Automatic casting mechanism for centrifugal casting of cylinder sleeve

Abstract

The utility model discloses an automatic casting mechanism for centrifugal casting of a cylinder sleeve, which relates to the technical field of cylinder sleeves, and is technically characterized by comprising a casting pipe and a casting tank communicated with the casting pipe, an electric valve is mounted in the casting pipe, an annular mounting groove is formed in the casting tank, and an annular marking ring is mounted in the annular mounting groove; an annular sleeve is mounted outside the casting tank, and an annular base plate is mounted in the annular sleeve; the automatic casting device has the technical effects that automatic casting is achieved, molten liquid with the liquid level height is the casting amount of one cylinder sleeve, quantitative casting is achieved, the cast cylinder sleeves are consistent in specification and size, and meanwhile the annular sleeve prevents the molten liquid from overflowing; the electric push rod pushes the sealing cover through the connecting frame until the sealing cover is tightly attached to the opening of the centrifugal tank, so that the opening of the centrifugal tank can be automatically sealed, and troubles caused by manual sealing are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cylinder liner, concretely to automatic casting mechanism of cylinder liner centrifugal casting. BACKGROUND

[0002] The cylinder liner is a cylindrical part, which is placed in the cylinder body hole of the machine body, and is fixed by the cylinder cover. The centrifugal casting is a technology and method for injecting liquid metal into a rotating cavity to fill the cavity and form a casting under the action of centrifugal force.

[0003] However, the automatic casting mechanism of the cylinder liner centrifugal casting is not convenient for quantitative delivery of molten liquid during use, which affects the size of the cast cylinder liner. Therefore, a new type of automatic casting mechanism of cylinder liner centrifugal casting is proposed. UTILITY MODEL CONTENT

[0004] (I) Technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides an automatic casting mechanism of cylinder liner centrifugal casting, which solves the problem that the automatic casting mechanism of the cylinder liner centrifugal casting is not convenient for quantitative delivery of molten liquid during use, which affects the size of the cast cylinder liner.

[0006] (II) Technical scheme

[0007] To achieve the above purpose, the utility model provides the following technical scheme: an automatic casting mechanism of cylinder liner centrifugal casting, comprising a casting pipe and a casting pot connected to the casting pipe,

[0008] An electric valve is installed in the casting pipe, an annular mounting groove is formed in the casting pot, and an annular marker ring is installed in the annular mounting groove;

[0009] An annular sleeve is installed outside the casting pot, and an annular backing plate is installed in the annular sleeve;

[0010] An installation opening is formed in the annular sleeve, a temperature sensor is installed in the installation opening, and a control system is provided outside the temperature sensor.

[0011] Preferably, a base is provided below the casting pipe, an arcuate seat is installed on the base, a first bearing is installed in the arcuate seat, and a centrifugal pot is installed in the first bearing;

[0012] A sealing structure is installed on the base, the sealing structure comprises a vertical plate, an electric push rod, a connecting frame and a sealing cover;

[0013] The vertical plate is installed on the base, the electric push rod is installed on the vertical plate, the connecting frame is installed on the output end of the electric push rod, and the sealing cover is installed on the connecting frame;

[0014] The connecting frame is provided with sliding blocks on both sides, and the sealing cover is provided with an annular sliding groove.

[0015] The pouring pipe is installed on the connecting frame, the second bearing is installed in the through hole reserved on the sealing cover, and the pouring pipe is installed in the second bearing.

[0016] Preferably, the centrifugal tank is connected with a gear shaft, and the gear shaft is externally engaged with a gear belt.

[0017] Preferably, the centrifugal tank is provided with a threaded groove, and the gear shaft is provided with a bolt which is sleeved in the threaded groove.

[0018] Preferably, the sealing cover is provided with an annular insert, and the centrifugal tank is provided with an annular cavity outside the opening.

[0019] Preferably, the base is provided with universal wheels at the bottom of four corners.

[0020] (Three) beneficial effects

[0021] Compared with the prior art, the automatic pouring mechanism for the centrifugal pouring of the cylinder sleeve has the following beneficial effects:

[0022] 1. The device pours the molten liquid into the pouring tank and the pouring pipe from the outside, and when the liquid level of the pouring tank rises to the position close to the annular mark ring, the temperature sensor can detect the temperature, and the temperature sensor will output a switch signal, which is used to control the opening of the electric valve in the automatic control system. At this time, the molten liquid with the liquid level height can be automatically poured, and the molten liquid with the liquid level height is the casting amount of a cylinder sleeve, so that the cylinder sleeve with the same size can be cast.

