Material frame grabbing device

Abstract

The utility model relates to the field of carrying equipment, in particular to a material frame grabbing device which comprises a hanging bracket, a grabbing assembly, a rotary driving assembly and a sliding cover assembly. The hanging bracket controls the grabbing assembly to move, the rotary driving assembly controls the grabbing assembly to rotate, and the sliding cover assembly is installed on the grabbing assembly. The grabbing assembly comprises a bottom frame, a front fixing module, a rear fixing module, a left fixing module and a right fixing module. The rotating assembly comprises a rotating driving motor, a transmission, a driving gear, a driven gear and a driven fixing seat; the sliding cover assembly comprises a top frame, and a front sliding cover module and a rear sliding cover module which are symmetrically arranged on the top frame. By means of the grabbing assembly, the rotating assembly and the sliding cover assembly, automatic taking and frame pouring of the whole stack of material frames can be achieved, and fruits or materials in the frames can be poured out in a whole-layer mode.

Description

Technical Field

[0001] This utility model relates to the field of material handling equipment, and in particular to a material frame gripping device. Background Technology

[0002] In the fields of fruit and vegetable processing, cold chain storage, and food packaging, whole-stack crates are widely used as standardized storage and transportation carriers. In traditional workflows, the picking, placing, flipping, and transferring of materials in these crates heavily rely on manual operation, presenting the following technical challenges:

[0003] If manual operation is used, a single crate often weighs 200-500 kg. Manual handling requires multiple people and poses safety hazards. Manual crate emptying takes an average of 8-12 minutes per batch, and efficiency is significantly reduced due to worker fatigue. Existing semi-automatic equipment uses a whole-batch tilting method, resulting in a 15%-20% damage rate to fragile materials like fruits and vegetables due to disordered collisions during the tilting process, and easily disrupting the stacking structure, affecting subsequent sorting. Commercially available equipment often uses a fixed clamping structure, making it difficult to accommodate crates of different sizes, requiring frequent tooling adjustments and impacting production line speed. After traditional crate emptying, the residue at the bottom of the crate can reach 3%-5%, requiring secondary manual cleaning, significantly increasing material loss and cleaning costs. Therefore, there is a need to develop a device that can automatically pick up and empty entire batches of crates, removing the fruit or other materials from the crates layer by layer. Utility Model Content

[0004] Therefore, this utility model provides a material frame gripping device to overcome the problems of low production efficiency, poor material integrity, single material frame handling, and residual fruit or materials in the prior art.

[0005] To achieve the above objectives, this utility model provides a material frame gripping device, comprising:

[0006] The hanger includes a top beam and booms installed at both ends of the top beam;

[0007] A gripping component, connected to the bottom end of the boom, is used to grip the stacked material frame assembly. It includes a base frame, a front fixing module and a rear fixing module symmetrically arranged on the base frame and parallel to the top beam, and a left fixing module and a right fixing module symmetrically arranged on the base frame and perpendicular to the top beam. The front fixing module is used to fix the front end face of the material frame assembly, the rear fixing module is used to fix the rear end face of the material frame assembly, the left fixing module is used to fix the left end face of the material frame assembly, and the right fixing module is used to fix the right end face of the material frame assembly.

[0008] A rotary drive assembly is disposed between the bottom end of the boom and the base frame to drive the gripping assembly to rotate along the bottom end of the boom;

[0009] A sliding cover assembly, which is disposed at the top of the material frame group, includes a top frame, a front sliding cover module and a rear sliding cover module symmetrically disposed on the top frame, the front sliding cover module and the rear sliding cover module sliding towards each other to close or open the top surface of the material frame group.

[0010] Furthermore, the rotary drive assembly includes a rotary drive motor, a gearbox, a drive gear, a driven gear, and a driven fixed base;

[0011] The transmission is fixed inside the boom. A drive motor is provided at the power input end of the transmission, and a drive gear is provided at the power output end of the transmission. The drive gear meshes with the driven gear. The driven gear is rotatably mounted at the bottom of the boom. A driven fixed seat is fixedly connected to one side of the driven gear, and the bottom end of the driven fixed seat is fixedly connected to the top of the base frame.

[0012] Furthermore, the front fixing module includes a first fixing unit for clamping the front end face of the material frame assembly and a longitudinal gap fixing unit for supporting the vertical gap of the material frame assembly.

