CN214217107U - Draw straightening all-in-one is drawn to first reducing - Google Patents

Abstract

The utility model belongs to the technical field of steel pipe processing, in particular to a reducing, drawing and straightening integrated machine which is characterized by comprising a raw material rack, a reducing mechanism, a first feeding mechanism, a drawing mechanism, a second feeding mechanism and a straightening mechanism which are arranged in sequence; the first feeding mechanism comprises a head-reducing rotary drawing material rack, a first driving part, a first transmission shaft, a plurality of first driving wheels, a first driven wheel and a first conveyor belt; the first driving piece and the first transmission shaft are both arranged on the head-reducing and drawing material frame; the first driving piece is connected with the first transmission shaft, each first driving wheel is connected with the first transmission shaft, each first driven wheel is installed on the drawing mechanism, the first transmission belt is sleeved between the corresponding first driving wheel and the corresponding first driven wheel, each first transmission belt is arranged in an inclined mode, feeding teeth are arranged on the surface of each first transmission belt, steel pipes do not need to be carried manually, and production efficiency is improved.

Description

Draw straightening all-in-one is drawn to first reducing

Technical Field

The utility model belongs to the technical field of steel pipe production, especially, relate to a straightening all-in-one is drawn to throat.

Background

The hot rolling method for seamless steel pipes is a main mode for producing the current seamless steel pipes, but the steel pipes produced by the hot rolling method have insufficient dimensional precision and even have other defects such as concave surfaces, straight through, indentation and the like, in order to obtain the seamless steel pipes with smooth surfaces, higher dimensional precision and less defects, the drawing production method is usually adopted, the steel pipes are drawn in the prior art, the steel pipes need to be manually conveyed to a heading machine for heading, then the headed steel pipes are conveyed to a drawing assembly, and each process needs to be manually conveyed, so that the production efficiency is low, the stability is poor, and a large amount of labor is consumed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a first straightening all-in-one is drawn to reducing aims at solving drawing the steel pipe among the prior art, and every process all needs the manpower transport to lead to the technical problem that production efficiency is low.

In order to achieve the above object, an embodiment of the present invention provides a reducing, drawing and straightening integrated machine, which includes a raw material rack, a reducing mechanism, a first feeding mechanism, a drawing mechanism, a second feeding mechanism and a straightening mechanism, which are sequentially arranged; the first feeding mechanism comprises a head-reducing rotary drawing material rack, a first driving part, a first transmission shaft, a plurality of first driving wheels, a first driven wheel and a first conveyor belt; the first driving piece and the first transmission shaft are both arranged on the head-reducing and drawing material frame; the first driving piece is connected with the first transmission shaft, each first driving wheel is connected with the first transmission shaft, each first driven wheel is installed on the drawing mechanism, the first transmission belts are sleeved between the corresponding first driving wheels and the corresponding first driven wheels, each first transmission belt is obliquely arranged, and feeding teeth are arranged on the surfaces of the first transmission belts.

Optionally, the height of the right side of the reducing head transfer drawing rack is lower than the height of the left side of the reducing head transfer drawing rack.

Optionally, the left side of the raw material rack is higher than the right side of the raw material rack, the right side of the raw material rack is provided with a raw material limiting portion, the top surface of the raw material limiting portion inclines towards the direction of the head shrinking mechanism, the right side of the raw material rack is further provided with a raw material lifter and a raw material top block, the raw material lifter is installed on the raw material rack, and the raw material top block is installed at the output end of the raw material lifter.

Optionally, the head-retracting mechanism comprises a head-retracting rack, a head-retracting roller, a head-retracting lifter and a head-retracting assembly; the head-reducing rolling wheels are arranged on the head-reducing material rack at intervals, the head-reducing lifters are arranged between the head-reducing rolling wheels, and the head-reducing assembly is installed at one end of the head-reducing material rack.

