axis slide 412 are used for fixedly connecting with the Y-axis mount 417.

Referring to fig. 3, the table 3 is fixedly coupled to an upper end of a Y-axis mount 417.

Referring to fig. 5, the workbench 3 is provided with a positioning block 31 and a positioning pin 32, when a workpiece is installed, the positioning block 31 is firstly abutted to the workpiece to realize coarse positioning, and then the positioning pin 32 is inserted into the workpiece to realize accurate positioning. The worktable 3 is further provided with a clamping cylinder 33 and a clamping block 34, a piston rod of the clamping cylinder 33 can rotate around the axis of the piston rod and extends and retracts along the vertical direction, and the clamping block 34 is fixedly connected to the piston rod of the clamping cylinder 33.

After the workpiece is positioned on the workbench 3, the clamping block 34 rotates to the position right above the workpiece along with the piston rod of the clamping cylinder 33, and then the clamping block 34 moves downwards along with the piston rod of the clamping cylinder 33 to abut against the workpiece, so that the workpiece is fixed.

Referring to fig. 6, the feeding and distributing unit is disposed on the base 1 and includes three feeding assemblies 5 and two distributing assemblies 6, in this embodiment, the three feeding assemblies 5 are provided, and the two distributing assemblies 6 are distributed at two ends of the base 1 along a direction parallel to the X axis.

Each feeding assembly 5 comprises a vibration disc 51 and a slide way 52, the output end of the vibration disc 51 is communicated to one end of the slide way 52, the other end of the slide way 52 is communicated to the material distributing assembly 6, a worker pours a batch of bolts into the vibration disc 51 and utilizes the vibration disc 51 to continuously convey the bolts into the slide way 52.

Referring to fig. 6 and 7, each of the distributing assemblies 6 includes a support plate 61 and a feeding seat 62. The support plates 61 are perpendicular to the X-axis and the feed assembly 5 is located on the opposite side of the two support plates 61.

Referring to fig. 8 and 9, the support plate 61 is provided with two channels 611, the two channels 611 are located at two ends of the support plate 61 in the direction parallel to the Y axis, the channels 611 penetrate through the support plate 61 in the direction parallel to the X axis, and the channels 611 are used for bolts to pass through; the feeding seat 62 is slidably disposed on the supporting plates 61, the feeding seat 62 is located on one side opposite to the two supporting plates 61 and slides along a direction parallel to the Y axis, a clamping groove 621 is formed in the feeding seat 62, and the clamping groove 621 penetrates through the feeding seat 62 along a direction parallel to the X axis and close to the supporting plates 61.

The channel 611 is communicated with the slideway 52, and the clamping groove 621 is used for communicating with the channel 611, so as to enable a bolt to penetrate through the channel 611 and then be embedded into the clamping groove 621, and then the feeding seat 62 carries a single bolt to move along the direction parallel to the Y axis, and covers the opening of the clamping groove 621 by using the end face of the supporting plate 61, so as to prevent the bolt from separating from the clamping groove 621 along the direction perpendicular to the Z axis, and further separate the single bolt.

Referring to fig. 7 and 8, each feed assembly 6 further includes a feed drive mechanism 63, feed drive mechanism 63 including a feed guide 631, a feed slide 632, a pulley 633, a timing belt 634, and a stepper motor 635.

Referring to fig. 6 and 7, the distributing guide rails 631 are disposed on the supporting plates 61 and located on opposite sides of the two supporting plates 61, the distributing guide rails 631 extend in a direction parallel to the Y axis, and the distributing slide block 632 is slidably sleeved on the distributing guide rails 631. Two belt wheels 633 are rotatably connected to the support plate 61, the rotation axes of the two belt wheels 633 are parallel to each other and perpendicular to the Y axis, and the line of the circle centers of the two belt wheels 633 is perpendicular to the X axis; the synchronous belt 634 is wound on two belt wheels 633; the stepping motor 635 is disposed on the support plate 61, and an output shaft of the stepping motor 635 is coaxially connected to a pulley 633 to drive the pulley 633 to rotate by a predetermined angle.

Referring to fig. 8 and 9, the feeding base 62 is fixedly connected to the material separating slide 632, a clamping plate 64 is fixedly connected to the lower end of the feeding base 62, the synchronous belt 634 is clamped between the feeding base 62 and the clamping plate 64, and a protruding strip 641 clamped to the synchronous belt 634 is arranged on the upper end surface of the clamping plate 64, so that the feeding base 62 moves a predetermined distance along with the synchronous belt 634.

