CN204508004U - A kind of unidirectional adjustable chain delivery machanism - Google Patents
A kind of unidirectional adjustable chain delivery machanism Download PDFInfo
- Publication number
- CN204508004U CN204508004U CN201520190554.2U CN201520190554U CN204508004U CN 204508004 U CN204508004 U CN 204508004U CN 201520190554 U CN201520190554 U CN 201520190554U CN 204508004 U CN204508004 U CN 204508004U
- Authority
- CN
- China
- Prior art keywords
- chain
- screw rod
- block
- ratchet
- nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model provides a kind of unidirectional adjustable chain delivery machanism, belongs to automation processing technique field; The technical matters of easily get muddled when it solving existing conveyer chain conveying workpieces, omitting; A kind of unidirectional adjustable chain delivery machanism, comprises chain grillage and transmission shaft, chain grillage is provided with conveyer chain, transmission shaft is provided with ratchet, ratchet has multiple tooth block, also include driving device, driving device promotes pawl wheel and conveyer chain is moved; Stop motion mechanism, when tooth block contacts with stop motion mechanism, ratchet stops operating, driving device promote stop motion mechanism motion and separating tooth block time, ratchet can be rotated further; Control apparatus, it is connected with chain grillage and chain grillage can be made to move on transmission shaft; The beneficial effects of the utility model are: make pawl wheel by driving device, and workpiece can be carried by orderly carrying out, and stop motion mechanism makes ratchet bi-directional braking under ratchet standstill state, ensure that the precision that workpiece is carried.
Description
Technical field
The utility model belongs to automation processing technique field, relates to a kind of chain delivery machanism, especially a kind of unidirectional adjustable chain delivery machanism.
Background technology
In existing automatically processing device, usually utilize conveyer chain workpiece is delivered to the processing of processing end or the workpiece of machine-shaping is delivered to rewinding end by processing end, by conveyer chain conveying workpieces, improve the overall processing efficiency of automatically processing device.
Existing conveyer chain comprises frame and two chains, frame is provided with transmission shaft, transmission shaft is provided with two gears, two chains are arranged on two gears, the chain other end is sheathed on the drive means to remove chain drive-belt at gear in rotation, chain is also provided with material holder processing work can picked up, this conveyer chain can realize the transfer of workpiece on Fabricating machinery, but there is following technical matters simultaneously, 1, workpiece is upwards delivered to eminence by lower by existing conveyer chain, and workpiece conveying is non-interruption, workpiece is easily caused to be carried disorderly; 2, this conveyer chain brakeless device, workpiece easily causes conveyer chain travelling backwards in deadweight situation, causes transport efficiency lower, and conveyer chain does not stop mobile, situation about being missed when easily occurring that workpiece is carried; 3, the distance between two chains in existing this conveyer chain cannot regulate, or only have a chain to regulate between two chains, when needing by regulating the distance between two chains to meet the workpiece of conveying different in width, a chain is regulated to need the long period, make to regulate efficiency lower, add the dead work before conveying, delay more time of delivery.
In sum, in order to solve the technical matters of above-mentioned adjusting device, need to design a kind of can make workpiece in order, discountinuity conveying and conveyer chain regulates the unidirectional adjustable chain delivery machanism that efficiency is higher.
Utility model content
The purpose of this utility model is the problems referred to above existed for prior art, propose a kind of can make workpiece in order, discountinuity conveying and conveyer chain regulates the unidirectional adjustable chain delivery machanism that efficiency is higher.
The purpose of this utility model realizes by following technical proposal: a kind of unidirectional adjustable chain delivery machanism, comprise two chain grillages and run through the transmission shaft of two chain grillages, two chain grillages are respectively arranged with conveyer chain, described transmission shaft is provided with ratchet, ratchet has multiple tooth block, also include
Driving device, it contacts with tooth block, and described driving device promotes pawl wheel and conveyer chain is moved;
Stop motion mechanism, it is arranged at ratchet side, and when described tooth block contacts with stop motion mechanism, ratchet stops operating, described driving device promote stop motion mechanism motion and separating tooth block time, described ratchet can be rotated further;
Control apparatus, it is connected with chain grillage and chain grillage can be made to move on transmission shaft.
In the unidirectional adjustable chain delivery machanism of above-mentioned one, described driving device comprises drive sleeve and pushing block, described drive sleeve is sheathed on transmission shaft, pushing block one end and drive sleeve are articulated and connected, described ratchet has multiple tooth block arranged around its outside face, the pushing block other end is against on tooth block, and described pushing block rotates with drive sleeve and promotes pawl wheel on transmission shaft.
