CN208135424U - A kind of elongated class material stock shelf - Google Patents

Abstract

The utility model discloses a kind of elongated class material stock shelfs, including rack, rack is equipped with the material frame arranged along the length of the rack, the hoisting mechanism of the first power device driving is equipped with the rack of material frame corresponding position, rack uplink positioned at material frame downstream is connected to discharge conveying mechanism, rack uplink positioned at discharge conveying mechanism downstream is connected to cache platform, and support roller group is rotatably equipped in the rack in cache platform downstream；The material Ding Song mechanism being equipped with for being transferred to material from discharge conveying mechanism in cache platform is also swung in rack；Stop gauge is equipped with the rack of cache platform corresponding position；Rack above cache platform is equipped with Lu Liao mechanism.The automation to material is realized to convey one by one, meanwhile having achieved the effect that carry out material in conveying automatic feeding and having smoothed out with the fingers straight, the smoothness and continuity of material feeding has been effectively ensured, compared with tradition, solve the problems, such as easily to break down and influence loading efficiency.

Description

A kind of elongated class material stock shelf

Technical field

The utility model belongs to feeding skill field more particularly to a kind of elongated class material stock shelf.

Background technique

At this stage, for the feeding of thin stick or tubule, since its diameter is smaller, it is placed on the storing frame of common stock shelf Be easy to happen in frame mutually hand over around the problem of, meanwhile, using common feeder when jacking thin stick or tubule, cannot ensure only Feeding one thin stick or tubule, and then cause automatic charging to have some setbacks, and be easy to happen failure, leverage loading efficiency.

Utility model content

Technical problem to be solved in the utility model is：A kind of elongated class material stock shelf is provided, it is existing to solve Stock shelf automatic feeding frame in technology has some setbacks, easily breaks down and the problem of loading efficiency.

In order to solve the above technical problems, the technical solution of the utility model is：A kind of elongated class material stock shelf, including Rack, the rack are equipped with the material frame arranged along the rack length direction, the rack with the material frame corresponding position It is equipped with the hoisting mechanism of the first power device driving, the rack uplink positioned at the material frame downstream is connected to discharge conveyer Structure, the rack uplink positioned at discharge conveying mechanism downstream is connected to cache platform, positioned at the cache platform downstream Support roller group is rotatably equipped in the rack；

It also swings and is equipped with for material to be transferred to the cache platform from the discharge conveying mechanism in the rack On material Ding Song mechanism；Stop gauge is equipped with the rack of the cache platform corresponding position；Positioned at the caching The rack above platform is equipped with Lu Liao mechanism.

As an improvement material Ding Song mechanism includes being rotatablely installed in the rocker in the rack, the rocker It is equipped with first straight line driving device close to one end of the discharge conveying mechanism, driving has top in the first straight line driving device Rising stem, the lifting pin are equipped with fixture block, and card slot is equipped between the fixture block and the lifting pin；The other end of the rocker is set Have a second straight line driving device, the both ends of the second straight line driving device respectively with it is hinged on the rocker and the rack.

As a further improvement, the Lu Liao mechanism includes being set in the rack and being driven by the second power device Dynamic smoothes out with the fingers material chain, and described smooth out with the fingers expects that chain is equipped at least one and smoothes out with the fingers material axis to what the cache platform direction extended；

The Lu Liao mechanism is between the stop gauge and the discharge conveying mechanism.

As a further improvement, the stop gauge includes the shaft being rotatablely installed in the rack and is articulated with Third linear drive apparatus in the rack, the shaft are located at the lower section of the cache platform and along the length of the rack Spend direction arrangement；The shaft is equipped with multiple L-shaped striker plates, wherein a striker plate and the third linear drives fill It sets hinged.

It is improved as further, the cache platform includes multiple being set in the rack and being obliquely installed Support plate, the support plate are arranged in a one-to-one correspondence with the striker plate；The high-end close discharge conveyer of the support plate Structure.

As further improvement, the discharge conveying mechanism includes rotational installation in the rack and by third The drive shaft of power device driving, the drive shaft are arranged along the length direction of the rack, and the drive shaft is equipped with more A first belt pulley is rotatably equipped with the second belt in the rack between first belt pulley and the material frame Wheel is equipped with transmission belt between first belt pulley and second belt pulley；

The rack above the transmission belt is equipped with the blocking round tube arranged along the rack length direction.

