An opening and closing type cargo stacking execution device

Abstract

The present invention relates to the technical field of logistics machinery and equipment, and in particular to an opening and closing type cargo stacking execution device. The opening and closing type cargo stacking execution device comprises a transverse movement mechanism, a conveying arm mounting frame, an opening and closing mechanism and two conveying arms, wherein the conveying arm mounting frame is movably mounted on the transverse movement mechanism, the two conveying arms are movably arranged at intervals on the conveying arm mounting frame, and the opening and closing mechanism is arranged between the two conveying arms, driving the conveying arms to move along the conveying arm mounting frame, thereby adjusting the interval distance between the two conveying arms to achieve cargo stacking. It not only has a simple structure, but also has better control over the landing point of the cargo, which is conducive to keeping the cargo stacking neat and with a low bit error rate.

Description

Technical Field

[0001] The present invention relates to the technical field of logistics mechanical equipment, and in particular to an opening and closing type cargo stacking execution device. Background Art

[0002] With the increase in labor costs and the promotion of automation technology, more and more industries and factories have begun to use automatic cargo stacking devices to load and stack goods or transfer and stack them.

[0003] The current automatic cargo stacking device is generally composed of a cargo transport device and a cargo stacking actuator. The cargo transport device generally uses a telescopic belt conveyor, and the cargo stacking actuator is generally a telescopic plate structure. The telescopic plate structure is used to stack and unload goods, which will produce a large friction force with the goods. During stacking, that is, when the plate is pulled out to unload the goods, the goods will fall off the belt, the stacking shape is relatively random, and the error rate is high. In addition, during the transportation process before stacking, it is easy to get stuck, resulting in a significantly increased failure rate of stacking. Summary of the invention

[0004] The object of the present invention is to provide an opening and closing type cargo stacking execution device with simple structure, better stacking type control and lower bit error rate.

[0005] In order to achieve the above-mentioned purpose, the present invention provides an opening and closing type cargo stacking execution device, including a transverse movement mechanism, a conveying arm mounting frame, an opening and closing mechanism and two conveying arms, the conveying arm mounting frame is movably mounted on the transverse movement mechanism, the two conveying arms are movably arranged on the conveying arm mounting frame at intervals, the opening and closing mechanism is arranged between the two conveying arms, driving the conveying arms to move along the conveying arm mounting frame, and is used to adjust the interval distance between the two conveying arms.

[0006] Preferably, a conveyor belt device is provided on the conveying arm to provide power for the goods to move on the conveying arm.

[0007] Preferably, the transverse mechanism comprises a transverse frame, a transverse motor, a driving pulley, a driven pulley and a transverse synchronous belt, the transverse motor is fixed on the transverse frame, the driving pulley and the driven pulley are respectively arranged at two ends of the transverse frame, and the driving pulley and the driven pulley are connected through the transverse synchronous belt, wherein the driving pulley is connected to the output shaft of the transverse motor;

[0008] The transverse synchronous belt contacts the conveying arm mounting bracket to provide power for the conveying arm mounting bracket to move along the transverse frame.

[0009] Preferably, a tensioning pulley for adjusting the transverse synchronous belt is further provided between the driving pulley and the driven pulley.

[0010] Preferably, the conveying arm is movably mounted on the conveying arm mounting frame through a movable unit, and the opening and closing mechanism includes two telescopic actuators arranged opposite to each other, each of the telescopic actuators is connected to one of the conveying arms, and is used to drive the conveying arm connected thereto to move along the conveying arm mounting frame.

[0011] Preferably, the moving unit comprises an L-shaped plate and a slider, the slider is fixed on one side of the L-shaped plate, and the conveying arm is fixed on the other side of the L-shaped plate;

[0012] The conveying arm mounting frame is provided with a slideway matched with the sliding block.

[0013] Preferably, the telescopic actuator is a pneumatic cylinder, a hydraulic cylinder or an electric cylinder.

