CN115283606B - Precise forming die for inner hexagon composite specification screw and forming process thereof - Google Patents
Precise forming die for inner hexagon composite specification screw and forming process thereof Download PDFInfo
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- CN115283606B CN115283606B CN202210769009.3A CN202210769009A CN115283606B CN 115283606 B CN115283606 B CN 115283606B CN 202210769009 A CN202210769009 A CN 202210769009A CN 115283606 B CN115283606 B CN 115283606B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/44—Making machine elements bolts, studs, or the like
- B21K1/46—Making machine elements bolts, studs, or the like with heads
- B21K1/463—Making machine elements bolts, studs, or the like with heads with recessed heads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/44—Making machine elements bolts, studs, or the like
- B21K1/46—Making machine elements bolts, studs, or the like with heads
- B21K1/50—Trimming or shearing formed heads, e.g. working with dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B41/02—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for boring deep holes; Trepanning, e.g. of gun or rifle barrels
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- 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
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Abstract
The invention discloses an inner hexagon composite specification precision forming die and a forming process thereof, belonging to the technical field of inner hexagon composite specification forming, wherein the inner hexagon composite specification precision forming die comprises a fixed bottom plate, the top of the fixed bottom plate is provided with two first toothed chains which are arranged front and back, and the top of the fixed bottom plate is connected with a driving mechanism for driving the two first toothed chains to synchronously drive; according to the invention, in the process of machining the multi-specification inner hexagon of the screw head, the U-shaped fixing frame, the driving mechanism, the fastening mechanism, the plurality of groups of drills with different specifications and the inner hexagon forming head are mutually matched, and in the process of driving the screw to move leftwards by the U-shaped fixing frame, the multi-specification inner hexagon of the screw head is machined from top to bottom in sequence from the approximately small part, so that excessive participation of personnel is avoided, the machining efficiency is improved remarkably, and in addition, scraps are discharged in time in the machining process by matching with the chip removing mechanism, so that the influence of the scraps on machining is avoided.
Description
Technical Field
The invention relates to the technical field of forming of inner hexagonal composite specifications, in particular to a precise forming die for an inner hexagonal composite specification screw and a forming process thereof.
Background
The existing screw head inner hexagonal is single-specification, slipping, failure and the like can occur in the long-term use process, the use of the screw is affected, and based on the fact, the inner hexagonal with a plurality of specifications is provided on the screw head in the prior art, so that the inner hexagonal of the screw head can adapt to a plurality of different specifications, and the screw can be conveniently fastened or taken out for a long time.
However, the existing production of the inner hexagon of the screw head is mostly carried out manually and is clamped on a lathe one by one, then the inner hexagon of the screw head is processed, the processing is complicated, the processing time is long, in the prior art, a forming device for processing the inner hexagon of the screw head with a composite specification is lacked, if the existing processing method for processing the inner hexagon with one specification is still adopted, the processing speed is slower, the processing is more complicated, the processing in the prior art cannot be completely suitable for processing with a plurality of specifications, and scraps in the processing process with a plurality of specifications often cause adverse effects on the next specification, so that a forming die and forming equipment capable of processing the inner hexagon with a plurality of specifications of the screw head in a full-automatic, convenient and rapid manner are urgently needed.
Based on the above, the invention designs a precise forming die for the hexagon socket compound specification screw and a forming process thereof, so as to solve the problems.
Disclosure of Invention
The invention aims to provide a precision forming die for a screw with a compound specification of an inner hexagon and a forming process thereof, which are used for solving the problems that the prior art proposes that the production of the inner hexagon of the head of the screw is mainly carried out by manually holding the screw on a lathe one by one, then the inner hexagon of the head of the screw is processed, the processing is complicated, the processing time is long, in the prior art, a forming device for processing the inner hexagon of the head of the screw with the compound specification is lacked, if the prior processing method for processing the inner hexagon with one specification is still adopted, the processing speed is slower, the processing is more complicated, the processing in the prior art cannot be completely suitable for processing with a plurality of specifications, and scraps in the processing process of the plurality of specifications often have adverse effects on the next specification, so that the forming die and forming equipment capable of processing the inner hexagon of the head of the screw with a plurality of specifications can be fully-automatically, conveniently and rapidly demanded.