Single-top hydraulic machine for forming central air conditioner parts

Abstract

The invention relates to the field of single-top hydraulic machines, and discloses a single-top hydraulic machine for forming central air conditioner parts, which comprises a base, four limiting rods are fixedly connected to the top of the base, and a fixing table is fixedly connected to the tops of the surfaces of the four limiting rods. The distance between the pressurizing table and the top of the base is accurately detected through the laser range finder, so that a motor is efficiently controlled to rotate, the motor drives a worm to rotate, so that a worm wheel is driven to rotate, a winding rod is driven to rotate through rotation of the worm wheel, and transparent protective cloth is wound; when the laser range finder detects that the pressurizing table is far away from the base, the control device controls the motor to rotate reversely, and the winding rod is driven by a series of transmission mechanisms to release the transparent protective cloth to the outer side, so that the transparent protective net can perform efficient protection when parts are subjected to die casting, and the parts are effectively prevented from splashing; and the use safety of a user is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of single-column hydraulic presses, and particularly to a single-column hydraulic press for the forming of central air-conditioning parts. Background Art

[0002] A single-column hydraulic press is a mechanical pressure device driven by a single hydraulic cylinder, mainly used in industrial fields such as metal forging, powder metallurgy, and plastic product forming. Its core structure consists of a machine body, a main hydraulic cylinder, a hydraulic pump station, and an electrical control system. By the principle of hydraulic transmission, hydraulic pressure is converted into mechanical pressure to achieve high-precision and high-stability processing operations. The equipment usually adopts a three-beam and four-column machine body design to ensure uniform pressure bearing. With an independent hydraulic control system, it can flexibly adjust pressure, speed, and pressure holding time to meet various process requirements such as stamping, stretching, and straightening. Its advantages lie in simple structure, convenient operation, and stable pressure output, being suitable for batch production and customized processing scenarios of medium and small-sized workpieces. Some models are equipped with a digital control panel to support automatic parameter setting and status monitoring, effectively improving production efficiency and processing accuracy. It is an important production equipment in industries such as mechanical manufacturing, automotive parts, and hardware processing.

[0003] Single-column hydraulic presses are used to manufacture small parts. When central air conditioners are processing parts, single-column hydraulic presses are required. The front of existing single-column hydraulic presses is usually open during use. When the position of the parts is offset during stamping by the hydraulic press, it is extremely easy for the parts to fly outwards under pressure, posing a great safety hazard to the user. Therefore, a single-column hydraulic press for the forming of central air-conditioning parts is proposed to solve the above problems. Summary of the Invention

[0004] To make up for the above deficiencies, the present invention provides a single-column hydraulic press for the forming of central air-conditioning parts, aiming to improve the situation in the prior art that when central air conditioners are processing parts, single-column hydraulic presses are required. The front of existing single-column hydraulic presses is usually open during use. When the position of the parts is offset during stamping by the hydraulic press, it is extremely easy for the parts to fly outwards under pressure, posing a great safety hazard to the user.

[0005] To achieve the above object, the present invention adopts the following technical solutions: A single-top hydraulic press for the forming of central air-conditioning parts, comprising: a base, on the top of which four limit rods are fixedly connected, on the top of the surfaces of the four limit rods a fixed table is fixedly connected, on the right side of the top fixed table a control box is fixedly connected, on the front of the fixed table a display is arranged, on the top of the fixed table a hydraulic rod is fixedly installed, the output end of the hydraulic rod is fixedly connected with a pressing table, a transparent protective cloth is arranged between the pressing table and the front of the base, a winding mechanism is arranged on the front of the base, and the winding mechanism is used for winding the transparent protective cloth, a clamping mechanism is arranged on the front of the pressing table, and the clamping mechanism is used for fixing the transparent protective cloth, a laser rangefinder is fixedly installed on the left side of the base, and a receiver cooperating with the laser rangefinder is fixedly installed on the left side of the pressing table.

[0006] Through the above technical solution, the ingenious design of the clamping mechanism and the winding mechanism not only effectively fixes the transparent protective cloth, prevents splashing injuries during the operation process, but also facilitates quick cleaning and maintenance after the operation, improves the work efficiency and safety. In addition, the integration of the control box and the display makes the operation more intuitive and simple, reduces the operation difficulty, improves the user experience. At the same time, the laser rangefinder is convenient for accurately and efficiently detecting the distance between the pressing table and the base. To sum up, the design of this hydraulic press plays a crucial role in ensuring safety, improving efficiency and ensuring quality.

