Splicing type conveying device

Abstract

A splicing type conveying device comprises a plurality of supporting frames arranged at intervals and an upper-layer conveying line body arranged on the multiple supporting frames. The upper-layer conveying line body comprises a plurality of conveying line bodies arranged between every two adjacent supporting frames, two conveying chains arranged among the multiple conveying line bodies in a surrounding mode, a driving mechanism connected with the two conveying chains and used for driving the two conveying chains to rotate and a plurality of connecting plates arranged between every two adjacent conveying line bodies. The multiple conveying line bodies comprise the driving end conveying line body and the driven end conveying line body which are oppositely arranged or the driving end conveying line body and the driven end conveying line body which are oppositely arranged and at least one middle conveying line body arranged between the driving end conveying line body and the driven end conveying line body. The driving end conveying line body, the driven end conveying line body and the middle conveying line body are spliced, so that the conveying device can meet the conveying requirements of shoe tree clamps of different sizes, and the flexibility of the conveying device is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to conveying device technical field, concretely relates to a spliced conveying device. BACKGROUND

[0002] The traditional conveying line includes the belt conveying line, the chain conveying line and the roller conveying line etc. Among them, the belt conveying line relies on the friction force between the belt and the driving roller to work, therefore, is generally used for conveying the material of not big quality, such as a large number of uses in artificial assembly assembly line. The chain conveying line utilizes the movement of chain and combines other additional devices, for example, hanging bracket, hook, flat plate etc., to automatically convey the material from one position to another position;Mainly uses in the automatic production line, can use the relatively accurate step conveying, also can use the professional blocking cylinder on the production line, so that the workpiece accurately stays in the required position, and does not affect the continuous operation of chain.

[0003] At present, the chain conveying line is integrally arranged, cannot be spliced, so the length of the chain conveying line cannot be adjusted, when the chain conveying line faces different length or size of articles, can not be adapted, poor flexibility, and when maintaining or repairing the chain conveying line, can need to disassemble or move the whole conveying line, workload is big and is inconvenient, and further improvement is needed. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the shortcomings of prior art, provides a spliced conveying device.

[0005] The utility model adopts the following technical scheme:

[0006] A spliced conveying device, including a plurality of support frames arranged at intervals and an upper layer conveying line body provided on the plurality of support frames, the upper layer conveying line body includes a plurality of conveying line bodies provided between adjacent two support frames, two conveying chains provided around between the plurality of conveying line bodies, a driving mechanism connected and driving the two conveying chains to rotate, and a plurality of connecting plates provided between adjacent two conveying line bodies, the plurality of conveying line bodies include oppositely arranged driving end conveying line body and driven end conveying line body or oppositely arranged driving end conveying line body, driven end conveying line body and at least one intermediate conveying line body provided between the driving end conveying line body and the driven end conveying line body, the connecting plate is provided between the driving end conveying line body and the driven end conveying line body or is provided between the driving end conveying line body and the adjacent intermediate conveying line body or between the adjacent two intermediate conveying line bodies or between the driven end conveying line body and the intermediate conveying line body.

[0007] Further, the driving end conveying line body comprises two first conveying plates arranged oppositely, two first support assemblies arranged oppositely on the inner sides of the two first conveying plates and used for supporting the two conveying chains respectively, and a plurality of first connecting rods arranged at intervals between the two first conveying plates.

[0008] Further, the first support rod at the upper end is installed on the bottom surface of the first mounting plate at the upper end, the first support rod at the lower end is installed on the top surface of the first mounting plate at the lower end, the length of the first support rod is less than the length of the first conveying plate, the rear end of the first mounting plate extends to be flush with the rear end of the first conveying plate, and the first mounting region is formed between the two first mounting plates at the rear end of the first support rod.

[0009] Further, the first support assembly further comprises a first guide plate arranged on the top surface of the first mounting plate at the upper end and a first guide seat arranged on the top surface of the first support rod at the lower end, the top surface of the first guide plate is formed with two first guide strips matched with the opposite conveying chain, and the first guide seat is formed with a first guide groove for driving the conveying chain.

