Pressing device of cast iron flywheel assembly

By designing a pressing device for the cast iron flywheel assembly, automatic rapid heating and flue gas purification of the gear ring are achieved, solving the problems of high manual operation intensity and environmental pollution in the existing technology, and improving production efficiency and environmental hygiene.

CN120791374APending Publication Date: 2025-10-17WUHU DONGGUANG DAHUA MACHINERY MFG
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Patent Information

Application Number
CN202510710422.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-29
Publication Date
2025-10-17

AI Technical Summary

Technical Problem

In the prior art, the ring gear assembly equipment of the cast iron flywheel assembly requires manual participation, resulting in high labor intensity, and the smoke generated by the ring gear heating equipment pollutes the environment and endangers the health of workers.

Method used

A pressing device for a cast iron flywheel assembly was designed, which included a pressing mechanism, a heating mechanism, and a purification mechanism. The electromagnetic induction coil was used to quickly heat the gear ring and automatically drop it. A silent fan and an exhaust pipe were combined to purify the flue gas, thus realizing automated operation and flue gas purification.

Benefits of technology

It reduces the labor intensity of workers, improves the air quality of the processing environment, and realizes the automatic rapid heating of the gear ring and the purification of flue gas.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a press-fit device of a cast iron flywheel assembly, and relates to the technical field of flywheel production, the press-fit device comprises a press-fit mechanism, the press-fit mechanism comprises a 180-degree rotation press-down air cylinder and a press-down plate, the 180-degree rotation press-down air cylinder drives the press-down plate to descend, and a gear ring is automatically press-fitted to the outer edge of a flywheel disc; the heating mechanism is arranged above the pressing mechanism and comprises an electromagnetic induction coil, the gear ring is rapidly heated through the electromagnetic induction coil, and after the gear ring is heated to a preset temperature, the gear ring automatically falls to the upper side of the flywheel disc under the gear ring; and the purification mechanism is arranged above the heating mechanism and comprises a silent fan and an exhaust pipe, and smoke generated when the gear ring is heated is conveyed to an air purifier through the exhaust pipe by the silent fan. According to the gear ring hot-pressing device, the gear ring heating function and the gear ring hot-pressing function are ingeniously combined, the occupied space of equipment is reduced, the labor intensity of workers is lowered, and the air quality of the machining environment is further improved.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of flywheel production, and in particular to a pressing device for a cast iron flywheel assembly. BACKGROUND

[0002] The production process of an automobile cast iron flywheel assembly is a complex and delicate process, aiming to ensure the high quality and performance of the final product. The production process includes casting, primary processing, heat treatment, finishing, gear ring installation, dynamic balance correction, oil washing, detection and packaging.

[0003] In the prior art, a device for assembling a gear ring on a flywheel (publication number CN109967963A) is disclosed, which is an invention previously applied for and authorized by the applicant and is a gear ring pressing device actually applied by the applicant at that time. It needs to be used in cooperation with a gear ring heating device, and manual intervention is required throughout the process, for example, manual pushing of the flywheel and manual taking and placing of the gear ring (using pliers or heat-resistant gloves), so that the manual labor intensity is large. In addition, the gear ring heating device will produce harmful smoke when heating the gear ring, and if the smoke is not continuously purified, it will inevitably affect the air quality of the processing environment and the physical and mental health of the workers. SUMMARY

[0004] The purpose of the present application is to provide a pressing device for a cast iron flywheel assembly to solve the above-mentioned defects in the prior art.

[0005] A pressing device for a cast iron flywheel assembly, comprising:

[0006] A pressing mechanism, the pressing mechanism comprises a 180-degree rotating down pressure cylinder and a down pressure plate, the down pressure plate is driven to descend by the 180-degree rotating down pressure cylinder and the gear ring is automatically pressed and assembled to the outer edge of the flywheel disc;

[0007] A heating mechanism, the heating mechanism is arranged above the pressing mechanism and comprises an electromagnetic induction coil, the gear ring is quickly heated by the electromagnetic induction coil, and after being heated to a preset temperature, the gear ring automatically falls onto the upper side of the flywheel disc directly below;

[0008] A purification mechanism, the purification mechanism is arranged above the heating mechanism and comprises a silent fan and an exhaust pipe, the smoke generated when the gear ring is heated is transported to an air purifier through the exhaust pipe by the silent fan.