Optionally, the reducing head assembly comprises a reducing head sliding seat and a reducing head die; the head-shrinking sliding seat is arranged on the head-shrinking material frame in a sliding mode, a clamping piece is arranged on the head-shrinking sliding seat, and the head-shrinking die is installed at one end of the head-shrinking material frame.

Optionally, the drawing mechanism comprises a material rotating component, a core pulling component and a drawing component, the material rotating component is installed above the drawing component, and the core pulling component is installed at one end of the drawing component.

Optionally, the material transferring assembly comprises a material transferring frame, a material transferring part and a material pushing part, the material transferring frame is mounted on the drawing assembly, each first driven wheel is mounted on the material transferring frame, the material transferring part is mounted on the material transferring frame, and the material pushing part is mounted at one end of the material transferring part, which is opposite to the core pulling assembly.

Optionally, the core pulling assembly comprises a core pulling frame, a core pulling pipe fitting and a core pulling lifter; the core pulling frame is installed at one end of the drawing assembly, the core pulling pipe fitting is rotatably connected with the first end of the core pulling frame, and the core pulling lifter is located at the second end of the core pulling frame and connected with the core pulling pipe fitting.

Optionally, the drawing assembly comprises a drawing frame, a drawing trolley, a drawing die and a drawing driving piece; the drawing die is fixedly arranged at one end, close to the core drawing frame, of the drawing frame, the drawing trolley is slidably arranged on the drawing frame, and the drawing driving piece drives the drawing trolley to reciprocate on the drawing frame.

Optionally, the straightening mechanism comprises a straightening automatic feeding frame, a straightening machine and a straightening discharging frame which are arranged in sequence; the straightening automatic feeding frame is positioned at one side of the drawing and straightening material transferring frame

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the first straightening all-in-one of drawing of contracting draw has one of following technological effect at least: the steel pipe after the head is contracted is moved and is carried to the head that contracts and change and draw the work or material rest, and first driving piece drive first transmission shaft rotates to drive first conveyer belt and rotate, under the drive of pay-off tooth, move the steel pipe and carry to drawing mechanism on, and first conveyer belt slope sets up, ensures when moving the steel pipe, makes the steel pipe keep on first conveyer belt, moves and carries more stably. And drive first transmission shaft through first driving piece and rotate, first transmission shaft drives a plurality of first action wheels simultaneously for each first conveyer belt is synchronous motion, has improved and has moved the stability of carrying the steel pipe, need not artifical transport steel pipe, has improved the efficiency of production.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

FIG. 1 is a schematic structural diagram of a reducing, drawing and straightening all-in-one machine provided by an embodiment of the present invention.

Fig. 2 is a schematic structural view of the source frame in fig. 1.

FIG. 3 is a schematic structural diagram of the head retracting mechanism in FIG. 1

FIG. 4 is a schematic structural view of the first feeding mechanism in FIG. 1

FIG. 5 is a schematic view of the drawing mechanism of FIG. 1

FIG. 6 is a schematic structural view of the second feeding mechanism in FIG. 1

FIG. 7 is a schematic structural view of the straightening automatic feeding frame in FIG. 1

FIG. 8 is a schematic structural view of the straightening discharge frame in FIG. 1

FIG. 9 is a schematic view of the cutting mechanism of FIG. 1

FIG. 10 is a schematic view of the cutting auxiliary stack portion of FIG. 9

Wherein, in the figures, the respective reference numerals:

1-raw material frame 11-raw material spacing part 12-raw material lifter

13-raw material top block 2-head shrinking mechanism 21-head shrinking material rack

22-head-shrinking roller 23-head-shrinking lifter 24-head-shrinking assembly

241-draw the first slide 2411-clamp and get 242-draw the first mould

3-first feeding mechanism 31-reducing head rotating and drawing material rack 32-first feeding component

321-first driving member 322-first transmission shaft 323-first driving wheel

324-first driven wheel 325-first conveyor belt 4-drawing mechanism

41-material transferring component 411-material transferring frame 412-material transferring part

