Roller conveying device and method capable of guaranteeing material spacing

Abstract

The invention relates to a roller conveying device and method capable of guaranteeing the distance between materials, and belongs to the technical field of material conveying equipment. According to the technical scheme, a proximity switch (2) of a material separation pushing frame feeding structure detects a signal, the detection signal is transmitted to a material separation pushing frame feeding structure jacking and descending air cylinder (13), and the material separation pushing frame feeding structure jacking and descending air cylinder (13) is started; a material separation pushing frame (4) on a material separation pushing frame feeding structure (11) located between a front-section profiling conveying roller way (1A) and a middle-section profiling conveying roller way (1B) is jacked to the middle position of a front single-group multi-branch parallel workpiece (3) and a rear single-group multi-branch parallel workpiece (3) through a jacking and descending air cylinder (13), and the front single-group multi-branch parallel workpiece (3) and the rear single-group multi-branch parallel workpiece (3) are spaced. And the spacing distance of the front and rear single-group multiple parallel workpieces is ensured. The device has the positive effects that the production continuity of the whole line is guaranteed, the fault frequency is reduced, meanwhile, the material separation pushing frame can be recycled in a reciprocating mode through a corresponding mechanism, and automation is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of roller conveying device and method of ensuring material spacing, it is applicable to the synchronous longitudinal roller conveying of multiple angle steel, channel steel and other profiles, belongs to material conveying equipment technical field. BACKGROUND

[0002] In the process of roller conveying of existing multiple workpieces, due to the inconsistent bending degree of each workpiece, the friction force with the driving roller surface is uneven, and the uneven phenomenon is prone to occur in the same group of workpieces, if the unevenness is large, it will cause the spacing between front and rear groups of workpieces to be too small, even contact, if the spacing between each group is too small, it will affect the subsequent process, in the process of continuous production, it will destroy the production rhythm, cause production discontinuity, unstable quality and other problems. SUMMARY

[0003] The purpose of the present application is to provide a kind of roller conveying device and method of ensuring material spacing, ensure that each group of workpieces is transported on roller according to certain spacing, avoid the spacing between front and rear groups of workpieces to be too small, cause the problem that subsequent process cannot be carried out, solve the above-mentioned problems existing in the background art.

[0004] The technical scheme of the present application is: A kind of roller conveying device for ensuring material spacing, including profile transmission roller, material separation push frame loading structure proximity switch, single group of multiple parallel workpieces, material separation push frame, transmission roller drive motor, material separation push frame unloading structure translation cylinder, material separation push frame unloading structure proximity switch, material separation push frame unloading structure, material separation push frame unloading structure track, material separation push frame return track, material separation push frame loading structure, material separation push frame loading structure translation cylinder, material separation push frame loading structure upper top, descending cylinder, material separation push frame unloading structure upper top, descending cylinder and material separation push frame loading structure track; The transmission roller drive motor drives profile transmission roller to transport single group of multiple parallel workpieces and material separation push frame;The profile transmission roller includes front segment profile transmission roller, middle segment profile transmission roller and rear segment profile transmission roller, which are arranged in sequence according to the conveying direction; The front segment profiled conveying roller way and the material separating push rack loading structure are provided with a material separating push rack loading structure proximity switch for detecting the arrival signal of a single group of multiple parallel workpieces on the front segment profiled conveying roller way; the front segment profiled conveying roller way and the middle segment profiled conveying roller way are provided with a material separating push rack loading structure track, the right side of the material separating push rack loading structure track is provided with a material separating push rack loading structure translation air cylinder, the material separating push rack loading structure translation air cylinder drives the material separating push rack loading structure to slide on the material separating push rack loading structure track, so that the material separating push rack loading structure advances into the interval space (loading waiting area) between the front segment profiled conveying roller way and the middle segment profiled conveying roller way or exits the interval space (loading waiting area) between the front segment profiled conveying roller way and the middle segment profiled conveying roller way; the lower part of the material separating push rack loading structure is provided with a material separating push rack loading structure upper lifting and lowering air cylinder 13 for lifting and lowering the material separating push rack loading structure and the material separating push racks 4 on the material separating push rack loading structure. The material separating push rack unloading structure and the rear segment profiled conveying roller way are provided with a material separating push rack unloading structure proximity switch for detecting the arrival signal of the material separating push rack on the material separating push rack unloading structure; the middle segment profiled conveying roller way and the rear segment profiled conveying roller way are provided with a material separating push rack unloading structure track, the left side of the material separating push rack unloading structure track is provided with a material separating push rack unloading structure translation air cylinder, the material separating push rack unloading structure translation air cylinder drives the material separating push rack unloading structure to slide on the material separating push rack unloading structure track, so that the material separating push rack unloading structure advances into the interval space (unloading waiting area) between the middle segment profiled conveying roller way and the rear segment profiled conveying roller way or exits the interval space (unloading waiting area) between the middle segment profiled conveying roller way and the rear segment profiled conveying roller way; the lower part of the material separating push rack unloading structure is provided with a material separating push rack unloading structure upper lifting and lowering air cylinder for lifting and lowering the material separating push rack unloading structure and the material separating push racks on the material separating push rack unloading structure. The right side of the middle segment profiled conveying roller way is provided with a material separating push rack return track, the material separating push rack return track carries the material separating push racks on the material separating push rack unloading structure back to the material separating push rack loading structure.

