CN112456159B - High-efficient delivery device of tray - Google Patents

Abstract

The application relates to a high-efficiency pallet delivery device, which comprises a rack, wherein the rack comprises two support frames, each support frame is provided with a delivery chain, the conveying direction of each delivery chain is vertically arranged, a delivery space is formed between the two delivery chains, a driving part is arranged on each support frame, a plurality of insertion rods are arranged on each delivery chain at intervals, the depth of the insertion rods inserted into the insertion grooves is smaller than the depth of the insertion grooves in the vertical direction, two sliding frames are arranged below the delivery space in a sliding manner and slide along the directions close to or away from each other, an avoidance space is formed between the two sliding frames when the two sliding frames slide along the directions away from each other, a first driving assembly is arranged on the rack, a first conveying mechanism is arranged on each sliding frame, the conveying direction of the first conveying mechanism is perpendicular to the sliding direction of the sliding frames, the rack is provided with a second transmission mechanism below the avoidance space. This application has the effect that improves conveying efficiency to the tray.

Description

High-efficient delivery device of tray

Technical Field

The application relates to the technical field of conveying equipment, in particular to a high-efficiency tray delivery device.

Background

With the increasing awareness of the public on environmental protection, more and more people begin to choose to use paper-made environmental protection products. In the production of paper products, various types of manufacturing equipment are used, such as laminating, die cutting, printing, stacking equipment, and the like. Wherein, when the transportation is the corrugated container board that piles up the setting, need utilize the tray as corrugated container board's the bottom plate of accepting to utilize fork truck to playing the transportation of corrugated container board.

In the related art, insertion grooves which are in insertion fit with a forklift are formed in the peripheral sides of trays, as shown in fig. 4, a tray delivery device is provided, and comprises a rack 1, a storage cavity 11 is formed in the rack 1, two transmission chains 2 are arranged below the storage cavity 11 at intervals, the transmission directions of the two transmission chains 2 are horizontally arranged, and a fork-shaped lifting platform 3 is arranged between the two transmission chains 2; four clamping structures 4 for clamping the inserting grooves are symmetrically arranged on two sides of the rack 1 in the width direction above the transmission chain 2, corresponding to the four inserting grooves of the tray, and because the four clamping structures 4 are connected in the same way, one clamping structure 4 is taken as an example for explanation; the clamping structure 4 includes the peg graft pole 41 and drives actuating cylinder 42, and drives actuating cylinder 41's cylinder body and rotate and install in frame 1, and the one end of peg graft pole 42 is fixed respectively on driving actuating cylinder 41's piston rod, and the middle part of peg graft pole 42 rotates and connects in frame 1, and wherein, the axis of rotation that drives actuating cylinder 41 and peg graft pole 42 all are vertical.

For the related art in the above, the operation steps are as follows: s1, the staff uses the fork lift to place the stacked tray on the fork lift, S2, uses the driving cylinder to drive the inserting pole to insert in the inserting groove of the last but one tray, and then supports the last but one tray, S3 uses the fork lift to lower the last but one tray to two transmission chains; s4, moving the tray out of the storage cavity by using two transmission chains; s5, the fork-shaped lifting platform rises again to the distance of supporting the tray at the bottommost and moving downwards by one tray; s6, clamping the penultimate tray by using the clamping structure again, and mounting the above steps to circularly and repeatedly deliver the trays one by one; however, this delivery method has many steps to be performed, and has low delivery efficiency, and there is a need for improvement.

Disclosure of Invention

In order to improve the efficiency of delivering to the tray, this application provides a high-efficient delivery device of tray.

The application provides a high-efficient delivery device of tray adopts following technical scheme:

a high-efficiency pallet delivery device comprises a rack, wherein the rack comprises two support frames which are arranged at intervals, a delivery chain is arranged on any one support frame, the conveying direction of any one delivery chain is vertical, a delivery space is formed between the two delivery chains, a driving piece for driving the delivery chain to convey is arranged on any one support frame, a plurality of insertion rods for clamping insertion grooves of pallets are arranged on any one delivery chain at intervals, the depth of the insertion rods inserted into the insertion grooves is smaller than the depth of the insertion grooves in the vertical direction, a sliding frame is arranged below the delivery space of the rack in a sliding mode along the horizontal direction, the sliding frame is provided with two sliding frames, the two sliding frames slide along the directions close to or far away from each other, and when the two sliding frames slide along the directions far away from each other, an avoiding space is formed between the two sliding frames, the rack is provided with a first driving assembly for driving the sliding frame to slide, the sliding frame is provided with a first transmission mechanism for transmitting the tray, the transmission direction of the first transmission mechanism is perpendicular to the sliding direction of the sliding frame, and a second transmission mechanism for transmitting the tray is arranged below the avoiding space.