413-pushing element 42-core-pulling assembly 421-core-pulling frame

422-core pulling pipe fitting 423-core pulling lifter

424-core pulling rod 425-core pulling and material withdrawing piece 426-fixing frame

43-drawing assembly 431-drawing rack 432-drawing trolley

433-drawing die 434-drawing driving piece 435-discharging cylinder

436-unloading part 5-second feeding mechanism 51-drawing and straightening material frame

511-feeding limiting part 512-jacking assembly 5122-jacking block

52-second feeding component 521-second driving piece 522-second transmission shaft

523-second driving wheel 524-second driven wheel 525-second transmission belt

6-straightening mechanism 61-straightening automatic feeding frame 611-straightening air cylinder

612-straightening driving piece 613-straightening support 614-straightening transmission shaft

615 straightening material wheel 616, position limiter 62 and straightening machine

63-straightening discharging frame 631-discharging part 7-cutting mechanism

71-temporary storage rack 72-cutting machine 721-cutting table

722-cutting driving piece 73-cutting feeding frame 74-cutting auxiliary material frame

75-automatic length control device 751-fixed length motor 752-fixed length transmission shaft

753 fixed-length support 754 fixed-length pressing block.

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 by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the 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, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1-2, a head-shrinking multi-drawing straightening and material-cutting integrated machine is provided, which includes a raw material frame 1, a head-shrinking mechanism 2, a first feeding mechanism 3, a drawing mechanism 4, a second feeding mechanism 5, a straightening mechanism 6 and a cutting mechanism 7, which are sequentially arranged;

the utility model discloses a raw materials frame, including raw materials frame 1, first mechanism 2, former frame 1, the top surface slope of former frame 1, raw materials frame 1 is close to one side of first mechanism 2 that contracts is the right side, the left side of raw materials frame 1 highly is higher than its right side's height, the right side of raw materials frame 1 is provided with spacing portion 11 of raw materials, the top surface slope of spacing portion 11 of raw materials to the first mechanism 2 direction that contracts extends, the right side of raw materials frame 1 still is provided with raw materials riser 12 and raw materials kicking block 13, raw materials riser 12 install in on raw materials frame 1, raw materials kicking block 13 install in the output of raw materials riser 12.

Specifically, place the steel pipe on former work or material rest 1, because the left side height of former work or material rest 1 is higher than the height on its right side, the steel pipe rolls to the right-hand of former work or material rest 1, because the right side of former work or material rest 1 is provided with spacing portion 11 of raw materials, consequently, the steel pipe stops in the right side of former work or material rest 1, then 12 drive raw materials kicking blocks 13 rebound of raw materials riser, thereby rise the steel pipe to the top surface of raw materials lift portion along the lateral wall of spacing portion 11 of raw materials, and the up end of raw materials kicking blocks 13 is higher than the up end of raw materials stopper, the steel pipe drops to in the mechanism 2 that contracts along the up end of raw materials stopper, the realization moves the steel pipe on former work or material rest 1 to move in proper order to mechanism 2 that contracts.

The left side height of raw materials kicking block 13 up end is higher than the right side height, and raw materials kicking block 13 with spacing portion 11 of raw materials sets up adjacently.

Specifically, because the left side height of raw materials kicking block 13 up end is higher than the right side height, when raw materials kicking block 13 was with the steel pipe jack-up, the steel pipe can not drop from the left side of raw materials kicking block 13 for the steel pipe keeps between raw materials kicking block 13 and raw materials spacing portion 11 in the lift-off process, has improved the stability of carrying the steel pipe.

