Double-station box sleeving and supporting mechanism for elastic box

Abstract

The invention provides a double-station box sleeving and supporting mechanism for an elastic box. The double-station box sleeving and supporting mechanism comprises a lifting unit of a portal frame structure. The box sleeving and supporting unit is installed in the middle of the lifting unit in a crossing connection mode, the box sleeving and supporting unit is of an upper-layer structure and a lower-layer structure, a first tooth-shaped chain and a second tooth-shaped chain are arranged on the two sides of the lifting unit correspondingly, and first connecting blocks are installed on the first tooth-shaped chain and the second tooth-shaped chain correspondingly; the two ends of the upper-layer structure and the lower-layer structure of the sleeve box supporting unit are installed on the first connecting blocks. On the basis of the arrangement of the lifting unit and the box sleeving and supporting unit, it can be effectively ensured that the elastic box is supported in multiple directions in the mode of conforming to the shape of the box body, the situations of excessive supporting, abnormal-form supporting and the like are effectively avoided, the position is easy to adjust, and boxing production line application of cigarette cartons of different specifications can be greatly facilitated.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of elastic box double-station sleeve box supporting mechanism, belong to the automatic logistics conveying sorting technical field. BACKGROUND

[0002] At present, a part of cigarette in commercial tobacco wisdom logistics adopts elastic box packaging, and the elastic box is a kind of reusable green packaging box that shrinks in natural state. When used, it needs to be expanded to the corresponding size according to the shape of the stacked cigarette. A typical elastic box is mentioned in the Chinese patent with the publication number CN111470144A.

[0003] In the prior art, the expansion of such elastic boxes is generally completed by using a separate dedicated expander. This dedicated expander generally has only one degree of freedom, i.e., the up-down stretching direction. However, in practice, this expander often causes box damage due to excessive expansion or abnormal expansion, resulting in high material and rework costs. Moreover, its position is often fixed, which is not convenient for the integrated operation of box expansion and packing for various different specifications of cigarettes. SUMMARY

[0004] To solve the above technical problems, the present application provides an elastic box double-station sleeve box supporting mechanism. Based on the setting of the lifting unit and the sleeve box supporting unit, the elastic box double-station sleeve box supporting mechanism can effectively ensure the multi-directional expansion of the elastic box in a manner consistent with the shape of the box, effectively avoid excessive expansion or abnormal expansion, and easily adjust the position, which is greatly beneficial to the application of the packing line for various different specifications of cigarettes.

[0005] The present application is achieved by the following technical solutions.

[0006] The elastic box double-station sleeve box supporting mechanism provided by the present application includes a lifting unit in a gantry structure. A sleeve box supporting unit is installed on the middle part of the lifting unit in a cross connection. The sleeve box supporting unit has an upper layer structure and a lower layer structure. First and second toothed chains are installed on the two sides of the lifting unit. First connecting blocks are installed on the first and second toothed chains. The upper and lower layer structures of the sleeve box supporting unit are installed on the first connecting blocks. First and second guide rails are installed beside the first and second toothed chains. The upper and lower layer structures of the sleeve box supporting unit are slidably installed on the first and second guide rails through second connecting blocks. An up-down supporting cylinder is fixedly installed on the lower layer structure of the sleeve box supporting unit, and the power end of the up-down supporting cylinder is connected and installed on the upper layer structure of the sleeve box supporting unit.

[0007] The upper layer structure of the sleeve box supporting unit is fixedly connected with first and third guide rail connecting pieces at both ends. The first and third guide rail connecting pieces are fixed on the second connecting blocks.

[0008] The lower structure of the box supporting unit is fixed with a second guide rail connecting piece and a fourth guide rail connecting piece at both ends respectively, and the second guide rail connecting piece and the fourth guide rail connecting piece are both fixed on the second connecting block.

[0009] The top surface of the lower structure of the box supporting unit is provided with a fixed plate, and the fixed plate is fixed with an elastic limiting plate at a position opposite to the upper structure and the lower structure.

[0010] The left and right sides of the fixed plate of the lower structure of the box supporting unit are respectively provided with left and right telescopic plates, and the box supporting unit is provided with telescopic cylinders for driving the left and right telescopic plates to open and close relative to each other.

[0011] The upper structure of the box supporting unit is provided with a first cylinder and a second cylinder, the first cylinder and the second cylinder are coaxially and reversely fixed and installed, the first cylinder drives a first telescopic plate to move along a telescopic guide rail, the second cylinder drives a second telescopic plate to move along the telescopic guide rail, the telescopic guide rail is fixed on the opposite sides of the upper structure and the lower structure, and the opposite outer sides of the first telescopic plate and the second telescopic plate are both provided with side bending guard plates.

