Rack assembly of solid-state lithium battery cell narrow glue pasting machine

Abstract

The invention discloses a rack assembly of a solid-state lithium battery cell narrow glue pasting machine. The rack assembly comprises a base plate, side plates, a rack, foot cups, moving wheels, a bottom sealing plate, an electric inlet mounting plate, an air pipe electric appliance mounting plate, a compressed air inlet, a vacuum inlet, a wire inlet, an air source, a lower electric box and a lower support assembly. And the cell fixing clamp is fixed on the substrate. The rack assembly achieves pneumatic control over the clamp pressing claw and the upper cover plate grabbing mechanism through an integrated pneumatic driving system. An air source and an air pipe electric appliance mounting plate are fixed on the rack to provide stable compressed air and vacuum supply; the base plate and the side plates form a supporting frame, and the bottom sealing plate seals the internal structure. The electrical inlet mounting plate and the wire inlet manage power supply, and the lower power box is integrated with a control circuit. The design improves the integration level, the pneumatic control precision and the production efficiency of the equipment, and is suitable for automatic production of the solid-state lithium battery.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of lithium battery production equipment, in particular to a rack assembly suitable for a narrow adhesive machine for solid-state lithium battery cells. BACKGROUND

[0002] In the field of new energy batteries, solid-state lithium batteries have become the focus of industry development due to their advantages of high energy density, excellent safety, and long cycle life. However, there are still many challenges in their transition from the laboratory to large-scale production.

[0003] In the production process of lithium batteries, the Pack link is a major difficulty in the mass production of solid-state lithium batteries. The narrow adhesive paste for the cell is one of the key procedures, which is used to fix the cell structure, prevent short circuit, and improve battery performance. Currently, existing automatic narrow adhesive paste machines for lithium batteries, such as the one described in patent CN204424397U, are mainly designed for lithium battery cells with liquid electrolyte. This equipment includes a feeding conveyor assembly, a cell handling assembly, a narrow adhesive paste attachment assembly, and a discharging conveyor assembly, which can achieve automatic adhesive paste. However, the cell fixing clamp design is only suitable for liquid lithium battery cells. The material of the liquid lithium battery cell is relatively flexible and can withstand a certain clamping pressure. However, the solid-state electrolyte used in the material of the solid-state lithium battery cell is more brittle than the liquid lithium battery cell material, which is easily damaged in the clamping process due to excessive pressure or pressure concentration, resulting in cell rupture, performance degradation, or scrap. In addition, the existing positioning method of the clamp upper cover plate and the bottom plate relies on mechanical alignment, which is prone to deviation, affecting the adhesive paste precision and efficiency.

[0004] In the production process of solid-state lithium batteries, the narrow adhesive paste process relies on automatic narrow adhesive paste machines and their cell fixing clamps. The existing cell fixing clamp, such as the one described in the clamp mechanism of the solid-state lithium battery cell narrow adhesive paste machine previously applied by the applicant, includes a clamp upper cover plate, a clamp lower cover plate, an upper cover plate grabbing mechanism, and a clamp pressure paw, etc. assembly, which can achieve flexible fixation and accurate positioning of the cell. However, the existing rack assembly is mostly designed for general use, lacking integrated support for pneumatic driving, resulting in the drive of the clamp pressure paw and the upper cover plate grabbing mechanism relying on external equipment, increasing system complexity and failure rate. In addition, the existing rack lacks stability when supporting the automatic narrow adhesive paste machine, is easily affected by vibration, and affects the adhesive paste precision; the electrical and pneumatic management is chaotic, making maintenance inconvenient. To solve these problems, an integrated pneumatic drive rack assembly is needed to improve the overall stability and automation efficiency of the equipment. SUMMARY

[0005] The purpose of the present application is to overcome the shortcomings of the prior art and provide a rack assembly for a solid-state lithium battery cell narrow adhesive paste machine. By integrating a pneumatic driving system, pneumatic control of the clamp pressure paw and the upper cover plate grabbing mechanism is achieved, improving the stability and production efficiency of the equipment.