The head-reducing mechanism 2 comprises a head-reducing material rack 21, a head-reducing roller 22, a head-reducing lifter 23 and a head-reducing assembly 24; the head-reducing rollers 22 are arranged on the head-reducing material rack 21 at intervals, the head-reducing lifters 23 are arranged between the head-reducing rollers 22, and the head-reducing assembly 24 is mounted at one end of the head-reducing material rack 21;

specifically, the steel pipes fall from the raw material frame 1 onto the contraction head rollers 22, the contraction head assembly 24 contracts the head of one end of each steel pipe, and then the contraction head lifter 23 jacks up and moves the steel pipes with the contracted heads to the first feeding mechanism 3, so that the steel pipes with the contracted heads are automatically transferred to the first feeding mechanism 3 without manual carrying, and the labor cost is reduced.

The head-reducing assembly 24 comprises a head-reducing slide seat 241 and a head-reducing mould 242; the head-reducing sliding seat 241 is slidably arranged on the head-reducing material rack 21, a clamping piece 2411 is arranged on the head-reducing sliding seat 241, and the head-reducing mold 242 is arranged at one end of the head-reducing material rack 21. Specifically, the end-retracting slide 241 moves towards the steel pipe, after the clamping piece 2411 on the end-retracting slide 241 clamps the steel pipe, the end-retracting slide 241 moves towards the end-retracting die 242, so that one end of the steel pipe extends into the end-retracting die 242, the end-retracting die 242 retracts the steel pipe, then the end-retracting slide 241 takes out the steel pipe after the end is retracted from the end-retracting die 242 and loosens the steel pipe, and therefore the process of moving the steel pipe to the end is achieved.

The head shrinking die 242 adopts a four-die, a six-die or a round pipe die, and the four-die, the six-die or the round pipe die is adopted to shrink the head of the round pipe according to different production procedures, so that the production requirement is met.

The first feeding mechanism 3 comprises a head reducing rotary drawing rack 31 and a first feeding component 32, one side of the head reducing rotary drawing rack 31 close to the drawing mechanism 4 is the right side, the right side of the head reducing rotary drawing rack 31 is lower than the left side of the head reducing rotary drawing rack, and the first feeding component 32 is installed on the right side of the head reducing rotary drawing rack 31 and used for transferring a steel pipe located on the head reducing rotary drawing rack 31 to the drawing mechanism 4.

The first feeding assembly 32 comprises a first driving member 321, a first transmission shaft 322, a plurality of first driving wheels 323, a first driven wheel 324 and a first conveyor belt 325; the first driving member 321 and the first transmission shaft 322 are both mounted on the head-reducing and drawing material frame 31; the first driving member 321 is connected to the first transmission shaft 322, each first driving wheel 323 is connected to the first transmission shaft 322, each first driven wheel 324 is mounted on the drawing mechanism 4, the first transmission belt 325 is sleeved between the corresponding first driving wheel 323 and the corresponding first driven wheel 324, and the surface of each first transmission belt 325 is provided with feeding teeth. The first driving wheel 323 and the first driven wheel 324 are arranged obliquely.

Specifically, the reducing lifter 23 transfers the steel pipe after reducing to the reducing and drawing rack 31, the steel pipe rolls to the right side of the reducing and drawing rack 31, the first driving part 321 drives the first transmission shaft 322 to rotate, so as to drive the first transmission belt 325 to rotate, the steel pipe is transferred to the drawing mechanism 4 under the driving of the feeding teeth, and the first driving wheel 323 and the first driven wheel 324 are obliquely arranged, that is, the first transmission belt 325 is obliquely arranged, so that the steel pipe is kept on the first transmission belt 325 when transferring the steel pipe, and the transferring is more stable. And drive first transmission shaft 322 through first driving piece 321 and rotate, first transmission shaft 322 drives a plurality of first action wheels 323 simultaneously for each first conveyer belt 325 is synchronous motion, has improved the stability of carrying the steel pipe.

The first conveying belt is provided with a belt or a chain according to different steel pipe production processes, so that the first conveying belt is suitable for processing steel pipes of different specifications, and the practicability is improved.