[0012] The center of the first telescopic plate and the second telescopic plate is fixed with a middle support guard plate, and the fixed plate is fixed on the middle support guard plate.

[0013] The upper and lower supporting cylinders are installed at the center point position of the plane of the upper structure through the clamp connecting piece.

[0014] The bottom of the lifting unit is provided with a first polyurethane buffer unit and a second polyurethane buffer unit on both sides respectively, which are installed on the ground for buffering and limiting the box supporting unit.

[0015] The first toothed chain and the second toothed chain pass through a top transmission assembly installed on the top of the gantry structure, the top transmission assembly is driven by a servo motor assembly fixed on the top of the gantry structure through a toothed chain wheel, the bottom of the first toothed chain is installed on a first driven assembly fixed on the ground, and the bottom of the second toothed chain is installed on a second driven assembly fixed on the ground.

[0016] The box supporting unit is provided with a first polyurethane buffer unit and a second polyurethane buffer unit on both sides respectively, which are installed on the ground for buffering and limiting the box supporting unit. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic diagram of at least one embodiment of the application; Figure 2 is Figure 1Another working state structure diagram; Figure 3 is Figure 1 The structure diagram of the lifting unit in the first embodiment of the application; Figure 4 is Figure 1 The structure diagram of the sleeve box supporting box unit in the first embodiment of the application; Figure 5 is Figure 4 The back structure diagram of the first embodiment of the application; Figure 6 is Figure 5 The internal structure diagram of the first embodiment of the application.

[0018] In the figure: 1-lifting unit, 101-servo motor assembly, 102-toothed chain wheel, 103-top transmission assembly, 104-first toothed chain, 105-second toothed chain, 106-first driven assembly, 107-second driven assembly, 108-first connecting block, 109-second connecting block, 110-first guide rail, 111-second guide rail, 112-first polyurethane buffer unit, 113-second polyurethane buffer unit, 2-sleeve box supporting box unit, 201-first guide rail connecting piece, 202-second guide rail connecting piece, 203-third guide rail connecting piece, 204-fourth guide rail connecting piece, 205-telescopic guide rail, 206-fixed plate, 207-left telescopic plate, 208-right telescopic plate, 209-telescopic cylinder, 210-elastic limit plate, 211-up and down supporting box cylinder, 212-middle supporting plate, 213-first telescopic plate, 214-second telescopic plate, 215-first cylinder, 216-second cylinder, 217-clamp connecting piece, 218-side bending protection plate. DETAILED DESCRIPTION

[0019] The technical solutions of the application are further described below, but the scope of protection is not limited to the description.

[0020] The first embodiment of the application relates to a lifting device as shown in Figures 1 to 6The illustrated elastic box double-station sleeve box supporting mechanism comprises a lifting unit 1 in a portal frame structure; a sleeve box supporting unit 2 is horizontally connected and installed on the middle part of the lifting unit 1, the sleeve box supporting unit 2 is in a two-layer structure, first toothed chains 104 and second toothed chains 105 are respectively arranged at the two sides of the lifting unit 1, first connecting blocks 108 are installed on the first toothed chains 104 and the second toothed chains 105, and the upper layer structure and the lower layer structure of the sleeve box supporting unit 2 are both installed on the first connecting blocks 108; first guide rails 110 and second guide rails 111 are also respectively arranged beside the first toothed chains 104 and the second toothed chains 105, and the upper layer structure and the lower layer structure of the sleeve box supporting unit 2 are both slidably installed on the first guide rails 110 and the second guide rails 111 through second connecting blocks 109; an up-down sleeve box supporting cylinder 211 is fixedly installed on the lower layer structure of the sleeve box supporting unit 2, and a power end of the up-down sleeve box supporting cylinder 211 is connected and installed on the upper layer structure of the sleeve box supporting unit 2.

[0021] The second embodiment of the present application is basically the same as the first embodiment, and mainly lies in that first guide rail connecting pieces 201 and third guide rail connecting pieces 203 are respectively fixed at the two ends of the upper layer structure of the sleeve box supporting unit 2, and the first guide rail connecting pieces 201 and the third guide rail connecting pieces 203 are both fixed on the second connecting blocks 109.

[0022] Further, the first guide rail connecting pieces 201 and the third guide rail connecting pieces 203 are respectively fixed at the two ends of the upper layer structure of the sleeve box supporting unit 2, and the first guide rail connecting pieces 201 and the third guide rail connecting pieces 203 are both fixed on the second connecting blocks 109.

[0023] The third embodiment of the present application is basically the same as the first embodiment, and mainly lies in that a fixed plate 206 is installed on the top surface of the lower layer structure of the sleeve box supporting unit 2; and elastic limiting plates 210 are fixed on the positions opposite to each other of the upper layer structure and the lower layer structure of the fixed plate 206.