[0007] As a further description of the above technical solution: the winding mechanism includes a winding box, the winding box is fixedly installed on the front of the base, on the right side of the winding box a cross plate is fixedly connected, on the top of the cross plate a motor is fixedly installed through a support frame, the output end of the motor is fixedly connected with a worm, a worm gear is meshed on the surface of the worm, and a winding rod is fixedly connected inside the worm gear.

[0008] Through the above technical solution, the winding mechanism drives the worm to rotate through the motor, and then drives the worm gear and the winding rod to rotate, realizing the automatic winding and unfolding of the transparent protective cloth, greatly simplifying the operation process and reducing the labor intensity of manual work. In addition, the adoption of the worm and worm gear structure not only ensures the smoothness and reliability of the transmission, but also effectively reduces the noise and improves the comfort of the working environment. At the same time, the fixed installation design of the winding box and the cross plate makes the whole winding mechanism structure compact, firm and durable, convenient for daily maintenance and prolongs the service life of the equipment. Therefore, the design of this winding mechanism not only improves the work efficiency, but also enhances the stability and durability of the equipment, bringing a more convenient and efficient use experience to users.

[0009] As a further description of the above technical solution: The surface of the winding rod is fixedly connected to the transparent protective cloth. Two card slots are fixedly connected to the top of the winding box. A slide bar is slidably connected inside the card slot. A brush is fixedly connected to the inner sides of the two slide bars. The brush is used in cooperation with the transparent protective cloth.

[0010] Through the above technical solution, the cooperation between the brush and the transparent protective cloth can effectively remove dust and impurities on the surface of the protective cloth during the winding process, maintaining its cleanliness, which is crucial for keeping the operation vision clear and preventing impurities from entering the working area. Secondly, the sliding connection design of the slide bar and the card slot enables the brush to easily adjust its position to adapt to transparent protective cloths of different widths or thicknesses, enhancing the versatility and flexibility of the equipment. In addition, the gentle contact of the brush also avoids damaging the protective cloth during the winding process, prolonging the service life of the protective cloth and reducing the replacement cost. Therefore, this design not only improves the practicality and maintenance efficiency of the equipment but also reflects careful consideration of user needs, providing users with a better quality and more efficient use experience.

[0011] As a further description of the above technical solution: The clamping mechanism includes a transverse plate fixedly installed on the top of the transparent protective cloth. A plurality of positioning plates are fixedly connected to the top of the transverse plate. A plurality of limiting plates for cooperating with the positioning plates are fixedly installed on the front surface of the pressing table.

[0012] Through the above technical solution, the clamping mechanism realizes the firm fixation of the transparent protective cloth through the cooperation of the transverse plate, positioning plates, and limiting plates, effectively preventing the displacement or detachment of the protective cloth during the operation of the hydraulic press and ensuring the safety and stability of the operation. At the same time, the setting of a plurality of positioning plates and limiting plates not only enhances the reliability of the fixation but also makes the fixation points more evenly distributed, avoiding damage or deformation of the protective cloth due to uneven stress and prolonging the service life of the protective cloth. In addition, this design also simplifies the fixation operation and improves work efficiency. Therefore, the design of the clamping mechanism not only improves the safety and stability of the equipment but also reflects the attention to the convenience of user operation, bringing users a more efficient and reassuring use experience.

[0013] As a further description of the above technical solution: A short rod is movably connected inside the positioning plate and the limiting plate. A moving plate is fixedly connected to the right side of the short rod. A sleeve is fixedly connected to the top of the plurality of moving plates. A round rod is slidably connected inside the sleeve.

[0014] Through the above technical solution, the electric pole is used to connect the positioning plate and the limiting plate and keep their relative positions fixed, so as to fix the positions of the moving plate and the cross plate, thereby efficiently fixing the transparent protective cloth.

[0015] As a further description of the above technical solution: A first clamping plate and a second clamping plate are provided on the top of the limiting plate, and the left side of the round rod is fixedly connected to the first clamping plate.

[0016] Through the above technical solution, by the arrangement of the first clamping plate and the second clamping plate, it is convenient to adjust the position of the sleeve, thereby driving the components at the bottom of the sleeve to move, realizing the fixation and movement of the transparent protective cloth, and facilitating the use by the user.