By adopting the technical scheme, in actual use, the insertion rods on the two delivery chains are in insertion fit with the insertion grooves on the two opposite sides of the tray, so that the effect of inserting and supporting the plurality of trays is realized, the delivery chains are driven by the driving piece to convey the plurality of trays in the vertical direction, as the depth of the insertion rods inserted into the insertion grooves is smaller than that of the insertion grooves in the vertical direction, when the tray is conveyed to the lowest end, the insertion rods can automatically separate from the insertion grooves and fall on the first conveying mechanism and are conveyed away, at the moment, the first driving assembly drives the two sliding frames to move along the direction far away from each other to form an avoiding space, then the delivery chains continue to deliver the next tray to the second conveying mechanism below the avoiding space, and then the first driving assembly drives the two sliding frames to move along the direction close to each other, and the delivery chains continue to deliver the next tray to the first conveying mechanism, the delivery mode has the advantages of few execution steps and simple operation, and can deliver two trays at one time for conveying, thereby improving the delivery efficiency of the trays.

Preferably, the first transmission mechanism comprises two first chain wheels, two first transmission chains and a second driving motor, the two first chain wheels are arranged on the sliding frame in a rotating mode along the horizontal direction and are arranged at intervals, the first transmission chains are sleeved on the two first chain wheels and form chain transmission, the second driving motor is fixedly arranged on the sliding frame, and one of the first chain wheels is coaxially fixed on an output shaft of the second driving motor.

Through adopting above-mentioned technical scheme, in the in-service use, when the tray fell on first transmission chain, the first sprocket of second driving motor drive rotated, through the chain drive between two first sprockets and the first transmission chain, carried the tray to next position, this kind of transport mode degree of automation is high, simple and convenient.

Preferably, be provided with first buffering anticollision institution on the frame that slides, first buffering anticollision institution is provided with four, four first buffering anticollision institution corresponds four contained angles of tray respectively, and is arbitrary first buffering anticollision institution all includes first compression spring and the first board of accepting, first compression spring is vertical setting, first compression spring's one end is fixed to be set up on the frame that slides, the first board of accepting is fixed to be set up at first compression spring's the other end, just the first initial height of accepting the board is higher than the conveying face of first transmission chain, the first conveying face that highly is less than first transmission chain after accepting the tray of accepting the board.

Through adopting above-mentioned technical scheme, in the in-service use, before the conveying face that the tray fell at first transmission chain, first with first board looks butt of accepting, later, under the dead weight effect of tray, compress first compression spring, until falling on the conveying face of first transmission chain, at this in-process, first initial height of accepting the board is higher than the conveying face of first transmission chain, and after accepting the tray, first board of accepting highly is less than the conveying face of first transmission chain for the tray steadily falls on first transmission chain, and then plays the mesh of buffering anticollision to first transmission chain.

Preferably, a first conveying roller is arranged on one side, close to the delivery space, of the first bearing plate, and the rotating axis of the first conveying roller is parallel to the rotating axis of the first chain wheel.

Through adopting above-mentioned technical scheme, utilize the first transmission roller that sets up on the first board of accepting, reduce the first frictional force of accepting between board and the tray bottom for the tray is taken off more smoothly from first board of accepting.

Preferably, a first pushing block is fixedly arranged on the first transmission chain.

Through adopting above-mentioned technical scheme, utilize the first ejector pad of fixed setting on the first transmission chain, the butt is at the side of tray, and along with the removal of first transmission chain, first ejector pad just can the butt on the tray, promotes the tray and ensures that it follows first transmission chain to remove together to prevent to produce relative slip between tray and the first transmission chain, the condition of unable displacement takes place.

