CN217749164U - Automatic feeding and discharging device of thread rolling machine - Google Patents

Abstract

The utility model relates to an automatic unloader that goes up of thread rolling machine, including the stick that is used for realizing the single ejection of compact of raw materials pole row material mechanism, be used for carrying the single ejection of compact of arranging material mechanism to raw materials size detection mechanism's fortune material arm, be used for carrying out length and tip taper hole degree of depth detection's raw materials size detection mechanism, be used for carrying out the product size detection that length detected and the mechanism of blowing to the thread rolling product to and go up the unloading arm. Compared with the prior art, the utility model discloses can realize the automatic unloading of going up of thread rolling machine to detect raw materials and product length and taper hole degree of depth through contact displacement sensor, sort through six robots according to the testing result, show and reduce the time cost, promote production efficiency, reduce the human cost and reduce the top of the hand degree of difficulty, and strengthened the security.

Description

Automatic feeding and discharging device of thread rolling machine

Technical Field

The utility model belongs to the technical field of the thread rolling processing, a unloader in thread rolling machine automation is related to.

Background

At present, shaft products in the automobile industry are widely developed, so that the application of blanking machines is more and more mature and popularized. The thread rolling machine is a multifunctional cold extrusion forming machine tool, and performs cold rolling treatment on a workpiece such as threads, straight lines, twill lines and the like within the range of rolling force; rolling straight teeth, helical teeth and helical spline gears; straightening, reducing, roll finishing and various forming and rolling are one of the main processing devices of shaft products in the automobile industry. In the actual production process, the size of the raw material rod does not reach the standard, or the raw material rod is abraded in the thread rolling process, so that the obtained thread rolling size cannot meet the assembly requirement of a downstream automobile easily. The conventional method is manual one-to-one calibration, but this will result in a great reduction in production efficiency, a significant increase in labor cost, and a serious reduction in enterprise productivity.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic unloader that goes up of thread rolling machine.

The purpose of the utility model can be realized through the following technical scheme:

an automatic loading and unloading device of a thread rolling machine is used for being matched with the thread rolling machine to process a raw material rod into a thread rolling product, the raw material rod comprises a support end, a spline outer convex part, a thin polished rod neck part and a thread rolling processing outer convex part which are sequentially connected along the axial direction, a front taper hole is formed in the end face of the support end, and a rear taper hole is formed in the end face of the thread rolling processing outer convex part;

the automatic loading and unloading device of the thread rolling machine comprises

The single discharging mechanism is used for realizing single discharging of the raw material rods and comprises a feeding bin for storing a plurality of raw material rods, a material conveying conveyor belt obliquely arranged in the feeding bin, a servo driving motor in transmission connection with the material conveying conveyor belt, a discharging baffle plate arranged above the lower end of the material conveying conveyor belt in a lifting mode, and a single material positioning groove arranged outside the lower end of the material conveying conveyor belt and matched with the raw material rods; a plurality of supporting teeth are arranged on the material conveying conveyor belt in parallel, the supporting teeth extend along the width direction of the material conveying conveyor belt, and the raw material rods are horizontally placed on 2 adjacent supporting teeth;

the material conveying mechanical arm is used for conveying the single discharge materials of the single discharge mechanism to the raw material size detection mechanism;

the raw material size detection mechanism is used for detecting the length and the depth of the end taper hole of the raw material rod;

the product size detection and blowing mechanism is used for detecting the length of the thread rolling product;

and the feeding and discharging mechanical arm is used for conveying the raw material rods with qualified length and end taper hole depth detection to the thread rolling machine, conveying the thread rolling products to the product size detection and blowing mechanism, and conveying the thread rolling products with qualified length detection to the material receiving mechanism.

The single-piece discharging mechanism further comprises a single-piece feeding assembly arranged between the single-piece positioning groove and the lower end of the conveying conveyor belt, wherein the single-piece feeding assembly comprises a feeding table, a feeding inclined plane arranged at the top end of the feeding table and with the lower edge connected with the single-piece positioning groove, a blanking groove arranged between the feeding table and the lower end of the conveying conveyor belt, and a lifting table arranged in the blanking groove in a lifting manner;

the width of the blanking groove is matched with the radial width of the raw material rod; the material lifting platform is characterized in that a material limiting inclined plane matched with the feeding inclined plane is arranged at the top end of the material lifting platform, so that the raw material rod is limited between the material limiting inclined plane and the side wall of the feeding platform in the lifting process of the material lifting platform, and the lower edge of the material limiting inclined plane is connected with the upper edge of the feeding inclined plane after the material lifting platform is lifted to the top end.

