CN214289456U - Bar length screening equipment - Google Patents

Abstract

The utility model discloses a bar length screening device, which comprises a conveying part and a climbing conveying device, wherein the conveying part comprises a first conveying device and a second conveying device; the conveying component is suitable for conveying bars, and the bars are provided with separating stations in the conveying process; the bars comprise long bars and short bars with aligned heads; said first conveying means being adapted to convey the long and short bars before the separating station and to convey the long bars along the first path after the bars have been conveyed to the separating station; the climbing conveying device is suitable for lifting the tail of the long bar so that the long bar does not contact the second conveying device and the short bar contacts the second conveying device under the conveying of the first conveying device; the second conveyor is adapted to convey short rods in contact with the second conveyor along a second path. The utility model discloses can pick automatically and reject short rod, reduce cost of labor and workman's intensity of labour, improve the efficiency of picking, avoid leaking and select.

Description

Bar length screening equipment

Technical Field

The utility model relates to a bar length screening installation.

Background

Currently, during the production of bars, semi-finished continuous bars, one by one, need to be cut into finished bars of a given length. But some short rods with unsatisfactory length can be obtained by cutting in the cutting process, and the short rods need to be picked and rejected in order to ensure the quality of products. At present, the work of picking and rejecting of short bars is mainly manually completed by workers, so that the labor intensity of the workers is increased, the labor cost is increased, the manual picking efficiency is low, and the picking omission can be caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art's defect, provide a rod length screening installation, it can be picked automatically and reject short rod, reduces cost of labor and workman's intensity of labour, improves the efficiency of picking, avoids leaking and selects.

In order to solve the technical problem, the technical scheme of the utility model is that: the bar length screening equipment comprises a conveying part and a climbing conveying device, wherein the conveying part comprises a first conveying device and a second conveying device;

the conveying component is suitable for conveying bars, and the bars are provided with separating stations in the conveying process; wherein the bars comprise long bars and short bars with aligned heads;

said first conveying means being adapted to convey said long and short bars before the separating station and to convey said long bars along a first path after the bars are conveyed to the separating station;

the climbing conveying device is suitable for lifting the tail of the long bar at least in the process that the bar is at the separation station so that the long bar does not contact the second conveying device and the short bar contacts the second conveying device under the conveying of the first conveying device;

said second conveying means being adapted to convey the short bars in contact with the second conveying means along a second path when the bars reach the separating station; wherein the first path and the second path are different in direction.

Further provided is a specific embodiment of the first conveying device, which comprises a first driving mechanism and at least one group of conveying assemblies; wherein the content of the first and second substances,

the conveying assembly comprises a main conveying wheel and a rotatable auxiliary conveying wheel which can be driven to rotate, and a conveying belt which is connected between the main conveying wheel and the auxiliary conveying wheel and is suitable for carrying the bars;

the first driving mechanism is directly or indirectly connected with the main conveying wheel to drive the main conveying wheel to rotate.

Further, a specific solution of the second conveying device is provided, wherein the second conveying device comprises a second driving mechanism and at least one conveying roller which is suitable for bearing the bar and can be driven to rotate;

the second driving mechanism is connected with the conveying rollers and is suitable for driving the conveying rollers to rotate so as to convey the bars borne on the conveying rollers.

The conveying roller is characterized in that a spiral groove which is matched with the diameter of the bar material and is convenient for being clamped into the short bar material is arranged on the outer peripheral portion of the conveying roller, and the spiral groove is used for driving the short bar material to move along the axial direction of the conveying roller when the conveying roller is driven to rotate to convey the short bar material.

Further provides a concrete structure of the climbing conveying device, wherein the climbing conveying device comprises a driving wheel, a driven wheel, a transmission chain and a climbing driving mechanism; wherein the content of the first and second substances,

the transmission chain is connected to the driving wheel and the driven wheel;

the climbing driving mechanism is connected with the driving wheel and is suitable for driving the driving wheel to rotate;

the transmission chain is provided with a chain feeding part, and at least one part of the chain feeding part forms a lifting conveying part which is inclined upwards along the conveying direction of the transmission chain so as to enable the tail part of the long bar to be lifted during the conveying process of the long bar.