Preferably, the second transmission mechanism includes mount, second sprocket and universal driving shaft, the second sprocket is provided with four, four the second sprocket symmetry rotates and sets up on the mount, the universal driving shaft is provided with two, two the universal driving shaft is coaxial fixing respectively on two second sprockets, the second transmission mechanism still includes second transmission chain and third driving motor, the second transmission chain is provided with two, two the second transmission chain is established respectively on two second sprockets of two universal driving shaft homonymies, third driving motor is fixed to be set up on the mount, and one of them the second sprocket is coaxial to be fixed on third driving motor's output shaft.

Through adopting above-mentioned technical scheme, in the in-service use, when the tray falls on second transmission device, the third driving motor drive rotates with its coaxial fixed second sprocket for under the effect of two universal driving shafts, two second transmission chains carry out syntropy and carry, and then carry the tray, degree of automation is high.

Preferably, be provided with second buffering anticollision institution on the mount, second buffering anticollision institution is provided with four, four second buffering anticollision institution corresponds four contained angle departments of tray respectively, and is arbitrary second buffering anticollision institution all includes that second compression spring and second accept the board, second compression spring is vertical setting, the one end of second compression spring is fixed to be set up on the mount, the second is accepted the fixed other end that sets up at second compression spring of board, just the initial height that the board was accepted to the second is higher than the conveying face of second transmission chain, the second is accepted highly being less than the conveying face of second transmission chain after the board accepts the tray.

Through adopting above-mentioned technical scheme, in actual use, before the conveying face that the tray fell at the second transmission chain, accept the board looks butt with the second earlier, later, under the dead weight effect of tray, compress second compression spring, until falling on the conveying face of second transmission chain, at this in-process, the initial height that the board was accepted to the second was higher than the conveying face of second transmission chain, and after accepting the tray, the second was accepted the highly less than the conveying face of second transmission chain of board for the tray falls steadily on second transmission chain, and then plays the crashproof purpose of buffering to second transmission chain.

Preferably, a second pushing block is fixedly arranged on the second transmission chain.

Through adopting above-mentioned technical scheme, utilize the fixed second ejector pad that sets up on the second transmission chain, the butt is at the side of tray, and along with the removal of second transmission chain, first ejector pad just can the butt on the tray, promotes the tray and ensures that it follows second transmission chain to remove together to prevent to produce relative slip between tray and the second transmission chain, the condition of unable displacement takes place.

In summary, the present application includes at least one of the following beneficial technical effects:

the first transmission mechanisms on the two sliding frames and the automatically separated splicing cooperation between the two delivery chains and the tray are utilized, so that the trays are automatically separated from the delivery chains when being conveyed to the bottommost position and fall on the first transmission mechanisms to realize the first-stage conveying of the trays;

the delivery chain is provided with the insertion rods and the insertion grooves for insertion matching, so that each insertion rod only needs to bear the gravity of one tray, and the service life of the insertion rods is prolonged.

Drawings

FIG. 1 is an axial view of an embodiment of the present application, which mainly shows the overall structure of a tray efficient delivery device;

FIG. 2 is a schematic view of a first transmission mechanism according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of a first transmission mechanism according to an embodiment of the present disclosure;

fig. 4 is a schematic view showing a structure of a tray delivery apparatus in the related art.

Reference numerals: 1. a frame; 11. a support frame; 111. a drive member; 112. a beam rod; 12. a connecting shaft; 121. a drive sprocket; 2. a delivery chain; 3. a delivery space; 4. a plug rod; 5. a sliding frame; 51. avoiding a space; 6. a first drive assembly; 61. a driving cylinder; 62. a guide bar; 7. a first transmission mechanism; 71. a first sprocket; 72. a first transmission chain; 721. a first pushing block; 73. a second drive motor; 8. a second transport mechanism; 81. a fixed mount; 811. a transverse plate; 812. supporting legs; 82. a second sprocket; 83. a linkage shaft; 84. a second transmission chain; 841. a second push block; 85. a third drive motor; 9. a first buffer anti-collision mechanism; 91. a first connecting plate; 92. a first compression spring; 93. a first bearing plate; 931. a first transfer roller; 10. a second buffer anti-collision mechanism; 101. a second connecting plate; 102. a second compression spring; 103. a second bearing plate; 1031. a second transport roller.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses high-efficient delivery device of tray.