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a precision forming die for an internal hexagonal compound specification screw, includes a fixed bottom plate, the fixed bottom plate top is provided with two first toothed chains that arrange around, fixed bottom plate top is connected with the actuating mechanism that is used for driving two first toothed chains synchronous drive, and two front and back are fixedly connected with jointly on the surface between the first toothed chains the U type mount that is linear array distribution along first toothed chain edge, every U type mount is inside all to be offered and is supplied the first logical groove that screw thread part passed, every U type mount inboard all is connected with the fastening mechanism who is used for pressing from both sides the fixed screw, fixed bottom plate top is provided with drill bit and the internal hexagonal forming head of a plurality of different specifications of a plurality of groups, and every group drill bit and internal hexagonal forming head comprise a drill bit and internal hexagonal forming head, and every group drill bit all is located the right side of internal hexagonal forming head, the drill bits and the inner hexagon-shaping heads are sequentially lowered from right to left, the bottom ends of the drill bits and the inner hexagon-shaping heads of each group are sequentially lowered from right to left, the drill bits and the inner hexagon-shaping heads are uniformly distributed at equal intervals with the U-shaped fixing frames, the drill bits and the inner hexagon-shaping heads are positioned right above the first through grooves, the top of the fixed bottom plate is connected with a power mechanism for driving the drill bits and the inner hexagon-shaping heads to process the screw heads, the bottom of the fixed bottom plate is provided with a chip removing mechanism for discharging scraps of the screw heads after the drill bits and the inner hexagon-shaping heads are processed, and the top of the fixed bottom plate is connected with a supporting mechanism for supporting the screw bottoms when the drill bits and the inner hexagon-shaping heads process the screw heads;
the power mechanism comprises a first supporting plate, wherein the first supporting plate is fixedly connected to the top of a fixed bottom plate, two first electric cylinders are fixedly connected to the inner side wall of the first supporting plate, two lifting plates are fixedly connected to the top ends of the two first electric cylinders together, a plurality of mounting sleeves penetrate through the inside of each lifting plate, a drill bit and an inner hexagon forming head are mounted at the bottom of each mounting sleeve, a first motor is fixedly connected to the top of each mounting sleeve right above the drill bit, a second electric cylinder is fixedly connected to the top of each mounting sleeve right above the inner hexagon forming head, and a plurality of second electric cylinders are fixedly connected to the top of each lifting plate;
the chip removal mechanism comprises two groups of second supporting plates, the two groups of second supporting plates are respectively positioned at the front side and the rear side of two first toothed chains, each group of second supporting plates is composed of two second supporting plates, four second supporting plates are fixedly connected to the bottom of a fixed bottom plate, the two second supporting plates in the same group are jointly connected with a first rotating shaft in a rotating mode, one end portion of the first rotating shaft is fixedly connected with a second motor, the second motor is fixedly connected to the side wall of the second supporting plate, a plurality of first wheel belts are jointly connected between the two first rotating shafts in a transmission mode, the plurality of first wheel belts are distributed between a plurality of drill bits and inner hexagon forming heads in a linear array mode, electromagnetic plates are arranged on the inner sides of the first wheel belts, and the electromagnetic plates are fixedly connected to the side walls of the four second supporting plates through two first connecting frames;
the two front side walls of the second supporting plate are fixedly connected with L-shaped fixing plates, first sliding rods which are in sliding connection with the L-shaped fixing plates are penetrated inside the two L-shaped fixing plates, scraping plates are fixedly connected with the inner ends of the two first sliding rods together, the scraping plates are used for scraping scraps adsorbed on the first wheel bands, first springs positioned between the L-shaped fixing plates and the scraping plates are sleeved on the outer surfaces of the two first sliding rods, a collecting box is fixedly arranged at the top of the fixing bottom plate, a guide plate is fixedly connected to the bottom of the collecting box, and the inner ends of the guide plates are positioned below the electromagnetic plates;
the supporting mechanism comprises two U-shaped supporting plates, the two U-shaped supporting plates are fixedly connected to the top of the fixed bottom plate, the horizontal parts of the two U-shaped supporting plates are positioned on the inner sides of the two first toothed chains, the tops of the two U-shaped supporting plates are fixedly connected with third electric cylinders, the top ends of the two third electric cylinders are fixedly connected with the supporting bottom plate together, and the supporting bottom plate is positioned under the first through groove;
the driving mechanism comprises four first fixing plates fixedly connected to the top of a fixing bottom plate, a first rotating rod is connected between the two first fixing plates on the same side in a common rotation mode, the front end of one first rotating rod is fixedly connected with a third motor, the third motor is fixedly connected to the side wall of the first fixing plate, two first gears are fixedly connected to the outer surfaces of the two first rotating rods, and the two first gears on the same side are in transmission connection with a first toothed chain;
