Intake manifold split charging tool

Abstract

The invention provides an intake manifold split charging tool, and relates to the technical field of engine manufacturing, the intake manifold split charging tool comprises two groups of mounting seats, the side walls of the mounting seats are rotatably connected with rotary discs, and a mounting plate is connected between the rotary discs; the device further comprises a hydraulic clamping mechanism, the hydraulic clamping mechanism comprises multiple sets of fixing cylinders, the multiple sets of fixing cylinders are fixedly connected with the side wall of the mounting plate, the multiple sets of fixing cylinders are connected through multiple sets of communicating pipes, fixing rings are arranged in the fixing cylinders, multiple sets of sliding holes are formed in the surfaces of the fixing rings, and the sliding holes are communicated with the communicating pipes. According to the split charging tool for the intake manifold, through the multi-dimensional clamping system, all-dimensional stable constraint on the intake manifold is achieved, and the problem that the clamping stability of a traditional tool is insufficient is solved.

Description

Technical Field

[0001] This invention relates to the field of engine manufacturing technology, and more specifically, to an intake manifold assembly tooling. Background Technology

[0002] As a core component of the engine's intake system, the intake manifold plays a crucial role in evenly distributing air or combustible mixture from the throttle body to each cylinder. Its complex structure and high manufacturing precision requirements typically consist of multiple parts, including the manifold body, branch pipes, sensor interfaces, and vacuum connectors. In modern automotive manufacturing, intake manifold production employs a modular assembly process. This involves precisely positioning and connecting each sub-component on specialized tooling to assemble the entire manifold assembly. Finally, it is assembled with other engine components such as the engine block, throttle body, and fuel injection system. The advantages of this modular process include specialized production, improved assembly efficiency and product quality, easier quality inspection and process control, and a more modular production line layout. The intake manifold assembly tooling, as a key piece of equipment supporting this production process, directly impacts assembly precision, production efficiency, and manufacturing costs. It must meet technical requirements such as precise positioning, reliable clamping, ease of operation, and strong adaptability.

[0003] Existing intake manifold assembly fixtures generally suffer from insufficient clamping stability, hindering improvements in assembly quality and production efficiency. Traditional fixtures employ overly simplistic clamping methods, typically only setting clamping mechanisms on the left and right sides of the intake manifold or providing support and positioning devices on the bottom. This limited constraint approach cannot effectively control the spatial stability of the manifold during assembly. Especially during operations such as bolt tightening, connector insertion, and seal installation, the manifold is prone to displacement, rotation, or vibration, leading to decreased assembly accuracy or even assembly defects. Furthermore, to optimize airflow distribution and adapt to engine compartment layout constraints, the intake manifold's sidewall surface is usually designed with an irregular curved shape, featuring numerous bosses, grooves, reinforcing ribs, and other structural characteristics, resulting in an uneven surface. Traditional planar clamping methods struggle to achieve reliable contact and clamping, easily leading to problems such as insecure clamping, localized stress concentration, and surface damage. This not only affects the reliability of the clamping effect but may also negatively impact the manifold's surface quality. Summary of the Invention

[0004] (a) Technical problems to be solved In view of the problems existing in the prior art, the present invention provides an intake manifold assembly tool to solve the technical problems mentioned in the background art.

[0005] (II) Technical Solution To achieve the above objectives, the present invention provides the following technical solution: An intake manifold assembly fixture includes a mounting base, which has two sets. A turntable is rotatably connected to the side wall of the mounting base, and a mounting plate is connected between the turntables. The fixture also includes a hydraulic clamping mechanism, which includes multiple sets of fixed cylinders. These multiple sets of fixed cylinders are fixedly connected to the side wall of the mounting plate and connected to each other via multiple sets of connecting pipes. Each fixed cylinder contains a fixing ring with multiple sets of sliding holes on its surface, and limit rings are fixedly connected between the fixing rings.

[0006] Preferably, the mounting plate has two sets of first hydraulic cylinders on its sidewall, the telescopic ends of which are connected to first clamps, and two sets of second hydraulic cylinders on its upper surface, the telescopic ends of which are connected to second clamps.

[0007] Preferably, a push tube is slidably connected inside the fixed cylinder, and a threaded rod is threadedly connected inside the push tube. The surface of the threaded rod is provided with a hexagonal groove, and a venting groove is provided inside the threaded rod.