As further improvement, the hoisting mechanism includes more belt elevators and coaxial with second belt pulley The idler wheel of setting further includes being rotatablely installed in the belt shaft driven in the rack and by first power device, the skin Belt elevator described in tape spool and Duo Gen is arranged along the length direction of the rack；

One end of the belt elevator is set in the rack, and idler wheel described in the other end pile warp of the belt elevator is simultaneously It is fixedly connected with the belt shaft.

As further improvement, the positioning of material end is equipped with the Frame end of the material frame corresponding position and is leaned on Plate, the positioning of material end the distance between the backup plate and the rack are greater than between material Ding Song mechanism and the rack Distance.

As further improvement, the belt shaft extends the end of the rack and is equipped with driving gear, described Rotational installation is engaged on driving gear in the position limited gear in the rack, the position limited gear is equipped with multiple mounting holes, Wherein a mounting hole is equipped with limit contact screw；The rack positioned at the limit contact screw two sides is equipped with peace Seat is filled, is all provided with limit switches in each mounting base.

As further improvement, the support roller group includes the mounting blocks being arranged in a one-to-one correspondence with the support plate, The top lateral rotation of the mounting blocks is equipped with the first idler wheel, and the side vertical rotating of the mounting blocks is equipped with the second rolling Wheel, first idler wheel and second idler wheel mutually stagger setting；

The mounting blocks and the striker plate are distributed in the rack of the support plate two sides.

After above-mentioned technical proposal, the effect of the utility model is：

Due to the elongated class material stock shelf, including rack, rack is equipped with the material frame arranged along the length of the rack, It is equipped with the hoisting mechanism of the first power device driving with the rack of material frame corresponding position, is connected in the rack in material frame downstream There is discharge conveying mechanism, the rack uplink positioned at discharge conveying mechanism downstream is connected to cache platform, positioned at cache platform downstream Support roller group is rotatably equipped in rack；It also swings and is equipped with for material to be transferred to caching from discharge conveying mechanism in rack Material Ding Song mechanism on platform；Stop gauge is equipped with the rack of cache platform corresponding position；Above cache platform Rack be equipped with Lu Liao mechanism, be based on above structure, the elongated class material with stock shelf at work, if dry material is prevented In material frame, lift mechanism lifts material later, in the process of ascension, material can be transferred on discharge conveying mechanism, later Material Ding Song mechanism has sent material to cache platform one by one, and during transfer, the top sending end of material is filled by backgauge Set and stopped, meanwhile, the other end of material is smoothed out with the fingers by Lu Liao mechanism and is brought, rear material stopping device no longer to material carry out Stop, at this point, material is just mobile to support roller group direction, is later sent out the material by other mechanisms.

In conclusion realize the automation to material using the elongated class material stock shelf and convey one by one, meanwhile, Automatic feeding is achieved the effect that carry out material in conveying and has smoothed out with the fingers straight, the smoothness of material feeding and continuous has been effectively ensured Property, compared with tradition, solve the problems, such as easily to break down and influence loading efficiency.

Since material Ding Song mechanism includes being rotatablely installed in the rocker in rack, rocker is close to one end of discharge conveying mechanism Equipped with first straight line driving device, driving has lifting pin in first straight line driving device, and lifting pin is equipped with fixture block, fixture block and top Card slot is equipped between rising stem；The other end of rocker is equipped with second straight line driving device, and the both ends of second straight line driving device are distinguished With it is hinged on rocker and rack, so that second straight line driving device drives rocker to discharge conveying mechanism side when material is sent on top To swing, first straight line driving device drives lifting pin uplink later, by the card slot between fixture block and lifting pin in pendulum face A piece material is blocked, rocker is swung to cache platform direction later, later lifting pin downlink, until material drops down onto cache platform On, using material Ding Song mechanism, structure is simple, effectively ensures the single conveying of material.

Since Lu Liao mechanism includes being set in rack and smoothing out with the fingers material chain by the driving of the second power device, material chain is smoothed out with the fingers Material axis is smoothed out with the fingers equipped with what at least one extended to cache platform direction；Lu Liao mechanism be located at stop gauge and discharge conveying mechanism it Between, so that the rotation drive by smoothing out with the fingers material chain is smoothed out with the fingers material axis circulation action and is completed to material during material top is sent Feeding and smooth out with the fingers straight, structure is simple, and feeding effect is good.

