Quenching and tempering device for shaft parts

Abstract

The utility model discloses a quenching and tempering device for shaft parts, which relates to the field of quenching devices and comprises a processing barrel, the bottom wall of the processing barrel is fixedly connected with a motor, and an output shaft of the motor is in transmission connection with a threaded rod. The motor is started to drive the threaded rod to rotate, the vertical block slidably connected with the interior of the external sleeve synchronously moves downwards, and the disc at the fixed height position abuts against the vertical block to move so as to drive the ejector block to move to abut against the inner ring of the machining shaft, so that the machining shaft is more stable when penetrating through the quenching inductor for quenching machining; when a vertical block slidably connected in the external sleeve synchronously moves upwards subsequently to enable the notch to be opposite to the disc in position, a spring resets to enable the vertical block to move to enable the notch to be matched with the disc, and a top block moves towards the interior of a movable cavity to be separated from the machining shaft, so that the machining shaft is conveniently taken out subsequently; in this way, the outer surface of the machining shaft does not need to be clamped when the machining shaft is subjected to quenching machining, and the final quenching result is not affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to quenching device field, concretely relates to a shaft part quenching and tempering device. BACKGROUND

[0002] The main role of shaft parts is to support transmission parts, transmit motion and power, they bear large alternating bending stress, torsional stress and friction under working conditions, and may also be subjected to certain impact load, in order to meet the use requirement, shaft parts should have good comprehensive mechanical properties, select appropriate quenching equipment and process, strictly control the operation process, can effectively improve the performance and service life of shaft parts, shaft part quenching is an important process for improving material properties through heating, heat preservation and cooling, its main purpose is to improve the hardness and wear resistance of shaft parts, while maintaining its good toughness. In the quenching process, phase change occurs in the material, thereby significantly improving its mechanical properties.

[0003] The existing quenching device still has some problems when in use: the existing quenching device needs to use external tools to clamp the outside of the shaft part when quenching the shaft part, which makes it inconvenient for the clamping part to pass through the quenching inductor, thereby affecting the overall machining effect.

[0004] Therefore, it is necessary to invent a shaft part quenching and tempering device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a shaft part quenching and tempering device to solve the problem that the existing quenching device needs to use external tools to clamp the outside of the shaft part when quenching the shaft part, which makes it inconvenient for the clamping part to pass through the quenching inductor, thereby affecting the overall machining effect.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: a shaft part quenching and tempering device, including the processing bucket, the bottom wall of the processing bucket is fixedly connected with the motor, and the output shaft of the motor is connected with the threaded rod, and the threaded rod is connected with the external sleeve in screw thread, the outer wall of the external sleeve is fixedly sleeved with the ring block, the processing shaft is placed on the ring block, and the processing shaft is sleeved on the outside of the external sleeve and is limitedly installed through the limiting assembly, the both side walls of the external sleeve are fixedly connected with the extension rod, and the extension rod is matched with the vertical groove reserved in the processing bucket to realize sliding connection, the inner wall of the processing bucket is fixedly installed with the quenching inductor, and the quenching inductor is sleeved on the outside of the external sleeve.

[0007] Preferably, the ring block is located above the quenching inductor, and a gap exists between the outer ring of the ring block and the inner ring of the quenching inductor, and the outer ring of the ring block has a diameter larger than that of the outer ring of the machining shaft, so that the ring block and the outer sleeve can move through the quenching inductor.

[0008] Preferably, the limiting assembly comprises a movable cavity reserved in the outer sleeve, and a threaded rod is rotatably connected in the movable cavity, and a disc is fixedly connected to the upper end of the threaded rod, and the disc moves in the movable cavity, and the threaded rod is rotated to move the outer sleeve, so that the machining shaft placed on the ring block moves synchronously, facilitating subsequent quenching processing.

[0009] Preferably, the movable cavity is composed of a columnar cavity and a square cavity connected with the columnar cavity, the inner wall of the columnar cavity is in sliding connection with the annular outer wall of the disc, and the inner wall of the square cavity is in sliding connection with the outer wall of the vertical block, and four vertical blocks are arranged in the movable cavity in an annular equiangular distribution, so as to ensure the stability of the vertical block.

[0010] Preferably, the four vertical blocks are each provided with an opening, and the four openings have the same opening direction, the edge of the opening is arc-shaped, and the inner wall of the opening is in sliding connection with the outer wall of the disc, so as to facilitate the matching or separation of the disc and the opening, and further drive the vertical block and the top block to move.

[0011] Preferably, the upper end of the vertical block is fixedly connected with a top block, and the outer ring of the top block is movably sleeved with a spring, and the two ends of the spring are fixedly connected with the outer wall of the vertical block and the inner wall of the movable cavity, respectively, so as to facilitate the subsequent reset movement of the vertical block.