[0010] Further, the intermediate conveying line body comprises two second conveying plates arranged oppositely, two second support assemblies arranged oppositely on the inner sides of the two second conveying plates and used for supporting the two conveying chains respectively, and a plurality of second connecting rods arranged at intervals between the two second conveying plates, the second support assembly comprises two second support rods arranged oppositely on the inner sides of the second conveying plate, the inner side of the second conveying plate is formed with two second mounting plates extending along the length direction thereof and used for mounting the two second support rods respectively, the conveying chain is supported around the two second support rods arranged oppositely, the rear end of the second mounting plate extends to be flush with the rear end of the second conveying plate, the front end of the second support rod is formed with an extension extending outward to the outer side of the second conveying plate and capable of extending into the first mounting region and abutting against the rear end of the opposite first support rod, the rear end of the second support rod is located on the inner side of the rear end of the second conveying plate, and the rear ends of the two second mounting plates are formed with a second mounting region at the rear end of the second support rod.

[0011] Further, the driven end conveying line body comprises two third conveying plates arranged oppositely, two third support assemblies arranged oppositely on the inner sides of the two third conveying plates and used for supporting the two conveying chains respectively, and a plurality of third connecting rods arranged at intervals between the two third conveying plates.

[0012] Further, the driving mechanism comprises a first rotating rod rotatably arranged on the driving end conveying line body, two driving gears arranged at intervals on the first rotating rod and matched with the two conveying chains respectively, a second rotating rod arranged on the driven end conveying line body, two driven gears arranged at intervals on the second rotating rod and matched with the two conveying chains respectively, and a driving motor arranged on the driving end conveying line body and connected with the first rotating rod.

[0013] Further, the driving mechanism further comprises an adjusting assembly used for adjusting the tension of the two conveying chains, the adjusting assembly comprises two adjusting plates arranged oppositely on the outer sides of the two third conveying plates, two adjusting holes arranged on the two adjusting plates respectively and extending along the length directions of the two adjusting plates and used for supporting the two ends of the second rotating rod, two adjusting screws arranged on the two ends of the second rotating rod respectively and extending outward through the adjusting plates, and two adjusting nuts arranged on the outer sides of the two adjusting plates and matched with the adjusting screws respectively.

[0014] Further, the lower conveying line body is arranged on the plurality of support frames below the upper conveying line body, the conveying direction of the upper conveying line body is opposite to the conveying direction of the lower conveying line body, and the support frame is formed with a cross rod used for supporting the lower conveying line body.

[0015] Further, the connecting plate is arranged on the opposite support frames and comprises a connecting plate body and two connecting portions arranged oppositely on the two sides of the connecting plate body, the connecting portions are arranged between the driving end conveying line body and the driven end conveying line body, or arranged between the driving end conveying line body and the adjacent intermediate conveying line body, or arranged between the adjacent two intermediate conveying line bodies, or arranged between the driven end conveying line body and the intermediate conveying line body.

[0016] From the above description of the utility model, compared with the prior art, the utility model has the beneficial effects that: when the conveying device is spliced, the intermediate conveying line body can be arranged between the driving end conveying line body and the driven end conveying line body according to the conveying demand of the production line, the driving end conveying line body, the driven end conveying line body and the intermediate conveying line body are spliced, the conveying device can meet the conveying demand of the shoe tree clamp of different sizes, the flexibility of the conveying device is effectively improved, when the conveying device fails, the conveying line body of the corresponding failure part can be removed for maintenance, the whole production line does not need to be removed, and the removed part can also replace the conveying line body of the corresponding part, ensuring the continuous work of the production line. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 For the structure of conveying device Figure 1 ;

[0018] Figure 2 For the structure of conveying device Figure 2 ;

[0019] Figure 3 For Figure 1 Part structure in enlarged view;

[0020] Figure 4 For the structure of driving end conveying line body Figure 1 ;

[0021] Figure 5 For the structure of driving end conveying line body Figure 2 ;

[0022] Figure 6 For the structure of driven end conveying line body Figure 1 ;

[0023] Figure 7 For the structure of driven end conveying line body Figure 2 ;

[0024] Figure 8 For the structure of intermediate conveying line body;

[0025] Figure 9 For the structure of connecting plate;

