CN110385377B - Die carrier with workpiece burr removing function and die carrier deburring method - Google Patents
Die carrier with workpiece burr removing function and die carrier deburring method Download PDFInfo
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- CN110385377B CN110385377B CN201910666281.7A CN201910666281A CN110385377B CN 110385377 B CN110385377 B CN 110385377B CN 201910666281 A CN201910666281 A CN 201910666281A CN 110385377 B CN110385377 B CN 110385377B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
- B23D79/02—Machines or devices for scraping
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Abstract
The invention discloses a die carrier with a function of removing burrs of a workpiece and a method, and belongs to the technical field of auxiliary cutting of cold forming die carriers. The die carrier with the function of removing burrs of the workpiece comprises a die carrier system, a pressing system and a cutting system, wherein the cutting system comprises a power part, a rotating part, a floating part and a cutter, the workpiece is arranged on the die carrier system and is pressed by the pressing system, the power part drives the rotating part to rotate, the cutter and the rotating part synchronously rotate around the workpiece, and the workpiece is cut by the cutter to remove burrs. The whole machining device is arranged in the small die frame, and the cutter is locked by using a self-locking structure; the workpiece realizes floating and ejection by using a floating structure; the material pressing part is additionally provided with a floating structure and a positioning structure. The invention realizes the actions of processing, arranging, cutting, carrying and the like in the die, and prevents the main body from being active in the processing process; the safety performance is improved, the mounting and dismounting speed is accelerated, the single piece manufacturing cost is reduced, and the single piece can be combined with a plurality of forming stations for production, so that automatic carrying is realized.
Description
Technical Field
The invention belongs to the technical field of auxiliary cutting of cold forming die carriers, and particularly relates to a die carrier with a function of removing burrs of a workpiece and a method for deburring the die carrier.
Background
At present, all multi-station cold forming dies are mainly formed, and when a workpiece generates inevitable burrs in the forging process, the burrs are almost cut and removed by machining equipment such as a lathe. This traditional approach is inefficient and does not meet the production cycle time of the press. Therefore, the die carrier module needs to be improved, and the motor, the transmission mechanism and the positioning mechanism are integrated in the space range of the four guide posts and the guide sleeves of the die carrier, so that the die carrier module has the function of removing burrs by cutting, and the die carrier with the function of removing the burrs of the workpiece is formed.
Disclosure of Invention
Aiming at the requirements of the prior art, the die carrier with the function of removing the burrs of the workpiece is provided.
The technical scheme of the invention is as follows: the die carrier with the function of removing burrs of the workpiece comprises a die carrier system and a pressing system and is characterized by further comprising a cutting system, wherein the cutting system comprises a power part, a rotating part, a floating part and a cutter, the workpiece is installed in the die carrier system and is pressed and fixed by the pressing system, the power part drives the rotating part to rotate, the cutter and the rotating part synchronously rotate around the workpiece, and the workpiece is cut by the cutter to remove burrs.
Further, the die carrier system comprises an upper die and a lower die which can be separated, the upper die is positioned vertically above the lower die, a guide pillar and a guide sleeve are arranged between the upper die and the lower die, and the upper die is lifted through the guide pillar and the guide sleeve to realize die assembly and die opening of the die carrier system;
the upper die comprises an upper die plate and an upper die base plate, the upper die base plate is positioned on the lower surface of the upper die plate and is fixedly connected with the upper die base plate through a plurality of positioning pins, a through hole A is formed in the centers of the upper die plate and the upper die base plate, the through hole A is close to the middle position and expands towards the periphery to form a step shape, expanding holes are formed downwards from the step position, a rectangular spring A is axially sleeved in each expanding hole, a spring positioning rod penetrates through the axial center of the rectangular spring A, a gasket is arranged at the upper end of the rectangular spring A, the periphery of the upper surface of the gasket abuts against a step expanding platform at the top of each expanding hole, a nut is arranged at the top of each spring positioning rod and abuts;
the lower die comprises a lower bottom plate and a lower die plate, and the guide sleeve stands on the lower die plate.
Furthermore, the material pressing system comprises a material pressing plate and a material pressing plate base plate, the material pressing plate and the material pressing plate base plate are fixed through a positioning pin, the material pressing system is located below the upper die, a plurality of material pressing plate guide sleeves are longitudinally arranged in the material pressing plate, a material pressing plate guide pillar penetrates through the material pressing plate guide sleeves, the material pressing plate guide pillar further penetrates through the material pressing plate base plate and the upper die base plate, and a plurality of material pressing plate bolts are arranged between the material pressing plate base plate and the upper die base plate.
The center of the pressure plate and the center of the pressure plate backing plate are provided with center holes which are coaxial with the through hole A at the center of the upper die, the spring positioning rod is inserted into the center hole of the pressure plate backing plate, and the rotation stopping pressing block is arranged in the center hole of the pressure plate.
Furthermore, the power part comprises a motor, an output shaft of the motor is connected with a coupler, the output shaft is connected with a straight bevel gear through the coupler, one side of the straight bevel gear, facing the coupler, is provided with a connecting shaft, the connecting shaft is sleeved in a bearing, and the bearing is fixedly installed on the lower template through a bearing support.