Furthermore, openings are formed in the single material positioning groove along the two axial ends of the raw material rod;

the device also comprises a raw material rod swinging direction screening mechanism, wherein the raw material rod swinging direction screening mechanism comprises a laser sensor, a material pushing cylinder arranged at an opening at one end of the single material positioning groove, and a material returning collecting tank arranged at an opening at the other end of the single material positioning groove;

the laser sensor points to the position in the single material positioning groove corresponding to the neck of the thin polished rod on the material rod discharging in the positive direction.

Furthermore, the device also comprises a taper hole blowing mechanism arranged between the single-piece discharging mechanism and the raw material size detection mechanism;

the taper hole blowing mechanism comprises a blowing box, a raw material rod abdicating hole arranged at the top of the blowing box and a blowing spray pipe arranged in the blowing box.

Further, the raw material size detection mechanism comprises a raw material detection positioning groove with an opening at the rear end, a raw material detection limiting plate arranged at the front end of the raw material detection positioning groove, a raw material length detection push pipe arranged at the opening at the rear end in an axial sliding manner along the raw material rod, a rear taper hole detection probe rod arranged in the raw material length detection push pipe and extending out of the front end, a detection abdicating hole formed in the raw material detection limiting plate, and a front taper hole detection probe rod capable of moving along the raw material rod axial direction and penetrating through the detection abdicating hole;

the raw material length detection push pipe, the front taper hole detection probe rod and the rear taper hole detection probe rod are respectively connected with corresponding displacement sensors.

Further, fortune material arm include the truss manipulator, locate the vertical telescopic cylinder on the truss manipulator expansion end, locate the clamping jaw cylinder on the vertical telescopic cylinder expansion end to and the clamping jaw of being connected with the clamping jaw cylinder transmission.

Furthermore, the feeding and discharging mechanical arm is a six-axis robot with double clamping jaws at the end part.

Further, product size detect and gas blowing mechanism include open-top's product detection groove, locate the product and detect inslot and one end open-ended product detection constant head tank, locate the product detection limiting plate of the product detection constant head tank other end, locate the product length detection push rod of tip opening part along thread rolling product endwise slip, the displacement sensor who is connected with product length detection push rod to and locate the oil blowing mouth and the oil mist collector of product detection inslot.

Further, the device include 2 product size detection and the mechanism of blowing that sets up side by side to and locate 2 product and detect the apron displacement guide rail of groove one side, remove the displacement seat of locating on the apron displacement guide rail, and locate on the displacement seat and with the product and detect the oil blow storehouse apron of groove open-top looks adaptation.

Furthermore, the receiving mechanism comprises a finished product conveyor belt and a defective product conveyor belt which are arranged in parallel.

Compared with the prior art, the utility model has the characteristics of it is following:

1) The utility model discloses an adopt the toothed belt as raw materials pole ejection of compact conveyer belt, make the raw materials pole can keep flat on 2 adjacent supporting teeth, collocation servo drive motor realizes the marching type defeated material, combines the ejection of compact baffle that the lift set up simultaneously, controls only 1 raw materials pole of output at every turn to single material detection and processing after so; and based on the belt conveying mechanism, the product can be effectively prevented from being accumulated and blocked;

2) The utility model discloses a set up the taper hole mechanism of blowing 14 between the mechanism 4 of discharging of the stick and the mechanism 6 of detecting the size of raw materials, in order to avoid the iron fillings that remain when processing the taper hole to produce the influence on the detection distance and the iron fillings that probably exist on the raw and other materials to the influence of thread rolling quality, guarantee detection accuracy and thread rolling processingquality;

3) The utility model discloses can realize the automatic unloading of going up of thread rolling machine to detect raw materials and product length and taper hole degree of depth through contact displacement sensor, sort through six robots according to the testing result, show to have reduced the time cost, promoted production efficiency, reduced the human cost and reduced the top of the staff degree of difficulty, and strengthened the security.

