Plate size self-adaptive clamping plate workbench

Abstract

The utility model discloses a self-adaptive plate size clamping plate workbench, which relates to the technical field of printing ink jet and comprises a mounting bottom plate, a left self-adaptive edge pressing module and a right self-adaptive edge pressing module are symmetrically mounted on the mounting bottom plate, and two groups of front end fixing edge pressing modules are arranged on one side between the left self-adaptive edge pressing module and the right self-adaptive edge pressing module. A front-end self-adaptive edge pressing module is arranged between the two groups of front-end fixed edge pressing modules, and a rear-end self-adaptive edge pressing module is also arranged on the mounting bottom plate; the left and right side self-adaptive edge pressing module, the front end fixing edge pressing module, the front end self-adaptive edge pressing module and the rear end self-adaptive edge pressing module are all provided with edge pressing pieces, and a set of board beating, positioning and clamping mechanism for the left and right side edges of the PCB is formed. The self-adaptive triggering and stopping edge clamping mechanism is adopted, so that the edge clamping mechanism can automatically adapt to plates with different appearance sizes, the size of the plates does not need to be preset, and the error-tolerant rate of the equipment is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of printing inkjet, in particular to an adaptive plate size clamping table. Background Art

[0002] In the technical field of printing inkjet, a workbench is a common device, mainly used for fixing and positioning the plate to be processed for precise processing operations. The side clamping module is the main structure in the workbench and plays a key role.

[0003] Solutions of the prior art: There are mainly two forms of the existing workbench side clamps. One is to move the distance according to the set size. This method requires pre-entering the size of the plate, and then driving the clamping plate assembly by a motor for clamping. The other is the clamping form triggered by a sensor. This method detects the position of the plate through an optical fiber sensor, and then drives the clamping plate assembly by a motor for clamping.

[0004] Problems of the prior art: There are some problems with the existing clamping plate assemblies. First, the method of clamping according to the set size has high requirements for the accuracy of the motor, and the size of the plate needs to be entered in advance, and there is a risk of incorrect input of the size by manual operation. Second, in the clamping form triggered by a sensor, the optical fiber sensor is easily interfered by external factors, resulting in false triggering or inaccurate position, which not only affects the clamping accuracy, but also may damage the plate. Therefore, the existing workbench clamping plate device cannot meet the requirements of high efficiency and low cost at the same time. Summary of the Utility Model

[0005] The purpose of the utility model is to provide an adaptive plate size clamping table to solve the following technical problems:

[0006] 1. Realize the adaptive clamping of plates with different sizes without presetting the plate size, reduce the equipment cost and improve the use efficiency;

[0007] 2. Avoid the interference of the optical fiber sensor by external factors, improve the clamping accuracy and stability, and avoid damaging the plate;

[0008] While ensuring the clamping accuracy and stability, simplify the operation process and improve the production efficiency and other technical problems.

[0009] The purpose of the utility model can be realized by the following technical solutions:

[0010] An adaptive plate size clamping table includes a mounting base plate, on which left and right side adaptive edge pressing modules are symmetrically mounted. On one side between the two left and right side adaptive edge pressing modules, two groups of front-end fixed edge pressing modules are arranged. Between the two groups of front-end fixed edge pressing modules, a front-end adaptive edge pressing module is arranged. A rear-end adaptive edge pressing module is also arranged on the mounting base plate;

[0011] Edge pressing sheets are installed on the left and right side adaptive edge pressing modules, the front fixed edge pressing module, the front adaptive edge pressing module and the rear adaptive edge pressing module, and a set of positioning and clamping mechanism for PCB board edge clapping on both sides is formed.

[0012] Four adaptive edge pressing modules are designed and adopted, including a left side adaptive edge pressing module, a right side adaptive edge pressing module, a front adaptive edge pressing module and a rear adaptive edge pressing module. These modules can be adaptively adjusted according to the actual size of the plate, so as to realize the adaptive clamping of plates with different sizes, reduce the equipment cost and improve the use efficiency.

[0013] The cooperative working mechanism of the four edge pressing modules is adopted. That is, when the no-board detection sensor on the workbench detects that the PCB board is placed on the workbench in the upstream process, the four edge pressing modules will act simultaneously to clamp the plate from the four directions of front, back, left and right, improving the clamping accuracy and stability.

