CN110732583A

CN110732583A - Rotary edge trimmer

Info

Publication number: CN110732583A
Application number: CN201910971646.7A
Authority: CN
Inventors: 陈宇
Original assignee: Wuxi Hengyitong Machinery Co Ltd
Current assignee: Wuxi Hengyitong Machinery Co Ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-01-31
Anticipated expiration: 2039-10-14
Also published as: CN110732583B

Abstract

The invention discloses rotary edge trimmers, which comprise a lower die component and an upper die component, wherein the upper die component is movably connected on the lower die component, the lower die component comprises a lower die seat, a female die mechanism and a plurality of edge trimming mechanisms are installed on the lower die seat, workpieces are sleeved on the female die mechanism, the edge trimming mechanisms are uniformly arranged on the outer sides of the workpieces in a surrounding mode, the upper die component comprises an upper die plate and a locking mechanism installed on the upper die plate, and a rotary positioning mechanism is also installed on the lower die component.

Description

Rotary edge trimmer

Technical Field

The invention relates to the field of hub machining, in particular to an hub rotary edge cutter.

Background

The hub, also called a rim, is a connecting part for fixing the blades to the rotating shaft and is also a main bearing member constituting the airplane wheel.

The hub is subjected to hot forging, a workpiece needs to be fixed on a machine tool for trimming and punching, and the operation method of is to perform trimming on the workpiece and then perform punching on the workpiece.

Disclosure of Invention

The invention mainly solves the technical problem of providing kinds of rotary edge cutters, which can accurately clamp and position workpieces, ensure that the workpieces do not shake, ensure that the workpieces can directionally rotate, and have simple structure, safety and reliability.

In order to solve the technical problems, technical schemes adopted by the invention are that rotary edge cutting machines are provided, each rotary edge cutting machine comprises a lower die assembly and an upper die assembly, the upper die assembly is movably connected to the lower die assembly, the lower die assembly comprises a lower die base, a female die mechanism and a plurality of edge cutting mechanisms are mounted on the lower die base, a workpiece is sleeved on the female die mechanism, the edge cutting mechanisms are uniformly arranged on the outer side of the workpiece in a surrounding mode, the upper die assembly comprises an upper die plate and a locking mechanism mounted on the upper die plate, the locking mechanism comprises a locking base mounted on the lower end face of the lower die base, a plurality of locking blocks are uniformly distributed on the inner side of the locking base in the circumferential direction, the locking blocks are connected through elastic pieces in the circumferential direction and are located on the outer side of the workpiece, a guide plate penetrates through the axial direction of the locking base, the lower end of the guide plate is matched with and extends into a guide groove on the locking block, locking screws are also movably connected to the locking base, the lower ends of the locking screws are fastened to the locking blocks and connected with the locking blocks through locking screws, the locking blocks and the locking blocks move relative to the locking base through the locking screws, the locking mechanisms, the locking blocks are arranged to enable the locking blocks to move along the radial direction to enable the driving gears to drive the inner sides of the locking mechanism to rotate, the driving gears to drive the driving heads of the driving gears to rotate through the driving mechanism, the driving gears, the driving mechanism, the driving gears to drive the driving gears to move along the inner ring of the driving mechanism, the driving gears to drive the driving gears to.

In preferred embodiments of the present invention, the trimming mechanism includes a slider, the front end of the slider is connected with a punch for punching a workpiece, the slider is slidably disposed in a sliding slot on the lower die holder, and the upper die plate is provided with an upper slotting tool which contacts with the slider to push the slider to move forward.

In preferred embodiments of the present invention, an elastic reset element is further installed between the lower die holder and the slide block, and the upper slotting tool is separated from the slide block so that the elastic reset element drives the slide block to reset.

In preferred embodiments of the present invention, the slider has a mating push ramp between its upper end surface and the lower end surface of the lower blade.

In preferred embodiments of the present invention, the rear end of the sliding groove is further provided with a limiting block for limiting the position of the sliding block.

In preferred embodiments of the present invention, the bottom surface of the female die mechanism is provided with radially arranged mounting grooves, the elastic member and the latch are arranged in the mounting grooves, and the end of the fourth elastic member is connected to the central part of the female die mechanism, and the end is connected to the latch.

