CN110524068A - Bar feeding device - Google Patents
Bar feeding device Download PDFInfo
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- CN110524068A CN110524068A CN201910877144.8A CN201910877144A CN110524068A CN 110524068 A CN110524068 A CN 110524068A CN 201910877144 A CN201910877144 A CN 201910877144A CN 110524068 A CN110524068 A CN 110524068A
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- 230000007246 mechanism Effects 0.000 claims abstract description 115
- 238000003032 molecular docking Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 21
- 238000005096 rolling process Methods 0.000 claims description 17
- 239000007787 solid Substances 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G11/00—Feeding or discharging mechanisms combined with, or arranged in, or specially adapted for use in connection with, thread-cutting machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/06—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of pushers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reciprocating Conveyors (AREA)
- Turning (AREA)
Abstract
The present invention relates to a kind of production equipments of watch part.Purpose is to provide a kind of bar feeding device, which should have the characteristics that high degree of automation, reliable for operation, high production efficiency.Technical solution is: bar feeding device, it is characterised in that: the device includes that bar pusher and bar add mechanism；The bar pusher includes rack, is arranged on the rack guidance bar and the mobile guiding mechanism of push bracket, horizontally moveable push bracket, the advancement mechanism for driving push bracket to move forward, the withdrawing mechanism for driving push bracket to move back, the docking mechanism for being installed to bar in push bracket being located in guiding mechanism；The guiding mechanism includes the first sliding groove being horizontally fixed in rack and second sliding slot, fixed baffle and flapper, the folding cylinder for driving flapper to move horizontally that second sliding slot notch is arranged in.
Description
Technical field
The present invention relates to a kind of production equipment of watch part, specifically a kind of bar feeding device.
Background technique
Part inside mechanical watch be all tightened together by primary screw, and these screws mainly by bar (such as
SK4F it) is process, specific procedure of processing are as follows: be first pushed into lathe 70 bar 50 is horizontal, machine cut knife is by bar
It is processed into screw in end；(screw processed is fallen into after cutting off disengaging from bar after a screw is completed in machine tooling
In magazine), it needs to promote a distance to process next screw into machine tool chuck remaining bar continuation level, so
Iterative cycles can not be processed again up to when whole bar foreshortens to certain length, need to extract old bar at this time simultaneously
The bar more renewed continues to produce.Realize that the above process relies primarily on semi-automatic machine and manually operated cooperation at present,
Still lack a kind of full-automatic device that can continuously realize bar installation, promote, retreat with replacement, therefore needs further
Research and development.
Summary of the invention
The purpose of the present invention is overcoming the shortcomings of in above-mentioned background technique, provide a kind of bar feeding device, which is answered
Have the characteristics that high degree of automation, reliable for operation, high production efficiency.
The technical scheme is that
Bar feeding device, it is characterised in that: the device includes that bar pusher and bar add mechanism；
The bar pusher includes rack, be arranged on the rack guidance bar and the mobile guiding mechanism of push bracket, can
The push bracket that is located in moving horizontally in guiding mechanism, the advancement mechanism for driving push bracket to move forward, for driving push bracket to move back
Withdrawing mechanism, the docking mechanism for being installed to bar in push bracket；
The guiding mechanism includes the first sliding groove being horizontally fixed in rack and second sliding slot, is arranged in second sliding slot slot
The fixed baffle and flapper, the folding cylinder for driving flapper to move horizontally of mouth；
The withdrawing mechanism includes retreating motor, being mounted on the driving wheel retreated on machine shaft, be arranged on the rack
Pulley blocks, the first connecting rope being looped around on driving wheel and pulley blocks, the limited block fixed with the first connecting rope；
The advancement mechanism include be rotatably positioned rack left end rolling wheel, be arranged in below rack counterweight, twine
The third connection for being wound on rolling wheel wheel rim and connecting the second connecting rope of push bracket, be wrapped on rolling wheel blowout patche and connect counterweight
Rope；
The push bracket includes being slidably located in the first connecting rope and the pushing block fixed with the second connecting rope, vertical solid
The sleeve for being scheduled on the push plate of pushing block bottom, being fixed and being slided along sliding slot by push rod and push plate；The front end of the sleeve is set
There is the jack for inserting bar；
The docking mechanism includes being successively set between first sliding groove and second sliding slot and horizontally disposed a pair of first