Drawings

FIG. 1 is a schematic view of a raw material rod;

FIG. 2 is a schematic structural view of a thread rolling product;

FIG. 3 is a schematic view of an automatic loading and unloading device of a thread rolling machine according to an embodiment;

FIGS. 4 and 5 are schematic structural views of a single-piece discharging mechanism;

FIG. 6 is a schematic structural view of a single feed assembly;

FIG. 7 is a schematic structural view of a material handling robot;

FIG. 8 is a schematic structural view of a raw material size detecting mechanism;

FIG. 9 is an enlarged view of a portion of FIG. 8 at A;

FIG. 10 is a schematic structural view of a loading and unloading robot arm;

FIG. 11 is a schematic view of the structure of the product size detecting and blowing mechanism;

FIG. 12 is an enlarged partial view of FIG. 3 at B;

the notation in the figure is:

1-raw material rod:

101-support end, 102-spline external convex part, 103-thin polish rod neck part and 104-thread rolling processing external convex part;

2-thread rolling products; 3-a workbench;

4-single discharge mechanism:

401-a feeding bin, 402-a material conveying conveyor belt, 403-a servo drive motor, 404-a baffle lifting cylinder, 405-a wedge-shaped discharging baffle, 406-a single material positioning groove, 407-supporting teeth, 408-a feeding table, 409-a blanking groove, 410-a material lifting table, 411-a laser sensor, 412-a material pushing cylinder, 413-a material returning collecting tank and 414-a rear blowing spray pipe;

5-a material conveying mechanical arm:

501-truss manipulator, 502-vertical telescopic cylinder, 503-clamping jaw cylinder and 504-clamping jaw;

6-raw materials size detection mechanism:

601-raw material detection positioning groove, 602-raw material detection limiting plate, 603-raw material detection front mounting plate, 604-raw material detection rear mounting plate, 605-raw material length detection cylinder, 606-raw material rear detection plate, 607-raw material length detection push pipe, 608-rear taper hole detection probe rod, 609-front taper hole detection cylinder, 610-raw material front detection plate, 611-front taper hole detection probe rod;

7-product size detection and blowing mechanism:

701-a product detection groove, 702-a product detection positioning groove, 703-a product detection limiting plate, 704-a product detection mounting plate, 705-a product detection cylinder, 706-a product detection plate, 707-a product length detection push rod, 708-an oil blowing nozzle, 709-an oil blowing bin cover plate and 710-a displacement guide rail;

8-a feeding and discharging mechanical arm, 9-a finished product conveying belt, 10-a defective product conveying belt, 11-a moving track, 12-a moving frame, 13-an oil receiving disc and 14-a taper hole blowing mechanism.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Example (b):

an automatic loading and unloading device of a thread rolling machine is used for being matched with the thread rolling machine to process a raw material rod 1 into a thread rolling product 2. The raw material rod 1 is structurally shown in fig. 1, and comprises a support end 101, a spline outer convex part 102, a thin polished rod neck part 103 and a thread rolling processing outer convex part 104 which are sequentially connected along the axial direction, wherein a front taper hole is formed in the end surface of the support end 101, and a rear taper hole is formed in the end surface of the thread rolling processing outer convex part 104. The structure of the thread rolling product 2 is shown in figure 2.

This device is used for detecting length, the front and back end taper hole degree of depth of raw materials pole 1, retrieves unqualified product, and qualified product is sent into the thread rolling machine and is rolled thread processing to length to gained thread rolling product 2 detects, and through automated operation, improves work efficiency, reduces the human cost.

As shown in fig. 3, the automatic loading and unloading device of the thread rolling machine comprises a workbench 3, a single piece discharging mechanism 4 arranged on the workbench 3, a material conveying mechanical arm 5, a raw material size detection mechanism 6, a product size detection and blowing mechanism 7, a loading and unloading mechanical arm 8 and a material receiving mechanism.