[0013] Furthermore, the first fixing unit includes a crossbar, a crossbar sliding seat, a crossbar slide rail, a crossbar telescopic driver, a crossbar top plate, and a crossbar top bar.

[0014] The crossbar is slidably mounted on the base frame and is parallel to the top beam. The crossbar is provided with a crossbar sliding seat at each end. A crossbar slide rail is provided below each crossbar sliding seat and the crossbar track is perpendicular to the top beam. The output end of the crossbar telescopic driver is connected to the crossbar sliding seat. The crossbar telescopic driver is fixedly mounted on the base frame. A crossbar top plate is provided on the top of the crossbar near the material frame group, and a crossbar top strip is provided on the bottom of the crossbar near the material frame group.

[0015] Furthermore, the longitudinal gap fixing unit includes a longitudinal slide, a longitudinal insert, a longitudinal insert slide rail, a longitudinal insert driver, and a longitudinal insert guide rod;

[0016] One end of the longitudinal insert guide rod is fixed to the bottom end of the top frame. The longitudinal insert driver passes through the longitudinal insert guide rod and is connected to the longitudinal slide block. The longitudinal slide block is slidably mounted on the longitudinal insert slide rail, and the longitudinal insert is mounted on the side of the longitudinal slide block near the material frame assembly.

[0017] Furthermore, the left fixing module includes a second fixing unit, a third fixing unit, a fourth fixing unit for clamping the front end face of the material frame assembly, and a transverse gap fixing unit for supporting the transverse gap of the material frame assembly, wherein the second fixing unit and the fourth fixing unit are axially symmetrical.

[0018] Further, the second fixing unit includes a longitudinal bar, a transverse insert guide rod, a longitudinal bar top plate driver, and a longitudinal bar top plate. The longitudinal bar is fixedly disposed on the upper end surface of the base frame. The tail end of the transverse insert guide rod is connected to the tail end of the longitudinal bar. The head end of the transverse insert guide rod is provided with a longitudinal bar top plate driver, and the top end of the longitudinal bar top plate driver is provided with a longitudinal bar top plate. The transverse gap fixing unit includes a transverse insert, a transverse insert base, a transverse insert slide rail, and a transverse insert driver. The transverse insert slide rail is fixedly disposed on the side of the longitudinal bar away from the transverse insert guide rod. The transverse insert base is slidably disposed on the transverse insert slide rail. The transverse insert is fixedly disposed on the transverse insert base. The transverse insert is fixedly connected to the transverse insert driver, and the transverse insert driver passes through the transverse insert guide rod.

[0019] Furthermore, the third fixing unit includes an intermediate top plate, an intermediate top plate driver, and an intermediate top plate driver base, wherein the bottom end of the intermediate top plate driver base is provided with the upper end surface of the base frame, the top end of the intermediate top plate driver base is connected to the intermediate top plate driver fixing end, and the power output end of the intermediate top plate driver is connected to the side of the intermediate top plate away from the material frame.

[0020] Furthermore, the front sliding cover module includes a baffle, a baffle slide rail, a plurality of baffle sliding seats, and a lateral telescopic driver; the baffle slide rail is fixedly disposed on both sides of the top frame and is perpendicular to the top beam; the baffle sliding seat is slidably disposed on the baffle slide rail and is connected to the baffle; the lateral telescopic driver is connected to any baffle sliding seat and is fixedly connected to the bottom end face of the top frame.

[0021] Furthermore, it also includes several lifting devices, the bottom end of each lifting device being connected to the upper end face of the base frame, and the top end of each lifting device being connected to the lower end face of the top frame.

[0022] Compared with the prior art, the beneficial effects of this utility model are as follows: the horizontal gap fixing unit and the vertical gap fixing unit in the gripping component of this device, as well as the gap between the filling frames, can improve the stability of the material handling frames.

[0023] Furthermore, the rotary drive assembly of this device enables the entire stack of material to rotate 180° horizontally along the boom, eliminating the need for manual dumping. The start and stop of operation are all controlled by the drive, reducing labor intensity and improving dumping efficiency.

