Heat treatment device for space ring production

Abstract

The utility model discloses a heat treatment device for space ring production, which comprises a sealing mechanism for reducing heat loss, a guide mechanism is arranged at the top of the sealing mechanism, a lifting mechanism is arranged at the top of the guide mechanism, and a feeding mechanism which is used for bearing a space ring for heat treatment and is convenient to extract is arranged below the lifting mechanism; the lifting mechanism comprises a mounting frame, a driving gear is rotationally arranged behind the mounting frame, and a lifting motor is mounted on one side of the driving gear. The clamping block is screwed into the embedding groove, the driving gear is meshed with the spur rack to drive the bearing basket to ascend and descend, the temperature of the space ring changes slowly, cracks caused by too fast temperature reduction are avoided, meanwhile, complex parts are prevented from making contact with a high-temperature area, and the service life of the device is prolonged; and through the design that the sealing cover is arranged at the top of the furnace body, heat in the furnace is isolated while heat loss is reduced, the basket body is convenient to store, the next batch of processing can be carried out by screwing the bearing basket loaded in advance to the clamping block, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat treatment, in particular to a heat treatment device for producing spacers. Background Art

[0002] Spacer is a precision part used in bearings. Its main function is to control the axial clearance between the inner and outer rings of the bearings. Spacer heat treatment refers to a heat treatment process for bearing rings. Its purpose is to improve the hardness, toughness and wear resistance of bearing steel to ensure the service life of the bearings. Heat treatment is a metal heat processing process. It refers to a metal heat processing process in which the material is heated, kept warm and cooled in a solid state to obtain the expected structure and performance. The heat treatment process includes three main links: heating, keeping warm and cooling. These links must be closely connected without any interruption. In the heat treatment process of spacers, heating temperature, holding time and cooling method are regarded as the three most important basic process factors.

[0003] After searching, the patent publication number is "CN 115418468 A" for a heat treatment device and process for metal workpiece processing, including a supporting mechanism, a driving mechanism, a fixing mechanism, a feeding mechanism and a blowing mechanism, wherein the driving mechanism, the fixing mechanism, the feeding mechanism and the blowing mechanism are all arranged on the supporting mechanism, and the supporting mechanism includes a shell and a supporting frame, wherein the supporting frame is arranged above the shell, the supporting frame is arranged in an inverted U shape, and both ends of the supporting frame are fixedly connected to the outer wall of the shell, the driving mechanism includes a rotating assembly, a lateral movement assembly, an electromagnetic induction heater and a clamping claw, the rotating assembly is arranged at the bottom of the support frame, and the lateral movement assembly is arranged on one side of the rotating assembly.

[0004] The above technical features have the following shortcomings: the temperature required for heat treatment of metal workpieces is relatively high, and the device parts are easily affected by heat and affect their service life; at the same time, the heat loss is serious, and the processing requires a lot of energy; during batch processing, the clamping claws place the next batch of workpieces after unloading, and continuous processing cannot be carried out. Therefore, it is urgent to design a heat treatment device for spacer production to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a heat treatment device for producing spacers to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A heat treatment device for spacer production comprises a closing mechanism for reducing heat loss, a guiding mechanism is arranged on the top of the closing mechanism, a lifting mechanism is arranged on the top of the guiding mechanism, a feeding mechanism for carrying the spacers for heat treatment and facilitating extraction is arranged below the lifting mechanism; the lifting mechanism comprises a mounting frame, a driving gear is rotatably arranged at the rear of the mounting frame, a lifting motor is installed on one side of the driving gear, a rotating shaft is rotatably arranged at the bottom of the mounting frame, a clamping block is fixedly arranged at the bottom end of the rotating shaft, and a steering motor is installed at the top end of the rotating shaft.

[0008] Preferably, the closing mechanism comprises a furnace body, an operating table is arranged on the top of the furnace body, two telescopic rods are symmetrically installed on the top of the operating table, and a closing cover is arranged at the output end of the telescopic rod.

[0009] Preferably, the closing cover is slidably connected to the operating table.

[0010] Preferably, the guiding mechanism comprises an extension rod, a spur rack is fixedly provided on one side of the extension rod, and a limiting block is provided on a side of the extension rod away from the spur rack.

[0011] Preferably, the limiting block is welded to the extension rod, and its cross-sectional shape is T-shaped.

[0012] Preferably, the feeding mechanism comprises a carrying basket, a fixing seat is fixedly provided on the top of the carrying basket, and an embedding groove is provided on the top of the fixing seat.

[0013] Preferably, the embedding groove opening matches the clamping block and is provided with an inner groove having the same shape as the clamping block.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. In the utility model, the clamping block is screwed into the embedded groove, the active gear meshes with the spur rack to drive the load-bearing basket to rise and fall, and the spacer changes temperature slowly to avoid cracks caused by too fast temperature drop, which affects the quality of the finished product, and at the same time avoids complex parts from contacting the high-temperature area, thereby extending the service life of the device;

[0016] 2. In the utility model, a closed cover is provided on the top of the furnace body to reduce heat loss and isolate the heat in the furnace to facilitate the storage of the basket. The pre-loaded carrying basket can be screwed onto the clamping block to carry out the next batch of processing, thereby improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of a heat treatment device for producing a spacer ring according to the utility model;

[0018] Figure 2It is a partial cross-sectional view of a closing mechanism of a heat treatment device for producing a spacer ring according to the utility model;

[0019] Figure 3 It is a structural schematic diagram of a lifting mechanism of a heat treatment device for spacer production described in the utility model;

[0020] Figure 4 It is a front sectional view of a feeding mechanism of a heat treatment device for producing spacers described in the utility model.

[0021] In the accompanying drawings: 1. Closing mechanism; 101. Furnace body; 102. Operating table; 103. Telescopic rod; 104. Closing cover; 2. Guide mechanism; 201. Extension rod; 202. Straight rack; 203. Limit block; 3. Lifting mechanism; 301. Mounting frame; 302. Driving gear; 303. Lifting motor; 304. Rotating shaft; 305. Clamping block; 306. Steering motor; 4. Feeding mechanism; 401. Carrying basket; 402. Fixed seat; 403. Embedding groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 4 A heat treatment device for spacer production includes a closing mechanism 1 for reducing heat loss, a guide mechanism 2 is arranged on the top of the closing mechanism 1, a lifting mechanism 3 is arranged on the top of the guide mechanism 2, and a feeding mechanism 4 for carrying the spacers for heat treatment and facilitating extraction is arranged below the lifting mechanism 3.

[0024] In this embodiment: the closing mechanism 1 includes a furnace body 101, and an operating table 102 is arranged on the top of the furnace body 101. Two telescopic rods 103 are symmetrically installed on the top of the operating table 102. A closing cover 104 is arranged at the output end of the telescopic rod 103. The closing cover 104 is slidably connected to the operating table 102. The fuel burns at the bottom of the furnace body 101 to release heat. The two telescopic rods 103 on the operating table 102 shrink at the same time, driving the closing cover 104 to move to both sides. The top of the furnace body 101 is opened, and the closing cover 104 is closed to reduce heat loss. The spacer is left in the furnace body 101 for heat treatment.

[0025] In this embodiment, the guide mechanism 2 includes an extension rod 201 , a spur rack 202 is fixedly arranged behind the extension rod 201 , and a limit block 203 is welded on the extension rod 201 , and its cross-section shape is T-shaped.

[0026] In this embodiment: the lifting mechanism 3 includes a mounting frame 301, a driving gear 302 is rotatably arranged at the rear of the mounting frame 301, a lifting motor 303 is installed on one side of the driving gear 302, a rotating shaft 304 is rotatably arranged at the bottom of the mounting frame 301, a clamping block 305 is fixedly arranged at the bottom end of the rotating shaft 304, a steering motor 306 is installed at the top of the rotating shaft 304, and the opening of the embedded groove 403 matches the clamping block 305 and is provided with an inner groove with the same shape as the clamping block 305. The mounting frame 301 supports the lifting motor 303 to drive the driving gear 302 to rotate, and the meshing spur rack 202 drives the mounting frame 301 to descend along the limit block 203, and the clamping block 305 simultaneously descends until it is inserted into the embedding groove 403, and the steering motor 306 is started to drive the rotating shaft 304 to rotate, driving the clamping block 305 to rotate ninety degrees in the embedding groove 403, so that the clamping block 305 can drive the fixing seat 402 to move up and down, and the mounting frame 301 pulls up the supporting basket 401 to keep it away from the bottom of the furnace body 101, and completes the discharge.