As shown in fig. 4 and 5, the single discharging mechanism 4 includes a feeding bin 401 for storing a plurality of material rods 1, a material conveying belt 402 obliquely disposed in the feeding bin 401, a servo driving motor 403 in transmission connection with the material conveying belt 402, a baffle lifting cylinder 404 disposed above the lower end of the material conveying belt 402, a wedge-shaped discharging baffle 405 disposed at the output end of the baffle lifting cylinder 404, and a single material positioning slot 406 disposed outside the lower end of the material conveying belt 402 and adapted to the material rods 1.

Defeated material conveyer belt 402 is last to be equipped with a plurality of supporting teeth 407 side by side, every supporting tooth 407 extends along defeated material conveyer belt 402 width direction, raw material pole 1 is kept flat and is supported between adjacent 2 supporting teeth 407, and collocation servo drive motor 403, realize the defeated material of marching type, combine the ejection of compact baffle 405 that goes up and down to set up simultaneously, control lifting height at every turn only is a raw material pole 1 height, thereby realize the effect of single piece of ejection of compact, so that single material later detects and processes.

Specifically, the supporting teeth 407 are triangular prism-shaped teeth in this embodiment, and rectangular prism-shaped teeth may be used in other embodiments.

As shown in fig. 6, in order to ensure the single piece discharging effect, the present embodiment further includes a single piece feeding assembly disposed between the single piece positioning groove 406 and the lower end of the material conveying belt 402, and the single piece feeding assembly includes a feeding table 408, a feeding inclined plane disposed at the top end of the feeding table 408 and having a lower edge connected to the single piece positioning groove 406, a blanking slot 409 disposed between the feeding table 408 and the lower end of the material conveying belt 402, and a lifting table 410 disposed in the blanking slot 409 in a lifting manner. The width of the charging chute 409 is adapted to the radial width of the raw material rods 1 so that only a single raw material rod 1 can be accommodated in the chute. The top end of the material lifting table 410 is provided with a material limiting inclined plane matched with the material feeding inclined plane, so that in the lifting process of the material lifting table 410, the raw material rod 1 is clamped and limited between the material limiting inclined plane and the side wall of the material feeding table 408, when the material lifting table 410 is lifted to the top end, the lower edge of the material limiting inclined plane is connected with the upper edge of the material feeding inclined plane, and the raw material rod 1 slides into the single material positioning groove 406 along the two connected inclined planes.

In addition, as shown in fig. 5, a plurality of grooves are arranged in parallel on the feeding inclined surface to reduce the contact area between the feeding inclined surface and the raw material rod 1 and reduce the adhesion of products.

Because the front and back structures of the raw material rods 1 are asymmetrical, in order to avoid downstream processing errors, a raw material rod placing direction screening mechanism is further arranged at the single material positioning groove 406 and comprises a laser sensor 411 arranged on the workbench 3, a material pushing cylinder 412 arranged at an opening at one end of the single material positioning groove 406, and a material returning collecting groove 413 arranged at an opening at the other end of the single material positioning groove 406; a notch is formed in the side wall of the single material positioning groove 406, and a detection light beam emitted by the laser sensor 411 passes through the notch and points to the position, corresponding to the neck 103 of the fine polished rod on the raw material rod 1 which is discharged in the forward direction, in the single material positioning groove 406. When the discharging and placing direction of the raw material rod 1 is correct, the laser sensor 411 can detect a laser signal with a small reflection area reflected by the neck 103 of the thin polished rod; when the placing direction is wrong, the position corresponds to the thread rolling processing outer convex part 104, the reflection area is large, and at the moment, the material pushing cylinder 412 pushes the raw material rod 1 along the axial direction until the raw material rod falls into the material returning collecting groove 413, so that a worker can conveniently receive, pick and place materials again.

As shown in fig. 7, the material handling robot arm 5 includes a truss robot 501, a vertical telescopic cylinder 502 disposed at a movable end of the truss robot 501, a clamping jaw cylinder 503 disposed at a movable end of the vertical telescopic cylinder 502, and a clamping jaw 504 drivingly connected to the clamping jaw cylinder 503.