[0024] Furthermore, this application can prevent the material inside the material frame from shaking or tipping when the gripping component rotates, ensuring that the material frame rotates smoothly to the designated position, thus solving the problem of damage to fruits and vegetables caused by poor stability of the handling machinery. Attached Figure Description

[0025] Figure 1This is a schematic diagram of the overall structure of the material frame gripping device according to an embodiment of the present invention;

[0026] Figure 2 This is a schematic diagram of the rotary drive assembly structure according to an embodiment of the present invention;

[0027] Figure 3 This is a schematic diagram of the gripping component structure according to an embodiment of the present utility model;

[0028] Figure 4 This is a schematic diagram of the front fixing module structure in an embodiment of the present invention;

[0029] Figure 5 This is a schematic diagram of the left fixed module structure in an embodiment of the present invention;

[0030] Figure 6 This is a schematic diagram of the sliding cover assembly structure according to an embodiment of the present utility model;

[0031] 1. Hanger; 11. Top beam; 12. Boom; 2. Gripping assembly; 20. Base frame; 3. Rotary drive assembly; 4. Sliding cover assembly; 41. Top frame; 42. Front sliding cover module; 43. Rear sliding cover module; 31. Rotary drive motor; 32. Gearbox; 33. Drive gear; 34. Driven gear; 35. Driven fixed seat; 211. First fixed unit; 212. Longitudinal clearance fixed unit; 2111. Crossbar; 2112. Crossbar sliding seat; 2113. Crossbar slide rail; 2114. Crossbar telescopic driver; 2115. Crossbar top plate; 2116. Crossbar top bar; 2121. Longitudinal slide; 2122. Longitudinal... Insert plate; 2123, longitudinal insert plate slide rail; 2124, longitudinal insert plate driver; 2125, longitudinal insert plate guide rod; 231, second fixing unit; 232, third fixing unit; 233, fourth fixing unit; 234, transverse gap fixing unit; 2311, longitudinal bar; 2312, transverse insert plate guide rod; 2313, longitudinal bar top plate driver; 2314, longitudinal bar top plate; 2321, intermediate top plate; 2322, intermediate top plate driver; 2323, intermediate top plate driver base; 421, baffle; 422, baffle slide rail; 423, several baffle sliding seats; 424, transverse telescopic driver; 5, lifting device. Detailed Implementation

[0032] To make the objectives, features, and advantages of this utility model more apparent and understandable, the technical solutions in the embodiments of this utility model are clearly and completely described. Obviously, the embodiments described below are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0033] It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.

[0034] In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0035] In the description of the embodiments of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this utility model based on the specific circumstances.

[0036] Please see Figures 1-6 The above are schematic diagrams of the overall structure of the material frame gripping device according to an embodiment of the present invention; schematic diagrams of the overall structure of the material frame gripping device according to an embodiment of the present invention; schematic diagrams of the structure of the rotary drive assembly according to an embodiment of the present invention; schematic diagrams of the structure of the gripping assembly according to an embodiment of the present invention; schematic diagrams of the structure of the front fixing module according to an embodiment of the present invention; schematic diagrams of the structure of the left fixing module according to an embodiment of the present invention; and schematic diagrams of the structure of the sliding cover assembly according to an embodiment of the present invention.

[0037] An embodiment of this utility model provides a material frame gripping device, comprising:

[0038] The hanger 1 includes a top beam 11 and booms 12 disposed at both ends of the top beam 11;

[0039] The gripping component 2, connected to the bottom end of the boom 12, is used to grip the stacked material frame group. It includes a base frame 20, a front fixing module and a rear fixing module symmetrically arranged on the base frame 20 and parallel to the top beam 11, and a left fixing module and a right fixing module symmetrically arranged on the base frame 20 and perpendicular to the top beam 11. The front fixing module is used to fix the front end face of the material frame group, the rear fixing module is used to fix the rear end face of the material frame group, the left fixing module is used to fix the left end face of the material frame group, and the right fixing module is used to fix the right end face of the material frame group.

[0040] A rotary drive assembly 3 is disposed between the bottom end of the boom 12 and the base frame 20 to drive the gripping assembly 2 to rotate along the bottom end of the boom 12;

[0041] The sliding cover assembly 4 is disposed at the top of the material frame assembly, including a top frame 41, a front sliding cover module 42 and a rear sliding cover module 43 symmetrically disposed on the top frame 41, the front sliding cover module 42 and the rear sliding cover module 43 sliding towards each other to close or open the top surface of the material frame assembly.

[0042] Specifically, the top beam 11 can be installed on a robotic arm or on a crane. The specific installation method is not limited and can be set according to the usage. It only needs to be able to drive the entire device to the target set point.