[0017] As a further description of the above technical solution: A compression spring is provided inside the sleeve and the first clamping plate. The compression spring is sleeved on the surface of the round rod, and the compression spring is used in cooperation with the round tube.

[0018] Through the above technical solution, by the arrangement of the compression spring, it is convenient to press against the round tube, so that the round tube can move to the right side, thereby driving the moving plate to move, making the cross bar lose the limit on the positioning plate, so as to facilitate the quick removal of the cross bar, and thus retract the transparent protective cloth, facilitating the use by the user.

[0019] As a further description of the above technical solution: The right side of the sleeve is movably connected to an operating rod through a bearing seat, and a knob is fixedly connected to the right side of the operating rod.

[0020] Through the above technical solution, by rotating the knob to drive the operating rod to rotate, the operating rod presses against the sleeve, so that the sleeve and the cross bar at the bottom move to the left side, and while compressing the compression spring, the positioning plate is efficiently fixed, facilitating the use by the user.

[0021] As a further description of the above technical solution: The connection mode between the operating rod and the second clamping plate is a threaded connection.

[0022] Through the above technical solution, the position of the sleeve can be effectively adjusted by the threaded connection method, so as to efficiently adjust the position of the cross bar.

[0023] As a further description of the above technical solution: A robotic arm is provided on the back of the base. The robotic arm is used in cooperation with the components. Mold grooves are provided at the bottom of the pressurizing table and the top of the base, and the mold grooves are used for fixedly installing molds.

[0024] Through the above technical solution, by the arrangement of the robotic arm, it is convenient to efficiently take out and place the components, avoiding the danger of manual taking out and the inaccuracy of the manual placement position, and improving the efficiency of component processing.

[0025] The present invention has the following beneficial effects: 1. In the present invention, when operating the single-top hydraulic press, the cross bar drives the pressing table to move downward through the hydraulic rod, thereby performing die casting on the components. At the same time, the laser rangefinder accurately detects the distance between the pressing table and the top of the base, thereby efficiently controlling the motor to rotate. The motor drives the worm to rotate, which in turn drives the worm gear to rotate. The rotation of the worm gear drives the winding rod to rotate, thereby winding the transparent protective cloth. When the laser rangefinder detects that the pressing table is moving away from the base, the control device controls the motor to reverse, and through a series of transmission mechanisms, the winding rod releases the transparent protective cloth outward, so that when die casting is performed on the components, the transparent protective net can provide efficient protection, effectively preventing the components from splashing and improving the safety of use for the user.

[0026] 2. In the present invention, through the setting of the compression spring, it is convenient to tightly press the round tube, enabling the round tube to move to the right, thereby driving the moving plate to move, causing the cross bar to lose the limit on the positioning plate, thus facilitating the quick removal of the cross plate, and enabling the transparent protective cloth to be retracted, which is convenient for the user to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 Schematic diagram of the base structure of the present invention; Figure 2 Structural diagram of the present invention Figure 1 Enlarged schematic diagram of part A in the structure; Figure 3 Structural diagram of the present invention Figure 1 Enlarged schematic diagram of part B in the structure; Figure 4 Schematic diagram of the fixed table structure of the present invention; Figure 5 Schematic diagram of the limiting rod structure of the present invention; Figure 6 Schematic diagram of the winding box structure of the present invention; Figure 7 Structural diagram of the present invention Figure 6 Enlarged schematic diagram of part C in the structure.

[0028] LEGEND DESCRIPTION: 1. Base; 2. Limiting rod; 3. Fixed table; 4. Control box; 5. Display; 6. Hydraulic rod; 7. Pressing table; 8. Transparent protective cloth; 9. Rewinding mechanism; 91. Rewinding box; 92. Horizontal plate; 93. Motor; 94. Worm; 95. Worm gear; 96. Rewinding rod; 97. Card slot; 98. Slide bar; 99. Brush; 10. Clamping mechanism; 101. Horizontal plate; 102. Positioning plate; 103. Limiting plate; 104. Short rod; 105. Moving plate; 106. Sleeve; 107. Round rod; 108. First clamping plate; 109. Second clamping plate; 1010. Compression spring; 1011. Operating rod; 1012. Knob; 11. Manipulator; 12. Mold groove; 13. Laser rangefinder; 14. Receiver. Detailed implementation manner