Since stop gauge includes the shaft being rotatablely installed in rack and the third linear drives being articulated in rack dress It sets, shaft is located at the lower section of cache platform and arranges along the length direction of rack；Shaft is equipped with multiple L-shaped striker plates, In a striker plate and third linear drive apparatus it is hinged, thus when material is sent on top, the rotation of third linear drive apparatus drive shaft Turn, shaft rotation drives multiple striker plates to act and protrude cache platform, and then realizes the blocking effect to material, conversely, turning The rotation of axis opposite direction drives striker plate to be located at the lower section of cache platform, and material can be mobile to support roller group direction, to sum up, leads to The striker plate swung is crossed, not only realizes the blocking to material, but also do not influence the movement of material downstream.

Due to cache platform include it is multiple be set to the support plate in rack and being obliquely installed, support plate and striker plate one One is correspondingly arranged；The high-end close discharge conveying mechanism of support plate, to realize material by multiple support plates being obliquely installed To the automatic moving of support roller group, and the swing of striker plate will not be impacted.

Since discharge conveying mechanism includes being rotatablely installed in the drive shaft driven in rack and by third power device, drive Moving axis is arranged along the length direction of rack, and drive shaft is equipped with multiple first belt pulleys, be located at the first belt pulley and material frame it Between rack on be rotatably equipped with the second belt pulley, between the first belt pulley and the second belt pulley be equipped with transmission belt；Positioned at transmission Rack with top is equipped with the blocking round tube arranged along the length of the rack, thus in the process of lift mechanism lifts material In, third power device drives drive shaft turns, and drive shaft just drives the first pulley rotation, and the one the first belt pulleys pass through biography Dynamic band drives the second pulley rotation, and since material frame is connected setting with discharge conveying mechanism, and then improving material change is transferred to On transmission belt, the material on conveyer belt is stopped by blocking round tube, and material batch is avoided to be directly entered cache platform, Blocking to material is not only realized using the discharge conveying mechanism, but also material can effectively be avoided to return in material frame, simultaneously Material can be made successively to tile on the belt, the single top of material progress is sent for material Ding Song mechanism and provides guarantee.

Due to hoisting mechanism include more belt elevators and with the second belt pulley coaxial arrangement idler wheel, further include rotation peace Loaded in rack and belt shaft driven by the first power plant, belt shaft and Duo Gen belt elevator are along the length side of rack To arrangement；One end of belt elevator is set in rack, and the other end pile warp idler wheel of belt elevator is simultaneously fixedly connected with belt shaft, To which in improving material, the first power device drives belt shaft rotation, the rotation of belt shaft will pull belt elevator movement, into And the material in material frame will be elevated skin and pull and be moved up along material frame, structure is simple, to the promotion effect of material It is good.

Backup plate is positioned due to being equipped with material end with the Frame end of material frame corresponding position, material end positions backup plate and machine The distance between frame is greater than the distance between material Ding Song mechanism and rack, so that positioning backup plate by material end ensure that object Expect the regularity in material frame, meanwhile, it effectively prevents material Ding Song mechanism and carries out idle stroke work.

Since belt shaft extends the end of rack and is equipped with driving gear, be engaged on driving gear rotational installation in Position limited gear in rack, position limited gear are equipped with multiple mounting holes, wherein a mounting hole is equipped with limit contact screw；It is located at The rack for limiting contact screw two sides is equipped with mounting base, limit switches is all provided in each mounting base, thus in belt shaft band During dynamic belt elevator work, the detection by two limit switches to limit contact screw, to prevent belt shaft drive from mentioning It rises belt and goes beyond the limit of operating position.

Since support roller group includes the mounting blocks being arranged in a one-to-one correspondence with support plate, the top lateral rotation installation of mounting blocks There is the first idler wheel, the side vertical rotating of mounting blocks is equipped with the second idler wheel, and the first idler wheel and the second idler wheel mutually stagger setting, To be conducive to material in output by the first idler wheel rotated and the second idler wheel, material and the first idler wheel or the second rolling are reduced Frictional force between wheel.