[0043] Specifically, the rotary drive assembly 3 includes a rotary drive motor 31, a gearbox 32, a drive gear 33, a driven gear 34, and a driven fixed base 35;

[0044] The transmission 32 is fixed inside the boom 12. The power input end of the transmission 32 is equipped with a drive motor, and the power output end of the transmission 32 is equipped with a drive gear 33. The drive gear 33 meshes with the driven gear 34. The driven gear 34 is rotatably mounted at the bottom of the boom 12. The driven fixed seat 35 is fixedly connected to one side of the driven gear 34. The bottom end of the driven fixed seat 35 is fixedly connected to the top end of the base frame 20. Understandably, the rotary drive assembly 3 provides rotational power through the rotary drive motor 31, and transmits the rotational power to the drive gear 33 through the gearbox 32. The drive gear 33 then transmits the rotational power to the driven gear 34. At this time, the driven gear 34 will rotate along the bottom of the boom 12. Since the driven fixed seat 35 is fixedly connected to one side of the driven gear 34, the driven fixed seat 35 will rotate with the rotation of the driven gear 34. At the same time, the driven fixed seat 35 is fixed on the base frame 20. The base frame 20 will then rotate as a whole with the rotation of the driven fixed seat 35, thereby driving the gripping assembly 2 to rotate as a whole, thus dumping the fruit or materials in the material frame assembly.

[0045] Specifically, the front fixing module includes a first fixing unit 211 for clamping the front end face of the material frame assembly and a longitudinal gap fixing unit 212 for supporting the vertical gap of the material frame assembly.

[0046] Specifically, the first fixing unit 211 includes a crossbar 2111, a crossbar 2111 sliding seat, a crossbar 2111 slide rail, a crossbar 2111 telescopic driver, a crossbar 2111 top plate, and a crossbar 2111 top bar.

[0047] The crossbar 2111 is slidably mounted on the base frame 20 and is parallel to the top beam 11. The two ends of the crossbar 2111 are respectively provided with crossbar 2111 sliding seats. The crossbar 2111 slide rail is provided below each crossbar 2111 sliding seat and the crossbar 2111 track is perpendicular to the top beam 11. The output end of the crossbar 2111 telescopic driver is connected to the crossbar 2111 sliding seat. The crossbar 2111 telescopic driver is fixedly mounted on the base frame 20. The top of the crossbar 2111 near the top of the bar surface of the material frame group is provided with a crossbar 2111 top plate, and the bottom of the crossbar 2111 near the bottom of the bar surface of the material frame group is provided with a crossbar 2111 top strip. Understandably, the first fixing unit 211 provides the extension and retraction power through the extension and retraction driver of the crossbar 2111 connected to the sliding seat of the crossbar 2111, and transmits the extension and retraction power through the crossbar 2111 slide rail to the top plate and top bar of the crossbar 2111 connected to the crossbar 2111. At this time, the top plate and top bar of the crossbar 2111 clamp or release the material frame assembly through the extension and retraction power.

[0048] Specifically, the longitudinal gap fixing unit 212 includes a longitudinal slide block 2121, a longitudinal insert 2122, a longitudinal insert 2122 slide rail, a longitudinal insert 2122 driver, and a longitudinal insert 2122 guide rod.

[0049] One end of the guide rod of the longitudinal insert 2122 is fixed to the bottom end of the top frame 41. The driver of the longitudinal insert 2122 passes through the guide rod and is connected to the longitudinal slide 2121. The longitudinal slide 2121 is slidably mounted on the slide rail of the longitudinal insert 2122, and the longitudinal insert 2122 is located on the side of the longitudinal slide 2121 near the material frame assembly. It can be understood that the longitudinal gap fixing unit 212 provides extension and retraction power through the driver of the longitudinal insert 2122 connected to the longitudinal slide 2121, and transmits this power to the longitudinal insert 2122 through the slide rail of the longitudinal insert 2122 on the guide rod. At this time, the longitudinal insert 2122 fills and fixes the gap in the material frame assembly through the extension and retraction power.

[0050] Specifically, the left fixing module includes a second fixing unit 231, a third fixing unit 232, a fourth fixing unit 233 for clamping the front end face of the material frame assembly, and a transverse gap fixing unit 234 for supporting the transverse gap of the material frame assembly, wherein the second fixing unit 231 and the fourth fixing unit 233 are axially symmetrical.