[0024] Further, left and right telescopic plates 207 and 208 are respectively installed on the two sides of the fixed plate 206 of the lower layer structure of the sleeve box supporting unit 2, and telescopic cylinders 209 are installed in the sleeve box supporting unit 2 for driving the left and right telescopic plates 207 and 208 to open and close relative to each other.

[0025] Further, a first cylinder 215 and a second cylinder 216 are installed in the upper layer structure of the sleeve box supporting unit 2, the first cylinder 215 and the second cylinder 216 are coaxially and reversely fixedly installed, the first cylinder 215 drives a first telescopic plate 213 to move along a telescopic guide rail 205, the second cylinder 216 drives a second telescopic plate 214 to move along the telescopic guide rail 205, the telescopic guide rail 205 is fixed on the opposite sides of the upper layer structure and the lower layer structure, and side bending guard plates 218 are arranged on the opposite outer sides of the first telescopic plate 213 and the second telescopic plate 214.

[0026] Further, the center of the first telescopic plate 213 and the second telescopic plate 214 is fixed with a middle support plate 212, and the fixed plate 206 is fixed to the middle support plate 212.

[0027] Further, the up-down support box cylinder 211 is installed at the center point of the plane of the upper structure through the clamp connector 217.

[0028] The fourth embodiment of the present application is substantially the same as the first embodiment, and mainly lies in that the first polyurethane buffer unit 112 and the second polyurethane buffer unit 113 are installed on the ground at both sides of the bottom of the lifting unit 1 for buffering and limiting the box supporting unit 2.

[0029] Further, the first toothed chain 104 and the second toothed chain 105 pass through the top transmission assembly 103 installed on the top of the gantry structure, and the top transmission assembly 103 is driven by the servo motor assembly 101 fixed on the top of the gantry structure through the toothed chain wheel 102; the bottom of the first toothed chain 104 is installed around the first driven assembly 106 fixed on the ground, and the bottom of the second toothed chain 105 is installed around the second driven assembly 107 fixed on the ground.

[0030] The fourth embodiment of the present application combines the above-mentioned embodiments, and mainly lies in that it comprises the lifting unit 1 and the box supporting unit 2, wherein the toothed chain wheel installed on the top servo motor assembly 101 of the lifting unit and the toothed chain wheel 102 on the top transmission assembly 103 are connected through the annular toothed chain, and the constant transmission ratio of the toothed chain is used to ensure the transmission accuracy. The toothed chain wheels on both sides of the top transmission assembly 103 are respectively connected with the first driven assembly 106 and the second driven assembly 107 through the first toothed chain 104 and the second toothed chain 105, and the first toothed chain 104 and the second toothed chain 105 are provided with a first connecting block 108 for connecting with the box supporting unit 2. The lifting unit 1 is provided with a first guide rail 110 and a second guide rail 111 as guides. The bottom of the lifting unit is provided with a first polyurethane buffer unit 112 and a second polyurethane buffer unit 113. In this way, the lifting unit 1 is lifted through the forward and reverse rotation of the top servo motor assembly 101, and the box supporting unit 2 is lifted through the connection between the first connecting block 108 on the lifting unit 1 and the box supporting unit 2.

[0031] The guide rail connecting pieces first guide rail connecting piece 201, second guide rail connecting piece 202, third guide rail connecting piece 203, fourth guide rail connecting piece 204 on the sleeve box supporting and boxing unit 2 are connected with the first guide rail 110 and the second guide rail 111 of the lifting unit 1 through the second connecting block 109, and the lifting direction of the sleeve box supporting and boxing unit 2 is realized. The sleeve box supporting and boxing unit 2 is provided with two sleeve box supporting and boxing stations, which are composed of upper clamps and lower clamps. After the upper clamps and the lower clamps are retracted left and right and contracted up and down, the sleeve box condition is met, and the sleeve box is taken from other stations. The lower clamp is provided with a fixed plate 206, and left and right sides of the fixed plate 206 are provided with left and right expansion plates 207 and 208, respectively. The left and right expansion plates 207 and 208 are respectively installed on two parallel straight line expansion rails 205, and the left and right expansion plates 207 and 208 are simultaneously retracted and extended through the expansion cylinder 209 below the fixed plate 206, so that the left and right supporting and boxing of the lower clamp is completed. The upper and lower supporting and boxing cylinder 211 is installed on the lower clamp, the shaft end head of the upper and lower supporting and boxing cylinder 211 is installed on the connecting piece 217 of the upper clamp, and the cylinder is extended to complete the upper and lower supporting and boxing function. Similarly, the upper clamp is provided with a fixed guide plate 212, and the left and right sides of the fixed guide plate 212 are provided with first and second expansion plates 213 and 214, respectively. The first and second expansion plates 213 and 214 are respectively installed on the straight line guide rails 208, and the first and second expansion plates 213 and 214 are installed on the first and second cylinders 215 and 216 at the same time, so that the left and right supporting and boxing of the upper clamp is completed through the simultaneous retraction and extension of the first and second cylinders 215 and 216. At this point, the left and right supporting and boxing of the upper clamp and the left and right supporting and boxing of the lower clamp are simultaneously operated, and the upper and lower supporting and boxing cylinder 211 is extended to complete the upper and lower supporting and boxing function. In this way, the sleeve box supporting and boxing function is completed. The above is a single station operation mode, and the double station operates synchronously in the same principle.