In the unidirectional adjustable chain delivery machanism of above-mentioned one, also include adapter plate and transmission shaft runs through adapter plate, described stop motion mechanism comprises the reverse backing block be movably set on adapter plate, reverse backing block is positioned in the rotation direction of ratchet, reverse backing block front end to be against on tooth block and to limit pawl wheel, and described reverse backing block can move on a mounting board and make tooth block depart from the restriction of reverse backing block.
In the unidirectional adjustable chain delivery machanism of above-mentioned one, drive sleeve is also provided with jacking block, and described pushing block and jacking block are articulated and connected, and described jacking block rotates with drive sleeve and forward backing block can be backed down and ratchet is rotated further.
In the unidirectional adjustable chain delivery machanism of above-mentioned one, described transmission shaft is also provided with the transmission gear that drive sleeve is connected, transmission gear is provided with the tooth bar be connected with a joggle with it, described tooth bar make transmission gear rotate and drive sleeve with transmission gear synchronous axial system.
In the unidirectional adjustable chain delivery machanism of above-mentioned one, described control apparatus comprises the first screw rod and the first forward nut of being connected with the first screw flight and the first reverse nut, first screw rod runs through two chain grillages, described first forward nut is connected with two chain grillages respectively with the first reverse nut, the first forward nut and the first reverse nut with the first bolt rotary and can on the first screw rod locking phase to mobile or relative movement.
In the unidirectional adjustable chain delivery machanism of above-mentioned one, described control apparatus also comprises the second screw rod and the second forward nut of being connected with the second screw flight and the second reverse nut, second screw rod runs through two chain grillages and the first screw rod and the second screw rod are divided into the two ends of chain grillage, second forward nut is connected with two chain grillages respectively with the second reverse nut, the second forward nut and the second reverse nut with the second bolt rotary and can on the second screw rod locking phase to mobile or relative movement.
In the unidirectional adjustable chain delivery machanism of above-mentioned one, described first screw rod and the second screw rod are respectively arranged with synchronous transmission gear, between two synchronous transmission gears, are provided with synchronous chain, described synchronous chain can make the second screw rod with the first screw rod synchronous axial system.
In the unidirectional adjustable chain delivery machanism of above-mentioned one, on two chain grillages, symmetry offers adjustment hole, and the two ends of the second screw rod lay respectively in adjustment hole also can move in adjustment hole.
In the unidirectional adjustable chain delivery machanism of above-mentioned one, described second screw rod is provided with the first locating piece and the second locating piece, first locating piece and the second locating piece lay respectively in two adjustment holes, described first locating piece and the second forward nut be connected and wherein a carrier bar chord position in therebetween, described second locating piece and the second reverse nut be connected and another carrier bar chord position in therebetween.
Compared with prior art, the utility model has following beneficial effect:
1, in the utility model, make pawl wheel by driving device, thus the discountinuity realizing conveyer chain moves, workpiece can be carried by orderly carrying out, avoid workpiece to occur the situation that conveying is disorderly.
2, ratchet is fixed and is realized ratchet and brakes two rotation directions simultaneously by stop motion mechanism under the standstill state of ratchet intermittent rotary, both prevented workpiece from deadweight situation, making conveyer chain travelling backwards, prevent pawl wheel excessive simultaneously, ensure that the precision that workpiece is carried, its braking effect is better, has more supportability.
3, between two symmetrically arranged chain grillages, control apparatus is provided with, this control apparatus makes the synchronous relative movement of two chain grillages energy or moves in opposite directions, not only two chain grillages can simultaneously close to each other but also can simultaneously mutual away from, by moving the object reaching width between adjustment two chain grillage while two chain grillages, its governing speed is faster, required time is shorter, regulates efficiency higher, shortens the setup time before workpiece conveying.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the utility model one preferred embodiment.
Fig. 2 is the side elevational view of the utility model one preferred embodiment.
Fig. 3 is the schematic perspective view at another visual angle of the utility model one preferred embodiment.
Fig. 4 is the sectional perspective schematic diagram of the utility model one preferred embodiment.
Fig. 5 is the amplification stereogram at A place in Fig. 2.
Fig. 6 is the schematic perspective view of the middle drive sleeve of the utility model one preferred embodiment.
Fig. 7 is the assembly drowing of conveyer chain in the utility model one preferred embodiment.
Fig. 8 is the enlarged drawing at B place in Fig. 7.
Fig. 9 is the block diagram of guide chain block in the utility model one preferred embodiment.