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0030] Refer to Figures 1-7 , an embodiment provided by the present invention: A single-top hydraulic press for the forming of central air-conditioning parts, including: a base 1, four limiting rods 2 are fixedly connected to the top of the base 1, the top of the four limiting rods 2 is fixedly connected with a fixed table 3, the right side of the top fixed table 3 is fixedly connected with a control box 4, a display 5 is arranged on the front of the fixed table 3, a hydraulic rod 6 is fixedly installed on the top of the fixed table 3, the output end of the hydraulic rod 6 is fixedly connected with a pressing table 7, a transparent protective cloth 8 is arranged between the pressing table 7 and the base 1, a rewinding mechanism 9 is arranged on the front of the base 1, and the rewinding mechanism 9 is used for rewinding the transparent protective cloth 8. A clamping mechanism 10 is arranged on the front of the pressing table 7, and the clamping mechanism 10 is used for fixing the transparent protective cloth 8. A laser rangefinder 13 is fixedly installed on the left side of the base 1, and a receiver 14 cooperating with the laser rangefinder 13 is fixedly installed on the left side of the pressing table 7. The ingenious design of the clamping mechanism 10 and the rewinding mechanism 9 not only effectively fixes the transparent protective cloth 8, prevents splashing injuries during the operation, but also facilitates quick cleaning and maintenance after the operation, improving work efficiency and safety. In addition, the integration of the control box 4 and the display 5 makes the operation more intuitive and simple, reduces the operation difficulty, and improves the user experience. At the same time, the laser rangefinder 13 is convenient for accurately and efficiently detecting the distance between the pressing table 7 and the base 1. In summary, the design of this hydraulic press plays a crucial role in ensuring safety, improving efficiency, and ensuring quality.

[0031] Refer to Figures 1-7, the rewinding mechanism 9 includes a rewinding box 91, the rewinding box 91 is fixedly installed on the front of the base 1, a cross plate 92 is fixedly connected to the right side of the rewinding box 91, a motor 93 is fixedly installed on the top of the cross plate 92 through a support frame, an output end of the motor 93 is fixedly connected to a worm 94, a worm gear 95 is meshed on the surface of the worm 94, a rewinding rod 96 is fixedly connected inside the worm gear 95, the rewinding mechanism 9 drives the worm 94 to rotate through the motor 93, and then drives the worm gear 95 and the rewinding rod 96 to rotate, realizing the automatic rewinding and unfolding of the transparent protective cloth 8, greatly simplifying the operation process and reducing the labor intensity of manual work. In addition, the adoption of the worm 94 and worm gear 95 structure not only ensures the smoothness and reliability of the transmission, but also effectively reduces the noise and improves the comfort of the working environment. At the same time, the fixed installation design of the rewinding box 91 and the cross plate 92 makes the entire rewinding mechanism 9 have a compact structure, is firm and durable, is convenient for daily maintenance and repair, and extends the service life of the equipment. Therefore, the design of the rewinding mechanism 9 not only improves the work efficiency, but also enhances the stability and durability of the equipment, bringing a more convenient and efficient use experience to users. The surface of the rewinding rod 96 is fixedly connected to the transparent protective cloth 8, two card slots 97 are fixedly connected to the top of the rewinding box 91, a slide bar 98 is slidably connected inside the card slots 97, a brush 99 is fixedly connected to the inner sides of the two slide bars 98, the brush 99 is used in cooperation with the transparent protective cloth 8. The cooperation between the brush 99 and the transparent protective cloth 8 can effectively remove the dust and impurities on the surface of the protective cloth during the rewinding process and keep its cleanliness, which is crucial for maintaining the clarity of the operation vision and preventing impurities from entering the working area. Secondly, the sliding connection design of the slide bar 98 and the card slot 97 enables the brush 99 to easily adjust its position to adapt to transparent protective cloths 8 of different widths or thicknesses, enhancing the versatility and flexibility of the equipment. In addition, the gentle contact of the brush 99 also avoids damaging the protective cloth during the rewinding process, extends the service life of the protective cloth, and reduces the replacement cost. Therefore, this design not only improves the practicality and maintenance efficiency of the equipment, but also reflects the careful consideration of user needs, providing a more high-quality and efficient use experience for users.