Referring to fig. 8 and 9, each distributing assembly 6 further includes a blocking member 65, and when the material supplying seat 62 is separated from the channel 611, the blocking member 65 is used for covering the channel 611.

The material blocking member 65 includes a stopper 651, a guide rod 652 and a stopper 653 sequentially arranged along the Y-axis direction, and the stopper 651 is located between the stopper 653 and the feeding base 62. The supporting plate 61 is further provided with a limiting portion 612, the guide rod 652 is slidably disposed in the limiting portion 612, the two ends of the guide rod 652 extend out of the limiting portion 612 to be connected with the stopper 651 and the limiting block 653, the magnetic member 66 is further disposed on one side of the limiting portion 612, which is away from the stopper 651, the magnetic member 66 can be made of a magnet, the magnetic member attracts the limiting block 653 through magnetic force, and when the magnetic member 66 attracts the limiting block 653, the stopper 651 just covers the channel 611.

Referring to fig. 8 and 9, the end of the feeding base 62 along the direction parallel to the Y-axis is also provided with a magnetic member 66, and the magnetic member 66 can attract the stopper 651 by magnetic force.

The material distribution driving mechanism 63 drives the material supply seat 62 to slide, and the material supply seat 62 pushes the material blocking part 65 to move against the attraction of the magnetic part 66 to the limiting block 653, so that the block 651 is separated from the channel 611; the bolt passes through the channel 611 and is embedded into the clamping groove 621, the material distribution driving mechanism 63 drives the material supply seat 62 to separate from the channel 611, in the process, the magnetic member 66 on the material supply seat 62 attracts the stopper 651, so as to drive the stopper 651 to move and cover the channel 611, the material supply seat 62 continues to move, the stopper 653 is limited by the limiting part 612, the movement is stopped, that is, the material blocking member 65 stops moving, and the magnetic member 66 and the stopper 651 separate from each other. Meanwhile, the material distribution driving mechanism 63 drives the material supply seat 62 to move to a preset position, so that the screw locking unit picks up a single bolt.

Referring to fig. 2 and 10, the three-axis driving unit further includes a supporting frame 42, an X-axis driving mechanism 43, a sliding seat 44, a Z-axis driving mechanism 45, and a feeding seat 46. The supporting frame 42 is disposed on the machine base 1 and spans over the feeding and separating unit, and the supporting frame 42 is used for mounting and connecting the X-axis driving mechanism 43, the sliding seat 44, the Y-axis driving mechanism 41 and the feeding seat 46.

Referring to fig. 11, two X-axis driving mechanisms 43 are provided, and two ends of the support frame 42 in the Y-axis direction are provided, and each X-axis driving mechanism 43 includes an X-axis guide rail 431, an X-axis slide 432, an X-axis lead 433, an X-axis nut 434, an X-axis motor 435, and an X-axis shield 436.

The X-axis guide rails 431 are arranged on the support frame 42 and are arranged in parallel; the X-axis sliding base 432 is sleeved on the X-axis guide rail 431 in a sliding manner; the X-axis lead screw 433 is rotatably arranged on the support frame 42 and is arranged between the two X-axis guide rails 431; the X-axis guide rail 431 and the X-axis screw rod 433 extend along the direction parallel to the X axis; the X-axis nut 434 is in threaded connection with an X-axis screw rod 433 to form a screw rod pair, and the X-axis nut 434 is fixedly connected with an X-axis sliding seat 432; the X-axis motor 435 is arranged on the support frame 42, an output shaft of the X-axis motor 435 is coaxially and fixedly connected with an X-axis lead screw 433, and an X-axis shield 436 is fixedly connected on the support frame 42 and used for covering the X-axis guide rail 431, the X-axis sliding seat 432, the X-axis lead screw 433, the X-axis nut 434 and the X-axis motor 435.

Referring to fig. 10 and 11, both ends of the X-axis slide 432 in the direction parallel to the Z-axis extend out of the X-axis shield 436, and the both ends of the X-axis slide 432 are used for connecting the sliding seat 44.

Referring to fig. 12, the Z-axis driving mechanism 45 is disposed on the sliding base 44 and includes a Z-axis guide 451, a Z-axis sliding base 452, a Z-axis screw 453, a Z-axis nut 454, a Z-axis motor 455, and a Z-axis shield 456.

