A pressure maintaining device

By designing a press holder device containing multiple modules, the inefficiency problem caused by manual operation in the prior art is solved, and automated pressure holding is achieved and working efficiency is improved.

CN222710247UActive Publication Date: 2025-04-04JIANGSU DIPU TOP INTELLIGENT EQUIP CO LTD
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Patent Information

Application Number
CN202421366789.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-17
Publication Date
2025-04-04
Estimated Expiration
2034-06-17

AI Technical Summary

Technical Problem

When maintaining pressure, existing products mainly rely on manual operations, resulting in a lot of manpower and time spent and low work efficiency.

Method used

A press holder device is designed, including a frame, conveying module, pressure holder module, handling module, jaw module, barrier module and hoisting module. Through the coordinated work of these modules, an automated pressure holding process is realized.

Benefits of technology

Through the automated pressure holding process, the consumption of manpower and time is significantly reduced, the work efficiency is improved, and the product can be maintained quickly and effectively.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the field of automation equipment technology, specifically to a pressure holding machine device; it includes a frame, a primary motor, a barcode defect flow line, a barcode scanner, a trapezoidal screw, a handle, multiple guide rails, a conveying module, multiple pressure holding modules, a handling module, a gripper module, a blocking module, and a lifting module. The conveying module is located on one side of the frame, the barcode defect flow line is located above the multiple guide rails, the primary motor is connected to the barcode defect flow line, the multiple pressure holding modules are arranged sequentially above the frame, the handling module is connected to the frame, the gripper module is connected to the handling module, the blocking module is connected to the frame, the lifting module is connected to the frame, and the barcode scanner is connected to the lifting module and located above the barcode defect flow line. Through the above structural arrangement, products can be pressure-held quickly and effectively, greatly reducing manpower and time, and achieving high efficiency.
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Description

Technical Field

[0001] The utility model relates to the technical field of automation equipment, in particular to a pressure maintaining machine device. Background Art

[0002] With the rapid development and widespread application of 5G technology, antennas are key components in communication systems, and their performance directly affects the quality of communication. At the same time, in the field of audio equipment, the tuning network is an important component to ensure pure sound quality and reduce noise.

[0003] At present, products of different shapes require different holding pressures. A good holding pressure control method can help reduce product shrinkage and improve the appearance quality of the product.

[0004] However, the existing products generally maintain pressure through manual operation, which requires a lot of manpower and time and has low work efficiency. Utility Model Content

[0005] The utility model aims to provide a pressure maintaining device, aiming to solve the technical problem that the existing products generally require manual operation when maintaining pressure, which consumes a lot of manpower and time and has low work efficiency.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts a pressure-maintaining machine device, including a frame, a No. 1 motor, a poor code scanning streamline, a code scanning machine, a trapezoidal screw, a handle, a plurality of guide rails, a conveying module, a plurality of pressure-maintaining modules, a handling module, a clamping module, a blocking module and a lifting module, wherein the conveying module is arranged on one side of the frame, a plurality of the guide rails are arranged above the frame, the poor code scanning streamline is arranged above the plurality of the guide rails, the No. 1 motor is connected to the poor code scanning streamline, the trapezoidal screw is connected to the poor code scanning streamline, The handle is connected to the trapezoidal screw, a plurality of pressure-maintaining modules are arranged in sequence above the frame, the transport module is connected to the frame and is located above the frame, the clamp module is connected to the transport module, the blocking module is connected to the frame and is located between the frame and the poor code scanning streamline, the lifting module is connected to the frame and is located between the frame and the poor code scanning streamline, and the code scanning machine is connected to the lifting module and is located above the poor code scanning streamline.

[0007] Among them, the conveying module includes a mounting frame, assembly line No. 1, assembly line No. 2, motor No. 2 and motor No. 3, the mounting frame is arranged on one side of the frame, the assembly line No. 1 and the assembly line No. 2 are both connected to the frame and are both located above the frame, the motor No. 2 is connected to the assembly line No. 1 and is located on the assembly line No. 1, and the motor No. 3 is connected to the assembly line No. 2 and is located on the assembly line No. 2.

