CN109482793B - Discharging clamp of thread rolling machine and workpiece selecting, cleaning and detecting chain - Google Patents

Discharging clamp of thread rolling machine and workpiece selecting, cleaning and detecting chain Download PDF

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Publication number
CN109482793B
CN109482793B CN201811561284.6A CN201811561284A CN109482793B CN 109482793 B CN109482793 B CN 109482793B CN 201811561284 A CN201811561284 A CN 201811561284A CN 109482793 B CN109482793 B CN 109482793B
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China
Prior art keywords
workpiece
clamp
blanking
thread rolling
movable
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CN201811561284.6A
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Chinese (zh)
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CN109482793A (en
Inventor
陈祥力
陈显国
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Wenzhou Screw Manufacturing Co ltd
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Wenzhou Screw Manufacturing Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H3/00—Making helical bodies or bodies having parts of helical shape
    • B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
    • B21H3/06—Making by means of profiled members other than rolls, e.g. reciprocating flat dies or jaws, moved longitudinally or curvilinearly with respect to each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/36—Sorting apparatus characterised by the means used for distribution
    • B07C5/361—Processing or control devices therefor, e.g. escort memory
    • B07C5/362—Separating or distributor mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/12—Brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H9/00—Feeding arrangements for rolling machines or apparatus manufacturing articles dealt with in this subclass
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Cleaning In General (AREA)

Abstract

The invention relates to a blanking clamp of a thread rolling machine and a workpiece selecting, cleaning and detecting chain, which comprises a sliding plate, wherein the sliding plate is arranged on a bed body and is linked with a sliding thread rolling plate, a bridge is arranged on the sliding plate, a movable clamp capable of being elastically opened and closed is arranged at the inner side end of the bridge connected with the sliding plate, and a fixed clamp is arranged at the outer side end of the bridge; a workpiece slideway is arranged between the movable clamp and the fixed clamp, the clamp heads of the fixed clamp and the movable clamp are acute angles, and the sharp ends of the acute angles of the movable clamp are provided with protrusions on one side of the workpiece slideway. According to the invention, the clamp capable of moving back and forth is adopted at the front end of the cleaning detection chain, so that workpieces are rapidly clamped from the outlet of the thread rolling station to be arranged, rebound is prevented, the workpieces can smoothly enter the blanking groove, and the blocking phenomenon is effectively avoided. According to the invention, the double-cylinder friction cleaning mechanism is arranged on the transportation chain after thread rolling, so that the detection of removing oil dirt is more accurate. And selectors are arranged at the tail part of the clamp and behind the detector to remove unqualified products, so that the quality of the workpiece is ensured.

Description

Discharging clamp of thread rolling machine and workpiece selecting, cleaning and detecting chain
Technical Field
The invention relates to a blanking clamp of a thread rolling machine and a workpiece selecting, cleaning and detecting chain, which are mechanical devices, are devices used on a metal processing machine tool, and are devices applied to selecting, cleaning and detecting workpieces after thread rolling.
Background
The blanking of the traditional thread rolling machine is usually realized by adopting a free blanking mode, namely, the workpieces directly fall into a blanking box after finishing thread rolling, are randomly and randomly stacked, and are completely irregular in the blanking box. The traditional blanking mode has two outstanding problems, one is that workpieces can collide when falling down to damage the surfaces of the workpieces, and the other is that the workpieces are messy to stack and inconvenient to arrange and package. With the progress of society, people have increasingly high requirements on bolts and screw precision, and buyers want to receive products with high quality when selling commodities, rather than tolerating one or two of the screws or the screw residues and inferior products as in the past. For this reason, after modern thread rolling, inspection is usually performed to remove unqualified workpieces. In order to improve the detection accuracy, the workpiece is generally cleaned before detection, oil stains and impurities on the workpiece are removed, and oiling and packaging are facilitated.
Therefore, after the thread rolling processing, the traditional mode is that the workpieces scattered in the blanking box are directly put into a cleaning box for cleaning, the workpieces are still kept in a scattered state, then the workpieces are rearranged in order through a conveying machine, and then conveyed into a detecting instrument for detection through a conveying chain. In the thread rolling process, oil is usually sprayed to the workpiece to reduce the processing force, and the cutting in the thread rolling process is mixed in the cutting oil to be greasy on the surface of the workpiece. The traditional cleaning uses thin oil to dissolve cutting oil with larger viscosity, and the processing is cleaned by ultrasonic wave and other modes. The disadvantage of this cleaning method is that the dirt at the bottom of the thread groove is difficult to clean, which often affects the accuracy of the photoelectric detection.