The drawing mechanism 4 comprises a material transferring component 41, a core pulling component 42 and a drawing component 43, wherein the material transferring component 41 is arranged above the drawing component 43, and the core pulling component 42 is arranged at one end of the drawing component 43. Specifically, the steel pipe is transferred to the material transferring assembly 41, then falls to the core pulling assembly 42, enters the drawing assembly 43 to be drawn, automatic drawing from head shrinking is achieved, and the material transferring assembly 41 is arranged above the drawing assembly 43, so that space occupation is reduced, and space utilization rate is improved.

The material transferring assembly 41 includes a material transferring frame 411, a material transferring member 412 and a material pushing member 413, the material transferring frame 411 is installed on the drawing assembly 43, each of the first driven wheels 324 is installed on the material transferring frame 411, the material transferring member 412 is installed on the material transferring frame 411, and the material pushing member 413 is installed at one end of the material transferring member 412, which faces away from the core pulling assembly 42. Specifically, the conveyer belt transfers the steel pipe with the shrunk head to the material transferring member 412, and then the material pushing member 413 pushes the steel pipe to move towards the direction of the core pulling assembly 42, so that the steel pipe is sleeved on the core pulling assembly 42.

The height of the material transfer part 412 is gradually decreased towards the core back assembly 42. Specifically, because the height of the material rotating part 412 gradually decreases towards the core pulling assembly 42, the difficulty that the material pushing part 413 pushes the steel pipe is reduced, and the stability of processing the steel pipe is improved.

The material transferring part 412 is of a right-angle structure with an upward opening, the material transferring part 412 of the right-angle structure can be suitable for bearing steel pipes of different types, and the practicability of the material transferring part 412 is improved.

The core pulling assembly 42 comprises a core pulling frame 421, a core pulling pipe fitting 422 and a core pulling lifter 423; the core drawing frame 421 is installed at one end of the drawing assembly 43, the end of the core drawing frame 421 away from the drawing assembly 43 is a first end, and the end of the core drawing frame 421 close to the drawing assembly 43 is a second end; the core pulling pipe fitting 422 is rotatably connected with a first end of the core pulling frame 421, and the core pulling lifter 423 is located at a second end of the core pulling frame 421 and connected with the core pulling pipe fitting 422. Specifically, the core pulling lifter 423 drives one end of the core pulling pipe fitting 422 to ascend and then to be parallel to the material rotating part 412, the material pushing part 413 pushes the steel pipe to the core pulling pipe fitting 422, and then the core pulling lifter 423 descends and resets, so that the steel pipe is horizontally placed and conveniently enters the drawing assembly 43.

The core pulling assembly 42 further comprises a core pulling rod 424 and a core pulling material returning part 425, the core pulling rod 424 material returning part is installed at the first end of the core pulling frame 421, and the core pulling rod 424 is connected with the core pulling material returning part 425 and is located above the core pulling pipe fitting 422. Specifically, the core pulling rod 424 is inserted into the through hole of the steel pipe, the core pulling returning part 425 moves the steel pipe towards the direction of the drawing assembly 43, and the drawing assembly 43 draws the steel pipe, so that the step of automatically transferring the steel pipe is realized.

In another embodiment of the present invention, the core pulling assembly 42 further includes a fixing frame 426, and the fixing frame 426 is installed at the first end of the core pulling frame 421 and located at the joint between the core pulling rod 424 and the core pulling material returning member 425. Specifically, the fixing frame 426 is arranged to improve the connection stability between the core pulling rod 424 and the core pulling material returning piece 425, so as to improve the function of positioning the steel pipe.

In another embodiment of the present invention, the drawing assembly 43 comprises a drawing frame 431, a drawing trolley 432, a drawing die 433, a drawing driving member 434; the drawing die 433 is fixedly installed at one end, close to the core drawing frame 421, of the drawing frame 431, the drawing trolley 432 is slidably installed on the drawing frame, and the drawing driving piece 434 drives the drawing trolley 432 to reciprocate on the drawing frame. Specifically, the steel pipe is moved by the core pulling rod 424 close to the drawing die 433, one end of the steel pipe passing through the draw head passes through the drawing die 433, the drawing driving part 434 drives the drawing trolley 432 to move towards the drawing die 433, the drawing trolley 432 clamps the steel pipe at the draw head, and then the drawing driving part 434 drives the drawing trolley 432 to move, so that the steel pipe is drawn.