Cylinder and a pair of second cylinder, the first cylinder are symmetrically fixed on rack two sides, and the second cylinder passes through connection frame axially slidably
Rack two sides symmetrically are located in, third cylinder is fixed on bottom of the frame and the piston rod of third cylinder is fixed with connection frame, the
One cylinder and the second cylinder are equipped with the fixture block for clamping bar or sleeve；
Bar addition mechanism setting including ratchet mechanism, is parallel to rack length direction arrangement in rack side
Several belt wheel mechanisms are rotatably positioned the biography that power is transmitted on the first mounting plate and between belt wheel mechanism and ratchet mechanism
Moving axis passes through the release cylinder of ratchet mechanism and transmission shaft driving pulley mechanism kinematic；
The belt wheel mechanism include first mounting plate fixed with rack side, the driving gear being fixed on transmission shaft,
It is rotatably positioned the conveyer belt of two belt wheels, encapsulation on two belt wheels on the first mounting plate；It is set on the conveyer belt
Have a single cog, driving gear be arranged below conveyer belt and with single side tooth engagement；
The release cylinder is fixed by the second mounting plate with rack；The ratchet mechanism includes being fixed on transmission shaft
Ratchet, one end are rotatably positioned the cylinder push plate that on transmission shaft and the other end is pushed by release cylinder, are rotatably positioned
Apply the tension spring of pulling force to the second mounting plate and pawl respectively with the pawl of ratchet cooperation, both ends in cylinder push plate.
The fixture block be equipped with it is several up and down interlaced arrangements clamping jaw, the clamping jaw for two fixture blocks being arranged symmetrically also interlock cloth
It sets.
The magazine for placing remaining material head is equipped with below the rack and docking mechanism；The first sliding groove right end is equipped with first
Sensor, second sliding slot left end are equipped with second sensor, and magazine is equipped with 3rd sensor, and fixed baffle is equipped with the 4th sensing
Device.
The docking mechanism further includes between the second cylinder and second sliding slot and horizontally disposed 4th cylinder.
The pulley blocks include two the first directive wheels and two the second directive wheels, and the first directive wheel can turn around vertical axis
It is located in rack both ends dynamicly, the setting of the second directive wheel is square on the drive wheel and can rotationally be located in rack around horizontal axis
Side；First connecting rope is looped around on the first directive wheel, the second directive wheel and driving wheel.
The advancement mechanism further includes two third directive wheels that rack side can be rotationally located in around horizontal axis, the
The one ends wound of three connecting ropes is on rolling wheel blowout patche and the other end is around counterweight is connected after third directive wheel, to pass through rolling wheel
The second connecting rope wound on wheel rim provides thrust to the push bracket for pushing bar.
It is equipped with the positioning plate for keeping billet position above the right side belt wheel of the belt wheel mechanism and lower section is equipped with guide rod
Expect the guide plate of scrolling position；The positioning plate is arc-shaped to match with belt wheel shape；The guide plate is in tilted layout.
The axis of the belt wheel is parallel to the length direction of rack.
The cylinder push plate is equipped with sliding groove, discharges the cylinder being fixed on the piston rod of cylinder across sliding groove and pushes away
Bar, push rod are equipped with for a pair of for pushing and pulling the fixture block of push plate.
Baffle is additionally provided between the belt wheel mechanism and ratchet mechanism；The baffle is solid by third mounting plate and rack
It is fixed.
The beneficial effects of the present invention are:
The present invention can be realized successively by bar pusher the movement such as send bar into lathe, pulls out lathe, then passes through
Bar discharges the automatic loading that structure realizes bar, it is achieved that the continuous production of bar processing, improves oneself of device
Dynamicization degree, ensure that reliability of operation, improves production efficiency and reduces production cost.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of bar pusher.
Fig. 2 is the backsight structural representation of bar pusher.
Fig. 3 is one of overlooking structure diagram of bar pusher (while being overlooking structure diagram of the invention).
Fig. 4 is the two of the overlooking structure diagram of bar pusher.
Fig. 5 is one of working state schematic representation of advancement mechanism and withdrawing mechanism (plan structure) in bar pusher.
Fig. 6 is two (plan structures) of the working state schematic representation of advancement mechanism and withdrawing mechanism in bar pusher.
Fig. 7 is three (plan structures) of the working state schematic representation of advancement mechanism and withdrawing mechanism in bar pusher.
Fig. 8 is the schematic view of the front view of push bracket in bar pusher.
Fig. 9 is the overlooking structure diagram of push bracket in bar pusher.