[0026] In the figure, 1 - support frame, 2 - upper layer conveying line body, 3 - lower layer conveying line body, 4 - driving end conveying line body, 5 - middle conveying line body, 6 - driven end conveying line body, 7 - conveying chain, 8 - driving motor, 9 - connecting plate, 11 - cross rod, 41 - first conveying plate, 411 - first mounting plate, 42 - first support assembly, 43 - first connecting rod, 44 - first support rod, 45 - first guide plate, 451 - first guide strip, 46 - first guide seat, 461 - first guide groove, 47 - first mounting area, 51 - second conveying plate, 511 - second mounting plate, 52 - second support assembly, 53 - second connecting rod, 54 - second support rod, 541 - extension, 55 - second guide plate, 56 - second guide seat, 57 - second mounting area, 61 - third conveying plate, 611 - third mounting plate, 62 - third support assembly, 63 - third connecting rod, 64 - third support rod, 641 - splicing part, 65 - third guide plate, 66 - third guide seat, 81 - first rotating rod, 82 - driving gear, 83 - second rotating rod, 84 - driven gear, 85 - driving motor, 86 - adjusting assembly, 861 - adjusting plate, 862 - adjusting hole, 863 - adjusting screw rod, 864 - adjusting nut, 91 - connecting plate body, 92 - connecting part. DETAILED DESCRIPTION

[0027] The utility model will be further described below through specific embodiments.

[0028] Referring to Figures 1 to 9 As shown in the figure, a splicing type conveying device comprises a plurality of support frames 1 arranged at intervals, an upper layer conveying line body 2 arranged on the plurality of support frames 1, and a lower layer conveying line body 3 arranged on the plurality of support frames 1 below the upper layer conveying line body 2, wherein the conveying direction of the upper layer conveying line body 2 is opposite to the conveying direction of the lower layer conveying line body 3. The splicing type conveying device defined in the present application can be used in the field of shoemaking to convey a shoe tree clamp. The upper layer conveying line body 2 conveys the shoe tree clamp loaded with a shoe tree in the production line conveying direction to perform processing such as gluing or punching on the shoe tree. When the shoe tree clamp is conveyed to the tail end of the upper layer conveying line body 2, the processed shoe tree is taken off from the shoe tree clamp, and the used shoe tree clamp is conveyed back by the lower layer conveying line body 3 for reuse.

[0029] The upper layer conveying line body 2 comprises a plurality of conveying line bodies arranged between adjacent two support frames 1, two conveying chains 7 arranged around the plurality of conveying line bodies, a driving mechanism 8 connected and driving the two conveying chains 7 to rotate, and a plurality of connecting plates 9 arranged between adjacent two conveying line bodies.

[0030] The plurality of conveying lines comprises a driving end conveying line 4 and a driven end conveying line 6 arranged oppositely or the driving end conveying line 4, the driven end conveying line 6 and at least one intermediate conveying line 5 arranged between the driving end conveying line 4 and the driven end conveying line 6, wherein the connecting plate 9 is arranged between the driving end conveying line 4 and the driven end conveying line 6 or arranged between the driving end conveying line 4 and the adjacent intermediate conveying line 5 or between the adjacent two intermediate conveying lines 5 or between the driven end conveying line 6 and the intermediate conveying line 5.

[0031] The driving end conveying line 4 comprises two first conveying plates 41 arranged oppositely, two first support assemblies 42 arranged oppositely inside the two first conveying plates 41 and used for supporting the two conveying chains 7 respectively and a plurality of first connecting rods 43 arranged at intervals between the two first conveying plates 41, wherein the length of the first connecting rod 43 can be selected according to the size of the last clamp to adjust the distance between the two first conveying plates 41, so that the last clamp of different sizes can be applied.

[0032] The first support assembly 42 comprises two first support rods 44 arranged oppositely inside the first conveying plate 41, a first guide plate 45 arranged above the upper end first support rod and a first guide seat 46 arranged on the top surface of the lower end first support rod; wherein the inside of the first conveying plate 41 is formed with two first mounting plates 411 extending along the length direction thereof and used for mounting the two first support rods 44 respectively, the first guide plate 45 is arranged on the top surface of the upper end first mounting plate, and the conveying chain 7 is supported around the two first support rods 44 arranged oppositely; in particular, the upper end first support rod is mounted on the bottom surface of the upper end first mounting plate, the lower end first support rod is mounted on the top surface of the lower end first mounting plate, the length of the first support rod 44 is less than the length of the first conveying plate 41, the rear end of the first mounting plate 411 extends to be flush with the rear end of the first conveying plate 41, and the first mounting region 47 is formed between the two first mounting plates 411 at the rear end of the first support rod 44; further, the length of the first guide plate 45 is opposite to the length of the upper end first mounting plate, the length of the first guide seat 46 is the same as the length of the lower end first mounting plate, the top surface of the first guide plate 45 is formed with two first guide strips 451 matched with the conveying chain 7, the first guide seat 46 is formed with the first guide groove 461 for driving the conveying chain 7, and the first guide plate 45 and the first guide seat 46 are arranged to guide the driving of the conveying chain 7.