the fastening mechanism comprises two fourth electric cylinders, the two fourth electric cylinders are respectively and fixedly connected to the front side wall and the rear side wall of the inside of the U-shaped fixing frame, the inner ends of the two fourth electric cylinders are fixedly connected with arc-shaped clamping plates, and the two arc-shaped clamping plates are used for clamping the bottom thread parts of the screws;
a precise forming process of inner hexagon composite specification comprises the following specific steps:
step one: placing a screw which is required to be processed into multiple specifications and has a hexagon in a first through groove of a U-shaped fixing frame which moves to a horizontal part, wherein the screw contacts with the top of the U-shaped fixing frame under the action of gravity;
step two: starting a fastening mechanism to fasten the bottom of the placed screw;
step three: starting a driving mechanism to drive two first toothed chains to synchronously drive, wherein the two first toothed chains drive the U-shaped fixing frame and the screw to move leftwards;
step four: when the screw moves to the position right below the rightmost drill bit, the driving mechanism is closed, the supporting mechanism is opened, and the supporting mechanism moves to the bottom of the screw to support the bottom of the screw;
step five: simultaneously, starting a power mechanism, wherein the power mechanism drives a plurality of drill bits and inner hexagonal forming heads which are arranged in a staggered manner to move downwards, drilling holes by using the drill bits, then machining inner hexagonal by using the inner hexagonal forming heads, and machining the head of the screw into inner hexagonal with the specification reduced from top to bottom in sequence;
step six: after each drill bit drilling and the inner hexagonal forming head are used for processing the screw, the chip removing mechanism adsorbs and discharges scraps at the head of the screw in the moving process of the screw;
step seven: after the machining is finished, the fastening mechanism is opened, and the screw is automatically discharged when the U-shaped fixing frame is overturned, so that the machining is finished.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, in the process of machining the multi-specification inner hexagon of the screw head, the U-shaped fixing frame, the driving mechanism, the fastening mechanism, the plurality of groups of drills with different specifications and the inner hexagon forming head are mutually matched, and in the process of driving the screw to move leftwards by the U-shaped fixing frame, the multi-specification inner hexagon of the screw head is machined from top to bottom in sequence from the approximately small part, so that excessive participation of personnel is avoided, the machining efficiency is improved remarkably, and in addition, scraps are discharged in time in the machining process by matching with the chip removing mechanism, so that the influence of the scraps on machining is avoided.
2. According to the invention, through the first wheel belt arranged between the drill bit and the inner hexagon-shaping head, after the screw is processed by the drill bit or the inner hexagon-shaping head, the second motor which is started all the time drives the first rotating shaft to continuously rotate in the process of continuously moving leftwards, the first rotating shaft drives the first wheel belt to continuously drive, when the screw moves to the bottoms of the first wheel belt and the electromagnetic plate, the electromagnetic plate adsorbs the scraps, so that the scraps lean against the bottoms of the first wheel belt, the first wheel belt continuously drives the front side to drive the scraps to move forwards, and therefore, the residual scraps at the head of the screw can be discharged in time, and the situation that the adsorption effect of the scraps is influenced due to the fact that the same position of the electromagnetic plate adsorbs more scraps can be avoided by the continuously driven first wheel belt, so that the scraps at the head of the screw can be completely adsorbed and discharged at each time, and the processing of the inner hexagon-shaping head of the screw is facilitated.
Drawings
FIG. 1 is a flow chart of a molding process of the present invention;
FIG. 2 is a first perspective view of the overall structure of the present invention;
FIG. 3 is a second perspective view of the overall structure of the present invention;
FIG. 4 is a third perspective view of the overall structure of the present invention;
FIG. 5 is a schematic view of several sets of drills, hexagon-shaping heads and power mechanism according to the present invention;
FIG. 6 is a schematic view of the positions of a plurality of U-shaped holders and a plurality of first wheel belts according to the present invention;
FIG. 7 is an enlarged view of the structure of FIG. 6 at A;
FIG. 8 is a right side view of the present invention (with the rear power mechanism and top bit and hex forming head hidden);
FIG. 9 is a schematic view of several sets of U-shaped holders, a first toothed chain and a supporting mechanism according to the present invention;
fig. 10 is a schematic view of the chip removing mechanism according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
the fixed bottom plate 1, the first toothed chain 2, the U-shaped fixed frame 3, the first through groove 4, the drill bit 5, the inner hexagon shaping head 6, the first supporting plate 7, the first electric cylinder 8, the lifting plate 9, the mounting sleeve 10, the first motor 11, the second electric cylinder 12, the second supporting plate 13, the first rotating shaft 14, the second motor 15, the first wheel belt 16, the electromagnetic plate 17, the first connecting frame 18, the L-shaped fixed plate 19, the first sliding rod 20, the scraping plate 21, the first spring 22, the collecting box 23, the guide plate 24, the U-shaped supporting plate 25, the third electric cylinder 26, the supporting bottom plate 27, the first fixed plate 28, the first rotating rod 29, the third motor 30, the first gear 31, the fourth electric cylinder 32 and the arc clamping plate 33.
