Stacking and stack supplying device based on lead screw transmission

Abstract

The utility model discloses a stacking and stacking device based on lead screw transmission, which comprises a main frame, a pallet output line, a traversing component and a lifting component, the pallet output lines are arranged on the lower portion of the main frame, the number of the pallet output lines is two, and the two pallet output lines are arranged in parallel. The number of the transverse moving assemblies is two, and the two transverse moving assemblies are fixedly installed on the two sides of the main frame correspondingly and are oppositely arranged. The lifting assembly comprises a lifting frame, a lead screw and a driving motor, the lifting frame is located between the two pallet output lines, the lead screw is arranged at the bottom of the lifting frame, a nut matched with the lead screw is arranged on the lead screw, the nut is fixedly connected with the lifting frame, and the lead screw is in transmission connection with the driving motor; the driving motor is fixedly connected with the main frame. The lifting height value of each time can be adjusted according to the actual change condition, the precision is guaranteed, and the failure rate is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical automation, in particular to a stacking and supplying device based on lead screw transmission. Background Art

[0002] A stacker crane is a machine used in conjunction with a palletizer. It is a mechanism that supplies pallets for goods during production. Pallets are needed to stack goods for easy transportation and packaging. The stacker crane can provide pallets in an orderly and continuous manner according to the needs of the goods. No manual labor is required, and the pallets are supplied uniformly and timely, thereby improving production efficiency.

[0003] Given the limited dimensional accuracy of pallets, they often wear out during repeated use. This causes the height of stacked pallets to vary, preventing the traverse device from entering the pallet openings and causing a fault alarm. Resolving this issue is a pressing issue in the field. Utility Model Content

[0004] The purpose of this utility model is to provide a stacking and supplying device based on screw transmission to solve the shortcomings of the existing technology. It can completely avoid such situations by driving the screw device through a motor. When the height changes, the height value of each lift can be adjusted according to the actual changes to ensure accuracy and reduce the failure rate.

[0005] The utility model provides a stacking and supplying device based on a lead screw drive, which includes a main frame, a pallet output line, a traverse assembly and a lifting assembly;

[0006] The pallet output line is arranged at the lower part of the main frame, and there are two pallet output lines, which are arranged in parallel;

[0007] There are two traverse assemblies, which are fixedly mounted on both sides of the main frame and arranged opposite to each other;

[0008] The lifting assembly includes a lifting frame, a screw rod and a drive motor. The lifting frame is located between the two pallet output lines. The screw rod is arranged at the bottom of the lifting frame. A nut that cooperates with the screw rod is provided on the screw rod. The nut is fixedly connected to the lifting frame. The screw rod is in transmission connection with the drive motor; the drive motor is fixedly connected to the main frame.

[0009] As described above, a stacking and supplying device based on a screw drive, wherein preferably, when the lifting frame descends to the lowest point, the top of the lifting frame is lower than the pallet output line; when the lifting frame rises to the highest point, the top of the lifting frame is higher than the traverse assembly.

[0010] A palletizing supply stack device based on screw drive as described above, wherein, preferably, an output line support frame is fixedly installed inside the main frame, two parallel support rods are provided on the output line support frame, and the two pallet output lines are respectively arranged on the two support rods;

[0011] The lifting frame passes through the output line support frame, a first slider is provided on the lifting frame, and a first slide rail cooperating with the first slider is provided on the output line support frame, and the first slide rail is vertically arranged; the screw rod is vertically arranged, the upper end of the screw rod is rotatably connected to the output line support frame, and the driving motor is fixedly connected to the output line support frame.

[0012] A palletizing supply stack device based on screw drive as described above, wherein, preferably, a bearing seat is fixedly installed in the middle of the output line support frame, a bearing is provided inside the bearing seat, and the upper end of the screw rod is inserted into the bearing and fixedly connected to the inner ring of the bearing.

[0013] A palletizing supply stack device based on screw drive as described above, wherein, preferably, the traversing assembly includes a telescopic mechanism and two support arms;

[0014] Support plates are fixedly installed on two opposite sides of the main frame, the support plates are horizontally arranged, the support arms are slidably installed on the support plates, and one ends of the two support arms far away from the main frame are fixedly connected by a connecting plate. The telescopic mechanism is fixedly installed at one end of the support plate far away from the main frame, and the telescopic mechanism is fixedly connected to the connecting plate.

[0015] A palletizing supply stack device based on screw drive as described above, wherein, preferably, the position of the support plate is higher than the pallet output line.

[0016] A palletizing supply stack device based on screw drive as described above, wherein, preferably, the telescopic mechanism is a hydraulic cylinder or a pneumatic cylinder.

[0017] A palletizing supply stack device based on screw drive as described above, wherein, preferably, two second slide rails are fixedly installed on the support plate, and the support arms are slidably installed on the second slide rails through second sliders.

