Shaft part heat treatment clamp

Abstract

The utility model discloses a kind of shaft parts heat treatment clamps, it is related to heat treatment clamp field, including operation platform, the top of operation platform is equipped with motor, and the output of motor is fixed with mounting disc, the top of mounting disc is movably installed with upper cover, the inside of mounting disc and upper cover is provided with three groups of limit clamps, three groups of limit clamps are distributed in the inside of mounting disc, the limit clamp includes fixed ring and lug, the top of fixed ring is fixed with multiple groups of lug. The utility model solves the problem of low efficiency of the existing shaft parts heat treatment, three groups of limit clamps can be set to limit shaft parts, avoid the problem of falling, when heat treatment, it does not need to wait for too long time, feeding, discharging and heat treatment area, improve the working efficiency of heat treatment, when needing heat treatment, limit clamp will move downward, the bottom of shaft parts can also be heat treated.

Description

Technical Field

[0001] This utility model relates to the field of heat treatment fixtures, specifically a heat treatment fixture for shaft parts. Background Technology

[0002] Shafts are core components of mechanical transmission systems (such as motor shafts, gear shafts, crankshafts, etc.), mainly responsible for transmitting torque and supporting rotating parts. They need to have high strength, high toughness, good wear resistance, and fatigue life. Heat treatment is a key process in the manufacturing of shafts that determines their mechanical properties and service life. The appropriate process must be selected according to the material characteristics and working conditions (such as load type, speed, environmental corrosion, etc.). During the heat treatment of shafts, personnel usually place them on an operating table and then limit their position using clamps on the operating table.

[0003] Existing fixtures are inefficient during heat treatment. Typically, after heat treatment of a part, the part is removed from the worktable and placed to one side. Then, a new part is placed on the worktable from the parts stacking area. This process takes a long time. In addition, limiting the bottom of the part can lead to poor heat treatment results at the bottom of the part. Utility Model Content

[0004] Therefore, the purpose of this utility model is to provide a heat treatment fixture for shaft parts to solve the technical problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a heat treatment fixture for shaft parts, including an operating table, a motor mounted on the top of the operating table, and a mounting plate fixed to the output end of the motor. A top cover is movably mounted on the top of the mounting plate. Three sets of limiting clamps are arranged inside the mounting plate and the top cover. The three sets of limiting clamps are distributed inside the mounting plate. Each limiting clamp includes a fixing ring and a protrusion. Multiple sets of protrusions are fixed to the top of the fixing ring, and a pressing rod is fixed to the bottom of the fixing ring. Multiple sets of springs are fixed to the bottom of the fixing ring. One side of the protrusion is inclined. A fixing rod is fixed to one side of the operating table, and a limiting rod is fixed to the top of the fixing rod.

[0006] By adopting the above technical solution, the problem of low efficiency in the existing heat treatment of shaft parts is solved. The three sets of limiting clamps can limit the shaft parts and prevent them from falling. The waiting time during heat treatment is not too long. The loading, unloading and heat treatment areas are separated, which improves the efficiency of heat treatment. At the same time, the extrusion rod and the limiting rod cooperate to make it easy for the workers to remove the processed shaft parts. When heat treatment is required, the limiting clamps will move downward to heat treat the bottom of the shaft parts as well.

[0007] The present invention is further configured such that the interior of the mounting plate has multiple sets of grooves, and the inner wall of the grooves fits against the outer wall of the fixing ring, and the bottom of the top cover has multiple sets of clearance grooves.

[0008] Preferably, the retaining ring can be installed through the groove and clearance groove, allowing the retaining ring to slide inside, thereby protecting the retaining ring.

[0009] The present invention is further configured such that the top of the cover has multiple sets of sliding holes, and the inner wall of the sliding holes fits against the outer wall of the protrusion.

[0010] Preferably, the sliding hole can limit the movement direction of the protrusion, allowing the protrusion to slide inside it.