In order to realize that the workpieces are still arranged after being twisted, a blanking device for arranging the workpieces during blanking of the thread rolling machine is provided in China patent 'blanking device of the thread rolling machine' (patent number: ZL201520608257.5, authorized bulletin date: 2015, 12 and 16), so that the workpieces can be directly sent into cleaning and detecting equipment without arranging a material conveying facility for arranging the workpieces. Although the device solves the problem of arrangement of workpieces after thread rolling, as the blanking action of the thread rolling machine is extremely fast, the workpieces have large impulse after coming out of a thread rolling station, and often collide with a falling chute and rebound to cause blockage, so that blanking fails. A smooth blanking mechanism is therefore required.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a blanking clamp of a thread rolling machine and a workpiece selecting, cleaning and detecting chain. The front end of the detection chain clamps the workpieces from the tail end of the thread rolling station through the clamp capable of moving back and forth rapidly, the blocking phenomenon of workpiece blanking is effectively avoided, the blanked workpieces can be arranged in sequence, each workpiece is cleaned through the rotary cylinder and then detected, and high-quality machining is achieved.
The purpose of the invention is realized in the following way: the blanking clamp of the thread rolling machine comprises a sliding plate which is arranged on a bed body and is linked with a sliding thread rolling plate, a gap bridge is arranged on the sliding plate, a movable clamp capable of being elastically opened and closed is arranged at the inner side end of the gap bridge, and a fixed clamp is arranged at the outer side end of the gap bridge; the workpiece slide way is arranged between the movable clamp and the fixed clamp, the clamp heads of the fixed clamp and the movable clamp are acute angles, and the sharp angle clamp head tip of the movable clamp is provided with a protrusion on one side of the workpiece slide way.
Furthermore, the gap bridge is provided with a workpiece slideway width adjusting facility.
A workpiece selecting and cleaning detection chain using the blanking clamp is characterized in that the rear end of the blanking clamp is connected with a blanking groove, a primary selector and a roller brush cleaner are sequentially arranged on two sides of the blanking groove, the blanking groove is connected with a detection conveying piece, and a computer visual angle detector and a secondary selector are arranged on the detection conveying piece.
Further, the primary selector comprises a section of movable chute arranged between the blanking clamp and the blanking chute, and the movable chute is connected with a pushing facility capable of pushing the movable chute away from the position of the workpiece chute.
Further, the pushing device is one of an electromagnet, a hydraulic cylinder and a pneumatic cylinder.
Further, a waste chute or a waste box is arranged below the movable chute.
Further, the roller brush cleaner comprises at least one pair of brush barrels which are arranged on two sides of the blanking chute in pairs, and the brush barrels are driven to rotate by power.
Further, the other side of the brush cylinder, which is opposite to the side contacted with the workpiece, is provided with an extrusion oil plate.
Further, the detection conveying piece is one of a turntable, a linear guide rail and an annular guide rail.
Further, the detection conveying member is provided with a feeding hole and at least two discharging holes, and the discharging holes are provided with a linkage mechanism connected with the computer visual angle detector to form the secondary selection mechanism.
The invention has the beneficial effects that: according to the invention, the clamp capable of moving back and forth is adopted at the front end of the cleaning detection chain, so that workpieces are rapidly clamped from the outlet of the thread rolling station to be arranged, rebound is prevented, the workpieces can smoothly enter the blanking groove, and the blocking phenomenon is effectively avoided. According to the invention, the double-cylinder friction cleaning mechanism is arranged on the transportation chain after thread rolling, each workpiece is brushed by utilizing the paired brushes, and the detection of removing oil dirt is more accurate. And the tail part of the clamp and the rear part of the detector are provided with selectors, and when unqualified products are found, the unqualified products are removed, so that the quality of the workpiece is ensured.
Drawings
The invention is further described below with reference to the drawings and examples.
FIG. 1 is a schematic view of a blanking clamp according to an embodiment of the present invention in a state where a workpiece is to be entered;
FIG. 2 is a schematic view of a blanking clamp in a state that a workpiece is punched out of a protrusion according to an embodiment of the present invention;
FIG. 3 is a schematic view of a blanking clamp according to an embodiment of the present invention in a state that a workpiece has entered;
fig. 4 is a schematic diagram of a bridge structure according to a second embodiment of the present invention, and is a cross-sectional view in a direction G in fig. 1;
FIG. 5 is a schematic diagram of a workpiece pick-and-wash test chain according to a third embodiment of the invention;
fig. 6 is a schematic view of a drum brush cleaner according to a seventh embodiment of the present invention, which is a view in the H direction of fig. 5.