Furthermore, a plurality of baffles and a plurality of limiting strips are connected to the transmission chain; wherein the content of the first and second substances,

the limiting strips are sequentially arranged along the motion path of the transmission chain, and an accommodating groove suitable for accommodating the tail part of the long bar is formed between any two adjacent limiting strips;

the baffles are sequentially arranged along the motion path of the transmission chain and are suitable for abutting against the tail part of the long bar borne on the upper chain part so as to prevent the long bar from moving along the axial direction of the long bar; wherein the content of the first and second substances,

in the baffle plate moved to the upper chain portion, there is no gap between any adjacent two baffle plates in the axial direction of the rod material.

Further, the bar length screening equipment also comprises a discharging conveying device which is suitable for receiving the short bars sent by the second conveying device;

the climbing conveying device is arranged between the second conveying device and the unloading conveying device;

and a passage channel for the short bars to pass through is arranged in the climbing conveying device.

Further provides a concrete scheme of the unloading and conveying device, wherein the unloading and conveying device comprises a lifting conveying mechanism and a blanking conveying mechanism; wherein the content of the first and second substances,

the lifting conveying mechanism is connected to the rack in a sliding mode along the vertical direction and provided with a rising position and a falling position in the sliding process, and the lifting conveying mechanism is suitable for sliding to the rising position so as to receive the short bars sent by the second conveying device;

the blanking conveying mechanism is connected to the rack and is suitable for receiving the short bars on the lifting conveying mechanism and conveying the short bars to be blanked when the lifting conveying mechanism slides to the descending position.

Further provides a concrete scheme of the lifting conveying mechanism and the blanking conveying mechanism, wherein the lifting conveying mechanism comprises a lifting seat, a lifting driving mechanism, a roller driving mechanism and at least two rollers; wherein the content of the first and second substances,

the lifting seat is connected to the rack in a sliding manner along the vertical direction;

the roller is rotatably connected to the lifting seat and is suitable for receiving the short bars sent by the second conveying device;

the lifting driving mechanism is connected with the lifting seat and is suitable for driving the lifting seat to lift and slide;

the roller driving mechanism is connected with at least part of the rollers and is suitable for driving the rollers connected with the roller driving mechanism to rotate so as to convey the short bars borne on the rollers;

the blanking conveying mechanism comprises a blanking driving mechanism, at least two main blanking wheels, slave blanking wheels in one-to-one correspondence with the main blanking wheels and blanking belts in respective correspondence with the main blanking wheels and the slave blanking wheels; wherein the content of the first and second substances,

the main blanking wheel and the auxiliary blanking wheel are respectively and rotatably connected to the rack;

the blanking belts are connected to the corresponding main blanking wheel and the corresponding auxiliary blanking wheel and are suitable for bearing the short bars on the rollers when the lifting seat descends to the right position;

the feeding belt and the roller are arranged at intervals;

the blanking driving mechanism is connected with the main blanking wheel and is suitable for driving the main blanking wheel to rotate so as to drive the blanking belt to convey the short bars on the blanking belt.

The working method of the bar length screening equipment comprises the following steps:

s1: the first conveying means convey the long and short bars before the separating station towards the separating station;

s2: the climbing conveying device lifts the tail of the long bar so that the long bar does not contact the second conveying device in the process of passing through the separation station and the short bar contacts the second conveying device under the conveying of the first conveying device;

s3: the first conveying device conveys the long bars along a first path after the long bars are conveyed to a separation station, and the second conveying device conveys the short bars contacted with the second conveying device along a second path to the lifting conveying mechanism when the short bars reach the separation station; wherein the first path and the second path are different in direction;

s4: the lifting conveying mechanism receives the short rods sent by the second conveying device, conveys the received short rods to completely move to the lifting conveying mechanism, and then the lifting conveying mechanism slides to the descending position;

s5: and the blanking conveying mechanism receives the short bars on the lifting conveying mechanism and conveys the short bars to be blanked in the process that the lifting conveying mechanism slides to the descending position.