In figure, 1, frame; 10; Fixed leg; 100, chain grillage; 110, conveyer chain; 111, adapter plate; 112, mounting hole; 120, pressure pin; 121, limiting section; 130, adjustment hole; 140, guide chain block; 141, guide chain groove; 200, transmission shaft; 210, sprocket wheel; 220, ratchet; 221, tooth block; 221a, the first tooth block; 221b, the second tooth block; 221c, the 3rd tooth block; 230, bearing; 240, drive sleeve; 241, jacking block; 242, pushing block; 250, transmission gear; 251, tooth bar; 300, adapter plate; 310, reverse backing block; 320, forward backing block; 400, cylinder; 410, piston rod; 420, extension spring; 500, the first screw rod; 510, the first forward nut; 520, the first reverse nut; 530, rotating disk; 600, the second screw rod; 610, the second forward nut; 620, the second reverse nut; 630, the first locating piece; 631, the first baffle plate; 640, the second locating piece; 700, synchronizer gear; 710, synchronous chain; 800, Connection Block.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
For the ease of understanding, the arrow in Fig. 5 represents the rotation direction of transmission shaft, ratchet, rotating disk, and it is backwards rotation.
As shown in Figures 1 to 4, a kind of unidirectional adjustable chain delivery machanism of the utility model, be installed in frame 1, comprise two settings and the chain grillage 100 be arranged in parallel and run through the transmission shaft 200 of two chain grillages 100, two chain grillages 100 are positioned at frame, two chain grillages 100 are separately installed with conveyer chain 110, the two ends of transmission shaft 200 are connected with frame 1 respectively, two ends on transmission shaft 200 are separately installed with two sprocket wheels 210 that are positioned at frame and conveyer chain 110 and sprocket wheel 210 are connected with a joggle, as Fig. 7, shown in Fig. 8, conveyer chain 110 is fixed with adapter plate 111, adapter plate 111 offers mounting hole 112, pressure pin 120 rear end is inserted solid in mounting hole 112, pressure pin 120 front end is provided with the limiting section 121 that external diameter is greater than pressure pin 120 external diameter, workpiece two ends to rest on pressure pin 120 and prevent pressure pin 120 from dropping by limiting section 121, transmission shaft 200 rotates and conveyer chain 110 is moved on chain grillage 100, thus realize the transmission of workpiece.
The outside of frame 1 ratio is also installed with adapter plate 300, one end of transmission shaft 200 is run through frame 1 and adapter plate 300 and is positioned at outside adapter plate 300 and forms driving section, this driving section is arranged with ratchet 220, ratchet 220 to be positioned at outside adapter plate 300 and to be connected with transmission shaft 200, by this adapter plate 300, transmission shaft 200 transverse shifting in frame 1 can be prevented, ratchet 220 have three tooth blocks 221 evenly arranged around its outside face, for convenience of understanding, three tooth blocks 221 are divided into the first tooth block 221a by anticlockwise direction, second tooth block 221b and the 3rd tooth block 221c.
As Fig. 1, Fig. 2, Fig. 4, shown in Fig. 5, driving section is also overlapped the intrinsic bearing 230 be positioned at outside ratchet 220, bearing 230 is provided with drive sleeve 240, this drive sleeve 240 is adjacent with ratchet 220, by bearing 230, drive sleeve 240 can be rotated relative to driving section, as shown in Figure 6, the outside face of drive sleeve 240 is also provided with jacking block 241, this jacking block 241 extends and curved shape on drive sleeve 240 outside face, jacking block 241 is also provided with the pushing block 242 that rear end and jacking block 241 are articulated and connected, this pushing block 242 is adjacent with drive sleeve 240 and be in same plane with ratchet 220, the front end of pushing block 242 is against on the lateral wall of any tooth block 221, this pushing block 242 rotates with drive sleeve 240 and can promote any tooth block 221 and make ratchet 220 backwards rotation, transmission shaft 200 is with ratchet 220 synchronous axial system and conveyer chain 110 is moved, realize the transmission of workpiece, pushing block 242 is after the last tooth block 221 of promotion rotates, forward turn to next tooth block 221 place with drive sleeve 240 and to be against on next tooth block 221 thus again to promote this tooth block 221 and rotate, by pushing block 242 with drive sleeve 240 reciprocating rotation on transmission shaft 200, realize the intermittent rotating in same direction of transmission shaft 200, make workpiece ceaselessly can be transferred chain 110 to transmit.