The Z-axis guide rails 451 are arranged on the sliding seat 44 and are arranged in parallel; the Z-axis sliding seat 452 is sleeved on the Z-axis guide rail 451 in a sliding manner; the Z-axis lead screw 453 is rotatably arranged on the sliding seat 44 and is arranged between the two Z-axis guide rails 451; the Z-axis guide 451 and the Z-axis lead screw 453 both extend in a direction parallel to the Z-axis; the Z-axis nut 454 is in threaded connection with a Z-axis screw rod 453 to form a screw pair, and the Z-axis nut 454 is fixedly connected with a Z-axis sliding seat 452; the Z-axis motor 455 is disposed on the sliding seat 44, an output shaft of the Z-axis motor 455 is coaxially and fixedly connected to the Z-axis screw 453, and the Z-axis shield 456 is fixedly connected to the sliding seat 44 and is used for covering the Z-axis guide rail 451, the Z-axis sliding sleeve, the Z-axis screw 453, the Z-axis nut 454, and the Z-axis motor 455.

Both ends of the Z-axis slide 452 in the direction parallel to the X-axis extend out of the Z-axis shield 456, and the both ends of the Z-axis slide 452 are used for connecting the feeding base 46.

Referring to fig. 10, the lock screw unit is fixedly coupled to the feeding block 46, and includes a tightening gun 71 and a laser pointer 72.

The output end of the tightening gun 71 is sleeved with a vacuum tube 73, the lower end of the vacuum tube 73 is provided with an opening for embedding a single bolt, and the output end of the tightening gun 71 extends to the lower end of the vacuum tube 73 so as to clamp the bolt in the vacuum tube 73; the upper end of the vacuum pipe 73 is provided with a negative pressure pipe 74, one end of the negative pressure pipe 74 is communicated with the vacuum pipe 73, the other end of the negative pressure pipe 74 is communicated with an air suction pump, suction is realized at the lower end of the vacuum pipe 73, and then the bolt is picked up.

The laser pen 72 is used for emitting laser downwards, and the emitted laser generates a mark point on a workpiece, so that the opposite position of the tightening gun 71 can be conveniently and visually observed and judged, and a program can be debugged.

The implementation principle of a screw machine of the embodiment of the application is as follows: when assembling the bolts, a worker pours a batch of bolts into the vibration disc 51, the vibration disc 51 is used for continuously conveying the bolts into the slide rail 52, the feeding seat 62 separates one bolt, the bolt is driven by the material distribution driving mechanism 63 to move to a preset position to be picked up by the vacuum of the tightening gun 71 box, then the three-axis driving unit acts, the space between the tightening gun 71 and the workpiece moves, the bolts are tightened into holes of the workpiece, and the assembling of the bolts is completed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A screw machine, comprising:

a machine base (1);

the workbench (3) is arranged on the base (1) in a sliding mode, the sliding direction of the workbench is parallel to the Y axis, and the workbench (3) is used for supporting a workpiece;

the sliding seat (44) is arranged on the machine base (1) in a sliding mode, and the sliding direction is parallel to the X axis;

the feeding seat (46) is arranged on the sliding seat (44) in a sliding mode, and the sliding direction is parallel to the Z axis;

the tightening gun (71) is arranged on the feeding seat (46), the output end of the tightening gun (71) is used for clamping a bolt, and the rotation axis of the output end of the tightening gun (71) is parallel to the Z axis;

the feeding seat (62) is arranged on the machine base (1), a clamping groove (621) is formed in the feeding seat (62), the clamping groove (621) is used for embedding one bolt, and the axis of the bolt is parallel to the Z axis;

the X-axis driving mechanism (43) is arranged on the machine base (1) and used for driving the sliding seat (44) to move in a reciprocating manner and realizing the positioning of the sliding seat (44) along the direction parallel to the X axis;

the Y-axis driving mechanism (41) is arranged on the machine base (1) and used for driving the workbench (3) to reciprocate and realizing the positioning of the workbench (3) along the direction parallel to the Y axis; and

the Z-axis driving mechanism (45) is arranged on the sliding seat (44) and used for driving the feeding seat (46) to reciprocate and realizing the positioning of the feeding seat (46) along the direction parallel to the Z axis;

the X axis, the Y axis and the Z axis are vertical to each other.