[0033] The intermediate conveyor line 5 includes two second conveyor plates 51 arranged opposite to each other, two second support components 52 arranged opposite to each other inside the two second conveyor plates 51 for supporting the two conveyor chains 7 respectively, and a plurality of second connecting rods 53 spaced apart between the two second conveyor plates 51. The length of the second connecting rods 53 is the same as the length of the first connecting rods 43, and they can be fixed between the two second conveyor plates 51 by bolts.

[0034] The second support assembly 52 includes two second support rods 54 arranged opposite each other on the inner side of the second conveyor plate 51, a second guide plate 55 disposed above the upper second support rod, and a second guide seat 56 disposed on the top surface of the lower second support rod. The inner side of the second conveyor plate 51 has two second mounting plates 511 extending along its length for mounting the two second support rods 54. The second guide plate 55 is disposed on the top surface of the upper second mounting plate. The conveyor chain 7 is wrapped around and supported on the two opposite second support rods 54. Specifically, the rear end of the second mounting plate 511 extends to be flush with the rear end of the second conveyor plate 51, and the front end of the second support rod 54 has an extension that extends outward to the outside of the second conveyor plate 51 and can enter the first mounting area 47 to abut against the rear end of the opposite first support rod 44. Part 541, the rear end of the second support rod 54 is located inside the rear end of the second conveyor plate 51, and the rear ends of the two second mounting plates 511 form a second mounting area 57 located at the rear end of the second support rod 54. By defining the structure of the second support rod 54, the extension part 541 that extends outward can be inserted into the first mounting area 47, and then connected to the first conveyor plate 41 by bolts, so as to improve the connection strength between the drive end conveyor line 4 and the intermediate conveyor line 5. Furthermore, the length of the second guide plate 55 is the same as the length of the second support rod located at the upper end, and the length of the second guide seat 56 is the same as the length of the second support rod located at the lower end. Moreover, the structure of the second guide plate 55 and the second guide seat 56 is the same as the structure of the first guide plate 45 and the first guide seat 46. The structure will not be described in detail here.

[0035] The driven end conveyor line 6 includes two third conveyor plates 61 arranged opposite to each other, two third support components 62 arranged opposite to each other inside the two third conveyor plates 61 for supporting the two conveyor chains 7 respectively, and a plurality of third connecting rods 63 spaced apart between the two third conveyor plates 61, wherein the length of the third connecting rod 63 is the same as the length of the first connecting rod 43 and the second connecting rod 53.

[0036] The third support assembly 62 includes two third support rods 64 arranged opposite each other on the inner side of the third conveyor plate 61, a third guide plate 65 disposed above the upper third support rod, and a third guide seat 66 disposed on the top surface of the lower third support rod. The inner side of the third conveyor plate 61 has two third mounting plates 611 extending along its length for mounting the two third support rods 64. The third guide plate 65 is disposed on the top surface of the upper third mounting plate. The conveyor chain 7 is wrapped around and supported on the two opposite third support rods 64. Specifically, the front end of each third support rod 64 extends outward to the outside of the third conveyor plate 61 and can extend into the first mounting area 47 to abut against the rear end of the first support rod 44 or extend into the second mounting area. The splicing part 641, which abuts against the rear end of the second support rod 54, defines the structure of the third support rod 64. The outwardly extending splicing part 641 can extend into the first mounting area 47 or the second mounting area 57, and is then fixedly connected to the first conveyor plate 41 or the second conveyor plate 51 by bolts, thereby improving the connection strength between the driven end conveyor line 6 and the driving end conveyor line 4 or the intermediate conveyor line 5. Furthermore, the length of the third guide plate 65 is the same as the length of the upper third support rod, and the length of the third guide seat 66 is the same as the length of the lower third support rod. The structures of the third guide plate 65 and the third guide seat 66 are the same as those of the first guide plate 45 and the first guide seat 46; their structures will not be further described here.