Figure 10 is the right side structural representation of push bracket in bar pusher.
Figure 11 is that (flapper and fixed baffle close one of right side structural representation of the second guide rail in bar pusher
Hold together).
Figure 12 is two (flapper and fixed baffles point of the right side structural representation of the second guide rail in bar pusher
It opens).
Figure 13 is the overlooking structure diagram of the first cylinder in bar pusher.
Figure 14 is the right side structural representation of the first cylinder in bar pusher.
Figure 15 is the right side structural representation of fixture block separated position in bar pusher.
Figure 16 is the right side structural representation of fixture block closed configuration in bar pusher.
Figure 17 is the overlooking structure diagram of bar addition mechanism.
Figure 18 is the overlooking structure diagram of belt wheel mechanism in bar addition mechanism.
Figure 19 is the right side structural representation of belt wheel mechanism in bar addition mechanism.
Figure 20 is the schematic view of the front view of baffle in bar addition mechanism.
Figure 21 is the right side structural representation of ratchet mechanism in bar addition mechanism.
Figure 22 is the right side structural representation (omitting ratchet) of ratchet mechanism in bar addition mechanism.
Figure 23 is the overlooking structure diagram of ratchet mechanism in bar addition mechanism.
Specific embodiment
Below in conjunction with Figure of description, the invention will be further described, but the invention is not limited to following embodiments.
Bar feeding device, including bar pusher and bar add mechanism, its working principle is that: bar adds mechanism
80 are fitted into bar 50 (about 200-250cm) in bar pusher 60, and lathe is sent into again in bar end by bar pusher
It is processed in 70, as soon as lathe often completes the process a screw, bar is continued horizontal push-in machine tool chuck by bar pusher
A distance (distance of a screw length)；When bar foreshortens to certain length, (about 20-30cm) becomes waste material, and bar pushes away
Waste material is extracted by material mechanism, and new bar is fitted into bar pusher by bar addition mechanism again, thereby realizes continuous life
It produces.
One, bar pusher
As shown in Figure 1, bar pusher, including (rack length is 6-8 meters to rack 40；Length direction is the left and right of Fig. 1
Direction) and it is respectively set guiding mechanism, push bracket, advancement mechanism, withdrawing mechanism and docking mechanism in rack.
The guiding mechanism setting is in frame top for guiding bar mobile.The guiding mechanism include first sliding groove 1,
Second sliding slot 2, fixed baffle 3, flapper 4 and folding cylinder 5.First sliding rail and the second sliding rail are horizontally fixed on rack
On, the top surface of the first sliding rail and the second sliding rail is equipped with sliding slot and the sliding slot of two sliding rails is coaxially arranged, the first sliding groove with
Second sliding slot is horizontally fixed in rack, first sliding groove and second sliding slot is coaxially arranged and two sliding slots between keep certain
Spacing.As shown in Figure 1, first sliding groove is fixed on the right side of rack, second sliding slot is fixed on the left of rack, and the left side of second sliding slot is also
Equipped with horizontally disposed positioning pipe 31 (pore of positioning pipe is directed at sliding slot).The folding cylinder passes through folding air cylinder support (figure
Middle omission) it is fixed with rack, fixed baffle and flapper are arranged in above the notch of second sliding slot, and fixed baffle is fixed on the
The right side (right side of Figure 11) of two sliding slot notches, flapper be arranged in the left side (left side of Figure 11) of second sliding slot notch and with
The piston rod of folding cylinder is fixed.The telescopic direction (vertical direction of Fig. 3) of the folding cylinder piston rod is perpendicular to rack
Length direction (horizontal direction of Fig. 3).The folding cylinder is for driving flapper to move horizontally, flapper and fixed gear
(certain gap is still kept between two baffles, the slideway mobile as push plate) when plate closes up, the notch of second sliding slot closes (stick
Material has been fallen into second sliding slot), the notch of second sliding slot is opened when flapper is separated with fixed baffle.Since bar is softer,
Bar easily deforms bending when push bracket pushes bar to move in axial direction in second sliding slot, and flapper and fixed baffle close
Bar deformation can be effectively limited when holding together.