What be worth one is, drive sleeve 240 is relative with the motion of ratchet 220, ratchet 220 is geo-stationary, its rotation is passive, and drive sleeve 240 is rotate relative to ratchet 220, it rotates is initiatively, drive sleeve 240 drives ratchet 220 to rotate, thus realize transmission shaft 200 and rotate, in the present embodiment, also drive sleeve 240 geo-stationary can be made, drive sleeve 240 and transmission shaft 200 are connected, ratchet 220 rotates relative to drive sleeve 240, ratchet 220 drives drive sleeve 240 to rotate, the same transmission shaft 200 that can realize rotates, therefore, the present embodiment is not limited to above-mentioned implementation.
Further, reset attachment is provided with between pushing block 242 front end and drive sleeve 240, preferably, this reset attachment is spring, certainly, also can be connected with pushing block 242 and promotion cylinder 400 that pushing block 242 rotates or other structure can be promoted, pass through reset attachment, pushing block 242 is after being separated with last tooth block 221, can contact with next tooth block 221 immediately and be against on next tooth block 221, thus ensure that pushing block 242 contacts with each tooth block 221, ensure that pushing block 242 promotes each tooth block 221, thus the intermittence realizing transmission shaft 200 is rotated.
As shown in Figure 1 to Figure 3, reverse backing block 310 and forward backing block 320 is provided with in the lower end of adapter plate 300, reverse backing block 310 is with forward backing block 320 is in the same plane, the head end of reverse backing block 310 is formed with spacing zone with the head end spaced opposite of forward backing block 320, first tooth block 221a of ratchet 220 is positioned at this spacing zone, ratchet 220 is made to realize bi-directional braking, be articulated and connected with adapter plate 300 respectively with the middle part of forward backing block 320 in the middle part of reverse backing block 310, at reverse backing block 310, forward the hinged place of backing block 320 is respectively arranged with torsion spring, forward backing block 320 is under the effect of any tooth block 221, can rotate up and down on adapter plate 300, reverse backing block 310 can rotate up and down under the effect of jacking block 241 on adapter plate 300, herein, the width of reverse backing block 310 is greater than the width of forward backing block 320, be convenient to reverse backing block 310 contact with jacking block 241.
When pushing block 242 to be separated with the 3rd tooth block 221c and be clockwise to be against on the second tooth block 221b time, reverse backing block 310 backs down downwards by jacking block 241, pushing block 242 promotes the second tooth block 221b and rotates counterclockwise, the the first tooth block 221a being positioned at spacing zone shifts out spacing zone and jacking block 241 is separated with forward backing block 320 gradually, reverse backing block 310 upwards turns to initial position, in this process, 3rd tooth block 221c rotates with ratchet 220 and incites somebody to action forward backing block 320 and backs down, 3rd tooth block 221c enters in spacing zone and also again realizes ratchet 220 bi-directional braking, pushing block 242 is crank motion constantly, first tooth block 221a, second tooth block 221b, 3rd tooth block 221c is promoted by pushing block 242 successively, pushing block 242 often promotes a tooth block 221, the last tooth block 221 be positioned on anticlockwise direction just enters spacing zone and is limited, therefore, in ratchet 220 intermittent rotary process, when ratchet 220 seizes up state, ratchet 220 is just by bi-directional braking, the bi-directional braking of ratchet 220, make ratchet 220 both cannot continue to rotate counterclockwise, also cannot turn round, its braking effect is better, more stable when making conveyer chain 110 conveying workpieces, safety, transport efficiency is higher, prevent workpiece from occurring the situation that conveying is disorderly, ensure that the delivery precision of workpiece simultaneously.
In said structure, the move mode of reverse backing block 310, forward backing block 320 is the preferred version in the present embodiment, but be not limited to this kind of structure, such as, reverse backing block 310 and forward backing block 320 also can adopt the mode of upper and lower translation to realize its function, control reverse backing block 310 respectively and move up and down with forward backing block 320, can realize above-mentioned functions equally by two driver trains, be briefly described at this, be not described in detail.
As shown in Figure 1, Figure 4, Figure 5, as further improvement, transmission shaft 200 is also arranged with transmission gear 250, this transmission gear 250 adjacent with drive sleeve 240 and can with drive sleeve 240 synchronous axial system on transmission shaft 200, transmission gear 250 is provided with the tooth bar 251 be connected with a joggle with it, by tooth bar 251 and transmission gear 250 gear motion, realize drive sleeve 240 with transmission gear 250 synchronous axial system.
