CN220806234U - Double five-axis CNC turning and milling combined machining equipment for jewelry industry - Google Patents

Abstract

The utility model relates to double five-axis CNC turning and milling composite processing equipment for jewelry industry, which is used for processing a strip-shaped blank into a plurality of finished products, wherein the strip-shaped blank is clamped on a first clamping mechanism, a composite processing main shaft carries out turning and milling composite processing on a first end face of the strip-shaped blank, after the processing of the first end face is finished, a second clamping mechanism clamps the first end face of the strip-shaped blank, the composite processing main shaft cuts the first end face of the strip-shaped blank according to the preset width of the finished products, the second clamping mechanism enables the cut second end face to face upwards, and the composite processing main shaft carries out composite processing on the second end face until the processing of the finished products is finished. The finished product piece after the processing is taken down by the piece taking device and is placed in the finished product piece collecting box. The feeding device draws out the strip-shaped blank on the first clamping mechanism for a preset length, the composite machining main shaft starts turning and milling composite machining of the second finished product until the whole strip-shaped blank is machined, manual intervention is not needed in the whole production process, and production efficiency is improved.

Description

Double five-axis CNC turning and milling combined machining equipment for jewelry industry

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to double five-axis CNC turning and milling composite machining equipment for jewelry industry.

Background

The numerical control machine is a short name of a numerical control machine (Computer numerical control machine tools, CNC), and is an automatic machine provided with a program control system. The control system sends out various control signals to control the action of the machine tool, and the parts are automatically machined according to the shape and the size required by the drawing. The numerical control machine tool well solves the problems of complex, precise, small batch and multiple kinds of part processing, is a flexible and high-efficiency automatic machine tool, represents the development direction of the modern machine tool control technology, and is a typical electromechanical integrated product.

In the jewelry processing industry, as the outer surface of jewelry, ornaments, artworks and the like has more decorative patterns or cut sections, the processing technology is complex, when the jewelry is processed, a single product processing mode is generally adopted one by one, firstly, a large piece of blank is cut into small pieces of blank, one small piece of blank is additionally arranged on processing equipment each time, and after the processing equipment finishes processing one small piece of blank, the next small piece of blank is manually replaced. The production mode needs manual intervention and has low production efficiency.

Disclosure of utility model

In view of the foregoing, it is desirable to provide a dual five-axis CNC milling composite machining apparatus for the jewelry industry capable of automatically completing the production and machining of large bar blanks to finished parts by programming.

The double five-axis CNC turning and milling composite machining equipment is used for machining strip-shaped blanks into a plurality of finished products and comprises a CNC double five-axis machining center device, a composite machining main shaft, a feeding device, a piece taking device and a clamp replacing device, wherein a machining cutter is arranged on the composite machining main shaft; CNC is two five machining center devices include first fixture and the second fixture that set up side by side, first fixture is used for fixedly placing the bar blank, the second fixture is used for fixedly placing the finished product spare, compound processing main shaft processing is accomplished behind the first terminal surface of bar blank on the first fixture, with finished product spare car off bar blank, compound processing main shaft reprocessing the second terminal surface of finished product spare on the second fixture, after the processing is accomplished, the finished product spare that the pick-up device will process is followed on the second fixture.

Preferably, the CNC double five-axis machining center device further includes an X-axis module, a Y-axis module, and a Z-axis module, where the X-axis module and the Z-axis module are vertically disposed on a vertical plane, and the X-axis module, the Y-axis module, and the Z-axis module are vertically disposed two by two; the combined machining spindle, the feeding device, the pick-up device and the clamp replacing device are arranged on the Z-axis module in parallel, the feeding device, the pick-up device and the clamp are respectively arranged on two sides of the combined machining spindle, the X-axis module drives the combined machining spindle, the feeding device, the pick-up device and the clamp replacing device to horizontally move, and the Z-axis module drives the combined machining spindle, the feeding device, the pick-up device and the clamp replacing device to vertically move.

Preferably, the Y-axis module comprises a Y-axis servo motor, a Y-axis ball screw, a Y-axis linear guide rail and a Y-axis movable block, wherein the Y-axis servo motor drives the Y-axis movable block to move on the Y-axis linear guide rail along the Y-axis ball screw; the Y-axis movable block is provided with a first B-axis module and a second B-axis module in parallel, a second B-axis horizontal movement module is arranged below the second B-axis module, and the second B-axis horizontal movement module is used for driving the second B-axis module to horizontally move so as to adjust the distance between the second B-axis module and the first B-axis module.