[0023] 2. The annular sleeve prevents the molten liquid from overflowing, the annular pad plate is deviated towards the pouring tank opening, the molten liquid is accumulated in the annular sleeve, the electric push rod pushes the sealing cover through the connecting frame until the sealing cover is tightly attached to the centrifugal tank opening, the centrifugal tank opening can be automatically closed, and the trouble caused by manual closing is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0024] Fig. 1 It is a structural schematic view of the utility model;

[0025] Fig. 2 It is a structural schematic view of the gear shaft, the bolt and the threaded groove of the utility model;

[0026] Fig. 3 It is a structural schematic view of the sealing cover and the annular insert of the utility model;

[0027] Fig. 4The utility model discloses a pouring pot, annular sleeve and annular backing plate structure schematic diagram.

[0028] Fig. 5 The utility model discloses electric valve, temperature sensor and control system structure schematic diagram.

[0029] In the drawing:

[0030] 1, base;

[0031] 2, universal wheel;

[0032] 3, arcuate seat;

[0033] 4, sealing structure, 401, vertical board, 402, electric push rod, 403, connecting frame, 404, sealing cover, 5, first bearing;

[0034] 6, centrifugal tank;

[0035] 7, gear shaft;

[0036] 8, gear belt;

[0037] 9, threaded groove;

[0038] 10, bolt;

[0039] 11, sliding block;

[0040] 12, annular sliding slot;

[0041] 13, pouring pipe;

[0042] 14, second bearing;

[0043] 15, pouring pot;

[0044] 16, electric valve;

[0045] 17, annular sleeve;

[0046] 18, annular backing plate;

[0047] 19, annular mounting groove;

[0048] 20, annular marker ring;

[0049] 21, annular insert;

[0050] 22, annular cavity;

[0051] 23, temperature sensor;

[0052] 24, control system. DETAILED DESCRIPTION

[0053] In the utility model, in the case that no opposite statement is made, the orientation such as "upper, lower" is usually for the direction shown in the drawing or for the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is usually for the left and right shown in the drawing; "inner, outer" refers to the inner and outer of the contour of each component itself, but the above orientation words are not used to limit the utility model.

[0054] The utility model provides a technical scheme:

[0055] Please refer to Figs. 1-5 The automatic casting mechanism of the cylinder liner centrifugal casting comprises a casting pipe 13 and a casting tank 15 connected to the casting pipe 13, the casting pipe 13 is in L shape, the lower part of the casting pipe 13 is in the shape of a funnel,

[0056] An electric valve 16 is installed in the casting pipe 13, an annular mounting groove 19 is formed in the casting tank 15, an annular marker ring 20 is installed in the annular mounting groove 19, and the annular marker ring 20 is made of alumina fiber with a temperature resistance of 1700 degrees;

[0057] An annular sleeve 17 is installed outside the casting tank 15, and an annular backing plate 18 is installed in the annular sleeve 17;

[0058] An installation opening is formed in the annular sleeve 17, a temperature sensor 23 is installed in the installation opening, and a control system 24 is arranged outside the temperature sensor 23;

[0059] The molten liquid is poured into the casting tank 15 and enters the casting pipe 13, when the liquid level of the casting tank 15 rises to the position close to the annular marker ring 20, the temperature sensor 23 can detect the temperature, and the temperature sensor 23 will output a switching signal, which is used to control the opening of the electric valve 16 in the automatic control system 24, at this time, the molten liquid with the liquid level height can be automatically casted, and the molten liquid is the casting amount of one cylinder liner, so that the cylinder liner with the same size can be casted through quantitative casting;

[0060] The annular sleeve 17 prevents the molten liquid from overflowing, and the annular backing plate 18 is deviated from the opening of the casting tank 15, so that the molten liquid is accumulated in the annular sleeve 17.