In preferred embodiments of the invention, the transmission mechanism comprises a guide base, a guide strip connected with the driving head is arranged on the guide base, the guide strip is arranged on the guide rail and drives the guide strip to reciprocate through the driving head, and the guide strip is provided with a tooth surface which is meshed with the transmission gear.

In preferred embodiments of the present invention, the front end of the rack is provided with a limit post.

In preferred embodiments of the present invention, the locking block has an inner side having a locking surface for engaging with the workpiece, an outer side having an inclined contact surface, the locking seat has a pressing surface for engaging with the contact surface, the locking seat moves downward to make the pressing surface engage with the contact surface to push the locking block to move radially inward, the locking seat moves upward to make the pressing surface separate from the contact surface, and the locking block is pushed by the elastic member to move radially outward.

In preferred embodiments of the present invention, the locking seat is further provided with a connecting plate inside, the connecting plate is provided with a plurality of third elastic members, an upper mold plate is arranged above the locking seat and the connecting plate, and the upper ends of the third elastic members are connected with the upper mold plate.

The invention has the beneficial effects that: the rotary edge trimmer can accurately clamp and position the workpiece, ensure that the workpiece does not shake, ensure that the workpiece can directionally rotate, and has the advantages of simple structure, safety and reliability.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is a perspective view of a preferred embodiment of the rotary edge trimmer of the present invention;

FIG. 2 is a front view of FIG. 1

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a schematic view of a portion of the structure of FIG. 1;

FIG. 5 is a top view of FIG. 4;

FIG. 6 is a schematic view of a portion of the structure of FIG. 1;

FIG. 7 is a schematic view of a portion of the structure of FIG. 6;

FIG. 8 is a schematic view of a portion of the structure of FIG. 1;

FIG. 9 is a front view of FIG. 8;

FIG. 10 is a schematic view of a portion of the structure of FIG. 9;

the parts in the drawing are marked as follows, 1, a lower die assembly, 11, a lower die holder, 1101, a sliding groove, 1102, a limiting block, 12, a die mechanism, 1201, a mounting groove, 1202, a fourth elastic piece, 1203, a clamping tongue, 13, a trimming mechanism, 1301, a sliding block, 1302, a punch, 1303, an elastic reset piece, 1304, a pushing inclined plane, 14, a workpiece, 15, a rotary positioning mechanism, 1501, a driving head, 1502, a transmission mechanism, 1503, a transmission gear, 1504, a limiting groove, 1505, a guide seat, 1506, a guide strip, 1507, a guide rail, 1508, a tooth surface, 1509, a limiting column, 2, an upper die assembly, 21, an upper die plate, 2101, an upper slotting cutter, 22, a locking mechanism, 2201, a locking seat, 2202, a locking block, 2203, a elastic piece, 2204, a guide plate, 2205, a guide groove, 2206, a locking screw, 2207, a locking surface, a 2208, a contact surface, 2209, a compression surface, a 2210, a second elastic piece, a 2211, a connecting plate, a 2212 and a.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only partial embodiments of the present invention, rather than all embodiments.

Referring to fig. 1 to 3, kinds of rotary edge trimmers include a lower die assembly 1 and an upper die assembly 2, the upper die assembly 2 is movably connected to the lower die assembly 1, the lower die assembly 1 includes a lower die base 11, a die mechanism 12 and a plurality of edge trimming mechanisms 13 are mounted on the lower die base 11, a workpiece 14 is sleeved on the die mechanism 12, and the edge trimming mechanisms 13 are uniformly arranged around the outer side of the workpiece 14.

Referring to fig. 4 and 5, the trimming mechanism 13 includes a slider 1301, a punch 1302 for punching the workpiece 14 is connected to the front end of the slider 1301, the slider 1301 is slidably disposed in a slide slot 1101 of the lower die holder 11, an upper slotting tool 2101 is disposed on the upper die plate 21, and the upper slotting tool 2101 contacts the slider 1301 to push the slider 1301 to move forward. An elastic reset part 1303 is further installed between the lower die holder 11 and the sliding block 1301, and the upper slotting tool 2101 is separated from the sliding block 1301, so that the elastic reset part 1303 drives the sliding block 1301 to reset. A matching push ramp 1304 is provided between the upper end surface of the slider 1301 and the lower end surface of the lower slotting tool 2101. The rear end of the sliding groove 1101 is also provided with a limiting block 1102 for limiting the position of the sliding block 1301.