Detailed Description
Referring to fig. 1-10, the present invention provides a technical solution: the utility model provides a precision forming die for inner hexagon compound specification screw, including fixed baseplate 1, fixed baseplate 1 top is provided with two first toothed chains 2 that arrange around, fixed baseplate 1 top is connected with the actuating mechanism that is used for driving two first toothed chains 2 synchronous drive, jointly fixedly connected with U type mount 3 that is linear array distribution along first toothed chain 2 edge on the surface between two first toothed chains 2 around, first logical groove 4 that supplies screw threaded part to pass is all offered to the inside of each U type mount 3, the fastening mechanism that is used for pressing from both sides the fixed screw is all connected with to the inboard of each U type mount 3, be provided with drill bit 5 and inner hexagon shaping head 6 of a plurality of different specifications above fixed baseplate 1, each drill bit 5 and inner hexagon shaping head 6 are by a plurality of drill bit 5 and inner hexagon shaping head 6, a plurality of drill bit 5 all are located the right side of inner hexagon shaping head 6, a plurality of drill bit 5 and inner hexagon shaping head 6 are reduced in proper order from right side to left specification, and the bottom of each group's drill bit 5 and inner hexagon shaping head 6 are reduced in proper order from right side to left side, a plurality of drill bit 5 and inner hexagon head 5 take out the clearance for a plurality of the fixed baseplate 1 and a plurality of the inside of the fixed baseplate 1 is formed to the bottom plate 1, a plurality of clearance gap between a plurality of drill bit 5 and inner hexagon head 5 and inner hexagon shaping head 6 are arranged for carrying out the shaping mechanism and a plurality of the top and a plurality of inner hexagon head shaping head 1 is arranged at the bottom of the end and is arranged at the bottom of the end 1 and is fixed to be used for carrying out the end to take shape and is equal to take shape;
when the forming die works, screws which need to be processed into multiple specifications and are in the first through groove 4 of the U-shaped fixing frame 3 which moves to the horizontal part, the heads of the screws are contacted with the top of the U-shaped fixing frame 3 under the action of gravity, then, the fastening mechanism is started to fasten the bottoms of the placed screws, the screws are prevented from rotating and moving up and down in subsequent processing, then, the driving mechanism is started to drive the two first toothed chains 2 to synchronously drive, the two first toothed chains 2 drive the U-shaped fixing frame 3 and the screws to move to the left side, when the screws move to the right side right below the drill bit 5, the driving mechanism is closed, the supporting mechanism is opened, the supporting mechanism moves to the bottom of the screws to support the bottom of the screws, meanwhile, the power mechanism is started to drive a plurality of staggered drill bits 5 and the inner hexagonal forming heads 6 to move downwards, each group of drill bits 5 and inner hexagon-shaping heads 6 are sequentially reduced from right to left, in the process of moving the screw to the left, the large-specification drill bits 5 and inner hexagon-shaping heads 6 firstly process the top of the screw, drill holes are firstly drilled by the drill bits 5, then the inner hexagon-shaping heads 6 are used for processing the positions of the drill bits 5, the bottom ends of each group of drill bits 5 and inner hexagon-shaping heads 6 are sequentially reduced from right to left, so that the screw heads are processed into inner hexagons with sequentially reduced specifications from top to bottom, the inner hexagon-shaping heads with multiple specifications are automatically completed, the processing efficiency is high, after each drill bit 5 drills and the inner hexagon-shaping heads 6 process the screw, chip removing mechanisms absorb and discharge waste chips of the screw heads in the process of moving the screw, the waste chips remained after each processing are avoided, after one processing is completed, the power mechanism drives a plurality of drills 5 and the inner hexagon forming heads 6 to ascend and reset, the supporting mechanism at the bottom synchronously resets, then, the driving mechanism is started again, the U-shaped fixing frame 3 and the screw are driven to move to the next position at the left side for processing, the steps are repeated, thereby automatically processing the head of the screw into the inner hexagon with multiple specifications, the fastening mechanism is opened after the processing is completed, the screw is automatically discharged when the U-shaped fixing frame 3 is overturned, the processing is completed, the convenience and the rapidness are realized, the U-shaped fixing frame 3, the driving mechanism, the fastening mechanism, a plurality of groups of drills 5 with different specifications and the inner hexagon forming heads 6 are mutually matched in the processing of the multiple specifications of the head of the screw each time, the U-shaped fixing frame 3 drives the screw to move to the left side, the screw head is sequentially processed with multiple specifications from top to bottom, excessive participation of staff is avoided, the processing efficiency is remarkably improved, and the scrap is discharged in time in the processing process by matching with the chip removing mechanism, so that the scrap is prevented from influencing the processing.