[0061] Further, a base 1 is arranged below the casting pipe 13, an arcuate seat 3 is installed on the base 1, a first bearing 5 is installed in the arcuate seat 3, and a centrifugal tank 6 is installed in the first bearing 5, so that the centrifugal tank 6 stably rotates in the arcuate seat 3 on the base 1 without deviation;

[0062] A sealing structure 4 is installed on the base 1, and the sealing structure 4 comprises a vertical plate 401, an electric push rod 402, a connecting frame 403 and a sealing cover 404;

[0063] The vertical plate 401 is installed on the base 1, the electric push rod 402 is installed on the vertical plate 401, the electric push rod 402 is connected with electricity and works, the connecting frame 403 is installed on the output end of the electric push rod 402, and the sealing cover 404 is installed on the connecting frame 403; the sealing cover 404 is consistent in size with the centrifugal tank 6;

[0064] The electric push rod 402 drives the sealing cover 404 to move forward through the connecting frame 403 until the sealing cover 404 is tightly attached to the opening of the centrifugal tank 6, so that the opening of the centrifugal tank 6 can be automatically closed, and the trouble caused by manual closing is avoided.

[0065] The connecting frame 403 is provided with sliding blocks 11 on both sides, and the sealing cover 404 is provided with an annular sliding groove 12, the sliding blocks 11 are respectively slidably connected in the annular sliding groove 12, and lubricating oil is added between the sliding blocks 11 and the annular sliding groove 12; in the process that the sealing cover 404 rotates with the centrifugal tank 6, the annular sliding groove 12 slides along the sliding blocks 11 on the connecting frame 403.

[0066] The pouring pipe 13 is installed on the connecting frame 403, the second bearing 14 is installed in the through hole reserved in the sealing cover 404, the second bearing 14 is a sealed bearing, the pouring pipe 13 is installed in the second bearing 14, and the sealing cover 404 rotates on the pouring pipe 13 through the second bearing 14; and the molten liquid in the pouring pipe 13 is discharged into the centrifugal tank 6 to perform centrifugation and make a cylinder sleeve.

[0067] Further, the centrifugal tank 6 is connected with a gear shaft 7, the gear shaft 7 is connected with a gear belt 8 in meshing manner outside, and external power (for example, a motor, and the motor is installed on the base 1) drives the gear shaft 7 to rotate through the gear belt 8, so that the centrifugal tank 6 rotates.

[0068] Further, the centrifugal tank 6 is provided with a threaded groove 9, and the gear shaft 7 is provided with a bolt 10, the bolt 10 is sleeved in the threaded groove 9, and the rotating direction of the gear shaft 7 is consistent with the tightening direction of the bolt 10 screwed into the threaded groove 9.

[0069] The bolt 10 on the gear shaft 7 is screwed into the threaded groove 9 on the centrifugal tank 6, so that the gear shaft 7 is conveniently installed on the centrifugal tank 6.

[0070] Further, the sealing cover 404 is provided with an annular insert 21, and the opening of the centrifugal tank 6 is provided with an annular cavity 22, when the sealing cover 404 covers the centrifugal tank 6, the annular insert 21 is inserted into the annular cavity 22, so that the sealing cover 404 better seals the centrifugal tank 6.

[0071] Further, the base 1 is provided with universal wheels 2 at four corners of the bottom end, the universal wheels 2 are selected to be self-locking type, the base 1 moves to a specified position through the universal wheels 2, and then the universal wheels 2 are locked.

[0072] In specific use, the working principle of the utility model is as follows:

[0073] Before use:

[0074] Artificial push base 1, base 1 through the universal wheel 2, the whole body moves to the designated location, and then locks the universal wheel 2, and the external power is fixedly installed on the base 1, so that the bolt 10 on the gear shaft 7 is screwed into the threaded groove 9 on the centrifugal tank 6, the gear shaft 7 is installed on the centrifugal tank 6, and the gear belt 8 is connected between the gear shaft 7 and the external power.

[0075] In use:

[0076] Spray release agent in the centrifugal tank 6, the electric push rod 402 pushes the sealing cover 404 through the connecting frame 403 until it is tightly attached to the mouth of the centrifugal tank 6, so that the mouth of the centrifugal tank 6 can be automatically closed, and when the sealing cover 404 covers the centrifugal tank 6, the annular insert 21 is inserted into the annular cavity 22, so that the sealing cover 404 better seals the centrifugal tank 6.

[0077] The external power drives the gear shaft 7 to rotate through the gear belt 8, so that the centrifugal tank 6 stably rotates in the arched seat 3 on the base 1 through the first bearing 5, and the annular sliding groove 12 slides along the sliding block 11 on the connecting frame 403, while the sealing cover 404 rotates on the casting pipe 13 through the second bearing 14.