Further, the floating part comprises a rectangular spring B, a rotation stopping core rod, a core rod sleeve, a core rod heightening block and a floating ring, a step through hole is formed in the center of the lower base plate and comprises an upper section with a large aperture and a lower section with a small aperture, the rectangular spring B is arranged in the step through hole, spring cushion blocks are arranged at the upper end and the lower end of the rectangular spring B, the large aperture end of the step through hole is provided with the core rod heightening block with the same diameter as the step through hole, a circular groove is formed in the downward surface of the core rod heightening block, the rectangular spring B and the spring cushion block at the top of the rectangular spring B are arranged in the circular groove, the rotation stopping core rod and the core rod sleeve are located on the core rod heightening block, the core rod sleeve is located outside the rotation stopping core rod, and the floating ring is sleeved.
Further, the rotating part comprises a straight bevel gear disc meshed with a straight bevel gear, the straight bevel gear disc is sleeved outside the core rod sleeve, a main mandrel B is arranged below the straight bevel gear disc, the main mandrel B surrounds the core rod block, tapered roller bearings are arranged around the main mandrel B, a main mandrel C and a main mandrel A are arranged above the straight bevel gear disc, the main mandrel C and the main mandrel A are fixed through pins, a ball bearing sleeve is sleeved around the main mandrel A, a ball bearing positioning disc is arranged outside the ball bearing sleeve, the ball bearing positioning disc is fixed with the lower template through a cushion block, a cutter is arranged at the center of the main mandrel A, and the cutter sleeve is sleeved outside the floating ring and is connected with the main mandrel A through a self-locking mechanism in a locking mode.
Further, the self-locking mechanism comprises a self-locking steel ball inner bushing, a self-locking steel ball retainer, a locking structure retainer ring, a self-locking steel ball cover, an inner cover shell and steel balls; the self-locking steel ball inner bushing surrounds the cutter, and the self-locking steel ball retainer is arranged on the self-locking steel ball inner bushing; the self-locking steel ball cover covers the self-locking steel ball inner bushing and the self-locking steel ball retainer and is flush with the locking structure retainer ring; the inner cover covers the locking structure retainer ring; the inner ring of the main mandrel A is in a three-step shape; the outer ring structures of the locking structure retainer ring, the self-locking steel ball retainer and the self-locking steel ball inner bushing are stacked in a step shape and are matched with the main mandrel A; the self-locking steel ball inner bushing is fixed on the main mandrel A through a pin;
the outer wall of the cutter is provided with a circle of limiting grooves of steel balls, and the self-locking steel ball inner bushing comprises a circular chassis and an inner bushing frame arranged on the chassis; a plurality of isolation columns which protrude outwards are uniformly distributed on the outer ring of the lining sleeve frame; the side wall of the lining sleeve frame is provided with a plurality of through holes B for rolling steel balls into or out of the limiting groove; the through hole B is adjacent to the isolation column; the limiting groove is correspondingly overlapped with the through hole B;
the self-locking steel ball retainer is annular, and a plurality of blocking columns are uniformly distributed on the inner ring of the self-locking steel ball retainer; gaps corresponding to the isolation columns are formed between the blocking columns; the edge of the gap forms a 3-shaped structure; the side with larger space is an avoidance area; the other side with smaller space is a locking area, the space of the avoidance area is larger than the volume of the steel balls, and the space of the locking area is smaller than the volume of the steel balls; the isolation column swings between the notches; when the isolating column swings to the locking area, one part of the steel ball is positioned in the locking area; the other part enters the limiting groove from the through hole B to realize the locking of the cutter; when the isolation column swings to the avoidance area, the steel balls roll out of the limiting groove to the avoidance area, and the cutter is loosened.
Further comprises a material collecting mechanism, the material collecting mechanism comprises a motor cover shell, a motor material guide plate, a material collecting disc, a material blocking cover, a vibrator and an optical axis support frame, a fixing plate is arranged at the output shaft end of the motor, the motor cover shell is horizontally arranged on one side of the fixing plate, which faces the rotating part, and is covered on the straight helical gear,
an inner cover shell is laid on the self-locking mechanism, an outer cover shell surrounds the inner cover shell, the outer cover shell is connected with a material collecting plate, a motor material guide plate is arranged between the material collecting plate and the motor cover shell, a vibrator is arranged below the material collecting plate, a material collecting plate outlet is arranged on one side of the material collecting plate, and a material blocking cover surrounds the material collecting plate.
Furthermore, a plurality of limiting rods are arranged below the upper template, heightening pieces are arranged on the lower template below the limiting rods in a perpendicular mode, and the material blocking cover is fixedly arranged below the material pressing plate.