As a further scheme of the invention, the power mechanism comprises a first supporting plate 7, the first supporting plate 7 is fixedly connected to the top of a fixed bottom plate 1, two first electric cylinders 8 are fixedly connected to the inner side wall of the first supporting plate 7, two lifting plates 9 are fixedly connected to the top ends of the two first electric cylinders 8 together, a plurality of mounting sleeves 10 penetrate through the inside of the bottom lifting plates 9, a drill bit 5 and an inner hexagonal forming head 6 are mounted at the bottom of the mounting sleeve 10, a first motor 11 is fixedly connected to the top of each mounting sleeve 10 right above the drill bit 5, the first motor 11 is fixedly connected to the top of the lifting plates 9, a second electric cylinder 12 is fixedly connected to the top end of each mounting sleeve 10 right above the inner hexagonal forming head 6, and a plurality of second electric cylinders 12 are fixedly connected to the top of the lifting plates 9; during operation, because a plurality of groups of drill bits 5 and inner hexagon-shaping heads 6 need to be driven to move up and down and the rotation of the drill bits 5 is used for machining a plurality of screw heads, through after the screw is moved to the position right below the drill bits 5 or the inner hexagon-shaping heads 6, two first electric cylinders 8 are started, two lifting plates 9 and a plurality of mounting sleeves 10, the drill bits 5 and the inner hexagon-shaping heads 6 are driven to synchronously move down, a plurality of second electric cylinders 12 and second motors 15 are started simultaneously, the second motors 15 drive a plurality of mounting sleeves 10 and the drill bits 5 to rotate fast, in the process of downwards moving the drill bits 5, the second electric cylinders 12 drive the mounting sleeves 10 and the inner hexagon-shaping heads 6 to vibrate up and down, the inner hexagon-shaping is carried out on the screw heads after drilling, convenience and quickness are realized, and the machining efficiency is higher, and after the machining is finished, a mechanism is reset.
As a further scheme of the invention, the chip removal mechanism comprises two groups of second supporting plates 13, the two groups of second supporting plates 13 are respectively positioned at the front side and the rear side of the two first toothed chains 2, each group of second supporting plates 13 is composed of two second supporting plates 13, four second supporting plates 13 are fixedly connected to the bottom of the fixed bottom plate 1, the same group of two second supporting plates 13 are jointly connected with a first rotating shaft 14 in a rotating way, the end part of one first rotating shaft 14 is fixedly connected with a second motor 15, the second motor 15 is fixedly connected to the side wall of the second supporting plate 13, a plurality of first wheel belts 16 are jointly connected between the two first rotating shafts 14 in a transmission way, the plurality of first wheel belts 16 are distributed between a plurality of drill bits 5 and the inner hexagonal forming heads 6 in a linear array way, the inner side of each first wheel belt 16 is provided with an electromagnetic plate 17, and the plurality of electromagnetic plates 17 are fixedly connected to the side walls of the four second supporting plates 13 through two first connecting frames 18; during operation, after the screw is processed through the drill bit 5 and the inner hexagonal forming head 6, scraps are remained in the inner hole position of the screw, the next time the drill bit 5 and the inner hexagonal forming head 6 continuously process the screw head, through the first wheel belt 16 arranged between the drill bit 5 and the inner hexagonal forming head 6, after the screw is processed through the drill bit 5 or the inner hexagonal forming head 6, the second motor 15 which is started continuously drives the first rotating shaft 14 to continuously rotate, the first rotating shaft 14 drives the first wheel belt 16 to continuously drive, when the screw moves to the bottoms of the first wheel belt 16 and the electromagnetic plate 17, the electromagnetic plate 17 adsorbs the scraps, so that the scraps lean against the bottoms of the first wheel belt 16, the first wheel belt 16 continuously drives the scraps to move forwards, the residual scraps on the screw head can be discharged in time, the condition that the adsorption effect of the scraps adsorbed on the same position of the electromagnetic plate 17 is influenced can be avoided, the scraps can be completely adsorbed and discharged from the head each time, and the scraps can be favorably processed into the screw head.
As a further scheme of the invention, the side walls of the two second supporting plates 13 at the front side are fixedly connected with L-shaped fixing plates 19, first sliding rods 20 which are in sliding connection with the two L-shaped fixing plates 19 are penetrated in the two L-shaped fixing plates 19, scraping plates 21 are fixedly connected with the inner ends of the two first sliding rods 20 together, the scraping plates 21 are used for scraping off scraps adsorbed on the first wheel belt 16, first springs 22 positioned between the L-shaped fixing plates 19 and the scraping plates 21 are sleeved on the outer surfaces of the two first sliding rods 20, a collecting box 23 is fixedly arranged at the top of the fixed bottom plate 1, a guide plate 24 is fixedly connected with the bottom of the collecting box 23, and the inner ends of the guide plates 24 are positioned below the electromagnetic plates 17; during operation, as the first wheel belt 16 drives the scraps to move forwards, after the scraps break away from the adsorption action of the bottom of the electromagnetic plate 17, the scraps fall from the first wheel belt 16 and are scattered everywhere on the fixed bottom plate 1, so that the scraps are not beneficial to follow-up personnel to process.