[0014] An adaptive trigger stop edge clamping mechanism is adopted. That is, when the adaptive sensors on the left and right side modules are triggered, it indicates that the edge pressing has moved in place and immediately stops moving. When the adaptive sensors on the front and rear modules are triggered, it indicates that the rear edge pressing has moved in place and immediately stops moving. When all the edge pressings are in place, the left and right and rear edge pressing modules retreat 1 mm simultaneously to ensure that the PCB board is in a free state and not deformed by the edge pressing module, and then they are uniformly driven down by the cylinder to complete the clamping action.

[0015] An automatic reset mechanism is adopted. That is, when the equipment completes the printing work, the four-sided edge clamps retreat a certain safe distance simultaneously, which is convenient for unloading the board and improves the production efficiency.

[0016] As a further solution of the present utility model: Connecting columns are installed around the top of the mounting base plate, and a workbench is installed on the connecting columns.

[0017] As a further solution of the present utility model: The rear adaptive edge pressing module includes a power module, an adaptive module is slidably connected to the power module, and an edge clamping module is fixedly installed on the adaptive module; An edge pressing sheet 1 is installed on the top of the edge clamping module, edge pressing round sheets are symmetrically installed on both sides of the edge clamping module, and a drag chain is also arranged on the edge clamping module.

[0018] As a further solution of the present utility model: The power module includes a motor and a driven wheel fixing seat; The motor is connected to a reducer and then integrally installed on the motor fixing plate, a synchronous belt wheel is also installed on the reducer, a synchronous belt wheel is also installed on the driven wheel fixing seat, and the two synchronous belt wheels are connected by a synchronous belt.

[0019] As a further solution of the present utility model: The side clamping module includes a cylinder fixing plate, which is an installation base plate. A side clamping wall plate is fixedly installed on the cylinder fixing plate. A side clamping slide plate is slidably connected to the side clamping wall plate. A plurality of first side pressing fixing seats are equidistantly arranged on the side clamping slide plate;

[0020] A first clamping cylinder is installed on the cylinder fixing plate. A cylinder connecting plate is movably connected to the piston rod of the first clamping cylinder. The cylinder connecting plate is horizontally arranged and is connected to the side clamping slide plate;

[0021] Two side clamping connecting plates are installed on both sides of the cylinder fixing plate. The two side clamping connecting plates are connected to two other side clamping connecting plates. A first side clamping connecting plate is installed on the two other side clamping connecting plates. A side clamping cylinder two mounting plate is installed on the first side clamping connecting plate. A side clamping cylinder two is fixedly installed on the side clamping cylinder two mounting plate. A second side pressing fixing seat is fixedly installed on the piston rod of the side clamping cylinder two.

[0022] As a further solution of the present utility model: The adaptation module includes an adaptive guide rail, a positioning column, a precision contact sensor, an adaptive module installation base plate, an adaptive limit baffle, a synchronous belt clamping block, and a sensor installation vertical plate; The adaptive guide rail, the adaptive limit baffle, and the synchronous belt clamping block are installed on the adaptive module installation base plate; The positioning column and the precision contact sensor are installed on the sensor installation vertical plate and then the whole is installed on the adaptive module installation base plate.

[0023] The beneficial effects of the present utility model are:

[0024] 1. The equipment has a large fault tolerance rate: The present utility model adopts an adaptive trigger stop side clamping mechanism, which can automatically adapt to plates with different external dimensions without presetting the plate size, greatly improving the fault tolerance rate of the equipment.

[0025] 2. The equipment cost is low: Due to the adoption of an adaptive clamping module, the clamping action can be completed without a high-precision motor.

[0026] 3. The equipment has low energy consumption: The left and right side clamping modules adopt the same motor and are connected by a synchronous belt, reducing the number of motors and the energy consumption of the equipment.

[0027] 4. The operation is simple: The operation process of the present utility model is simple. Just place the plate on the workbench surface, and the equipment can automatically perform clamping and unclamping of the plate, improving the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The following further illustrates the present utility model with reference to the drawings.