[0037] The drive mechanism 8 includes a first rotating rod 81 rotatably mounted on the drive end conveyor line 4, two driving gears 82 spaced apart on the first rotating rod 81 and respectively cooperating with two conveyor chains 7, a second rotating rod 83 mounted on the driven end conveyor line 6, two driven gears 84 spaced apart on the second rotating rod 83 and respectively cooperating with two conveyor chains 7, a drive motor 85 mounted on the drive end conveyor line 4 and connected to the first rotating rod 81, and an adjustment assembly 86 for adjusting the tension of the two conveyor chains 7. The conveyor chains 7 are arranged around the driving gears 82 and driven gears 84 that are opposite each other. Specifically, the adjustment assembly 86 includes an adjustment plate 861 positioned opposite each other on the outer sides of the two third conveyor plates 81, and two adjustment plates 861 respectively positioned on the two adjustment plates 861. The second rotating rod 83 has two adjusting holes 862 extending along its length to support both ends of the second rotating rod 83, two adjusting screws 863 extending outward through the adjusting plate 861 at both ends of the second rotating rod 83, and two adjusting nuts 864 located on the outside of the two adjusting plates 861 and cooperating with the adjusting screws 863. By cooperating with the adjusting screws 863 and the adjusting nuts 864, the position of the second rotating rod 83 in the adjusting holes 863 is adjusted, thereby adjusting the tension of the relative conveying chain 7. Furthermore, after the conveying device is assembled, the top surfaces of the first guide plate 45, the second guide plate 55, and the third guide plate 65 are located on the same plane, and the top surfaces of the first guide seat 46, the second guide seat 56, and the third guide seat 66 are located on the same plane.

[0038] The connecting plate 9 is mounted on the opposite support frame 1 and includes a connecting plate body 91 connected to the top of the support frame 1 and two connecting portions 92 disposed on both sides of the mounting plate body 91. The connecting portions 92 are disposed between the first support rod at the lower end and the second support rod at the lower end, or between the second support rod at the lower end and the adjacent second support rod at the lower end, or between the second support rod at the lower end and the third support rod at the lower end, or between the first support rod at the lower end and the third support rod at the lower end.

[0039] The lower conveyor line 3 has a structure that is basically the same as that of the upper conveyor line 2. The difference is that the lower conveyor line 3 does not include the connecting plate 9, and the support frame 1 has a crossbar 11 for supporting the lower conveyor line 3.

[0040] In this application, the conveyor plates in the conveyor line are all made of aluminum. The length of the conveyor chain 7 can be selected according to the length of the conveyor device. In addition, in the accompanying drawings of this application, the conveyor chain 7 is only partially shown in the conveyor line structure. However, the conveyor chain 7 is a commonly used component in the conveyor device, so its structure and working principle will not be described in detail here.

[0041] When splicing the conveyor system, an intermediate conveyor line 5 can be set between the drive-end conveyor line 4 and the driven-end conveyor line 6 according to the conveying requirements of the production line. By splicing the drive-end conveyor line 4, the driven-end conveyor line 6 and the intermediate conveyor line 5, the conveyor system can meet the conveying requirements of shoe last clamps of different sizes, effectively improving the flexibility of the conveyor system. In case of conveyor system failure, the corresponding faulty part of the conveyor line can be removed for repair without dismantling the entire production line. Moreover, the removed part can also replace the corresponding part of the conveyor line, ensuring the continuous operation of the production line.

[0042] The above description is merely a preferred embodiment of the present utility model, and therefore cannot be construed as limiting the scope of the present utility model. All equivalent changes and modifications made in accordance with the scope of the present utility model application and the contents of the specification should still fall within the scope of the present utility model application.

Claims

1. A splicing conveyor device, characterized in that: The system includes multiple support frames arranged at intervals and an upper conveyor line set on the support frames. The upper conveyor line includes multiple conveyor lines set between two adjacent support frames, two conveyor chains arranged around the multiple conveyor lines, a drive mechanism connecting and driving the two conveyor chains to rotate, and multiple connecting plates set between two adjacent conveyor lines. The multiple conveyor lines include a driving end conveyor line and a driven end conveyor line arranged opposite each other, or a driving end conveyor line, a driven end conveyor line, and at least one intermediate conveyor line set between the driving end conveyor line and the driven end conveyor line. The connecting plates are set between the driving end conveyor line and the driven end conveyor line, or between the driving end conveyor line and an adjacent intermediate conveyor line, or between two adjacent intermediate conveyor lines, or between the driven end conveyor line and an intermediate conveyor line.

2. The splicing conveyor device according to claim 1, characterized in that: The drive end conveyor line includes two first conveyor plates arranged opposite each other, two first support components arranged opposite each other on the inner sides of the two first conveyor plates for supporting two conveyor chains respectively, and a plurality of first connecting rods spaced apart between the two first conveyor plates. The first support component includes two first support rods arranged opposite each other on the inner sides of the first conveyor plates. The inner side of the first conveyor plate is formed with two first mounting plates extending along its length direction for mounting the two first support rods respectively. The conveyor chains are supported around the two opposite first support rods.