As shown in fig. 8 and 9, the raw material size detecting mechanism 6 includes a raw material detecting positioning slot 601 having an opening at a rear end and adapted to the raw material rod 1, a raw material detecting limiting plate 602 disposed at a front end of the raw material detecting positioning slot 601, a detecting abdicating hole disposed on the raw material detecting limiting plate 602 and adapted to a position of the front taper hole, a raw material detecting front mounting plate 603 and a raw material detecting rear mounting plate 604 arranged side by side one after another outside both ends of the raw material detecting positioning slot 601, a raw material length detecting cylinder 605 disposed on the raw material detecting rear mounting plate 604, a raw material rear detecting plate 606 disposed at a moving end of the raw material detecting cylinder 605, a raw material length detecting push tube 607 slidably disposed on the raw material detecting rear mounting plate 604 and having a front end fixed to the raw material rear detecting plate 606 and extending therefrom, a rear taper hole detecting probe rod 608 movably disposed in the raw material length detecting push tube 607 and extending therefrom and axially directed to the rear taper hole, a front taper hole detecting cylinder 609 disposed on the raw material detecting front mounting plate 603 and having a rear end fixed to the front taper hole detecting plate 611, and a front taper hole detecting sensor 608 disposed on the raw material detecting plate 603 and a front taper hole detecting mounting plate 603 and a front detecting probe rod and a front detecting displacement detecting sensor 604 connected to the raw material detecting plate 603 and the raw material detecting probe rod detecting plate 604.

In the detection process, firstly, the raw material length detection cylinder 605 pushes the raw material rear detection plate 606 until the raw material length detection push pipe 607 clamps the raw material rod 1 between the front end of the raw material length detection push pipe 607 and the raw material detection limiting plate 602, and at the moment, the detection end is connected with the raw material length detection push pipe 607 or a displacement sensor of the raw material length detection cylinder 605, so that the length of the raw material rod 1 can be calculated according to the displacement distance difference relative to a standard component; meanwhile, the deviation of the extending distance of the push pipe 607 relative to the standard part is detected according to the length of the rear taper hole detection probe 608 extending out of the raw material, and then the depth of the rear taper hole can be obtained; on the other hand, the front taper depth is calculated by detecting a deviation of the displacement distance of the front taper detection probe 611 or the extension distance of the front taper detection cylinder 609 with respect to the standard.

In order to avoid the influence of the residual iron filings on the detection distance and the influence of the iron filings possibly existing on the raw materials on the thread rolling quality during the processing of the taper hole, as shown in fig. 12, the embodiment further comprises a taper hole air blowing mechanism 14 arranged between the single-piece discharging mechanism 4 and the raw material size detection mechanism 6; the taper hole blowing mechanism 14 comprises a blowing box 1401, a raw material rod abdicating hole 1402 arranged at the top of the blowing box 1401, and a blowing nozzle arranged in the blowing box 1401 and used for blowing taper holes at two ends of the raw material rod 1 and the rod body.

In order to improve the detection automation degree, a material-free sensor is further arranged in the raw material detection positioning groove 601 and used for detecting whether the raw material rod is placed in place or not, so that the operation of the raw material length detection cylinder 605 and other devices can be automatically started or stopped. In this embodiment the material sensor is a proximity switch.

The structure of the feeding and discharging mechanical arm 8 is shown in fig. 10, the end part of the feeding and discharging mechanical arm is provided with double clamping jaws for feeding and discharging, the feeding clamping jaw is provided with a blowing device, the blowing device is not shown in the figure, and the blowing end of the blowing device points to the feeding clamping jaw, so that the situation that the oil stain on a part after thread rolling is too much and the oil stain splashes in the transmission process to cause too poor sanitary environment of a processing site is prevented. In other embodiments, a An Chuan six-axis robot with two clamping jaws at the ends can also be used.

