Automatic tray stacking mechanism

Abstract

The utility model belongs to the technical field of production and processing equipment, and discloses an automatic tray stacking mechanism which comprises a conveying belt, stacked trays are placed on the conveying face of the conveying belt, the left side and the right side of the conveying belt are each provided with a stacking mechanism, and the two sets of stacking mechanisms are symmetrically arranged with the center line of the conveying belt as the original point. Each stacking mechanism comprises a supporting vertical frame, a lifting mechanism is arranged in the middle of each supporting vertical frame, stacked trays are placed on the conveying belt, the second tray from bottom to top is inserted and taken through the two inserting and taking devices of the two sets of stacking mechanisms, the two lifting devices are driven by the synchronous driving device to ascend at the same time, and then the trays are stacked. Therefore, after all the stacked trays except the tray on the lowest layer are lifted, the tray on the lowest layer is conveyed away through the conveying belt. Ten pallets can be conveyed to the stack dividing mechanism by a forklift for splitting at a time, so that the existing manual stack dividing operation is optimized, the production efficiency of an enterprise is improved, manpower is saved, and the labor cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to production and processing technical field, concretely relates to a tray automatic stacking mechanism. BACKGROUND

[0002] In the production and processing process, the material in production or the packaged material needs to be transported, so the stacked sheet metal or box is stacked on the tray, and then is transported by a forklift or other handling tool, in this process, the tray stacked together needs to be split into a single one before being used normally, and at present, most factories still manually split the stack by manual work, which is low in work efficiency and time-consuming and laborious, and cannot keep up with the production rate of the automatic production line, therefore, the technical personnel in the field need to design a tray capable of automatically splitting the stack to match the high-speed production line. SUMMARY

[0003] The utility model aims at providing a tray automatic stacking mechanism, and aims at solving the above technical problems existing in the prior production and processing technology.

[0004] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0005] A tray automatic stacking mechanism, comprising a conveying belt, a stack of trays is placed on the conveying surface of the conveying belt, a stacking mechanism is arranged on the left and right sides of the conveying belt, and two groups of the stacking mechanism are symmetrically arranged with the center line of the conveying belt as the origin;

[0006] The stacking mechanism comprises a supporting stand, a lifting mechanism is arranged in the middle of the supporting stand, a plug-in device is arranged at the top center of the lifting mechanism, two plug-in devices plug in the second last layer of the stacked tray, the lowermost layer of the stacked tray is conveyed with the conveying belt, a synchronous driving device is arranged between the bottoms of two supporting stands, and the synchronous driving device drives two groups of the lifting mechanism to move synchronously.

[0007] In a preferred embodiment of the utility model, the lifting mechanism comprises a lifting platform and four groups of linear slide rail assemblies one, four groups of the linear slide rail assemblies one are fixedly installed along the vertical direction and four vertical columns of the supporting stand, the lifting platform is slidably connected with the supporting stand through four groups of the linear slide rail assemblies one, a screw rod lifting machine is fixedly installed in the middle of the supporting stand, the output end of the screw rod lifting machine is fixedly installed at the bottom of the lifting platform, and two screw rod lifting machines are driven by the synchronous driving device.

[0008] In a preferred embodiment of the utility model, the synchronous driving device includes synchronous motor, the synchronous motor is fixedly installed at the bottom of any one of the support stand, the output shaft of synchronous motor is fixedly installed with one end of transmission shaft, the transmission shaft is installed between two support stands through the shaft seat, the surface of transmission shaft and corresponding the screw rod elevator place all are fixedly installed with driving sprocket, the output end of driving sprocket is fixedly installed with driven sprocket, and driving sprocket is driven connection through double-row roller chain and driven sprocket.

