Medical negative pressure tank auxiliary pressing tool

Abstract

The utility model discloses a kind of medical negative pressure tank auxiliary press-fit tool, including bottom fixed plate, outer support and inner support are equipped on the bottom fixed plate, the inner support is located in the inboard of outer support, the top of the inner support is equipped with power device, the output end of the power device is connected with upper surface press-fit device downward, lower bottom limiting device is equipped on the bottom fixed plate, the central axis of upper surface press-fit device and lower bottom limiting device is coincident, the power device drives upper surface press-fit device reciprocating motion, the lower bottom limiting device includes integrally-formed center round plate and limiting torus, the limiting torus is arranged on the circumference of center round plate, the height of the limiting torus is higher than the height of center round plate. The scheme can significantly improve the work efficiency of production personnel, and improve the quality of press-fit process.

Description

Technical Field

[0001] This utility model belongs to the field of pressing tooling technology, specifically relating to an auxiliary pressing tooling for a medical negative pressure tank. Background Technology

[0002] The existing negative pressure tank pressing process mainly relies on manual operation. In practice, one operator typically manually presses the tank down to a certain height, while another operator quickly installs the inlet and outlet valves and closes the inlet valve to maintain the negative pressure tank in a pressed state. The entire process involves many steps and requires high coordination, resulting in high labor intensity and susceptibility to human factors, leading to instability in the pressing process.

[0003] Furthermore, because the pressing process relies entirely on manual judgment, precise control of the pressing position is impossible, easily leading to incomplete pressing or over-pressurization, affecting the sealing performance and safety of the negative pressure tank. Especially in mass assembly operations, manual pressing is not only inefficient but can also cause inconsistencies in processes, impacting product quality stability. Therefore, the existing negative pressure tank pressing process has significant technical shortcomings and is no longer suitable for the current production demands for increasing automation and precision. There is an urgent need for a new pressing method or device with a reasonable structure, precise control, and the ability to replace manual pressing. Utility Model Content

[0004] To address the aforementioned problems, this utility model provides an auxiliary pressing fixture for a medical negative pressure tank, comprising a base and a bottom fixing plate. The bottom fixing plate has an outer support and an inner support, with the inner support located inside the outer support. A power device is located above the inner support, and the output end of the power device is connected downwards to an upper surface pressing device. A lower bottom limiting device is provided on the bottom fixing plate, with the central axes of the upper surface pressing device and the lower bottom limiting device coinciding. The power device drives the upper surface pressing device to reciprocate up and down. The lower bottom limiting device includes an integrally formed central circular plate and a limiting ring, with the limiting ring positioned on the circumference of the central circular plate. The height of the limiting ring is higher than the height of the central circular plate.

[0005] Preferably, the upper surface pressing device includes a power connecting plate, a connecting column, and an I-shaped pressing member connected in sequence from top to bottom. The upper part of the power connecting plate is connected to the output end of the power device. The I-shaped pressing member is arranged perpendicularly to the connecting column and the two sides of the I-shaped pressing member have an arc-shaped structure.

[0006] Preferably, the inner support includes a cylinder fixing plate and cylinder columns, the bottom of the cylinder fixing plate is provided with four cylinder columns, the cylinder columns are fixed to the bottom fixing plate, and the power device is a pressing cylinder, which is fixed to the cylinder fixing plate.

[0007] Preferably, the outer support includes a top plate and pillars, the bottom of the top plate is provided with four pillars, the pillars are fixed to the bottom fixing plate, and an electrical box is provided on one side of the outer support, the bottom of the electrical box is on the same plane as the bottom of the bottom fixing plate.

[0008] Preferably, the central circular plate has a fixing bolt hole, and a fixing bolt is threaded into the fixing bolt hole. The central circular plate is fixed to the bottom fixing plate by the fixing bolt.

[0009] The advantages of this utility model are:

[0010] 1. This solution automatically completes the pressing process by setting up a power unit to drive the upper surface pressing device, replacing manual pressing operations, reducing the labor intensity of operators, and enabling a single operator to complete the pressing and assembly of the negative pressure tank, significantly improving the work efficiency of production personnel and improving the quality of the pressing process.

[0011] 2. This solution uses a sequential connection structure of power connection plate, connecting column, and I-shaped pressure component to efficiently and directly transmit the downward pressure output by the power unit to the I-shaped pressure component. This effectively ensures the stability and continuity of the pressing force and improves the reliability of the pressing process. The I-shaped pressure component is set perpendicular to the connecting column, forming a "T"-shaped force-bearing structure, which helps maintain the stability of the pressure head during the pressing process and prevents tilting or swaying, thereby improving the pressing consistency and accuracy of the negative pressure tank.