[0008] Wherein, the pressure maintaining module comprises a column, a pressure maintaining head, two No. 1 linear guides, a No. 1 connecting plate, two No. 2 linear guides, a No. 1 lifting cylinder, a buffer, a No. 2 connecting plate, a counterweight block and a No. 1 limit block, the column is arranged above the frame, the No. 1 lifting cylinder is fixedly connected to the column and is located on the column, the two No. 2 linear guides are both arranged on the outer side wall of the column, the No. 1 connecting plate is movably connected to the two No. 2 linear guides, the No. 2 connecting plate is respectively connected to the No. 1 connecting plate and the output end of the No. 1 lifting cylinder, the two No. 1 linear guides are symmetrically arranged on the outer side wall of the No. 1 connecting plate, the No. 1 limit block is fixedly connected to the No. 1 connecting plate and is located below the two No. 1 linear guides, the pressure maintaining head is connected to the two No. 1 linear guides, the counterweight block is arranged above the pressure maintaining head, and the buffer is arranged on the No. 2 connecting plate.

[0009] Wherein, the handling module includes a bracket, a pushing cylinder, a No. 2 lifting cylinder, a lifting plate, a No. 3 connecting plate, a clamping cylinder, a cylinder clamping claw, a No. 2 limit block, a No. 3 limit block, a No. 4 connecting plate and a transverse sliding plate. The bracket is fixedly connected to the frame and is located above the frame. The No. 3 limit block is arranged on the outer wall of the bracket. The transverse sliding plate is movably connected to the bracket and is located on the outer wall of the bracket. The lifting plate is movably connected to the transverse sliding plate and is located on the outer wall of the transverse sliding plate. The No. 2 limit block is fixedly connected to the lifting plate and is located on the outer wall of the lifting plate. The clamping claw module is connected to the lifting plate, the No. 4 connecting plate is connected to the bracket, the No. 2 lifting cylinder is fixedly connected to the transverse sliding plate, and the lifting plate is connected to the output end of the No. 2 lifting cylinder. The pushing cylinder is arranged on the bracket, and the output end of the pushing cylinder is connected to the transverse sliding plate.

[0010] Among them, the clamp module includes a No. 3 connecting plate, a clamp cylinder and a clamp, the No. 3 connecting plate is connected to the lifting plate and is located on the outer side wall of the lifting plate, the clamp cylinder is fixedly connected to the No. 3 connecting plate and is located below the No. 3 connecting plate, and the clamp is connected to the clamp cylinder.

[0011] Among them, the blocking module includes blocking cylinder No. 1, blocking cylinder No. 2, blocking cylinder No. 3, blocking cylinder No. 4 and blocking cylinder No. 5, the blocking cylinder No. 1 is arranged on the poor code scanning streamline, the blocking cylinder No. 2, blocking cylinder No. 3, blocking cylinder No. 4 and blocking cylinder No. 5 are all connected to the frame and are all located between the frame and the poor code scanning streamline.

[0012] Among them, the jacking module includes jacking cylinder No. 1, jacking cylinder No. 2, jacking cylinder No. 3 and jacking cylinder No. 4, and the jacking cylinder No. 1, jacking cylinder No. 2, jacking cylinder No. 3 and jacking cylinder No. 4 are respectively arranged on the top of the frame, and the barcode scanner is connected to the jacking cylinder No. 1.

[0013] The utility model provides a pressure-maintaining machine device for maintaining pressure on products. First, the conveying module works, and the carrier enters the poor code scanning streamline in the frame through the conveying module. The lifting module lifts up the code scanning machine to scan the carrier, wherein the blocking module is used to intermittently block the carrier, and then the carrier flows to the next workstation, and the transport module and the clamping claw module are used to move the carrier to the corresponding position on the poor code scanning streamline, and then the three groups of pressure-maintaining modules are used to maintain pressure on the product respectively, and the carrier after pressure maintenance flows to the next workstation through the streamline. Through the above method, it is achieved that the product can be pressure-maintained quickly and effectively, which greatly reduces manpower and time and has high efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a schematic diagram of the overall structure of the pressure-maintaining machine device of the utility model.