After the technical scheme is adopted, the first conveying device conveys the long bars and the short bars to move towards the separation station before the separation station; then the climbing conveying device lifts the tail part of the long bar so that the long bar does not contact the second conveying device in the process of passing through the separation station and the short bar contacts the second conveying device under the conveying of the first conveying device; then the first conveying device conveys the long bar along a first path after the long bar is conveyed to a separation station, and the second conveying device conveys the short bar contacted with the second conveying device along a second path to the lifting conveying mechanism when the short bar reaches the separation station; wherein the first path and the second path are different in direction; then the lifting conveying mechanism receives the short bars sent by the second conveying device, conveys the received short bars to completely move to the lifting conveying mechanism, and then the lifting conveying mechanism slides to the descending position; and then the blanking conveying mechanism receives the short bars on the lifting conveying mechanism and conveys the short bars to be blanked in the process that the lifting conveying mechanism slides to the descending position. Can will automatically through this equipment short rod and long rod part, and then can pick and reject short rod has reduced cost of labor and workman's intensity of labour, has improved the efficiency of picking, has avoided leaking to pick.

After the climbing conveying device lifts the tail of the long bar, the head of the long bar is borne on the first conveying device, and the first conveying device and the climbing conveying device convey the long bar together to move so that the long bar does not contact the second conveying device in the process of passing through the separation station; and the short bar is short in length, and the tail part of the short bar cannot be borne on the climbing conveying device, so that the short bar is conveyed to be in contact with the second conveying device by the first conveying device.

Drawings

Fig. 1 is a schematic structural view of a bar length screening apparatus of the present invention;

fig. 2 is a schematic structural diagram of the first conveying device and the second conveying device of the present invention;

FIG. 3 is a schematic structural view of the conveying roller of the present invention;

fig. 4 is a schematic structural view of the climbing conveying device of the invention;

fig. 5 is a front view of the climbing conveying device of the invention;

fig. 6 is a schematic structural diagram of the transmission chain of the present invention;

fig. 7 is a partial detail view of the drive chain of the present invention;

fig. 8 is a top view of the drive chain of the present invention;

fig. 9 is a schematic structural view of the tensioner of the present invention;

fig. 10 is a schematic structural view of the unloading and conveying device of the present invention;

fig. 11 is a front view of the discharging conveyor of the present invention.

Detailed Description

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.

As shown in fig. 1 to 11, a bar length screening apparatus comprises a conveying part and a climbing conveying device 300, wherein the conveying part comprises a first conveying device 100 and a second conveying device 200;

the conveying component is suitable for conveying bars, and the bars are provided with separating stations in the conveying process; wherein the bars comprise long bars and short bars with aligned heads;

said first conveyor 100 is adapted to convey said long and short bars before the separating station and to convey said long bars along a first path after the bars are conveyed to the separating station;

the climbing conveyor 300 is adapted to lift the tail of the long bar at least during the bar being in the separating station so that the long bar does not contact the second conveyor 200 and so that the short bar contacts the second conveyor 200 under the conveying of the first conveyor 100;

said second conveyor 200 is adapted to convey the short bars in contact with the second conveyor 200 along a second path when the bars reach the separating station; wherein, first route and second route direction are different, and then make long rod with short rod parts, and then can choose to reject short rod has reduced cost of labor and workman's intensity of labour, has improved the efficiency of choosing, has still avoided lou to choose. Specifically, the first path is perpendicular to the second path; the bar length screening equipment further comprises a frame 1, and the first conveying device 100, the second conveying device 200 and the climbing conveying device 300 are connected to the frame 1. More specifically, the long rod returns to the first conveying device 100 after passing through the separating station; the long bar is a bar with the length larger than a set value, and the short bar is a bar with the length smaller than or equal to the set value. In this embodiment, after the climbing conveyor 300 lifts the tail of the long bar, the head of the long bar is carried on the first conveyor 100, and the first conveyor 100 and the climbing conveyor 300 jointly convey the long bar to move, so that the long bar does not contact the second conveyor 200 during the process of passing through the separation station; due to the short length of the short bar, the tail of the short bar is not supported on the climbing conveyor 300, so the short bar is conveyed by the first conveyor 100 to contact the second conveyor 200.