[0012] 3. This solution effectively disperses the pressure from above during the pressing process using I-shaped pressing components, ensuring more consistent stress on the upper surface of the tank and preventing localized deformation compared to point pressing or strip pressing. Attached Figure Description

[0013] Figure 1 This is a structural diagram of the present utility model.

[0014] Figure 2 This is the main structural view of the present utility model.

[0015] Figure 3 This is a schematic diagram of the upper surface pressing device and the lower bottom surface limiting device of this utility model.

[0016] In the diagram: 1 Bottom fixing plate, 2 Upper surface pressing device, 3 Lower bottom limiting device, 4 Center circular plate, 5 Limiting ring, 6 Power connection plate, 7 Connecting column, 8 I-shaped pressing part, 9 Cylinder fixing plate, 10 Cylinder column, 11 Pressing cylinder, 12 Top plate, 13 Support column, 14 Electrical box, 15 Fixing bolt hole. Detailed Implementation

[0017] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0018] In the description of this utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0019] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Simultaneously, when an component is referred to as "fixed to" or "equipped on" another component, it can be directly on the other component or may have an intervening component present. When an component is referred to as "connected to" another component, it can be directly connected to the other component or may have an intervening component present. When an component is referred to as "fixedly connected to" another component, it can be a common fixed connection method such as welding, bolting, or gluing. In short, those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0020] Example 1, such as Figure 1-2 As shown, an auxiliary pressing fixture for a medical negative pressure canister includes a bottom fixing plate 1. An outer support and an inner support are provided on the bottom fixing plate, with the inner support located inside the outer support. A power device is located above the inner support, and the output end of the power device is connected downwards to an upper surface pressing device 2. The upper surface pressing device 2 is used to press the negative pressure canister from above. A lower bottom limiting device 3 is provided on the bottom fixing plate 1, which is used to limit the negative pressure canister from the bottom. By positioning the negative pressure canister from the bottom using the lower bottom limiting device 3, and cooperating with the upper surface pressing device 2 to apply pressure from the top, a combined upper and lower pressing structure is formed, effectively preventing the canister from moving, tilting, or sliding during the pressing process, thus enhancing structural stability.

[0021] Combination Figure 3The central axes of the upper surface pressing device 2 and the lower bottom surface limiting device 3 are aligned. The power unit drives the upper surface pressing device 2 to move up and down reciprocally, automatically completing the pressing process. This replaces the traditional manual pressing method, reducing reliance on operators and significantly improving work efficiency. The alignment of the central axes of the upper surface pressing device 2 and the lower bottom surface limiting device 3, along with precise up-and-down movement under the control of the power unit, allows for accurate control of the pressing depth and position, effectively ensuring the consistency of pressing and the stability of product quality.

[0022] The bottom limiting device 3 includes an integrally formed central circular plate 4 and a limiting ring 5. The limiting ring 5 is set on the circumference of the central circular plate 4, and its height is higher than that of the central circular plate 4. The bottom limiting device 3 adopts an integral structure of the central circular plate 4 and the higher limiting ring 5, which not only limits and positions the tank but also prevents deformation or cracking caused by uneven stress on the bottom of the tank, improving the safety of the pressing process and product protection. The central circular plate 4 has fixing bolt holes 15, with threaded fixing bolts connected to them. The central circular plate 4 is fixed to the bottom fixing plate 1 by these fixing bolts. The fixing bolt holes 15 are countersunk to prevent the fixing bolts from protruding from the bottom fixing plate 1 after tightening. By opening fixing bolt holes 15 on the central circular plate 4 and using bolts to connect it to the bottom fixing plate 1 by thread, the central circular plate 4 can be securely installed, improving the stability of the overall structure. This also facilitates future maintenance, disassembly, and component replacement, enhancing the versatility and flexibility of the tooling device.

[0023] The upper surface pressing device 2 includes a power connecting plate 6, a connecting column 7, and an I-shaped pressing component 8 connected sequentially from top to bottom. The upper part of the power connecting plate 6 is connected to the output end of the power device. The I-shaped pressing component 8 is perpendicular to the connecting column, and its two sides are arc-shaped. By setting the power connecting plate 6, connecting column 7, and I-shaped pressing component 8 in a sequential connection structure, the downward pressure output by the power device can be efficiently and directly transmitted to the I-shaped pressing component 8, effectively ensuring the stability and continuity of the pressing force and improving the reliability of the pressing process. The I-shaped pressing component 8 is perpendicular to the connecting column 7, and its overall "T"-shaped force-bearing structure helps maintain the stability of the pressure head during the pressing process, preventing tilting or swaying, thereby improving the pressing consistency and accuracy of the negative pressure tank. Negative pressure tanks are mostly circular or elliptical top covers. The arc-shaped edges on both sides of the I-shaped pressing component 8 can better fit the surface contour of the tank, increasing the contact area and making the pressing process more stable.