[0005] Further, the material separating push rack unloading structure comprises an unloading platform, unloading profiled conveying rollers, an unloading platform telescopic support, an unloading platform base, unloading platform bottom wheels and unloading transmission motors, the bottom of the unloading platform base is provided with unloading platform bottom wheels matched with the material separating push rack unloading structure track, the upper part of the unloading platform base is provided with an unloading platform telescopic support, the top of the unloading platform telescopic support is fixed with the unloading platform, the unloading platform is provided with a plurality of unloading profiled conveying rollers, each unloading profiled conveying roller is matched with an unloading transmission motor, and the unloading platform and the unloading platform base are provided with a material separating push rack unloading structure upper lifting and lowering air cylinder.

[0006] Further, the material separating and pushing frame feeding structure comprises a feeding platform, feeding profiled conveying rollers, a feeding platform telescopic support, a feeding platform base, a feeding platform bottom wheel and a feeding transmission motor, the bottom of the feeding platform base is provided with a feeding platform bottom wheel matched with the material separating and pushing frame feeding structure track, the upper part of the feeding platform base is provided with a feeding platform telescopic support, the top of the feeding platform telescopic support is fixed with the feeding platform, the feeding platform is provided with a plurality of feeding profiled conveying rollers, each feeding profiled conveying roller is matched with a feeding transmission motor, and the feeding platform and the feeding platform base are provided with a material separating and pushing frame feeding structure upper lifting and lowering cylinder.

[0007] Further, the single-group multi-branch parallel workpieces are composed of a plurality of single-branch workpieces arranged in transverse parallel, the profiled roller table is provided with a plurality of multi-pass profiled rollers, the multi-pass profiled rollers are in transmission connection with the roller table transmission motor through a chain wheel and a chain, the profiled rollers, the unloading profiled conveying rollers and the feeding profiled conveying rollers are of the same structure and are all provided with a plurality of profiled grooves matched with the single-branch workpieces on the outer surfaces, the material separating and pushing frame comprises a horizontal plate, a vertical plate and a pushing plate, a plurality of horizontal plates and vertical plates are fixed perpendicularly to each other to form a rectangular frame structure, the front and rear ends of each horizontal plate are provided with a pushing plate, the rectangular frame structure is located above the profiled grooves, and each pushing plate is located in the corresponding profiled groove and used for pushing the single-branch workpieces in front and behind to make the front end and the rear end of each single-branch workpiece in the single-group multi-branch parallel workpieces flush.

[0008] Further, the width and the depth of the profiled groove are greater than the width and the height of the pushing plate.

[0009] Further, the center of the pushing plate and the center of the corresponding single-branch workpiece are on the same straight line.

[0010] Further, the material separating and pushing frame return track comprises a rack, a driving shaft, a driven shaft, a driving motor, a driving sprocket, a driven sprocket and a chain, the front and rear sides of the rack are provided with the driving shaft and the driven shaft, the driving shaft and the driven shaft are respectively provided with a plurality of one-to-one corresponding driving sprockets and driven sprockets, each corresponding driving sprocket and driven sprocket is provided with the chain, the output shaft of the driving motor is connected with the driving shaft, the plurality of pushing plates on the material separating and pushing frame are respectively in contact with the corresponding chains, and the width of the chain is slightly greater than the width of the pushing plate.

[0011] Further, the material separation pusher return track comprises a frame two, a driving shaft two, a driven shaft two, a driving motor two, a driving roller two, a driven roller two and a transmission belt two. The frame two is provided with the driving shaft two and the driven shaft two on the front and back sides. The driving shaft two and the driven shaft two are respectively provided with a plurality of one-to-one corresponding driving rollers two and driven rollers two. Each corresponding driving roller two and driven roller two is provided with the transmission belt two. The output shaft of the driving motor two is connected with the driving shaft two. The plurality of push plates on the material separation pusher are respectively in contact with the corresponding transmission belt two. The width of the transmission belt two is slightly greater than the push plate.

[0012] Further, the material separation pusher return track comprises a frame three, a profiling roller three, a chain three, a sprocket three and a driving motor three. The frame three is provided with a plurality of profiling rollers three. The driving motor three is drivingly connected with the profiling rollers three through the sprocket three and the chain three. The profiling grooves on the profiling roller, the unloading profiling conveying roller, the loading profiling conveying roller and the profiling roller three are in the same number as the push plates on the material separation pusher and the single workpiece in the single group of multiple parallel workpieces.

[0013] Further, the upper end surface of the push plate is flush with the upper end surface of the rectangular frame structure.