[0018] A palletizing supply stack device based on screw drive as described above, wherein, preferably, a positioning rod is arranged inside the main frame, and the positioning rod is vertically arranged.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] 1. The lifting frame of the present utility model is lifted and lowered by a screw rod, and the lifting height is easier to control. When the pallet is worn and the height of a stack of pallets changes, the lifting height can be adjusted so that the traversing component can enter the opening of the pallet, avoiding fault alarms and improving the adaptability of the palletizing and feeding device.

[0021] 2. The present utility model uses a screw rod to lift the lifting frame upward to move the pallet thereon to the traversing component, enabling the traversing component to insert into the second pallet from the bottom up, thus supporting the entire stack of pallets. Then, the lifting frame moves downward to make the first pallet fall onto the pallet output line. Compared with the up-and-down movement of the lifting and traversing component, the structure of this application is simpler, the operation is more convenient, the movement is smoother, and it avoids the shaking and dropping of the pallet caused by unstable movement. Brief Description of the Drawings

[0022] Figure 1 is a schematic structural diagram of a palletizing and feeding device based on screw drive proposed by the present utility model;

[0023] Figure 2 is a schematic installation structure diagram of the lifting component, the output line support frame, and the pallet output line;

[0024] Figure 3 is Figure 2 a schematic structural diagram from another perspective;

[0025] Figure 4 is Figure 2 a top view of;

[0026] Figure 5 is Figure 2 a bottom view of;

[0027] Figure 6 is a schematic diagram of the state of the palletizing and feeding device based on screw drive proposed by the present utility model in the working state.

[0028] Explanation of Reference Numerals:

[0029] 1 - Main frame, 2 - Pallet output line, 21 - Chain, 22 - Sprocket wheel, 23 - Connecting shaft, 24 - First gear, 25 - Second gear, 3 - Traversing component, 4 - Lifting component, 41 - Lifting frame, 42 - Screw rod, 43 - Driving motor, 44 - Nut, 45 - First slider, 5 - Output line support frame, 6 - Support rod, 7 - First slide rail, 8 - Bearing seat, 31 - Telescopic mechanism, 32 - Support arm, 9 - Support plate, 33 - Connecting plate, 10 - Second slide rail, 11 - Positioning rod, 12 - Connecting rod, 13 - Mounting plate. Detailed Embodiment

[0030] The embodiments described below by reference to the accompanying drawings are exemplary and are only used to explain the present utility model, and should not be construed as a limitation to the present utility model.

[0031] Embodiment 1 of the present utility model:

[0032] As Figure 1 shown, the present utility model proposes a palletizing supply stack device based on screw drive, including a main frame 1 for supporting the whole device, a pallet output line 2 for transporting pallets, a transverse movement component 3 and a lifting component 4; the transverse movement component 3 is mainly used to support the second pallet from bottom to top, thus supporting the whole stack of pallets, and finally making the first pallet fall onto the lifting component 4. After the first pallet falls onto the lifting component 4, the lifting component 4 holds the pallet and then falls down onto the pallet output line 2, waiting for the pallet output line 2 to send it out of the supply stack device.

[0033] The pallet output line 2 is arranged at the lower part of the main frame 1, and there are two pallet output lines 2, and the two pallet output lines 2 are arranged in parallel.

[0034] There are two transverse movement components 3, and the two transverse movement components 3 are respectively fixedly installed on both sides of the main frame 1, and the two transverse movement components 3 are arranged oppositely.

[0035] The lifting component 4 includes a lifting frame 41, a screw rod 42 and a driving motor 43. The lifting frame 41 is located between the two pallet output lines 2. The screw rod 42 is arranged at the bottom of the lifting frame 41. A nut 44 cooperating with the screw rod 42 is arranged on the screw rod 42. The nut 44 is fixedly connected with the lifting frame 41. The screw rod 42 is in transmission connection with the driving motor 43; the driving motor 43 is fixedly connected with the main frame 1. By the rotation of the driving motor 43 to drive the rotation of the screw rod 42, thereby driving the nut 44 to move up or down. The up or down movement of the nut 44 drives the lifting frame 41 to move up or down, and further drives the pallet on the lifting frame 41 to move up or down. Adopting the driving motor 43 to drive the screw rod 42 to drive and then drive the lifting frame 41 to move up and down makes it easier to control the height of the movement of the lifting frame 41. When the pallet is worn, the lifting height can be adjusted according to the height of the stack of pallets after stacking, so that the transverse movement component 3 can enter the pallet opening, avoiding causing a fault alarm. The screw rod 42 is a ball screw rod.