[0009] In a preferred embodiment of the utility model, the inserting device includes two groups of linear slide rail assemblies two and electric telescopic cylinder, the telescopic shaft end of electric telescopic cylinder is fixedly installed with the middle part of push plate, the slide rail of two groups of linear slide rail assemblies two is fixedly installed on the top of lifting platform left and right sides, the sliding block of linear slide rail assembly two is fixedly installed with push plate, and the left and right sides of the surface close to transmission belt one of push plate are all fixedly installed with hook plate.

[0010] In a preferred embodiment of the utility model, the cross section of hook plate is L-shaped, and the top is inclined to the direction away from the transmission belt.

[0011] In a preferred embodiment of the utility model, the spacing of the two hook plates perpendicular to the center line matches the center line spacing of the two fork sleeves on the same side of the tray.

[0012] The utility model has the advantages of:

[0013] The utility model discloses a kind of mechanisms for stacking tray to be placed on transmission belt, the second tray is inserted by two groups of inserting device of two groups of stacking mechanism from below, and two groups of lifting devices are driven by synchronous driving device simultaneously, so that all stacking tray above the tray of the lowermost layer is lifted, and the tray of the lowermost layer is conveyed by transmission belt;Ten trays can be transported by shovel to the present stacking mechanism for splitting in one time, optimize the existing manual stacking operation procedure, improve enterprise production efficiency, also save manpower, reduce enterprise labor cost. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the plane structure schematic diagram before the utility model is stacked;

[0015] Figure 2 It is the front view plane structure schematic diagram of stacking mechanism.

[0016] Figure 3 It is the side view plane structure schematic diagram of stacking mechanism;

[0017] Figure 4 It is the plane structure schematic diagram of stacking mechanism from above;

[0018] Figure 5 This is a schematic diagram of the planar structure of the present invention after stacking.

[0019] Reference numerals in the attached diagram; wherein: 1. Stacking mechanism; 2. Support frame; 3. Lifting mechanism; 31. Screw elevator; 32. Linear slide rail assembly one; 33. Lifting platform; 4. Insertion and retrieval device; 41. Hook plate; 42. Push plate; 43. Electric telescopic cylinder; 44. Linear slide rail assembly two; 5. Synchronous drive device; 51. Drive shaft; 52. Synchronous motor; 53. Double-row roller chain; 54. Drive sprocket; 55. Driven sprocket; 6. Conveyor belt; 7. Pallet. Detailed Implementation

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the present utility model will be briefly introduced below in conjunction with the accompanying drawings and descriptions of the embodiments or the prior art. Obviously, the following description of the structure of the accompanying drawings is only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. It should be noted that the description of these embodiments is used to help understand this utility model, but does not constitute a limitation on this utility model.

[0021] Example:

[0022] like Figures 1-5 As shown, this embodiment provides an automatic pallet stacking mechanism, including a conveyor belt 6, on which stacked pallets 7 are placed. Stacking mechanisms 1 are provided on both the left and right sides of the conveyor belt 6, and the two stacking mechanisms 1 are symmetrically arranged with the center line of the conveyor belt 6 as the origin.

[0023] The stacking mechanism 1 includes a support frame 2, a lifting mechanism 3 is provided in the middle of the support frame 2, and an insertion device 4 is provided at the top center of the lifting mechanism 3. The two insertion devices 4 insert into the second to last layer of the stacked pallets 7. The bottom layer of the stacked pallets 7 is conveyed by the conveyor belt 6. A synchronous drive device 5 is provided between the bottoms of the two support frames 2. The synchronous drive device 5 drives the two sets of lifting mechanisms 3 to move synchronously.

[0024] Specifically, such as Figures 1-2 As shown, this mechanism places the stacked pallets 7 on the conveyor belt 6, uses two sets of insertion devices 4 of the two-stage stacking mechanism 1 to insert the second pallet 7 from bottom to top, and simultaneously drives two sets of lifting devices to rise through the synchronous drive device 5, thereby lifting all the stacked pallets 7 except the bottom pallet 7. The bottom pallet 7 is then transported away through the conveyor belt 6, and the remaining pallets 7 are placed back on the top of the conveyor belt 6. The above steps are repeated to stack and transport the pallets 7 one by one.