As shown in fig. 1 and 11, the product size detecting and blowing mechanisms 7 are provided in 2 and arranged in parallel in tandem on the worktable 3. The product size detecting and blowing mechanism 7 at the back comprises a product detecting groove 701 with an open top, a product detecting positioning groove 702 with an open front end, a product detecting limiting plate 703 arranged at the front end of the product detecting positioning groove 702, a product detecting mounting plate 704 arranged at the back side of the product detecting groove 701, a product detecting cylinder 705 arranged on the product detecting mounting plate 704, a product detecting plate 706 arranged at the movable end of the product detecting cylinder 705, a displacement sensor arranged on the product detecting mounting plate 704 in a sliding manner, wherein the front end of the displacement sensor is fixed on the product detecting plate 706 and sequentially penetrates through the side walls of the product detecting plate 706 and the product detecting groove 701, a product length detecting push rod 707 pointing to the back end of the thread rolling product 2 along the axial direction, a detection end of the displacement sensor is connected with the product length detecting push rod 707, and an oil blowing nozzle 708 and an oil mist collector arranged in the product detecting groove 701.

The front product size detection and air blowing mechanism 7 and the rear product size detection and air blowing mechanism 7 are symmetrically arranged in front and rear, and 2 product detection grooves 701 are arranged in parallel.

Similar to the length detection mode in the raw material size detection mechanism 6, in operation, the product detection plate 706 is pushed by the product detection cylinder 705 until the thread rolling product 2 is clamped between the product length detection push rod 707 and the product detection limiting plate 703, and at this time, the axial length of the thread rolling product 2 can be calculated according to the displacement distance of the product length detection push rod 707. After the thread rolling product 2 is gripped, the thread rolling product 2 can be blown through the blow nozzle 708 and the oil mist is prevented from affecting the environment by the oil mist collector.

In order to further reduce the oil mist influence, the present embodiment further includes a cover plate displacement guide rail 710 disposed on one side of the 2 product detection grooves 701, a displacement seat movably disposed on the cover plate displacement guide rail 710, and an oil blow bin cover plate 709 disposed on the displacement seat and adapted to the top opening of the product detection groove 701; before oil blowing, the oil blowing bin cover plate 709 is moved to an opening at the top of the corresponding product detection groove 701, so that oil mist can be prevented from escaping; meanwhile, the staggered work of the 2 product size detection and blowing mechanisms 7 can be realized, and the working efficiency is improved.

As shown in fig. 1, the material receiving mechanism includes a finished product conveyor 9 and a defective product conveyor 10 arranged in parallel, and servo motors for driving the two conveyors, respectively.

In addition, this embodiment is still including locating removal track 11 on ground, the removal frame 12 on removal track 11 is located in the slip to and locate the food tray 13 that connects on the removal frame 12, workstation 3 locates on the removal frame 12 and is located and connects food tray 13 top, still is equipped with a plurality of oil leakages simultaneously on workstation 3, so that in time derive the sump oil, guarantee that workstation 3 is clean. In order to ensure the safety, a safety fence is arranged on the periphery of the device.

During the use, arrange a plurality of raw materials pole 1 in material loading feed bin 401, and pile up on defeated material conveyer belt 402, raw materials pole 1 that is located the bottom obtains supporting and separates one by one through adjacent 2 support teeth 407, servo drive motor 403 drives defeated material conveyer belt 402 marching type and carries, when discharge baffle 405 position, discharge baffle 405 shifts up to leaving a raw materials pole 1 through the height, cooperation marching type pay-off this moment, realize the ejection of compact of single raw materials pole 1, discharge baffle 405 later descends.

The single raw material rod 1 of ejection of compact falls into the lifting platform 410 in the charging chute 409 to be spacing between material limiting inclined plane and pay-off platform 408 lateral wall, later along with lifting platform 410 rises to material limiting inclined plane and is connected with the pay-off inclined plane, raw material rod 1 can be along two inclined planes that are connected the landing to in the single material constant head tank 406.

Then, the laser sensor 411 works, if the neck part 103 of the thin polished rod is detected, scrap iron in the tapered hole and on the rod body is removed through the tapered hole blowing mechanism by the material conveying mechanical arm 5, and then the scrap iron is conveyed to the raw material size detection mechanism 6; if not, the placement is wrong, and the material pushing cylinder 412 pushes the material into the material returning collecting tank 413 to place again.

The raw material rod 1 entering the raw material size detection mechanism 6 obtains the length of the raw material rod 1 through the displacement sensor in transmission connection with the raw material length detection push pipe 607 in the clamping process of the raw material detection limit plate 602 and the raw material length detection push pipe 607, obtains the length of the front taper hole through the displacement sensor in transmission connection with the front taper hole detection probe 611, and obtains the length of the rear taper hole through the displacement sensor in transmission connection with the rear taper hole detection probe 608.