[0016] Figure 2 It is a structural schematic diagram of the pressure-maintaining mechanism of the pressure-maintaining machine device of the utility model.

[0017] Figure 3 It is a structural schematic diagram of a conveying module of the pressure-maintaining machine device of the utility model.

[0018] Figure 4 It is a structural schematic diagram of a handling module and a clamping claw module of a pressure-maintaining machine device of the utility model.

[0019] 1- No. 1 motor, 2- No. 1 blocking cylinder, 3- guide rail, 4- No. 1 lifting cylinder, 5- No. 2 lifting cylinder, 6- No. 3 lifting cylinder, 7- No. 4 lifting cylinder, 8- No. 2 blocking cylinder, 9- No. 3 blocking cylinder, 10- No. 4 blocking cylinder, 11- No. 5 blocking cylinder, 12- pressure-keeping module, 13- bracket, 14- column, 15- handling module, 16- code scanner, 17- trapezoidal screw, 18- handle, 19- bad code scanning streamline, 20- pressure-keeping head, 21- No. 1 linear guide, 22- No. 1 connecting plate, 23-Linear guide No. 2, 24-Lifting cylinder No. 1, 25-Buffer, 26-Connecting plate No. 2, 27-Counterweight, 28-Limiting block No. 1, 29-Assembly line No. 1, 30-Assembly line No. 2, 31-Motor No. 2, 32-Motor No. 3, 33-Pushing cylinder, 34-Lifting cylinder No. 2, 35-Lifting plate, 36-Connecting plate No. 3, 37-Gripping cylinder, 38-Gripping jaw, 39-Limiting block No. 2, 40-Limiting block No. 3, 41-Connecting plate No. 4, 42-Transverse plate, 43-Frame, 44-Mounting frame. DETAILED DESCRIPTION

[0020] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0021] See also Figure 1 to Figure 4 The utility model provides a pressure-maintaining device, including a frame 43, a No. 1 motor 1, a poor code scanning streamline 19, a code scanning machine 16, a trapezoidal screw 17, a handle 18, a plurality of guide rails 3, a conveying module, a plurality of pressure-maintaining modules 12, a handling module 15, a clamping claw 38 module, a blocking module and a lifting module, wherein the conveying module is arranged on one side of the frame 43, a plurality of the guide rails 3 are arranged above the frame 43, the poor code scanning streamline 19 is arranged above the plurality of the guide rails 3, the No. 1 motor 1 is connected to the poor code scanning streamline 19, and the trapezoidal screw 17 is connected to the poor code scanning streamline 19 The handle 18 is connected to the trapezoidal screw 17, and multiple groups of the pressure maintaining modules 12 are arranged in sequence above the frame 43. The conveying module 15 is connected to the frame 43 and is located above the frame 43. The clamping jaw 38 module is connected to the conveying module 15. The blocking module is connected to the frame 43 and is located between the frame 43 and the poor code scanning streamline 19. The lifting module is connected to the frame 43 and is located between the frame 43 and the poor code scanning streamline 19. The code scanning machine 16 is connected to the lifting module and is located above the poor code scanning streamline 19.

[0022] In this embodiment, to maintain the pressure of the product, first the conveying module works, and the carrier enters the poor code scanning streamline 19 in the frame 43 through the conveying module, and the lifting module lifts up the code scanner 16 to scan the carrier, wherein the blocking module is used to intermittently block the carrier, and then the carrier flows to the next workstation, and the transport module 15 and the clamping claw 38 module are used to move the carrier to the corresponding position on the poor code scanning streamline 19, and then the three groups of pressure maintaining modules 12 are used to maintain the pressure of the product respectively, and the carrier after pressure maintenance flows to the next workstation through the streamline, and through the above method, it is achieved that the product can be pressure maintained quickly and effectively, which greatly reduces manpower and time, and has high efficiency.