As shown in Figure 1, Figure 2, Figure 4 shows, as propulsion source, arrange above frame 1 and be vertically installed with cylinder 400, the rear end of cylinder 400 is connected by fixed leg 10 and frame 1, the piston rod 410 of cylinder 400 is connected with tooth bar 251 and drives tooth bar 251 and transmission gear 250 to make gear motion, drive sleeve 240 with transmission gear 250 synchronous axial system and the intermittent ratchet 220 that promotes rotate, thus realize transmission shaft 200 and rotate, certainly, tooth bar 251 and transmission gear 250 gear motion also realize by other type of drive, such as, motor drives, or hydraulic-driven etc.
As further improvement, frame 1 is also provided with extension spring 420, one end of extension spring 420 is connected with frame 1 by fixed leg 10, extension spring 420 other end is connected with the other end of tooth bar 251, by extension spring 420, the other end of tooth bar 251 is held, tooth bar 251 is made to coordinate tightr with transmission gear 250, engagement property is better, tooth bar 251 is avoided to be separated with transmission gear 250, herein except employing extension spring 420, also can adopt another cylinder 400, be connected with the two ends of tooth bar 251 respectively by two cylinders 400, two cylinders 400 are alternately flexible just can realize tooth bar 251 and transmission gear 250 gear motion, but adopt extension spring 420 to replace cylinder 400 herein, save cost, reduce energy consumption simultaneously, preferably, this extension spring 420 is parallel with cylinder 400 and be located on the side of transmission gear 250, so, tooth bar 251 engages apart from the longest with transmission gear 250, make tooth bar 251 and transmission gear 250 to engage effect best, engage the most stable, make the transmission effect of transmission gear 250 best.
As Fig. 1, Fig. 3, shown in Fig. 4, frame 1 is also provided with the first screw rod 500 and the second screw rod 600 be connected with frame 1 two ends respectively, first screw rod 500 runs through the upper end of two chain grillages 100, second screw rod 600 runs through the lower end of two chain grillages 100, first screw rod 500 is provided with the first forward nut 510 and the first reverse nut 520, first forward nut 510 has positive pitch thread, first reverse nut 520 has anti-pitch thread, first forward nut 510 is connected with the upper end of two chain grillages 100 respectively with the first reverse nut 520, first screw rod 500 can rotate clockwise or rotate counterclockwise in frame 1, because the screw thread on the first screw rod 500 is in the same way, and the first forward nut 510 is contrary with the hand of spiral of the first reverse nut 520, when the first screw rod 500 rotates, according to the rotation direction of the first screw rod 500, first forward nut 510 and the first reverse nut 520 can to realize on the first screw rod 500 synchronous relative movement or move in opposite directions, to realize the adjustment of width between two chain grillage 100 upper ends.
Second screw rod 600 is provided with the second forward nut 610 and the second reverse nut 620, first forward nut 510 is corresponding with the second forward nut 610, first reverse nut 520 is corresponding with the second reverse nut 620, second forward nut 610 has positive pitch thread, second reverse nut 620 has anti-pitch thread, second forward nut 610 is connected with the lower end of two chain grillages 100 respectively with the second reverse nut 620, when the second screw rod 600 rotates in frame 1, according to the rotation direction of the second screw rod 600, second forward nut 610 is same with the second reverse nut 620 to be realized on the second screw rod 600 synchronous relative movement or move in opposite directions, to realize the width adjusting between two chain grillage 100 lower ends, by the adjustment to two chain grillage about 100 two ends, ensure to remain parallel between two chain grillages 100.
To the width adjusting between two chain grillages 100, make conveyer chain 110 can carry the workpiece of different model, two chain grillages 100 synchronously away from or synchronously close, make the governing speed of two chain grillages 100 very fast, efficiency is higher, shortens the setup time before workpiece conveying
As Fig. 1, Fig. 3, shown in Fig. 4, first screw rod 500 and the second screw rod 600 are respectively arranged with synchronizer gear 700, two synchronizing wheels lay respectively at same one end of the first screw rod 500 and the second screw rod 600, synchronous chain 710 is provided with between two synchronizer gears 700, described synchronous chain 710 can make the second screw rod 600 with the first screw rod 500 synchronous axial system, one end of first screw rod 500 is stretched out frame 1 and be provided with rotating disk 530 on this sponson, now, first screw rod 500 can drive the second screw rod 600 synchronous axial system as active screw rod, by rotating this rotating disk 530, rotatable first screw rod 500 also realizes the adjustment of width between two chain grillages 100, first screw rod 500 can drive the synchronous rotating in same direction of the second screw rod 600 by synchronous chain 710, realize the synchronous of chain grillage about 100 two ends to move in the same way, further shorten the regulating time of chain grillage 100.