As shown in FIGS. 1-3, the first conveyor 100 may be configured, for example and without limitation, to include a first drive mechanism 2 and at least one set of conveyor assemblies; wherein the content of the first and second substances,

the conveyor assembly comprises a main conveyor wheel 3 and a secondary conveyor wheel 4 and a conveyor belt 5 connected between the main conveyor wheel 3 and the secondary conveyor wheel 4 and adapted to carry the bars;

the first driving mechanism 2 is directly or indirectly connected with the main conveying wheel 3 to drive the main conveying wheel 3 to rotate, so as to drive the conveying belt 5 to convey the short bars and the long bars to move; specifically, the main conveying wheel 3 and the auxiliary conveying wheel 4 are respectively connected to the frame 1 in a rotating manner.

As shown in fig. 1 to 3, the second conveyor 200 is, for example, but not limited to, a structure comprising a second drive mechanism 6 and at least one conveyor roller 7 adapted to carry the bar;

the second driving mechanism 6 is connected with the conveying roller 7 and is suitable for driving the conveying roller 7 to rotate so as to convey the bar materials loaded on the conveying roller 7; in this embodiment, the conveying roller 7 is rotatably connected to the frame 1, and the conveying roller 7 and the conveying belt 5 are spaced from each other;

the conveying roller 7 includes a tapered portion 9 and a cylindrical portion 10 which are provided in this order in the conveying direction of the first conveying device 100; wherein the tapered portion 9 gradually increases in the conveying direction of the first conveying device 100, the upper end of the foremost end of the tapered portion 9 is lower than the upper end of the conveying belt 5, so that the short bars on the conveying belt 5 can smoothly move onto the conveying rollers 7, and the upper end of the outer circumferential portion of the cylindrical portion 10 is higher than the upper end of the conveying belt 5;

in this embodiment, all the main conveying wheels 3 are connected to a rotating shaft and are rotationally connected to the frame 1 through the rotating shaft, and the first driving mechanism 2 includes a first motor, and the first motor is connected to the main conveying wheels 3 through a chain drive; the second driving mechanism 6 comprises second motors which are in one-to-one correspondence with the conveying rollers 7, and the second motors are in transmission connection with the corresponding conveying rollers 7 through chain transmission.

As shown in fig. 3, a spiral groove 8 adapted to the diameter of the rod is provided on the outer periphery of the conveying roller 7 so as to be engaged with the short rod, and the spiral groove 8 is configured to drive the short rod to move along the axial direction of the conveying roller 7 when the conveying roller 7 is driven to rotate to convey the short rod.

As shown in fig. 1, 4-9, the climbing conveying device 300 is, for example and without limitation, a structure including a driving wheel 11, a driven wheel 12, a transmission chain 13 and a climbing driving mechanism 15; wherein the content of the first and second substances,

the transmission chain 13 is connected to the driving wheel 11 and the driven wheel 12;

the climbing driving mechanism 15 is connected with the driving wheel 11 and is suitable for driving the driving wheel 11 to rotate;

the transmission chain 13 is provided with a chain feeding part 16, and at least one part of the chain feeding part 16 forms a lifting conveying part 21 which is inclined upwards along the conveying direction of the transmission chain 13 so as to lift the tail part of the long bar material during the conveying process of the long bar material; specifically, the driving wheel 11 and the driven wheel 12 are respectively rotatably connected to the frame 1, the transmission chain 13 further has a lower chain portion 17, the frame 1 is further connected to a supporting bridge 14, and the supporting bridge 14 is connected to the frame 1 and adapted to lift the upper chain portion 16 so that at least a portion of the upper chain portion 16 forms the ascending conveying portion 21.