[0032] Refer to Figures 1-7, the clamping mechanism 10 includes a transverse plate 101 which is fixedly installed on the top of the transparent protective cloth 8. A plurality of positioning plates 102 are fixedly connected to the top of the transverse plate 101. A plurality of limiting plates 103 which are used in cooperation with the positioning plates 102 are fixedly installed on the front surface of the pressing table 7. Through the cooperation of the transverse plate 101, the positioning plates 102 and the limiting plates 103, the clamping mechanism 10 realizes the firm fixation of the transparent protective cloth 8, effectively prevents the displacement or detachment of the protective cloth during the operation of the hydraulic press, and ensures the safety and stability of the operation. At the same time, the arrangement of the plurality of positioning plates 102 and the limiting plates 103 not only enhances the reliability of the fixation, but also makes the distribution of the fixing points more uniform, avoids the damage or deformation of the protective cloth due to uneven stress, and prolongs the service life of the protective cloth. In addition, this design also simplifies the fixing operation and improves the work efficiency. Therefore, the design of the clamping mechanism 10 not only improves the safety and stability of the equipment, but also reflects the concern for the convenience of user operation, bringing a more efficient and reassuring use experience to the user. A short rod 104 is movably connected inside the positioning plate 102 and the limiting plate 103. A moving plate 105 is fixedly connected to the right side of the short rod 104. A plurality of sleeves 106 are fixedly connected to the top of the moving plates 105. A round rod 107 is slidably connected inside the sleeve 106. The electric rod is used to connect the positioning plate 102 and the limiting plate 103 and keep their relative positions fixed, so as to fix the position of the moving plate 105 and the transverse plate 101, thereby efficiently fixing the transparent protective cloth 8. A first clamping plate 108 and a second clamping plate 109 are arranged on the top of the limiting plate 103. The left side of the round rod 107 is fixedly connected to the first clamping plate 108. The arrangement of the first clamping plate 108 and the second clamping plate 109 is convenient for adjusting the position of the sleeve 106, thereby driving the components at the bottom of the sleeve 106 to move, realizing the fixation and movement of the transparent protective cloth 8, and being convenient for the user to use. A compression spring 1010 is arranged inside the sleeve 106 and the first clamping plate 108. The compression spring 1010 is sleeved on the surface of the round rod 107. The compression spring 1010 is used in cooperation with the round tube. Through the arrangement of the compression spring 1010, it is convenient to press against the round tube, so that the round tube can move to the right, thereby driving the moving plate 105 to move, making the cross bar lose the limit on the positioning plate 102, so as to facilitate the quick removal of the transverse plate 101, and thus the transparent protective cloth 8 can be retracted, which is convenient for the user to use. The right side of the sleeve 106 is movably connected through a bearing seat with an operating rod 1011. A knob 1012 is fixedly connected to the right side of the operating rod 1011. By rotating the knob 1012, the operating rod 1011 is driven to rotate, so that the operating rod 1011 presses against the sleeve 106, making the sleeve 106 and the cross bar at the bottom move to the left. While compressing the compression spring 1010, the positioning plate 102 is efficiently fixed, which is convenient for the user to use. The connection mode between the operating rod 1011 and the second clamping plate 109 is a threaded connection. Through the threaded connection method, the position of the sleeve 106 can be effectively adjusted.Thus, the position of the cross bar can be adjusted efficiently. A robotic arm 11 is provided on the back of the base 1. The robotic arm 11 is used in cooperation with the components. Mold grooves 12 are provided at the bottom of the pressing table 7 and the top of the base 1. The mold grooves 12 are used to fixedly install molds. Through the setting of the robotic arm 11, it is convenient to efficiently take out and place the components, avoiding the danger of manual taking out and the inaccuracy of the manual placement position, and improving the efficiency of component processing.

[0033] Working principle: When the user operates the single-top hydraulic press with the cross bar, the hydraulic rod 6 drives the pressing table 7 to move downward, thereby die-casting the components. At the same time, the distance between the pressing table 7 and the top of the base 1 is accurately detected by the laser rangefinder 13, so as to efficiently control the motor 93 to rotate. The motor 93 drives the worm 94 to rotate, thereby driving the worm gear 95 to rotate. The rotation of the worm gear 95 drives the winding rod 96 to rotate, so that the transparent protective cloth 8 is wound. When the laser rangefinder 13 detects that the pressing table 7 is far away from the base 1, the control device controls the motor 93 to reverse, and drives the winding rod 96 to release the transparent protective cloth 8 outward through a series of transmission mechanisms, so that when die-casting the components, the transparent protective net can provide efficient protection, effectively avoiding the splashing of the components and improving the safety of the user.