Detailed description of the invention

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of another angle of Fig. 1；

Fig. 3 is the A direction view in Fig. 1；

Fig. 4 is the enlarged drawing of B in Fig. 3；

Fig. 5 is the C direction view in Fig. 2；

Fig. 6 is the enlarged drawing of D in Fig. 2；

In figure, 1- rack；2- material frame；201- material end positions backup plate；202- supporting plate；3- hoisting mechanism；301- first Power device；3011- driving gear；3012- position limited gear；3013- mounting hole；3014- limits contact screw；3015- installation Seat；3016- limit switch；302- belt elevator；303- idler wheel；304- belt shaft；4- discharge conveying mechanism；401- third power Device；402- drive shaft；The first belt pulley of 403-；The second belt pulley of 404-；405- transmission belt；406- stops round tube；5- caching Platform；501- support plate；6- supports roller group；601- mounting blocks；The first idler wheel of 602-；The second idler wheel of 603-；Send machine in 7- material top Structure；701- rocker；702- first straight line driving device；703- lifting pin；704- fixture block；705- card slot；706- second straight line is driven Dynamic device；8- stop gauge；801- shaft；802- third linear drive apparatus；803- striker plate；9- Lu Liao mechanism；901- Two power devices；902- smoothes out with the fingers material chain；903- smoothes out with the fingers material axis；10- material.

Specific embodiment

The utility model is described in further detail below by specific embodiment.

As Fig. 1 and Fig. 2 jointly shown in, a kind of elongated class material stock shelf, including rack 1, the rack 1 is equipped with along machine The material frame 2 of 1 length direction of frame arrangement, the promotion of the first power device 301 driving is equipped with the rack 1 of 2 corresponding position of material frame Mechanism 3,1 uplink of rack positioned at 2 downstream of material frame are connected to discharge conveying mechanism 4, the rack 1 positioned at 4 downstream of discharge conveying mechanism Uplink is connected to cache platform 5, and support roller group 6 is rotatably equipped in the rack 1 in 5 downstream of cache platform；It is also put in the rack 1 The dynamic material Ding Song mechanism 7 being equipped with for being transferred to material 10 from discharge conveying mechanism 4 in cache platform 5；It is flat with caching The rack 1 of 5 corresponding position of platform is equipped with stop gauge 8；Rack 1 above cache platform 5 is equipped with Lu Liao mechanism 9, should Lu Liao mechanism 9 is between stop gauge 8 and discharge conveying mechanism 4.

As Fig. 1 and Fig. 3 jointly shown in, material Ding Song mechanism 7 include rotational installation in the rocker 701 in rack 1, the pendulum Frame 701 is equipped with first straight line driving device 702 close to one end of discharge conveying mechanism 4, drives in the first straight line driving device 702 Dynamic to have lifting pin 703, which is equipped with fixture block 704, and (the ginseng of card slot 705 is equipped between the fixture block 704 and lifting pin 703 See Fig. 4)；The other end of the rocker 701 is equipped with second straight line driving device 706, the both ends point of the second straight line driving device 706 Not with it is hinged on rocker 701 and rack 1, in the present solution, the first straight line driving device 702 and second straight line driving device 706 be cylinder.

As shown in Figure 1, Figure 2 and Fig. 3 is jointly shown, which includes being set in rack 1 and by the second power device Material chain 902 is smoothed out with the fingers in 901 drivings, this is smoothed out with the fingers material chain 902 and arranges along the length direction of rack 1, and is smoothed out with the fingers material chain 902 and be equipped with extremely Few one is smoothed out with the fingers material axis 903 to the extension of 5 direction of cache platform, in the present solution, second power device 901 is motor drive Sprocket wheel.

As Fig. 1 and Fig. 3 jointly shown in, the stop gauge 8 include rotational installation in rack 1 shaft 801 and be articulated with Third linear drive apparatus 802 in rack 1, the shaft 801 are located at the lower section of cache platform 5 and along the length directions of rack 1 Arrangement；The shaft 801 is equipped with multiple L-shaped striker plates 803, wherein a striker plate 803 is cut with scissors with third linear drive apparatus 802 It connects, in the present solution, the third linear drive apparatus 802 is cylinder.

As Fig. 1 and Fig. 3 jointly shown in, which includes multiple being set to the support in rack 1 and being obliquely installed Plate 501, identical distance is equipped between adjacent two support plate 501, which is arranged in a one-to-one correspondence with striker plate 803；It should The high-end close discharge conveying mechanism 4 and the two of support plate 501 are connected setting.