Specifically, the supporting bridge 14 includes an ascending bridge 18, a transition bridge 19, and a descending bridge 20, and the supporting bridge 14 forms an ascending conveyor portion 21 corresponding to the ascending bridge 18, a transition conveyor portion 22 corresponding to the transition bridge 19, and a descending conveyor portion 23 corresponding to the descending bridge 20 in the ascending bridge 16 after the ascending bridge 16 is lifted up.

As shown in fig. 4 to 9, a plurality of baffles 24 and a plurality of limiting strips 25 can be connected to the transmission chain 13; wherein the content of the first and second substances,

the limiting strips 25 are sequentially arranged along the motion path of the transmission chain 13, and an accommodating groove suitable for accommodating the tail of the long rod is formed between any two adjacent limiting strips 25;

a plurality of said baffles 24 are arranged in sequence along the movement path of said transmission chain 13 and are adapted to abut against the tail of the long bar carried on said upper chain portion 16 to prevent the long bar from moving in the axial direction of the long bar; wherein the content of the first and second substances,

among the flaps 24 moved to the upper link portion 16, any adjacent two flaps 24 have no gap therebetween in the axial direction of the rod material; specifically, the flaps 24 are arranged to be inclined in the conveying direction of the drive chain 13 so that a part of one flap 24 overlaps a part of the other flap 24 of any adjacent two flaps 24 that move onto the upper chain portion 16.

Specifically, the driving chain 13 includes at least one base belt 26 and a plurality of base plates 27; wherein the content of the first and second substances,

the base belt 26 is connected to the driving wheel 11 and the driven wheel 12;

the substrates 27 are sequentially arranged along the extending direction of the base tape 26 and connected to the base tape 26;

the baffle plates 24 and the limiting strips 25 are respectively in one-to-one correspondence with the base plates 27 and are respectively connected to the corresponding base plates 27.

In this embodiment, the climbing conveyor 300 further includes two tensioning devices 400, the driving wheel 11 is rotatably connected to the frame 1 through one of the tensioning devices 400, and the driven wheel 12 is rotatably connected to the frame 1 through the other tensioning device 400; wherein the tensioning device 400 includes at least one tensioning mechanism, such as, but not limited to, the following, which includes:

the tensioning seat 28 is connected to the frame 1 in a sliding manner, and the driving wheel 11 and the driven wheel 12 are respectively connected to the corresponding tensioning seat 28 in a rotating manner;

a screw 29, wherein the screw 29 is screwed on the frame 1, and one end of the screw 29 is rotatably connected to the tension seat 28, so that the screw 29 is screwed to drive the tension seat 28 to slide on the frame 1, and further drive the driving wheel 11 or the driven wheel 12 connected to the tension seat 28 to abut against the transmission chain 13, thereby tensioning the transmission chain 13;

a nut 30, said nut 30 being threaded onto said screw 29 and adapted to be screwed into position against said frame 1 to lock said screw 29 and said tensioning seat 28 when said tensioning seat 28 is slid into position.

As shown in fig. 1, 10 and 11, the bar length screening apparatus may further comprise a discharge conveyor 500 adapted to receive the short bars fed by the second conveyor 200;

the climbing conveying device 300 is arranged between the second conveying device 200 and the unloading conveying device 500;

a passage channel 31 for the short bars to pass through is arranged in the climbing conveying device 300; in particular, the passage channel 31 is provided in the support bridge 14.

As shown in fig. 1, 10 and 11, the discharging conveying device 500 may include a lifting conveying mechanism 600 and a discharging conveying mechanism 700; wherein the content of the first and second substances,

the lifting conveying mechanism 600 is connected to the frame 1 in a sliding manner along the vertical direction and has a rising position and a falling position in the sliding process, and the lifting conveying mechanism 600 is suitable for sliding to the rising position so as to receive the short bars sent by the second conveying device 200;

the blanking conveying mechanism 700 is connected to the frame 1 and is adapted to receive the short bars on the lifting conveying mechanism 600 and convey the short bars to be blanked when the lifting conveying mechanism 600 slides to the descending position; specifically, in this embodiment, a receiving groove 32 adapted to receive the short bar material conveyed from the blanking conveying mechanism 700 is further provided.