[0014] Preferably, the main body of the conveying arm is a long trough body, and the conveying belt device is arranged in cooperation with the long trough body;

[0015] Wherein, the conveyor belt device comprises:

[0016] A transmission roller, wherein a guide groove is provided on the outer periphery of the transmission roller, and a plurality of the transmission rollers are rotatably arranged at intervals in the long slot body;

[0017] A conveyor belt, wherein a guide strip cooperating with the guide groove is provided on the inner side of the conveyor belt, and the transmission roller drives the conveyor belt to rotate;

[0018] A conveyor belt bracket, the conveyor belt bracket is located between adjacent transmission rollers and fixed on the long trough body, and is used to support the conveyor belt. The conveyor belt bracket is also provided with a receiving groove that cooperates with the guide strip;

[0019] A drive motor is provided to provide power to at least one of the transmission rollers.

[0020] Preferably, the transmission roller is provided with two guide grooves, and the inner side of the conveyor belt is provided with two guide strips respectively cooperating with the two guide grooves.

[0021] Preferably, a conveyor belt tightening device is also provided at the front end of the conveyor arm, and the conveyor belt tightening device includes a U-shaped frame and an adjusting bolt. The open end of the U-shaped frame is clamped on the outer side of the long trough body and connected to the transmission roller at the front end of the conveyor arm. The adjusting bolt passes through the bottom end of the U-shaped frame and abuts against the front end side wall of the conveyor arm. The distance between the transmission roller at the front end of the conveyor arm and the front end side wall of the conveyor arm is adjusted by the adjusting bolt to adjust the tightness of the conveyor belt.

[0022] The above technical solution of the present invention has the following advantages: the opening and closing type cargo stacking execution device provided by the present invention comprises a transverse movement mechanism, a conveying arm mounting frame, an opening and closing mechanism and two conveying arms, the conveying arm mounting frame is movably mounted on the transverse movement mechanism, the two conveying arms are movably arranged at intervals on the conveying arm mounting frame, the opening and closing mechanism is arranged between the two conveying arms, driving the conveying arms to move along the conveying arm mounting frame, thereby adjusting the interval between the two conveying arms to achieve cargo stacking. It is not only simple in structure, but also has better control over the landing point of the cargo, which is conducive to keeping the cargo stacking neat and with low bit error rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of an opening and closing type cargo stacking execution device according to an embodiment of the present invention;

[0024] Figure 2 yes Figure 1 Schematic diagram of the structure after removing the cargo pallet;

[0025] Figure 3 It is a side view schematic diagram of an opening and closing type cargo stacking execution device according to an embodiment of the present invention;

[0026] Figure 4 is a structural schematic diagram of a transverse movement mechanism according to an embodiment of the present invention;

[0027] Figure 5 is a schematic diagram of a cutaway conveying arm of Embodiment 1 of the present invention;

[0028] Figure 6 It is a schematic structural diagram of the transmission roller of the first embodiment of the present invention.

[0029] In the figure: 1: conveying arm; 11: long trough body; 2: transverse movement mechanism; 21: transverse movement frame; 22: transverse movement motor; 23: driving pulley; 24: driven pulley; 25: transverse movement synchronous belt; 26: position sensor; 27: motor output synchronous belt; 28: synchronous pulley; 29: tensioning wheel; 3: conveying arm mounting bracket; 31: slideway; 4: opening and closing mechanism; 41: fixing plate; 42: telescopic actuator; 5: moving unit; 51: L-shaped plate; 52: slider; 6: cargo pallet; 61: pallet support seat; 7: conveyor belt device; 71: transmission roller; 711: guide groove; 72: conveyor belt; 721: guide strip; 73: conveyor belt bracket; 731: receiving groove; 74: driving motor; 8: conveyor belt tightening device; 81: U-shaped frame; 82: adjusting bolt. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] like Figure 1-Figure 3 As shown, an opening and closing type cargo stacking execution device provided by an embodiment of the present invention comprises a transverse movement mechanism 2, a conveyor arm mounting frame 3, an opening and closing mechanism 4 and two conveyor arms 5, wherein the conveyor arm mounting frame 3 is movably mounted on the transverse movement mechanism 2, and the two conveyor arms 1 are movably spaced apart on the conveyor arm mounting frame 3, and the opening and closing mechanism 4 is arranged between the two conveyor arms 1, driving the two conveyor arms 1 to open and close on the conveyor arm mounting frame 3, that is, adjusting the spacing distance between the two conveyor arms 1 so that the cargo falls from between the two conveyor arms 1 to the corresponding position to complete stacking, and the conveyor arm mounting frame 3 drives the two conveyor arms 1 to move transversely along the transverse movement mechanism 2 to realize the row-by-row stacking of the cargo.