[0014] A roller transmission method for ensuring the spacing of materials adopts the above roller transmission device, and the steps are as follows: In the initial state, the material separation pusher loading structure translation cylinder pushes the material separation pusher loading structure to the intermediate position (loading waiting area) between the front profiling transmission roller way and the middle profiling transmission roller way. The material separation pusher loading structure is provided with a material separation pusher. The upper and lower lifting cylinders of the material separation pusher loading structure are in the initial state. The material separation pusher on the material separation pusher loading structure is located below the front profiling transmission roller way and the middle profiling transmission roller way. The material separation pusher unloading structure translation cylinder pushes the material separation pusher unloading structure to the intermediate position (unloading waiting area) between the middle profiling transmission roller way and the rear profiling transmission roller way. The upper and lower lifting cylinders of the material separation pusher unloading structure lift the material separation pusher unloading structure, so that the material separation pusher unloading structure and the middle profiling transmission roller way and the rear profiling transmission roller way are located in the same plane. Working state: several single group multi-branch parallel workpieces are placed on the transmission profiling transmission roller according to the set frequency by the previous process for transportation, when the single group multi-branch parallel workpieces are longitudinally conveyed to the approach switch of the material separation push rack loading structure, the approach switch of the material separation push rack loading structure detects the signal, the detection signal is transmitted to the material separation push rack loading structure, the material separation push rack loading structure is started, the material separation push rack loading structure is lifted by the material separation push rack loading structure, the material separation push rack loading structure is lifted to the middle position of the front and rear single group multi-branch parallel workpieces, the interval between the front and rear single group multi-branch parallel workpieces is ensured, and the interval distance between the front and rear single group multi-branch parallel workpieces is ensured, the loading transmission motor drives the loading profiling conveying roller to rotate clockwise, so that the material separation push rack enters the middle profiling transmission roller, and the single group multi-branch parallel workpieces and the material separation push rack are longitudinally conveyed on the middle profiling transmission roller; When the material separation push rack is conveyed to the material separation push rack unloading structure approach switch, the material separation push rack unloading structure approach switch detects the signal, the detection signal is transmitted to the material separation push rack unloading structure, and the material separation push rack unloading structure is lowered together with the material separation push rack, the single group multi-branch parallel workpieces continue to be conveyed to the rear profiling transmission roller, and the material separation push rack unloading structure is lowered to the position, then the material separation push rack unloading structure is translated to the material separation push rack return track feeding end together with the material separation push rack unloading structure, the unloading transmission motor is reversed, the unloading profiling conveying roller is counterclockwise, the material separation push rack is conveyed to the material separation push rack return track for return conveying, and when the material separation push rack is conveyed to the material separation push rack loading structure, the material separation push rack loading structure is translated to the position between the front profiling transmission roller and the middle profiling transmission roller (loading waiting area) together with the material separation push rack loading structure, when the material separation push rack loading structure approach switch detects the signal of the next single group multi-branch parallel workpiece, the material separation push rack loading structure is lifted upward, the material separation push rack loading structure is lifted to the position, and the next round of work is performed.

[0015] The positive effect of the present application is that a fixed length of material separation push rack is added between the space of the adjacent two single group multi-branch parallel workpieces, the length of the material separation push rack is slightly smaller than the interval between the adjacent two single group multi-branch parallel workpieces, the workpiece and the material separation push rack are conveyed on the profiling transmission roller at the same time, the minimum interval distance (i.e. the length of the material separation push rack) between the adjacent two single group multi-branch parallel workpieces is ensured, the alignment of the single group multi-branch parallel workpieces is ensured, the continuity of the whole line production is ensured, and the failure frequency is reduced. At the same time, the material separation push rack can be reciprocatingly used through the corresponding mechanism, and automation is realized. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The structure of the present application is shown in the figure; Figure 2 Structure diagram of the material separating and pushing frame of the present application; Figure 3 Structure diagram of the side view of the material separating and pushing frame of the present application; Figure 4 Structure diagram of the A-A direction section view of the material separating and pushing frame of the present application; Figure 2 Structure diagram of the material separating and pushing frame of the present application; Figure 5 Structure diagram of the material separating and pushing frame of the present application; Figure 6 Structure diagram of the material separating and pushing frame of the present application; Figure 7 Structure diagram of the material separating and pushing frame of the present application; Figure 8 Structure diagram of the material separating and pushing frame of the present application; Figure 9 Structure diagram of the material separating and pushing frame of the present application; Figure 10 Structure diagram of the material separating and pushing frame of the present application; Figure 11 Structure diagram of the material separating and pushing frame of the present application; Figure 12 Structure diagram of the material separating and pushing frame of the present application; Figure 13 Structure diagram of the material separating and pushing frame of the present application; Figure 14 Structure diagram of the material separating and pushing frame of the present application;In the figure: profiled conveying roller 1, profiled roller 101, front section profiled conveying roller 1A, middle section profiled conveying roller 1B, rear section profiled conveying roller 1C, material separation pusher loading structure proximity switch 2, single set of multiple parallel workpieces 3, material separation pusher 4, horizontal plate 401, vertical plate 402, push plate 403, conveying roller drive motor 5, material separation pusher unloading structure translation cylinder 6, material separation pusher unloading structure proximity switch 7, material separation pusher unloading structure 8, unloading platform 801, unloading profiled conveying roller 802, unloading platform telescopic support 803, unloading platform base 804, unloading platform bottom wheels 805, unloading drive motor 806, material separation pusher unloading structure track 9, material separation pusher return track 10, rack one 1001A, driving shaft one 1002A, driven shaft one 1003A, drive motor one 1004A, driving sprocket one 1005A, driven sprocket one 1006A, chain one 1007A, rack two 1001B, driving shaft two 1002B, driven shaft two 1003B, drive motor two 1004B, driving conveying roller two 1005B, driven conveying roller two 1006B, drive belt two 1007B, rack three 1001C, profiled roller three 1002C, chain three 1003C, sprocket three 1004C, drive motor three 1005C, material separation pusher loading structure 11, loading platform 1101, loading profiled conveying roller 1102, loading platform telescopic support 1103, loading platform base 1104, loading platform bottom wheels 1105, loading drive motor 1106, material separation pusher loading structure translation cylinder 12, material separation pusher loading structure upper lifting and lowering cylinder 13, material separation pusher unloading structure upper lifting and lowering cylinder 14, material separation pusher loading structure track 15. DETAILED DESCRIPTION