The raw material rods 1 with unqualified size detection are conveyed to a defective product conveyor belt 10 through a feeding and discharging mechanical arm 8; qualified raw material pole 1 transports to the thread rolling machine through last unloading arm 8 and rolls the silk, gained thread rolling product rethread goes up unloading arm 8 and transports to product size detection and blowing mechanism 7, arrange in product detection constant head tank 702, in thread rolling product 2 is pressed from both sides tight process by product length detection push rod 707 and product detection limiting plate 703, calculate the axial length of thread rolling product 2, remove the displacement seat simultaneously and make the oil blowing storehouse apron 709 seal product detection groove 701, blow to thread rolling product 2 through blowing nozzle 708, and avoid the oil mist to influence the environment through the oil mist collector.

The rolled thread products 2 with unqualified size detection are conveyed to a defective product conveyor belt 10 through a feeding and discharging mechanical arm 8; and the qualified thread rolling products 2 are conveyed to a finished product conveying belt 9 through a feeding and discharging mechanical arm 8.

In other embodiments, the defective conveyer 10 and the finished conveyer 9 are respectively provided with corresponding detection sensors to count the number of finished products and defective products.

In addition, the bottom of the raw material detection positioning groove 601 and the bottom of the product detection groove 701 are fixed on a corresponding base or a corresponding bottom plate through butterfly bolts and positioning pins, so that the effect of quick replacement is achieved.

The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.

Claims (10)

1. An automatic loading and unloading device of a thread rolling machine is used for being matched with the thread rolling machine to process a raw material rod (1) into a thread rolling product (2), the raw material rod (1) comprises a supporting end (101), a spline outer convex part (102), a thin polished rod neck part (103) and a thread rolling processing outer convex part (104) which are sequentially connected along the axial direction, a front taper hole is formed in the end face of the supporting end (101), and a rear taper hole is formed in the end face of the thread rolling processing outer convex part (104); characterized in that the device comprises

The single discharging mechanism (4) is used for realizing single discharging of the raw material rods (1), and comprises a feeding bin (401) for storing a plurality of raw material rods (1), a material conveying conveyor belt (402) obliquely arranged in the feeding bin (401), a servo driving motor (403) in transmission connection with the material conveying conveyor belt (402), a discharging baffle plate (405) arranged above the lower end of the material conveying conveyor belt (402) in a lifting mode, and a single material positioning groove (406) arranged outside the lower end of the material conveying conveyor belt (402) and matched with the raw material rods (1); a plurality of supporting teeth (407) are arranged on the conveying conveyor belt (402) in parallel, the supporting teeth (407) extend along the width direction of the conveying conveyor belt (402), and the raw material rod (1) is flatly placed on 2 adjacent supporting teeth (407);

the material conveying mechanical arm (5) is used for conveying the single discharge materials of the single discharge mechanism (4) to the raw material size detection mechanism (6);

the raw material size detection mechanism (6) is used for detecting the length and the depth of the end taper hole of the raw material rod (1);

the product size detection and blowing mechanism (7) is used for detecting the length of the thread rolling product (2);

and the feeding and discharging mechanical arm (8) is used for conveying the raw material rods (1) with qualified length and end taper hole depth detection to the thread rolling machine, conveying the thread rolling products (2) to the product size detection and blowing mechanism (7), and conveying the thread rolling products (2) with qualified length detection to the material receiving mechanism.

2. The automatic loading and unloading device of the thread rolling machine according to claim 1, wherein the single discharging mechanism (4) further comprises a single feeding assembly arranged between the single positioning groove (406) and the lower end of the material conveying conveyor belt (402), the single feeding assembly comprises a feeding table (408), a feeding inclined plane arranged at the top end of the feeding table (408) and with the lower edge connected with the single positioning groove (406), a blanking groove (409) arranged between the feeding table (408) and the lower end of the material conveying conveyor belt (402), and a lifting table (410) arranged in the blanking groove (409) in a lifting manner;

the width of the charging chute (409) is matched with the radial width of the raw material rod (1); the top end of the material lifting platform (410) is provided with a material limiting inclined plane matched with the feeding inclined plane, so that in the lifting process of the material lifting platform (410), the raw material rod (1) is limited between the material limiting inclined plane and the side wall of the feeding platform (408), and after the material lifting platform (410) is lifted to the top end, the lower edge of the material limiting inclined plane is connected with the upper edge of the feeding inclined plane.