[0011] The present invention is further configured such that multiple sets of insert rods are fixed at the bottom of the upper cover, and the ends of the insert rods are arc-shaped, and multiple sets of limiting holes are opened at the top of the mounting plate.

[0012] Preferably, the upper cover is limited by the engagement of the insertion rod with the limiting hole, so that the upper cover can be removed. The arc-shaped end of the insertion rod can easily enter the interior of the limiting hole.

[0013] The present invention is further configured such that the top of the mounting plate has multiple sets of through holes, and the bottom of the upper cover has an inner groove.

[0014] Preferably, the weight of the top cover and mounting plate can be reduced by the through holes and inner grooves, thereby avoiding the problem of excessive motor load.

[0015] The present invention is further configured such that the outer walls of the mounting plate and the top cover are provided with limiting grooves, and the inner wall of the limiting grooves is in contact with the outer wall of the extrusion rod.

[0016] Preferably, the movement direction of the extrusion rod can be limited by the opening of the limiting groove, so that the extrusion rod can only move up and down inside it.

[0017] The present invention is further configured such that one side of the extrusion rod is arc-shaped and one side of the bottom of the limiting rod is inclined.

[0018] Preferably, the arc-shaped compression bar can reduce the friction when it comes into contact with the limiting bar.

[0019] The present invention is further configured such that a support ring is fixed on the top of the operating table, and the top of the support ring is arc-shaped.

[0020] Preferably, the support ring can support the bottom of the mounting plate, preventing the bottom of the support plate from being suspended and thus causing deformation of the support plate after long-term use.

[0021] The present invention is further provided that a water leakage hole is provided at the bottom end of the inner wall of the groove.

[0022] Preferably, the drainage holes prevent water from remaining inside the groove, and any water that flows into the groove will flow out through the drainage holes.

[0023] In summary, the present invention has the following main advantages: 1. This utility model solves the problem of low efficiency in the heat treatment of existing shaft parts by setting up three sets of limiting clamps, extrusion rods, and limiting rods. The three sets of limiting clamps can limit the shaft parts to prevent them from falling. During heat treatment, there is no need to wait too long for loading, unloading, and heat treatment areas, which improves the efficiency of heat treatment. At the same time, the extrusion rods and limiting rods work together to make it easy for workers to remove the processed shaft parts. When heat treatment is required, the limiting clamps will move downwards to heat treat the bottom of the shaft parts as well.

[0024] 2. The utility model features a plug rod, a limiting hole, and a through hole. The installation plate has a through hole inside, and the bottom of the top cover has an inner groove, which reduces the weight of the installation plate itself. The plug rod and limiting hole facilitate the disassembly and installation of the top cover and the replacement of springs used for a long time. The drainage hole prevents water from accumulating in the groove. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a perspective view of the installation disc of this utility model; Figure 3 This is a perspective view of the operating table of this utility model; Figure 4 This is a perspective view of the top cover of this utility model; Figure 5 This is a perspective view of the limiting clamp of this utility model.

[0026] Explanation of reference numerals in the attached figures: 1. Operating table; 11. Mounting slot; 12. Fixing rod; 13. Limiting rod; 14. Support ring; 2. Mounting plate; 21. Limiting hole; 22. Groove; 23. Drain hole; 3. Top cover; 31. Insert rod; 32. Clearance groove; 33. Sliding hole; 34. Inner groove; 4. Through hole; 5. Motor; 6. Limiting clamp; 61. Fixing ring; 62. Protrusion; 63. Spring; 7. Extrusion rod; 8. Limiting groove. Detailed Implementation

[0027] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0028] The embodiments of this utility model will be described below based on its overall structure.