As shown in Figure 3, Figure 4, offer adjustment hole 130 in two chain grillage 100 lower end symmetries, the two ends of the second screw rod 600 lay respectively in adjustment hole 130 also can move in adjustment hole 130.
First screw rod 500 realizes synchronous rotating in same direction with the second screw rod 600 by synchronous chain 710, in the process that chain grillage 100 regulates, easily there is tension or cross loose phenomenon in synchronous chain 710, cause the synchronous effect of synchronous chain 710 poor or cannot normally work, occur for avoiding this phenomenon, by by the second screw rod 600 as in adjustment hole 130, regulated by the second screw rod 600 mobile degree of tightness realizing synchronous chain 710 in adjustment hole 130, synchronous chain 710 is normally worked, ensures that the first screw rod 500 and the second screw rod 600 normal synchronized are rotated.
As shown in Figure 4, as improvement, second screw rod 600 is provided with the first locating piece 630 and the second locating piece 640, first locating piece 630 and the second locating piece 640 lay respectively in two adjustment holes 130, described first locating piece 630 and the second forward nut 610 are connected, extend the first baffle plate 631 in the side of the first locating piece 630 and wherein a chain grillage 100 between the first baffle plate 631 and the second forward nut 610, described second locating piece 640 and the second reverse nut 620 are connected, extend second baffle (not shown) in the side of the second locating piece 640 and another chain grillage 100 between second baffle and the second reverse nut 620.
Second screw rod 600 and the second forward nut 610, it is relative motion between second reverse nut 620, when second screw rod 600 rotates, second forward nut 610 and the second reverse nut 620 are necessary for static, otherwise, second forward nut 610 and the second reverse nut 620 easily rotate with the second screw rod 600 simultaneously, after second screw rod 600 arranges the first locating piece 630 and the second locating piece 640, first locating piece 630 and the second locating piece 640 are stuck in adjustment hole 130, prevent the second forward nut 610 and the second reverse nut 620 from rotating with the second screw rod 600, ensure that the normal regulating of chain grillage 100, and the first baffle plate 631 and second baffle can ensure that the second forward nut 610 is connected with chain grillage 100 respectively with the second reverse nut 620, ensure the normally movement of chain grillage 100.
As described in Fig. 1, Fig. 3, Fig. 4, described first screw rod 500 and the second screw rod 600 have two respectively, are connected between two first screw rods 500 and two second screw rods 600 respectively by Connection Block 800.
First screw rod 500 and the second screw rod 600 long, inconvenient dismounting, in control process, the weight of chain grillage 100 can make the first screw rod 500 or the second screw rod 600 backfin break, therefore the first screw rod 500 and the second screw rod 600 are divided into two respectively, be arranged on after being connected by Connection Block 800 in frame 1, both easy disassembly, also not frangibility.
As shown in Figure 7, the periphery of chain grillage 100 is provided with guide chain block 140, guide chain block 140 offers guide chain groove 141 and conveyer chain 110 movement in guide chain groove 141.
Conveyer chain 110 is when conveying workpieces, the weight of workpiece can make the part of the force of conveyer chain 110 produce deformation, workpiece and chain grillage 100 is caused to rub and make workpiece impaired, or cause workpiece tilt and drop, or cause conveyer chain 110 discontinuity and rupture, guide chain block 140 is arranged on the position that conveyer chain 110 easily produces deformation, prevents conveyer chain 110 from producing deformation, make conveyer chain 110 uniform force, avoid workpiece to contact or workpiece run-off the straight with chain grillage 100.
The utility model in an initial condition, reverse backing block 310 is with forward backing block 320 is in the same plane, first tooth block 221a is positioned at spacing zone, under the restriction of reverse backing block 310 with forward backing block 320, ratchet 220 cannot cw or rotate counterclockwise, namely ratchet 220 is bidirectionally limited, and pushing block 242 is between the second tooth block 221b with the 3rd tooth block 221c and contact with drive sleeve 240.
Cylinder 400 driven wheel rotates clockwise, drive sleeve 240 is rotated with gear synchronous, and ratchet 220 seizes up state, and pushing block 242 is against on the second tooth block 221b under reset attachment effect, meanwhile, jacking block 241 contacts with reverse backing block 310 and is backed down downwards by reverse backing block 310.
Cylinder 400 drives drive sleeve 240 to rotate counterclockwise, pushing block 242 promotes the second tooth block 221b and moves and ratchet 220 is rotated, first tooth block 221a rotates with ratchet 220 and shifts out by spacing zone, in ratchet 220 rotation process, jacking block 241 is separated with reverse backing block 310, reverse backing block 310 back rotation to initial position, simultaneously, 3rd tooth block 221c rotates with ratchet 220 and enters in spacing zone, and ratchet 220 is again bidirectionally limited.