In another embodiment of the present invention, the drawing driving member 434 adopts a chain type or a hydraulic type, and the steel pipes with different specifications adopt a chain type or a hydraulic type, so as to improve the production stability.

In another embodiment of the present invention, the drawing assembly 43 further comprises a plurality of discharging cylinders 435 and discharging members 436; each of the discharging cylinders 435 is disposed at a side of the drawing frame 431 at intervals, and each of the discharging cylinders 435 is provided with the discharging member 436. Specifically, after the steel pipe is pulled by the drawing trolley 432, the unloading cylinder 435 drives the unloading pieces 436 to move to the lower side of the steel pipe, and then after the steel pipe is loosened by the drawing trolley 432, the steel pipe falls onto each unloading piece 436 and falls onto the second feeding mechanism 5 along the unloading pieces 436, so that the drawn steel pipe is automatically transferred onto the second feeding mechanism 5, and the transfer efficiency is improved.

The discharge cylinder 435 can be a rotary cylinder or a linear cylinder.

The second feeding mechanism 5 comprises a drawing and straightening material transferring frame 51 and a second feeding assembly 52; the drawing and straightening frame 51 is arranged on the right side far away from the drawing rack 431, the second feeding assemblies 52 are arranged on the drawing and straightening frame 51 at intervals, a feeding limiting part 511 is arranged on the right side of the drawing and straightening frame 51, and the upper end of the feeding limiting part 511 extends towards the straightening mechanism 6 in an inclined manner; the right side of the drawing and straightening material transferring frame 51 is also provided with a jacking assembly 512, the jacking assembly 512 is used for jacking a steel pipe on the right side of the drawing and straightening material transferring frame 51, and the steel pipe rolls into the straightening mechanism 6 along the upper end of feeding.

The second feeding assembly 52 comprises a second driving element 521, a second transmission shaft 522, a plurality of second driving wheels 523, a second driven wheel 524 and a second conveyor belt 525; the two sides of the drawing and straightening material transferring frame 51 are respectively provided with the second transmission shafts 522, the second driving wheel 523 and the second driven wheel 524 are respectively arranged on the corresponding second transmission shafts 522, the second conveying belt 525 is sleeved between the second driving wheel 523 and the second driven wheel 524, the second driving part 521 is connected with one of the second transmission shafts 522, and the surface of the second conveying belt 525 is provided with feeding teeth.

The jacking assembly 512 comprises a jacking lifter and a jacking block 5122, and the upper end face of the jacking block 5122 is obliquely arranged. Specifically, the height of the upper end surface of the jacking block 5122 gradually decreases towards the right, so that the steel pipe can be kept between the jacking piece and the feeding limiting part 511 during jacking, and the stability of jacking the steel pipe is ensured.

The straightening mechanism 6 comprises a straightening automatic feeding frame 61, a straightening machine 62 and a straightening discharging frame 63 which are arranged in sequence; the straightening automatic feeding frame 61 is positioned at one side of the drawing and straightening material transferring frame 51;

the straightening automatic feeding frame 61 and the straightening discharging frame 63 are respectively provided with a straightening air cylinder 611, a straightening driving piece 612, a straightening support 613, a straightening transmission shaft 614 and a straightening material wheel 615; the straightening support 613 is rotatably connected with the straightening automatic feeding frame 61/the straightening discharging frame 63; the straightening transmission shaft 614 is connected with the lower end of each straightening support 613, the straightening material wheels 615 are installed at the upper end of the straightening support 613, and the straightening driving element 612 is connected with each straightening wheel. Specifically, the steel pipe falls from the drawing and straightening material transferring frame 51 to each straightening material wheel 615, the straightening air cylinder 611 drives the straightening transmission shaft 614 to rotate the straightening support 613, so that the straightening material wheels 615 move up and down, so that the height of the steel pipe is the same as that of an inlet of the straightening machine 62, then the straightening driving piece 612 drives each straightening material wheel 615 to work, the steel pipe is transferred to the straightening machine 62, and the straightening machine 62 straightens the steel pipe and then moves out along the straightening material discharging rack.