As Fig. 1 and Fig. 3 jointly shown in, the discharge conveying mechanism 4 include rotational installation in rack 1 and by third power The drive shaft 402 that device 401 drives, the drive shaft 402 are arranged along the length direction of rack 1, and drive shaft 402 is equipped with multiple First belt pulley 403 is rotatably equipped with the second belt pulley 404 in the rack 1 between the first belt pulley 403 and material frame 2, should Transmission belt 405 is equipped between first belt pulley 403 and the second belt pulley 404；Rack 1 above transmission belt 405 is equipped with Along the blocking round tube 406 of 1 length direction of rack arrangement, preferably, the blocking round tube 406 leans with transmission belt 405；At this In in scheme, which is motor drive chain-drive mechanism.

As Fig. 1 and Fig. 2 jointly shown in, which includes more belt elevators 302 and same with the second belt pulley 404 The idler wheel 303 of axis setting, the diameter of second belt pulley 404 are identical as the diameter of idler wheel 303；It further include rotational installation in rack The belt shaft 304 driven on 1 and by the first power device 301, the direction of rotation of the belt shaft 304 and the transmission of transmission belt 405 Direction is identical, and the belt shaft 304 and Duo Gen belt elevator 302 are arranged along the length direction of rack 1, and adjacent two belt elevator Identical distance is equipped between 302；One end of the belt elevator 302 is set in rack 1, the belt elevator 302 it is another End pile warp idler wheel 303 is simultaneously fixedly connected with belt shaft 304.

It is equipped with material end positioning backup plate 201 (referring to Fig. 1) with 1 end of rack of 2 corresponding position of material frame, preferably, Material end positioning backup plate 201 and material Ding Song mechanism 7 are set to the same end of rack 1, which positions backup plate 201 The distance between rack 1 is greater than material Ding Song mechanism 7 (specially：The distance between lifting pin 703) and rack 1；The material frame 2 It is composed of supporting plate 202 and 202 machine frame at two sides 1 of supporting plate, which is arranged in a one-to-one correspondence with belt elevator 302.

As Fig. 2 and Fig. 5 jointly shown in, which extends the end of rack 1 and is directly machined with driving gear 3011, the driving gear 3011 and material end position the both ends that backup plate 201 is distributed in rack 1, nibble on the driving gear 3011 Conjunction has rotational installation in the position limited gear 3012 in rack 1, which is equipped with multiple mounting holes 3013, wherein one Mounting hole 3013 is equipped with limit contact screw 3014；Rack 1 positioned at limit 3014 two sides of contact screw is equipped with mounting base 3015, limit switches 3016 are all provided in each mounting base 3015.

As shown in fig. 6, the support roller group 6 includes the mounting blocks 601 being arranged in a one-to-one correspondence with support plate 501, the mounting blocks Lateral rotation is equipped with the first idler wheel 602 on 601 upper surface, and the side vertical rotating of the mounting blocks 601 is equipped with the second rolling Wheel 603, first idler wheel 602 and the second idler wheel 603 mutually stagger setting；The mounting blocks 601 and striker plate 803 are distributed in support In the rack 1 of 501 two sides of plate, preferably, first idler wheel 602 protrusion mounting blocks 601 are equipped with the side of 603 side of the second idler wheel Face, second idler wheel 603 protrude the upper surface of mounting blocks 601.

The executive devices such as the cylinder and motor mentioned in the present embodiment are current routine techniques, in April, 2008 north The 28th printing in capital the 5th edition《Mechanical design handbook the 5th edition》In it is detailed disclose cylinder, motor and other biography The specific structure and principle of motivation structure and other designs, belong to the prior art, and structure is cheer and bright, and on 08 01st, 2008 It is just detailed in modern times practical the 3rd edition SMC training materials of pneumatics published by China Machine Press to disclose vacuum member Part, gas return path and process control, showing the gas circuit structure in the present embodiment is also existing technology, cheer and bright, It is published by Chemical Industry Press on 07 01st, 2015《Motor driven and speed regulation》Also the detailed motor of describing in book Control and travel switch, therefore, circuit, air circuit connection are all clear.

Embodiment described above is only the description to preferred embodiments of the present invention, not as to the utility model The restriction of range is made technical solutions of the utility model various on the basis of not departing from the spirit of the design of the utility model Deformation and transformation should all be fallen into the protection scope of claims determination of the utility model.