The push bracket can be moved along guiding mechanism.As shown in figure 8, the push bracket includes pushing block 14, is fixed on and pushes away vertically
The fixed push rod 16 of push plate 15, horizontally disposed and right end (right end of Fig. 8) and the push plate of block bottom is fixed on push rod left end
The sleeve 17 of (left end of Fig. 8).The push plate and push rod are parallel to the length-wise axis of rack, and the outer diameter of sleeve is less than sliding slot
Internal diameter, the left end of sleeve is equipped with the jack for inserting bar, and the internal diameter of jack is slightly less than the outer diameter of bar, and cartridge exterior is set
There is several expansion joints (omitting in figure), in order to which sleeve can clamp bar.The sleeve is fixed by helicitic texture and push rod,
Different size of sleeve can thus be replaced to cooperate the bar of each model to use.As shown in figure 12, the push bracket is in Guiding machine
When moving in structure, sleeve and push rod are moved horizontally along the sliding slot of sliding rail, top (packet of the pushing block in first sliding groove and second sliding slot
Include the top of fixed baffle and flapper) it moves horizontally, push plate is then along slideway (by between flapper and fixed baffle
Gap is formed) it slides.
The withdrawing mechanism is for driving push bracket to move backward (push bracket moves horizontally to the right in Fig. 1).The withdrawing mechanism
Including retreating motor 6, driving wheel 7, pulley blocks, the first connecting rope 8, limited block 9.The retrogressing motor is fixed on bottom of the frame simultaneously
And be located at below first sliding groove, driving wheel, which is mounted on, to be retreated on machine shaft, and the first connecting rope is looped around driving wheel and pulley blocks
On, limited block is fixed with the first connecting rope.The pulley blocks include two the first directive wheels being rotatably positioned on the rack
28 and two the second directive wheels 29, two the first directive wheels are separately positioned on the both ends of rack length direction and pivot center is perpendicular
Straight arrangement, two the second directive wheels are arranged in the side of rack and are located at the top of driving wheel, turn of two the second directive wheels
Shaft line is horizontally disposed, and the first directive wheel and the second directive wheel are arranged in same level, and the first connecting rope is looped around
On one directive wheel, the second directive wheel and driving wheel.Limited block can be driven in two the first directive wheels when the retrogressing electric motor starting
Between move horizontally.The pushing block of the push bracket is slidably located in the right side (Fig. 1 in the first connecting rope and being located at limited block
Right side), push bracket level can move right under the drive of limited block.
The advancement mechanism is for driving push bracket to move forward (push bracket level is moved to the left in Fig. 1).The advancement mechanism
Including 13, two rolling wheel 10, counterweight 11, the second connecting rope 12, third connecting rope third directive wheels 30.The rolling wheel includes coaxial
Fixed wheel rim (the biggish position of outer diameter) and blowout patche (the lesser position of outer diameter), rolling wheel can be around levels by winding wheel frame 10.1
Axis location is arranged below rack in rack left end, counterweight, and third directive wheel can rotationally be located in rack around horizontal axis
Side, the one ends wound of the second connecting rope is on rolling wheel wheel rim and the other end connects push bracket, the one ends wound of third connecting rope
On rolling wheel blowout patche and the other end is around connecting counterweight after third directive wheel.Second connecting rope is with third connecting rope with phase
Opposite direction is wrapped on rolling wheel.The counterweight can apply a horizontal (left side of Fig. 1 to the left to push bracket by two connecting ropes and rolling wheel
Side) pulling force can also be configured according to the big ting model of bar different heavy to guarantee that bar has the horizontal trend being moved to the left
The counterweight of amount.
Bar can be installed in push bracket by the docking mechanism, can also extract bar from push bracket.The docking mechanism
Including a pair of first cylinder 18, a pair of second cylinder 19, third cylinder 21, the 4th cylinder 27, it is arranged in the first cylinder and second
Fixture block 22 on cylinder piston rod.
First cylinder, the second cylinder, the 4th cylinder are successively horizontally set between first sliding groove and second sliding slot simultaneously
And the telescopic direction of these cylinder piston rods is perpendicular to the length direction (i.e. the length direction of first sliding groove) of rack, each pair of first
Cylinder and each pair of second cylinder are arranged symmetrically in the width direction two sides of rack.First cylinder is symmetrically fixed on rack
The width direction two sides of rack are arranged in by connection frame 20 for two sides, the second cylinder, and connection frame can be along the length direction of rack
Sliding (is equipped with corresponding sliding rail and sliding block, omit in figure) between connection frame and rack, third cylinder is fixed on bottom of the frame use
In drive connection frame.The fixture block is equipped with the clamping jaw 22.1 of several interlaced arrangements up and down, two fixture blocks of each pair of first cylinder
Clamping jaw distinguish interlaced arrangement, the clamping jaw of two fixture blocks on each pair of second cylinder also distinguishes interlaced arrangement.First cylinder
Fixture block be used to clamp the sleeve of push bracket, the fixture block of the second cylinder is for clamping bar, and third cylinder is for driving the second cylinder
It moves horizontally so as to extract sleeve in bar insertion sleeve or by bar, the piston rod of third cylinder can play holding when stretching out
Bar effect (bar is softer be easily deformed it is sagging；And the piston rod of third cylinder, when holding bar, the right end of bar just may be used
With alignment sleeve axle center) to assist the fixture block of the second cylinder to clamp bar.