Referring to fig. 1 and 2, a high-efficient delivery device of tray includes frame 1, and frame 1 includes that four are the support frame 11 of vertical setting and four are the connecting axle 12 of level setting, and four connecting axles 12 use two connecting axles 12 to be a set of, and each group's connecting axle 12 corresponds two support frames 11, and two connecting axles 12 axial both ends in arbitrary a set of rotate through the bearing respectively and connect between two support frames 11, and two connecting axles 12 in this group are setting from top to bottom. Similarly, the two connecting shafts 12 of the other group are connected between the other two supporting frames 11 in the same manner, wherein the four connecting shafts 12 of the two groups are parallel to each other; all coaxial two drive sprocket 121 of being fixed with on arbitrary connecting axle 12, two drive sprocket 121 on one connecting axle 12 are the interval setting along its axial, and two drive sprocket 121 on connecting axle 12 are all overlapped and are equipped with delivery chain 2 from top to bottom, arbitrary delivery chain 2's direction of delivery all is vertical setting, be formed with between four delivery chain 2 and deliver space 3, wherein, driving piece 111 is all installed at the top of two support frames 11, two driving piece 111 all set up to first driving motor, two connecting axle 12 axial one ends that are located the upside are coaxial respectively to be fixed on two first driving motor's output shaft, be promptly along with two first driving motor's synchronous drive, and through four connecting axles 12 and four drive sprocket 121, drive four delivery chain 2 and carry along vertical direction.

Referring to fig. 1 and 2, a plurality of plugging rods 4 for clamping the plugging grooves of the trays are fixed on any delivery chain 2 at intervals, the distance between adjacent plugging rods 4 on any delivery chain 2 is equal to the thickness of one tray, and the depth of any plugging rod 4 inserted into the plugging groove is smaller than the depth of the plugging groove in the vertical direction, so that when the tray is conveyed to the lowest end by four delivery chains 2, the plugging rods 4 are transited downwards to an inclined state along the track of a transmission chain wheel 121 from the horizontal direction, and at this time, the four plugging rods 4 are automatically separated from the plugging grooves, thereby realizing the automatic separation of the tray.

Referring to fig. 1 and 2, a beam rod 112 is connected between the two support frames 11, and the length directions of the two beam rods 112 are both perpendicular to the axial direction of the connecting shaft 12; the two cross beam rods 112 are positioned at the lower part of the support frame 11, the sliding frames 5 are arranged between the two cross beam rods 112 in a sliding manner, the number of the sliding frames 5 is two, the two sliding frames 5 slide along the direction close to or away from each other, the two sliding frames 5 are positioned below the delivery space 3, and when the two sliding frames 5 slide along the direction away from each other, an avoiding space 51 is formed between the two sliding frames 5; the two cross beam rods 112 are provided with first driving assemblies 6 for driving the sliding frame 5 to slide, and since the structures and the installation manners of the two first driving assemblies 6 are the same, an example of one of the first driving assemblies 6 is now explained.

Referring to fig. 1 and 2, the first driving assembly 6 includes a driving cylinder 61 and two guide rods 62, the driving cylinder 61 is fixed on the beam rod 112 through a mounting seat, and one side of each of the two sliding frames 5 departing from each other is fixed at the end of the piston rod of each of the two driving cylinders 61, the two guide rods 62 are symmetrically arranged with respect to the driving cylinder 61, the two guide rods 62 penetrate through the beam rod 112 and form sliding fit with the beam rod, and the sliding frames 5 are fixed at the ends of the two guide rods 62. In use, the two driving cylinders 61 drive the two sliding frames 5 to move in the horizontal direction in the directions approaching to or departing from each other under the guiding action of the respective guiding rods 62.

Referring to fig. 1 and 2, the two sliding frames 5 are respectively provided with a first transmission mechanism 7 for transmitting the tray, and the transmission direction of the two first transmission mechanisms 7 is perpendicular to the sliding direction of the sliding frames 5; since the two first transmission mechanisms 7 have the same structure and the same connection relationship with the sliding rack 5, the connection relationship between one of the first transmission mechanisms 7 and the sliding rack 5 will be described as an example.

Referring to fig. 1 and 2, the first transmission mechanism 7 includes two first chain wheels 71, two first chain wheels 71 rotatably connected to two ends of the sliding frame 5 through bearings in a horizontal direction, the first chain wheels 72 are sleeved on the two first chain wheels 71 to form a chain transmission, the second driving motor 73 is fixedly installed on one side of the sliding frame 5 close to the beam rod 112, and one of the first chain wheels 71 is coaxially fixed on an output shaft of the second driving motor 73; and the two first transmission chains 72 are fixed with first pushing blocks 721, when the tray falls on the first transmission chains 72, the two first pushing blocks 721 are positioned at the rear sides of the first transmission chains, and each time the two first transmission chains 72 circulate, the two first pushing blocks are abutted against the side edges of the first tray, so that the tray is circularly pushed.