In addition, referring to fig. 8 to 10, the upper die assembly 2 includes an upper die plate 21 and a locking mechanism 22 installed on the upper die plate 21, the locking mechanism 22 includes a locking seat 2201, a plurality of locking blocks 2202 are uniformly distributed on the inner side of the locking seat 2201 in the circumferential direction, the locking blocks 2202 are connected with each other in the circumferential direction through an -th elastic member 2203, the locking blocks 2202 are located on the outer side of the workpiece 14, a guide plate 2204 is arranged in the axial direction of the locking seat 2201 in a penetrating manner, the lower end of the guide plate 2204 is matched and extended into a guide groove 2205 on the locking block 2202, a locking screw 2206 is movably connected to the locking seat 2201, the lower end of the locking screw 2206 is fixedly connected to the locking block 2202, the locking block 2202 and the locking seat 2201 move relatively through the locking screw 2206, and the locking seat 2201 moves up and down relative to the locking block 2202 to lock or loosen.

The inner side of the locking block 2202 is provided with a locking surface 2207 matched with the workpiece 14, the outer side is provided with an inclined contact surface 2208, the locking seat 2201 is provided with a pressing surface 2209 matched with the contact surface 2208, the locking seat 2201 moves downwards to enable the pressing surface 2209 to be attached to the contact surface 2207 so as to push the locking block 2202 to move inwards in the radial direction, the locking seat 2201 moves upwards to enable the pressing surface 2209 to be separated from the contact surface 2207, and the locking block 2202 is pushed by an th elastic piece 2203 to move outwards in the radial direction.

The locking seat 2201 is provided with a second elastic piece 2210, the lower end of the second elastic piece 2210 is connected with the locking blocks 2202, the locking seat 2201 is connected with each locking block 2202 through two guide plates 2204 and two locking screws 2206, the adjacent locking blocks 2202 are connected through two elastic pieces 2203 arranged in parallel, a connecting plate 2211 is further arranged inside the locking seat 2201, a plurality of third elastic pieces 2212 are arranged on the connecting plate 2211, the upper end of each third elastic piece 2212 is connected with the upper die plate 21, the elastic pieces 2203, the second elastic pieces 2210 and the third elastic pieces 2212 are spring, disc spring and other similar elastic parts.

The upper template 21 drives the locking mechanism 22 to move downwards, in an initial state, due to the tension of an elastic piece 2203 of , the locking blocks 2202 are in a separated state, a workpiece 14 enters the inner side of the locking blocks 2202, the upper template 21 moves downwards to drive the locking seats 2201 to move downwards, the locking seats 2201 start to press the locking blocks 2202 downwards, pressing surfaces 2209 of the locking seats 2201 contact surfaces 2208 of the locking blocks 2202, under the guiding action of the guide plate 220, the locking seats 2201 press the locking blocks 2202 downwards to enable the locking blocks 2202 to move in the direction of the workpiece 14 in a contracting mode until the locking blocks 2202 press the workpiece 14 tightly, meanwhile, upper slotting knives 2101 on the upper template 21 move downwards, the upper slotting knives 2201 contact the slider 1301 and push the slider 1301 to move forwards, a punch 1302 on the slider 1301 processes the workpiece 14, after times of processing is completed, the upper template 21 moves upwards to drive the locking seats 2201 to separate from the locking blocks 2202 upwards, the locking blocks 2202 are separated from the workpiece 14 outwards, the locking blocks 2202 are opened by the elastic force between the locking blocks, the locking blocks 2202 are moved to enable the workpiece to enter a locking seats 2201 to move to be located on the workpiece 14 accurately, and then the workpiece to pass through the workpiece 14, and the workpiece is guaranteed to be located on the.