The lower section of the rack and docking mechanism is equipped with the magazine 23 for placing remaining material head.The first sliding groove right end is equipped with
First sensor 24, second sliding slot left end are equipped with second sensor 25, are equipped with 3rd sensor 26 above magazine, fixed baffle
Left end is equipped with the 4th sensor 31.
Two, bar adds mechanism
As shown in figure 17, bar adds mechanism, including several belt wheel mechanisms, ratchet mechanism, transmission shaft A1, release cylinder A2
With baffle A16.
The release cylinder, ratchet mechanism, baffle and belt wheel mechanism are each attached to the rack side of bar pusher 60,
Belt wheel mechanism is parallel to length direction L (horizontal direction in Figure 17) arrangement of rack, and transmission shaft is rotatably positioned in the first peace
Power is transmitted in loading board and between belt wheel mechanism and ratchet mechanism, release cylinder passes through ratchet mechanism and transmission shaft driving pulley
Mechanism.
The release cylinder is fixed by the second mounting plate A9 with rack, is discharged and is fixed with cylinder on the piston rod of cylinder and pushes away
Bar A14 fixes two fixture block A15 on cylinder push-rod, discharges length direction of the telescopic direction perpendicular to rack of cylinder piston rod.
The ratchet mechanism includes ratchet A10, cylinder push plate A11, pawl A12 and tension spring A13.The ratchet is fixed on biography
On moving axis, the bottom end of cylinder push plate is rotatably positioned on (empty set setting) transmission shaft, and cylinder push plate is equipped with axially extending
Sliding groove A11.1, pawl A12 are rotationally hinged in cylinder push plate, the both ends of tension spring 13 respectively with the second mounting plate and spine
Pawl is fixed, and the pawl point of pawl is pressed on the ratchet engagement on ratchet and with ratchet under the pulling force effect of tension spring.The cylinder pushes away
Bar passes through the sliding groove of push plate and two fixture block A15 on cylinder push-rod are separately positioned on the two sides of cylinder push plate, discharges gas
Cylinder can drive cylinder push plate to swing when flexible.
The belt wheel mechanism includes the first mounting plate A3, driving gear A4, two belt wheel A5, conveyer belt A6, positioning plate A7
With guide plate A8.First mounting plate is fixed with rack, and two belt wheels are rotatably positioned on the first mounting plate, two belt wheels
In the same horizontal position, (one of belt wheel is fixed on transmission shaft, another belt wheel is rotatably positioned by bearing for setting
In fixing axle；Fixing axle and transmission shaft are arranged in parallel to each other on the first mounting plate).Conveyer belt is covered on belt wheel and is passed
It send and takes equipped with single cog, the tooth pitch of single cog is greater than the outer diameter of bar, and the center of two belt wheels is arranged in driving gear
Lower section and single side tooth engagement with conveyer belt, while gear being driven also to fix with transmission shaft, it is fixed that the top of right side belt wheel is equipped with
Position plate A7 and lower section are equipped with guide plate A8, and positioning plate is that arc-shaped, guide plate inclination arrangement is matched with belt wheel shape, fixed
Position plate passes through connection frame A18 with guide plate to be fixed with the first mounting plate；So bar can be made in the end for being delivered to conveyer belt
When can not arbitrarily skid off, can only according to guide plate determine route slide.
The axis of the belt wheel is parallel to the length direction of rack.(stick depending on the quantity of the belt wheel mechanism is as needed
Material is softer, needs to be arranged multiple belt wheel mechanisms while each position for being segmented holding bar is supported), 2-5 band is generally set
Wheel mechanism (belt wheel mechanism there are three being set in Figure 17).
Between the baffle plate setting belt wheel mechanism and ratchet mechanism, baffle is fixed by third mounting plate with rack, baffle
Cross section be L shape (shown in Figure 20).