And a limiting piece 616 is also arranged on the straightening automatic feeding frame 61. Specifically, the limiting member 616 is located above the straightening material wheel 615, so as to prevent the steel tube from coming off in the straightening process, and ensure the safety of processing.

The straightening discharging frame 63 is further provided with a discharging part 631, and the upper end face of the discharging part 631 is obliquely arranged. Specifically, the straightening cylinder 611 drives the straightening support 613 to be lowered, and the steel pipe falls onto the discharging section 631 and rolls along the top surface of the discharging section 631.

The cutting mechanism 7 comprises a temporary storage rack 71, a cutting machine 72, a cutting feeding rack 73, a cutting auxiliary rack 74 and two automatic length fixing devices 75;

the temporary storage rack 71 is arranged between the straightening discharge rack 63 and the cutting feed rack 73, and the cutting machine 72 is arranged between the cutting feed rack 73 and the cutting auxiliary rack 74; the two automatic length control devices 75 are respectively installed on the cutting feed frame 73 and the cutting auxiliary material frame 74 and located at two sides of the cutting machine 72. Specifically, the steel pipes after being drawn are stored on the temporary storage rack 71, then a plurality of steel pipes are transferred to the cutting and feeding rack 73, the length fixing devices on the cutting and feeding rack 73 clamp and transfer each steel pipe to the automatic length fixing device 75 on the auxiliary cutting and feeding rack 74 after passing through the cutting mechanism 7, the two devices are matched to adjust the position of each steel pipe, and then the cutting machine 72 simultaneously cuts the plurality of steel pipes, so that the integrated operation of drawing, straightening and cutting by the aid of the reducing head is realized, and the production efficiency is improved.

The cutting machine 72 includes a cutting table 721, a saw blade (not shown in the figure) and a cutting driving member 722, the cutting driving member 722 drives the saw blade to reciprocate left and right, so as to cut the steel pipe, and the cutting table 721 is provided with a guide slit adapted to the saw blade. Particularly, the saw blade reciprocates along the guide slit, thereby improving the moving stability of the saw blade.

A guide post is also provided between the cutting driving member 722 and the cutting table 721, which improves the stability of the saw blade movement.

The automatic length control device 75 comprises a length control motor 751, a length control transmission shaft 752, a length control bracket 753 and a length control pressing block 754; the fixed-length motor 751 is connected with the fixed-length transmission shaft 752, the fixed-length support 753 is slidably mounted on the cutting and feeding frame 73, the bottom of the fixed-length support 753 is in threaded connection with the fixed-length transmission shaft 752, and the fixed-length pressing block 754 is located at the upper end and two sides of the fixed-length support 753. Specifically, the fixed-length motor 751 drives the fixed-length transmission shaft 752 to make the fixed-length beam reciprocate along the cutting and feeding frame 73, and the fixed-length press block 754 presses two sides and the upper side of the steel pipe respectively, so as to pull the steel pipe to move, and adjust the cutting position of the steel pipe.