[0009] Preferably, the pressing mechanism further comprises a mounting table and a rodless air cylinder, the rodless air cylinder is horizontally mounted on the upper side of the mounting table, and a circular movable plate is horizontally connected to the pneumatic part of the rodless air cylinder, a positioning column is coaxially fixed to the upper side of the movable plate, and a plurality of 180-degree rotating down-pressing air cylinders are evenly distributed around the movable plate, the 180-degree rotating down-pressing air cylinders are vertically mounted on the edges of the movable plate through Z-shaped fixing plates, and T-shaped down-pressing plates are connected to the ends of the piston rods of the 180-degree rotating down-pressing air cylinders.

[0010] Preferably, the heating mechanism further comprises a mounting box and a motor, the mounting box is centrally fixed to the upper side of the mounting table through a pair of supporting pipes, a circular positioning opening is arranged in the center of the top surface of the mounting box, a pair of slide plates I are symmetrically distributed on the inner side of the positioning opening, a pair of guide rails I are symmetrically connected to the front and rear sides of the mounting box, a slide block I is slidably connected to the guide rail I, and the slide plate I is connected to the front and rear slide blocks I, a circular drop opening is arranged in the center of the bottom surface of the mounting box, a pair of slide plates II are symmetrically distributed on the inner side of the drop opening, a pair of guide rails II are symmetrically connected to the front and rear sides of the mounting box, a slide block II is slidably connected to the guide rail II, and the slide plate II is connected to the front and rear slide blocks II, the motor is located between the guide rail I and the guide rail II and is mounted on the mounting box through a motor base, a gear is keyed connected to the output end of the motor, a pair of racks are symmetrically meshed on the upper and lower sides of the gear, and the pair of racks are respectively connected to the slide plate I and the slide plate II, a plurality of electromagnetic induction coils are coaxially distributed on the inner side of the drop opening, and the two ends of the electromagnetic induction coils are connected to the high-frequency heater.

[0011] Preferably, the purification mechanism further comprises a mounting cover, the mounting cover is centrally fixed to the upper side of the mounting box, a rectangular placing opening is arranged on the front side of the mounting cover, an exhaust opening is arranged in the center of the top surface of the mounting cover, an exhaust pipe is coaxially fixed to the outer side of the exhaust opening, a right trapezoidal mounting shell is centrally mounted on the inner side of the mounting cover, a plurality of air vents are uniformly distributed on the side surface of the mounting shell, and a plurality of mute fans are correspondingly mounted on the outer side of each air vent.

[0012] Preferably, a plurality of fan-shaped taking and placing openings are symmetrically arranged on the left and right sides of the movable plate.

[0013] Preferably, a rubber pad is glued to the lower side of the down-pressing plate.

[0014] Preferably, a U-shaped guide strip is coaxially connected to the outer side of the positioning opening.

[0015] Preferably, a plurality of shielding curtains are uniformly connected to the outer side of the placing opening.

[0016] Compared with the prior art, the present application has the following advantages:

[0017] 1. The present application ingeniously optimizes the existing gear ring heating equipment and gear ring pressing equipment, and ingeniously combines the gear ring heating and gear ring hot pressing functions of the two, reduces the occupied space, and reduces the labor intensity of workers. The present application first heats the gear ring through the electromagnetic induction coil in the heating mechanism, and after heating to the preset temperature, the gear ring automatically falls to the upper side of the flywheel disc directly below, and then the 180-degree rotating down pressure cylinder in the pressing mechanism drives the down pressure plate to descend and automatically presses the gear ring to the outer edge of the flywheel disc.

[0018] 2. The present application collects the flue gas generated when heating the gear ring through the installation cover, then transports the flue gas to the air purifier through the exhaust pipe through the silent fan, and purifies the flue gas through the air purifier, thereby improving the air quality of the processing environment. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present application.

[0020] Figure 2 It is a schematic diagram of the overall front view structure of the present application.

[0021] Figure 3 It is a schematic diagram of the overall three-dimensional structure of the pressing mechanism.

[0022] Figure 4 It is a schematic diagram of the local three-dimensional structure of the pressing mechanism.

[0023] Figure 5 It is a schematic diagram of the overall first perspective structure of the pressing mechanism.

[0024] Figure 6 It is a schematic diagram of the overall second perspective structure of the pressing mechanism.

[0025] Figure 7 It is a schematic diagram of the overall three-dimensional structure of the pressing mechanism.

[0026] Figure 8 It is a schematic diagram of the overall explosion structure of the pressing mechanism.