In practical use, when the tray is conveyed to the lowest end by the conveying chain 2, the inserting rod 4 automatically breaks away from the inserting groove and falls on the first transmission chain 72, at this time, the two second driving motors 73 synchronously drive the first chain wheels 71 on the two sliding frames 5 to rotate, so as to drive the first transmission chain 72 to operate, and the tray is conveyed to the next station; after one pallet is conveyed, the two driving cylinders 61 drive the two sliding frames 5 to slide in the direction away from each other, so that the avoidance space 51 is formed between the two sliding frames 5.

Referring to fig. 1 and 3, a second transmission structure 8 is arranged below the avoidance space 51, the transmission direction of the second transmission structure 8 is opposite to that of the first transmission mechanism 7, the second transmission mechanism 8 comprises a fixed frame 81, second chain wheels 82 and linkage shafts 83, the fixed frame 81 comprises two transverse plates 811 which are parallel to each other and supporting legs 812 which are vertically fixed at the end parts of the two transverse plates 811, four second chain wheels 82 are arranged, the four second chain wheels 82 are symmetrically and rotatably arranged on the fixed frame 81 through bearings, the linkage shafts 83 are provided with two, the two linkage shafts 83 are respectively and coaxially fixed on the two second chain wheels 82, and the two linkage shafts 83 are parallel to each other; the second transmission mechanism 8 further comprises two second transmission chains 84 and a third driving motor 85, the two second transmission chains 84 are respectively sleeved on two second chain wheels 82 on the same side of the two linkage shafts 83, the third driving motor 85 is fixedly arranged on the fixed frame 81, and one of the second chain wheels 82 is coaxially fixed on an output shaft of the third driving motor 85; in addition, the two second transmission chains 84 are fixed with second pushing blocks 841, when the tray falls on the second transmission chains 84 from the avoiding space 51, the two second pushing blocks are positioned at the rear side of the second transmission chains, and every time the two first transmission chains 72 circulate once, the two first pushing blocks are abutted against the side edges of the first tray, so that the tray is circularly pushed.

In practical use, after the avoidance space 51 is formed, the four delivery chains 2 are conveyed downwards again, and the next tray falls on the second conveying chain 84, and is conveyed to another station by the second conveying chain driven by the third driving motor 85.

Referring to fig. 1 and 2, in order to reduce the impact force caused by the tray falling onto the first transmission chain 72 to the first transmission chain 72, the two sliding frames 5 are provided with the first buffer anti-collision mechanisms 9, the first buffer anti-collision mechanisms 9 are provided with four in number, the four first buffer anti-collision mechanisms 9 are located inside the two sliding frames 5, and the four first buffer anti-collision mechanisms 9 respectively correspond to four included angles of the tray, because the structures of the four first buffer anti-collision mechanisms 9 and the connection relation with the sliding frames 5 are the same, the first buffer anti-collision mechanism 9 is taken as an example for explanation.

Referring to fig. 1 and 2, the first buffer anti-collision mechanism 9 includes a first connection plate 91, a first compression spring 92, and a first receiving plate 93, the first connection plate 91 is fixed on the sliding frame 5 by welding, the first compression spring 92 is vertically disposed, a bottom end of the first compression spring 92 is fixed on the first connection plate 91, the first receiving plate 93 is fixed on a top end of the first compression spring 92, a first transmission roller 931 is rotatably disposed on one side of the first receiving plate 93 close to the delivery space 3, and a rotation axis of the first transmission roller 931 is parallel to a rotation axis of the first sprocket 71.

In practical use, when the tray falls on the conveying surface of the first conveying chain 72, the tray abuts against the first receiving plate 93, then, under the self-weight of the tray, the first compression spring 92 is compressed until the tray falls on the conveying surface of the first conveying chain 72, in the process, the initial height of the first receiving plate 93 is higher than the conveying surface of the first conveying chain 72, and after the tray is received, the height of the first receiving plate 93 is lower than the conveying surface of the first conveying chain 72, so that the tray falls on the first conveying chain 72 smoothly, and the purpose of buffering and collision prevention is achieved for the first conveying chain 72.