[0036] When the lifting frame 41 descends to the lowest point, the top of the lifting frame 41 is lower than the pallet output line 2. Thus, it is convenient to place the pallet on the lifting frame 41 onto the pallet output line 2 and be conveyed away by the pallet output line 2; when the lifting frame 41 rises to the highest point, the top of the lifting frame 41 is higher than the transverse movement component 3. Thus, when the pallet is worn and the height of the stack of pallets after stacking changes, by adjusting the lifting height of the lifting frame 41, it can still ensure that the transverse movement component 3 enters the pallet opening, avoiding causing a fault alarm. Improve the adaptability of the palletizing supply stack device.

[0037] Embodiment 2 of the present utility model:

[0038] This embodiment is a further improvement based on Embodiment 1. The same parts as those in Embodiment 1 will not be described again, and only the improvement points will be elaborated. Refer to Figures 1 - 5 As shown, an output wire support frame 5 is fixedly installed inside the main frame 1. There are two parallel support rods 6 on the output wire support frame 5, and two pallet output wires 2 are respectively arranged on the two support rods 6; specifically, the support rod 6 is a hollow rod, and the pallet output wire 2 includes a chain 21, a sprocket 22 and a motor. There are two sprockets 22, and the two sprockets 22 are respectively rotatably installed at both ends of the support rod 6, and the rotation center line of the sprocket 22 is horizontally arranged. The chain 21 is in transmission connection with the two sprockets 22, forming a sprocket transmission combination. A part of the chain 21 is located on the support rod 6, and a part passes through the hollow of the support rod 6. One of the sprockets 22 is in transmission connection with the motor. To facilitate the synchronous movement control of the two pallet output wires 2, two sprockets 22 located at the same end of the two support rods 6 can be fixedly connected through a connecting shaft 23. A first gear 24 is installed on the connecting shaft 23, a second gear 25 is installed on the output shaft of the motor, the first gear 24 is meshed with the second gear 25, and the motor is fixed on the output wire support frame 5.

[0039] The lifting frame 41 passes through the output wire support frame 5. There are multiple first sliders 45 on the lifting frame 41, and the multiple first sliders 45 are evenly distributed along the circumferential direction of the lifting frame 41. There is a first slide rail 7 on the output wire support frame 5 that cooperates with the first slider 45, and the first slide rail 7 is vertically arranged; the lead screw 42 is vertically arranged, the upper end of the lead screw 42 is rotatably connected to the output wire support frame 5, and the driving motor 43 is fixedly connected to the output wire support frame 5. By setting the cooperation between the first slider 45 and the first slide rail 7, the lifting frame 41 can move up and down more smoothly, avoiding the left and right shaking of the lifting frame 41. A bearing seat 8 is fixedly installed in the middle of the output wire support frame 5. There is a bearing inside the bearing seat 8, and the upper end of the lead screw 42 is inserted into the bearing and fixedly connected to the inner ring of the bearing.

[0040] As a realization method, the lifting frame 41 includes an upper bracket and a lower bracket. The upper bracket and the lower bracket are arranged in parallel, and the upper bracket and the lower bracket are directly fixedly connected through several support rods. There is a connecting rod 12 connected between the two support rods 6. The upper bracket is located above the connecting rod 12, the lower bracket is located below the connecting rod 12, the bearing seat 8 is fixedly installed on the connecting rod 12, and a mounting plate 13 is fixedly installed at the bottom of the lower bracket. The mounting plate 13 is horizontally arranged, and the nut 44 passes through the mounting plate 13 and is fixedly connected to the mounting plate 13.

[0041] The transverse movement component 3 includes a telescopic mechanism 31 and two support arms 32;

[0042] On opposite sides of the main frame 1, there are support plates 9 fixedly installed. The support plates 9 are fixedly installed on the outside of the main frame 1 by welding. The support plates 9 are horizontally arranged and are located higher than the pallet output line 2. The support arms 32 are slidably installed on the support plates 9. Specifically, two second slide rails 10 are fixedly installed on the support plates 9, and the support arms 32 are slidably installed on the second slide rails 10 through second sliders. The ends of the two support arms 32 far from the main frame 1 are fixedly connected by a connecting plate 33. The telescopic mechanism 31 is fixedly installed at the end of the support plate 9 far from the main frame 1, and the telescopic mechanism 31 is fixedly connected to the connecting plate 33; the telescopic mechanism 31 is a hydraulic cylinder or a pneumatic cylinder.

[0043] To facilitate the neat arrangement of a stack of pallets after the pallet enters the main frame 1, at least two positioning rods 11 are arranged in the main frame 1. The positioning rods 11 are vertically arranged. For the convenience of positioning, the positioning rods 11 are arranged on two adjacent inner side surfaces of the main frame 1.