[0032] Compared with the prior art, the goods are placed on two conveying arms 1, and the two sides are in contact with the conveying arms 1, and the contact area is relatively small. When unloading, the opening and closing mechanism 4 pushes the two conveying arms 1 to move away from each other at the same time, so that the distance between the two conveying arms 1 increases, and the goods fall from between the two conveying arms 1 to the designated position. In this process, due to the small contact area and the forces in two directions at the same time, the force of the goods is balanced, and there will be no lateral movement (the direction of the conveying arm movement), which has better control over the landing point of the goods, is conducive to keeping the goods neatly stacked, and the bit error rate is low. Moreover, even for goods of different sizes, the interval between the two conveying arms 1 can be adjusted to ensure that the two conveying arms 1 are located near the edges on both sides of the goods. In the process of moving the conveying arms 1, the contact time between the conveying arms 1 and the goods is minimized, so that the goods can be stacked better and faster.

[0033] In a preferred embodiment, the transverse mechanism 2 includes a transverse frame 21, a transverse motor 22, a driving pulley 23, a driven pulley 24 and a transverse synchronous belt 25, wherein the transverse motor 22 is fixed on the transverse frame 21, the driving pulley 23 and the driven pulley 24 are respectively arranged at both ends of the transverse frame 21, and the driving pulley 23 and the driven pulley 24 are connected through the transverse synchronous belt 25, wherein the driving pulley 23 is directly or indirectly connected to the output shaft of the transverse motor 22. That is, the output shaft of the transverse motor 22 can be directly connected to the driving pulley 23, or it can be connected to the driving pulley 23. Figure 4 As shown, according to the structural layout such as the installation position of the transverse motor 22, the transmission is transmitted to the driving pulley 23 through the motor output synchronous belt 27 and the synchronous pulley 28.

[0034] The transverse synchronous belt 25 contacts the conveyor arm mounting frame 3, and transmits the power of the transverse motor 22 to the conveyor arm mounting frame 3 through the transverse synchronous belt 25, so that the conveyor arm mounting frame 3 drives the two conveyor arms 1 installed thereon to move as a whole along the transverse frame 21 to provide power.

[0035] Preferably, if Figure 4 As shown, a tensioning pulley 29 for adjusting the tension of the transverse synchronous belt is also provided between the driving pulley 23 and the driven pulley 23 .

[0036] Preferably, the transverse synchronous belt 25 can be fixed to the conveying arm mounting frame 3 through a pressure plate or other fixed structures to avoid slipping during the transmission process.

[0037] Of course, the conveying arm mounting frame 3 can also be fixed to the transmission chain through chain transmission, and the power of the transverse movement motor 22 can be transmitted to the conveying arm mounting frame 3.

[0038] Preferably, a position sensor 26 , such as a travel switch, is provided on each side of the transverse frame 21 to limit the movement travel of the opening and closing cargo stacking mechanism along the transverse frame 21 .

[0039] In some preferred embodiments, the conveying arm 1 is movably mounted on the conveying arm mounting frame 3 through a moving unit, the moving unit 5 and the conveying arm mounting frame 3 have a matching structure, the opening and closing mechanism 4 includes two telescopic actuators 42 arranged opposite to each other, each telescopic actuator 42 is connected to a conveying arm 1, and the telescopic actuator 42 drives the conveying arm 1 connected thereto to move along the conveying arm mounting frame 3 through telescopic changes.

[0040] Preferably, if Figure 2 As shown, the opening and closing mechanism 4 further includes a fixed plate 41, which is mounted on the conveying arm mounting frame 3, and two telescopic actuators 42 are mounted on the fixed plate 41, and the telescopic ends are connected to the corresponding conveying arms 1. The telescopic actuator 42 can be a telescopic element such as a hydraulic cylinder or an electric cylinder.

[0041] Preferably, if Figure 1 and Figure 2 As shown, the mobile unit 5 includes an L-shaped plate 51 and a slider 52, wherein the slider 52 is fixed on one side of the L-shaped plate 51, and the conveying arm 1 is fixed on the other side of the L-shaped plate 51. The conveying arm mounting frame is provided with a slideway 31 that cooperates with the slider 52, and the mobile unit 5 cooperates with the slideway 31 through the slider 52.