Referring to fig. 1 and fig. 3, similarly, the fixing frame 81 is provided with four second buffering anti-collision mechanisms 10, the four second buffering anti-collision mechanisms 10 are symmetrically fixed on the inner sides of the two transverse plates 811, and the four second buffering anti-collision mechanisms 10 correspond to four corners of the tray respectively, since the structure of any second buffering anti-collision mechanism 10 and the connection relationship with the fixing frame 81 are the same, the description is given by taking one of the second buffering anti-collision mechanisms 10 as an example.

Referring to fig. 1 and 3, the second buffer anti-collision mechanism 10 includes a second connecting plate 101, a second compression spring 102 and a second receiving plate 103, the second connecting plate 101 is fixed on the horizontal plate 811 by welding, the second compression spring 102 is vertically disposed, a bottom end of the second compression spring 102 is fixed on the second connecting plate 101, the second receiving plate 103 is fixed on a top end of the second compression spring 102, a second transmission roller 1031 is rotatably disposed on one side of the second receiving plate 103 close to the delivery space 3, and a rotation axis of the second transmission roller 1031 is parallel to a rotation axis of the second sprocket 82.

In practical use, when the tray passes through the avoidance space 51 and falls on the conveying surface of the second conveying chain 84, the tray is firstly abutted with the second bearing plate 103, then under the action of the self weight of the tray, the second compression spring 102 is compressed until the tray falls on the conveying surface of the second conveying chain 84, in the process, the initial height of the second bearing plate 103 is higher than the conveying surface of the second conveying chain 84, and after the tray is borne, the height of the second bearing plate 103 is lower than the conveying surface of the second conveying chain 84, so that the tray falls on the second conveying chain 84 smoothly, and the purpose of buffering and collision avoidance is further achieved for the second conveying chain 84.

The implementation principle of the efficient tray delivery device in the embodiment of the application is as follows:

in practical use, the pallets which are stacked are lifted to the upper side of the delivery space 3 by using a forklift, then two first driving motors are started to operate, the four delivery chains 2 are synchronously conveyed downwards, the insertion rods 4 at the tops of the four delivery chains 2 are transited from the circular arc sections of the transmission chain wheels 121 to be in insertion fit with the insertion grooves on the two sides of the width direction of the pallets, the pallets at the bottoms are supported, the forklift can leave, and after the forklift leaves, the two first driving motors continue to drive the four delivery chains 2 to synchronously convey downwards, so that the insertion rods 4 which are arranged at intervals on the four delivery chains 2 are correspondingly inserted into the insertion grooves on the side faces of all the pallets, and the insertion support of each pallet is realized;

When the tray is conveyed to the lowest end by the four delivery chains 2, the insertion rods 4 are transited to an inclined state from the horizontal direction along the track of the transmission chain wheel 121, and at the moment, the four insertion rods 4 are automatically separated from the insertion grooves, so that the automatic separation of the tray is realized;

the separated tray falls on the four first bearing plates 93 on the two sliding frames 5, and the falling tray is buffered and prevented from collision under the action of the first compression springs 92 until the tray falls on the first transmission chain 72 stably; then, the two second driving motors 73 synchronously drive the first chain wheels 71 on the two sliding frames 5 to rotate, so as to drive the two first transmission chains 72 to operate, and the tray is transmitted to the next station under the pushing action of the two first push blocks; after one pallet is conveyed, the two driving cylinders 61 drive the two sliding frames 5 to rapidly slide along the directions away from each other, so that an avoidance space 51 is formed between the two sliding frames 5;

at this time, the four delivery chains 2 are conveyed downwards again, the next tray falls on the second bearing plate 103, after the buffer and collision avoidance action of the second compression spring 102, the next tray falls on the second conveying chain 84 smoothly, and the tray is conveyed to another station by the second conveying chain under the pushing action of the two second pushing blocks 841 through the driving of the third driving motor 85;

Whole process for after first transmission device 7 carried a tray, four delivery chain 2 can be down transport two trays rapidly, and then improved the transport efficiency to the tray.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (1)