Detailed Description
Embodiment one:
The embodiment is a blanking clamp of a thread rolling machine, as shown in figures 1,2 and 3. The device comprises a sliding plate 2 which is arranged on a lathe bed and is in linkage with a sliding thread rolling plate 1, wherein a gap bridge 3 is arranged on the sliding plate, a movable clamp 4 which can be elastically opened and closed is arranged at the inner side end of the gap bridge connected with the sliding plate, and a fixed clamp 5 is arranged at the outer side end of the gap bridge; the workpiece slideway is formed between the movable clamp and the fixed clamp, the clamp heads of the fixed clamp and the movable clamp are acute angles, and a protrusion 401 is arranged at one side of the workpiece slideway at the tip end of the acute angle clamp head of the movable clamp. Figures 1,2 and 3 show the protrusion of the workpiece at the exit of the thread rolling station and the punching of the movable jaw head, respectively, and the three instants at which the protrusion hooks the exit of the discharge station and enters the workpiece for sliding.
The object of this embodiment is to quickly bring the workpiece thrown out of the thread rolling station away from the workpiece outlet, which is the position where the workpiece is separated from the sliding thread rolling plate and the fixed thread rolling plate 101.
The clamp according to this embodiment can be opened and closed elastically, and the working process is implemented by mounting the clamp on a slide plate as shown in fig. 1, mounting a spring on the movable clamp to enable the movable clamp to rotate around the rotation shaft 402 (as shown by arrow C in fig. 2), and maintaining the state parallel to the fixed clamp when no workpiece passes through, as shown in fig. 1. When the sliding screw plate moves in the direction of arrow A in FIG. 1 to drive the workpiece 6 to reach the discharging position, the sliding plate also moves in the direction of arrow B in FIG. 1, so that the head of the clamp reaches the workpiece discharging position, as shown in FIG. 1.
The workpiece is separated from the thread rolling plate, but the kinetic energy of the movement in the thread rolling process exists, so that the workpiece can be pushed forward and towards the head of the clamp, and the workpiece enters a workpiece slideway under the guiding action of the fixed clamp. The guiding function of the fixed clamp is also important. The blanking chute comprises a clamp and a thread rolling plate, so that a workpiece can be punched out of the thread rolling station and rotated by a small angle, and the workpiece can enter the clamp to fully utilize the kinetic energy of workpiece punching, and therefore, the acute angle of the head part of the fixed clamp is generally smaller than 10 degrees.
Since the head of the movable jaw is provided with a protrusion, the protrusion makes the width of the entrance of the workpiece slide smaller than the diameter of the workpiece. And the shape of the protrusion is designed into a barb shape, namely, the protrusion is an acute angle right triangle. The hypotenuse of the acute triangle faces the direction of entry of the workpiece, and one of the cathetus faces the direction of exit of the workpiece (the other cathetus merges with the tip of the movable jaw). When the workpiece leaves the thread rolling station and meets the clamp, the workpiece firstly meets the protrusion, the workpiece moves along the inclined edge of the protrusion, the protrusion is extruded, the movable clamp is pushed away as a result of extrusion, and the movable clamp rotates around the rotating shaft (the arrow C direction in fig. 2), namely, the movable clamp is opened to enable the workpiece to enter the workpiece slideway, as shown in fig. 2.
After the workpiece is punched through the protrusion of the movable clamp head, the movable clamp rotates around the rotating shaft (in the direction of arrow F in FIG. 3), the workpiece enters the workpiece slideway, the protruding right-angle edge buckles the workpiece, at the moment, along with the return stroke of the sliding thread rolling plate (in the direction of arrow D in FIG. 3), the sliding plate also returns (in the direction of arrow E in FIG. 3), the sliding plate drives the clamp to return, the workpiece is also driven to return due to the fact that the protrusion buckles the workpiece, the sliding plate imparts the kinetic energy of the workpiece to return in the driving process, and when the return of the sliding plate is finished, the workpiece continues to move along the workpiece slideway along with the imparted kinetic energy into a workpiece blanking groove at the back.