[0017] The application will be further described below in conjunction with the drawings and examples: Referring to the drawings Figure 1 The embodiment provides a roller conveying device for ensuring material spacing, comprising a profiled conveying roller 1, a material separation pusher loading structure proximity switch 2, a single set of multiple parallel workpieces 3, a material separation pusher 4, a conveying roller drive motor 5, a material separation pusher unloading structure translation cylinder 6, a material separation pusher unloading structure proximity switch 7, a material separation pusher unloading structure 8, a material separation pusher unloading structure track 9, a material separation pusher return track 10, a material separation pusher loading structure 11, a material separation pusher loading structure translation cylinder 12, a material separation pusher loading structure upper lifting and lowering cylinder 13, a material separation pusher unloading structure upper lifting and lowering cylinder 14, and a material separation pusher loading structure track 15. The conveying roller drive motor 5 drives the profiled conveying roller 1 to transport the single set of multiple parallel workpieces 3 and the material separation pusher 4; the profiled conveying roller 1 comprises a front section profiled conveying roller 1A, a middle section profiled conveying roller 1B, and a rear section profiled conveying roller 1C arranged in sequence and at intervals in the conveying direction. The front segment profiled conveying roller table 1A is provided with a material separation push rack loading structure proximity switch 2 between the material separation push rack loading structure 11, which is used to detect the single group of multiple parallel workpieces 3 on the front segment profiled conveying roller table 1A to the position signal; The material separation push rack loading structure track 15 is arranged between the front segment profiled conveying roller table 1A and the middle segment profiled conveying roller table 1B, the right side of the material separation push rack loading structure track 15 is provided with a material separation push rack loading structure translation cylinder 12, the material separation push rack loading structure translation cylinder 12 pushes the material separation push rack loading structure 11 to slide on the material separation push rack loading structure track 15, so that the material separation push rack loading structure 11 advances to the interval space (loading waiting area) between the front segment profiled conveying roller table 1A and the middle segment profiled conveying roller table 1B or exits the interval space (loading waiting area) between the front segment profiled conveying roller table 1A and the middle segment profiled conveying roller table 1B; The lower part of the material separation push rack loading structure 11 is provided with a material separation push rack loading structure upper lifting and lowering cylinder 13, which is used to lift and lower the material separation push rack loading structure 11 and the material separation push rack 4 on the material separation push rack loading structure 11; The material separation push rack unloading structure proximity switch 7 is arranged between the material separation push rack unloading structure 8 and the rear segment profiled conveying roller table 1C, which is used to detect the material separation push rack 4 on the material separation push rack unloading structure 8 to the position signal; The material separation push rack unloading structure track 9 is arranged between the middle segment profiled conveying roller table 1B and the rear segment profiled conveying roller table 1C, the left side of the material separation push rack unloading structure track 9 is provided with a material separation push rack unloading structure translation cylinder 6, the material separation push rack unloading structure translation cylinder 6 pushes the material separation push rack unloading structure 8 to slide on the material separation push rack unloading structure track 9, so that the material separation push rack unloading structure 8 advances to the interval space (unloading waiting area) between the middle segment profiled conveying roller table 1B and the rear segment profiled conveying roller table 1C or exits the interval space (unloading waiting area) between the middle segment profiled conveying roller table 1B and the rear segment profiled conveying roller table 1C; The lower part of the material separation push rack unloading structure 8 is provided with a material separation push rack unloading structure upper lifting and lowering cylinder 14, which is used to lift and lower the material separation push rack unloading structure 8 and the material separation push rack 4 on the material separation push rack unloading structure 8; The right side of the middle segment profiled conveying roller table 1B is provided with a material separation push rack return track 10, which carries the material separation push rack 4 on the material separation push rack unloading structure 8 back to the material separation push rack loading structure 11.

[0018] The length of the loading waiting area and the unloading waiting area is less than the length of the single group of multiple parallel workpieces 3.

[0019] Referring to the drawings Figure 5 And 6, the material separation push rack feeding structure 11 comprises a feeding platform 1101, a feeding profiled conveying roller 1102, a feeding platform telescopic support 1103, a feeding platform base 1104, a feeding platform bottom wheel 1105 and a feeding transmission motor 1106, the bottom of the feeding platform base 1104 is provided with the feeding platform bottom wheel 1105 matched with the material separation push rack feeding structure track 15, the upper part of the feeding platform base 1104 is provided with the feeding platform telescopic support 1103, the top of the feeding platform telescopic support 1103 is fixed with the feeding platform 1101, the feeding platform 1101 is provided with a plurality of feeding profiled conveying rollers 1102, each feeding profiled conveying roller 1102 is matched with a feeding transmission motor 1106, and the feeding platform 1101 is provided with a material separation push rack feeding structure up and down cylinder 13 between the feeding platform 1101 and the feeding platform base 1104.

[0020] Preferably, the feeding platform telescopic support 1103 is a sleeve structure arranged inside and outside, the outer sleeve is fixedly connected with the feeding platform base 1104, and the inner sleeve is fixedly connected with the feeding platform 1101.

[0021] The feeding transmission motor 1106 drives the feeding profiled conveying roller 1102 to rotate on the bearing, so as to transport the material separation push rack 4.

[0022] Referring to the accompanying drawings Figure 7 and 8 , the material separation push rack discharging structure 8 comprises a discharging platform 801, a discharging profiled conveying roller 802, a discharging platform telescopic support 803, a discharging platform base 804, a discharging platform bottom wheel 805 and a discharging transmission motor 806, the bottom of the discharging platform base 804 is provided with the discharging platform bottom wheel 805 matched with the material separation push rack discharging structure track 9, the upper part of the discharging platform base 804 is provided with the discharging platform telescopic support 803, the top of the discharging platform telescopic support 803 is fixed with the discharging platform 801, the discharging platform 801 is provided with a plurality of discharging profiled conveying rollers 802, each discharging profiled conveying roller 802 is matched with a discharging transmission motor 806, and the discharging platform 801 is provided with a material separation push rack discharging structure up and down cylinder 14 between the discharging platform 801 and the discharging platform base 804.

[0023] Preferably, the discharging platform telescopic support 803 is a sleeve structure arranged inside and outside, the outer sleeve is fixedly connected with the discharging platform base 804, and the inner sleeve is fixedly connected with the discharging platform 801.