[0024] The inner support includes a cylinder mounting plate 9 and cylinder columns 10. Four cylinder columns 10 are located at the bottom of the cylinder mounting plate 9 and are fixed to the bottom mounting plate 1. The power unit is a pressing cylinder 11, which is fixed to the cylinder mounting plate 9. The outer support includes a top plate 12 and support columns 13. Four support columns 13 are located at the bottom of the top plate 12 and are fixed to the bottom mounting plate 1. An electrical box 14 is located on one side of the outer support, and the bottom of the electrical box 14 is on the same plane as the bottom of the bottom mounting plate 1. Both the inner and outer supports are rigid frame structures, effectively resisting the vertical loads and lateral displacements generated during the pressing process, improving overall stability and durability. The outer support mainly serves as a support and electrical installation unit. The power unit and control system are rationally distributed and do not interfere with each other, facilitating maintenance and upgrades. The electrical box 14 is on the same plane as the bottom plate, facilitating wiring consistency with the equipment operating console or control system interface.

[0025] In operation, the negative pressure tank to be pressed is placed on the limiting fixture on the bottom surface of the negative pressure tank. The equipment is then started, and the pressing cylinder 11 moves the pressing fixture on the upper surface of the negative pressure tank downwards to a fixed height, pressing the tank in place. After pressing, the inlet and outlet valves are installed. After installation, the inlet valve is closed to block the air inlet of the negative pressure tank. Once blocked, the equipment is started. The pressing cylinder 11 moves the pressing fixture on the upper surface of the negative pressure tank upwards. When the fixture reaches its highest point, the negative pressure tank is removed, completing the pressing operation.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A medical negative pressure canister auxiliary pressing tool, characterized in that: The device includes a bottom fixing plate (1), on which an outer support and an inner support are provided. The inner support is located inside the outer support. A power device is located above the inner support. The output end of the power device is connected downward to an upper surface pressing device (2). A lower bottom surface limiting device (3) is provided on the bottom fixing plate (1). The central axis of the upper surface pressing device (2) and the lower bottom surface limiting device (3) coincides. The power device drives the upper surface pressing device (2) to move up and down reciprocally. The lower bottom surface limiting device (3) includes an integrally formed central circular plate (4) and a limiting ring (5). The limiting ring (5) is located on the circumferential surface of the central circular plate (4). The height of the limiting ring (5) is higher than the height of the central circular plate (4).

2. The auxiliary pressing fixture for the medical negative pressure tank according to claim 1, characterized in that: The upper surface pressing device (2) includes a power connecting plate (6), a connecting column (7) and an I-shaped pressing piece (8) connected in sequence. The upper part of the power connecting plate (6) is connected to the output end of the power device. The I-shaped pressing piece (8) is arranged perpendicularly to the connecting column (7) and the two sides of the I-shaped pressing piece (8) are arc-shaped structures.

3. The auxiliary pressing fixture for the medical negative pressure tank according to claim 2, characterized in that: The inner support includes a cylinder fixing plate (9) and a cylinder column (10). The bottom of the cylinder fixing plate (9) is provided with four cylinder columns (10). The cylinder columns (10) are fixed on the bottom fixing plate (1). The power device is a pressing cylinder (11). The pressing cylinder (11) is fixed on the cylinder fixing plate (9).

4. The auxiliary pressing fixture for the medical negative pressure tank according to claim 3, characterized in that: The outer support includes a top plate (12) and a support column (13). The bottom of the top plate (12) is provided with four support columns (13). The support columns (13) are fixed on the bottom fixing plate (1). An electrical box (14) is provided on one side of the outer support. The bottom of the electrical box (14) is on the same plane as the bottom of the bottom fixing plate (1).

5. The auxiliary pressing fixture for the medical negative pressure tank according to claim 4, characterized in that: The central circular plate (4) has a fixing bolt hole (15), and a fixing bolt is threaded into the fixing bolt hole (15). The central circular plate (4) is fixed to the bottom fixing plate (1) by the fixing bolt.

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