Preferably, a first C-axis module is arranged at the output end of the first B-axis module, the first B-axis module drives the first C-axis module to rotate, the first clamping mechanism is arranged at the output end of the first C-axis module, the first C-axis module drives the first clamping mechanism to rotate, a first clamping jig is arranged on the first clamping mechanism, and the strip-shaped blank is arranged in the first clamping jig in a penetrating manner; the output of second B axle module is equipped with the second C axle module, the second B axle module drives the rotation of second C axle module, second fixture is located the output of second C axle module, the second C axle module drives the rotation of second fixture, be equipped with the second clamping jig on the second fixture, the finished product cover is located on the second clamping jig.

Preferably, a jig mounting platform is arranged on the second C-axis module, a plurality of second clamping jigs with different sizes are arranged on the jig mounting platform, and the second clamping jigs with different sizes are arranged on the second clamping mechanism so as to adapt to finished products with different sizes.

Preferably, the second clamping fixture is provided with a plurality of finished product clamping jaws, the finished product clamping jaws are arranged in a circular shape, a gap is reserved between two adjacent finished product clamping jaws, and each finished product clamping jaw has elasticity.

Preferably, the feeding device comprises a first lower pressing cylinder, a feeding clamping jaw and a feeding cylinder, wherein the first lower pressing cylinder is used for driving the feeding clamping jaw to move up and down, and the feeding cylinder is used for driving the feeding clamping jaw to shrink or expand so as to hold or loosen the strip-shaped blank.

Preferably, the picking device comprises a second pressing cylinder, a plurality of picking clamping jaws, a picking cylinder and a picking fixing piece, wherein the width of each picking clamping jaw is smaller than the width of a gap between the clamping jaws of the finished product, and the distance between two adjacent picking clamping jaws corresponds to the gap between the clamping jaws of the finished product; the picking cylinder is used for driving the picking clamping jaw to shrink or expand so as to grasp a finished product piece; the picking piece fixing piece is arranged at the centers of the plurality of picking piece clamping jaws and has elasticity so as not to damage a finished product piece; the second down-pressing cylinder is used for driving the picking clamping jaw and the picking fixing piece to move up and down.

Preferably, the fixture replacing device comprises a third pressing cylinder, a plurality of fixture clamping jaws, a fixture cylinder and a blowing head, wherein the fixture cylinder is used for driving the fixture clamping jaws to contract or expand so as to grasp or loosen the second clamping fixture; the blowing head is arranged among the plurality of clamp clamping jaws and is used for cleaning scraps on the second clamping jig; the third down-pressing cylinder is used for driving the clamp clamping jaw and the blowing head to move up and down.

Preferably, the cutter magazine assembly is mounted on an upright post of the equipment support, the cutter magazine assembly comprises a cutter magazine servo motor, a cam divider, a cutter magazine base plate and a rotary cutter head, the cutter magazine servo motor and the cam divider are mounted on two sides of the cutter magazine base plate respectively, the rotary cutter head rotates under the driving of the cutter magazine servo motor, the cam divider is used for controlling the rotation angle of the rotary cutter head, a plurality of clamping claws are mounted on the rotary cutter head, and the clamping claws are uniformly arranged on the same circumference taking the circle center of the rotary cutter head as the circle center, and the machining cutter is mounted on the clamping claws.

Preferably, the tool magazine assembly further comprises a finished part collecting box, wherein the finished part collecting box is arranged on the back face of the tool magazine assembly and is provided with an inclined top face, and the finished part collecting box is used for placing finished parts.

In the double-five-axis CNC turning and milling composite processing equipment for jewelry industry, the strip-shaped blank is clamped on the first clamping mechanism, the composite processing main shaft carries out milling composite processing on the first end face of the strip-shaped blank, after the first end face is processed, the second clamping mechanism clamps the first end face of the strip-shaped blank, the composite processing main shaft cuts the strip-shaped blank according to the preset width of a finished product piece, the second clamping mechanism enables the cut second end face to face upwards, and the composite processing main shaft carries out composite processing on the second end face until the processing of the finished product piece is completed. And the finished product piece taking device takes down the finished product piece which is processed and places the finished product piece in the finished product piece collecting box. The feeding device extracts the strip-shaped blank on the first clamping mechanism for a preset length, and the composite machining main shaft starts the turning and milling composite machining of the second finished product until the whole strip-shaped blank is machined, so that manual intervention is not needed in the whole production process, the production efficiency is improved, the working efficiency of CNC turning and milling composite machining equipment is improved, and the cost is reduced. The utility model has simple structure, easy realization, low cost and convenient popularization.