[0006] To achieve the above object, the technical scheme of the present application is as follows: The rack assembly of the solid-state lithium battery cell narrow glue machine comprises a base plate, a side plate, a rack, a foot cup, a moving wheel, a bottom sealing plate, an electrical inlet mounting plate, a gas pipe electrical installation plate, a compressed air inlet, a vacuum inlet, a wire inlet, a gas source, a lower electrical box, and a lower support assembly, characterized in that: the rack assembly is integrated with a pneumatic driving system for driving a clamp pressure jaw and an upper cover plate grabbing mechanism; the gas source is fixed inside the rack to provide compressed air and vacuum supply; the gas pipe electrical installation plate is arranged on the side of the rack for installing gas pipes and electrical elements; and the cell fixing clamp is fixed on the base plate.

[0007] Further, the pneumatic driving system comprises a gas cylinder, a solenoid valve, and a gas line; the gas cylinder is connected to the clamp pressure jaw to realize the rotation opening and closing of the pressure jaw; the solenoid valve controls the output of the gas source; and the gas line connects the compressed air inlet and the vacuum inlet to the gas cylinder.

[0008] Further, the base plate is of a rectangular structure, the side plate is vertically fixed on both sides of the base plate to form a rack body; the foot cup is arranged at the bottom of the base plate at four corners for ground positioning; and the moving wheel is installed at the bottom of the base plate for facilitating the movement of the equipment.

[0009] Further, the bottom sealing plate covers below the base plate to seal the internal space of the rack and prevent dust from entering; and the electrical inlet mounting plate is arranged at the rear of the rack for installing the wire inlet and electrical interface.

[0010] Further, the gas cylinder is a double-acting gas cylinder installed on the lower support assembly and abutting against the clamp pressure jaw; and the solenoid valve is integrated on the gas pipe electrical installation plate and connected to the lower electrical box through the wire inlet to realize remote control.

[0011] Further, the pneumatic driving of the upper cover plate grabbing mechanism comprises a vacuum suction cup and a pneumatic arm; the vacuum suction cup is connected to the vacuum inlet and provides negative pressure adsorption through the gas source; and the pneumatic arm is fixed at the upper end of the rack to drive the lifting and rotation of the grabbing mechanism.

[0012] Further, the vacuum suction cup is provided with a plurality of suction holes matched with the clamping grooves of the upper cover plate grabbing mechanism; and the pneumatic arm is driven by the gas cylinder, and the stroke is matched with the operation height of the automatic narrow glue machine.

[0013] Further, the lower electrical box is installed inside the rack and contains a PLC controller for coordinating the synchronous operation of the pneumatic driving system and the automatic narrow glue machine.

[0014] Further, the rack adopts aluminum alloy material, and the surface is treated by anodic oxidation to improve corrosion resistance and structural strength; the lower support assembly comprises an adjusting bolt for fine adjustment of the installation height of the automatic narrow adhesive taping machine.

[0015] Further, the compressed air inlet and the vacuum inlet are arranged on the side plate of the rack, facilitating connection of external air sources; the gas pipe and electrical installation plate is provided with a fixing groove for fixing the gas pipe and sensor cable.

[0016] The present application has at least the following advantages: 1. The present application forms a high-strength frame through the design of the base plate, side plate and rack body, significantly improves the stability of the equipment, reduces the influence of vibration on the adhesive taping process of the solid-state lithium battery cell, and the combination of the foot cup and the moving wheel facilitates flexible movement and fixation of the equipment on the production line, shortens the installation time, and improves the production efficiency; the sealing design of the bottom sealing plate prevents dust and pollutants from entering, protects the internal electrical and pneumatic components, and prolongs the service life of the equipment; this structure is particularly matched with the upper cover plate grabbing mechanism of the clamp, and precise alignment is realized through the positioning groove of the lower support assembly, which facilitates the operation of the mechanical hand, reduces human intervention, and improves the automation level.