If the blanking groove is simply arranged at the outlet of the thread rolling station, the kinetic energy of the workpiece which is withdrawn from the station after the workpiece passes through the thread rolling is insufficient to enable the workpiece to rapidly leave, and the workpiece is blocked at the inlet of the blanking groove. In order to enable the workpiece to rapidly leave the inlet of the blanking groove, the conventional mode is to arrange the blanking groove to be quite steep, so that the workpiece rapidly falls down, but the blanking groove is too steep to enable the workpiece to roll over easily, and the workpiece cannot enter the blanking groove correctly. According to the embodiment, the workpiece leaving the thread rolling station is buckled and rapidly carried away by the protrusions of the tips of the movable clamp jaws, kinetic energy is given to the workpiece in the carrying away process, the workpiece can smoothly enter the blanking groove, no blocking exists, and no blocking phenomenon exists even in the thread rolling process at the speed of up to 2-3 times per second.
The size of the clamp is related to the size of the workpiece, but in a certain size range, the clamp can adapt to the workpiece in a certain range by adjusting the width of the workpiece slideway, so that the aim can be fulfilled by adjusting the distance between the fixed clamp and the movable clamp. Because the rotating shaft of the movable clamp is fixed on the sliding plate, and the fixed clamp is connected to the sliding plate through the bridge, the distance between the fixed clamp and the sliding plate can be adjusted through the bridge.
Embodiment two:
This embodiment is a modification of the first embodiment, and is a refinement of the first embodiment with respect to the bridge. The bridge in this embodiment is provided with a workpiece slideway width adjusting device.
The bridge is actually a portal frame to bypass the head of the workpiece, so that the two rails can keep stable positions, the workpiece slideway width adjusting device can be arranged on an upper beam of the portal frame, one of the two L-shaped plates 301 and 302 is provided with a long hole, the middle of the L-shaped plate 301 is connected with a bolt 303 in fig. 4, and the long hole is formed in one L-shaped plate 301. Or the structure is arranged at the connection part of the door-shaped frame and the sliding plate, and the structure can also be realized by adopting a mode of matching the long holes with bolts.
Embodiment III:
the embodiment is a workpiece selecting, cleaning and detecting chain using the blanking clamp in the above embodiment, the rear end of the blanking clamp is connected with a blanking groove, two sides of the blanking groove are sequentially provided with a primary selector 8 and a roller brush cleaner 9, the blanking groove is connected with a detecting and conveying member 10, and the detecting and conveying member is provided with a computer visual angle detector 11 and a secondary selector 12, as shown in fig. 5.
According to the embodiment, workpieces subjected to thread rolling and blanking are orderly arranged based on falling clamps, firstly, abnormal workpieces in the thread rolling process are removed through the primary selector, after the workpieces are cleaned through the roller brush, threads of the workpieces are detected by the computer visual angle detector, and qualified workpieces are output through the secondary selector.
The blanking groove can use two guide rails to be placed on two sides of a workpiece, the head of the workpiece is hung on the guide rails on two sides to slide, as shown in fig. 5, the thread rolling station is inclined downwards, the plane of the guide rails can be in the same plane with the thread rolling station, and the guide rails can deviate downwards by an angle, so that the workpiece slides downwards more fully by utilizing gravity.
The primary selector can be used for opening the movable guide rail in a mode of the movable guide rail when abnormal workpieces are machined, so that the abnormal workpieces cannot continuously move along the blanking groove, and can directly fall into the waste bin or be conveyed into the waste bin through the waste chute.
The roller brush cleaner adopts two brush drums which are arranged in pairs. The brush cylinder is cylindrical, the outer circumferential surface of the brush cylinder is in contact with the threaded part of the workpiece, and the brush cylinder is driven by external power to rotate so as to clean the threaded surface. The roller brush can be provided with a plurality of pairs and different brushes are used for removing the oil dirt on the workpiece.
The detection conveying piece is a conveying device with power, and the workpiece can move along with the detection conveying piece after entering the detection conveying piece. The detection conveying member may be a disc-shaped or a circular rail or a linear rail. The workpiece is optically inspected by a computer vision detector during the inspection of the workpiece running on the conveyor to determine whether the workpiece is acceptable in terms of threads, and if acceptable, classifying the workpiece in a subsequent secondary selection into acceptable products, and if unacceptable, classifying the workpiece in unacceptable products.
Embodiment four:
This embodiment is a modification of the above embodiment, and is a refinement of the above embodiment with respect to the primary selector. The primary selector in this embodiment includes a section of movable chute that sets up between unloading clamp and unloading spout, movable chute be connected with the promotion facility that can push away the work piece slide position with movable chute.