[0027] Wherein:

[0028] 10 - pressing mechanism; 101 - mounting table; 102 - rodless cylinder; 103 - movable plate; 103a - taking and placing opening; 104 - positioning column; 105 - 180-degree rotating down pressure cylinder; 106 - fixed plate; 107 - down pressure plate; 108 - rubber pad;

[0029] 20 - heating mechanism; 201 - mounting box; 201a - positioning port; 201b - falling port; 202 - slide plate one; 203 - guide rail one; 204 - slide block one; 205 - guide strip; 206 - slide plate two; 207 - guide rail two; 208 - slide block two; 209 - motor; 210 - motor base; 211 - gear; 212 - rack; 213 - high-frequency heater; 214 - electromagnetic induction coil; 215 - support pipe;

[0030] 30 - purification mechanism; 301 - mounting cover; 301a - inlet; 301b - exhaust port; 302 - shielding curtain; 303 - mounting shell; 303a - air inlet; 304 - silent fan; 305 - exhaust pipe;

[0031] 40 - flywheel disc;

[0032] 50 - gear ring. DETAILED DESCRIPTION

[0033] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application will be further described below in conjunction with specific embodiments.

[0034] As shown in Figures 1 to 8 A pressing device of a cast iron flywheel assembly, comprising:

[0035] A pressing mechanism 10, the pressing mechanism 10 comprising a 180-degree rotating pressing cylinder 105 and a pressing plate 107, the pressing plate 107 being driven by the 180-degree rotating pressing cylinder 105 to descend and automatically press-fit a gear ring 50 to an outer edge of a flywheel disc 40;

[0036] A heating mechanism 20, the heating mechanism 20 being arranged above the pressing mechanism 10 and comprising an electromagnetic induction coil 214, the gear ring 50 being rapidly heated by the electromagnetic induction coil 214, and after being heated to a preset temperature, the gear ring 50 automatically falling onto an upper side of the flywheel disc 40 directly below;

[0037] A purification mechanism 30, the purification mechanism 30 being arranged above the heating mechanism 20 and comprising a silent fan 304 and an exhaust pipe 305, the smoke generated when the gear ring 50 is heated being transported to an air purifier through the exhaust pipe 305 by the silent fan 304.

[0038] In the embodiment, the pressing mechanism 10 further comprises a mounting table 101 and a rodless air cylinder 102, the rodless air cylinder 102 is horizontally mounted on the upper side of the mounting table 101, and a circular movable plate 103 is horizontally connected on the pneumatic part of the rodless air cylinder 102, a positioning column 104 is coaxially fixed on the upper side of the movable plate 103, a plurality of 180-degree rotary pressing cylinders 105 are arranged and evenly distributed around the movable plate 103, the 180-degree rotary pressing cylinders 105 are vertically installed on the edge of the movable plate 103 through a Z-shaped fixing plate 106, and a T-shaped pressing plate 107 is connected on the end of the piston rod of the 180-degree rotary pressing cylinder 105. The flywheel disc 40 is coaxially placed on the upper side of the movable plate 103 through the positioning column 104, and then is transferred to the lower side of the heating mechanism 20 through the rodless air cylinder 102, when the heated gear ring 50 automatically falls on the upper side of the flywheel disc 40, the pressing plate 107 is driven to fall by all the 180-degree rotary pressing cylinders 105, and the gear ring 50 is automatically pressed and mounted on the outer edge of the flywheel disc 40.

[0039] In the embodiment, the heating mechanism 20 further comprises a mounting box 201 and a motor 209, the mounting box 201 is centrally fixed to the upper side of the mounting table 101 through a pair of supporting pipes 215, the top surface of the mounting box 201 is centrally provided with a circular positioning opening 201a, and a pair of slide plates one 202 is symmetrically distributed on the inner side of the positioning opening 201a, a pair of guide rails one 203 is symmetrically connected to the front and rear sides of the slide plate one 202, a slide block one 204 is slidably connected to the guide rail one 203, and the slide plate one 202 is connected to the front and rear slide blocks one 204, the bottom surface of the mounting box 201 is centrally provided with a circular drop opening 201b, and a pair of slide plates two 206 is symmetrically distributed on the inner side of the drop opening 201b, a pair of guide rails two 207 is symmetrically connected to the front and rear sides of the slide plate two 206, a slide block two 208 is slidably connected to the guide rail two 207, and the slide plate two 206 is connected to the front and rear slide blocks two 208, the motor 209 is located between the guide rail one 203 and the guide rail two 207 and is mounted on the mounting box 201 through a motor seat 210, the output end of the motor 209 is key-connected with a gear 211, a pair of racks 212 is symmetrically meshed on the upper and lower sides of the gear 211, and the pair of racks 212 is respectively connected to the slide plate one 202 and the slide plate two 206, the electromagnetic induction coil 214 is coaxially distributed on the inner side of the drop opening 201b, and the two ends of the electromagnetic induction coil 214 are connected to the high-frequency heater 213. First, the left and right slide plates one 202 are blocked at the positioning opening 201a by the motor 209, and the left and right slide plates two 206 are opened at the drop opening 201b, the gear ring 50 is coaxially placed at the positioning opening 201a and placed on the upper side of the left and right slide plates one 202, then the left and right slide plates one 202 are opened at the positioning opening 201a by the motor 209, and the left and right slide plates two 206 are blocked at the drop opening 201b, so that the gear ring 50 automatically falls onto the upper side of the flywheel disc 40.