The connection mode of the cutting auxiliary material frame 74 with the automatic length fixing device 75 thereon is the same as that of the cutting feeding frame 73 with the automatic length fixing device 75 thereof, and the description is omitted.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A head-shrinking, drawing and straightening integrated machine is characterized by comprising a raw material rack, a head shrinking mechanism, a first feeding mechanism, a drawing mechanism, a second feeding mechanism and a straightening mechanism which are sequentially arranged; the first feeding mechanism comprises a head-reducing rotary drawing material rack, a first driving part, a first transmission shaft, a plurality of first driving wheels, a first driven wheel and a first conveyor belt; the first driving piece and the first transmission shaft are both arranged on the head-reducing and drawing material frame; the first driving piece is connected with the first transmission shaft, each first driving wheel is connected with the first transmission shaft, each first driven wheel is installed on the drawing mechanism, the first transmission belts are sleeved between the corresponding first driving wheels and the corresponding first driven wheels, each first transmission belt is obliquely arranged, and feeding teeth are arranged on the surfaces of the first transmission belts.

2. The reducing, drawing and straightening all-in-one machine according to claim 1, wherein the height of the right side of the reducing, drawing and transferring rack is lower than the height of the left side of the reducing, drawing and transferring rack.

3. The reducing, drawing and straightening all-in-one machine according to claim 1 or 2, wherein the left side of the raw material rack is higher than the right side of the raw material rack, a raw material limiting part is arranged on the right side of the raw material rack, the top surface of the raw material limiting part extends towards the reducing mechanism in an inclined manner, a raw material lifter and a raw material top block are further arranged on the right side of the raw material rack, the raw material lifter is installed on the raw material rack, and the raw material top block is installed at the output end of the raw material lifter.

4. The reducing, drawing and straightening all-in-one machine according to claim 1 or 2, wherein the reducing mechanism comprises a reducing rack, a reducing roller, a reducing lifter and a reducing assembly; the head-reducing rolling wheels are arranged on the head-reducing material rack at intervals, the head-reducing lifters are arranged between the head-reducing rolling wheels, and the head-reducing assembly is installed at one end of the head-reducing material rack.

5. The heading, drawing and straightening all-in-one machine according to claim 4, wherein the heading assembly comprises a heading sliding seat and a heading die; the head-shrinking sliding seat is arranged on the head-shrinking material frame in a sliding mode, a clamping piece is arranged on the head-shrinking sliding seat, and the head-shrinking die is installed at one end of the head-shrinking material frame.

6. The reducing, drawing and straightening all-in-one machine according to claim 1 or 2, characterized in that the drawing mechanism comprises a material rotating component, a core pulling component and a drawing component, wherein the material rotating component is installed above the drawing component, and the core pulling component is installed at one end of the drawing component.

7. The reducing, drawing and straightening all-in-one machine according to claim 6, wherein the material transferring assembly comprises a material transferring frame, a material transferring part and a material pushing part, the material transferring frame is installed on the drawing assembly, each first driven wheel is installed on the material transferring frame, the material transferring part is installed on the material transferring frame, and the material pushing part is installed at one end, back to the core pulling assembly, of the material transferring part.

8. The machine integrating narrowing, drawing and straightening according to claim 6, characterized in that the core pulling assembly comprises a core pulling frame, a core pulling pipe fitting and a core pulling lifter; the core pulling frame is installed at one end of the drawing assembly, the core pulling pipe fitting is rotatably connected with the first end of the core pulling frame, and the core pulling lifter is located at the second end of the core pulling frame and connected with the core pulling pipe fitting.

9. The reducing, drawing and straightening all-in-one machine according to claim 8, wherein the drawing assembly comprises a drawing frame, a drawing trolley, a drawing die and a drawing driving piece; the drawing die is fixedly arranged at one end, close to the core drawing frame, of the drawing frame, the drawing trolley is slidably arranged on the drawing frame, and the drawing driving piece drives the drawing trolley to reciprocate on the drawing frame.

10. The reducing drawing and straightening all-in-one machine according to claim 1 or 2, wherein the straightening mechanism comprises a straightening automatic feeding frame, a straightening machine and a straightening discharging frame which are sequentially arranged; the straightening automatic feeding frame is positioned on one side of the second feeding mechanism.

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