[0024] The discharging transmission motor 806 drives the discharging profiled conveying roller 802 to rotate on the bearing, so as to transport the material separation push rack 4.

[0025] Referring to the accompanying drawings Figures 2-4and 9, the single group of multiple parallel workpieces 3 is composed of multiple single workpieces arranged transversely in parallel, the profiling transmission roller way 1 is provided with multiple profiling rollers 101, the profiling rollers 101 are in driving connection with the transmission roller way driving motor 5 through a chain wheel and a chain; the profiling rollers 101, the unloading profiling conveying roller 802 and the feeding profiling conveying roller 1102 are of the same structure, and the outer surfaces of the profiling rollers 101, the unloading profiling conveying roller 802 and the feeding profiling conveying roller 1102 are all provided with multiple profiling grooves matched with the single workpieces; the material separating and pushing frame 4 comprises horizontal plates 401, vertical plates 402 and pushing plates 403, multiple horizontal plates 401 and vertical plates 402 are fixed perpendicularly to each other to form a rectangular frame structure, the front end and the rear end of each horizontal plate 401 are both provided with a pushing plate 403, the rectangular frame structure is located above the profiling grooves, and each pushing plate 403 is located in a corresponding profiling groove and used for pushing the single workpieces in front and behind to make the front end and the rear end of each single workpiece in the single group of multiple parallel workpieces 3 flush.

[0026] Preferably, the width and the depth of the profiling grooves are greater than the width and the height of the pushing plates 403, so that the pushing plates 403 of the material separating and pushing frame 4 can enter the profiling grooves of the profiling rollers 101, the unloading profiling conveying roller 802 and the feeding profiling conveying roller 1102.

[0027] Referring to the accompanying drawings Figure 11 Preferably, the center of the pushing plate 403 and the center of the corresponding single workpiece are on the same straight line, and the pushing force of the pushing plate 403 acts on the center of the single workpiece.

[0028] Preferably, the upper end surface of the pushing plate 403 is flush with the upper end surface of the rectangular frame structure.

[0029] Referring to the accompanying drawings Figure 12 In the first embodiment, the material separating and pushing frame return track 10 comprises a frame 1001A, a driving shaft 1002A, a driven shaft 1003A, a driving motor 1004A, a driving chain wheel 1005A, a driven chain wheel 1006A and a chain 1007A, the frame 1001A is provided with the driving shaft 1002A and the driven shaft 1003A on the front side and the rear side, the driving shaft 1002A and the driven shaft 1003A are respectively provided with multiple one-to-one corresponding driving chain wheels 1005A and driven chain wheels 1006A, the chain 1007A is arranged between each corresponding driving chain wheel 1005A and driven chain wheel 1006A, the output shaft of the driving motor 1004A is connected with the driving shaft 1002A, multiple pushing plates 403 on the material separating and pushing frame 4 are respectively in contact with corresponding chains 1007A, and the width of the chain 1007A is slightly greater than the width of the pushing plate 403.

[0030] Preferably, in order to increase the friction between the chain 1007A and the single workpiece, a rubber belt can be fixed on the chain 1007A to rotate together with the chain 1007A, increase the stability of transportation, and avoid the skewing of the material separation pusher 4. At the same time, because the profiling groove of the material separation pusher feeding structure 11 has an arc, when the material separation pusher 4 enters the material separation pusher feeding structure 11 from the material separation pusher return track 10, the profiling groove also has a righting effect on the push plate 403 of the material separation pusher 4.

[0031] Preferably, a baffle can also be arranged adjacent to the material separation pusher feeding structure 11 on the side of the rack 1001A to right the material separation pusher 4.

[0032] Referring to the drawings Figure 13 In Example Two, the material separation pusher return track 10 comprises a rack 1001B, a driving shaft 1002B, a driven shaft 1003B, a driving motor 1004B, a driving transmission roller 1005B, a driven transmission roller 1006B, and a transmission belt 1007B. The rack 1001B is provided with the driving shaft 1002B and the driven shaft 1003B on the front and back sides. The driving shaft 1002B and the driven shaft 1003B are respectively provided with a plurality of one-to-one corresponding driving transmission rollers 1005B and driven transmission rollers 1006B. The corresponding driving transmission roller 1005B and the driven transmission roller 1006B are provided with the transmission belt 1007B. The output shaft of the driving motor 1004B is connected with the driving shaft 1002B. The plurality of push plates 403 on the material separation pusher 4 are respectively in contact with the transmission belt 1007B. The width of the transmission belt 1007B is slightly larger than that of the push plate 403.

[0033] Preferably, a baffle can also be arranged adjacent to the material separation pusher feeding structure 11 on the side of the rack 1001B to right the material separation pusher 4.

[0034] Referring to the drawings Figure 14 In Example Three, the material separation pusher return track 10 comprises a rack 1001C, a profiling roller 1002C, a chain 1003C, a sprocket 1004C, and a driving motor 1005C. The rack 1001C is provided with a plurality of profiling rollers 1002C. The driving motor 1005C is drivingly connected with the profiling rollers 1002C through the sprocket 1004C and the chain 1003C. The number of profiling grooves on the profiling roller 1002C, the unloading profiling transmission roller 802, the feeding profiling transmission roller 1102, and the profiling roller 1002C is the same as the number of the push plates 403 on the material separation pusher 4 and the single workpiece in the single group of multiple parallel workpieces 3.