Drawings

Fig. 1 is a schematic structural diagram of a dual five-axis CNC turning and milling composite processing apparatus for jewelry industry according to an embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of an X-axis module and a Z-axis module of a dual five-axis CNC turning and milling composite processing apparatus for jewelry industry according to an embodiment of the present utility model.

Fig. 3 is a schematic structural diagram of a workbench, a Y-axis module, a B-axis module and a C-axis module of a dual five-axis CNC turning and milling composite processing device for jewelry industry according to an embodiment of the present utility model.

Fig. 4 is a schematic structural diagram of a Y-axis module, a B-axis module, and a C-axis module of a dual five-axis CNC turning and milling composite processing apparatus for jewelry industry according to an embodiment of the present utility model.

Fig. 5 is a schematic structural diagram of a feeding device of a dual five-axis CNC turning and milling composite processing apparatus for jewelry industry according to an embodiment of the present utility model.

Fig. 6 is a schematic structural diagram of a pick-off unit and a fixture replacement unit of a dual five-axis CNC turning and milling composite machining apparatus for jewelry industry according to an embodiment of the present utility model.

Fig. 7 is a schematic structural diagram of a pick-up device of a dual five-axis CNC turning and milling composite processing apparatus for jewelry industry according to an embodiment of the present utility model.

Fig. 8 is a schematic structural diagram of a fixture replacement device of a dual five-axis CNC turning and milling composite processing apparatus for jewelry industry according to an embodiment of the present utility model.

Fig. 9 is a schematic structural diagram of a tool magazine assembly of a dual five-axis CNC milling composite machining apparatus for jewelry industry according to an embodiment of the present utility model.

Fig. 10 is a schematic structural diagram of a finished part collecting box of a dual five-axis CNC turning and milling composite processing device for jewelry industry according to an embodiment of the present utility model.

Detailed Description

The present utility model will be described in detail with reference to specific embodiments and drawings.

Referring to fig. 1 to 10, a dual five-axis CNC turning and milling combined machining apparatus 100 for jewelry industry provided by an embodiment of the present utility model is used for machining a strip blank into a plurality of finished products, and includes a CNC dual five-axis machining center device 30, a combined machining spindle 40, a feeding device 50, a workpiece taking device 60 and a fixture replacing device 70, wherein a machining tool 41 is installed on the combined machining spindle 40; the CNC double five-axis machining center device 30 includes a first clamping mechanism 343 and a second clamping mechanism 353 which are arranged in parallel, the first clamping mechanism 343 is used for fixedly placing a bar-shaped blank, the second clamping mechanism 353 is used for fixedly placing a finished product, after the composite machining spindle 40 finishes machining a first end face of the bar-shaped blank on the first clamping mechanism 343, the finished product is turned away from the bar-shaped blank, the composite machining spindle 40 reprocesss a second end face of the finished product on the second clamping mechanism 353, and after machining is finished, the finished product is taken out from the second clamping mechanism 353 by the workpiece taking device 60.

Specifically, in the double five-axis CNC turning and milling composite machining equipment, turning and milling can be simultaneously realized, and after the finished product piece is turned, the machining surface precision is higher, and the jewelry surface is smoother and finer.

Preferably, the CNC dual five-axis machining center device 30 further includes an X-axis module 31, a Y-axis module 32, and a Z-axis module 33, where the X-axis module 31 and the Z-axis module 33 are vertically disposed on a vertical plane, and the X-axis module 31, the Y-axis module 32, and the Z-axis module 33 are vertically disposed two by two; the compound processing main shaft 40, the feeding device 50, the pick-up device 60 and the clamp replacing device 70 are arranged on the Z-axis module 33 in parallel, the feeding device 50, the pick-up device 60 and the clamp are respectively arranged on two sides of the compound processing main shaft 40, the X-axis module 31 drives the compound processing main shaft 40, the feeding device 50, the pick-up device 60 and the clamp replacing device 70 to horizontally move, and the Z-axis module 33 drives the compound processing main shaft 40, the feeding device 50, the pick-up device 60 and the clamp replacing device 70 to vertically move.

Specifically, the device comprises a workbench 10 and a device bracket 20 arranged on the workbench 10, wherein the device bracket 20 comprises a beam 21 and upright posts 22 at two ends of the beam 21, an X-axis module 31 is horizontally arranged on the beam 21, and a Z-axis module 33 is arranged on the X-axis module 31 and is driven by the X-axis module 31 to horizontally move; the Y-axis module 32 is disposed on the table 10 below the equipment support 20, and is disposed vertically between the X-axis module 31 and the Z-axis module.