[0017] 2. The present application provides convenient access of compressed air inlet, vacuum inlet and wire inlet through the standardized interface design of the electrical inlet installation plate and the gas pipe and electrical installation plate, ensures the stable supply of the pneumatic and electrical systems, and enhances the protection of the waterproof sealing ring, which is suitable for humid production environment and reduces the failure rate; this design optimizes the wiring and pipeline layout, simplifies installation and maintenance, and improves the reliability of the equipment; combined with the integration of the air source and the lower electrical box, self-sufficient energy management is realized to support continuous operation.

[0018] 3. The present application realizes the height and angle fine adjustment of the automatic narrow adhesive taping machine through the design of the lower support assembly comprising a support rod and an adjusting screw, adapts to the needs of different specifications of solid-state cells, and improves the flexible manufacturing capability; the positioning groove is specially designed for the clamp upper cover plate grabbing mechanism, which facilitates quick grabbing and releasing, and shortens the cycle time; this structure enhances the support of the rack to the clamp system, prevents deviation caused by taping deviation, and improves the precision.

[0019] 4. The present application provides additional support points through the design of the rack side reinforcement beam to support the stable installation and flexible operation of the clamp pressure jaw mechanism; the reinforcement beam disperses lateral force, reduces the impact risk of the pressure jaw on the cell, and protects the brittle solid-state material; combined with the lower support assembly, the clamp system is fully matched to improve the overall positioning accuracy to the millimeter level; this combination reduces assembly errors, improves throughput, and is suitable for high-paced production lines.

[0020] 5、The application facilitates rapid repositioning of the equipment in the workshop, reduces downtime, adjusts height to adapt to uneven ground, ensures horizontality of the rack, optimizes stability of the rubber bonding operation, supports multi-machine collaborative production lines, and enhances flexibility through the movement design of the foot cup and the moving wheel in combination with the protection of the bottom sealing plate to further improve the durability of the equipment.

[0021] 6、The application optimizes space utilization, reduces external connection risks, improves safety, ensures stable output of the power module and control circuit to prevent voltage fluctuation from affecting clamp operation, facilitates centralized maintenance, reduces operating costs, and supports intelligent control integration through the internal integration design of the gas source and the lower electrical box.

[0022] 7、The application realizes seamless collaboration and supports elastic fixation of the clamp pressure pawl through the integrated fixation design of the automatic narrow rubber bonding machine and the rack, simplifies the overall structure to improve reliability and efficiency, and is suitable for high-precision requirements of solid-state lithium batteries.