[0035] A roller transmission method for ensuring the spacing of materials is adopted in the above roller transmission device, and the steps are as follows: Initial state: the material isolation pusher loading structure translation cylinder 12 pushes the material isolation pusher loading structure 11 to the middle position (loading waiting area) between the front profiled conveying roller 1A and the middle profiled conveying roller 1B, the material isolation pusher loading structure 11 is provided with a material isolation pusher 4, the material isolation pusher loading structure upper lifting and lowering cylinder 13 is in the initial state, and the material isolation pusher 4 on the material isolation pusher loading structure 11 is located below the front profiled conveying roller 1A and the middle profiled conveying roller 1B; the material isolation pusher unloading structure translation cylinder 6 pushes the material isolation pusher unloading structure 8 to the middle position (unloading waiting area) between the middle profiled conveying roller 1B and the rear profiled conveying roller 1C, and the material isolation pusher unloading structure upper lifting and lowering cylinder 14 lifts the material isolation pusher unloading structure 8, so that the material isolation pusher unloading structure 8 is located in the same plane as the middle profiled conveying roller 1B and the rear profiled conveying roller 1C; Working state: a plurality of single-group multi-branch parallel workpieces 3 are placed on the conveying profiled conveying roller 1 at a set frequency for transportation according to the previous process, when the single-group multi-branch parallel workpieces 3 are longitudinally conveyed to the material isolation pusher loading structure proximity switch 2, the material isolation pusher loading structure proximity switch 2 detects a signal, the detection signal is transmitted to the material isolation pusher loading structure upper lifting and lowering cylinder 13, the material isolation pusher loading structure upper lifting and lowering cylinder 13 is started, the material isolation pusher loading structure upper lifting and lowering cylinder 13 lifts the material isolation pusher 4 on the material isolation pusher loading structure 11 between the front profiled conveying roller 1A and the middle profiled conveying roller 1B to the middle position of the front and rear single-group multi-branch parallel workpieces 3, and the front and rear single-group multi-branch parallel workpieces 3 are spaced apart, so as to ensure the spacing distance of the front and rear single-group multi-branch parallel workpieces 3, the loading transmission motor 1106 drives the loading profiled conveying roller 1102 to rotate clockwise, so that the material isolation pusher 4 enters the middle profiled conveying roller 1B, and the single-group multi-branch parallel workpieces 3 and the material isolation pusher 4 are longitudinally conveyed on the middle profiled conveying roller 1B; When the spacer rack 4 is transmitted to the spacer rack unloading structure proximity switch 7, the spacer rack unloading structure proximity switch 7 detects a signal, the detection signal is transmitted to the spacer rack unloading structure upper lifting and lowering cylinder 14, the spacer rack unloading structure 8 is lowered together with the spacer rack 4, the single group of multiple parallel workpieces 3 continue to be transmitted to the rear section of the profiled transmission roller 1C, after the spacer rack unloading structure 8 is lowered in place, the spacer rack unloading structure translation cylinder 6 translates the spacer rack unloading structure 8 and the spacer rack 4 on the spacer rack unloading structure 8 together to the feeding end of the spacer rack return track 10, the unloading transmission motor 806 reverses, the unloading profiled transmission roller 802 rotates counterclockwise, the spacer rack 4 is transmitted to the spacer rack return track 10 for return conveying, when the spacer rack 4 is transmitted to the spacer rack feeding structure 11, the spacer rack feeding structure translation cylinder 12 translates the spacer rack feeding structure 11 and the spacer rack 4 on the spacer rack feeding structure 11 together to the between the front section of the profiled transmission roller 1A and the middle section of the profiled transmission roller 1B (feeding waiting area), when the spacer rack feeding structure proximity switch 2 detects the signal of the next single group of multiple parallel workpieces 3, the spacer rack feeding structure upper lifting and lowering cylinder 13 lifts upward, the spacer rack 4 on the spacer rack feeding structure 11 is lifted into place, and the next round of work is performed.

[0036] This transmission method ensures that the interval of the two single groups of multiple parallel workpieces 3 adjacent to each other is controllable through the spacer rack 4, and automation can be realized.

Claims

1. A roller conveying device for ensuring material spacing, characterized in that: It includes a contoured conveyor roller (1), a material-separating pusher loading structure proximity switch (2), a single set of multiple parallel workpieces (3), a material-separating pusher (4), a conveyor roller drive motor (5), a material-separating pusher unloading structure translation cylinder (6), a material-separating pusher unloading structure proximity switch (7), a material-separating pusher unloading structure (8), a material-separating pusher unloading structure track (9), a material-separating pusher return track (10), a material-separating pusher loading structure (11), a material-separating pusher loading structure translation cylinder (12), a material-separating pusher loading structure top and bottom cylinder (13), a material-separating pusher unloading structure top and bottom cylinder (14), and a material-separating pusher loading structure track (15). The transmission roller drive motor (5) drives the contouring transmission roller (1) to transport a single set of multiple parallel workpieces (3) and a material separating pusher (4); the contouring transmission roller (1) includes a front contouring transmission roller (1A), a middle contouring transmission roller (1B) and a rear contouring transmission roller (1C) arranged sequentially and at intervals in the conveying direction. A proximity switch (2) for the material pusher loading structure is provided between the front section contour conveyor roller (1A) and the material pusher loading structure (11) to detect the arrival signal of a single group of multiple parallel workpieces (3) on the front section contour conveyor roller (1A); a material pusher loading structure track (15) is provided between the front section contour conveyor roller (1A) and the middle section contour conveyor roller (1B); a material pusher loading structure translation cylinder (12) is provided on the right side of the material pusher loading structure track (15); the material pusher loading structure translation cylinder (12) pushes the material pusher loading structure. (11) Slide on the material-separating pusher loading structure track (15) to allow the material-separating pusher loading structure (11) to advance into the space between the front section contouring conveyor roller (1A) and the middle section contouring conveyor roller (1B) or exit the space between the front section contouring conveyor roller (1A) and the middle section contouring conveyor roller (1B); the lower part of the material-separating pusher loading structure (11) is provided with a material-separating pusher loading structure top and bottom cylinder (13) for lifting and lowering the material-separating pusher loading structure (11) and the material-separating pusher (4) on the material-separating pusher loading structure (11); A proximity switch (7) for the material pusher unloading structure is provided between the material pusher unloading structure (8) and the rear contour conveyor roller (1C) to detect the positioning signal of the material pusher (4) on the material pusher unloading structure (8); a material pusher unloading structure track (9) is provided between the middle contour conveyor roller (1B) and the rear contour conveyor roller (1C), and a material pusher unloading structure translation cylinder (6) is provided on the left side of the material pusher unloading structure track (9), which pushes the material pusher unloading structure (8). The material pusher unloading structure (8) slides on the track (9) of the material pusher unloading structure, so that the material pusher unloading structure (8) advances to the space between the middle section contour conveyor roller (1B) and the rear section contour conveyor roller (1C) or exits the space between the middle section contour conveyor roller (1B) and the rear section contour conveyor roller (1C); the lower part of the material pusher unloading structure (8) is provided with a material pusher unloading structure top and bottom cylinder (14) for lifting and lowering the material pusher unloading structure (8) and the material pusher (4) on the material pusher unloading structure (8). The right side of the middle section contour conveyor roller (1B) is provided with a material separation pusher return track (10), which transports the material separation pusher (4) on the material separation pusher unloading structure (8) back to the material separation pusher loading structure (11).