The method for deburring the die carrier specifically comprises the following steps:
the method comprises the following steps: carrying in a workpiece: the die carrier is in the top dead center position, and the manipulator snatchs the work piece, puts into the top location and the spline of the core bar that splines. At the moment, the motor is in a starting state, the motor drives the rotating part to rotate, the cutter also synchronously rotates, and the workpiece is supported by the floating ring to float above the cutter and is not in contact with the cutter;
step two: contacting the cutter: pressing down the upper die, enabling the rotation stopping pressing block to be in contact with the workpiece, enabling the rotation stopping pressing block to be involved in auxiliary positioning, pressing down until the surface to be cut of the workpiece is in contact with the cutter, and cutting the workpiece;
step three: finishing cutting: the die carrier is pressed down to a bottom dead center, the workpiece is pressed tightly by the pressing plate, the rectangular spring A is compressed to provide pressing force, the pressing force reaches the final position of the workpiece needing to be cut under the action of the limiting rod, and the cut scrap iron is thrown to the material blocking cover, falls into the material collecting disc and is discharged in a vibrating manner;
step four: disengaging the cutter: the die carrier moves upwards, the compression amount of a rectangular spring A on the material pressing plate is reduced, the material pressing force is gradually unloaded until the floating ring supports the workpiece, the workpiece is separated from the cutter, and the rotation stopping pressing block is separated from the workpiece;
step five: carrying out a workpiece: and the mechanical arm grabs the processed workpiece and transfers the workpiece away. Meanwhile, the other manipulator carries the workpiece to be processed into the placing position of the rotation stopping core rod, and the operation is circulated in sequence.
Has the advantages that:
machining and integrating the die carrier; the mechanical processing power device is arranged in a small-size die carrier, so that the mechanical processing power device can complete simple working procedures such as deburring or chamfering of relevant parts on a press machine along with the up-and-down movement of the press machine, and products can be transported and moved through the walking beam. The cut waste materials can be discharged out of the die carrier through the vibration of the material collecting disc, and the phenomenon that the adjacent stations are influenced by iron cutting can not be caused. Power is input by a motor, transmitted to the main core part through the transmission of the bevel gears and the gear disc and transmitted to the tool holder through the three positioning pins on the main core, and the cutting process of the tool is realized.
(II) self-locking quick-release mechanism of knife handle: after the positioning bolts on the inner cover shell are disassembled, the steel balls can slide into the avoiding area by rotating a small angle, so that the cutter handle is loosened and can be directly pulled out manually. The self-locking steel ball retainer, the steel ball and the self-locking steel ball inner bushing keep a self-locking state in the high-speed running process and are locked by the aid of bolts.
(III) core bar floating and quick-changing mechanism: the inner hexagonal wrench is inserted into the core rod part only after the tool shank is removed, and the core rod, the floating ring and the core rod sleeve can be taken out together by loosening 3 shaft position screws. And the installation is vice versa. The main structure does not need to be disassembled in the whole process, and the disassembly and the assembly are labor-saving and labor-saving.
(IV) floating material pressing mechanism: the pressing device has the characteristics of floating capacity, stability and adjustability. Because the position of the main body part cutter is fixed, the material pressing device needs to have certain floating capacity and has the characteristics of stability and adjustability. And because the product core rod is thin and long, a better positioning device is needed for stable rotation stopping positioning. The part combines the above, and is provided with a pressure plate with floating capacity and 4 limiting rods to stabilize the position of a bottom dead center, and an adjustable gasket is placed below the pressure plate. A5-higher-strength spring is arranged on the pressure plate to provide a pressure source during cutting. 4 more pressure plate guide columns and guide sleeves and a rotation-stopping positioning tool are added on the pressure plate to be used as auxiliary product positioning tools.
According to the invention, machining work is carried into the press, cutting and wind power are realized by utilizing the up-and-down motion of the press, and the cutting efficiency is matched with the production efficiency of the press; the method reduces the manufacturing cost of a single piece, and can be combined with a plurality of forming stations for production to realize automatic handling; and the quick change of the mold core and the quick change of the cutter can be realized, the equipment maintenance process is simplified, the production efficiency is improved, and the production safety is ensured.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a top view of the locking mechanism;
FIG. 4 is a schematic structural view of the locking mechanism;
fig. 5 is a schematic structural view of a self-locking steel ball inner bushing.
Reference numerals
1-upper template, 2-upper template pad, 3-positioning pin, 4-through hole A, 5-rectangular spring A, 6-spring positioning rod, 7-gasket, 8-nut, 9-guide post, 10-guide sleeve, 11-lower base plate, 12-lower template, 13-limiting rod, 14-heightening piece, 15-pressure plate, 16-pressure plate pad, 17-positioning pin, 18-pressure plate guide sleeve, 19-pressure plate guide post, 20-pressure plate bolt, 21-rotation-stopping block, 22-motor, 23-coupler, 24-straight helical gear, 25-connecting shaft, 26-bearing, 27-bearing support, 28-rectangular spring B, 29-rotation-stopping core rod, 30-core rod sleeve, 31-core rod heightening block, 32-floating ring, 33-spring cushion block, 34-straight bevel gear plate, 35-tapered roller bearing, 36-ball bearing sleeve, 37-ball bearing positioning plate, 38-self-locking steel ball inner bushing, 39-self-locking steel ball retainer, 40-locking structure retainer ring, 41-self-locking steel ball cover, 42-inner cover shell, 43-steel ball, 44-motor cover shell, 45-motor guide plate, 46-material collecting plate, 47-splash guard, 48-vibrator, 49-optical axis support frame, 50-fixing plate, 381-chassis, 382-inner bushing frame, 383-isolation column, 384-through hole B, 391-blocking column and 392-notch.