[0023] Furthermore, the conveying module includes a mounting frame 44, assembly line No. 1 29, assembly line No. 2 30, motor No. 2 31 and motor No. 32, the mounting frame 44 is arranged on one side of the frame 43, the assembly line No. 1 29 and the assembly line No. 2 30 are both connected to the frame 43 and are both located above the frame 43, the motor No. 2 31 is connected to the assembly line No. 1 29 and is located on the assembly line No. 1 29, and the motor No. 32 is connected to the assembly line No. 2 30 and is located on the assembly line No. 2 30.

[0024] In this embodiment, the product carrier is placed on the No. 1 assembly line 29 and transported on the No. 1 assembly line 29, and the 90-degree rotation of the carrier is achieved through the movement of the No. 2 assembly line 30, wherein the No. 2 motor 31 controls the operation of the No. 1 assembly line 29, and the No. 3 motor 32 controls the operation of the No. 2 assembly line 30.

[0025] Furthermore, the pressure-maintaining module 12 includes a column 14, a pressure-maintaining head 20, two No. 1 linear guides 21, a No. 1 connecting plate 22, two No. 2 linear guides 23, a No. 1 lifting cylinder 24, a buffer 25, a No. 2 connecting plate 26, a counterweight 27 and a No. 1 limit block 28. The column 14 is arranged above the frame 43, the No. 1 lifting cylinder 24 is fixedly connected to the column 14 and is located on the column 14, the two No. 2 linear guides 23 are both arranged on the outer wall of the column 14, the No. 1 connecting plate 22 is connected to the two No. 2 linear guides 23, and the No. 1 lifting cylinder 24 is fixedly connected to the column 14 and is located on the column 14. The linear guide rail 23 is movably connected, the No. 2 connecting plate 26 is respectively connected to the No. 1 connecting plate 22 and the output end of the No. 1 lifting cylinder 24, the two No. 1 linear guide rails 21 are symmetrically arranged on the outer wall of the No. 1 connecting plate 22, the No. 1 limit block 28 is fixedly connected to the No. 1 connecting plate 22 and is located below the two No. 1 linear guide rails 21, the pressure maintaining head 20 is connected to the two No. 1 linear guide rails 21, the counterweight block 27 is arranged above the pressure maintaining head 20, and the buffer 25 is arranged on the No. 2 connecting plate 26.

[0026] In this embodiment, when the product carrier is pressure-maintained, the No. 1 connecting plate 22 is lifted and lowered by the No. 2 connecting plate 26 connected by the No. 1 lifting cylinder 24. At this time, the counterweight block 27 and the pressure-maintaining head 20 on the No. 1 connecting plate 22 will be pressed on the product, and the pressure-maintaining head 20 will be pressed on the product for a period of time. Then, by starting the No. 1 lifting cylinder 24, the lifting cylinder drives the counterweight block 27 and the pressure-maintaining head 20 to reset.

[0027] Furthermore, the transport module 15 includes a bracket 13, a push cylinder 33, a No. 2 lifting cylinder 34, a lifting plate 35, a No. 3 connecting plate 36, a clamping cylinder 38 37, a cylinder clamping jaw 38, a No. 2 limit block 39, a No. 3 limit block 40, a No. 4 connecting plate 41 and a transverse plate 42. The bracket 13 is fixedly connected to the frame 43 and is located above the frame 43. The No. 3 limit block 40 is arranged on the outer side wall of the bracket 13. The transverse plate 42 is movably connected to the bracket 13 and is located on the outer side wall of the bracket 13. The lifting plate 35 is movably connected to the transverse plate 42 and is located on the outer side wall of the transverse plate 42. The No. 2 limit block 39 is fixedly connected to the lifting plate 35 and is located on the outer side wall of the lifting plate 35. The clamping jaw 38 module is connected to the lifting plate 35, the No. 4 connecting plate 41 is connected to the bracket 13, the No. 2 lifting cylinder 34 is fixedly connected to the transverse plate 42, the lifting plate 35 is connected to the output end of the No. 2 lifting cylinder 34, the pushing cylinder 33 is arranged on the bracket 13, and the output end of the pushing cylinder 33 is connected to the transverse plate 42; the clamping jaw 38 module includes a No. 3 connecting plate 36, a clamping jaw 38 cylinder 37 and a clamping jaw 38, the No. 3 connecting plate 36 is connected to the lifting plate 35 and is located on the outer side wall of the lifting plate 35, the clamping jaw 38 cylinder 37 is fixedly connected to the No. 3 connecting plate 36 and is located below the No. 3 connecting plate 36, and the clamping jaw 38 is connected to the clamping jaw 38 cylinder 37.