[0042] like Figure 1 and Figure 2As shown, more preferably, each of the front and rear sides of the conveying arm mounting frame 3 is connected to the transverse frame 21 via two movable units 5, and both sides are connected via the above-mentioned movable units 5, which can limit each other and prevent the slider 52 from derailing.

[0043] In order to allow the goods to be dropped and stacked at a designated position on the conveying arm 1, in some preferred embodiments, a conveying device is provided on the conveying arm 1 to provide power for the goods to move on the conveying arm 1. For example, a roller conveying device is provided on the conveying arm 1, specifically, a plurality of rollers are provided at intervals on the conveying arm 1, and the rollers roll to push the goods toward the front end of the conveying arm 1.

[0044] like Figure 1 , Figure 2 , Figure 3 , Figure 5 and Figure 6 As shown, a conveyor belt device 7 may also be provided on the conveyor arm 1 . The main body of the conveyor arm 1 is a long trough body 11 , and the conveyor belt device 7 is provided in cooperation with the long trough body 11 .

[0045] Specifically, a conveyor belt device includes a transmission roller 71, a conveyor belt 72, a conveyor belt bracket 73, and a driving motor 74. The outer periphery of the transmission roller 71 is provided with a guide groove 711, and a plurality of transmission rollers 71 are rotatably arranged in the long slot body 11 at intervals. Specifically, the transmission roller 71 can be rotatably fixed in the long slot body 11 through a rotating shaft. The inner side of the conveyor belt 72 is provided with a guide bar 721 that matches the guide groove 711, and the transmission roller 71 drives the conveyor belt 72 to rotate. The conveyor belt bracket 73 is located between adjacent transmission rollers 71 and is fixed on the long slot body 11 for supporting the conveyor belt 72. The conveyor belt bracket 73 is also provided with a receiving groove 731 that matches the guide bar 721. The driving motor 74 provides power for at least one transmission roller 71, that is, at least one transmission roller 71 is directly or indirectly connected to the output shaft of the driving motor 74 through a transmission device, and the transmission roller 71 is transmitted to other transmission rollers 71 through the conveyor belt 72.

[0046] Preferably, if Figure 5 and Figure 6 As shown, the transmission roller 71 is provided with two guide grooves 711, and the matching conveyor belt 72 is provided with two guide strips 721. The conveyor belt 72 cooperates with the guide grooves 711 through the guide strips 721, which can not only prevent the conveyor belt 72 from moving along the axial direction of the transmission roller 71, but also achieve better transmission and improve transmission efficiency. The two guide strips 721 are both located in the receiving groove 731. When there are goods on the conveying arm 1, the conveyor belt support plate 73 provides sufficient support for the conveyor belt 72, so that the conveyor belt 72 will not be partially transitionally depressed, thereby avoiding adverse effects on the transportation of goods. And the conveying arm 1 has a better effect of conveying and stacking bagged goods through the conveyor belt device 7.

[0047] Furthermore, if Figure 2 and Figure 3 As shown, a cargo pallet 6 is provided on the opening and closing mechanism 4, and the cargo pallet 6 is located between the two conveying arms 1 to prevent the cargo from falling onto the opening and closing mechanism 4 before being conveyed to the designated position. Specifically, a plurality of pallet support seats 61 are provided on the fixed plate between the two conveying arms 1, and the cargo pallet 6 is installed on the pallet support seats 61, and preferably, the installed cargo pallet 6 is lower than the height of the conveyor belt 72 to prevent the cargo from being lifted up during conveyance, thereby affecting the conveyance.

[0048] In a preferred embodiment, a conveyor belt tensioning device 8 is also provided at the front end of the conveyor arm 1, wherein the conveyor belt tensioning device 8 includes a U-shaped frame 81 and an adjusting bolt 82, the open end of the U-shaped frame 81 is clamped on the outer side of the long trough body 11 and is connected to the transmission roller 71 at the front end of the conveyor arm 1. Specifically, it can be sleeved on the rotating shaft of the transmission roller 71, and the adjusting bolt 82 passes through the bottom end of the U-shaped frame 81 and abuts against the front end side wall of the conveyor arm 1. The distance between the transmission roller 71 at the front end of the conveyor arm and the front end side wall of the conveyor arm 1 is adjusted by rotating the adjusting bolt 82 to adjust the tightness of the conveyor belt 72.