[0051] Specifically, the second fixing unit 231 includes a longitudinal bar 2311, a transverse insert guide rod 2312, a top plate driver for the longitudinal bar 2311, and a top plate for the longitudinal bar 2311. The longitudinal bar 2311 is fixedly mounted on the upper surface of the base frame 20. The tail end of the transverse insert guide rod 2312 is connected to the tail end of the longitudinal bar 2311. The top end of the transverse insert guide rod 2312 is provided with the top plate driver for the longitudinal bar 2311, and the top end of the top plate driver for the longitudinal bar 2311 is provided with the longitudinal bar 2311. Top plate; the transverse gap fixing unit 234 includes a transverse insert, a transverse insert base, a transverse insert slide rail and a transverse insert driver, wherein the transverse insert slide rail is fixedly disposed on the side of the longitudinal bar 2311 away from the transverse insert guide rod 2312, the transverse insert base is slidably disposed on the transverse insert slide rail, the transverse insert is fixed on the transverse insert base, the transverse insert is fixedly connected to the transverse insert driver, and the transverse insert driver passes through the transverse insert guide rod 2312.

[0052] Specifically, the third fixing unit 232 includes a middle top plate 2321, a middle top plate 2321 driver, and a middle top plate 2321 driver base. The bottom end of the middle top plate 2321 driver base is connected to the upper surface of the base frame 20. The top end of the middle top plate 2321 driver base is connected to the fixing end of the middle top plate 2321 driver. The power output end of the middle top plate 2321 driver is connected to the side of the middle top plate 2321 away from the material frame. It can be understood that the middle top plate 2321 driver in the third fixing unit 232 is fixed to the base frame 20 via the middle top plate 2321 driver base and provides extension and retraction power. This extension and retraction power is transmitted to the middle top plate 2321, at which time the middle top plate 2321 clamps or releases the material frame assembly through the extension and retraction power.

[0053] Specifically, the front sliding cover module 42 includes a baffle 421, a baffle 421 slide rail, several baffle 421 sliding seats, and a transverse telescopic actuator 424. The baffle 421 slide rail is fixedly installed on both sides of the top frame 41 and is perpendicular to the top beam 11. The baffle 421 sliding seats are slidably installed on the baffle 421 slide rail and are connected to the baffle 421. The transverse telescopic actuator 424 is connected to any baffle 421 sliding seat and is fixedly connected to the bottom end face of the top frame 41. It can be understood that the front sliding cover module provides the power for extension and retraction through the transverse telescopic actuator 424, and transmits this power to the baffle 421 through the baffle 421 sliding seats, thereby causing the baffles 421 to slide in opposite directions, thus allowing the material in the material frame group to be poured out.

[0054] Specifically, it also includes several lifting devices 5, the bottom end of each lifting device 5 being connected to the upper end face of the base frame 20, and the top end of each lifting device 5 being connected to the lower end face of the top frame 41. It can be understood that the lifting devices 5 provide the power for extension and retraction, and transmit this power to the base frame 20 and the top frame 41, thereby controlling the distance between the base frame 20 and the top frame 41, achieving the fixation of material frames at different heights, and solving the problem of single-mode material handling.

[0055] For those skilled in the art, based on the ideas of the embodiments of this utility model, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A magazine gripping device, characterized in that, The utility model relates to a kind of material frame group stacking machine, including: a crane, including roof beam and the crane arm being arranged at the both ends of roof beam; A grabbing assembly is connected to the bottom end of the crane arm to grab the completed stack of material frame groups, which includes a chassis, front and rear fixed modules symmetrically arranged on the chassis and parallel to the roof beam, left and right fixed modules symmetrically arranged on the chassis and perpendicular to the roof beam;The front fixed module is used to fix the front end face of the material frame group, the rear fixed module is used to fix the rear end face of the material frame group, the left fixed module is used to fix the left end face of the material frame group, and the right fixed module is used to fix the right end face of the material frame group; A rotary drive assembly is arranged between the bottom end of the crane arm and the chassis to drive the grabbing assembly to rotate along the bottom end of the crane arm; A sliding cover assembly is arranged at the top end of the material frame group, including a top frame, front and rear sliding cover modules symmetrically arranged on the top frame, and the front and rear sliding cover modules slide towards each other to close or open the top face of the material frame group.

2. The pallet grab device of claim 1, wherein, The rotary drive assembly includes a rotary drive motor, a transmission, a driving gear, a driven gear and a driven fixed seat. The transmission is fixed inside the crane arm, the power input end of the transmission is provided with a driving motor, the power output end of the transmission is provided with a driving gear, the driving gear is engaged with the driven gear, the driven gear is rotatably arranged at the bottom of the crane arm, and the driven fixed seat is fixedly connected to one side of the driven gear.