[0012] In the above technical scheme, the technical effects and advantages of the utility model are provided:

[0013] The utility model discloses a threaded rod is rotated by starting motor, and the position of the outer sleeve is moved up or down, wherein the vertical block slidably connected in the outer sleeve moves downward synchronously, and the disc at the fixed height position abuts against the vertical block and further drives the top block to abut against the inner ring of the machining shaft, so that the connection between the outer sleeve and the machining shaft is more firm, and the machining shaft is more stable when passing through the quenching inductor for quenching processing, and when the vertical block slidably connected in the outer sleeve moves upward synchronously, the spring resets when the opening and the disc are opposite in position, the vertical block moves to make the opening and the disc match, the top block moves to the inside of the movable cavity and separates from the machining shaft, facilitating the subsequent taking out of the machining shaft, so that the machining shaft does not need to be clamped on the outer surface during quenching processing, thereby affecting the final quenching result. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to make the technical personnel in the art better understand the technical scheme of the present application, the present application will be further described in detail below with reference to the drawings.

[0015] Figure 1 It is the overall structure perspective drawing of the present application;

[0016] Figure 2 It is the internal structure perspective drawing of the processing barrel (partially cut state) of the present application;

[0017] Figure 3 It is the internal structure perspective drawing of the external sleeve (partially cut state in horizontal direction) of the present application;

[0018] Figure 4 It is the internal structure perspective drawing of the external sleeve (partially cut state in vertical direction) of the present application;

[0019] Figure 5 It is the internal structure plan view of the external sleeve (partially cut state in horizontal direction) of the present application.

[0020] Mark explanation:

[0021] 1, processing barrel;2, quenching inductor;3, motor;4, threaded rod;5, external sleeve;6, ring block;7, limiting assembly;701, movable cavity;702, vertical block;703, top block;704, spring;705, disc;706, notch;8, extension rod;9, vertical groove;10, processing shaft. Specific implementation

[0022] In order to make the technical personnel in the art better understand the technical scheme of the present application, the present application will be further described in detail below with reference to the drawings.

[0023] The present application provides a kind of shaft parts quenching and tempering device as Figures 1-5 As shown in the figure, including processing barrel 1, the bottom wall of processing barrel 1 is fixedly connected with motor 3, and the output shaft of motor 3 is drivingly connected with threaded rod 4, and threaded rod 4 is screw connected with external sleeve 5, the outer wall of external sleeve 5 is fixedly sleeved with ring block 6, and processing shaft 10 is placed on ring block 6, and processing shaft 10 is sleeved outside external sleeve 5 and is limitedly installed with external sleeve 5 by limiting assembly 7, the two side walls of external sleeve 5 are fixedly connected with extension rod 8, and extension rod 8 is matched with vertical groove 9 reserved in the inside of processing barrel 1 to realize sliding connection, the inner wall of processing barrel 1 is fixedly installed with quenching inductor 2, and quenching inductor 2 is sleeved outside external sleeve 5.

[0024] The ring block 6 is located above the quenching inductor 2, and there is a gap between the outer circle of the ring block 6 and the inner circle of the quenching inductor 2, and the outer circle diameter of the ring block 6 is larger than the outer circle diameter of the machining shaft 10, so that the ring block 6 and the outer sleeve 5 can move through the quenching inductor 2.

[0025] In order to ensure the stability of the installation of the machining shaft 10 and the outer sleeve 5, the limiting assembly 7 is provided with a movable cavity 701 reserved in the outer sleeve 5, a threaded rod 4 is rotatably connected in the movable cavity 701, and the upper end of the threaded rod 4 is fixedly connected with a disc 705 which is movable in the movable cavity 701. The rotation of the threaded rod 4 drives the outer sleeve 5 to move, so that the machining shaft 10 placed on the ring block 6 moves synchronously, which is convenient for subsequent quenching processing. The four upright blocks 702 are provided with a gap 706, and the opening directions of the four gaps 706 are consistent. The edge of the gap 706 is arc-shaped, and the inner wall of the gap 706 is in sliding connection with the outer wall of the disc 705. The rotation of the threaded rod 4 drives the disc 705 to move. During the rotation of the threaded rod 4, the outer sleeve 5 connected with the threaded rod 4 moves, driving the built-in upright block 702 of the outer sleeve 5 to move. During the movement of the upright block 702 elastically connected with the movable cavity 701 by the spring 704, the gap 706 abuts against the disc 705 at a fixed height, driving the upright block 702 to move and the top block 703 to abut against the inner circle of the machining shaft 10 sleeved on the outer circle of the outer sleeve 5, thereby limiting the position of the machining shaft 10.