As a further scheme of the invention, the supporting mechanism comprises two U-shaped supporting plates 25, the two U-shaped supporting plates 25 are fixedly connected to the top of the fixed bottom plate 1, the horizontal parts of the two U-shaped supporting plates 25 are positioned on the inner sides of the two first toothed chains 2, the tops of the two U-shaped supporting plates 25 are fixedly connected with third electric cylinders 26, the top ends of the two third electric cylinders 26 are fixedly connected with a supporting bottom plate 27 together, and the supporting bottom plate 27 is positioned under the first through groove 4; during operation, because when drill bit 5 and interior hexagonal forming head 6 at the top process the screw head, can produce huge decurrent pressure to the screw head to need support the screw bottom, avoid the screw to take place to remove when processing, through when need drill bit 5 to process the screw head at every turn, confirm first third electric jar 26, promote the bottom contact of supporting baseplate 27 and screw, support the screw bottom, avoid the screw to move down when processing, be favorable to carrying out the interior hexagonal processing of many specifications to the screw, after the processing is accomplished, third electric jar 26 drives supporting baseplate 27 and resets, avoid fish tail supporting baseplate 27.
As a further scheme of the invention, the driving mechanism comprises four first fixing plates 28 fixedly connected to the top of the fixed bottom plate 1, a first rotating rod 29 is connected between the two first fixing plates 28 on the same side in a rotation mode, the front end of one first rotating rod 29 is fixedly connected with a third motor 30, the third motor 30 is fixedly connected to the side wall of the first fixing plate 28, two first gears 31 are fixedly connected to the outer surfaces of the two first rotating rods 29, and the two first gears 31 on the same side are connected with the first toothed chain 2 in a transmission mode; during operation, because a plurality of U type support frames and screws need to be stably driven to move, the third motor 30 is started to drive the first rotating rod 29 and the first gear 31 to rotate, so that the two first toothed chains 2, the plurality of U type fixing frames 3 and the screws are stably driven to synchronously move, and convenience and rapidness are realized.
As a further scheme of the invention, the fastening mechanism comprises two fourth electric cylinders 32, the two fourth electric cylinders 32 are respectively and fixedly connected to the front side wall and the rear side wall of the inside of the U-shaped fixing frame 3, the inner ends of the two fourth electric cylinders 32 are fixedly connected with arc-shaped clamping plates 33, and the two arc-shaped clamping plates 33 are used for clamping the bottom thread parts of screws; during operation, because the drill bit 5 is used for drilling the screw head, the screw needs to be clamped, the screw is prevented from rotating together, after the screw falls on the top of the U-shaped fixing frame 3, the two fourth electric cylinders 32 are synchronously started, the two arc clamping plates 33 are driven to synchronously move inwards, the threaded part at the bottom of the screw is clamped, the screw is prevented from rotating in the machining process, and the screw head is favorably machined in a multi-specification inner hexagon.
A precise forming process of inner hexagon composite specification comprises the following specific steps:
step one: placing a screw which is required to be processed into multiple specifications and has a hexagon in a first through groove 4 of a U-shaped fixing frame 3 which moves to a horizontal part, wherein the screw contacts with the top of the U-shaped fixing frame 3 under the action of gravity;
step two: starting a fastening mechanism to fasten the bottom of the placed screw;
step three: starting a driving mechanism to drive the two first toothed chains 2 to synchronously drive, wherein the two first toothed chains 2 drive the U-shaped fixing frame 3 and the screw to move leftwards;
step four: when the screw moves to the position right below the rightmost drill bit 5, the driving mechanism is closed, the supporting mechanism is opened, and the supporting mechanism moves to the bottom of the screw to support the bottom of the screw;
step five: simultaneously, starting a power mechanism, wherein the power mechanism drives a plurality of drill bits 5 and inner hexagonal forming heads 6 which are arranged in a staggered manner to move downwards, drilling holes by using the drill bits 5, then machining inner hexagons at the positions of the drill bits 5 by using the inner hexagonal forming heads 6, and machining screw heads into inner hexagons with sequentially reduced specifications from top to bottom;
step six: after each time the drill bit 5 drills and the hexagon socket head 6 processes the screw, the chip removing mechanism adsorbs and discharges scraps at the head of the screw in the moving process of the screw;
step seven: after the machining is finished, the fastening mechanism is opened, and the screw is automatically discharged when the U-shaped fixing frame 3 is overturned, so that the machining is finished.