The work step of bar pusher is as follows in the present invention:
1, original state is as shown in Figure 4 and Figure 5, and limited block and push bracket are located at rack right end, and the right side of push bracket is located at first
In sliding slot；
2, flapper opens (shown in Fig. 3), and the 4th cylinder piston rod stretches out, and bar adds mechanism and releases a bar,
Bar falls into second sliding slot that (one end of bar shown in Fig. 1 extends in the right hand external of second sliding slot and living by the 4th cylinder
Stopper rod holding), flapper is closed；
3, sleeve and bar (as shown in figure 16) are clamped in two the first cylinders and two the second cylinder piston rod stretchings respectively,
The starting of third cylinder drives the second cylinder to draw close toward the first cylinder and bar is inserted into sleeve, the first cylinder, the second cylinder and the
The piston rod of four cylinders is withdrawn；
4, retreating electric motor starting drives limited block level to be moved to the left, and counterweight also drives bar horizontal direction by push bracket simultaneously
It moves left (as shown in Figure 5), the left end of bar is protruded into machine tool chuck after passing through positioning pipe and stopped by the knife rest of lathe, therefore
Push bracket rests between two the first directive wheels (as shown in Figure 6；Pushing block is only shown for push bracket of the clear Fig. 5 of drawing into Fig. 7
14, remaining omission), limited block is then moved on the left of rack and touches second sensor (as shown in Figure 7)；
5, lathe starts to process after receiving second sensor signal: collet first clamps bar, and bite adds in bar left end
Work goes out screw and screw is cut off and fallen from bar, then bite homing and collet release bar；
6, after collet unclamps bar, counterweight can be pushed by the second connecting rope and push bracket bar level be moved to the left one section away from
From (with a distance from a screw length) until the left end of bar, which is protruded into after machine tool chuck, withstands the knife rest of lathe, return step 5 after
It is continuous to be processed；
Iterative cycles between step 5, step 6, finished product screw constantly cutting forming and fall, and push bracket is then gradually toward limit
Position block position is drawn close；When the 4th sensor detects push bracket, lathe stops processing, retreats electric motor starting and drives limited block horizontal
It moves right on the right side of rack, limited block also drives push bracket to turn right and moves while sliding remaining bar from machine tool chuck and second
It is pulled out in slot；
7, push bracket is limited touching first sensor when block is pulled on the right side of rack and issues signal, the first cylinder and the second gas
Cylinder is instructed, and sleeve and bar are clamped in respective piston rod stretching respectively, and then third cylinder starting drives the second cylinder past
4th cylinder is drawn close extracts remaining bar material head from sleeve, and the piston rod of the first cylinder and the second cylinder unclamps after withdrawing
Bar (shown in Figure 15), remaining bar material head are fallen in magazine；
8,3rd sensor detects and issues signal after bar is fallen, and return step 2 carries out continuing to produce.
The work step of bar addition mechanism is as follows in the present invention:
1, several bars 50 are put on the belt in parallel to each other, the length direction that bar need to be parallel to rack is placed
And the single cog of a conveyer belt is spaced between bar two-by-two, the end of bar, which leans against, guarantees all bar alignment on baffle；
2, the piston rod for discharging cylinder is retracted through cylinder push-rod and cylinder push plate is driven to swing (the arrow in Figure 21 to the left
F1), cylinder push plate drives transmission shaft to rotate counterclockwise certain angle (the arrow F2 in Figure 21) by ratchet and pawl again；
3, transmission shaft drives all driving gear hour hands to turn an angle (the arrow F3 in Figure 19) simultaneously, sliding tooth
Wheel drives each transmission belt to turn over certain distance (the arrow F4 in Figure 19) again, and the bar on conveyer belt can be gradually toward positioning Board position
The lower section (positioning plate can guarantee that the bar positioned at its intrados will not be slipped arbitrarily outward) for moving through positioning plate, works as stick
Material is fallen to when producing positioning plate on the guide plate of lower section, is slid into the second sliding slot of bar pusher finally along guide plate
(fixed baffle and flapper are opened)；
4, cylinder push plate return is driven when discharging the piston rod stretching of cylinder, pawl is along ratchet wheel sliding when cylinder push plate is swung
Dynamic, transmission shaft is stationary, and belt wheel mechanism does not work；It discharges cylinder and often stretches primary (transmission shaft, the rotation of sliding tooth wheel are primary),
A bar is had to fall into the second sliding slot of bar pusher.