[0026] The movable cavity 701 is composed of a columnar cavity and a square cavity in communication with the columnar cavity. The inner wall of the columnar cavity is in sliding connection with the annular outer wall of the disc 705. The inner wall of the square cavity is in sliding connection with the outer wall of the upright block 702. The number of the upright blocks 702 is four, which are distributed in the movable cavity 701 in a ring shape at equal angles, ensuring the stability of the movement of the upright block 702. The upper end of the upright block 702 is fixedly connected with the top block 703, and the outer sleeve of the top block 703 is sleeved with the spring 704. The two ends of the spring 704 are fixedly connected with the outer wall of the upright block 702 and the inner wall of the movable cavity 701, respectively, facilitating the subsequent reset movement of the upright block 702.

[0027] Working principle: when using a shaft part quenching device, first, the machining shaft 10 to be processed is sleeved on the outer sleeve 5, the lower end of the machining shaft 10 abuts against the ring block 6, then the motor 3 is started to drive the rotation of the threaded rod 4, the outer sleeve 5 connected with the threaded rod 4 moves up or down under the restriction of the extension rod 8, when the threaded rod 4 rotates clockwise to drive the outer sleeve 5 to move downward, the vertical block 702 connected with the outer sleeve 5 moves downward synchronously, the notch 706 abuts against the disc 705 at a fixed height position to make the vertical block 702 move to drive the top block 703 to move, the top block 703 moves outward to abut against the inner circle of the machining shaft 10 sleeved on the outer circle of the outer sleeve 5, so that the connection between the outer sleeve 5 and the machining shaft 10 is more firm, the continuous rotation of the threaded rod 4 makes the outer sleeve 5 continuously descend to drive the machining shaft 10 to descend and pass through the quenching inductor 2 to perform quenching processing;

[0028] At the same time, when the subsequent threaded rod 4 rotates counterclockwise to drive the outer sleeve 5 to move upward, the vertical block 702 connected with the inner sleeve 5 moves upward synchronously, when the vertical block 702 moves upward to make the notch 706 abut against the disc 705, the spring 704 loses the external supporting force and starts to reset to make the vertical block 702 move to make the notch 706 match the disc 705, at this time, the top block 703 connected with the vertical block 702 moves to the inner cavity 701 to separate from the machining shaft 10, which is convenient for the subsequent taking out of the machining shaft 10.

[0029] The above only describes some exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the present application.

Claims

1. A quenching device for shaft parts, comprising a processing barrel (1), characterized in that, The bottom wall of the processing barrel (1) is fixedly connected with a motor (3), the output shaft of the motor (3) is drivingly connected with a threaded rod (4), the threaded rod (4) is in threaded connection with an external sleeve (5), the outer wall of the external sleeve (5) is fixedly sleeved with a ring block (6), the ring block (6) is placed with a processing shaft (10), the processing shaft (10) is sleeved outside the external sleeve (5) and is limitingly installed with the external sleeve (5) through a limiting assembly (7), the two side walls of the external sleeve (5) are fixedly connected with an extension rod (8), the extension rod (8) is slidably connected with a vertical groove (9) reserved in the processing barrel (1), and the inner wall of the processing barrel (1) is fixedly installed with a quenching inductor (2), and the quenching inductor (2) is sleeved outside the external sleeve (5).

2. The shaft part quenching and tempering device according to claim 1, characterized in that, The ring block (6) is located above the quenching inductor (2), and there is a gap between the outer ring of the ring block (6) and the inner ring of the quenching inductor (2), and the outer ring diameter of the ring block (6) is larger than the outer ring diameter of the processing shaft (10).

3. The shaft part quenching and tempering device according to claim 1, characterized in that, The limiting assembly (7) comprises a movable cavity (701) reserved in the external sleeve (5), the movable cavity (701) is rotatably connected with the threaded rod (4), and the upper end of the threaded rod (4) is fixedly connected with a disc (705), and the disc (705) is movable in the movable cavity (701).

4. The shaft part quenching and tempering device according to claim 3, characterized in that, The movable cavity (701) is composed of a columnar cavity and a square cavity in communication with the columnar cavity, the inner wall of the columnar cavity is in sliding connection with the annular outer wall of the disc (705), the inner wall of the square cavity is in sliding connection with the outer wall of a vertical block (702), and four vertical blocks (702) are arranged in the movable cavity (701) in an annular and equiangular manner.

5. The shaft part quenching and tempering device according to claim 4, characterized in that, The four vertical blocks (702) are each provided with an opening (706), the opening directions of the four openings (706) are consistent, the edges of the openings (706) are arc-shaped, and the inner walls of the openings (706) are in sliding connection with the outer wall of the disc (705).

6. The shaft part quenching and tempering device according to claim 5, characterized in that, The upper end of the vertical block (702) is fixedly connected with a top block (703), the outer ring of the top block (703) is movably sleeved with a spring (704), and the two ends of the spring (704) are fixedly connected with the outer wall of the vertical block (702) and the inner wall of the movable cavity (701) respectively.

Images