[0008] Preferably, a sliding frame is slidably connected inside the push tube, the sliding frame is rotatably connected to the threaded rod, a partition is provided inside the push tube, the sliding frame is slidably connected to the partition, a sliding plate is connected to the other end of the sliding frame, and a connecting groove is provided inside the sliding frame.

[0009] Preferably, the outer surface of the fixed cylinder is threaded with a threaded sleeve, the inner side wall of the threaded sleeve is slidably connected with a top ring, the lower end face of the top ring is provided with multiple sets of connecting rods, and the outer surface of the push tube is provided with multiple sets of sliding grooves adapted to the connecting rods, the connecting rods are embedded in the sliding grooves and slidably connected to the push tube.

[0010] Preferably, the other end of the connecting rod is connected to a connecting ring, the side wall of the connecting ring is provided with a connecting rope, the other end of the connecting rope is connected to a sliding sleeve, and the other side wall of the sliding sleeve is provided with a sliding rod.

[0011] Preferably, a sliding tube is slidably connected to one end of the fixed cylinder, the sliding rod is slidably connected to the sliding tube, a push spring is sleeved on the outer surface of the sliding tube, one end of the push spring is fixedly connected to the inner side wall of the fixed cylinder, and the other end is fixedly connected to the side wall of the sliding sleeve.

[0012] Preferably, the slide plate sidewall is provided with a top spring, the other end of the top spring is connected to a first sealing disc, a first hydraulic cavity is formed between the slide plate sidewall and the fixed ring sidewall, and a second hydraulic cavity is formed between the other sidewall of the fixed ring and the sliding sleeve.

[0013] Preferably, a limiting rod is connected to the other side wall of the first sealing disc, and a compression spring is sleeved on the outer surface of the limiting rod. One end of the compression spring is fixedly connected to the side wall of the first sealing disc, and the other end is fixedly connected to the side wall of the limiting ring. The limiting rod and the limiting ring are slidably connected.

[0014] Preferably, the other end of the limiting rod is connected to a second sealing disc, the other side of the second sealing disc is connected to a connecting ring, and multiple sets of flow grooves are formed on the surface of the second sealing disc.

[0015] (III) Beneficial Effects Compared with the prior art, the present invention provides an intake manifold sub-assembly fixture with the following advantages: The intake manifold sub-assembly fixture of the present invention achieves all-round stable constraint on the intake manifold through a multi-dimensional clamping system, solving the problem of insufficient clamping stability of traditional fixtures. The rotating connection design between the mounting base and the turntable provides the entire fixture with flexible posture adjustment capability. The operator can adjust the intake manifold to the optimal operating angle according to the assembly needs, improving the convenience and efficiency of the assembly operation. The first clamp driven by the first hydraulic cylinder and the second clamp driven by the second hydraulic cylinder form the main clamping force source. The hydraulic drive ensures the stable output of the clamping force, avoiding the uneven force and unstable clamping problems that may be caused by manual clamping, preventing the accidental movement and rotation of the manifold during the assembly process, and providing a reliable basic platform for the assembly operation. The application of the hydraulic drive system ensures the consistency and repeatability of the clamping force.

[0016] The hydraulic clamping mechanism of this tooling achieves adaptive clamping of the irregular sidewalls of the intake manifold through hydraulic oil flow control and mechanical transmission. The hydraulic circuit system composed of the fixed cylinder and the connecting pipe provides the fluid dynamics basis for the entire adaptive mechanism. The interconnected design between multiple sets of fixed cylinders enables free flow and pressure balance of hydraulic oil, ensuring that the extension length of each push tube can be adjusted according to different contact resistances. The cooperation between the threaded rod and the sliding frame enables pre-adjustment of the push tube extension length. Operators can make coarse adjustments based on the shape characteristics of the intake manifold, laying a good foundation for subsequent fine adjustments. The design of the first and second hydraulic chambers forms the core mechanism of pressure transmission and buffering. When the push tube is subjected to different degrees of external force, The hydraulic oil inside the cavity can automatically flow to the area with lower pressure, achieving force balance between the push tubes. The sealing and abutting mechanism between the sealing disc and the fixing ring provides a controllable isolation function for the hydraulic system. During the pre-adjustment stage, each chamber is isolated to achieve independent adjustment, and during the clamping stage, the chambers are connected to achieve coordinated action. This control method simplifies the operation complexity and improves the consistency of the clamping effect. The mechanical linkage system composed of the connecting rope and the sliding sleeve converts the pressure change of the hydraulic oil into mechanical action, realizing reliable transmission from hydraulic signal to mechanical execution, ensuring the opening and closing of the sealing mechanism and the timely switching of system state. The coordinated operation of the entire mechanism realizes the switching from manual pre-adjustment to automatic adaptation, providing a solution for clamping irregular curved surfaces. Attached Figure Description