Cylinder 400 constantly drives drive sleeve 240 crank motion, pushing block 242 promotes each tooth block 221 and moves and realize the intermittent rotary of ratchet 220, thus realize the intermittent rotary of transmission shaft 200, conveyer chain 110 rotates with transmission shaft 200, realize the transmission of workpiece, in ratchet 220 pause process, reverse backing block 310 and forward backing block 320 make ratchet 220 bidirectionally limited, ensure the stability and security of ratchet 220 intermittent rotary.
According to the width of workpiece, distance between two face chain grillages 100 can be adjusted, backwards rotation rotating disk 530, first screw rod 500 rotates with rotating disk 530, second screw rod 600 passes through synchronous chain 710 with the first screw rod 500 synchronous axial system, first forward nut 510 and the first reverse nut 520 on the first screw rod 500 to movement, chain grillage 100 upper end is close to each other, simultaneously, second forward nut 610 and the second reverse nut 620 relatively rotate on the second screw rod 600, chain grillage 100 lower end is close to each other, moved by chain grillage 100 upper and lower side simultaneously, two chain grillages 100 move in parallel, width between two chain grillages 100 is descending.
When rotating disk 530 forward rotates, first forward nut 510 and the first reverse nut 520 move in opposite directions on the first screw rod 500, second forward nut 610 and the second reverse nut 620 move in opposite directions on the second screw rod 600, and two chain grillages 100 move in parallel, and the width between two chain grillages 100 is ascending.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (10)
1. a unidirectional adjustable chain delivery machanism, comprises chain grillage and runs through the transmission shaft of chain grillage, chain grillage is respectively arranged with conveyer chain, described transmission shaft is provided with ratchet, ratchet has multiple tooth block, it is characterized in that: also include
Driving device, it contacts with tooth block, and described driving device promotes pawl wheel and conveyer chain is moved;
Stop motion mechanism, it is arranged at ratchet side, and when described tooth block contacts with stop motion mechanism, ratchet stops operating, described driving device promote stop motion mechanism motion and separating tooth block time, described ratchet can be rotated further;
Control apparatus, it is connected with chain grillage and chain grillage can be made to move on transmission shaft.
2. the unidirectional adjustable chain delivery machanism of one according to claim 1, it is characterized in that: described driving device comprises drive sleeve and pushing block, described drive sleeve is sheathed on transmission shaft, pushing block one end and drive sleeve are articulated and connected, described ratchet has multiple tooth block arranged around its outside face, the pushing block other end is against on tooth block, and described pushing block rotates with drive sleeve and promotes pawl wheel on transmission shaft.
3. the unidirectional adjustable chain delivery machanism of one according to claim 1, it is characterized in that: also include adapter plate and transmission shaft runs through adapter plate, described stop motion mechanism comprises the reverse backing block be movably set on adapter plate, reverse backing block is positioned in the rotation direction of ratchet, reverse backing block front end to be against on tooth block and to limit pawl wheel, and described reverse backing block can move on a mounting board and make tooth block depart from the restriction of reverse backing block.
4. the unidirectional adjustable chain delivery machanism of one according to claim 2, it is characterized in that: in drive sleeve, be also provided with jacking block, described pushing block and jacking block are articulated and connected, and described jacking block rotates with drive sleeve and the second backing block can be backed down and ratchet is rotated further.
5. the unidirectional adjustable chain delivery machanism of the one according to claim 2 or 4, it is characterized in that: described transmission shaft is also provided with the transmission gear that drive sleeve is connected, transmission gear is provided with the tooth bar be connected with a joggle with it, described tooth bar make transmission gear rotate and drive sleeve with transmission gear synchronous axial system.
6. the unidirectional adjustable chain delivery machanism of one according to claim 1, it is characterized in that: described control apparatus comprises the first screw rod and the first forward nut of being connected with the first screw flight and the first reverse nut, first screw rod runs through two chain grillages, described first forward nut is connected with two chain grillages respectively with the first reverse nut, the first forward nut and the first reverse nut with the first bolt rotary and can on the first screw rod locking phase to mobile or relative movement.
7. the unidirectional adjustable chain delivery machanism of one according to claim 6, it is characterized in that: described control apparatus also comprises the second screw rod and the second forward nut of being connected with the second screw flight and the second reverse nut, second screw rod runs through two chain grillages and the first screw rod and the second screw rod are divided into the two ends of chain grillage, second forward nut is connected with two chain grillages respectively with the second reverse nut, the second forward nut and the second reverse nut with the second bolt rotary and can on the second screw rod locking phase to mobile or relative movement.