[0049] When in use, the opening and closing cargo stacking execution device can be installed on a cargo conveying device, for example, on a conveying device such as a telescopic belt conveyor, and used as a cargo stacking execution device to stack the conveyed cargo.

[0050] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An opening and closing type cargo stacking execution device, characterized in that: It comprises a transverse movement mechanism, a conveying arm mounting frame, an opening and closing mechanism and two conveying arms, wherein the conveying arm mounting frame is movably mounted on the transverse movement mechanism, the two conveying arms are movably arranged on the conveying arm mounting frame at intervals, and the opening and closing mechanism is arranged between the two conveying arms to drive the conveying arms to move along the conveying arm mounting frame, so as to adjust the interval distance between the two conveying arms; The conveying arm is provided with a conveyor belt device to provide power for the goods to move on the conveying arm; The main body of the conveying arm is a long trough body, and the conveying belt device is arranged in cooperation with the long trough body; Wherein, the conveyor belt device comprises: A transmission roller, wherein two guide grooves are arranged on the outer circumference of the transmission roller, and a plurality of the transmission rollers are rotatably arranged in the long slot body at intervals; A conveyor belt, wherein two guide strips respectively matched with the two guide grooves are arranged on the inner side of the conveyor belt, and the transmission roller drives the conveyor belt to rotate; A conveyor belt bracket, the conveyor belt bracket is located between adjacent transmission rollers and fixed on the long trough body, and is used to support the conveyor belt. The conveyor belt bracket is also provided with a receiving groove that cooperates with the guide strip; A drive motor, wherein the drive motor provides power for at least one of the transmission rollers; A cargo pallet is provided on the opening and closing mechanism, and the cargo pallet is located between the two conveying arms. The installed cargo pallet is lower than the height of the conveyor belt; The conveying arm is movably mounted on the conveying arm mounting frame through a moving unit, wherein the moving unit comprises an L-shaped plate and a slider, wherein the slider is fixed on one side of the L-shaped plate, and the conveying arm is fixed on the other side of the L-shaped plate; The conveying arm mounting frame is provided with a slideway matched with the sliding block.

2. The opening and closing type cargo stacking execution device according to claim 1 is characterized in that: The transverse mechanism comprises a transverse frame, a transverse motor, a driving pulley, a driven pulley and a transverse synchronous belt, wherein the transverse motor is fixed on the transverse frame, the driving pulley and the driven pulley are respectively arranged at two ends of the transverse frame, and the driving pulley and the driven pulley are connected through the transverse synchronous belt, wherein the driving pulley is connected to the output shaft of the transverse motor; The transverse synchronous belt contacts the conveying arm mounting bracket to provide power for the conveying arm mounting bracket to move along the transverse frame.

3. The opening and closing type cargo stacking execution device according to claim 2 is characterized in that: A tensioning wheel for adjusting the transverse synchronous belt is also provided between the driving pulley and the driven pulley.

4. The opening and closing type cargo stacking execution device according to claim 1 is characterized in that: The opening and closing mechanism comprises two telescopic execution parts arranged opposite to each other, each of the telescopic execution parts is connected to one of the conveying arms and is used to drive the conveying arm connected thereto to move along the conveying arm mounting frame.

5. The opening and closing type cargo stacking execution device according to claim 4 is characterized in that: The telescopic actuator is a pneumatic cylinder, a hydraulic cylinder or an electric cylinder.

6. The opening and closing type cargo stacking execution device according to claim 1 is characterized in that: A conveyor belt tightening device is also provided at the front end of the conveying arm, and the conveyor belt tightening device includes a U-shaped frame and an adjusting bolt. The open end of the U-shaped frame is clamped on the outer side of the long trough body and connected to the transmission roller at the front end of the conveying arm. The adjusting bolt passes through the bottom end of the U-shaped frame and abuts against the front end side wall of the conveying arm. The distance between the transmission roller at the front end of the conveying arm and the front end side wall of the conveying arm is adjusted by the adjusting bolt to adjust the tightness of the conveyor belt.

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