[0023] 8、The application combines the clamp pressure pawl mechanism assembly and the positioning guide device to realize comprehensive flexible protection and precise positioning of the solid-state lithium battery cell by the cell fixing clamp, improving the performance and applicability of the overall equipment. Specifically, the combined design significantly reduces the impact force and pressure concentration risk during clamping through the dual-cushioning mechanism of the elastic member and the limiting rubber column. The elastic member provides flexible rebound to ensure that the clamp pressure pawl does not apply hard pressure to the cell when fixing the upper cover plate. The limiting rubber column further absorbs vertical impact and vibration during assembly to prevent the guide shaft from directly transmitting force to the fragile solid-state cell. This collaborative cushioning effect not only avoids cell cracking, deformation, or internal structure damage but also improves the cell integrity. Meanwhile, the rotatable fixation of the articulated shaft in combination with the precise guidance of the guide shaft realizes quick and stable alignment of the clamp upper cover plate and the bottom plate. The height of the limiting rubber column matches the cell thickness to ensure accurate gap control. The setting of the elastic member allows the pressure pawl to adjust the angle flexibly to adapt to minor deviations of different cell specifications. This combination improves the positioning accuracy to sub-millimeter level, shortens the assembly time, improves the throughput and automation efficiency of the narrow rubber bonding machine, is suitable for high-pace production lines, reduces errors caused by human intervention, and improves operation safety. In addition, the combination enhances the compatibility and durability of the equipment. The elastic design of the pressure pawl mechanism assembly and the cushioning effect of the limiting rubber column complement each other to disperse lateral and vertical forces, prolong the service life of key components such as the guide shaft and the pressure pawl, and reduce wear and maintenance frequency. Further, in the specific context of fragile materials of solid-state lithium batteries, the battery performance consistency is significantly improved through uniform pressure distribution and stable positioning. The rubber bonding process is more accurate, ensuring uniform adhesive attachment, thereby improving the energy density, cycle life, and safety performance of the finished battery. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 Front view of the narrow tape machine (hidden machine frame) for solid-state lithium battery cell; Figure 2 Front view of the base plate of the narrow tape machine frame assembly for solid-state lithium battery cell; Figure 3 Structure explosion schematic diagram of the narrow tape machine frame assembly for solid-state lithium battery cell; Figure 4 Structure perspective view of the narrow tape machine frame assembly for solid-state lithium battery cell; Figure 5 Front view of the narrow tape machine frame assembly for solid-state lithium battery cell; Figure 6 Schematic diagram of the cell fixing clamp structure matched with the narrow tape machine frame assembly for solid-state lithium battery cell; In the figure: 1. Base plate; 2. Side plate; 3. Frame; 4. Foot cup; 5. Moving wheel; 6. Bottom sealing plate; 7. Electrical inlet mounting plate; 8. Air pipe electrical mounting plate; 9. Compressed air inlet; 10. Vacuum inlet; 11. Wire inlet; 12. Air source; 13. Lower electrical box; 14. Lower support assembly; 15. Automatic narrow tape machine. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0026] In the description of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0027] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0028] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally formed or integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments; based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] As shown in Figures 1-6 A machine frame assembly 14 of a solid-state lithium battery cell narrow glue machine, including a base plate 1, a side plate 2, a machine frame 3, a foot cup 4, a moving wheel 5, a bottom sealing plate 6, an electrical inlet mounting plate 7, a gas pipe electrical installation plate 8, a compressed air inlet 9, a vacuum inlet 10, a wire inlet 11, a gas source 12, a lower electrical box 13, a lower support assembly 14; the cell fixing clamp is fixed on the base plate 1; the machine frame assembly 14 is integrated with a pneumatic driving system for driving the clamp pressure pawl and the upper cover plate grabbing mechanism; the gas source is fixed inside the machine frame, providing compressed air and vacuum supply; the gas pipe electrical installation plate 7 is arranged on the side of the machine frame 3; In some embodiments, the pneumatic driving system includes a gas cylinder, a solenoid valve and a gas line; the gas cylinder is connected to the clamp pressure pawl A13 to realize the rotation opening and closing of the clamp pressure pawl A13; the solenoid valve controls the output of the gas source 12, and the gas line connects the compressed air inlet 9 and the vacuum inlet 10 to the gas cylinder.

[0031] In some embodiments, the base plate 1 is a rectangular structure, the side plate 2 is vertically fixed on both sides of the base plate 1 to form a machine frame body; the foot cup 4 is arranged at the bottom of the base plate 1 at four corners for ground positioning; the moving wheel 5 is installed at the bottom of the base plate for easy movement of the equipment.

[0032] In some embodiments, the bottom sealing plate 6 covers below the base plate 1, sealing the internal space of the machine frame 3 to prevent dust from entering; the electrical inlet mounting plate 7 is arranged at the rear of the machine frame 3 for installing the wire inlet and electrical interface.

[0033] In some embodiments, the air cylinder is a double-acting air cylinder mounted on the lower support assembly and abuts the clamp pressure pawl; the solenoid valve is integrated on the air pipe and electrical installation plate 8 and connected to the lower electrical box through the wire inlet for remote control.

[0034] In some embodiments, the pneumatic drive of the upper cover plate grabbing mechanism A14 includes a vacuum suction cup and a pneumatic arm; the vacuum suction cup is connected to the vacuum inlet 10 and provides negative pressure adsorption through the air source; the pneumatic arm is fixed on the upper end of the rack and drives the lifting and rotation of the grabbing mechanism.