[0017] Figure 1This is a schematic diagram of the overall structure of an intake manifold assembly tooling according to the present invention; Figure 2 This is a schematic diagram of the mounting plate and the first hydraulic cylinder in this invention; Figure 3 This is a schematic diagram of the structure of the fixed cylinder and the connecting pipe in this invention; Figure 4 This is a schematic diagram of the structure of the fixed cylinder and the push tube in this invention; Figure 5 In this invention Figure 4 A schematic diagram of the cross-sectional structure; Figure 6 This is a cross-sectional view of the push tube and threaded rod in this invention; Figure 7 This is a cross-sectional view of the fixed cylinder and the fixed ring in this invention; Figure 8 This is a schematic diagram of the threaded sleeve and connecting rod in this invention.

[0018] In the diagram: 11. Mounting base; 12. Turntable; 13. Mounting plate; 14. First hydraulic cylinder; 15. First clamp; 16. Second hydraulic cylinder; 17. Second clamp; 21. Fixed cylinder; 22. Connecting pipe; 23. Fixed ring; 24. Sliding hole; 25. Limiting ring; 26. Push pipe; 27. Threaded rod; 28. Hexagonal groove; 29. ​​Vent groove; 210. Sliding frame; 211. Partition plate; 212. Slide plate; 213. Connecting... 214. Groove; 215. Threaded sleeve; 216. Top ring; 217. Connecting rod; 218. Slide groove; 219. Connecting ring; 220. Connecting rope; 221. Sliding sleeve; 222. Slide rod; 223. Slide tube; 224. Push spring; 225. Top spring; 226. First sealing disc; 227. First hydraulic chamber; 228. Second hydraulic chamber; 229. Limiting rod; 230. Compression spring; 231. Second sealing disc; 232. Flow groove. Detailed Implementation

[0019] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0020] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0021] In this invention, unless otherwise stated, the directional terms such as "up" and "down" generally refer to the directions shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" generally refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not intended to limit this invention.

[0022] Please see Figures 1-8 An intake manifold assembly tooling includes a mounting base 11, which has two sets of mounting bases. A turntable 12 is rotatably connected to the side wall of the mounting base 11, and a mounting plate 13 is connected between the turntables 12. The side wall of the mounting plate 13 is provided with two sets of first hydraulic cylinders 14, and the telescopic ends of the first hydraulic cylinders 14 are connected to first clamps 15. The upper surface of the mounting plate 13 is provided with two sets of second hydraulic cylinders 16, and the telescopic ends of the second hydraulic cylinders 16 are connected to second clamps 17. It also includes a hydraulic clamping mechanism, which includes a fixed cylinder 21. Multiple sets of fixed cylinders 21 are fixedly connected to the side wall of the mounting plate 13. These sets of fixed cylinders 21 are connected by multiple sets of connecting pipes 22. A fixed ring 23 is provided inside the fixed cylinder 21. Multiple sets of sliding holes 24 are formed on the surface of the fixed ring 23. Limit rings 25 are fixedly connected between the fixed rings 23. A push tube 26 is slidably connected inside the fixed cylinder 21. A threaded rod 27 is threadedly connected inside the push tube 26. A hexagonal groove 28 is formed on the surface of the threaded rod 27. A vent groove 29 is formed inside the threaded rod 27. A sliding frame 2 is slidably connected inside the push tube 26. 10. The sliding frame 210 is rotatably connected to the threaded rod 27. A partition 211 is provided inside the push tube 26. The sliding frame 210 is slidably connected to the partition 211. A sliding plate 212 is connected to the other end of the sliding frame 210. A connecting groove 213 is provided inside the sliding frame 210. A threaded sleeve 214 is threadedly connected to the outer surface of the fixed cylinder 21. A top ring 215 is slidably connected to the inner side wall of the threaded sleeve 214. Multiple sets of connecting rods 216 are provided on the lower end face of the top ring 215. Multiple sets of sliding grooves 217 adapted to the connecting rods 216 are provided on the outer surface of the push tube 26. The connecting rods 216 are embedded in the sliding grooves 217 and slidably connected to the push tube 26. The connecting rods 216 are also... One end is connected to a connecting ring 218, and the side wall of the connecting ring 218 is provided with a connecting rope 219. The other end of the connecting rope 219 is connected to a sliding sleeve 220. The other side wall of the sliding sleeve 220 is provided with a sliding rod 221. One end of the fixed cylinder 21 is slidably connected to a sliding tube 222. The sliding rod 221 is slidably connected to the sliding tube 222. A push spring 223 is sleeved on the outer surface of the sliding tube 222. One end of the push spring 223 is fixedly connected to the inner side wall of the fixed cylinder 21, and the other end is fixedly connected to the side wall of the sliding sleeve 220. The side wall of the sliding plate 212 is provided with a top spring 224. The other end of the top spring 224 is connected to a first sealing disc 225. The side wall of the sliding plate 212 is connected to the fixed ring 23. A first hydraulic chamber 226 is formed between the side walls, and a second hydraulic chamber 227 is formed between the other side wall of the fixing ring 23 and the sliding sleeve 220. A limit rod 228 is connected to the other side wall of the first sealing disc 225. A compression spring 229 is sleeved on the outer surface of the limit rod 228. One end of the compression spring 229 is fixedly connected to the side wall of the first sealing disc 225, and the other end is fixedly connected to the side wall of the limit ring 25. The limit rod 228 is slidably connected to the limit ring 25. The other end of the limit rod 228 is connected to a second sealing disc 230. The other side of the second sealing disc 230 is connected to a connecting ring 218. Multiple sets of flow grooves 231 are formed on the surface of the second sealing disc 230.