3. The automatic loading and unloading device of the thread rolling machine as claimed in claim 1, wherein the single material positioning groove (406) is provided with openings along two axial ends of the raw material rod (1);

the device also comprises a raw material rod swinging direction screening mechanism, wherein the raw material rod swinging direction screening mechanism comprises a laser sensor (411), a material pushing cylinder (412) arranged at an opening at one end of the single material positioning groove (406), and a material returning collecting groove (413) arranged at an opening at the other end of the single material positioning groove (406);

the laser sensor (411) points to the position, corresponding to the neck (103) of the thin polished rod on the raw material rod (1) discharging in the positive direction, in the single material positioning groove (406).

4. The automatic loading and unloading device of the thread rolling machine according to claim 3, characterized in that the device further comprises a taper hole blowing mechanism (14) arranged between the single piece discharging mechanism (4) and the raw material size detecting mechanism (6);

the taper hole blowing mechanism (14) comprises a blowing box (1401), a raw material rod abdicating hole (1402) arranged at the top of the blowing box (1401), and a blowing spray pipe arranged in the blowing box (1401).

5. The automatic loading and unloading device of the thread rolling machine according to claim 1, wherein the raw material size detection mechanism (6) comprises a raw material detection positioning groove (601) with an opening at the rear end, a raw material detection limiting plate (602) arranged at the front end of the raw material detection positioning groove (601), a raw material length detection push pipe (607) axially slidably arranged at the opening at the rear end along the raw material rod (1), a rear taper hole detection probe rod (608) arranged in the raw material length detection push pipe (607) and extending out of the front end, a detection abdicating hole arranged on the raw material detection limiting plate (602), and a front taper hole detection probe rod (611) capable of axially moving along the raw material rod (1) and passing through the detection abdicating hole;

the raw material length detection push pipe (607), the front taper hole detection probe rod (611) and the rear taper hole detection probe rod (608) are respectively connected with corresponding displacement sensors.

6. The automatic loading and unloading device of the thread rolling machine according to claim 1, wherein the material conveying mechanical arm (5) comprises a truss manipulator (501), a vertical telescopic cylinder (502) arranged at the movable end of the truss manipulator (501), a clamping jaw cylinder (503) arranged at the movable end of the vertical telescopic cylinder (502), and a clamping jaw (504) in transmission connection with the clamping jaw cylinder (503).

7. The automatic loading and unloading device of the thread rolling machine as claimed in claim 1, wherein the loading and unloading mechanical arm (8) is a six-axis robot with double clamping jaws at the end.

8. The automatic loading and unloading device of claim 1, wherein the product size detecting and blowing mechanism (7) comprises a product detecting groove (701) with an open top, a product detecting positioning groove (702) with an open end and arranged in the product detecting groove (701), a product detecting limiting plate (703) arranged at the other end of the product detecting positioning groove (702), a product length detecting push rod (707) axially sliding along the thread rolling product (2) and arranged at an end opening, a displacement sensor connected with the product length detecting push rod (707), and an oil blowing nozzle (708) and an oil mist collector arranged in the product detecting groove (701).

9. The automatic loading and unloading device of claim 8, wherein the device comprises 2 product size detecting and blowing mechanisms (7) arranged side by side, a cover plate displacement guide rail (710) arranged at one side of the 2 product detecting grooves (701), a displacement seat movably arranged on the cover plate displacement guide rail (710), and an oil blowing bin cover plate (709) arranged on the displacement seat and matched with the top opening of the product detecting groove (701).

10. The automatic loading and unloading device of the thread rolling machine according to claim 1, wherein the material receiving mechanism comprises a finished product conveyor belt (9) and a defective product conveyor belt (10) which are arranged in parallel.

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