Preferably, the Y-axis module 32 includes a Y-axis servo motor, a Y-axis ball screw, a Y-axis linear guide 323 and a Y-axis movable block 324, where the Y-axis servo motor drives the Y-axis movable block 324 to move along the Y-axis ball screw on the Y-axis linear guide 323; the Y-axis movable block 324 is provided with a first B-axis module 341 and a second B-axis module 351 in parallel, a second B-axis horizontal movement module 36 is arranged below the second B-axis module 351, and the second B-axis horizontal movement module 36 is used for driving the second B-axis module 351 to move horizontally so as to adjust the distance between the second B-axis module 351 and the first B-axis module 341.

Specifically, the second B-axis horizontal moving module 36 includes a horizontal servo motor 361, a horizontal ball screw, a horizontal linear guide 363, and a horizontal moving block 364, where the horizontal servo motor 361 drives the horizontal moving block 364 to move along the horizontal ball screw on the horizontal linear guide 363, the second B-axis module 351 is fixedly disposed on the horizontal moving block 364, and the second B-axis module 351 is driven by the second B-axis horizontal moving module 36 to move horizontally left and right.

Specifically, the Y-axis module 32 drives the first B-axis module 341 and the second B-axis module 351 to move back and forth synchronously in the horizontal direction, and the second B-axis horizontal movement module 36 drives the second B-axis module 351 to move left and right in the horizontal direction, so that the second B-axis module 351 is close to or far from the first B-axis module 341.

Preferably, a first C-axis module 342 is disposed at an output end of the first B-axis module 341, the first B-axis module 341 drives the first C-axis module 342 to rotate, the first clamping mechanism 343 is disposed at an output end of the first C-axis module 342, the first C-axis module 342 drives the first clamping mechanism 343 to rotate, a first clamping fixture is disposed on the first clamping mechanism 343, and a bar-shaped blank is inserted into the first clamping fixture; the output of second B axle module 351 is equipped with second C axle module 352, second B axle module 351 drives second C axle module 352 is rotatory, second fixture 353 is located the output of second C axle module 352, second C axle module 352 drives second fixture 353 is rotatory, be equipped with second fixture 355 on the second fixture 353, the finished product cover is located on the second fixture 355.

Specifically, the first B-axis module 341 and the second B-axis module 351 use the Y-axis direction as a rotation axis, the rotation axis of the first C-axis module 342 is perpendicular to the rotation axis of the first B-axis module 341, and the rotation axis of the second C-axis module 352 is perpendicular to the rotation axis of the second B-axis module 351.

Preferably, the second C-axis module 352 is provided with a jig mounting platform 354, the jig mounting platform 354 is provided with a plurality of second clamping jigs 355 with different sizes, and the second clamping jigs 355 with different sizes are arranged on the second clamping mechanism 353 so as to adapt to finished products with different sizes.

Preferably, the second clamping fixture 355 has a plurality of product clamping jaws 3551, a plurality of product clamping jaws 3551 are arranged in a circular shape, a gap is formed between two adjacent product clamping jaws 3551, and each product clamping jaw 3551 has elasticity.

Specifically, after the finished product piece is sleeved on the outer side of the top end of the second clamping fixture 355, each of the clamping jaws 3551 of the finished product piece is opened outwards, so that the finished product piece is fixedly arranged on the second clamping fixture 355.

Preferably, the feeding device 50 comprises a first pressing cylinder 51, a feeding clamping jaw 52 and a feeding cylinder 53, wherein the first pressing cylinder 51 is used for driving the feeding clamping jaw 52 to move up and down, and the feeding cylinder 53 is used for driving the feeding clamping jaw 52 to shrink or expand so as to hold or release the strip-shaped blank.

Specifically, when the processing length of the bar-shaped blank on the first clamping mechanism 343 is smaller than the required length, the first clamping mechanism 343 is made to face upwards, the first lower pressure cylinder 51 drives the feeding clamping jaw 52 to move downwards, the feeding cylinder 53 drives the feeding clamping jaw 52 to grip the top end of the bar-shaped blank, the first lower pressure cylinder 51 drives the feeding clamping jaw 52 to move upwards, after the bar-shaped blank is drawn out by a preset length, the feeding cylinder 53 enables the feeding clamping jaw 52 to loosen the bar-shaped blank, and the first lower pressure cylinder 51 continues to drive the feeding clamping jaw 52 to rise to a safe height.