[0078] When casting:

[0079] The external molten liquid is poured into the casting tank 15 and enters the casting pipe 13, and when the liquid level of the casting tank 15 rises to the position near the annular mark ring 20, the liquid is stopped, and the temperature sensor 23 can detect the temperature, and the temperature sensor 23 will output a switch signal, which is used in the automatic control system 24 to control the opening of the electric valve 16. At this time, automatic casting can be realized, and the liquid level of the molten liquid is the casting amount of a cylinder sleeve. Quantitative casting makes the size of the cast cylinder sleeve consistent.

[0080] During centrifugation;

[0081] The annular sleeve 17 prevents the molten liquid from overflowing, and the annular backing plate 18 is biased towards the mouth of the casting tank 15 to avoid the accumulation of molten liquid in the annular sleeve 17.

[0082] Through the cooperation of the temperature sensor 23, the electric valve 16 and the control system 24, the device can automatically cast, and the liquid level of the molten liquid is the casting amount of a cylinder sleeve. Quantitative casting, especially solves the problem of not convenient quantitative delivery of molten liquid in traditional devices.

[0083] In summary, the automatic pouring mechanism of the cylinder liner centrifugal casting realizes automatic pouring through a series of innovative designs, and the liquid level of the molten liquid is the casting amount of one cylinder liner, and the quantitative pouring makes the sizes of the cast cylinder liners consistent.

[0084] The above are only specific embodiments of the present application, but the technical features of the present application are not limited thereto. Any simple change, equivalent replacement or modification made on the basis of the present application to solve the same technical problem and achieve the same technical effect is included in the protection scope of the present application.

Claims

1. An automatic casting mechanism for centrifugal casting of a cylinder liner, comprising a casting pipe (13) and a casting pot (15) connected to the casting pipe (13), characterized in that: an electric valve (16) is installed in the casting pipe (13), and an annular installation groove (19) is formed in the casting pot (15), and an annular marker ring (20) is installed in the annular installation groove (19); An annular sleeve (17) is installed outside the casting pot (15), and an annular backing plate (18) is installed in the annular sleeve (17); An installation port is formed in the annular sleeve (17), and a temperature sensor (23) is installed in the installation port, and a control system (24) is arranged outside the temperature sensor (23). A base (1) is arranged below the casting pipe (13), an arcuate seat (3) is installed on the base (1), a first bearing (5) is installed in the arcuate seat (3), and a centrifugal pot (6) is installed in the first bearing (5); 2. The automatic casting mechanism for centrifugal casting of a cylinder liner according to claim 1, characterized by: A sealing structure (4) is installed on the base (1), and the sealing structure (4) comprises a vertical plate (401), an electric push rod (402), a connecting frame (403), and a sealing cover (404); The vertical plate (401) is installed on the base (1), the electric push rod (402) is installed on the vertical plate (401), the connecting frame (403) is installed on the output end of the electric push rod (402), and the sealing cover (404) is installed on the connecting frame (403); Sliding blocks (11) are arranged on both sides of the connecting frame (403), and an annular sliding groove (12) is formed in the sealing cover (404), and the sliding blocks (11) are respectively and slidingly connected in the annular sliding groove (12); The casting pipe (13) is installed on the connecting frame (403), a second bearing (14) is installed in a through hole reserved in the sealing cover (404), and the casting pipe (13) is installed in the second bearing (14). A gear shaft (7) is connected to the centrifugal pot (6), and a gear belt (8) is engaged with the gear shaft (7).

3. The automatic casting mechanism for centrifugal casting of a cylinder liner according to claim 2, characterized by: A threaded groove (9) is formed in the centrifugal pot (6), a bolt (10) is installed on the gear shaft (7), and the bolt (10) is sleeved in the threaded groove (9).

4. The automatic casting mechanism for centrifugal casting of a cylinder liner according to claim 3, characterized by: An annular insert (21) is installed on the sealing cover (404), and an annular cavity (22) is formed outside the mouth of the centrifugal pot (6).

5. The automatic casting mechanism for centrifugal casting of a cylinder liner according to claim 2, characterized by: Universal wheels (2) are respectively arranged at the bottom corners of the base (1).

6. The automatic casting mechanism for centrifugal casting of a cylinder liner according to claim 2, characterized by: ​

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