3. The pallet grab device of claim 1, wherein, The front fixed module includes a first fixed unit for clamping the front end face of the material frame group and a longitudinal gap fixed unit for supporting the vertical gap of the material frame group.

4. The pallet grab device of claim 3, wherein, The first fixed unit includes a crossbar, a crossbar sliding seat, a crossbar sliding rail, a crossbar telescopic drive, a crossbar top plate and a crossbar top strip. The crossbar is slidably arranged on the chassis and parallel to the roof beam, and the both ends of the crossbar are respectively provided with the crossbar sliding seat, the crossbar sliding rail is arranged below each crossbar sliding seat and perpendicular to the roof beam, the output end of the crossbar telescopic drive is connected to the crossbar sliding seat, the crossbar telescopic drive is fixedly arranged on the chassis, the crossbar top plate is arranged on the top of the crossbar surface close to the material frame group, and the crossbar top strip is arranged on the bottom of the crossbar surface close to the material frame group.

5. The pallet gripping device of claim 3, wherein, The longitudinal gap fixed unit includes a longitudinal sliding seat, a longitudinal insert, a longitudinal insert sliding rail, a longitudinal insert drive and a longitudinal insert guide rod. One end of the longitudinal insert guide rod is fixed to the bottom end of the top frame, the longitudinal insert drive penetrates the longitudinal insert guide rod, the longitudinal insert drive is connected to the longitudinal sliding seat, the longitudinal sliding seat is slidably arranged on the longitudinal insert sliding rail, and the longitudinal insert is arranged on the side of the longitudinal sliding seat close to the material frame group.

6. The pallet grab device of claim 1, wherein, The left fixed module includes a second fixed unit, a third fixed unit, a fourth fixed unit for clamping the front end face of the material frame group and a horizontal gap fixed unit for supporting the horizontal gap of the material frame group, wherein the second fixed unit and the fourth fixed unit are axisymmetric.

7. The pallet gripping device of claim 6, wherein, The second fixing unit comprises a longitudinal rod, a transverse insertion piece guide rod, a longitudinal rod top plate driver and a longitudinal rod top plate, wherein the longitudinal rod is fixedly arranged at the upper end surface of the base frame, the tail end of the transverse insertion piece guide rod is connected with the tail end of the longitudinal rod, the head end of the transverse insertion piece guide rod is provided with the longitudinal rod top plate driver, and the top end of the longitudinal rod top plate driver is provided with the longitudinal rod top plate; the transverse gap fixing unit comprises a transverse insertion piece, a transverse insertion piece base, a transverse insertion piece slide rail and a transverse insertion piece driver, wherein the transverse insertion piece slide rail is fixedly arranged on the side of the longitudinal rod away from the transverse insertion piece guide rod, the transverse insertion piece base is slidably arranged on the transverse insertion piece slide rail, the transverse insertion piece is fixed on the transverse insertion piece base, the transverse insertion piece is fixedly connected with the transverse insertion piece driver, and the transverse insertion piece driver penetrates through the transverse insertion piece guide rod.

8. The pallet grab device of claim 6, wherein, The third fixing unit comprises an intermediate top plate, an intermediate top plate driver and an intermediate top plate driver base, wherein the bottom end of the intermediate top plate driver base is provided with the upper end surface of the base frame, the top end of the intermediate top plate driver base is connected with the fixed end of the intermediate top plate driver, and the power output end of the intermediate top plate driver is connected with the side of the intermediate top plate away from the material frame.

9. The pallet grab device of claim 1, wherein, The front sliding cover module comprises a baffle, a baffle slide rail, a plurality of baffle sliding seats and a transverse telescopic driver; the baffle slide rail is fixedly arranged at the two side surfaces of the top frame and is perpendicular to the top beam, the baffle sliding seat is slidably arranged on the baffle slide rail, the baffle sliding seat is connected with the baffle, the transverse telescopic driver is connected with any baffle sliding seat, and the transverse telescopic driver is fixedly connected with the bottom end surface of the top frame.

10. The pallet grab device of claim 1, wherein, A plurality of jacks are further arranged, the bottom end of each jack is connected with the upper end surface of the base frame, and the top end of each jack is connected with the lower end surface of the top frame.

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