Detailed Description
The present invention is further illustrated by the following figures and specific examples, which are to be understood as illustrative only and not as limiting the scope of the invention, which is to be given the full breadth of the appended claims and any and all equivalent modifications thereof which may occur to those skilled in the art upon reading the present specification.
The die carrier with the function of removing burrs of the workpiece comprises a die carrier system, a pressing system and a cutting system, wherein the cutting system comprises a power part, a rotating part, a floating part and a cutter, the workpiece is installed in the die carrier system and is pressed and fixed by the pressing system, the power part drives the rotating part to rotate, the cutter and the rotating part synchronously rotate around the workpiece, and the workpiece is cut by the cutter to remove burrs.
The die carrier system includes mould and lower mould that can separate, goes up the mould and includes cope match-plate pattern 1 and last die backing plate 2 on being located the perpendicular top of lower mould, goes up die backing plate 2 and is located the lower surface of cope match-plate pattern 1, and through 3 fixed connection of a plurality of locating pin. A through hole A4 is formed in the centers of the upper template 1 and the upper template 2, the through hole A4 is close to the middle and expands towards the periphery to form a first-order step shape, and is an expanded hole downwards from the step position, a rectangular spring A5 is axially sleeved in the expanded hole, a spring positioning rod 6 penetrates through the axial center of the rectangular spring A5, a gasket 7 is padded at the upper end of the rectangular spring A5, the periphery of the upper surface of the gasket 7 abuts against a step expansion platform at the top of the expanded hole, a nut 8 is arranged at the top of the spring positioning rod 6, the nut 8 abuts against the gasket 7, and the nut 8 is located in the through hole A4; a guide post 9 and a guide sleeve 10 are arranged between the upper die and the lower die, and the upper die is lifted through the guide post 9 and the guide sleeve 10 to realize die assembly and die disassembly of the die carrier system; the lower die comprises a lower bottom plate 11 and a lower template 12, and the guide sleeve 10 stands on the lower template 12. A plurality of limiting rods 13 are arranged below the upper template 1, and a heightening sheet 14 is arranged on the lower template 12 vertically below the limiting rods 13.
The material pressing system comprises a material pressing plate 15 and a material pressing plate base plate 16, the material pressing plate 15 and the material pressing plate base plate 16 are fixed through a positioning pin 17, the material pressing system is located below the upper die, a plurality of material pressing plate guide sleeves 18 are longitudinally arranged in the material pressing plate 15, a material pressing plate guide post 19 penetrates through the material pressing plate guide sleeves 18, the material pressing plate guide post 19 further penetrates through the material pressing plate base plate 16 and the upper die base plate 2, and a plurality of material pressing plate bolts 20 are arranged between the material pressing plate base plate and the upper die base plate.
The centers of the pressure plate 15 and the pressure plate backing plate 16 are provided with center holes coaxial with a through hole A4 at the center of the upper die, the spring positioning rod 6 is inserted into the center hole of the pressure plate backing plate 16, and the rotation stop pressing block 21 is arranged in the center hole of the pressure plate 15.
In the implementation process, the position of the cutter is fixed, so that the material pressing system needs to have certain floating capacity and the characteristics of stability and adjustability; and because the product core rod is thin and long, a better positioning device is needed for stable rotation stopping positioning. In order to realize three functions of floating, adjusting and positioning, a pressure plate with floating capacity is designed, four limiting rods are matched to stabilize the position of a bottom dead center, and an adjustable gasket is placed below the pressure plate to realize the adjustment of the height position. Five strength springs are arranged on the pressure plate to provide a pressure source during cutting. Four pressure plate guide columns and guide sleeves and a rotation-stopping positioning tool are additionally arranged on the pressure plate and are used for assisting in positioning a product.
The power part comprises a motor 22, an output shaft of the motor 22 is connected with a coupler 23 and is connected with a straight bevel gear 24 through the coupler 23, one side of the straight bevel gear 24, facing the coupler 23, is provided with a connecting shaft 25, the connecting shaft 25 is sleeved in a bearing 26, and the bearing 26 is fixedly arranged on the lower template 12 through a bearing support 27. In operation, motor 22 rotates, and motor 22 rotates to rotate helical gear 24, which in turn rotates the rotating main core. The main cores are rotated main core shafts A, B and C. Rotating the main core to drive a cutter D; and the cutter D finishes cutting the workpiece.