8. the unidirectional adjustable chain delivery machanism of one according to claim 7, it is characterized in that: described first screw rod and the second screw rod are respectively arranged with synchronous transmission gear, between two synchronous transmission gears, be provided with synchronous chain, described synchronous chain can make the second screw rod with the first screw rod synchronous axial system.
9. the unidirectional adjustable chain delivery machanism of one according to claim 7, is characterized in that: on two chain grillages, symmetry offers adjustment hole, and the two ends of the second screw rod lay respectively in adjustment hole also can move in adjustment hole.
10. the unidirectional adjustable chain delivery machanism of the one according to claim 7 or 9, it is characterized in that: described second screw rod is provided with the first locating piece and the second locating piece, first locating piece and the second locating piece lay respectively in two adjustment holes, described first locating piece and the second forward nut be connected and wherein a carrier bar chord position in therebetween, described second locating piece and the second reverse nut be connected and another carrier bar chord position in therebetween.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520190554.2U CN204508004U (en) | 2015-03-31 | 2015-03-31 | A kind of unidirectional adjustable chain delivery machanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520190554.2U CN204508004U (en) | 2015-03-31 | 2015-03-31 | A kind of unidirectional adjustable chain delivery machanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204508004U true CN204508004U (en) | 2015-07-29 |
Family
ID=53705996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520190554.2U Expired - Fee Related CN204508004U (en) | 2015-03-31 | 2015-03-31 | A kind of unidirectional adjustable chain delivery machanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204508004U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104773444A (en) * | 2015-03-31 | 2015-07-15 | 宁波宫铁精机有限公司 | One-way adjustable chain type conveying mechanism |
| CN108380972A (en) * | 2018-04-27 | 2018-08-10 | 内蒙古机电职业技术学院 | A kind of band sawing machine automatic feed mechanism |
| CN108380972B (en) * | 2018-04-27 | 2024-04-19 | 内蒙古机电职业技术学院 | Automatic feeding mechanism of band sawing machine |
-
2015
- 2015-03-31 CN CN201520190554.2U patent/CN204508004U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104773444A (en) * | 2015-03-31 | 2015-07-15 | 宁波宫铁精机有限公司 | One-way adjustable chain type conveying mechanism |
| CN108380972A (en) * | 2018-04-27 | 2018-08-10 | 内蒙古机电职业技术学院 | A kind of band sawing machine automatic feed mechanism |
| CN108380972B (en) * | 2018-04-27 | 2024-04-19 | 内蒙古机电职业技术学院 | Automatic feeding mechanism of band sawing machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101368806B (en) | Rail type conveyer | |
| CN101811623B (en) | Conveying device | |
| CN101863367B (en) | Crank rocker pushing device | |
| CN102009822A (en) | Crawler-type intermittent transmission mechanism | |
| CN104773444A (en) | One-way adjustable chain type conveying mechanism | |
| CN202864296U (en) | Cylinder-push-type chain conveying mechanism | |
| CN102700901A (en) | Accumulation type conveyor | |
| CN204508004U (en) | A kind of unidirectional adjustable chain delivery machanism | |
| CN204211007U (en) | A kind of belt-type pushing cover device of metal tin cover | |
| CN201891812U (en) | Transmission device used for accurate positioning | |
| CN112758610A (en) | Roller type conveyor belt with alignment and alignment functions | |
| CN101941033B (en) | Feeding apparatus | |
| CN207346208U (en) | A kind of packed feed transhipment apparatus for shaping | |
| CN211109789U (en) | Screw module pushing mechanism | |
| CN105883391A (en) | Petroleum pipe conveying device | |
| CN111846906B (en) | Block material feeding equipment and system | |
| CN205222223U (en) | Tension control device | |
| CN204533418U (en) | A kind of bi-directional braking ratchet mechanism | |
| CN204675281U (en) | Full automaticity process line | |
| CN204565899U (en) | A kind of wandering star type polishing machine gear ring elevating mechanism | |
| CN201062094Y (en) | Long packet-pushing device | |
| CN204688987U (en) | For the guipure tightening device of mesh belt transmission machine | |
| CN204449707U (en) | Drawing device | |
| CN209454125U (en) | Double-walled corrugated pipe forming machine transmission mechanism | |
| CN201647570U (en) | Workpiece conveyer device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20160331 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |