Carburizing and quenching equipment for bicycle chain wheel

By using a combination of electric heating wire and electromagnetic heater in the carburizing and quenching equipment for bicycle sprockets, continuous carburizing and quenching processes were achieved, solving the problem of separate operation in existing equipment and improving production efficiency.

CN223951102UActive Publication Date: 2026-02-27TIANJIN HENGPENG HEAT TREATMENT CO LTD
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Patent Information

Application Number
CN202520241106.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2026-02-27
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

The existing bicycle sprocket carburizing and quenching equipment are carried out separately, which cannot achieve rapid conversion and results in low production efficiency.

Method used

A carburizing and quenching device for bicycle chainrings was designed. After carburizing in the first tank, the chainring is directly transferred to the second tank for electromagnetic heating, and then transferred to the second tank for quenching. The continuous carburizing and quenching process is achieved by using electric heating wires and electromagnetic heaters.

Benefits of technology

It enables rapid carburizing and quenching processes for bicycle sprockets, improving production efficiency and equipment integration, and simplifying the operation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of bicycle chain wheel production, in particular to bicycle chain wheel carburizing and quenching equipment which comprises a base, a first groove body is formed in the top of the base, a heating assembly is arranged on the inner side of the first groove body, and the heating assembly comprises a stainless steel plate fixed to the inner side of the first groove body through bolts. An electric heating wire is fixed in the stainless steel plate through a bolt; the electric heating wire can heat the carburizing material and the bicycle chain wheel in the first groove body to 900-950 DEG C, carburizing is conducted on the bicycle chain wheel, the carburized bicycle chain wheel can be heated through the electromagnetic heater, the heated bicycle chain wheel is moved into clear water in the second groove body, quenching is conducted on the bicycle chain wheel, and the service life of the bicycle chain wheel is prolonged. The sliding sleeves at the two ends of the interior of the structural base are arranged on the outer sides of the transverse rods in a sleeving mode, so that the pushing assembly can move, the bicycle chain wheel can move between the first groove body and the second groove body, and the bicycle chain wheel can be directly quenched after being carburized.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a bicycle sprocket production technical field, concretely relates to a bicycle sprocket carburizing and quenching equipment. BACKGROUND

[0002] Bicycle sprocket, usually refers to the gear system on the bicycle, also called toothed disc and freewheel, the gear system is composed of front toothed disc (front sprocket) and rear freewheel (rear sprocket), they work with chain, and different speed ratio and power transmission are realized through different size of tooth number.

[0003] Bicycle sprocket needs to be carburized and quenched during production and processing to improve the toughness and plasticity of bicycle sprocket, but the existing bicycle sprocket carburizing and quenching equipment is two kinds of equipment for carburizing and quenching, and the bicycle sprocket cannot be quenched quickly after carburizing, therefore, the bicycle sprocket carburizing and quenching equipment is provided, the bicycle sprocket is directly moved to the second groove after carburizing in the first groove, heated by the electromagnetic heater, and quenched in the second groove. SUMMARY

[0004] In view of the problems in the prior art, the utility model provides a bicycle sprocket carburizing and quenching equipment, the bicycle sprocket is directly moved to the second groove after carburizing in the first groove, heated by the electromagnetic heater, and quenched in the second groove.

[0005] The utility model solves the technical problems and adopts the technical scheme of a bicycle sprocket carburizing and quenching equipment, which comprises a base, a first groove is formed in the top of the base, a heating assembly is arranged on the inner side of the first groove, the heating assembly comprises a stainless steel plate fixed on the inner side of the first groove through bolts, an electric heating wire is fixed in the stainless steel plate through bolts, a second groove is formed in the top of the base on one side of the first groove, and a moving assembly is arranged on the top of the base between the first groove and the second groove.

[0006] The moving assembly comprises a structure frame fixed on the top of the base through bolts, horizontal rods are fixed at both ends in the structure frame through bolts, a sliding sleeve is sleeved on the outer side of the horizontal rods, a structure seat is arranged on the outer side of the sliding sleeve, a pushing assembly is arranged on the top of the structure seat, the pushing assembly comprises a stand column fixed on the top of the structure seat through bolts, a top plate is welded on the top end on one side of the stand column, a gas cylinder is installed on the top plate through a mounting bracket, and a ceramic connecting rod is connected to the output shaft of the gas cylinder on the bottom of the top plate through a connecting sleeve.

[0007] By adopting the technical scheme, the electric heating wire can heat the carburizing material and the bicycle sprocket in the first groove body to 900-950 DEG C, and the bicycle sprocket is carburized, the bicycle sprocket hung on the ceramic connecting rod can be moved through the cross rod and the sliding sleeve, the carburized bicycle sprocket can be heated through the electromagnetic heater, and after heating, the bicycle sprocket is moved into the clean water in the second groove body to quench the bicycle sprocket.

[0008] Specifically, the base is fixed with a platform plate on one side through bolts, and the platform plate is provided with an electromagnetic heater on the top.

[0009] Specifically, the base is provided with a temperature controller at one end through a mounting seat, the detection end of the temperature controller is located in the stainless steel plate, and the current output end of the temperature controller is electrically connected with the current input end of the electric heating wire through a power line.

[0010] Specifically, the inside of the stainless steel plate outside the electric heating wire is filled with magnesium oxide powder.

[0011] Specifically, the ceramic connecting rod is connected with a hanging rod at the bottom end outside through a threaded groove.

[0012] Specifically, the second groove body is connected with a drain valve at one end outside the base through a pipeline.

[0013] The beneficial effects of the utility model are as follows:

[0014] The bicycle sprocket can be hung on the ceramic connecting rod through the setting of the hanging rod, the ceramic connecting rod can be moved up and down through the opening of the air cylinder, the sliding sleeve at both ends in the structure seat is sleeved outside the cross rod, the pushing assembly can be moved, and thus the bicycle sprocket can be moved between the first groove body and the second groove body, so that the bicycle sprocket can be directly quenched after carburizing.

[0015] The electric heating wire can heat the carburizing material and the bicycle sprocket in the first groove body to 900-950 DEG C, and the bicycle sprocket is carburized, the carburized bicycle sprocket can be heated through the electromagnetic heater, and after heating, the bicycle sprocket is moved into the clean water in the second groove body to quench the bicycle sprocket. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model is further explained in connection with the drawings and examples.

[0017] Figure 1 It is the whole structure schematic view of the utility model;

[0018] Figure 2 It is the moving assembly structure schematic view of the utility model;

[0019] Figure 3 This is a schematic diagram of the material pushing component structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the heating component structure of this utility model;

[0021] In the diagram: 1. Base; 2. First trough; 3. Second trough; 4. Moving assembly; 401. Structural frame; 402. Crossbar; 403. Sliding sleeve; 404. Structural seat; 5. Pushing assembly; 501. Column; 502. Top plate; 503. Cylinder; 504. Ceramic connecting rod; 505. Hanging rod; 6. Heating assembly; 601. Stainless steel plate; 602. Electric heating wire; 603. Magnesium oxide powder; 7. Platform plate; 8. Electromagnetic heater; 9. Temperature controller; 10. Drain valve. Detailed Implementation

[0022] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0023] After carburizing in the first tank, the bicycle chainring is directly transferred to the second tank for heating via an electromagnetic heater, and then transferred to the second tank for quenching. Figures 1-4 As shown, the bicycle chain wheel carburizing and quenching equipment of this utility model includes a base 1, a first groove 2 is provided on the top of the base 1, a heating component 6 is provided inside the first groove 2, the heating component 6 includes a stainless steel plate 601 fixed to the inside of the first groove 2 by bolts, an electric heating wire 602 is fixed inside the stainless steel plate 601 by bolts, a second groove 3 is provided on the top of the base 1 on one side of the first groove 2, and a moving component 4 is provided on the top of the base 1 on the first groove 2 and the second groove 3.

[0024] The movable component 4 includes a structural frame 401 fixed to the top of the base 1 by bolts. A crossbar 402 is fixed to both ends of the internal structure frame 401 by bolts. A sliding sleeve 403 is fitted onto the outer side of the crossbar 402. A structural seat 404 is provided on the outer side of the sliding sleeve 403. A pushing component 5 is provided on the top of the structural seat 404. The pushing component 5 includes a column 501 fixed to the top of the structural seat 404 by bolts. A top plate 502 is welded to the top of one side of the column 501. A cylinder 503 is mounted on the top of the top plate 502 via a mounting bracket. The output shaft of the cylinder 503 located at the bottom of the top plate 502 is connected to a ceramic connecting rod 504 via a connecting sleeve.

[0025] In use, the electric heating wire 602 can heat the carburizing material and the bicycle chain wheel in the first groove body 2 to 900-950 degrees Celsius, and the bicycle chain wheel hung on the ceramic connecting rod 504 can be moved through the cross rod 402 and the sliding sleeve 403, and the carburized bicycle chain wheel can be heated through the electromagnetic heater 8, and after heating, it is moved to the second groove body 3 in the clean water to quench the bicycle chain wheel.

[0026] As shown in the example, Figure 1 The utility model also includes that one side of base 1 is fixed with platform plate 7 through bolt, the top of platform plate 7 is provided with electromagnetic heater 8.

[0027] In use, the electromagnetic heater 8 is used for heating the bicycle chain wheel.

[0028] As shown in the example, Figure 1 , Figure 4 The utility model also includes that one end of base 1 is installed with temperature controller 9 through mounting seat, and the detection end of temperature controller 9 is located inside stainless steel plate 601, and the current output end of temperature controller 9 is connected with the current input end of electric heating wire 602 through power line.

[0029] In use, the electric heating wire 602 heating and its heating temperature can be controlled through temperature controller 9.

[0030] As shown in the example, Figure 4 The utility model also includes that the inside of the outside of stainless steel plate 601 is filled with magnesium oxide powder 603.

[0031] In use, the magnesium oxide powder 603 plays the role of insulation and heat conduction.

[0032] As shown in the example, Figure 3 The utility model also includes that the bottom end of the outside of ceramic connecting rod 504 is connected with hanging rod 505 at equal intervals through thread groove.

[0033] In use, the setting of hanging rod 505 facilitates the bicycle chain wheel to be hung on the ceramic connecting rod 504.

[0034] As shown in the example, Figure 1 The utility model also includes that one end of the outside of second groove body 3 is connected with drain valve 10 through pipeline.

[0035] In use, the clean water in the second groove body 3 can be discharged by opening the drain valve 10.

[0036] The utility model discloses a device for the car chain wheel carburizing, which comprises a first groove body 2, a second groove body 3, a ceramic connecting rod 504, a gas cylinder 503, a hanging rod 505, a electromagnetic heater 8, a temperature controller 9, an electric heating wire 602 and a magnesium oxide powder 603.

[0037] Opening the gas cylinder 503 pushes the ceramic connecting rod 504 to move down, and the bicycle chain wheel hung on the outside is inserted into the carburizing material in the first groove body 2. The electric heating wire 602 is heated by the temperature controller 9, and the magnesium oxide powder 603 conducts the temperature of the electric heating wire 602 to the stainless steel plate 601. The carburizing material and the bicycle chain wheel in the first groove body 2 are heated. When the temperature is heated to 900-950 degrees Celsius, the active carbon atoms decomposed from the carburizing material penetrate into the surface layer of the bicycle chain wheel, so that the bicycle chain wheel obtains higher hardness.

[0038] After the carburizing is completed, the gas cylinder 503 drives the bicycle chain wheel on the ceramic connecting rod 504 to move up, and the structure seat 404 is pushed by the cross rod 402 and the sliding sleeve 403. The vertical column 501 and the top plate 502 are moved to the side of the second groove body 3. The gas cylinder 503 pushes the bicycle chain wheel to move to the heating position of the electromagnetic heater 8. The electromagnetic heater 8 heats the bicycle chain wheel. After the bicycle chain wheel is heated to the quenching temperature, the gas cylinder 503 is opened again to push the bicycle chain wheel to move down, so that it is inserted into the clean water in the second groove body 3, and the bicycle chain wheel is quenched.

[0039] The above shows and describes the basic principle, main features and advantages of the utility model. The skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A carburizing and quenching apparatus for a bicycle sprocket wheel, characterized by, The utility model provides a kind of heating device, including base (1), the first slot (2) is opened in the top of base (1), heating assembly (6) is arranged in the inside of first slot (2), the heating assembly (6) includes stainless steel plate (601) by bolt fixed in the inside of first slot (2), electric heating wire (602) is fixed in the inside of stainless steel plate (601) by bolt, the second slot (3) is opened in the top of base (1) on the side of first slot (2), moving assembly (4) is arranged in the top of base (1) on the side of first slot (2) and second slot (3); The moving assembly (4) includes structure frame (401) by bolt fixed on the top of base (1), the both ends of structure frame (401) are fixed with crossbar (402) in the inside, the crossbar (402) is equipped with sliding sleeve (403) outside, structure seat (404) is arranged outside sliding sleeve (403), push material assembly (5) is arranged on the top of structure seat (404), the push material assembly (5) includes stand column (501) by bolt fixed on the top of structure seat (404), top plate (502) is welded on the top end of one side of stand column (501), air cylinder (503) is installed on the top of top plate (502) by mounting bracket, ceramic connecting rod (504) is connected by connecting sleeve on the output shaft of air cylinder (503) on the bottom of top plate (502).

2. A carburizing and quenching apparatus for a bicycle chain wheel according to claim 1, wherein The base (1) is fixed with a platform plate (7) on one side by a bolt, and the platform plate (7) is provided with an electromagnetic heater (8) on the top.

3. A carburizing and quenching apparatus for a bicycle chain wheel according to claim 1, wherein The base (1) is installed with a temperature controller (9) at one end through a mounting seat, the detection end of the temperature controller (9) is located in the inside of the stainless steel plate (601), and the current output end of the temperature controller (9) is electrically connected with the current input end of the electric heating wire (602) through a power line.

4. A carburizing and quenching apparatus for a bicycle chain wheel according to claim 1, wherein The inside of the stainless steel plate (601) outside the electric heating wire (602) is filled with magnesium oxide powder (603).

5. A carburizing and quenching apparatus for a bicycle chain wheel according to claim 1, wherein The ceramic connecting rod (504) is connected with a hanging rod (505) at the bottom end outside through a thread groove.

6. A carburizing and quenching apparatus for a bicycle chain wheel according to claim 1, wherein The second slot (3) is connected with a drain valve (10) through a pipeline at one end outside the base (1).