The floating part comprises a rectangular spring B28 for floating, a rotation-stopping core rod 29, a core rod sleeve 30, a core rod heightening block 31 and a floating ring 32, a step through hole is formed in the center of the lower base plate 11 and comprises an upper section with a large aperture and a lower section with a small aperture, the rectangular spring B28 is arranged in the step through hole, spring cushion blocks 33 are arranged at the upper end and the lower end of the rectangular spring B28, the core rod heightening block 31 with the same diameter as the step through hole is arranged at the large aperture end of the step through hole, a circular groove is formed in the downward surface of the core rod heightening block 31, the rectangular spring B28 and the spring cushion block at the top of the rectangular spring B28 are arranged in the circular groove, the rotation-stopping core rod 29 and the core rod sleeve 30 are positioned on the rotation-stopping core rod heightening block 31, the core rod sleeve 30 is sleeved outside the rotation-stopping core rod.
The operation of the float section is as follows: when the manipulator puts the workpiece into the rotation stopping core bar 29, the workpiece is supported by the floating ring 32 and is not contacted with the cutter D; pressing down the material pressing system, pressing down the workpiece and the floating ring 32 together, and contacting the workpiece with the cutter D to form a cutting process; after cutting, the pressing system is lifted, the workpiece is supported by the floating ring 32 from elastic force to be separated from the blade, and cutting is finished; and the workpiece is conveyed to the next station by a manipulator.
The rotating part comprises a straight bevel gear disc 34 meshed with a straight bevel gear 24, the straight bevel gear disc 34 is sleeved outside a core rod sleeve 30, a main mandrel B is arranged below the straight bevel gear disc 34 and surrounds a core rod heightening block 31, tapered roller bearings 35 are arranged around the main mandrel B, a main mandrel C and a main mandrel A are arranged above the straight bevel gear disc 34 and fixed through pins, a ball bearing sleeve 36 is sleeved around the main mandrel A, a ball bearing positioning disc 37 is arranged outside the ball bearing sleeve 36, the ball bearing positioning disc 37 is fixed with a lower template 12 through a cushion block, a cutter D is arranged in the center of the main mandrel A, and the cutter D is sleeved outside a floating ring 32 and connected with the main mandrel A through a self-locking mechanism in a locking mode. The rotating parts run synchronously during machining. The ball bearing sleeve 36 and the tapered roller bearing 35 are effective in reducing component wear.
The self-locking mechanism comprises a self-locking steel ball inner bushing 38, a self-locking steel ball retainer 39, a locking structure retainer ring 40, a self-locking steel ball cover 41, an inner cover shell 42 and steel balls 43; the self-locking steel ball inner bushing 38 surrounds the cutter D, and the self-locking steel ball retainer 39 is arranged on the self-locking steel ball inner bushing 38; the locking structure retainer ring 40 is fixed on the self-locking steel ball retainer 39, and the self-locking steel ball cover 41 covers the self-locking steel ball inner bushing 38 and the self-locking steel ball retainer 39 and is flush with the locking structure retainer ring 40; the inner housing 42 covers the locking structure retainer ring 40; the inner ring of the main mandrel A is in a three-step shape; the outer ring structures of the locking structure retainer ring 40, the self-locking steel ball retainer 39 and the self-locking steel ball inner bushing 38 are stacked in a step shape and are matched with the main mandrel A; the self-locking steel ball inner bushing 38 is fixed on the main mandrel A through a pin;
the outer wall of the cutter D is provided with a circle of steel ball limiting grooves, and the self-locking steel ball inner bushing 38 comprises a circular chassis 381 and an inner bushing frame 382 arranged on the chassis; a plurality of isolation columns 383 protruding outwards are uniformly distributed on the outer ring of the inner lining sleeve frame 382; a plurality of through holes B384 through which the steel balls roll into or out of the limiting grooves are formed in the side wall of the lining sleeve frame; through-hole B384 is next to isolation post 383; the limiting groove is correspondingly overlapped with the through hole B384;
the self-locking steel ball retainer 39 is annular, and a plurality of blocking columns 391 are uniformly distributed on the inner ring of the self-locking steel ball retainer; gaps 392 corresponding to the isolation columns are arranged between the blocking columns 391; the edge of the gap forms a 3 shape; the side with larger space is an avoidance area R; the other side with smaller space is a locking area S, the space of the avoidance area is larger than the volume of the steel balls, and the space of the locking area is smaller than the volume of the steel balls; the isolation column swings between the notches; when the isolating column swings to the locking area, one part of the steel ball is positioned in the locking area; the other part enters the limiting groove from the through hole B384 to realize the locking of the cutter; when the isolation column swings to the avoidance area, the steel balls roll out of the limiting groove to the avoidance area, and the cutter is loosened.
The process of tool unlocking and self-locking is as follows:
1. and screwing out the large-head cone angle type positioning pins for fixing the inner cover shell and the locking mechanism check ring so as to separate the connection of the large-head cone angle type positioning pins and the locking mechanism check ring. The components such as the inner cover shell, the self-locking steel ball cover, the locking structure retainer ring, the self-locking steel ball retainer and the like rotate at a small angle after separation.