[0028] In this embodiment, the transport module 15 is controlled by the No. 2 limit block 39 and the No. 3 limit block 40 to control the left and right stroke of the push cylinder 33, and the No. 2 lifting cylinder 34 drives the lifting plate 35 to move up and down. The No. 3 connecting plate 36 is provided with the clamp 38 cylinder 37 and the clamp 38 is fixed on the lifting plate 35. The lifting plate 35 is provided with a buffer 25, which is ejected by the push cylinder 33, the No. 2 lifting cylinder 34 descends, the clamp 38 cylinder 37 works, and the carrier is clamped by the clamp 38, the No. 2 lifting cylinder 34 and the push cylinder 33 retreat in turn, and the No. 2 lifting cylinder 34 descends to place the carrier on the streamline.

[0029] Further, the blocking module includes a blocking cylinder No. 1 2, a blocking cylinder No. 8, a blocking cylinder No. 3, a blocking cylinder No. 9, a blocking cylinder No. 4, 10 and a blocking cylinder No. 5 11, the blocking cylinder No. 1 2 is arranged on the poor code scanning streamline 19, the blocking cylinder No. 2, the blocking cylinder No. 8, the blocking cylinder No. 3, the blocking cylinder No. 9, the blocking cylinder No. 4, 10 and the blocking cylinder No. 5 11 are all connected to the frame 43, and are all located between the frame 43 and the poor code scanning streamline 19; the lifting module includes a lifting cylinder No. 1 4, a lifting cylinder No. 2 5, a lifting cylinder No. 3 6 and a lifting cylinder No. 4 7, the lifting cylinder No. 1 4, the lifting cylinder No. 2 5, the lifting cylinder No. 3 6 and the lifting cylinder No. 4 7 are respectively arranged above the frame 43, and the code scanner 16 is connected to the lifting cylinder No. 1 4.

[0030] In this embodiment, the carrier is located on the streamline on the frame 43, the No. 2 lifting cylinder 5 extends out to block the carrier, the No. 1 lifting cylinder 4 lifts up the barcode scanner 16 to scan the carrier, the No. 1 blocking cylinder 2 extends out to block the carrier, the No. 1 lifting cylinder 4 descends, and the carrier flows to the next workstation, the No. 2 lifting cylinder 5 extends out, the No. 1 blocking cylinder 2 retracts to the No. 1 lifting cylinder 4 to lift the carrier, and the carrier flowing to the next workstation is blocked by the No. 4 blocking cylinder 10, and the carrier is lifted up by the No. 2 lifting cylinder 5, the No. 3 lifting cylinder 6 and the No. 4 lifting cylinder 7 respectively, and the products are pressurized by the three groups of the pressure maintaining modules 12 respectively, and the carrier after pressure maintaining flows to the next workstation through the streamline.

[0031] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A pressure maintaining device, characterized in that: It includes a frame, a No. 1 motor, a poor code scanning streamline, a code scanning machine, a trapezoidal screw, a handle, multiple guide rails, a conveying module, multiple groups of pressure-maintaining modules, a handling module, a clamping claw module, a blocking module and a lifting module. The conveying module is arranged on one side of the frame, and multiple guide rails are arranged above the frame. The poor code scanning streamline is arranged above multiple guide rails. The No. 1 motor is connected to the poor code scanning streamline, the trapezoidal screw is connected to the poor code scanning streamline, the handle is connected to the trapezoidal screw, multiple groups of pressure-maintaining modules are arranged in sequence above the frame, the handling module is connected to the frame and is located above the frame, the clamping claw module is connected to the handling module, the blocking module is connected to the frame and is located between the frame and the poor code scanning streamline, the lifting module is connected to the frame and is located between the frame and the poor code scanning streamline, and the code scanning machine is connected to the lifting module and is located above the poor code scanning streamline.