[0025] The ten trays 7 can be transported by the forklift to the present sorting mechanism 1 for splitting at one time, the manual sorting operation steps are optimized, the production efficiency of the enterprise is improved, and manpower is saved, and the labor cost of the enterprise is reduced.

[0026] In a preferred embodiment of the present application, further, the lifting mechanism 3 comprises a lifting platform 33 and four sets of linear slide rail assemblies one 32, the four sets of linear slide rail assemblies one 32 are fixedly installed along the vertical direction on the four columns of the support stand 2, the lifting platform 33 is slidably connected with the support stand 2 through the four sets of linear slide rail assemblies one 32, the middle part of the support stand 2 is fixedly installed with a lead screw elevator 31, the output end of the lead screw elevator 31 is fixedly installed on the bottom of the lifting platform 33, and the two lead screw elevators 31 are driven by the synchronous driving device 5.

[0027] Specifically, as shown in Figure 2 two sets of lifting mechanisms 3 drive two sets of lead screw elevators 31 at the same time through the synchronous device, the lifting platform 33 is jacked up through the two sets of lead screw elevators 31, so that the lifting adjustment of the plug-in and take-out device 4 is realized, so that the lifting action after the stacking is inserted and taken out can be realized, wherein the use of the lead screw elevator 31 provides powerful power for the lifting of the tray 7, so that the present sorting mechanism 1 can sequentially split the tray 7 stacked in ten layers, and the function is very powerful, and the equipment productivity is greatly improved.

[0028] In a preferred embodiment of the present application, further, the synchronous driving device 5 comprises a synchronous motor 52, the synchronous motor 52 is fixedly installed at the bottom of any one support stand 2, the output shaft of the synchronous motor 52 is fixedly installed at one end of a transmission shaft 51, the transmission shaft 51 is installed between the two support stands 2 through an axle seat, and the surface of the transmission shaft 51 and the corresponding lead screw elevators 31 are fixedly installed with a driving sprocket 54, the output end of the driving sprocket 54 is fixedly installed with a driven sprocket 55, and the driving sprocket 54 is in transmission connection with the driven sprocket 55 through a double-row roller chain 53.

[0029] Specifically, as shown in Figures 3-4 the synchronous motor 52 is rotated to drive the transmission shaft 51 and the two driving sprockets 54 fixedly installed on the surface thereof to rotate, so that the rotating force is transmitted to the driven sprocket 55 through the two double-row roller chains 53, and the two driven sprockets 55 synchronously drive the two lead screw elevators 31 to synchronously jack up the lifting platform 33.

[0030] In a preferred embodiment of the utility model, further, the inserting and taking device 4 includes electric telescopic cylinder 43 and two groups of linear slide rail assembly two 44, the telescopic axle end of electric telescopic cylinder 43 is fixedly installed with the middle part of push plate 42, the slide rail of two groups of linear slide rail assembly two 44 is fixedly installed on the top left and right sides of lifting platform 33, the slider of linear slide rail assembly two 44 is fixedly installed with push plate 42, and the left and right sides of the one side of push plate 42 close to conveying belt 6 are fixedly installed with hook plate 41.

[0031] In a preferred embodiment of the utility model, further, the cross section of hook plate 41 is L-shaped, and the top thereof is inclined away from conveying belt 6.

[0032] In a preferred embodiment of the utility model, further, the spacing of the two hook plates 41 perpendicular to the center line matches the center line spacing of the two fork sleeves on the same side of tray 7.

[0033] Specifically as Figures 1-3 shown, when lifting mechanism 3 lifts two groups of inserting and taking device 4 to the set position, push plate 42 is simultaneously moved to the tray by two electric telescopic cylinders 43, and the same side of the two hook plates 41 is simultaneously inserted into the two fork sleeves on the side of tray 7, when lifting mechanism 3 is lifted again, the uppermost tray 7 is lifted, and then the single tray 7 after splitting can be sent away by conveying belt 6.