[0029] Figure 1 It is a schematic structural diagram of the whole of the present utility model;

[0030] Figure 2 is a schematic diagram of the surface mounting structure of the mounting base plate of the present utility model;

[0031] Figure 3 is a schematic top view structure diagram of the mounting base plate of the present utility model;

[0032] Figure 4 is a schematic diagram of the overall structure from the first perspective of the present utility model;

[0033] Figure 5 is a schematic diagram of the overall structure from the second perspective of the present utility model;

[0034] Figure 6 is a schematic diagram of the power module amplification structure;

[0035] Figure 7 is a schematic diagram of the adaptive module amplification structure;

[0036] Figure 8 is a schematic diagram of the side clamp module amplification structure.

[0037] In the figure: 01, workbench surface; 02, plate presence / absence detection sensor; 03, side pressing piece; 04, left and right side adaptive side pressing modules; 05, rear end adaptive side pressing module; 06, front end fixed side pressing module; 07, front end adaptive side pressing module; 08, positive limit sensors for left and right side pressing modules; 09, negative limit sensors for left and right side adaptive side pressing modules; 10, negative limit sensor for rear end adaptive side pressing module; 11, positive limit sensor for rear end adaptive side pressing module; 14, mounting base plate; 1, power module; 2, drag chain; 3, side clamp module; 4, precise contact sensor; 5, side pressing piece one; 6, side pressing round piece; 1-1, motor; 1-2, reducer; 1-3, synchronous belt pulley; 1-4, motor fixing plate; 1-5, synchronous belt; 1-6, driven wheel fixing seat; 3-1, side clamp cylinder one; 3-2, side clamp cylinder two; 3-3, side pressing fixing seat two; 3-4, cylinder connecting plate; 3-5, side clamp wall plate; 3-6, side clamp slide plate; 3-7, side clamp guide rail; 3-8, side pressing fixing seat one; 3-9, two side clamp connecting plates one; 3-10, cylinder fixing plate; 3-11, two side clamp connecting plates two; 3-12, side clamp cylinder two mounting plate; 3-13, two side clamp connecting plates three; 4-1, adaptive guide rail; 4-2, positioning column; 4-3, precise contact sensor, 4-4, adaptive module mounting base plate; 4-5, adaptive limit baffle; 4-6, synchronous belt clip block; 4-7, sensor mounting vertical plate. Detailed implementation manners

[0038] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0039] Please refer to Figure 1-8 As shown, the present utility model is an adaptive board size clamping workbench, including a mounting base plate 14. On the mounting base plate 14, left and right side adaptive edge pressing modules 04 are symmetrically installed. On one side between the two left and right side adaptive edge pressing modules 04, two groups of front-end fixed edge pressing modules 06 are provided. Between the two groups of front-end fixed edge pressing modules 06, a front-end adaptive edge pressing module 07 is provided. A rear-end adaptive edge pressing module 05 is also provided on the mounting base plate 14.

[0040] Edge pressing sheets 03 are installed on the left and right side adaptive edge pressing modules 04, front-end fixed edge pressing modules 06, front-end adaptive edge pressing modules 07, and rear-end adaptive edge pressing modules 05. The above modules are all slidably connected to the mounting base plate 14 and form a set of mechanism for positioning and clamping the left and right sides of the PCB board by edge pressing.

[0041] Connecting columns 15 are installed around the top of the mounting base plate 14. A workbench surface 01 is installed on the connecting columns 15. A board presence / absence detection sensor 02 (please refer to the attached Figure 1 figure) is embedded in the workbench surface 01. A vacuum suction cup is also installed on the workbench surface 01 for adsorbing the board. The edge pressing modules are inside the workbench surface 01 and can slide on the workbench surface 01. A chute is opened on the workbench surface 01, and the edge pressing sheet 03 is arranged on the workbench surface 01 for clamping.