2. The pressure maintaining device according to claim 1, characterized in that: The conveying module includes a mounting frame, assembly line No. 1, assembly line No. 2, motor No. 2 and motor No.

3. The mounting frame is arranged on one side of the frame. The assembly line No. 1 and the assembly line No. 2 are both connected to the frame and are both located above the frame. The motor No. 2 is connected to the assembly line No. 1 and is located on the assembly line No.

1. The motor No. 3 is connected to the assembly line No. 2 and is located on the assembly line No.

2.

3. The pressure maintaining device according to claim 1, characterized in that: The pressure-maintaining module comprises a column, a pressure-maintaining head, two No. 1 linear guides, a No. 1 connecting plate, two No. 2 linear guides, a No. 1 lifting cylinder, a buffer, a No. 2 connecting plate, a counterweight and a No. 1 limiting block. The column is arranged above the frame, the No. 1 lifting cylinder is fixedly connected to the column and is located on the column, the two No. 2 linear guides are both arranged on the outer side wall of the column, the No. 1 connecting plate is movably connected to the two No. 2 linear guides, the No. 2 connecting plate is respectively connected to the No. 1 connecting plate and the output end of the No. 1 lifting cylinder, the two No. 1 linear guides are symmetrically arranged on the outer side wall of the No. 1 connecting plate, the No. 1 limiting block is fixedly connected to the No. 1 connecting plate and is located below the two No. 1 linear guides, the pressure-maintaining head is connected to the two No. 1 linear guides, the counterweight is arranged above the pressure-maintaining head, and the buffer is arranged on the No. 2 connecting plate.

4. The pressure maintaining device according to claim 1, characterized in that: The carrying module includes a bracket, a pushing cylinder, a No. 2 lifting cylinder, a lifting plate, a No. 3 connecting plate, a clamping cylinder, a cylinder clamping claw, a No. 2 limit block, a No. 3 limit block, a No. 4 connecting plate and a transverse moving plate. The bracket is fixedly connected to the frame and is located above the frame. The No. 3 limit block is arranged on the outer wall of the bracket. The transverse moving plate is movably connected to the bracket and is located on the outer wall of the bracket. The lifting plate is movably connected to the transverse moving plate and is located on the outer wall of the transverse moving plate. The No. 2 limit block is fixedly connected to the lifting plate and is located on the outer wall of the lifting plate. The clamping claw module is connected to the lifting plate, the No. 4 connecting plate is connected to the bracket, the No. 2 lifting cylinder is fixedly connected to the transverse moving plate, and the lifting plate is connected to the output end of the No. 2 lifting cylinder. The pushing cylinder is arranged on the bracket, and the output end of the pushing cylinder is connected to the transverse moving plate.

5. The pressure maintaining device according to claim 4, characterized in that: The clamp module includes a No. 3 connecting plate, a clamp cylinder and a clamp. The No. 3 connecting plate is connected to the lifting plate and is located on the outer side wall of the lifting plate. The clamp cylinder is fixedly connected to the No. 3 connecting plate and is located below the No. 3 connecting plate. The clamp is connected to the clamp cylinder.

6. The pressure maintaining device according to claim 1, characterized in that: The blocking module includes blocking cylinder No. 1, blocking cylinder No. 2, blocking cylinder No. 3, blocking cylinder No. 4 and blocking cylinder No.

5. The blocking cylinder No. 1 is arranged on the poor code scanning streamline, and the blocking cylinder No. 2, blocking cylinder No. 3, blocking cylinder No. 4 and blocking cylinder No. 5 are all connected to the frame and are all located between the frame and the poor code scanning streamline.

7. The pressure maintaining device according to claim 1, characterized in that: The lifting module includes a No. 1 lifting cylinder, a No. 2 lifting cylinder, a No. 3 lifting cylinder and a No. 4 lifting cylinder. The No. 1 lifting cylinder, the No. 2 lifting cylinder, the No. 3 lifting cylinder and the No. 4 lifting cylinder are respectively arranged above the frame, and the barcode scanner is connected to the No. 1 lifting cylinder.