2. The self-locking device cover plate is rotated by a certain angle in the anticlockwise direction by utilizing the part raised by the large-head cone-angle positioning pin, and the locking structure retainer ring and the self-locking steel ball retainer are simultaneously rotated by a certain angle; the self-locking steel ball inner bushing and the self-locking steel ball retainer are unscrewed for an angle.
3. The handle of the cutter is pulled upwards, and the steel balls slide into the avoiding area where the self-locking steel ball lining and the self-locking steel ball retainer are unscrewed under the action of the handle. The handle of a knife upwards pulls out, and the handle of a knife pulls out the major structure.
4. When the cutter is installed, the cutter handle is placed in the butt joint port, and the cutter handle is pressed downwards to a sticking state after the positions of 3 limiting pins (the inner cover and the self-locking steel ball cover 41 are fixed through the three limiting pins) of the upper inner cover and the self-locking steel ball cover are butted.
5. The inner cover shell and the like are rotated by an angle clockwise by the large-head cone-angle positioning pin, the steel balls are restored to the fixed positions again under the use of the self-locking steel ball retainer and the self-locking steel ball inner bushing, and the inner part of the steel balls extends out of the self-locking steel ball inner bushing to fix the tool holder, so that the state of locking the tool holder is achieved. Namely: the blocking column 391 rotates clockwise, so that the steel balls enter the locking area, one part of the steel balls is reserved in the locking area, and the other part of the steel balls extends into the limiting groove of the cutter through the through hole B384.
Still include the mechanism that gathers materials, the mechanism that gathers materials includes motor housing 44, motor stock guide 45, the aggregate dish 46, keep off the material cover 47, vibrator 48 and optical axis support frame 49, the output shaft end of motor is provided with fixed plate 50, fixed plate 50 is provided with motor housing 44 towards rotating part's one side level, motor housing 44 covers on the straight helical gear, the last inner cover shell 42 of having laid of self-locking mechanism, the inner cover shell surrounds all around and is provided with outer housing 51, aggregate dish 46 is connected to outer housing 51, be provided with the motor stock guide between aggregate dish 46 and the motor housing 44, aggregate dish below sets up vibrator 48, aggregate dish 46 one side is provided with the aggregate dish export, the aggregate dish 46 is last to surround there is keep off the material cover 52.
A plurality of limiting rods are arranged below the upper template, heightening pieces are arranged on the lower template below the limiting rods in a perpendicular mode, and the material blocking cover 53 is arranged below the material pressing plate.
The method for deburring the die carrier specifically comprises the following steps:
the method comprises the following steps: carrying in a workpiece: the die carrier is in the top dead center position, and the manipulator snatchs the work piece, puts into the top location and the spline of the core bar that splines. At the moment, the motor is in a starting state, the motor drives the rotating part to rotate, the cutter also synchronously rotates, and the workpiece is supported by the floating ring to float above the cutter and is not in contact with the cutter;
step two: contacting the cutter: pressing down the upper die, enabling the rotation stopping pressing block to be in contact with the workpiece, enabling the rotation stopping pressing block to be involved in auxiliary positioning, pressing down until the surface to be cut of the workpiece is in contact with the cutter, and cutting the workpiece;
step three: finishing cutting: the die carrier is pressed down to a bottom dead center, the workpiece is pressed tightly by the pressing plate, the rectangular spring A is compressed to provide pressing force, the pressing force reaches the final position of the workpiece needing to be cut under the action of the limiting rod, and the cut scrap iron is thrown to the material blocking cover, falls into the material collecting disc and is discharged in a vibrating manner;
step four: disengaging the cutter: the die carrier moves upwards, the compression amount of a rectangular spring A on the material pressing plate is reduced, the material pressing force is gradually unloaded until the floating ring supports the workpiece, the workpiece is separated from the cutter, and the rotation stopping pressing block is separated from the workpiece;
step five: carrying out a workpiece: and the mechanical arm grabs the processed workpiece and transfers the workpiece away. Meanwhile, the other manipulator carries the workpiece to be processed into the placing position of the rotation stopping core rod, and the operation is circulated in sequence.