The movable chute in this embodiment is a section of guide rail capable of sliding a workpiece, one section of guide rail is connected with a clamp, and the other end of the guide rail is connected with the blanking chute. When the movable chute is at a normal position, the workpiece can smoothly fall into the movable chute from the clamp, slide in the movable chute for a certain distance and then smoothly fall into the blanking chute. When the pressure sensor sends an abnormal signal in the thread rolling process (namely, when the thread rolling process of the workpiece is abnormal), the movable chute is separated from the normal position, so that the workpiece which is abnormal in machining cannot smoothly enter the blanking chute, and the function of selecting the workpiece is achieved.
The movable chute can be lifted or tilted or can be moved to one side when being separated from the normal position, so long as a workpiece cannot enter the blanking chute.
The mechanism (facility) driving the movable chute to move can be an electromagnet or a hydraulic cylinder, a pneumatic cylinder or a crank rocker mechanism driven by a motor, and the like.
Fifth embodiment:
The present embodiment is a modification of the fourth embodiment, and is a refinement of the fourth embodiment with respect to the pushing facility. The pushing device in this embodiment is one of an electromagnet, a hydraulic cylinder, and a pneumatic cylinder.
The motion of the movable guide rail can be very large or very small. For example, a slight lifting of one of the two rails allows the workpiece to drop from the rail, which may be accomplished using an electromagnet. For some large-size workpieces, the guide rail needs to move integrally to enable the workpieces to fall smoothly, and the workpieces need to be pushed by a pneumatic cylinder or a hydraulic cylinder.
Example six:
This embodiment is a modification of the above embodiment, and is a refinement of the above embodiment with respect to the movable chute. A waste chute or a waste bin is arranged below the movable chute in the embodiment.
The waste guide rail is arranged below the movable chute to form a double-layer guide rail. In some cases, other equipment of the thread rolling machine is arranged below the movable guide rail, so that the waste workpieces cannot fall directly from the clamp, and a section of guide rail is required to convey the waste workpieces into a waste bin. Of course, how space is abundant, it is of course possible to provide a waste bin under the clamp to simplify the system.
Embodiment seven:
This embodiment is a modification of the above embodiment, and is a refinement of the above embodiment with respect to the drum brush cleaner. The roller brush cleaner according to the present embodiment includes at least one pair of brush barrels 901 disposed at both sides of the discharging chute in pairs, and the brush barrels are driven to rotate by power as shown in fig. 6.
The brush is arranged on the outer circumference of the brush cylinder, the roller is driven by power to rotate in opposite directions, the workpiece slides between the two brush cylinders under the action of gravity, and the workpiece can also rotate under the combined action of the movement of the workpiece and the rotation of the brush cylinders, so that the whole outer circumference of the workpiece can be cleaned.
The brush may be a wire brush, or may be a soft product such as a textile such as fluff fiber or a cotton product.
Example eight:
this embodiment is a modification of the above embodiment, and is a refinement of the above embodiment with respect to the brush vessel. The brush pot in this embodiment is provided with a squeeze plate 902 on the opposite side of the brush pot to the side contacting the workpiece, as shown.
Because the workpiece needs to be sprayed with oil in the thread rolling process to reduce the processing force, the workpiece can carry a large amount of oil after the thread rolling, if a metal wire brush is used, the metal wire cannot usually carry away much oil, and if a plush brush is used, the oil can be absorbed by the plush brush, but the capacity of the plush brush for absorbing the oil is limited, so that a facility is arranged for discharging the oil in the plush brush. In the embodiment, the extrusion oil plate is adopted, and a plate with the size equivalent to the longitudinal section of the hairbrush barrel is arranged on one side of the hairbrush to extrude the hairbrush so as to release the absorbed oil.
The extrusion oil plate can be made of various materials such as metal, plastic, fiber board and the like.
Example nine:
this embodiment is a modification of the above embodiment, and is a refinement of the above embodiment with respect to the detection conveying member. The detection conveying member in this embodiment is one of a turntable, a linear guide rail, and a circular guide rail.
The detection conveying member is a member which moves under the drive of external power. The workpiece moves with the inspection conveyor after the workpiece enters the inspection conveyor. The workpiece is driven by the detection conveying piece to detect threads through the computer visual angle detector, and then the workpiece is separated into qualified products and unqualified products according to the detection result through secondary selection.
The detection conveying piece can be a disc, a plurality of notches which can only contain one workpiece are formed in the outer edge of the disc, the workpiece can rotate along with the disc after entering the notches, and after detection of the computer visual angle detector, the qualified workpiece and the unqualified workpiece can be separated through opening and closing of the selection mechanism.