Claims (10)
1. bar feeding device, it is characterised in that: the device includes that bar pusher and bar add mechanism；
The bar pusher includes rack (40), be arranged on the rack guidance bar and the mobile guiding mechanism of push bracket, can
The push bracket that is located in moving horizontally in guiding mechanism, the advancement mechanism for driving push bracket to move forward, for driving push bracket to move back
Withdrawing mechanism, the docking mechanism for being installed to bar in push bracket；
The guiding mechanism includes the first sliding groove (1) being horizontally fixed in rack and second sliding slot (2), setting in second sliding slot
The fixed baffle (3) and flapper (4), the folding cylinder (5) for driving flapper to move horizontally of notch；
The withdrawing mechanism includes retreating motor (6), being mounted on the driving wheel (7) retreated on machine shaft, be arranged on the rack
Pulley blocks, be looped around on driving wheel and pulley blocks the first connecting rope (8), the limited block (9) fixed with the first connecting rope；
The advancement mechanism include be rotatably positioned rack left end rolling wheel (10), the counterweight that is arranged in below rack
(11), it is wrapped on rolling wheel wheel rim and is connected the second connecting rope (12) of push bracket, is wrapped on rolling wheel blowout patche and connects counterweight
Third connecting rope (13)；
The push bracket includes being slidably located in the first connecting rope and the pushing block (14) fixed with the second connecting rope, vertical solid
The sleeve (17) for being scheduled on the push plate (15) of pushing block bottom, being fixed and being slided along sliding slot by push rod (16) and push plate；It is described
The front end of sleeve is equipped with the jack for inserting bar；
The docking mechanism includes being successively set between first sliding groove and second sliding slot and horizontally disposed a pair of first cylinder
(18) and a pair of second cylinder (19), the first cylinder are symmetrically fixed on rack two sides, and the second cylinder can axis by connection frame (20)
To rack two sides are slidably symmetrically located in, third cylinder (21) is fixed on piston rod and the company of bottom of the frame and third cylinder
It connects frame to fix, the first cylinder and the second cylinder are equipped with the fixture block (22) for clamping bar or sleeve；
Bar addition mechanism setting including ratchet mechanism, is parallel to the several of rack length direction arrangement in rack side
Belt wheel mechanism is rotatably positioned the transmission shaft that power is transmitted on the first mounting plate and between belt wheel mechanism and ratchet mechanism
(A1), pass through the release cylinder (A2) of ratchet mechanism and transmission shaft driving pulley mechanism kinematic；
The belt wheel mechanism includes first mounting plate (A3) fixed with rack side, the driving gear being fixed on transmission shaft
(A4), it is rotatably positioned the conveyer belt (A6) of two belt wheels (A5), encapsulation on two belt wheels on the first mounting plate；Institute
Conveyer belt is stated equipped with single cog, driving gear be arranged below conveyer belt and with single side tooth engagement；
The release cylinder is fixed by the second mounting plate (A9) with rack；The ratchet mechanism includes being fixed on transmission shaft
Ratchet (A10), one end are rotatably positioned on transmission shaft and the other end is pushed by release cylinder cylinder push plate (A11), can
It is rotationally located in respectively to apply the second mounting plate and pawl with the pawl (A12) of ratchet cooperation, both ends in cylinder push plate and draw
The tension spring (A13) of power.
2. bar feeding device according to claim 1, it is characterised in that: the fixture block is equipped with several cloth that interlock up and down
The clamping jaw (22.1) set, the clamping jaw for two fixture blocks being arranged symmetrically also interlaced arrangement.
3. bar feeding device according to claim 2, it is characterised in that: be equipped with below the rack and docking mechanism surplus
The magazine (23) of clout head；The first sliding groove right end is equipped with first sensor (24), and second sliding slot left end is equipped with the second sensing
Device (25), magazine are equipped with 3rd sensor (26), and fixed baffle is equipped with the 4th sensor (31).
4. bar feeding device according to claim 3, it is characterised in that: the docking mechanism further includes being located at the second gas
Between cylinder and second sliding slot and horizontally disposed 4th cylinder (27).
5. bar feeding device according to claim 4, it is characterised in that: the pulley blocks include two the first directive wheels
(28) and two the second directive wheels (29), the first directive wheel can rotationally be located in rack both ends, the second guiding around vertical axis
Wheel setting is square on the drive wheel and rack side can be rotationally located in around horizontal axis；First connecting rope is looped around
On one directive wheel, the second directive wheel and driving wheel.