[0040] In the embodiment, the purifying mechanism 30 further comprises a mounting cover 301 fixed centrally on the upper side of the mounting box 201, the front side of the mounting cover 301 is provided with a rectangular placing opening 301a, the top surface of the mounting cover 301 is centrally provided with an exhaust opening 301b, an exhaust pipe 305 is coaxially fixed outside the exhaust opening 301b, and a positive frustum mounting shell 303 is centrally mounted on the inner side of the mounting cover 301, the side surface of the mounting shell 303 is uniformly provided with a plurality of air vents 303a, and a plurality of silent fans 304 are provided and correspondingly mounted outside each air vent 303a. The mounting cover 301 collects the smoke generated when the heating ring gear 50 is assembled, and then the silent fans 304 convey the smoke to the air purifier through the exhaust pipe 305.

[0041] In the embodiment, the left and right sides of the movable plate 103 are symmetrically provided with fan-shaped taking and placing openings 103a. The taking and placing openings 103a can facilitate manual taking or placing of the flywheel disc 40.

[0042] In the embodiment, the lower side of the pressing plate 107 is glued with a rubber pad 108. The rubber pad 108 can avoid leaving marks on the ring gear 50 when the ring gear 50 is pressed and assembled to the flywheel disc 40.

[0043] In the embodiment, the outer side of the positioning opening 201a is coaxially connected with a U-shaped guide strip 205. The guide strip 205 can guide the ring gear 50 to automatically slide into the positioning opening 201a.

[0044] In the embodiment, the outer side of the placing opening 301a is uniformly connected with a plurality of shielding curtains 302. The shielding curtains 302 can prevent smoke from escaping from the placing opening 301a into the processing environment.

[0045] The working principle of the pressing device of the cast iron flywheel assembly:

[0046] S1: The flywheel disc 40 is coaxially placed on the upper side of the movable plate 103 through the positioning column 104, and then transferred to the lower side of the heating mechanism 20 through the rodless cylinder 102;

[0047] S2: The left and right two sliding plates one 202 are blocked at the positioning opening 201a through the electric motor 209, and the left and right two sliding plates two 206 are opened at the falling opening 201b, the ring gear 50 is coaxially placed in the positioning opening 201a and placed on the upper side of the left and right two sliding plates one 202;

[0048] S3: through the electric motor 209 drive left and right two sliding plate 202 open at the positioning port 201a, and drive left and right two sliding plate 206 block at the falling port 201b, let the gear ring 50 automatically fall into the electromagnetic induction coil 214 and put on the upper side of left and right two sliding plate 206, then through the electromagnetic induction coil 214 quickly heat the gear ring 214, and after heating to the preset temperature, first through the electric motor 209 drive left and right two sliding plate 202 block at the positioning port 201a, and drive left and right two sliding plate 206 open at the falling port 201b, let the gear ring 50 automatically fall onto the upper side of the flywheel disc 40;

[0049] S4: through all the 180 degree rotation down pressure cylinder 105 drive down pressure plate 107 down and automatically press the gear ring 50 to the outer edge of the flywheel disc 40, get the flywheel assembly;

[0050] S5: through the rodless cylinder 102 make the flywheel assembly away from the lower of the heating mechanism 20, then manually take down the flywheel assembly.

[0051] Therefore, the above disclosed embodiments, in various aspects, are only illustrative, not the only. All changes within the scope of the present application or within the scope equivalent to the present application are included in the present application.