[0035] In some embodiments, the vacuum suction cup is provided with a plurality of suction holes matched with the clamping grooves of the upper cover plate grabbing mechanism A14; the pneumatic arm is driven by the air cylinder and the stroke is matched with the operating height of the automatic narrow rubber bonding machine.

[0036] In some embodiments, the lower electrical box 13 is installed inside the rack 3 and contains a PLC controller for coordinating the synchronous operation of the pneumatic drive system and the automatic narrow rubber bonding machine.

[0037] In some embodiments, the rack 3 is made of aluminum alloy material and the surface is anodized; the lower support assembly includes adjusting bolts for fine-tuning the installation height of the automatic narrow rubber bonding machine.

[0038] In some embodiments, the compressed air inlet 9 and the vacuum inlet 10 are arranged on the side plate 2 of the rack 3 for easy connection of external air sources; the air pipe and sensor cable are fixed on the air pipe and electrical installation plate 8.

[0039] In some embodiments, the cell fixing clamp includes a clamp upper cover plate A8, a clamp bottom plate A6, an upper cover plate grabbing mechanism A14, five cell positioning blocks, an upper bubble cotton silica gel A9 fixed on the lower part of the clamp upper cover plate A8, and a lower bubble cotton silica gel A7 fixed on the upper part of the clamp bottom plate A6; clamp pressure pawl mechanism assemblies for fixing the clamp upper cover plate A8 are arranged on both sides of the clamp upper cover plate A8; the clamp pressure pawl mechanism assemblies include a pressure pawl fixing plate A12, a clamp pressure pawl A13, and an elastic member A4; the pressure pawl fixing plate A12 is fixed on the clamp bottom plate A6, and the clamp pressure pawl A13 is rotatably fixed on the pressure pawl fixing plate A12 through a hinge shaft mechanism A17, and the lower outer surface of the clamp pressure pawl A13 is provided with the elastic member A4; the clamp pressure pawl A13 can be buckled or loosened on the upper cover plate A8 under the action of an external force; the upper cover plate grabbing mechanism is fixedly arranged on the center position of the upper surface of the clamp upper cover plate A8; the positioning guide devices are fixedly arranged near the four top corners of the clamp bottom plate A6; positioning holes are arranged at positions corresponding to the positioning guide devices on the clamp upper cover plate A8; the positioning guide devices include a guide shaft A10 and a limiting rubber column A16 for buffering; the guide shaft A10 is fixedly arranged on the clamp bottom plate A6 through the lower bubble cotton silica gel A7, and the limiting rubber column A16 is provided with an inner hole matched in diameter with the guide shaft A10; the limiting rubber column A16 is sleeved on the outer surface of the guide shaft A10, the lower bottom surface of the limiting rubber column A16 abuts against the lower bubble cotton silica gel 7 on the upper part of the clamp bottom plate A6, and the upper bottom surface of the limiting rubber column A16 abuts against the upper bubble cotton silica gel A9 on the lower part of the clamp upper cover plate A8; the height of the limiting rubber column A16 is matched with the thickness of the cell A1 to be pasted with narrow rubber.

[0040] The technical features of the above embodiments can be combined in any manner. To make the description concise, all possible combinations of the technical features in the above embodiments are not described, but as long as the combinations do not contradict, they should be considered within the scope of the present disclosure. Those skilled in the art can understand that the steps, measures, and schemes in the various operations, methods, and processes discussed in the present application can be alternated, changed, combined, or deleted; further, other steps, measures, and schemes in the various operations, methods, and processes discussed in the present application can also be alternated, changed, rearranged, decomposed, combined, or deleted; The above-described embodiments only express several implementation manners of the present disclosure, the description is relatively specific and detailed, but it cannot be understood as a limitation on the patent scope of the present disclosure; it should be pointed out that, for ordinary skilled persons in the art, without departing from the concept of the present disclosure, several modifications and improvements can be made, which all belong to the protection scope of the present disclosure; therefore, the protection scope of the present disclosure should be subject to the appended claims.