[0042] The left and right side adaptive edge pressing modules 04, front-end fixed edge pressing modules 06, and front-end adaptive edge pressing modules 07 all include adjustment mechanisms (the specific structure is as Figure 8As shown in the figure, the adjusting mechanism is driven by a cylinder head or a motor to move horizontally. The adjusting mechanism includes a cylinder fixing plate 3-1. The cylinder fixing plate 3-10 is an installation base plate. A side clamping wall plate 3-5 is fixedly installed on the cylinder fixing plate 3-10. A side clamping slide plate 3-6 is slidably connected to the side clamping wall plate 3-5. A plurality of first side pressing fixing seats 3-8 are equidistantly arranged on the side clamping slide plate 3-6. A first clamping cylinder 3-1 is installed on the cylinder fixing plate 3-10. A cylinder connecting plate 3-4 is movably connected to the piston rod of the first clamping cylinder 3-1. The cylinder connecting plate 3-4 is horizontally arranged and is connected to the side clamping slide plate 3-6. The difference between the adjusting machine of this application and the side clamping module 3 is that the adjusting mechanism does not include the part of the two side clamping connecting plates 3-9 on both sides, and the rest of the structures are the same, and only the length needs to be adjusted adaptively.

[0043] On the workbench surface 01, there are positive limit sensors 08 for the left and right side pressing modules, negative limit sensors 09 for the left and right adaptive side pressing modules, negative limit sensor 10 for the rear adaptive side pressing module, and positive limit sensor 11 for the rear adaptive side pressing module, and their models are all K021-2C.

[0044] First of all, the self-adaptive plate size clamping workbench of the present invention can automatically adapt to plates of different sizes, greatly improving the use efficiency and flexibility of the equipment, and meeting the requirements of the mechanical manufacturing field for high-efficiency and flexible production equipment.

[0045] Secondly, the sheet metal processing field has extremely high requirements for the fixing and positioning of sheets. The workbench clamp of the present invention can accurately fix the sheets, ensuring the processing accuracy, and meeting the requirements of the sheet metal processing field for high-precision and high-efficiency equipment.

[0046] Finally, the demand for self-adaptive equipment in the self-adaptive control system field is also increasing. The workbench clamp of the present invention adopts a self-adaptive trigger stop side clamping mechanism, realizing the intelligence and automation of the equipment, and meeting the requirements of the self-adaptive control system field for high-precision, high-efficiency, and low-cost equipment. Therefore, the present invention has broad market demand and good application prospects.

[0047] In this embodiment, refer to Figure 4 and Figure 5 As shown: The rear adaptive side pressing module 05 includes a power module 1. An adaptive module 4 is slidably connected to the power module 1. A side clamping module 3 is fixedly installed on the adaptive module 4. A first side pressing piece 5 is installed on the top of the side clamping module 3. Two side pressing round pieces 6 are symmetrically installed on both sides of the side clamping module 3. A drag chain 2 is also arranged on the side clamping module 3.

[0048] Refer to Figure 6As shown in the figure: The power module 1 includes a motor 1-1 and a driven wheel fixing seat 1-6; the motor 1-1 is connected to a speed reducer 1-2 and then the whole is installed on a motor fixing plate 1-4. A synchronous pulley 1-3 is also installed on the speed reducer 1-2, and a synchronous pulley 1-3 is also installed on the driven wheel fixing seat 1-6. The two synchronous pulleys 1-3 are connected by a synchronous belt 1-5.

[0049] Refer to Figure 8 As shown in the figure: The side clamping module 3 includes a cylinder fixing plate 3-10. The cylinder fixing plate 3-10 is an installation base plate. A side clamping wall plate 3-5 is fixedly installed on the cylinder fixing plate 3-10. A side clamping slide plate 3-6 is slidably connected to the side clamping wall plate 3-5. A plurality of side pressing fixing seats one 3-8 are equidistantly arranged on the side clamping slide plate 3-6.

[0050] A clamping cylinder one 3-1 is installed on the cylinder fixing plate 3-10. A cylinder connecting plate 3-4 is movably connected to the piston rod of the clamping cylinder one 3-1. The cylinder connecting plate 3-4 is horizontally arranged, and the cylinder connecting plate 3-4 is connected to the side clamping slide plate 3-6.

[0051] Both sides of the cylinder fixing plate 3-10 are installed with two-side clamping connecting plates two 3-11. The two-side clamping connecting plates two 3-11 are connected to the two-side clamping connecting plates three 3-13. Two-side clamping connecting plates one 3-9 are installed on the two-side clamping connecting plates three 3-13. A side clamping cylinder two mounting plate 3-12 is installed on the two-side clamping connecting plates one 3-9. A side clamping cylinder two 3-2 is fixedly installed on the side clamping cylinder two mounting plate 3-12. A side pressing fixing seat two 3-3 is fixedly installed on the piston rod of the side clamping cylinder two 3-2.