[0023] This device is primarily designed for a specific type of intake manifold. First, the first hydraulic cylinder 14 and the second hydraulic cylinder 16 are activated. The first hydraulic cylinder 14 drives the first clamp 15 to unfold, and the second hydraulic cylinder 16 drives the second clamp 17 to unfold. Afterward, the operator needs to adjust the hydraulic clamping mechanism to fit the intake manifold to be clamped. Because the sidewall of the intake manifold has an irregular curved shape, the approximate position of each push tube 26 must first be adjusted so that each push tube 26 roughly matches the sidewall of the intake manifold. The first hydraulic chamber 226, the second hydraulic chamber 227, and the connecting... The pipe 22 is filled with hydraulic oil. The first hydraulic chamber 226 and the second hydraulic chamber 227 are connected. First, the operator needs to manually rotate the threaded sleeve 214. The threaded sleeve 214 moves and drives the top ring 215 to move. The top ring 215 pushes the connecting rod 216 fixedly connected below it to move together with the connecting ring 218. The connecting rod 216 slides along the slide groove 217, and then the first sealing disc 225 and the second sealing disc 230 move synchronously, so that the first sealing disc 225 abuts against the fixed ring 23 to achieve a seal. The first hydraulic chamber 226 and the second hydraulic chamber 227 are disconnected. The operator can then adjust the length of the push tube 26 to fit the irregular curved shape of the intake manifold sidewall. Using a tool inserted into the hexagonal groove 28, the operator rotates the threaded rod 27. The threaded rod 27 moves within the push tube 26, causing the sliding bracket 210 to move accordingly. The ventilation groove 29 within the threaded rod 27 and the connecting groove 213 within the sliding bracket 210 connect the top of the slide plate 212 to the outside, facilitating adjustment of the threaded rod 27. When the threaded rod 27 moves inward towards the push tube 26, it pushes the sliding bracket 210 towards the fixed cylinder 21. The sliding bracket 210 moves along the partition 21... 1. The sliding mechanism pushes the slide plate 212 along the inner wall of the push tube 26. The circular surface area of ​​the side wall of the slide plate 212 is equal to the annular surface area of ​​the lower end of the push tube 26. Therefore, the slide plate 212 moves down, causing the hydraulic oil below the slide plate 212 to be pressurized and moved to the lower part of the push tube 26, thereby pushing the push tube 26 to move upward along the fixed cylinder 21 and extending outward. When the push tube 26 needs to retract, the threaded rod 27 is rotated in the opposite direction, and the threaded rod 27 moves outward of the push tube 26, driving the sliding frame 210 and the slide plate 212 to move upward synchronously. The hydraulic oil in the first hydraulic chamber 226 is pressurized and moves from the lower part of the push tube 26 to the lower part of the slide plate 212. The push tube 26 is pressurized and moves into the fixed cylinder 21, retracting inward. The operator adjusts the extension and retraction of each set of push tubes 26 in sequence according to the shape of the intake manifold, so that the multiple sets of push tubes 26 are roughly matched with the intake manifold. After adjustment, the