2. The roller conveying device for ensuring material spacing according to claim 1, characterized in that: The material-separating pusher unloading structure (8) includes an unloading platform (801), an unloading contour conveyor roller (802), an unloading platform telescopic bracket (803), an unloading platform base (804), unloading platform bottom wheels (805), and an unloading drive motor (806). The bottom of the unloading platform base (804) is provided with unloading platform bottom wheels (805) that match the track (9) of the material-separating pusher unloading structure. The upper part of the unloading platform base (804) is provided with an unloading platform telescopic bracket (803). The top of the unloading platform telescopic bracket (803) is fixed to the unloading platform (801). The unloading platform (801) is provided with multiple unloading contour conveyor rollers (802). Each unloading contour conveyor roller (802) is matched with an unloading drive motor (806). The unloading platform (801) and the unloading platform base (804) are provided with a material-separating pusher unloading structure top and bottom cylinder (14).

3. The roller conveying device for ensuring material spacing according to claim 2, characterized in that: The feeding structure (11) of the material pusher includes a feeding platform (1101), a feeding contour conveyor roller (1102), a feeding platform telescopic bracket (1103), a feeding platform base (1104), feeding platform bottom wheels (1105), and a feeding drive motor (1106). The bottom of the feeding platform base (1104) is provided with feeding platform bottom wheels (1105) that match the track (15) of the material pusher feeding structure. The upper part of 04) is provided with a feeding platform telescopic bracket (1103), the top of the feeding platform telescopic bracket (1103) is fixed with a feeding platform (1101), the feeding platform (1101) is provided with multiple feeding contour conveyor rollers (1102), each feeding contour conveyor roller (1102) is matched with a feeding drive motor (1106), and a material-separating pusher feeding structure top and bottom cylinder (13) is provided between the feeding platform (1101) and the feeding platform base (1104).

4. A roller conveying device for ensuring material spacing according to claim 1 or 3, characterized in that: The single-group multi-piece parallel workpiece (3) is composed of multiple single workpieces arranged horizontally side by side. The contouring conveyor roller (1) is provided with multiple contouring rollers (101), which are connected to the conveyor roller drive motor (5) via sprockets and chains. The contouring rollers (101), unloading contouring conveyor rollers (802), and loading contouring conveyor rollers (1102) have the same structure, and their outer surfaces are provided with multiple contouring grooves that match the single workpieces. The material separating pusher ( 4) Includes a horizontal plate (401), a vertical plate (402) and a push plate (403). Multiple horizontal plates (401) and vertical plates (402) are fixed perpendicularly to each other to form a rectangular frame structure. Each horizontal plate (401) has a push plate (403) at both ends. The rectangular frame structure is located above the contour groove. Each push plate (403) is located in the corresponding contour groove and is used to push the front and rear single workpieces so that the front and rear ends of each single workpiece in the single group of multiple parallel workpieces (3) are aligned.

5. A roller conveying device for ensuring material spacing according to claim 4, characterized in that: The width and depth of the contour groove are greater than the width and height of the push plate (403).

6. A roller conveying device for ensuring material spacing according to claim 4, characterized in that: The center of the push plate (403) and the center of its corresponding single workpiece are on the same straight line.

7. A roller conveying device for ensuring material spacing according to claim 4, characterized in that: The material pusher return track (10) includes a frame (1001A), a drive shaft (1002A), a driven shaft (1003A), a drive motor (1004A), a drive sprocket (1005A), a driven sprocket (1006A), and a chain (1007A). The front and rear sides of the frame (1001A) are provided with the drive shaft (1002A) and the driven shaft (1003A). The drive shaft (1004A) is... Multiple corresponding drive sprockets (1005A) and driven sprockets (1006A) are provided on the driven shaft (1002A) and driven shaft (1003A). A chain (1007A) is provided between each corresponding drive sprocket (1005A) and driven sprocket (1006A). The output shaft of the drive motor (1004A) is connected to the drive shaft (1002A). Multiple push plates (403) on the material separator pusher (4) are in contact with the corresponding chain (1007A). The width of the chain (1007A) is slightly larger than the width of the push plate (403).