[0052] The adaptation module 4 includes an adaptive guide rail 4-1, a positioning column 4-2, a precision contact sensor 4-3, an adaptive module mounting base plate 4-4, an adaptive limit baffle 4-5, a synchronous belt clamp 4-6, and a sensor mounting vertical plate 4-7; the adaptive module mounting base plate 4-4 is installed with an adaptive guide rail 4-1, an adaptive limit baffle 4-5, and a synchronous belt clamp 4-6. The synchronous belt clamp 4-6 is connected to the synchronous belt 1-5. The side clamping wall plate 3-5 is installed on the adaptive guide rail 4-1, and the side clamping wall plate 3-5 is connected to the positioning column 4-2. There is a spring inside the positioning column 4-2. Due to the telescopic movement of the spring, there is an elastic telescopic amount on the positioning column 4-2. Therefore, the PCB board is still in a natural state during the clamping state and will not produce warping or arching. The positioning column 4-2 and the precision contact sensor 4-3 (model MT-M008SLC precision contact sensor) are installed on the sensor mounting vertical plate 4-7 and then the whole is installed on the adaptive module mounting base plate 4-4.

[0053] The specific working steps of the rear-end adaptive edge pressing module 05 are as follows:

[0054] Start the motor 1-1 of the edge clamping module. After the motor 1-1 is decelerated by the speed reducer 1-2, it drives the synchronous pulley 1-3 to rotate. The synchronous pulley 1-3 then drives the synchronous belt 1-5 to move. The synchronous belt 1-5 is connected to the adaptive module 4, thereby driving its movement;

[0055] During the translation process of the adaptive module 4, it contacts the edge pressing module 3 through the positioning post 4-2, and transmits the translation force to the edge pressing module 3. The positioning post 4-2 has an elastic expansion amount. When the edge clamping module 3 contacts the PCB board, it will continue to move and overcome the elastic expansion amount inside the positioning post 4-2, thereby triggering the precision contact sensor 4-3, and the motor 1-1 of the edge clamping module stops power output;

[0056] Then start the clamping cylinder 3-1 and the edge clamping cylinder 3-2 to drive the edge pressing disc 6 and the first edge pressing piece 5 to descend, and press and clamp the plate.

[0057] The working principle of the present utility model:

[0058] Step 1: The workbench surface is in place, and the edge clamp is in the reset state.

[0059] Step 2: When the board presence / absence detection sensor on the workbench surface senses that a PCB board is placed on the workbench surface.

[0060] Step 3: There are four edge pressing modules around the workbench surface, including the left and right side adaptive edge pressing modules, the front-end adaptive edge pressing module, and the rear-end adaptive edge pressing module. The front-end adaptive edge pressing module is controlled by a cylinder, and the other three edge pressing modules are all driven by motors, and can be adaptively adjusted according to the actual size of the plate.

[0061] Step 4: After the board presence / absence detection sensor detects that the upstream process has placed the PCB board on the workbench surface, the four edge pressing modules will act simultaneously to clamp the plate from the front, back, left, and right directions.

[0062] Step 5: When the adaptive sensors on the left and right side modules are triggered, it indicates that the edge pressing has moved in place, and the movement stops immediately. When the adaptive sensors on the front and rear modules are triggered, it indicates that the rear-end edge pressing has moved in place, and the movement stops immediately.

[0063] Step 6: When all the edge pressings are in place, the left, right, and rear-end edge pressing modules retreat 1 mm simultaneously to ensure that the PCB board is in a free state and not deformed by the edge pressing modules. After the vacuum adsorption on the workbench surface is turned on, the edge pressing modules are uniformly driven to descend to complete the clamping action.

[0064] Step 7: When the equipment completes the printing work, the four-sided edge clamps retreat a certain safe distance simultaneously, and the vacuum adsorption is turned off to facilitate unloading the board.

[0065] The above has described in detail an embodiment of the present utility model, but the content described above is only a preferred embodiment of the present utility model and cannot be considered as defining the scope of implementation of the present utility model. All equivalent changes and improvements made according to the scope of application of the present utility model shall still fall within the scope covered by the patent of the present utility model.