operator needs to manually rotate the threaded sleeve 214 in the reverse direction. The threaded sleeve 214 drives multiple sets of connecting rods 216 and connecting rings 218 to move upwards synchronously, releasing the sealing connection between the first sealing disc 225 and the fixed ring 23, so that the first hydraulic chamber 226 and the second hydraulic chamber 227 are connected again. At this time, the operator needs to place the intake manifold to be assembled on the mounting plate 13, start the first hydraulic cylinder 14 and the second hydraulic cylinder 16, drive the first clamp 15 and the second clamp 17 to clamp the surface of the intake manifold. Then the first hydraulic cylinder 14 continues to retract, so that the first clamp 15 pushes the other side wall of the intake manifold to abut and squeeze against multiple sets of push tubes 26. The length of each set of push tubes 26 is adjusted again to make them tightly abut against the side wall of the intake manifold. At this time, the longer push tubes 26 are pushed into the fixed cylinder 21. As the push tubes 26 move, the hydraulic oil in the first hydraulic chamber 226 is pressurized and flows into the second hydraulic chamber 227 through the gap between the first sealing disc 225 and the fixed ring 23. After that, the hydraulic oil... The hydraulic oil flows into the fixed cylinder 21 of other push tubes 26 that need to extend further through multiple sets of connecting pipes 22, squeezing the push tubes 26 to extend further and adapt to the corresponding intake manifold side wall position. Initially, the compression spring 229 pushes the first sealing disc 225 to maintain a distance from the fixed ring 23. After all push tubes 26 are adjusted, and there is nowhere for the hydraulic oil to flow, the sliding sleeve 220 is compressed, causing the lower connecting rod to slide downward along the slide tube 222. The push spring 223 is compressed, and during the downward movement of the sliding sleeve 220, the connecting rod... The connecting rope 219 is straightened, and then the connecting rope 219 pulls the connecting ring 218 at the other end, which drives multiple sets of connecting rods 216 and the top ring 215 to move down synchronously. The first sealing plate 225, the limiting rod 228 and the second sealing plate 230 move down accordingly, the compression spring 229 is compressed, and the first sealing plate 225 makes a sealing contact with the fixing ring 23 again. At this time, all push tubes 26 make a tight contact with the side wall of the intake manifold, and cooperate with the first clamp 15 and the second clamp 17 to achieve a stable clamping of the intake manifold. After clamping, the turntable 12 on the side wall of the mounting base 11 can drive the mounting plate 13 to rotate, which facilitates the assembly of the intake manifold by the staff. After the assembly is completed, the first hydraulic cylinder 14 and the second hydraulic cylinder 16 are activated to release the clamps of the first clamp 15 and the second clamp 17 on the intake manifold, and remove the intake manifold. This releases the pressure on the push pipe 26, and the top spring 224, the compression spring 229 and the push spring 223 all rebound, pushing all components back to their initial positions. The first hydraulic chamber 226 and the second hydraulic chamber 227 are connected again.