Claims

1. A pressing device for a cast iron flywheel assembly, characterized in that: include: A pressing mechanism (10), wherein the pressing mechanism (10) comprises a 180-degree rotating downward pressing cylinder (105) and a downward pressing plate (107), wherein the 180-degree rotating downward pressing cylinder (105) drives the downward pressing plate (107) to descend and automatically presses the gear ring (50) onto the outer edge of the flywheel disc (40); A heating mechanism (20) is provided above the pressing mechanism (10) and includes an electromagnetic induction coil (214). The gear ring (50) is rapidly heated by the electromagnetic induction coil (214), and after being heated to a preset temperature, the gear ring (50) automatically falls to the upper side of the flywheel disc (40) directly below. The purification mechanism (30) is arranged above the heating mechanism (20) and includes a silent fan (304) and an exhaust pipe (305). The smoke generated when the ring gear (50) is heated is transported to the air purifier through the exhaust pipe (305) by the silent fan (304).

2. A pressing device for a cast iron flywheel assembly according to claim 1, characterized in that: The pressing mechanism (10) also includes a mounting platform (101) and a rodless cylinder (102), wherein the rodless cylinder (102) is horizontally mounted on the upper side of the mounting platform (101), and a circular movable plate (103) is horizontally connected to its pneumatic component, a positioning column (104) is coaxially fixed on the upper side of the movable plate (103), and a plurality of 180-degree rotating downward-pressing cylinders (105) are provided and evenly distributed around the movable plate (103), and the 180-degree rotating downward-pressing cylinders (105) are vertically mounted on the edge of the movable plate (103) through a Z-shaped fixed plate (106), and a T-shaped downward-pressing plate (107) is connected to the end of its piston rod.

3. A pressing device for a cast iron flywheel assembly according to claim 2, characterized in that: The heating mechanism (20) further comprises a mounting box (201) and a motor (209), wherein the mounting box (201) is fixed centrally on the upper side of the mounting platform (101) through a pair of support tubes (215), a circular positioning opening (201a) is centrally provided on the top surface of the mounting box (201), and a pair of slide plates (202) are symmetrically distributed on the left and right sides of the inner side of the positioning opening (201a), the mounting box (201) is symmetrically connected to a pair of guide rails (203) on the front and rear sides of the slide plate (202), a slider (204) is slidably connected to the guide rail (203), and the slide plate (202) is connected to the front and rear two sliders (204), the bottom surface of the mounting box (201) is centrally provided with a circular drop opening (201b), and a pair of slide plates (206) are symmetrically distributed on the left and right sides of the inner side of the drop opening (201b), the mounting box ( 201) A pair of guide rails 2 (207) are symmetrically connected to the front and rear sides of the slide plate 2 (206); a slider 2 (208) is slidably connected to the guide rail 2 (207), and the slide plate 2 (206) is connected to the front and rear sliders 2 (208); the motor (209) is located between the guide rail 1 (203) and the guide rail 2 (207) and is installed on the installation box (201) through the motor seat (210); the output end of the motor (209) is keyed to a gear (211); a pair of racks (212) are symmetrically meshed on the upper and lower sides of the gear (211), and the pair of racks (212) are respectively connected to the slide plate 1 (202) and the slide plate 2 (206); the electromagnetic induction coil (214) is coaxially distributed on the inner side of the drop port (201b), and the two ends of the electromagnetic induction coil (214) are connected to the high-frequency heater (213).

4. A pressing device for a cast iron flywheel assembly according to claim 3, characterized in that: The purification mechanism (30) further comprises a mounting cover (301), the mounting cover (301) being fixed centrally on the upper side of the mounting box (201), a rectangular inlet (301a) being provided on the front side of the mounting cover (301), an exhaust port (301b) being provided centrally on the top surface of the mounting cover (301), and an exhaust pipe (305) being coaxially fixed to the outside of the exhaust port (301b), a mounting shell (303) in the form of a right prism being centrally mounted on the inner side of the mounting cover (301), a plurality of vents (303a) being evenly distributed on the side of the mounting shell (303), and a plurality of silent fans (304) being provided and correspondingly mounted on the outside of each vent (303a).

5. The pressing device for a cast iron flywheel assembly according to claim 2, characterized in that: The movable plate (103) is symmetrically provided with fan-shaped taking and putting openings (103a) on the left and right sides.

6. The pressing device for a cast iron flywheel assembly according to claim 2, characterized in that: A rubber pad (108) is glued to the lower side of the lower pressing plate (107).

7. The pressing device for a cast iron flywheel assembly according to claim 3, characterized in that: A U-shaped guide bar (205) is coaxially connected to the outer side of the positioning opening (201a).

8. The pressing device for a cast iron flywheel assembly according to claim 4, characterized in that: A plurality of shielding curtains (302) are evenly connected to the outside of the inlet (301a).

Citation Information

Patent Citations

  • Device for assembling ring gear on flywheel

    CN109967963A