Claims

1. An adaptive plate size clamping plate workbench, characterized in that, It includes an installation base plate (14), on which left and right side adaptive edge pressing modules (04) are symmetrically installed. On one side between the two left and right side adaptive edge pressing modules (04), two groups of front-end fixed edge pressing modules (06) are provided. Between the two groups of front-end fixed edge pressing modules (06), a front-end adaptive edge pressing module (07) is provided. A rear-end adaptive edge pressing module (05) is also provided on the installation base plate (14). Edge pressing sheets (03) are installed on the left and right side adaptive edge pressing modules (04), front-end fixed edge pressing modules (06), front-end adaptive edge pressing modules (07) and rear-end adaptive edge pressing module (05), and form a set of edge pressing and positioning clamping mechanism for the left and right sides of the PCB board.

2. The self - adaptive plate - sized clamping plate workbench according to claim 1, characterized in that, Connecting columns (15) are installed around the top of the installation base plate (14), and a workbench surface (01) is installed on the connecting columns (15).

3. The self-adaptive plate size clamping table according to claim 1, characterized in that, The rear-end adaptive edge pressing module (05) includes a power module (1), an adaptive module (4) is slidably connected to the power module (1), and an edge clamping module (3) is fixedly installed on the adaptive module (4); an edge pressing sheet one (5) is installed on the top of the edge clamping module (3), edge pressing circular sheets (6) are symmetrically installed on both sides of the edge clamping module (3), and a drag chain (2) is also provided on the edge clamping module (3).

4. The self - adaptive plate - sized splint workbench according to claim 3, wherein, The power module (1) includes a motor (1-1) and a driven wheel fixing seat (1-6); the motor (1-1) is connected to a speed reducer (1-2) and then the whole is installed on a motor fixing plate (1-4). A synchronous belt pulley (1-3) is also installed on the speed reducer (1-2), and a synchronous belt pulley (1-3) is also installed on the driven wheel fixing seat (1-6). The two synchronous belt pulleys (1-3) are connected by a synchronous belt (1-5).

5. The self - adaptive plate - sized clamping plate workbench according to claim 3, wherein, The edge clamping module (3) includes a cylinder fixing plate (3-10), the cylinder fixing plate (3-10) is an installation base plate, an edge clamping wall plate (3-5) is fixedly installed on the cylinder fixing plate (3-10), an edge clamping slide plate (3-6) is slidably connected to the edge clamping wall plate (3-5), and a plurality of edge pressing fixing seats one (3-8) are equidistantly arranged on the edge clamping slide plate (3-6); A clamping cylinder one (3-1) is installed on the cylinder fixing plate (3-10), a cylinder connecting plate (3-4) is movably connected to the piston rod of the clamping cylinder one (3-1), the cylinder connecting plate (3-4) is horizontally arranged, and the cylinder connecting plate (3-4) is connected to the edge clamping slide plate (3-6). On both sides of the cylinder fixing plate (3-10), two side clamping connecting plates two (3-11) are installed. The two side clamping connecting plates two (3-11) are connected to two side clamping connecting plates three (3-13). On the two side clamping connecting plates three (3-13), two side clamping connecting plates one (3-9) are installed. On the two side clamping connecting plates one (3-9), a side clamping cylinder two mounting plate (3-12) is installed. On the side clamping cylinder two mounting plate (3-12), a side clamping cylinder two (3-2) is fixedly installed. On the piston rod of the side clamping cylinder two (3-2), a side pressing fixing seat two (3-3) is fixedly installed.

6. The self-adaptive plate-size clamping table according to claim 3, characterized in that, The adaptation module (4) includes an adaptive guide rail (4-1), a positioning column (4-2), a precision contact sensor (4-3), an adaptive module mounting base plate (4-4), an adaptive limit baffle (4-5), a synchronous belt clamp block (4-6), and a sensor mounting vertical plate (4-7). The adaptive guide rail (4-1), the adaptive limit baffle (4-5), and the synchronous belt clamp block (4-6) are installed on the adaptive module mounting base plate (4-4). The positioning column (4-2) and the precision contact sensor (4-3) are installed on the sensor mounting vertical plate (4-7), and then the whole is installed on the adaptive module mounting base plate (4-4).

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