[0027] In this embodiment: the feeding mechanism 4 includes a supporting basket 401, a fixing seat 402 is fixedly arranged on the top of the supporting basket 401, and an embedding groove 403 is arranged on the top of the fixing seat 402. The spacer is placed on the supporting basket 401, and the mounting frame 301 drives the supporting basket 401 to move down to the bottom of the furnace body 101. The rotating shaft 304 rotates and resets to disengage from the embedding groove 403, and the mounting frame 301 rises to drive the clamping block 305 to move out of the furnace body 101.

[0028] Working principle: When in use, the fuel burns at the bottom of the furnace body 101 to release heat, the spacer is placed on the carrying basket 401, the lifting motor 303 drives the active gear 302 to rotate, the meshing spur rack 202 drives the mounting frame 301 to descend along the limit block 203, the clamping block 305 synchronously descends until it is inserted into the embedding groove 403, the steering motor 306 is started to drive the rotating shaft 304 to rotate, driving the clamping block 305 to rotate ninety degrees in the embedding groove 403, so that the clamping block 305 is connected to the fixing seat 402 to drive it to move up and down, and the two telescopic rods 103 on the operating table 102 are contracted to drive the sealing The closing cover 104 moves to both sides, the top of the furnace body 101 opens, the mounting frame 301 supports the carrying basket 401 and moves down to the bottom of the furnace body 101, the rotating shaft 304 rotates and resets to disengage from the embedding groove 403, the mounting frame 301 rises and drives the clamping block 305 to move out of the furnace body 101, the closing cover 104 is closed to reduce heat loss, and the spacer remains in the furnace body 101 for heat treatment. Repeat the above steps, the mounting frame 301 pulls up the carrying basket 401 to separate it from the bottom of the furnace body 101, and the spacer cools down slowly to prevent the temperature from dropping too fast to cause cracks, which affects the quality of the finished product, and the discharge is completed at the same time.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heat treatment device for producing spacers, comprising a sealing mechanism (1) for reducing heat loss, characterized in that: The top of the closing mechanism (1) is provided with a guide mechanism (2), the top of the guide mechanism (2) is provided with a lifting mechanism (3), and the bottom of the lifting mechanism (3) is provided with a feeding mechanism (4) for carrying the spacer for heat treatment and facilitating extraction; The lifting mechanism (3) comprises a mounting frame (301), a driving gear (302) is rotatably arranged at the rear of the mounting frame (301), a lifting motor (303) is installed on one side of the driving gear (302), a rotating shaft (304) is rotatably arranged at the bottom of the mounting frame (301), a clamping block (305) is fixedly arranged at the bottom end of the rotating shaft (304), and a steering motor (306) is installed at the top end of the rotating shaft (304).

2. A heat treatment device for producing spacers according to claim 1, characterized in that: The closing mechanism (1) comprises a furnace body (101), an operating table (102) is arranged on the top of the furnace body (101), two telescopic rods (103) are symmetrically mounted on the top of the operating table (102), and a closing cover (104) is arranged at the output end of the telescopic rod (103).

3. A heat treatment device for producing spacers according to claim 2, characterized in that: The closing cover (104) is slidably connected to the operating table (102).

4. A heat treatment device for producing spacers according to claim 1, characterized in that: The guide mechanism (2) comprises an extension rod (201), a spur rack (202) is fixedly provided on one side of the extension rod (201), and a limit block (203) is provided on the side of the extension rod (201) away from the spur rack (202).

5. A heat treatment device for producing spacers according to claim 4, characterized in that: The limiting block (203) is welded to the extension rod (201), and its cross-sectional shape is T-shaped.

6. A heat treatment device for producing spacers according to claim 1, characterized in that: The feeding mechanism (4) comprises a carrying basket (401), a fixing seat (402) is fixedly arranged on the top of the carrying basket (401), and an embedding groove (403) is opened on the top of the fixing seat (402).

7. A heat treatment device for producing spacers according to claim 6, characterized in that: The opening of the embedding groove (403) matches the clamping block (305) and is provided with an inner groove having the same shape as the clamping block (305).

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