Preferably, the pick-up device 60 includes a second pressing cylinder 61, a plurality of pick-up jaws 62, a pick-up cylinder 63, and a pick-up fixture 64, each of the pick-up jaws 62 has a width smaller than a width of a gap between the product jaws 3551, and a distance between two adjacent pick-up jaws 62 corresponds to the gap between the product jaws 3551; the picking cylinder 63 is used for driving the picking clamping jaw 62 to shrink or expand so as to grasp a finished product; the picking fixture 64 is arranged at the center of the plurality of picking jaws 62, and the picking fixture 64 has elasticity so as not to damage the finished product; the second pressing cylinder 61 is used for driving the picking claw 62 and the picking fixing element 64 to move up and down.

Specifically, in this embodiment, the plurality of picking jaws 62 are disposed on the same circumference, and the picking fixture 64 is disposed at the center of the circumference, that is, the plurality of picking jaws 62 are disposed around the picking fixture 64.

Specifically, the workpiece taking fixing member 64 has a bottom plate contacting with the finished workpiece, and the bottom plate is made of flexible materials such as rubber or silica gel, or an elastic member is arranged above the bottom plate, so that when the bottom plate contacts with the finished workpiece, the distance between the bottom plate and the workpiece taking clamping jaw 62 can be changed according to the height of the finished workpiece, and damage to the finished workpiece after processing is avoided.

Specifically, in this embodiment, the second clamping jig 355 has six finished product clamping jaws 3551, and six gaps are formed between the finished product clamping jaws 3551 in a circular arrangement, that is, a distance of 60 degrees between two adjacent gaps; the pick-up device 60 comprises three pick-up jaws 62, and two adjacent pick-up jaws 62 are 120 degrees apart; when picking up a piece, the picking up clamping jaw 62 aligns with the gap, the picking up cylinder 63 drives the picking up clamping jaw 62 to shrink, the picking up clamping jaw 62 is inserted from the bottom of the gap, the bottom plate contacts with the top end of a finished product piece, the picking up clamping jaw 62 and the fixing piece hold the finished product piece, and the second pressing cylinder 61 drives the picking up clamping jaw 62 and the picking up fixing piece 64 to move upwards, so that the finished product piece is separated from the second clamping fixture 355, and the picking up operation is completed.

Preferably, the jig replacing device 70 includes a third pressing cylinder 71, a plurality of jig jaws 72, a jig cylinder 73, and a blowing head 74, wherein the jig cylinder 73 is used for driving the plurality of jig jaws 72 to contract or expand to grasp or release the second clamping jig 355; the blowing head 74 is arranged among the plurality of clamp clamping jaws 72, and the blowing head 74 is used for cleaning scraps on the second clamping jig 355; the third pressing cylinder 71 is used for driving the clamp clamping jaw 72 and the blowing head 74 to move up and down.

Specifically, in this embodiment, the jig mounting platform 354 is disposed on an outer sidewall of the second C-axis module 352, when the second clamping jig 355 is replaced, the second B-axis module 351 drives the second C-axis module 352 to rotate, so that the jig mounting platform 354 faces upward, the third pressing cylinder 71 drives the clamping jaw 72 and the blowing head 74 to descend, the clamping cylinder 73 drives the clamping jaw 72 to shrink, so that the clamping jaw 72 grips the second clamping jig 355, the third pressing cylinder 71 drives the clamping jaw 72 and the blowing head 74 to ascend, the second clamping jig 355 is removed from the jig mounting platform 354, and the blowing head 74 blows air to the second clamping jig 355, so as to clean metal scraps on the second clamping jig 355; the second B-axis module 351 drives the second C-axis module 352 to rotate, so that the second clamping mechanism 353 faces upwards, the third pressing cylinder 71 drives the clamp clamping jaw 72 and the blowing head 74 to descend, the second clamping jig 355 is mounted on the second clamping mechanism 353, and the third pressing cylinder 71 drives the clamp clamping jaw 72 and the blowing head 74 to return to the safe position.

Preferably, the tool changer assembly 80 is mounted on the upright post 22 of the equipment bracket 20, the tool changer assembly 80 comprises a tool changer servo motor 81, a cam divider, a tool changer bottom plate 83 and a rotary cutter disc 84, the tool changer servo motor 81 and the cam divider are respectively mounted on two sides of the tool changer bottom plate 83, the rotary cutter disc 84 rotates under the driving of the tool changer servo motor 81, the cam divider is used for controlling the rotation angle of the rotary cutter disc 84, a plurality of clamping claws 85 are mounted on the rotary cutter disc 84, the clamping claws 85 are uniformly arranged on the same circumference taking the circle center of the rotary cutter disc 84 as the circle center, and the processing cutter 41 is mounted on the clamping claws 85.