As shown in fig. 1, 10 and 11, the lifting and conveying mechanism 600 is, for example, but not limited to, a structure including a lifting seat 33, a lifting driving mechanism, a roller driving mechanism 34 and at least two rollers 35; wherein the content of the first and second substances,

the lifting seat 33 is connected to the frame 1 in a sliding manner along the vertical direction;

the roller 35 is rotatably connected to the lifting seat 33 and is adapted to receive the short bars from the second conveyor 200;

the lifting driving mechanism is connected with the lifting seat 33 and is suitable for driving the lifting seat 33 to lift and slide;

the roller driving mechanism 34 is connected with at least part of the rollers 35 and is suitable for driving the rollers 35 connected with the roller driving mechanism to rotate so as to convey short bars borne on the rollers 35;

the blanking conveying mechanism 700 includes, for example and without limitation, a blanking driving mechanism 36, at least two main blanking wheels 37, slave blanking wheels 38 corresponding to the main blanking wheels 37 one by one, and blanking belts 39 corresponding to the main blanking wheels 37 and the slave blanking wheels 38, respectively; wherein the content of the first and second substances,

the main blanking wheel 37 and the auxiliary blanking wheel 38 are respectively and rotatably connected to the frame 1;

the blanking belt 39 is connected to the corresponding main blanking wheel 37 and the corresponding slave blanking wheel 38 and is adapted to receive the short bars on the roller 35 when the lifting seat 33 is lowered into position;

the feeding belt 39 and the roller 35 are arranged at intervals;

the blanking driving mechanism 36 is connected with the main blanking wheel 37 and is suitable for driving the main blanking wheel 37 to rotate so as to drive the blanking belt 39 to convey the short bars on the blanking belt 39; specifically, the blanking driving mechanism 36 includes a blanking motor, and the blanking motor is connected with the main blanking wheel 37 through chain transmission. When the lifting seat 33 slides to the lifting position, the roller 35 is higher than the upper end of the blanking belt 39, and the short rods are borne on the roller 35; when the lifting seat 33 slides to the lowered position, the roller 35 is lower than the upper end of the blanking belt 39, and the short rods on the roller 35 are borne on the blanking belt 39.

In this embodiment, the lifting driving mechanism may include at least one lifting cylinder, a cylinder body of the lifting cylinder is connected to the frame 1, and a piston rod of the lifting cylinder is connected to the lifting seat 33. The roller driving mechanism 34 comprises a roller 35 motor corresponding to the roller 35, and the roller 35 motor is connected with the corresponding roller 35 through chain transmission and is suitable for driving the roller 35 to rotate; the lifting seat 33 comprises an installation part 40 corresponding to the roller 35, the lower end part of the installation part 40 is connected to the lifting seat 33, and the roller 35 is rotatably connected to the upper end part of the corresponding installation part 40.

Specifically, the working method of the bar length screening equipment comprises the following steps:

s1: the first conveyor 100 conveys the long and short bars before the separating station towards the separating station;

s2: the climbing conveyor 300 lifts the tail of the long bar so that the long bar does not contact the second conveyor 200 during the process of passing through the separation station and so that the short bar contacts the second conveyor 200 under the conveying of the first conveyor 100;

s3: the first conveyor 100 conveys the long bars along a first path after the long bars are conveyed to the separating station, and the second conveyor 200 conveys the short bars contacted therewith along a second path to the lifting and conveying mechanism 600 when the short bars reach the separating station; wherein the first path and the second path are different in direction;

s4: the lifting conveying mechanism 600 receives the short bars sent by the second conveying device 200, conveys the received short bars to completely move onto the lifting conveying mechanism 600, and then the lifting conveying mechanism 600 slides to the descending position;

s5: the blanking conveying mechanism 700 receives the short bars on the lifting conveying mechanism 600 and conveys the short bars to be blanked in the process that the lifting conveying mechanism 600 slides to the descending position.