Claims

1. A frame assembly for a solid-state lithium battery cell narrow adhesive bonding machine, comprising a base plate, side plates, a frame, feet, wheels, a bottom sealing plate, an electrical inlet mounting plate, an air pipe electrical mounting plate, a compressed air inlet, a vacuum inlet, an electrical wire inlet, an air source, a lower electrical box, and a lower support assembly, characterized in that: The frame assembly integrates a pneumatic drive system for driving the clamping claws and the upper cover gripping mechanism; the air source is fixed inside the frame to provide compressed air and vacuum supply; the air pipe electrical mounting plate is set on the side of the frame for mounting air pipes and electrical components; the battery cell fixing clamp is fixed on the base plate.

2. The frame assembly of a solid-state lithium battery cell narrow adhesive bonding machine according to claim 1, characterized in that: The pneumatic drive system includes a cylinder, a solenoid valve, and an air pipeline; the cylinder is connected to the clamping jaws to realize the rotation and opening of the jaws; the solenoid valve controls the output of the air source, and the air pipeline connects the compressed air inlet and the vacuum inlet to the cylinder.

3. The frame assembly of a solid-state lithium battery cell narrow adhesive bonding machine according to claim 1, characterized in that: The base plate has a rectangular structure, and the side plates are vertically fixed to both sides of the base plate to form the main frame; the foot cups are set at the four corners of the bottom of the base plate for ground positioning; the motion wheels are installed at the bottom of the base plate to facilitate the movement of the equipment.

4. The frame assembly of a solid-state lithium battery cell narrow adhesive bonding machine according to claim 1, characterized in that: The bottom sealing plate covers the underside of the base plate, sealing the internal space of the frame and preventing dust from entering; the electrical inlet mounting plate is located at the rear of the frame and is used to install wire inlets and electrical interfaces.

5. The frame assembly of a solid-state lithium battery cell narrow adhesive bonding machine according to claim 2, characterized in that: The cylinder is a double-acting cylinder, mounted on the lower support assembly, and abuts against the clamping claw; the solenoid valve is integrated on the air pipe electrical mounting plate and connected to the lower electrical box through the wire inlet to achieve remote control.

6. The frame assembly of a solid-state lithium battery cell narrow adhesive bonding machine according to claim 1, characterized in that: The pneumatic drive of the upper cover gripping mechanism includes a vacuum suction cup and a pneumatic arm; the vacuum suction cup is connected to a vacuum inlet and provides negative pressure adsorption through an air source; the pneumatic arm is fixed to the upper end of the frame and drives the gripping mechanism to lift and rotate.

7. The frame assembly of a solid-state lithium battery cell narrow adhesive bonding machine according to claim 6, characterized in that: The vacuum suction cup is equipped with multiple suction holes that match the slots of the upper cover plate gripping mechanism; the pneumatic arm is driven by a cylinder, and its stroke matches the operating height of the automatic narrow tape applicator.

8. The frame assembly of a solid-state lithium battery cell narrow adhesive bonding machine according to claim 1, characterized in that: The lower electrical box is installed inside the frame and contains a PLC controller for coordinating the synchronous operation of the pneumatic drive system and the automatic narrow tape applicator.

9. The frame assembly of a solid-state lithium battery cell narrow adhesive bonding machine according to claim 1, characterized in that: The frame is made of aluminum alloy with an anodized surface; the lower support assembly includes adjusting bolts for fine-tuning the installation height of the automatic narrow tape applicator.

10. The frame assembly of a solid-state lithium battery cell narrow adhesive bonding machine according to claim 1, characterized in that: The compressed air inlet and vacuum inlet are located on the side plate of the frame for easy connection to an external air source; the air pipe electrical mounting plate has a fixing groove for fixing the air pipe and sensor cable.

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