1. A high-efficiency delivery device for pallets, comprising: the automatic conveying device comprises a rack (1), wherein the rack (1) comprises two supporting frames (11) which are arranged at intervals, a conveying chain (2) is arranged on any supporting frame (11), the conveying direction of any conveying chain (2) is vertically arranged, a conveying space (3) is formed between the two conveying chains (2), a driving piece (111) for driving the conveying chain (2) to convey is arranged on any supporting frame (11), a plurality of inserting rods (4) for clamping tray inserting grooves are arranged on any conveying chain (2) at intervals, the depth of the inserting rods (4) inserted into the inserting grooves is smaller than that of the inserting grooves in the vertical direction, sliding frames (5) are arranged below the conveying space (3) of the rack (1) in a sliding mode along the horizontal direction, two sliding frames (5) are arranged, and the two sliding frames (5) slide along the directions close to or far away from each other, when the two sliding frames (5) slide along the direction away from each other, an avoidance space (51) is formed between the two sliding frames (5), a first driving assembly (6) for driving the sliding frames (5) to slide is arranged on the rack (1), first transmission mechanisms (7) for transmitting trays are arranged on the two sliding frames (5), the transmission direction of the first transmission mechanisms (7) is perpendicular to the sliding direction of the sliding frames (5), and second transmission mechanisms (8) for transmitting trays are arranged below the avoidance space (51) of the rack (1);

The first transmission mechanism (7) comprises two first chain wheels (71), two first transmission chains (72) and two second driving motors (73), the two first chain wheels (71) are arranged on the sliding frame (5) in a rotating mode along the horizontal direction and are arranged at intervals, the first transmission chains (72) are sleeved on the two first chain wheels (71) to form chain transmission, the second driving motors (73) are fixedly arranged on the sliding frame (5), and one of the first chain wheels (71) is coaxially fixed on an output shaft of the second driving motor (73);

the tray conveying device is characterized in that a first buffer anti-collision mechanism (9) is arranged on the sliding frame (5), four first buffer anti-collision mechanisms (9) are arranged, the four first buffer anti-collision mechanisms (9) correspond to four included angles of a tray respectively, any first buffer anti-collision mechanism (9) comprises a first compression spring (92) and a first bearing plate (93), the first compression spring (92) is vertically arranged, one end of the first compression spring (92) is fixedly arranged on the sliding frame (5), the first bearing plate (93) is fixedly arranged at the other end of the first compression spring (92), the initial height of the first bearing plate (93) is higher than the conveying surface of the first conveying chain (72), and the height of the first bearing plate (93) after bearing the tray is lower than the conveying surface of the first conveying chain (72);

A first conveying roller (931) is arranged on one side, close to the delivery space (3), of the first bearing plate (93), and the rotating axis of the first conveying roller (931) is parallel to the rotating axis of the first chain wheel (71);

a first push block is fixedly arranged on the first transmission chain (72);

the second transmission mechanism (8) comprises a fixed frame (81), a second chain wheel (82) and a linkage shaft (83), the number of the second chain wheels (82) is four, the four second chain wheels (82) are symmetrically and rotatably arranged on the fixed frame (81), two linkage shafts (83) are arranged, the two linkage shafts (83) are respectively coaxially fixed on the two second chain wheels (82), the second transmission mechanism (8) also comprises a second transmission chain (84) and a third driving motor (85), two second transmission chains (84) are arranged, the two second transmission chains (84) are respectively sleeved on two second chain wheels (82) on the same side of the two linkage shafts (83), the third driving motor (85) is fixedly arranged on the fixed frame (81), and one of the second chain wheels (82) is coaxially fixed on an output shaft of a third driving motor (85);

the tray conveying device is characterized in that a second buffer anti-collision mechanism (10) is arranged on the fixing frame (81), four second buffer anti-collision mechanisms (10) are arranged, the four second buffer anti-collision mechanisms (10) correspond to four included angles of a tray respectively, each second buffer anti-collision mechanism (10) comprises a second compression spring (102) and a second bearing plate (103), the second compression springs (102) are vertically arranged, one ends of the second compression springs (102) are fixedly arranged on the fixing frame (81), the second bearing plates (103) are fixedly arranged at the other ends of the second compression springs (102), the initial height of the second bearing plates (103) is higher than the conveying surface of the second conveying chain (84), and the height of the second bearing plates (103) after bearing the tray is lower than the conveying surface of the second conveying chain (84);

A second pushing block (841) is fixedly arranged on the second transmission chain (84).

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