[0024] In all the solutions mentioned above, for connections between two components, welding, bolt and nut connection, bolt or screw connection, or other known connection methods can be selected according to the actual situation. They will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. 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 variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents. In all the solutions mentioned above, those involving the operation of electrical components, unless otherwise specified, are controlled by a controller. Since the devices matched with the controllers are common devices, their control principles and circuit connections are existing, well-known, and mature technologies, and their electrical connection relationships and specific circuit structures will not be elaborated here. Of all the solutions mentioned above, those involving motors can be combined with reducers if necessary. The connection structure and working principle between the motor and the reducer are existing known technologies and will not be elaborated upon in this invention. Of all the solutions mentioned above, those involving the connection between solar panels and batteries can be equipped with essential accessories such as inverters, battery charging controllers, cables, fuses, and brackets. Their control principles and circuit connections are all existing, well-known, and mature technologies, so their electrical connection relationships and specific circuit structures will not be elaborated here.

Claims

1. An intake manifold sub-packaging tool comprising a mounting seat (11), characterized in that: The mounting seat (11) is provided with two groups, the mounting seat (11) side wall rotationally connected with the rotating disc (12), the rotating disc (12) between the mounting plate (13) is connected, it further includes hydraulic clamping mechanism, the hydraulic clamping mechanism includes fixed cylinder (21), the fixed cylinder (21) is provided with multiple groups, multiple groups the fixed cylinder (21) with mounting plate (13) side wall fixedly connected, multiple groups the fixed cylinder (21) between by multiple groups connecting pipe (22) connection, the fixed cylinder (21) inside is equipped with fixed ring (23), the fixed ring (23) surface is set up multiple groups sliding hole (24), the fixed ring (23) between fixedly connected with the limiting ring (25).

2. The intake manifold subassembly tooling of claim 1, wherein: The mounting plate (13) side wall is equipped with two groups first hydraulic cylinder (14), the first hydraulic cylinder (14) telescopic end is connected with the first clamp (15), the mounting plate (13) upper end surface is equipped with two groups second hydraulic cylinder (16), the second hydraulic cylinder (16) telescopic end is connected with the second clamp (17).

3. The intake manifold subassembly tooling of claim 1, wherein: The fixed cylinder (21) inside slidingly connected with the push tube (26), the push tube (26) is screwed with threaded rod (27) in the thread, the threaded rod (27) surface is set up hexagonal groove (28), the threaded rod (27) is set up air groove (29) in.

4. The intake manifold subassembly tooling of claim 3, wherein: The push tube (26) inside slidingly connected with sliding frame (210), the sliding frame (210) is rotatably connected with threaded rod (27), the push tube (26) is equipped with baffle (211), the sliding frame (210) is slidably connected with baffle (211), the sliding frame (210) other end is connected with sliding plate (212), the sliding frame (210) is set up intercommunication groove (213).

5. The intake manifold subassembly tooling of claim 4, wherein: The fixed cylinder (21) outer surface is screwed with threaded sleeve (214), the threaded sleeve (214) inner side wall is slidably connected with top ring (215), the top ring (215) lower end surface is equipped with multiple groups connecting rod (216), the push tube (26) outer surface is set up multiple groups and connecting rod (216) adaptation sliding slot (217), the connecting rod (216) is embedded in sliding slot (217) and is slidably connected with push tube (26).

6. The intake manifold subassembly tooling of claim 5, wherein: The connecting rod (216) other end is connected with connecting ring (218), the connecting ring (218) side wall is equipped with connecting rope (219), the connecting rope (219) other end is connected with sliding sleeve (220), the sliding sleeve (220) other side wall is equipped with sliding rod (221).

7. The intake manifold subassembly tooling of claim 6, wherein: The fixed cylinder (21) one end slidingly connected with sliding tube (222), the sliding rod (221) is slidably connected with sliding tube (222), the sliding tube (222) outer surface is set up push spring (223), the push spring (223) one end and fixed cylinder (21) inner side wall fixedly connected, the other end and sliding sleeve (220) side wall fixedly connected.

8. The intake manifold subassembly tooling of claim 7, wherein: The side wall of the sliding plate (212) is provided with a top spring (224), one end of the top spring (224) is connected with a first sealing disc (225), a first hydraulic cavity (226) is formed between the side wall of the sliding plate (212) and the side wall of the fixing ring (23), and a second hydraulic cavity (227) is formed between the other side wall of the fixing ring (23) and the sliding sleeve (220).

9. The intake manifold subassembly tooling of claim 8, wherein: The other side wall of the first sealing disc (225) is connected with a limiting rod (228), the outer surface of the limiting rod (228) is sleeved with a compression spring (229), one end of the compression spring (229) is fixedly connected with the side wall of the first sealing disc (225), the other end is fixedly connected with the side wall of a limiting ring (25), and the limiting rod (228) is slidably connected with the limiting ring (25).

10. The intake manifold subassembly tooling of claim 9, wherein: The other end of the limiting rod (228) is connected with a second sealing disc (230), the other side of the second sealing disc (230) is connected with a connecting ring (218), and a plurality of flow-through grooves (231) are formed in the surface of the second sealing disc (230).

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