This embodiment flattening compresses the overall device height to within 110 a, the frame structure (containing tray and body without motor) diameter to within 240 a, and the body structure diameter to within 190 a.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The die carrier with the function of removing burrs of a workpiece comprises a die carrier system and a pressing system and is characterized by further comprising a cutting system, wherein the cutting system comprises a power part, a rotating part, a floating part and a cutter;
the die carrier system comprises an upper die and a lower die which can be separated, the upper die is positioned vertically above the lower die, a guide pillar and a guide sleeve are arranged between the upper die and the lower die, and the upper die is lifted through the guide pillar and the guide sleeve to realize die assembly and die disassembly of the die carrier system;
the upper die comprises an upper die plate and an upper die base plate, the upper die base plate is positioned on the lower surface of the upper die plate and is fixedly connected with the upper die plate through a plurality of positioning pins, a through hole A is formed in the centers of the upper die plate and the upper die base plate, the through hole A is close to the middle part and expands towards the periphery to form a step shape, expanding holes are formed downwards from the step position, a rectangular spring A is axially sleeved in each expanding hole, a spring positioning rod penetrates through the axial center of the rectangular spring A, a gasket is arranged at the upper end of the rectangular spring A, the periphery of the upper surface of the gasket abuts against a step expanding platform at the top of each expanding hole, a nut is arranged at the top of each spring positioning rod and abuts against the corresponding gasket, and the nut is;
the lower die comprises a lower bottom plate and a lower template, and the guide sleeve stands on the lower template;
the pressing system comprises a pressing plate and a pressing plate backing plate, the pressing plate and the pressing plate backing plate are fixed through a positioning pin, the pressing system is positioned below the upper die, a plurality of pressing plate guide sleeves are longitudinally arranged in the pressing plate, pressing plate guide pillars penetrate through the pressing plate guide sleeves, the pressing plate guide pillars further penetrate through the pressing plate backing plate and the upper die backing plate, a plurality of elastic elements are arranged between the pressing plate backing plate and the upper die backing plate, and the elastic elements are pulled through a plurality of pressing plate bolts fixed between the pressing plate and the upper die backing plate;
the centers of the pressure plate and the pressure plate backing plate are provided with center holes coaxial with the through hole A in the center of the upper die, the spring positioning rod is inserted into the center hole of the pressure plate backing plate, and the rotation stopping pressing block is arranged in the center hole of the pressure plate;
the power part comprises a motor, an output shaft of the motor is connected with a coupler, the output shaft is connected with a straight bevel gear through the coupler, one side of the straight bevel gear, which faces the coupler, is provided with a connecting shaft, the connecting shaft is sleeved in a bearing, and the bearing is fixedly arranged on the lower template through a bearing support;
the floating part comprises a rectangular spring B, a rotation-stopping core rod, a core rod sleeve, a core rod heightening block and a floating ring, wherein a step through hole is formed in the center of the lower base plate and comprises an upper section with a large aperture and a lower section with a small aperture, the rectangular spring B is arranged in the step through hole, spring cushion blocks are arranged at the upper end and the lower end of the rectangular spring B, the large aperture end of the step through hole is provided with the core rod heightening block with the same diameter as the step through hole, a circular groove is formed in the downward surface of the core rod heightening block, the rectangular spring B and the spring cushion block at the top of the rectangular spring B are arranged in the circular groove, the rotation-stopping core rod and the core rod sleeve are positioned on the core rod heightening block, the core rod sleeve is sleeved outside the rotation-stopping core rod, and the;
the rotating part comprises a straight bevel gear disc meshed with a straight bevel gear, the straight bevel gear disc is sleeved outside a core rod sleeve, a main mandrel B is arranged below the straight bevel gear disc, the main mandrel B surrounds the periphery of a core rod heightening block, tapered roller bearings are arranged on the periphery of the main mandrel B, a main mandrel C and a main mandrel A are arranged above the straight bevel gear disc, the main mandrel C and the main mandrel A are fixed through pins, a ball bearing sleeve is sleeved on the periphery of the main mandrel A, a ball bearing positioning disc is arranged outside the ball bearing sleeve, the ball bearing positioning disc is fixed with a lower template through a cushion block, a cutter is arranged in the center of the main mandrel A, and the cutter is sleeved outside a floating ring and is connected with the main mandrel A through a self-locking mechanism in a locking manner;
the self-locking mechanism comprises a self-locking steel ball inner bushing, a self-locking steel ball retainer, a locking structure check ring, a self-locking steel ball cover, an inner cover shell and steel balls; the self-locking steel ball inner bushing surrounds the cutter, and the self-locking steel ball retainer is arranged on the self-locking steel ball inner bushing; the self-locking steel ball cover covers the self-locking steel ball inner bushing and the self-locking steel ball retainer and is flush with the locking structure retainer ring; the inner cover shell covers the locking structure retainer ring; the inner ring of the main mandrel A is in a three-step shape; the outer ring structures of the locking structure retainer ring, the self-locking steel ball retainer and the self-locking steel ball inner bushing are stacked in a step shape and are matched with the main mandrel A; the self-locking steel ball inner bushing is fixed on the main mandrel A through a pin;
the outer wall of the cutter is provided with a circle of limiting grooves for steel balls, and the self-locking steel ball inner bushing comprises a circular chassis and an inner bushing frame arranged on the chassis; a plurality of isolation columns which protrude outwards are uniformly distributed on the outer ring of the lining sleeve frame; the side wall of the lining sleeve frame is provided with a plurality of through holes B for rolling steel balls into or out of the limiting groove; the through hole B is adjacent to the isolation column; the limiting groove is correspondingly overlapped with the through hole B;
the self-locking steel ball retainer is annular, and a plurality of blocking columns are uniformly distributed on the inner ring of the self-locking steel ball retainer; gaps corresponding to the isolation columns are formed among the blocking columns; the edge of the notch forms a 3 shape; the side with larger space is an avoidance area; the other side with smaller space is a locking area, the space of the avoidance area is larger than the volume of the steel balls, and the space of the locking area is smaller than the volume of the steel balls; the isolation column swings between the notches; when the isolating column swings to the locking area, one part of the steel ball is positioned in the locking area; the other part enters the limiting groove from the through hole B to realize the locking of the cutter; when the isolation column swings to the avoidance area, the steel balls roll out of the limiting groove to the avoidance area, and the cutter is loosened.