8. A roller conveying device for ensuring material spacing according to claim 4, characterized in that: The material pusher return track (10) includes a frame two (1001B), a drive shaft two (1002B), a driven shaft two (1003B), a drive motor two (1004B), a drive conveyor roller two (1005B), a driven conveyor roller two (1006B), and a transmission belt two (1007B). The drive shaft two (1002B) and the driven shaft two (1003B) are provided on the front and rear sides of the frame two (1001B). Multiple drive shaft two (1002B) and driven shaft two (1003B) are respectively provided on the drive shaft two (1002B) and the driven shaft two (1003B). There are two corresponding active conveyor rollers (1005B) and driven conveyor rollers (1006B). A transmission belt (1007B) is provided between each corresponding active conveyor roller (1005B) and driven conveyor roller (1006B). The output shaft of the drive motor (1004B) is connected to the active shaft (1002B). Multiple push plates (403) on the material separator pusher (4) are in contact with the corresponding transmission belts (1007B). The width of the transmission belts (1007B) is slightly larger than that of the push plates (403).

9. A roller conveying device for ensuring material spacing according to claim 4, characterized in that: The return track (10) of the material separating pusher includes a frame three (1001C), a contouring roller three (1002C), a chain three (1003C), a sprocket three (1004C), and a drive motor three (1005C). The frame three (1001C) is provided with multiple contouring rollers three (1002C). The drive motor three (1005C) is connected to the multiple contouring rollers three (1002C) through the sprocket three (1004C) and the chain three (1003C). The number of contouring grooves on the contouring roller (101), the unloading contouring conveyor roller (802), the loading contouring conveyor roller (1102), and the contouring roller three (1002C) is the same as the number of single workpieces in the push plate (403) of the material separating pusher (4) and the single group of multiple parallel workpieces (3).

10. A roller conveying method for ensuring material spacing, employing the roller conveying device according to any one of claims 3-9, characterized in that... The following steps are required: In the initial state: the translation cylinder (12) of the material separating pusher feeding structure pushes the material separating pusher feeding structure (11) to the position between the front section contour conveyor roller (1A) and the middle section contour conveyor roller (1B). The material separating pusher feeding structure (11) is equipped with a material separating pusher (4). The lifting and lowering cylinder (13) of the material separating pusher feeding structure is in the initial state. The material separating pusher (4) on the material separating pusher feeding structure (11) is located in the front section contour conveyor roller (1A). Below the middle section contour conveyor roller (1B); the material separating pusher unloading structure translation cylinder (6) pushes the material separating pusher unloading structure (8) to the middle position between the middle section contour conveyor roller (1B) and the rear section contour conveyor roller (1C); the material separating pusher unloading structure top and bottom cylinder (14) lifts the material separating pusher unloading structure (8) so that the material separating pusher unloading structure (8) is placed on the same plane as the middle section contour conveyor roller (1B) and the rear section contour conveyor roller (1C); In working condition: Several single-group multi-piece parallel workpieces (3) are placed on the conveyor roller conveyor (1) at a set frequency by the previous process for transportation. When the single-group multi-piece parallel workpieces (3) are conveyed forward longitudinally to the proximity switch (2) of the material separating pusher loading structure, the proximity switch (2) detects a signal. The detection signal is transmitted to the upper and lower cylinder (13) of the material separating pusher loading structure. The upper and lower cylinder (13) of the material separating pusher loading structure is started. The upper and lower cylinder (13) of the material separating pusher loading structure moves the material separating pusher loading structure located at the front section of the contour conveyor roller conveyor (1A) and the middle section of the contour conveyor roller conveyor. The material separating pusher (4) on the material separating pusher feeding structure (11) between the conveying rollers (1B) is lifted to the middle position of the two single-group multi-branch parallel workpieces (3) to separate the two single-group multi-branch parallel workpieces (3) and ensure the spacing between the two single-group multi-branch parallel workpieces (3). The feeding drive motor (1106) drives the feeding contour conveyor roller (1102) to rotate clockwise, so that the material separating pusher (4) enters the middle contour conveyor roller (1B). The single-group multi-branch parallel workpieces (3) and the material separating pusher (4) are longitudinally conveyed together on the middle contour conveyor roller (1B). When the material separating pusher (4) is transferred to the material separating pusher unloading structure proximity switch (7), the material separating pusher unloading structure proximity switch (7) detects a signal. The detection signal is transmitted to the material separating pusher unloading structure top and bottom cylinder (14). The material separating pusher unloading structure (8) descends together with the material separating pusher (4). The single group of multiple parallel workpieces (3) continues to be transferred to the rear contour conveyor roller (1C). After the material separating pusher unloading structure (8) descends to the bottom, the material separating pusher unloading structure translation cylinder (6) moves the material separating pusher unloading structure (8) and the material separating pusher (4) on the material separating pusher unloading structure (8) to the feeding end of the material separating pusher return track (10). The unloading drive motor (806) reverses, and the unloading contour conveyor roller (802) is activated. Rotate counterclockwise to transfer the material pusher (4) to the material pusher return track (10) for return transport. When the material pusher (4) is transferred to the material pusher loading structure (11), the material pusher loading structure translation cylinder (12) moves the material pusher loading structure (11) and the material pusher (4) on the material pusher loading structure (11) together to the front section contour conveyor roller (1A) and the middle section contour conveyor roller (1B). When the material pusher loading structure proximity switch (2) detects the signal of the next group of single-group multi-piece parallel workpieces (3), the material pusher loading structure lifting and lowering cylinder (13) lifts upward to lift the material pusher (4) on the material pusher loading structure (11) into place for the next cycle operation.

Images