The working principle of the utility model is as follows:

the first conveyor 100 conveys the long and short bars before the separating station towards the separating station; the climbing conveyor 300 then lifts the tail of the long bar so that the long bar does not contact the second conveyor 200 during the passage through the separation station and so that the short bar contacts the second conveyor 200 under the conveyance of the first conveyor 100; then the first conveyor 100 conveys the long bar along a first path after the long bar is conveyed to a separation station, and the second conveyor 200 conveys the short bar contacted therewith along a second path to the lifting and conveying mechanism 600 when the short bar arrives at the separation station; wherein the first path and the second path are different in direction; then the lifting conveying mechanism 600 receives the short bars sent by the second conveying device 200, and conveys the received short bars to completely move onto the lifting conveying mechanism 600, and then the lifting conveying mechanism 600 slides to the descending position; then, the blanking conveying mechanism 700 receives the short bars on the lifting conveying mechanism 600 and conveys the short bars to be blanked in the process that the lifting conveying mechanism 600 slides to the descending position. Can will automatically through this equipment short rod and long rod part, and then can pick and reject short rod has reduced cost of labor and workman's intensity of labour, has improved the efficiency of picking, has avoided leaking to pick.

After the climbing conveying device 300 lifts the tail of the long bar, the head of the long bar is borne on the first conveying device 100, and the first conveying device 100 and the climbing conveying device 300 jointly convey the long bar to move, so that the long bar does not contact the second conveying device 200 in the process of passing through the separation station; due to the short length of the short bar, the tail of the short bar is not supported on the climbing conveyor 300, so the short bar is conveyed by the first conveyor 100 to contact the second conveyor 200.

The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.

Claims (10)

1. A bar length screening apparatus, characterized in that it comprises a conveying member and a climbing conveyor (300), said conveying member comprising a first conveyor (100) and a second conveyor (200);

the conveying component is suitable for conveying bars, and the bars are provided with separating stations in the conveying process; wherein the bars comprise long bars and short bars with aligned heads;

said first conveying means (100) being adapted to convey said long and short bars before the separating station and to convey said long bars along a first path after the bars are conveyed to the separating station;

the climbing conveyor (300) is adapted to lift the tail of the long bar at least during the bar being in the separating station so that the long bar does not contact the second conveyor (200) and so that the short bar contacts the second conveyor (200) under the conveying of the first conveyor (100);

said second conveying means (200) being adapted to convey short bars in contact with the second conveying means (200) along a second path when the bars reach the separating station; wherein the first path and the second path are different in direction.

2. Bar length screening apparatus according to claim 1, wherein the first conveyor (100) comprises a first drive mechanism (2) and at least one set of conveyor assemblies; wherein the content of the first and second substances,

the conveying assembly comprises a main conveying wheel (3) and a rotatable auxiliary conveying wheel (4) which can be driven to rotate, and a conveying belt (5) which is connected between the main conveying wheel (3) and the auxiliary conveying wheel (4) and is suitable for carrying bars;

the first driving mechanism (2) is directly or indirectly connected with the main conveying wheel (3) to drive the main conveying wheel (3) to rotate.

3. Bar length screening apparatus according to claim 1, wherein the second conveyor means (200) comprise a second drive mechanism (6) and at least one conveyor roller (7) adapted to carry the bars and drivable in rotation;

the second driving mechanism (6) is connected with the conveying rollers (7) and is suitable for driving the conveying rollers (7) to rotate so as to convey the bars loaded on the conveying rollers (7).

4. Bar length screening apparatus according to claim 3, wherein the conveying rollers (7) are provided on their outer circumference with a spiral groove (8) adapted to the diameter of the bars in order to snap into the short bars, the spiral groove (8) being adapted to bring the short bars to move axially along the conveying rollers (7) when the conveying rollers (7) are driven to rotate for conveying the short bars.