2. The die carrier with the function of removing burrs from a workpiece according to claim 1, further comprising a material collecting mechanism, wherein the material collecting mechanism comprises a motor housing, a motor material guide plate, a material collecting disc, a material blocking cover, a vibrator and an optical axis support frame, a fixing plate is arranged at an output shaft end of the motor, the motor housing is horizontally arranged on one side of the fixing plate facing the rotating part and is covered on the straight bevel gear,
an inner cover shell is laid on the self-locking mechanism, an outer cover shell surrounds the inner cover shell, the outer cover shell is connected with a material collecting plate, a motor material guide plate is arranged between the material collecting plate and the motor cover shell, a vibrator is arranged below the material collecting plate, a material collecting plate outlet is arranged on one side of the material collecting plate, and a material blocking cover surrounds the material collecting plate.
3. The die carrier with the function of removing burrs from a workpiece according to claim 2, wherein a plurality of limiting rods are arranged below the upper die plate, a heightening piece is arranged on the lower die plate vertically below the limiting rods, and the material blocking cover is fixedly arranged below the material pressing plate.
4. The method for deburring the die carrier is characterized by being based on the die carrier with the function of removing the burrs of the workpiece, and specifically comprising the following steps of:
the method comprises the following steps: carrying in a workpiece: the die carrier is positioned at the position of an upper dead point, the manipulator grabs the workpiece, and the top of the rotation stopping core rod is placed for positioning and rotation stopping; at the moment, the motor is in a starting state, the motor drives the rotating part to rotate, the cutter also synchronously rotates, and the workpiece is supported by the floating ring to float above the cutter and is not in contact with the cutter;
step two: contacting the cutter: pressing down the upper die, enabling the rotation stopping pressing block to be in contact with the workpiece, enabling the rotation stopping pressing block to be involved in auxiliary positioning, pressing down until the surface to be cut of the workpiece is in contact with the cutter, and cutting the workpiece;
step three: finishing cutting: the die carrier is pressed down to a bottom dead center, the workpiece is pressed tightly by the pressing plate, the rectangular spring A is compressed to provide pressing force, the pressing force reaches the final position of the workpiece needing to be cut under the action of the limiting rod, and the cut scrap iron is thrown to the material blocking cover, falls into the material collecting disc and is discharged in a vibrating manner;
step four: disengaging the cutter: the die carrier moves upwards, the compression amount of a rectangular spring A on the material pressing plate is reduced, the material pressing force is gradually unloaded until the floating ring supports the workpiece, the workpiece is separated from the cutter, and the rotation stopping pressing block is separated from the workpiece;
step five: carrying out a workpiece: the mechanical arm grabs the processed workpiece and transfers the workpiece; meanwhile, the other manipulator carries the workpiece to be processed into the placing position of the rotation stopping core rod, and the operation is circulated in sequence.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910666281.7A CN110385377B (en) | 2019-07-23 | 2019-07-23 | Die carrier with workpiece burr removing function and die carrier deburring method |
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| CN201910666281.7A CN110385377B (en) | 2019-07-23 | 2019-07-23 | Die carrier with workpiece burr removing function and die carrier deburring method |
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| CN110385377B true CN110385377B (en) | 2021-02-02 |
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| CN115229022A (en) * | 2022-07-18 | 2022-10-25 | 中国第一汽车股份有限公司 | Backing door stretching die material supporting device and method |
| CN117583669B (en) * | 2024-01-18 | 2024-04-26 | 江苏华日织带皮件有限公司 | Plastic mold deburring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105014157B (en) * | 2015-06-30 | 2017-08-15 | 浙江畅尔智能装备股份有限公司 | One kind rotation burr processing unit (plant) |
| CN205380316U (en) * | 2015-12-17 | 2016-07-13 | 浙江锋龙电气股份有限公司 | Fixture for deburring |
| CN106140748B (en) * | 2016-08-05 | 2018-04-10 | 陕西师范大学 | A kind of pipeline cleaning workbench |
| CN106734599B (en) * | 2016-11-29 | 2018-10-12 | 金牌模具（常熟）有限公司 | A kind of crowded inclination angle mold of pressing and bending |
| CN206305910U (en) * | 2016-12-22 | 2017-07-07 | 贵阳万江航空机电有限公司 | Reducing gearbox intracoelomic cavity deburring equipment |
| CN207695780U (en) * | 2017-12-06 | 2018-08-07 | 惠州千利电子有限公司 | Cavetto side device |
| CN208826225U (en) * | 2018-09-29 | 2019-05-07 | 郑州亨睿精密机械科技有限公司 | A kind of aluminum profile processing cutting flash grinding device |
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