In addition, referring to fig. 6 and 7, a rotary positioning mechanism 15 is further installed on the lower die assembly 1, the rotary positioning mechanism 15 includes a driving head 1501, a transmission mechanism 1502 is installed on the driving head 1501, a transmission gear 1503 is meshed on the transmission mechanism 1502, the driving head 1501 drives the transmission mechanism 1502 to reciprocate to drive the transmission gear 1503 to rotate in a reciprocating manner, a plurality of circumferentially arranged limiting grooves 1504 are formed in an inner ring of the transmission gear 1530, a latch 1203 is connected to the radial direction of the die machine 12 through a fourth elastic member 1202, the latch 1203 is pushed into the limiting grooves 1504 by the fourth elastic member 1202, and the transmission mechanism drives the transmission gear 1503 to rotate in a reciprocating manner so that the latch 1203 rotates along with the transmission gear 1503 or the latch 1203 is separated from the limiting grooves.

The bottom surface of the female die mechanism 12 is provided with radially arranged mounting grooves 1201, the fourth elastic member 1202 and the latch 1203 are arranged in the mounting grooves 1201, the end of the fourth elastic member 1202 is connected to the central part of the female die mechanism 12, the end is connected with the latch 1203, the cross section of the clamping part of the latch 1203 and the limiting groove 1504 is in a wedge shape, and the fourth elastic member is a spring, a disc spring or a telescopic ejector rod.

The transmission mechanism 1502 includes a guide bar 1505, a guide bar 1506 is provided on the guide bar 1505 connected to the driving head 1501, the guide bar is disposed on the guide rail 1507 and drives the guide bar 1506 to reciprocate through the driving head, the guide bar 1506 has a tooth surface 1508, and the tooth surface 1508 is engaged with the transmission gear 1503. The front end of rack 1506 is equipped with spacing post 1509. The driving head 1501 is an air cylinder, a hydraulic cylinder or an electric push rod.

The driving head 1501 works to drive the guide bar 1506 to move forwards, the tooth surface 1508 of the guide bar 1506 advances and simultaneously drives the transmission gear 1503 to rotate anticlockwise, the radial direction of the female die mechanism 12 pushes the clamping tongue 1203 into the limiting groove 1504 in the inner ring of the transmission gear 1503 through the fourth elastic piece 1202, meanwhile, the female die mechanism 12 is driven by the transmission gear 1503 to start synchronous rotation, the guide bar 1506 stops rotating after the guide bar 1506 advances to the position of the limiting column 1509, then the driving head 1501 starts to retreat, the guide bar 1506 retreats synchronously, the transmission gear 1503 starts to rotate reversely, after the transmission gear 1503 rotates reversely, the clamping tongue 1203 is separated from the limiting groove by the pushing of the transmission gear 1503 due to the wedge-shaped cross section of the clamping part of the clamping tongue 1203 and the limiting groove 1504, at the moment, the female die mechanism 12 does not rotate along with the transmission gear 1503, the guide bar 1506 retreats to the initial position, times of rotation of the workpiece are completed, when the workpiece 14 needs to rotate again, the steps are repeated, the return force of the ratchet wheel cylinder and the return distance of the stop return distance of the workpiece can be unloaded, the.

The rotary edge cutting machine has the specific working principle that a female die mechanism 12 drives a workpiece 14 to move to a processing station, a driving head 1501 works to drive a guide bar 1506 to move forwards, a tooth surface 1508 of the guide bar 1506 advances and simultaneously drives a transmission gear 1503 to rotate anticlockwise, the radial direction of the female die mechanism 12 pushes a clamping tongue 1203 into a limiting groove 1504 in the inner ring of the transmission gear 1503 through a fourth elastic piece 1202, the female die mechanism 12 is driven by the transmission gear 1503 to start synchronous rotation, the guide bar 1506 stops rotating after advancing to a limiting column 1509 position, then the driving head 1501 starts to retreat and synchronously drives the guide bar 1506 to retreat, the transmission gear 1503 starts to reversely rotate, after the transmission gear 1503 reversely rotates, the clamping tongue 1203 is separated from the limiting groove 1504 due to the cross section of a clamping part of the clamping tongue 1203 and the limiting groove 1504, the clamping tongue 1203 is driven by the transmission gear 1503 to be separated from the limiting groove 1504, the female die mechanism 12 does not rotate along with the transmission gear, the guide bar retreats to an initial position, the guide bar retreats to a locking block 2202, the locking block 2202 is driven by the tension of an elastic piece 2203 to be in a separated state, the locking block 2202 is driven by a locking template locking block 21 of a locking block clamp, the locking block of a locking block clamp, the upper locking block of a lower sliding block of a sliding block, the sliding block of a sliding block 22014, the sliding block 22014, the sliding block of a sliding block 22014 is driven sliding block 2202, the sliding block 2202 is driven by the sliding block 2202, the sliding block 2202, the sliding block of a sliding block 22014, the sliding block 2202 is driven slide block 2202 is driven by the sliding block, the sliding block 2202, the sliding block 2202 is.