5. Bar length screening apparatus according to claim 1, wherein the climbing conveyor (300) comprises a driving wheel (11), a driven wheel (12), a transmission chain (13) and a climbing drive mechanism (15); wherein the content of the first and second substances,

the transmission chain (13) is connected to the driving wheel (11) and the driven wheel (12);

the climbing driving mechanism (15) is connected with the driving wheel (11) and is suitable for driving the driving wheel (11) to rotate;

the transmission chain (13) is provided with a chain feeding part (16), and at least one part of the chain feeding part (16) forms a lifting conveying part (21) which is inclined upwards along the conveying direction of the transmission chain (13) so as to enable the tail part of the long bar to be lifted during the conveying process of the long bar.

6. Bar length screening apparatus according to claim 5, wherein a plurality of baffles (24) and a plurality of stop bars (25) are connected to the drive chain (13); wherein the content of the first and second substances,

the limiting strips (25) are sequentially arranged along the motion path of the transmission chain (13), and an accommodating groove suitable for accommodating the tail of the long rod is formed between any two adjacent limiting strips (25);

a plurality of said baffles (24) are arranged in sequence along the path of motion of said transmission chain (13) and are adapted to abut against the tail of the long bar carried on said upper chain portion (16) to prevent the long bar from moving axially along the long bar; wherein the content of the first and second substances,

in the baffle plates (24) moved to the upper chain part (16), there is no gap between any adjacent two baffle plates (24) in the axial direction of the bar material.

7. Bar length screening apparatus according to claim 1, further comprising a discharge conveyor (500) adapted to receive the short bars removed by said second conveyor (200);

the climbing conveying device (300) is arranged between the second conveying device (200) and the unloading conveying device (500);

a passage channel (31) for the short bars to pass through is arranged in the climbing conveying device (300).

8. Bar length screening apparatus according to claim 7, wherein the discharge conveyor (500) comprises an elevating conveyor (600) and a blanking conveyor (700); wherein the content of the first and second substances,

the lifting conveying mechanism (600) is connected to the frame (1) in a sliding mode along the vertical direction and has a lifting position and a descending position in the sliding process, and the lifting conveying mechanism (600) is suitable for sliding to the lifting position so as to receive short bars sent by the second conveying device (200);

the blanking conveying mechanism (700) is connected to the rack (1) and is suitable for receiving the short bars on the lifting conveying mechanism (600) and conveying the short bars to be blanked when the lifting conveying mechanism (600) slides to the descending position.

9. Bar length screening apparatus according to claim 8, wherein the elevating conveyor mechanism (600) comprises an elevating seat (33), an elevating drive mechanism, a roller drive mechanism (34) and at least two rollers (35); wherein the content of the first and second substances,

the lifting seat (33) is connected to the rack (1) in a sliding manner along the vertical direction;

the roller (35) is rotatably connected to the lifting seat (33) and is suitable for receiving the short bars sent by the second conveying device (200);

the lifting driving mechanism is connected with the lifting seat (33) and is suitable for driving the lifting seat (33) to lift and slide;

the roller driving mechanism (34) is connected with at least part of the rollers (35) and is suitable for driving the rollers (35) connected with the roller driving mechanism to rotate so as to convey short bars carried on the rollers (35).

10. Bar length screening apparatus according to claim 9, wherein the blanking conveying mechanism (700) comprises a blanking drive mechanism (36), at least two main blanking wheels (37), slave blanking wheels (38) in one-to-one correspondence with the main blanking wheels (37), and blanking belts (39) in correspondence with the main blanking wheels (37) and the slave blanking wheels (38), respectively; wherein the content of the first and second substances,

the main blanking wheel (37) and the auxiliary blanking wheel (38) are respectively and rotatably connected to the rack (1);

the blanking belt (39) is connected to the corresponding main blanking wheel (37) and the corresponding auxiliary blanking wheel (38) and is suitable for bearing the short bars on the roller (35) when the lifting seat (33) descends to the position;

the feeding belt (39) and the roller (35) are arranged at intervals;

the blanking driving mechanism (36) is connected with the main blanking wheel (37) and is suitable for driving the main blanking wheel (37) to rotate so as to drive the blanking belt (39) to convey short bars on the blanking belt (39).

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