Preferably, the tool magazine assembly further comprises a finished product collecting box 90, wherein the finished product collecting box 90 is arranged on the back surface of the tool magazine assembly 80, the finished product collecting box 90 is provided with an inclined top surface, and the finished product collecting box 90 is used for placing finished products.

Specifically, when the finished part is placed, the material taking device moves above the finished part collecting box 90, the second pressing cylinder 61 moves the material taking clamping jaw 62 and the material taking fixing part 64 above the finished part collecting box 90, and the material taking cylinder 63 opens the material taking clamping jaw 62, so that the finished part falls on the inclined top surface and slides into the box bottom along the inclined top surface.

Specifically, after the workpiece picking device 60 grips the workpiece, when the composite machining spindle 40 moves to the tool magazine assembly 80 to replace the machining tool 41, the workpiece picking device 60 moves above the workpiece collecting box 90, and at this time, the workpiece picking jaws 62 open to place the workpiece into the workpiece collecting box 90.

Specifically, the distance between the workpiece pick-up device 60 and the composite machining spindle 40 corresponds to the distance between the finished workpiece collection box 90 and the machining tool 41 on the rotary cutter disc 84, so that when the machining tool 41 is replaced by the composite machining spindle 40, the workpiece pick-up device 60 finishes finished workpiece collection, the occupied area of equipment is reduced, and the whole machine structure is more compact.

Specifically, the table 10 has a chip collecting hole 11, the chip collecting hole 11 is disposed below the first clamping mechanism 343 and the second clamping mechanism 353, and the chip collecting hole 11 is a funnel-shaped lower counter bore, so that machining chips are collected at the bottom of the chip collecting hole 11 along the inner side wall of the chip collecting hole 11.

Specifically, the scraps generated during workpiece processing fall into the scraps collecting holes 11 on the workbench 10, slide down along the inner side walls of the scraps collecting holes 11 to the bottoms of the scraps collecting holes 11, and the recovery rate of scraps is improved.

And a complete automatic production and processing technology for automatically processing the strip blank into a finished product by using the double five-axis CNC turning and milling composite processing equipment for jewelry industry, comprising the following specific steps:

In step S10, the strip-shaped blank is inserted into the first clamping mechanism 343, so that the length of the strip-shaped blank protruding out of the first clamping mechanism 343 is greater than the width of the finished product.

In step S11, the first B-axis module 341 drives the first C-axis module 342 to rotate, so that the jig mounting platform 354 faces upwards.

In step S12, the Z-axis module 33 drives the fixture replacing device 70 to move above the fixture mounting platform 354.

In step S13, the third pressing cylinder 71 drives the clamp jaw 72 and the blowing head 74 to move downward, and after the clamp jaw 72 grabs the second clamping tool 355 corresponding to the diameter of the bar-shaped blank, the third pressing cylinder 71 drives the clamp jaw 72 and the blowing head 74 to move upward.

In step S14, the air blowing head 74 blows air to the second clamping jig 355 grasped by the clamp jaws 72, and cleans the metal chips on the second clamping jig 355.

In step S15, the first B-axis module 341 drives the first C-axis module 342 to rotate, so that the second clamping mechanism 353 faces upwards.

In step S16, the third pressing cylinder 71 drives the clamp jaw 72 and the blowing head 74 to move downward, and the second clamping fixture 355 is mounted on the second clamping mechanism 353.

In step S17, the Z-axis module 33 drives the fixture replacing device 70 to move to the safe position.

Specifically, according to the diameter of the bar-shaped blank, a corresponding second clamping jig 355 is selected.

In step S20, the composite machining spindle 40 performs milling composite machining on the first end surface of the bar-shaped blank on the first clamping mechanism 343.

In step S30, the second clamping mechanism 353 grips the machined end surface of the bar-shaped blank, and the composite machining spindle 40 skips the finished product from the bar-shaped blank.

In step S31, the first B-axis module 341 drives the first C-axis module 342 to rotate, and the second B-axis module 351 drives the second C-axis module 352 to rotate, so that the first clamping mechanism 343 and the second clamping mechanism 353 are disposed opposite to each other.