3. The splicing conveyor device according to claim 2, characterized in that: The first support rod at the upper end is installed on the bottom surface of the first mounting plate at the upper end, and the first support rod at the lower end is installed on the top surface of the first mounting plate at the lower end. The length of the first support rod is less than the length of the first conveying plate. The rear end of the first mounting plate extends to be flush with the rear end of the first conveying plate. A first mounting area located at the rear end of the first support rod is formed between the two first mounting plates.

4. The splicing conveyor device according to claim 3, characterized in that: The first support assembly further includes a first guide plate disposed on the top surface of the upper first mounting plate and a first guide seat disposed on the top surface of the lower first support rod. The top surface of the first guide plate has two first guide bars that cooperate with the opposite conveyor chain, and the first guide seat has a first guide groove for the conveyor chain to drive.

5. The splicing conveyor device according to claim 3, characterized in that: The intermediate conveyor line includes two second conveyor plates arranged opposite each other, two second support assemblies arranged opposite each other on the inner sides of the two second conveyor plates for supporting two conveyor chains, and a plurality of second connecting rods spaced apart between the two second conveyor plates. The second support assembly includes two second support rods arranged opposite each other on the inner sides of the second conveyor plates. The inner side of the second conveyor plate has two second mounting plates extending along its length for mounting the two second support rods. The conveyor chains are supported around the two opposite second support rods. The rear end of the second mounting plate extends to be flush with the rear end of the second conveyor plate. The front end of the second support rod has an extension that extends outward to the outside of the second conveyor plate and can be inserted into a first mounting area to abut against the rear end of the opposite first support rod. The rear end of the second support rod is located inside the rear end of the second conveyor plate. The rear ends of the two second mounting plates form a second mounting area located at the rear end of the second support rod.

6. The splicing conveyor device according to claim 5, characterized in that: The driven end conveyor line includes two third conveyor plates arranged opposite each other, two third support assemblies arranged opposite each other on the inner sides of the two third conveyor plates for supporting two conveyor chains, and a plurality of third connecting rods spaced apart between the two third conveyor plates. The third support assembly includes two third support rods arranged opposite each other on the inner sides of the third conveyor plates. The inner side of the third conveyor plate has two third mounting plates extending along its length for mounting the two third support rods. The conveyor chains are supported around the opposite third support rods. The front end of the third support rod has a splicing part that extends outward to the outside of the third conveyor plate and can extend into the first mounting area to abut against the rear end of the first support rod or extend into the second mounting area to abut against the rear end of the second support rod.

7. The splicing conveyor device according to claim 1, characterized in that: The drive mechanism includes a first rotating rod rotatably mounted on the drive end conveyor line, two driving gears spaced apart on the first rotating rod and respectively cooperating with two conveyor chains, a second rotating rod mounted on the driven end conveyor line, two driven gears spaced apart on the second rotating rod and respectively cooperating with two conveyor chains, and a drive motor mounted on the drive end conveyor line and connected to the first rotating rod.

8. A splicing conveyor device according to claim 7, characterized in that: The drive mechanism also includes an adjustment assembly for adjusting the tension of the two conveyor chains. The adjustment assembly includes an adjustment plate disposed opposite to the outside of the two third conveyor plates, two adjustment holes respectively disposed on the two adjustment plates extending along their length to support the two ends of the second rotating rod, two adjustment screws respectively disposed at the two ends of the second rotating rod extending outward through the adjustment plates, and two adjustment nuts respectively disposed on the outside of the two adjustment plates and cooperating with the opposite adjustment screws.

9. A splicing conveyor device according to claim 1, characterized in that: It also includes a lower conveyor line located below the upper conveyor line on multiple support frames, wherein the conveying direction of the upper conveyor line is opposite to that of the lower conveyor line, and the support frames are formed with crossbars for supporting the lower conveyor line.

10. A splicing conveyor device according to claim 1, characterized in that: The connecting plate is mounted on the opposite support frame and includes a connecting plate body at the top of the support frame and two connecting parts on opposite sides of the mounting plate body. The connecting parts are located between the driving end conveyor line and the driven end conveyor line, or between the driving end conveyor line and the adjacent intermediate conveyor line, or between two adjacent intermediate conveyor lines, or between the driven end conveyor line and the intermediate conveyor line.

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