The detection conveying part can also be a circulating crawler belt, and the workpiece moves under the drive of the crawler belt, so that the qualified products and the unqualified products are separated through detection and selection.
The crawler belt can also be annular, and the annular guide rail is shaped so as to reduce the occupied space.
Example ten:
This embodiment is a modification of the above embodiment, and is a refinement of the above embodiment with respect to the secondary rotation mechanism. The detection conveying member of the embodiment is provided with a feeding hole and at least two discharging holes, and the discharging holes are provided with a linkage mechanism connected with a computer visual angle detector to form the secondary selection mechanism.
The secondary selection mechanism can be realized in a plurality of modes according to different forms of detection conveying pieces, such as switching type, rail changing type and the like, and can simply and effectively separate the workpieces.
Finally, it should be noted that the above is only intended to illustrate the technical solution of the present invention, and not to limit the same, although the present invention has been described in detail with reference to the preferred arrangement, it will be understood by those skilled in the art that modifications and equivalent substitutions can be made to the technical solution of the present invention (such as the form of the thread rolling machine, the use of various movement mechanisms, the order of installation of various mechanisms, etc.), without departing from the spirit and scope of the technical solution of the present invention.

Claims (6)

1. The workpiece selecting, cleaning and detecting chain of the thread rolling machine is characterized by comprising a blanking clamp which can move back and forth rapidly and clamp the workpieces out of a thread rolling station outlet rapidly to arrange the workpieces: the rear end of the blanking clamp is connected with a blanking chute, a primary selector and a roller brush cleaner are sequentially arranged on two sides of the blanking chute, the blanking chute is connected with a detection conveying piece, and a computer visual angle detector and a secondary selector are arranged on the detection conveying piece; the primary selector is used for removing the abnormal workpiece in the thread rolling process, the computer visual angle detector is used for detecting the thread of the workpiece, and the qualified workpiece is output through the secondary selector;
The blanking clamp comprises a sliding plate which is arranged on the lathe bed and is linked with the sliding thread rolling plate, a gap bridge is arranged on the sliding plate, a movable clamp is arranged at the inner side end of the gap bridge, which is connected with the sliding plate, the movable clamp is provided with a spring, so that the movable clamp can rotate around a rotating shaft to realize elastic opening and closing, and a fixed clamp is arranged at the outer side end of the gap bridge; a workpiece slideway is arranged between the movable clamp and the fixed clamp, the clamp heads of the fixed clamp and the movable clamp are acute angles, a protrusion is arranged at one side of the workpiece slideway at the tip of the acute angle clamp head of the movable clamp, the width of an inlet of the workpiece slideway is smaller than the diameter of a workpiece by the protrusion, the protrusion is in a barb shape, namely, the protrusion is an acute angle right triangle, the bevel edge of the acute angle right triangle faces the entering direction of the workpiece, and the right angle edge faces the leaving direction of the workpiece; the primary selector comprises a section of movable chute arranged between the blanking clamp and the blanking chute, the movable chute is connected with a pushing facility capable of pushing the movable chute away from the workpiece chute, and a waste chute or a waste box is arranged below the movable chute; the gap bridge is provided with a workpiece slideway width adjusting facility.
2. The workpiece picking, cleaning and detecting chain according to claim 1, wherein the pushing device is one of an electromagnet, a hydraulic cylinder and a pneumatic cylinder.
3. The workpiece selecting and cleaning detecting chain according to claim 2, wherein the roller brush cleaner comprises at least one pair of brush drums arranged on two sides of the blanking chute in pairs, and the brush drums are driven to rotate by power.
4. A workpiece picking, cleaning and detecting chain according to claim 3, wherein the other side of the brush barrel opposite to the side contacted with the workpiece is provided with a squeezing oil plate.
5. The workpiece picking, cleaning and inspection chain of claim 4, wherein the inspection conveyor is one of a turntable, a linear rail, and a circular rail.
6. The workpiece selecting, cleaning and detecting chain according to claim 5, wherein the detecting and conveying member is provided with a feed inlet and at least two discharge outlets, and the discharge outlets are provided with a linkage mechanism connected with a computer visual angle detector to form the secondary selector.
CN201811561284.6A 2018-12-20 2018-12-20 Discharging clamp of thread rolling machine and workpiece selecting, cleaning and detecting chain Active CN109482793B (en)

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CN115072388B (en) * 2022-07-25 2023-12-29 宁波永诚五金机械有限公司 Thread rolling device

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