[0034] The working principle of the tray automatic unstacking mechanism is as follows:

[0035] By placing the stacked tray 7 on conveying belt 6, the second tray 7 from bottom to top is inserted by two groups of inserting and taking device 4 of two groups of unstacking mechanism 1, and two groups of lifting devices are simultaneously driven to ascend by synchronous driving device 5, so that all the stacked trays 7 above the lowermost tray 7 are lifted, and then the lowermost tray 7 is conveyed away by conveying belt 6, and the remaining trays 7 are placed on the top of conveying belt 6, and the above steps are repeated, so that the trays 7 are unstacked and conveyed one by one.

[0036] Finally, it should be pointed out that: the above is only the preferred embodiment of the utility model, and is not used to limit the protection scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An automatic pallet stacking mechanism, comprising a conveyor belt (6), wherein stacked pallets (7) are placed on the conveyor surface of the conveyor belt (6), characterized in that: Stacking mechanisms (1) are provided on both the left and right sides of the conveyor belt (6), and the two sets of stacking mechanisms (1) are symmetrically arranged with the center line of the conveyor belt (6) as the origin. The stacking mechanism (1) includes a support frame (2), a lifting mechanism (3) is provided in the middle of the support frame (2), and an insertion device (4) is provided at the top center of the lifting mechanism (3). The two insertion devices (4) insert into the second-to-last layer of the stacked pallet (7) in opposite directions. The bottom layer of the stacked pallet (7) is conveyed by the conveyor belt (6). A synchronous drive device (5) is provided between the bottoms of the two support frames (2). The synchronous drive device (5) drives the two sets of lifting mechanisms (3) to move synchronously.

2. The automatic pallet stacking mechanism according to claim 1, characterized in that, The lifting mechanism (3) includes a lifting platform (33) and four sets of linear slide rail assemblies (32). The four sets of linear slide rail assemblies (32) are fixedly installed vertically to the four columns of the support frame (2). The lifting platform (33) is slidably connected to the support frame (2) through the four sets of linear slide rail assemblies (32). A screw lift (31) is fixedly installed in the middle of the support frame (2). The output end of the screw lift (31) is fixedly installed at the bottom of the lifting platform (33). Both screw lifts (31) are driven by the synchronous drive device (5).

3. The automatic pallet stacking mechanism according to claim 2, characterized in that, The synchronous drive device (5) includes a synchronous motor (52), which is fixedly installed at the bottom of any of the support frames (2). The output shaft of the synchronous motor (52) is fixedly installed at one end of the transmission shaft (51). The transmission shaft (51) is installed between the two support frames (2) through a shaft seat. A drive sprocket (54) is fixedly installed on the surface of the transmission shaft (51) and at the location corresponding to the screw elevator (31). A driven sprocket (55) is fixedly installed at the output end of the drive sprocket (54). The drive sprocket (54) is connected to the driven sprocket (55) through a double-row roller chain (53).

4. The automatic pallet stacking mechanism according to claim 3, characterized in that, The insertion device (4) includes an electric telescopic cylinder (43) and two sets of linear slide rail assemblies (44). The telescopic shaft end of the electric telescopic cylinder (43) is fixedly installed with the middle part of the push plate (42). The slide rails of the two sets of linear slide rail assemblies (44) are fixedly installed on the left and right sides of the top of the lifting platform (33). The slider of the linear slide rail assembly (44) is fixedly installed with the push plate (42). Hook plates (41) are fixedly installed on the left and right sides of the push plate (42) near the conveyor belt (6).

5. The automatic pallet stacking mechanism according to claim 4, characterized in that, The hook plate (41) has an L-shaped cross-section, with its top inclined away from the conveyor belt (6).

6. The automatic pallet stacking mechanism according to claim 4, characterized in that, The distance between the vertical center lines of the two hook plates (41) matches the distance between the center lines of the two fork sleeves on the same side of the pallet (7).

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