6. bar feeding device according to claim 5, it is characterised in that: the advancement mechanism further includes can be around trunnion axis
Line is rotationally located in two third directive wheels (30) of rack side, the one ends wound of third connecting rope on rolling wheel blowout patche simultaneously
And the other end is around connecting counterweight after third directive wheel, thus by the second connecting rope for being wound on rolling wheel wheel rim to pushing bar
Push bracket provide thrust.
7. bar feeding device according to claim 6, it is characterised in that: set above the right side belt wheel of the belt wheel mechanism
There is the positioning plate (A7) for keeping billet position and lower section is equipped with the guide plate (A8) of guidance bar scrolling position；The limit plate
It is arc-shaped to be matched with belt wheel shape；The guide plate is in tilted layout.
8. bar feeding device according to claim 7, it is characterised in that: the axis of the belt wheel is parallel to the length of rack
Spend direction.
9. bar feeding device according to claim 8, it is characterised in that: the cylinder push plate is equipped with sliding groove
(A11.1), the cylinder push-rod (A14) being fixed on the piston rod of cylinder across sliding groove is discharged, push rod is equipped with for a pair
For pushing and pulling the fixture block (A15) of push plate.
10. bar feeding device according to claim 9, it is characterised in that: between the belt wheel mechanism and ratchet mechanism
It is additionally provided with baffle (A16)；The baffle is fixed by third mounting plate with rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910877144.8A CN110524068B (en) | 2019-09-17 | 2019-09-17 | Bar feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910877144.8A CN110524068B (en) | 2019-09-17 | 2019-09-17 | Bar feeding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110524068A true CN110524068A (en) | 2019-12-03 |
| CN110524068B CN110524068B (en) | 2024-02-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910877144.8A Active CN110524068B (en) | 2019-09-17 | 2019-09-17 | Bar feeding device |
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| Country | Link |
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| CN (1) | CN110524068B (en) |
Citations (7)
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|---|---|---|---|---|
| CN102601467A (en) * | 2012-04-01 | 2012-07-25 | 刘旭昇 | Automatic feeding and conveying device of threading machine |
| KR20140077393A (en) * | 2012-12-14 | 2014-06-24 | 진삼하 | pushing apparatus of the nut tapping machine |
| CN204075419U (en) * | 2014-09-13 | 2015-01-07 | 乐清市贝瑞姆电气有限公司 | Threading apparatus |
| CN206588673U (en) * | 2016-08-31 | 2017-10-27 | 佛山市顺德区英田数控机床有限公司 | A kind of bar feeder structure on lathe |
| CN206779623U (en) * | 2017-04-13 | 2017-12-22 | 东莞市德纳精密机械有限公司 | A kind of high-precision tooth machining unit with automatic feed mechanism |
| CN208866397U (en) * | 2018-09-12 | 2019-05-17 | 南京思鼎利数控科技有限公司 | Walk core type numerically controlled lathe automatically transporting materials device |
| CN210755675U (en) * | 2019-09-17 | 2020-06-16 | 杭州正驰达精密机械有限公司 | Bar feeding device |
-
2019
- 2019-09-17 CN CN201910877144.8A patent/CN110524068B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601467A (en) * | 2012-04-01 | 2012-07-25 | 刘旭昇 | Automatic feeding and conveying device of threading machine |
| KR20140077393A (en) * | 2012-12-14 | 2014-06-24 | 진삼하 | pushing apparatus of the nut tapping machine |
| CN204075419U (en) * | 2014-09-13 | 2015-01-07 | 乐清市贝瑞姆电气有限公司 | Threading apparatus |
| CN206588673U (en) * | 2016-08-31 | 2017-10-27 | 佛山市顺德区英田数控机床有限公司 | A kind of bar feeder structure on lathe |
| CN206779623U (en) * | 2017-04-13 | 2017-12-22 | 东莞市德纳精密机械有限公司 | A kind of high-precision tooth machining unit with automatic feed mechanism |
| CN208866397U (en) * | 2018-09-12 | 2019-05-17 | 南京思鼎利数控科技有限公司 | Walk core type numerically controlled lathe automatically transporting materials device |
| CN210755675U (en) * | 2019-09-17 | 2020-06-16 | 杭州正驰达精密机械有限公司 | Bar feeding device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110524068B (en) | 2024-02-09 |
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