[0044] The technological process is as follows:

[0045] First, manually use a forklift or a lift to neatly place the standard-sized pallets into the entire pallet supply component in sequence. The entire stack of pallets all rests on the pallet output line 2. The driving motor 43 below the lifting frame 41 drives the screw rod 42, causing the lifting frame 41 to rise, and at the same time lifting the entire stack of pallets upward, so that the side holes of the second pallet from the bottom are aligned with the support arms 32 of the transverse movement components 3 on the left and right sides. Refer to Figure 6 As shown. After reaching the position, the telescopic mechanism 31 extends, and the support arms 32 are inserted into the side holes of the pallet. At this time, the lifting frame 41 supports the first pallet and then descends until it lands on the pallet output line 2. Then the pallet output line 2 conveys the pallet out of the pallet supply component. In this way, the continuous output of the pallet is completed in a cycle.

[0046] The structure, features, and function effects of the present utility model have been described in detail based on the embodiments shown in the drawings above. The above is only the preferred embodiment of the present utility model, but the present utility model is not limited to the scope shown in the drawings. Any changes made according to the concept of the present utility model, or modified into equivalent embodiments with equivalent changes, as long as they do not exceed the spirit covered by the description and the drawings, shall be within the protection scope of the present utility model.

Claims

1. A stacking and supplying device based on a screw drive, characterized in that: It includes a main frame (1), a pallet output line (2), a traverse assembly (3) and a lifting assembly (4); The pallet output line (2) is arranged at the lower part of the main frame (1), and there are two pallet output lines (2), and the two pallet output lines (2) are arranged in parallel; There are two traverse assemblies (3), and the two traverse assemblies (3) are fixedly mounted on both sides of the main frame (1), and the two traverse assemblies (3) are arranged opposite to each other; The lifting assembly (4) includes a lifting frame (41), a screw rod (42) and a drive motor (43). The lifting frame (41) is located between the two pallet output lines (2). The screw rod (42) is arranged at the bottom of the lifting frame (41). The screw rod (42) is provided with a nut (44) that matches the screw rod (42). The nut (44) is fixedly connected to the lifting frame (41). The screw rod (42) is transmission-connected to the drive motor (43); the drive motor (43) is fixedly connected to the main frame (1).

2. The stacking and supplying device based on screw transmission according to claim 1 is characterized in that: When the lifting frame (41) descends to the lowest point, the top of the lifting frame (41) is lower than the pallet output line (2); when the lifting frame (41) rises to the highest point, the top of the lifting frame (41) is higher than the traverse assembly (3).

3. The stacking and supplying device based on screw transmission according to claim 1 is characterized in that: An output line support frame (5) is fixedly installed in the main frame (1), and two parallel support rods (6) are provided on the output line support frame (5), and the two pallet output lines (2) are respectively arranged on the two support rods (6); The lifting frame (41) passes through the output line support frame (5), the lifting frame (41) is provided with a first slider (45), the output line support frame (5) is provided with a first slide rail (7) matched with the first slider (45), and the first slide rail (7) is vertically arranged; the screw rod (42) is vertically arranged, the upper end of the screw rod (42) is rotatably connected to the output line support frame (5), and the driving motor (43) is fixedly connected to the output line support frame (5).

4. The stacking and supplying device based on lead screw transmission according to claim 3 is characterized in that: A bearing seat (8) is fixedly installed in the middle of the output line support frame (5), a bearing is provided in the bearing seat (8), and the upper end of the screw rod (42) is inserted into the bearing and fixedly connected to the inner ring of the bearing.

5. The stacking and supplying device based on lead screw transmission according to claim 1, characterized in that: The traverse assembly (3) comprises a telescopic mechanism (31) and two support arms (32); Support plates (9) are fixedly mounted on opposite sides of the main frame (1), the support plates (9) are arranged horizontally, the support arms (32) are slidably mounted on the support plates (9), the ends of the two support arms (32) away from the main frame (1) are fixedly connected via a connecting plate (33), the telescopic mechanism (31) is fixedly mounted on the end of the support plate (9) away from the main frame (1), and the telescopic mechanism (31) is fixedly connected to the connecting plate (33).

6. The stacking and supplying device based on lead screw transmission according to claim 5, characterized in that: The support plate (9) is positioned higher than the pallet output line (2).

7. The stacking and supplying device based on screw transmission according to claim 5, characterized in that: The telescopic mechanism (31) is a hydraulic cylinder or a pneumatic cylinder.

8. The stacking and supplying device based on lead screw transmission according to claim 5, characterized in that: Two second slide rails (10) are fixedly mounted on the support plate (9), and the support arm (32) is slidably mounted on the second slide rails (10) via a second slider.

9. The stacking and supplying device based on lead screw transmission according to claim 1, characterized in that: A positioning rod (11) is arranged in the main frame (1), and the positioning rod (11) is arranged vertically.

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