Claims (10)

1. a kind of elongated class material stock shelf, including rack, it is characterised in that：The rack is equipped with along the rack length The material frame of direction arrangement, the hoisting mechanism of the first power device driving is equipped with the rack of the material frame corresponding position, The rack uplink positioned at the material frame downstream is connected to discharge conveying mechanism, described in discharge conveying mechanism downstream Rack uplink is connected to cache platform, is rotatably equipped with support roller group in the rack in the cache platform downstream；

It also swings and is equipped with for material to be transferred in the cache platform from the discharge conveying mechanism in the rack Material Ding Song mechanism；Stop gauge is equipped with the rack of the cache platform corresponding position；Positioned at the cache platform The rack of top is equipped with Lu Liao mechanism.

2. elongated class material stock shelf as described in claim 1, it is characterised in that：Material Ding Song mechanism includes rotation The rocker being installed in the rack, the rocker are equipped with first straight line driving dress close to one end of the discharge conveying mechanism It sets, driving has lifting pin in the first straight line driving device, and the lifting pin is equipped with fixture block, the fixture block and the jacking Card slot is equipped between bar；The other end of the rocker be equipped with second straight line driving device, the two of the second straight line driving device End respectively with it is hinged on the rocker and the rack.

3. elongated class material stock shelf as claimed in claim 2, it is characterised in that：The Lu Liao mechanism includes being set to institute It states and smoothes out with the fingers material chain in rack and by the driving of the second power device, the material chain of smoothing out with the fingers is equipped at least one to the caching What platform direction extended smoothes out with the fingers material axis；

The Lu Liao mechanism is between the stop gauge and the discharge conveying mechanism.

4. elongated class material stock shelf as claimed in claim 3, it is characterised in that：The stop gauge includes rotational installation In the shaft in the rack and the third linear drive apparatus being articulated in the rack, it is flat that the shaft is located at the caching The lower section of platform is simultaneously arranged along the length direction of the rack；The shaft is equipped with multiple L-shaped striker plates, wherein described in one Striker plate and the third linear drive apparatus are hinged.

5. elongated class material stock shelf as claimed in claim 4, it is characterised in that：The cache platform includes multiple settings In in the rack and the support plate that is obliquely installed, the support plate are arranged in a one-to-one correspondence with the striker plate；The support plate The high-end close discharge conveying mechanism.

6. such as elongated class material stock shelf described in any one of claim 1 to 5, it is characterised in that：The discharge conveyer Structure includes being rotatablely installed in the drive shaft driven in the rack and by third power device, and the drive shaft is along the rack Length direction arrangement, and the drive shaft be equipped with multiple first belt pulleys, be located at first belt pulley and the material frame Between the rack on be rotatably equipped with the second belt pulley, between first belt pulley and second belt pulley be equipped with pass Dynamic band；

The rack above the transmission belt is equipped with the blocking round tube arranged along the rack length direction.

7. elongated class material stock shelf as claimed in claim 6, it is characterised in that：The hoisting mechanism includes more promotions Belt and the idler wheel being coaxially disposed with second belt pulley further include rotational installation in the rack and by described first Belt elevator described in the belt shaft of power device driving, the belt shaft and Duo Gen is arranged along the length direction of the rack；

One end of the belt elevator is set in the rack, idler wheel described in the other end pile warp of the belt elevator and with institute Belt shaft is stated to be fixedly connected.

8. elongated class material stock shelf as claimed in claim 7, it is characterised in that：With described in the material frame corresponding position Frame end is equipped with material end and positions backup plate, and the positioning of material end the distance between the backup plate and the rack are greater than described The distance between material Ding Song mechanism and the rack.

9. elongated class material stock shelf as claimed in claim 8, it is characterised in that：The belt shaft extends the rack End and be equipped with driving gear, rotational installation is engaged on the driving gear in the position limited gear in the rack, it is described Position limited gear is equipped with multiple mounting holes, wherein a mounting hole is equipped with limit contact screw；It is contacted positioned at the limit The rack of screw two sides is equipped with mounting base, is all provided with limit switches in each mounting base.

10. elongated class material stock shelf as claimed in claim 5, it is characterised in that：The support roller group include with it is described The mounting blocks that support plate is arranged in a one-to-one correspondence, the top lateral rotation of the mounting blocks are equipped with the first idler wheel, the mounting blocks Side vertical rotating the second idler wheel is installed, first idler wheel and second idler wheel mutually stagger setting；

The mounting blocks and the striker plate are distributed in the rack of the support plate two sides.