In step S32, the second B-axis horizontal moving module 36 drives the second B-axis module 351 and the second C-axis module 352 to approach the first B-axis module 341 and the first C-axis module 342.

In step S33, the second clamping fixture 355 grips the processed first end surface.

In step S34, the composite machining spindle 40 cuts a finished part of a predetermined length from the bar-shaped blank using a turning tool.

In step S35, the second B-axis horizontal moving module 36 drives the second B-axis module 351 and the second C-axis module 352 to be far away from the first B-axis module 341 and the first C-axis module 342.

In step S36, the second B-axis module 351 drives the second C-axis module 352 to rotate, so that the second clamping fixture 355 and the finished part to be processed face upwards.

In step S40, the compound machining spindle 40 performs milling compound machining on the second end surface of the named piece on the second clamping mechanism 353.

In step S50, the pick-up device 60 picks up the finished workpiece from the second holding mechanism 353.

In step S60, when the machining tool 41 is replaced by the composite machining spindle 40, the pick-off unit 60 simultaneously places the finished product in the finished product collection box 90.

Step S70, checking whether the length of the strip-shaped blank protruding out of the first clamping mechanism 343 is larger than the width of the finished product, if not, the feeding device 50 extracts the strip-shaped blank by a preset length from the first clamping mechanism 343, and then, turning to step S20; if yes, go directly to step S20.

Step S80, checking whether the length of the strip-shaped blank penetrating through the first clamping mechanism 343 is larger than the width of the finished product, if not, ending the processing flow; if yes, the process goes to step S20.

In the dual five-axis CNC turning and milling combined machining device 100 for jewelry industry, the strip-shaped blank is clamped on the first clamping mechanism 343, the combined machining spindle 40 performs a milling combined machining on the first end face of the strip-shaped blank, after the first end face machining is completed, the second clamping mechanism 353 clamps the first end face of the strip-shaped blank, the combined machining spindle 40 cuts the first end face of the strip-shaped blank according to the preset width of the finished product, the second clamping mechanism 353 makes the cut second end face upward, and the combined machining spindle 40 performs a combined machining on the second end face until the machining of the finished product is completed. The pick-off unit 60 removes finished parts that have been processed and places them in the finished parts collection box 90. The feeding device 50 draws the bar-shaped blank on the first clamping mechanism 343 out by a predetermined length, and the composite processing spindle 40 starts the turning and milling composite processing of the second finished product until the whole bar-shaped blank is processed, so that manual intervention is not needed in the whole production process, the production efficiency is improved, the working efficiency of CNC turning and milling composite processing equipment is improved, and the cost is reduced. The utility model has simple structure, easy realization, low cost and convenient popularization.

It should be noted that the present utility model is not limited to the above embodiments, and those skilled in the art can make other changes according to the inventive spirit of the present utility model, and these changes according to the inventive spirit of the present utility model should be included in the scope of the present utility model as claimed.

Claims (10)

1. The double five-axis CNC turning and milling composite machining equipment for the jewelry industry is used for machining strip-shaped blanks into a plurality of finished products and is characterized by comprising a CNC double five-axis machining center device, a composite machining main shaft, a feeding device, a piece taking device and a clamp replacing device, wherein a machining tool is arranged on the composite machining main shaft; CNC is two five machining center devices include first fixture and the second fixture that set up side by side, first fixture is used for fixedly placing the bar blank, the second fixture is used for fixedly placing the finished product spare, compound processing main shaft processing is accomplished behind the first terminal surface of bar blank on the first fixture, with finished product spare car off bar blank, compound processing main shaft reprocessing the second terminal surface of finished product spare on the second fixture, after the processing is accomplished, the finished product spare that the pick-up device will process is followed on the second fixture.

2. The dual five-axis CNC turning and milling composite machining device for jewelry industry according to claim 1, wherein the CNC dual five-axis machining center device further comprises an X-axis module, a Y-axis module and a Z-axis module, wherein the X-axis module and the Z-axis module are vertically arranged on a vertical plane, and the X-axis module, the Y-axis module and the Z-axis module are vertically arranged in pairs; the combined machining spindle, the feeding device, the pick-up device and the clamp replacing device are arranged on the Z-axis module in parallel, the feeding device, the pick-up device and the clamp are respectively arranged on two sides of the combined machining spindle, the X-axis module drives the combined machining spindle, the feeding device, the pick-up device and the clamp replacing device to horizontally move, and the Z-axis module drives the combined machining spindle, the feeding device, the pick-up device and the clamp replacing device to vertically move.