Claims (8)
1. Inner hexagon composite specificationScrew boltPrecision forming mould, including fixed baseplate (1), its characterized in that: the utility model discloses a drill bit forming device, including fixed baseplate (1), drill bit (5) and hexagonal forming head (6) that are located in proper order, fixed baseplate (1) top is provided with two first toothed chains (2) that arrange around being provided with, fixed baseplate (1) top is connected with the actuating mechanism who is used for driving two first toothed chains (2) synchronous drive, front and back two on the surface between first toothed chains (2) jointly fixedly connected with U type mount (3) that are linear array distribution along first toothed chain (2) edge, every U type mount (3) are inside all offered first logical groove (4) that supply screw thread part to pass, every U type mount (3) inboard all is connected with the fastening mechanism who is used for pressing from both sides tight set screw, fixed baseplate (1) top is provided with drill bit (5) and hexagonal forming head (6) of a plurality of different specifications, every drill bit (5) and hexagonal forming head (6) are constituteed by drill bit (5) and hexagonal forming head (6) in proper order, every group drill bit (5) are located the right side of hexagonal forming head (6), hexagonal forming head (6) is located a plurality of right side forming head (6) and hexagonal forming head (6) from a plurality of drill bit (5) and hexagonal forming head (6) top to the right side forming head (6) and the top is located in proper order and the order down, the screw head fixing device is characterized in that the top of the fixing base plate (1) is connected with a power mechanism for driving a plurality of drill bits (5) and inner hexagonal forming heads (6) to process screw heads, a chip removal mechanism for discharging scraps of the screw heads after the drill bits (5) and the inner hexagonal forming heads (6) are processed is arranged at the bottom of the fixing base plate (1), and a supporting mechanism for supporting the screw bottoms when the drill bits (5) and the inner hexagonal forming heads (6) process the screw heads is connected to the top of the fixing base plate (1).
2. The precise forming die for the hexagon socket compound specification screw according to claim 1, wherein: the power mechanism comprises a first supporting plate (7), the top of fixed baseplate (1) is fixedly connected with first backup pad (7), two first electric cylinders (8) are fixedly connected with on the inside wall of first backup pad (7), two the top of first electric cylinder (8) is fixedly connected with two lifter plates (9) jointly, the bottom lifter plates (9) are inside to be run through to have a plurality of installation cover (10), drill bit (5) with interior hexagonal forming head (6) all install the bottom at installation cover (10), every be located drill bit (5) directly over installation cover (10) top all fixedly connected with first motor (11), first motor (11) fixedly connected with is at the top of lifter plates (9), every be located the top of installation cover (10) just above interior hexagonal forming head (6) all fixedly connected with second electric cylinder (12), a plurality of second electric cylinder (12) all are fixedly connected with at the top of lifter plates (9).
3. The precise forming die for the hexagon socket compound specification screw according to claim 2, wherein: the chip removal mechanism comprises two groups of second supporting plates (13), the two groups of second supporting plates (13) are respectively located on the front side and the rear side of two first toothed chains (2), each group of second supporting plates (13) is composed of two second supporting plates (13), four second supporting plates (13) are fixedly connected to the bottom of a fixed bottom plate (1), first rotating shafts (14) are jointly connected between the second supporting plates (13) in a rotating mode, one of the first rotating shafts (14) is fixedly connected with a second motor (15), the second motor (15) is fixedly connected to the side wall of the second supporting plates (13), a plurality of first wheel belts (16) are connected between the first rotating shafts (14) in a transmission mode, the first wheel belts (16) are distributed between a plurality of drill bits (5) and inner hexagonal forming heads (6) in a linear array mode, a plurality of electromagnetic plates (17) are respectively arranged on the inner sides of the first wheel belts (16), and the electromagnetic plates (17) are fixedly connected to the side walls of the four second supporting plates (13) through two first connecting frames (18).
4. The precise forming die for the hexagon socket compound specification screw according to claim 3, wherein: the front side is two all fixedly connected with L type fixed plate (19) on second backup pad (13) lateral wall, two inside all running through of L type fixed plate (19) have rather than sliding connection's first slide bar (20), two the common fixedly connected with scraper blade (21) of first slide bar (20) inner, scraper blade (21) are used for scraping the sweeps of adsorbing on first wheel belt (16), two all overlap on first slide bar (20) surface and are equipped with first spring (22) that are located between L type fixed plate (19) and scraper blade (21), fixed baseplate (1) top fixed mounting has collecting box (23), collecting box (23) bottom fixedly connected with guide board (24), guide board (24) inner are located the below of electromagnetic plate (17).
5. The precise forming die for the hexagon socket compound specification screw according to claim 1, wherein: the supporting mechanism comprises two U-shaped supporting plates (25), wherein the two U-shaped supporting plates (25) are fixedly connected to the top of a fixed bottom plate (1), the two horizontal parts of the U-shaped supporting plates (25) are located on the inner sides of two first toothed chains (2), the two U-shaped supporting plates (25) are fixedly connected with third electric cylinders (26) at the top, the two supporting bottom plates (27) are fixedly connected to the top ends of the third electric cylinders (26) together, and the supporting bottom plates (27) are located under the first through grooves (4).