[0034] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A single-top hydraulic press for forming central air-conditioning parts, comprising: A base (1) is characterized in that: four limit rods (2) are fixedly connected to the top of the base (1); a fixed platform (3) is fixedly connected to the top of the surface of the four limit rods (2); a control box (4) is fixedly connected to the right side of the top fixed platform (3); a display (5) is arranged on the front of the fixed platform (3); a hydraulic rod (6) is fixedly installed on the top of the fixed platform (3); a pressurizing platform (7) is fixedly connected to the output end of the hydraulic rod (6); a transparent protective cloth (8) is arranged between the pressurizing platform (7) and the front of the base (1); a reeling mechanism (9) is arranged on the front of the base (1); the reeling mechanism (9) is used to reel the transparent protective cloth (8); a clamping mechanism (10) is arranged on the front of the pressurizing platform (7); the clamping mechanism (10) is used to fix the transparent protective cloth (8); a laser rangefinder (13) is fixedly installed on the left side of the base (1); and a receiver (14) used in conjunction with the laser rangefinder (13) is fixedly installed on the left side of the pressurizing platform (7).

2. A single-top hydraulic press for forming central air-conditioning parts according to claim 1, characterized in that: The winding mechanism (9) comprises a winding box (91), the winding box (91) being fixedly mounted on the front side of the base (1), a horizontal plate (92) being fixedly connected to the right side of the winding box (91), a motor (93) being fixedly mounted on the top of the horizontal plate (92) via a support frame, a worm (94) being fixedly connected to the output end of the motor (93), a worm wheel (95) being meshed on the surface of the worm wheel (94), and a winding rod (96) being fixedly connected inside the worm wheel (95).

3. A single-top hydraulic press for forming central air-conditioning parts according to claim 2, characterized in that: The surface of the winding rod (96) is fixedly connected to the transparent protective cloth (8); the top of the winding box (91) is fixedly connected to two card slots (97); the interior of the card slots (97) is slidably connected to a slide bar (98); the inner sides of the two slide bars (98) are fixedly connected to a brush (99); the brush (99) is used in conjunction with the transparent protective cloth (8).

4. A single-top hydraulic press for forming central air-conditioning parts according to claim 1, characterized in that: The clamping mechanism (10) comprises a transverse plate (101), the transverse plate (101) being fixedly mounted on the top of the transparent protective cloth (8), a plurality of positioning plates (102) being fixedly connected to the top of the transverse plate (101), and a plurality of limiting plates (103) used in conjunction with the positioning plates (102) being fixedly mounted on the front of the pressurizing platform (7).

5. A single-top hydraulic press for forming central air-conditioning parts according to claim 4, characterized in that: A short rod (104) is movably connected inside the positioning plate (102) and the limiting plate (103); a movable plate (105) is fixedly connected to the right side of the short rod (104); a sleeve (106) is fixedly connected to the top of the plurality of movable plates (105); and a round rod (107) is slidably connected inside the sleeve (106).

6. A single-top hydraulic press for forming central air-conditioning parts according to claim 4, characterized in that: A first clamping plate (108) and a second clamping plate (109) are provided on the top of the limiting plate (103), and the left side of the round rod (107) is fixedly connected to the first clamping plate (108).

7. The single-top hydraulic press for forming central air-conditioning parts according to claim 5, characterized in that: A compression spring (1010) is provided on the inner side of the sleeve (106) and the first clamping plate (108); the compression spring (1010) is sleeved on the surface of the round rod (107); the compression spring (1010) is used in conjunction with the round tube.

8. The single-top hydraulic press for forming central air-conditioning parts according to claim 5, characterized in that: The right side of the sleeve (106) is movably connected to an operating rod (1011) via a bearing seat, and the right side of the operating rod (1011) is fixedly connected to a knob (1012).

9. A single-top hydraulic press for forming central air-conditioning parts according to claim 8, characterized in that: The operating rod (1011) is connected to the second clamping plate (109) by threaded connection.

10. The single-top hydraulic press for forming central air-conditioning parts according to claim 1, characterized in that: A mechanical arm (11) is arranged on the back of the base (1), and the mechanical arm (11) is used in conjunction with the parts. A mold groove (12) is provided on the bottom of the pressurizing platform (7) and the top of the base (1), and the mold groove (12) is used to fix and install the mold.

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