Claims

1. A flexible box double-station box supporting mechanism, comprising a lifting unit (1) of a gantry frame structure, characterized in that: The lifting unit (1) is connected and mounted across the middle of the upper part of the box support unit (2). The box support unit (2) has a two-layer structure. The upper sides of the lifting unit (1) are respectively connected by a first toothed chain (104) and a second toothed chain (105). A first connecting block (108) is installed on both the first toothed chain (104) and the second toothed chain (105). The upper and lower structures of the box support unit (2) are both installed on the first connecting block (108). 4) A first guide rail (110) and a second guide rail (111) are respectively provided on the side of the second toothed chain (105). The upper and lower structures of the box support unit (2) are slidably installed on the first guide rail (110) and the second guide rail (111) through the second connecting block (109). The lower structure of the box support unit (2) is fixedly installed with an upper and lower support cylinder (211). The power end of the upper and lower support cylinder (211) is connected to the upper structure of the box support unit (2).

2. The elastic box double-station sleeve box support mechanism as described in claim 1, characterized in that: The upper structure of the box support unit (2) is fixed with a first guide rail connector (201) and a third guide rail connector (203) at both ends. The first guide rail connector (201) and the third guide rail connector (203) are both fixed to the second connecting block (109).

3. The elastic box double-station sleeve box support mechanism as described in claim 1, characterized in that: The lower structure of the box support unit (2) is fixed with a second guide rail connector (202) and a fourth guide rail connector (204) at both ends. The second guide rail connector (202) and the fourth guide rail connector (204) are both fixed to the second connecting block (109).

4. The elastic box double-station sleeve box support mechanism as described in claim 1, characterized in that: A fixing plate (206) is installed on the top surface of the lower structure of the box support unit (2); an elastic limiting plate (210) is fixed on the fixing plate (206) at a position directly opposite to the upper and lower structures.

5. The elastic box double-station sleeve box support mechanism as described in claim 4, characterized in that: The lower structure of the box support unit (2) has a left telescopic plate (207) and a right telescopic plate (208) installed on both sides of the fixing plate (206). The box support unit (2) is equipped with a telescopic cylinder (209) to push the left telescopic plate (207) and the right telescopic plate (208) to open and close relative to each other.

6. The elastic box double-station sleeve box support mechanism as described in claim 1 or 4, characterized in that: The upper structure of the box support unit (2) is equipped with a first cylinder (215) and a second cylinder (216). The first cylinder (215) and the second cylinder (216) are coaxially and fixedly installed in opposite directions. The first cylinder (215) drives the first telescopic plate (213) to move along the telescopic guide rail (205), and the second cylinder (216) drives the second telescopic plate (214) to move along the telescopic guide rail (205). The telescopic guide rail (205) is fixed on the opposite sides of the upper and lower structures. The opposite outer sides of the first telescopic plate (213) and the second telescopic plate (214) both have side bending guard plate (218) structures.

7. The elastic box double-station sleeve box support mechanism as described in claim 6, characterized in that: A central support plate (212) is fixed at the center of the line connecting the first telescopic plate (213) and the second telescopic plate (214), and a fixing plate (206) is fixed to the central support plate (212).

8. The elastic box double-station sleeve box support mechanism as described in claim 1, characterized in that: The upper and lower support cylinders (211) are installed at the center point of the plane of the upper structure via a clamp connector (217).

9. The elastic box double-station sleeve box support mechanism as described in claim 1, characterized in that: The lifting unit (1) has a first polyurethane buffer unit (112) and a second polyurethane buffer unit (113) installed on the ground on both sides of the bottom for buffering and limiting the support unit (2).

10. The elastic box double-station sleeve box supporting mechanism as described in claim 1, characterized in that: The first toothed chain (104) and the second toothed chain (105) are driven by a top transmission assembly (103) mounted on the top of the gantry structure. The top transmission assembly (103) is driven by a servo motor assembly (101) fixed on the top of the gantry structure via a toothed sprocket (102). The bottom of the first toothed chain (104) is mounted around a first driven assembly (106) fixed to the ground, and the bottom of the second toothed chain (105) is mounted around a second driven assembly (107) fixed to the ground.

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