6. The precise forming die for the hexagon socket compound specification screw according to claim 1, wherein: the driving mechanism comprises four first fixing plates (28) fixedly connected to the top of a fixing base plate (1), a first rotating rod (29) is connected between the first fixing plates (28) in a common rotation mode, one of the first fixing plates is fixedly connected with a third motor (30) at the front end of the first rotating rod (29), the third motor (30) is fixedly connected to the side wall of the first fixing plates (28), two first gears (31) are fixedly connected to the outer surface of the first rotating rod (29), and the two first gears (31) on the same side are connected with a first toothed chain (2) in a transmission mode.
7. The precise forming die for the hexagon socket compound specification screw according to claim 1, wherein: the fastening mechanism comprises two fourth electric cylinders (32), the two fourth electric cylinders (32) are respectively and fixedly connected to the front side wall and the rear side wall of the inside of the U-shaped fixing frame (3), the inner ends of the two fourth electric cylinders (32) are fixedly connected with arc-shaped clamping plates (33), and the two arc-shaped clamping plates (33) are used for clamping bottom thread parts of screws.
8. A precision forming process of a compound specification of an inner hexagon, which is applicable to a precision forming die of a screw with compound specification of an inner hexagon according to any one of claims 1 to 7, and is characterized in that: the specific steps of the process are as follows:
step one: placing a screw which is required to be processed into multiple specifications and has a hexagon in a first through groove (4) of a U-shaped fixing frame (3) which moves to a horizontal part, wherein the screw contacts with the top of the U-shaped fixing frame (3) at the gravity action head;
step two: starting a fastening mechanism to fasten the bottom of the placed screw;
step three: starting a driving mechanism to drive two first toothed chains (2) to synchronously drive, wherein the two first toothed chains (2) drive a U-shaped fixing frame (3) and a screw to move leftwards;
step four: when the screw moves to the position right below the rightmost drill bit (5), the driving mechanism is closed, the supporting mechanism is opened, and the supporting mechanism moves to the bottom of the screw to support the bottom of the screw;
step five: simultaneously, starting a power mechanism, wherein the power mechanism drives a plurality of drill bits (5) and inner hexagonal forming heads (6) which are arranged in a staggered manner to move downwards, drilling holes by the drill bits (5), then processing inner hexagonal forming heads (6) on the positions of the drill bits (5), and processing screw heads into inner hexagonal with the specifications reduced from top to bottom in sequence;
step six: after each time the drill bit (5) drills and the hexagon socket head (6) processes the screw, the chip removing mechanism adsorbs and discharges scraps at the head of the screw in the moving process of the screw;
step seven: after the machining is finished, the fastening mechanism is opened, and the screw is automatically discharged when the U-shaped fixing frame (3) is overturned, so that the machining is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210769009.3A CN115283606B (en) | 2022-06-30 | 2022-06-30 | Precise forming die for inner hexagon composite specification screw and forming process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210769009.3A CN115283606B (en) | 2022-06-30 | 2022-06-30 | Precise forming die for inner hexagon composite specification screw and forming process thereof |
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| CN115283606A CN115283606A (en) | 2022-11-04 |
| CN115283606B true CN115283606B (en) | 2023-04-25 |
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Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB678407A (en) * | 1949-05-20 | 1952-09-03 | Nat Machinery Co | Improvements in or relating to method of and apparatus for forming a punched article |
| US2986752A (en) * | 1958-09-23 | 1961-06-06 | Gen Am Transport | Methods of forming by punching a cruciform recess in a headed fastener |
| CN102335712A (en) * | 2011-06-15 | 2012-02-01 | 宁波达峰机械有限公司 | Method for forming bolt head for automobile fastener |
| CN105598896B (en) * | 2016-03-01 | 2017-09-19 | 陕西理工学院 | A kind of integrated spanner of hexagon socket head cap screw |
| CN107892040B (en) * | 2017-12-15 | 2023-09-12 | 东富龙包装技术（上海）有限公司 | Continuous conveying and adjusting device of paper boxes suitable for various length specifications |
| CN212191369U (en) * | 2020-06-08 | 2020-12-22 | 曹娥 | Drilling equipment for valve |
| CN215551771U (en) * | 2021-03-12 | 2022-01-18 | 浙江耐特玻璃科技股份有限公司 | Multi-specification efficient screen printing machine |
| CN214601965U (en) * | 2021-04-20 | 2021-11-05 | 吴江顺益机电设备有限公司 | Automatic feeding machine for turning bar materials |
| CN216661473U (en) * | 2021-09-28 | 2022-06-03 | 河北邯峰发电有限责任公司 | Plate conveyor with replaceable chain plates |
| CN113618115B (en) * | 2021-10-12 | 2022-02-08 | 徐州市瑞泰钢管有限公司 | Steel pipe hoop paired drilling equipment and paired drilling method |
| CN216632704U (en) * | 2021-12-13 | 2022-05-31 | 常州小狼星精密仪器有限公司 | Detachable combined drill bit suitable for aviation part machining |
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