3. The dual five-axis CNC turning and milling composite machining device for jewelry industry according to claim 2, wherein the Y-axis module comprises a Y-axis servo motor, a Y-axis ball screw, a Y-axis linear guide rail and a Y-axis movable block, wherein the Y-axis servo motor drives the Y-axis movable block to move on the Y-axis linear guide rail along the Y-axis ball screw; the Y-axis movable block is provided with a first B-axis module and a second B-axis module in parallel, a second B-axis horizontal movement module is arranged below the second B-axis module, and the second B-axis horizontal movement module is used for driving the second B-axis module to horizontally move so as to adjust the distance between the second B-axis module and the first B-axis module.

4. The dual five-axis CNC turning and milling combined machining device for jewelry industry according to claim 3, wherein a first C-axis module is arranged at the output end of the first B-axis module, the first B-axis module drives the first C-axis module to rotate, the first clamping mechanism is arranged at the output end of the first C-axis module, the first C-axis module drives the first clamping mechanism to rotate, a first clamping jig is arranged on the first clamping mechanism, and a bar-shaped blank is arranged in the first clamping jig in a penetrating manner; the output of second B axle module is equipped with the second C axle module, the second B axle module drives the rotation of second C axle module, second fixture is located the output of second C axle module, the second C axle module drives the rotation of second fixture, be equipped with the second clamping jig on the second fixture, the finished product cover is located on the second clamping jig.

5. The dual five-axis CNC turning and milling composite processing apparatus for jewelry industry of claim 4, wherein the second C-axis module is provided with a jig mounting platform, the jig mounting platform is provided with a plurality of second clamping jigs with different sizes, and the second clamping jigs with different sizes are arranged on the second clamping mechanism to adapt to finished products with different sizes.

6. The dual five axis CNC milling composite machine for the jewelry industry of claim 4, wherein the second clamping fixture has a plurality of finished part jaws arranged in a circular pattern with a gap between adjacent two of the finished part jaws, each of the finished part jaws having elasticity.

7. The dual five-axis CNC milling composite machine for the jewelry industry of claim 1, wherein the feeding device comprises a first hold-down cylinder, a feeding jaw and a feeding cylinder, the first hold-down cylinder is used for driving the feeding jaw to move up and down, and the feeding cylinder is used for driving the feeding jaw to shrink or expand so as to hold or release a bar-shaped blank.

8. The dual five-axis CNC milling composite machine for the jewelry industry of claim 6, wherein the pick-off unit comprises a second hold-down cylinder, a plurality of pick-off jaws, a pick-off cylinder and a pick-off fixture, each of the pick-off jaws having a width less than a width of a gap between the finished article jaws, a distance between two adjacent pick-off jaws corresponding to the gap between the finished article jaws; the picking cylinder is used for driving the picking clamping jaw to shrink or expand so as to grasp a finished product piece; the picking piece fixing piece is arranged at the centers of the plurality of picking piece clamping jaws and has elasticity so as not to damage a finished product piece; the second down-pressing cylinder is used for driving the picking clamping jaw and the picking fixing piece to move up and down.

9. The dual five-axis CNC turning and milling composite machining apparatus for jewelry industry of claim 5, wherein the jig replacing means comprises a third pressing cylinder, a plurality of jig jaws, a jig cylinder and a blowing head, the jig cylinder being adapted to drive the plurality of jig jaws to contract or expand to grasp or release the second clamping jig; the blowing head is arranged among the plurality of clamp clamping jaws and is used for cleaning scraps on the second clamping jig; the third down-pressing cylinder is used for driving the clamp clamping jaw and the blowing head to move up and down.

10. The double five-axis CNC turning and milling combined machining equipment for jewelry industry according to claim 1, further comprising a tool magazine assembly and a finished product collecting box, wherein the tool magazine assembly is installed on an upright post of an equipment bracket, the tool magazine assembly comprises a tool magazine servo motor, a cam divider, a tool magazine bottom plate and a rotary cutter head, the tool magazine servo motor and the cam divider are respectively installed on two sides of the tool magazine bottom plate, the rotary cutter head is driven by the tool magazine servo motor to rotate, the cam divider is used for controlling the rotation angle of the rotary cutter head, a plurality of clamping jaws are installed on the rotary cutter head, the clamping jaws are uniformly arranged on the same circumference taking the circle center of the rotary cutter head as the circle center, and the machining cutter is installed on the clamping jaws; the finished product collecting box is arranged on the back face of the tool magazine assembly and is provided with an inclined top face, and the finished product collecting box is used for placing finished products.