Different from the prior art, the rotary edge trimmer disclosed by the invention can be used for accurately clamping and positioning the workpiece, ensuring that the workpiece does not shake and can rotate directionally, and is simple in structure, safe and reliable.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

The utility model provides a kinds of rotatory bead cutter, including lower mould subassembly and last mould subassembly, go up mould subassembly swing joint under on the mould subassembly, its characterized in that, the lower mould subassembly includes the die holder, install die mechanism and a plurality of trimming mechanism on the die holder, the cover is equipped with the work piece in the die mechanism, trimming mechanism evenly encircles and sets up in the work piece outside, go up the mould subassembly and include the cope match-plate pattern and install the locking mechanism at the cope match-plate pattern, locking mechanism is including installing the locking seat of terminal surface under the die holder, the inboard circumference equipartition of locking seat has a plurality of latch segments, links to each other be connected through the elastic component between the circumference of latch segment to the latch segment is located the outside of work piece, wear to be equipped with the deflector in the axial of locking seat, the cooperation of deflector lower extreme stretches into the guide way on the latch segment, it has the locking screw still to go up swing joint on the locking seat, the lower extreme and the latch segment fastening connection of locking screw, through the relative motion of locking seat, the relative latch segment reciprocates and makes the latch segment loosen the latch segment along radial movement of locking or loosen the work piece, still install rotatory positioning mechanism drive gear, the drive gear drive the drive mechanism and rotate the drive gear head and pass through the drive gear on the drive mechanism in the drive slot on the drive slot of the reciprocal.
2. The rotary edge trimmer according to claim 1, wherein the edge cutting mechanism comprises a slide block, a punch for punching the workpiece is connected to the front end of the slide block, the slide block is slidably arranged in a sliding groove on the lower die base, and an upper slotting tool is arranged on the upper die plate and is in contact with the slide block to push the slide block to move forwards.
3. The rotary edge trimmer according to claim 2, wherein an elastic reset member is further mounted between the lower die holder and the slide block, and the upper slotting tool is separated from the slide block so that the elastic reset member drives the slide block to reset.
4. The rotary edge trimmer according to claim 3, wherein the upper end surface of the slider and the lower end surface of the lower plunge cutter have cooperating push ramps therebetween.
5. The rotary edge trimmer according to claim 4, wherein the rear end of the chute is further provided with a stopper for limiting the position of the slider.
6. The rotary edge trimmer according to any one of claims 1 to 5 and , wherein the bottom surface of the die mechanism is provided with radially arranged mounting grooves, the elastic members and the clamping tongues are arranged in the mounting grooves, and the end of the fourth elastic member is connected to the central part of the die mechanism, and the other end of the fourth elastic member is connected with the clamping tongues.
7. The rotary edge trimmer according to claim 6, wherein the transmission mechanism comprises a guide base, a guide strip connected with the driving head is arranged on the guide base, the guide strip is arranged on the guide rail and drives the guide strip to reciprocate through the driving head, and the guide strip is provided with a tooth surface which is meshed with the transmission gear.
8. The rotary edge trimmer of claim 6, wherein the front end of the rack is provided with a limit post.
9. The rotary edge trimmer of claim 6, wherein the locking block has a locking surface on an inner side for engaging the workpiece and an inclined contact surface on an outer side, the locking seat having a pressing surface for engaging the contact surface, the locking seat moving downwardly to engage the pressing surface with the contact surface to push the locking block radially inwardly, the locking seat moving upwardly to disengage the pressing surface from the contact surface, the locking block being pushed radially outwardly by the resilient member .
10. The rotary edge trimmer according to claim 9, wherein the locking seat is further provided with a connecting plate inside, the connecting plate is provided with a plurality of third elastic members, an upper die plate is arranged above the locking seat and the connecting plate, and the upper ends of the third elastic members are connected with the upper die plate.