2. The screw machine of claim 1, further comprising:

the supporting plate (61) is arranged on the base (1) and is perpendicular to the X axis, a channel (611) is arranged on the supporting plate (61), and the channel (611) is arranged on the channel;

the slideway (52) is arranged on one side of the supporting plate (61), the slideway (52) is used for allowing a plurality of bolts to slide, the axes of the bolts are parallel to the Z axis, and the end part of the slideway (52) is communicated to the channel (611);

the material blocking part (65) is arranged on the other side of the supporting plate (61) in a sliding mode, and the material blocking part (65) is used for covering the channel (611); and

the material distribution driving mechanism (63) is arranged on the machine base (1) and is used for driving the material supply seat (62) to reciprocate along the direction parallel to the Y axis and realizing the positioning of the material supply seat (62) along the direction parallel to the Y axis;

the feeding seat (62) is arranged on the other side of the supporting plate (61) in a sliding mode, the clamping groove (621) penetrates through the feeding seat (62) along the direction parallel to the X axial direction and close to the supporting plate (61), and the clamping groove (621) is used for communicating with the channel (611).

3. The screw machine according to claim 2, characterized in that said feed drive mechanism (63) comprises:

the two belt wheels (633) are rotatably connected to the supporting plate (61), the rotating axes of the two belt wheels (633) are parallel to each other and are perpendicular to the Y axis, and the connecting line of the circle centers of the two belt wheels (633) is perpendicular to the X axis;

the synchronous belt (634) is wound on the two belt wheels (633); and

the stepping motor (635) is arranged on the supporting plate (61) and is used for driving one belt wheel (633) to rotate;

the feeding seat (62) is fixedly connected to the synchronous belt (634).

4. The screw machine according to claim 2 or 3, characterized in that said blocking element (65) comprises:

a stopper 651 slidably connected to the support plate 61; and

the limiting block (653) is fixedly connected to the block (651);

the supporting plate (61) is further provided with a limiting part (612), the limiting part (612) is used for abutting against a limiting block (653), and when the limiting block (653) abuts against the limiting part (612), the stop block (651) covers the channel (611).

5. The screw machine of claim 4, wherein: the material blocking part (65) moves in a reciprocating mode along the direction parallel to the Y axis, and the limiting block (653) is located on one side, away from the material feeding seat (62), of the stop block (651);

one end of the feeding seat (62) is used for abutting against the stop block (651), a magnetic part (66) is arranged at the end of the feeding seat, and the magnetic part (66) is used for attracting the stop block (651) through magnetism.

6. The screw machine of claim 2, wherein: slide (52) are equipped with a plurality ofly, and arbitrary slide (52) are used for supplying many pieces of bolts to slide, and is a plurality of slide (52) are located backup pad (61) with one side, passageway (611) correspondence is equipped with a plurality ofly, just passageway (611) and slide (52) one-to-one, draw-in groove (621) correspond and are equipped with a plurality ofly, just draw-in groove (621) and passageway (611) one-to-one.

7. The screw machine according to claim 2 or 6, characterized in that: the sliding seat (44) is provided with a plurality of, and is arbitrary be equipped with on the sliding seat (44) and feed seat (46) and Z axle actuating mechanism (45), and is arbitrary be equipped with on feeding seat (46) and screw up rifle (71), be equipped with a plurality of X axle actuating mechanism (43) on frame (1), the quantity of X axle actuating mechanism (43) equals with the quantity of sliding seat (44), one X axle actuating mechanism (43) are used for driving a sliding seat (44) reciprocating motion.

8. The screw machine of claim 7, wherein: the supporting plates (61) are two, one side, opposite to the supporting plates (61), of the supporting plates is connected with the feeding seat (62) in a sliding mode, and the workbench (3) is located between the two supporting plates (61).

9. The screw machine of claim 2 or 6, further comprising:

the vibration discs (51) are arranged on the machine base (1), and the output end of one vibration disc (51) is communicated to the end part of one slide way (52) far away from the supporting plate (61).

10. The screw machine of claim 2 or 3 or 6, characterized in that: workstation (3) are equipped with a plurality ofly, be equipped with a plurality of Y axle actuating mechanism (41) on frame (1), the quantity of Y axle actuating mechanism (41) equals with the quantity of workstation (3), one Y axle actuating mechanism (41) are used for driving a workstation (3) reciprocating motion.