[0029] Please see Figures 1-5 The system includes an operating table 1, with a mounting groove 11 on the top of the operating table 1. A motor 5 is mounted on the top of the operating table 1 and is installed inside the mounting groove 11. The output end of the motor 5 is fixed to a mounting plate 2. A top cover 3 is movably mounted on the top of the mounting plate 2. Three sets of limiting clamps 6 are provided inside the mounting plate 2 and the top cover 3. The three sets of limiting clamps 6 are distributed inside the mounting plate 2. The limiting clamps 6 include a fixing ring 61 and a protrusion 62. Multiple sets of protrusions 62 are fixed to the top of the fixing ring 61, and a pressing rod 7 is fixed to the bottom of the fixing ring 61. Multiple sets of springs 63 are fixed to the bottom of the fixing ring 61. One side of the protrusion 62 is inclined. A fixing rod 12 is fixed to one side of the operating table 1, and a limiting rod 13 is fixed to the top of the fixing rod 12.

[0030] For details regarding the above embodiments, please refer to [link / reference]. Figure 2 and Figure 4 The mounting plate 2 has multiple sets of grooves 22 inside, and the inner wall of the grooves 22 fits against the outer wall of the fixing ring 61. The bottom of the top cover 3 has multiple sets of clearance grooves 32. The fixing ring 61 can be installed through the grooves 22 and clearance grooves 32, so that the fixing ring 61 can slide inside it to protect the fixing ring 61.

[0031] For details regarding the above embodiments, please refer to [link / reference]. Figure 1 and Figure 4 The top of the cover 3 has multiple sets of sliding holes 33, and the inner wall of the sliding hole 33 fits against the outer wall of the protrusion 62. The sliding hole 33 can limit the movement direction of the protrusion 62, so that the protrusion 62 can slide inside it.

[0032] For details regarding the above embodiments, please refer to [link / reference]. Figure 2 and Figure 4 The bottom of the top cover 3 is fixed with multiple sets of insert rods 31, and the ends of the insert rods 31 are arc-shaped. The top of the mounting plate 2 is provided with multiple sets of limiting holes 21. The insert rods 31 cooperate with the limiting holes 21 to limit the top cover 3, so that the top cover 3 can be removed. The arc-shaped ends of the insert rods 31 can easily enter the interior of the limiting holes 21.

[0033] For details regarding the above embodiments, please refer to [link / reference]. Figure 2 and Figure 4The top of the mounting plate 2 has multiple sets of through holes 4, and the bottom of the top cover 3 has an inner groove 34. The weight of the top cover 3 and the mounting plate 2 can be reduced by the through holes 4 and the inner groove 34, thereby avoiding the problem of excessive load on the motor 5.

[0034] For details regarding the above embodiments, please refer to [link / reference]. Figure 2 and Figure 4 Both the mounting plate 2 and the top cover 3 have limit grooves 8 on their outer walls, and the inner wall of the limit groove 8 fits against the outer wall of the extrusion rod 7. The limit groove 8 can limit the movement direction of the extrusion rod 7, so that the extrusion rod 7 can only move up and down inside it.

[0035] For details regarding the above embodiments, please refer to [link / reference]. Figure 3 and Figure 5 The extrusion rod 7 has an arc-shaped side and the bottom of the limiting rod 13 has a sloping side. The arc-shaped extrusion rod 7 can reduce the friction when it contacts the limiting rod 13.

[0036] For details regarding the above embodiments, please refer to [link / reference]. Figure 3 The top of the operating table 1 is fixed with a support ring 14, and the top of the support ring 14 is arc-shaped. The support ring 14 can support the bottom of the mounting plate 2, preventing the bottom of the support plate 2 from being suspended and thus causing the support plate 2 to deform after long-term use. The arc-shaped support ring 14 can also reduce the friction between the support ring 14 and the bottom of the support plate 2.

[0037] For details regarding the above embodiments, please refer to [link / reference]. Figure 2 A drainage hole 23 is provided at the bottom of the inner wall of the groove 22. The drainage hole 23 can prevent water from remaining inside the groove 22. Water that flows into the groove 22 will flow out through the drainage hole 23.

[0038] In practical operation, this invention works as follows: During loading, the operator places the shaft-like part inside the protrusion 62, which limits the position of the shaft-like part. Then, the motor 5 drives the mounting plate 2 to rotate, and the mounting plate 2 and the upper cover 3 rotate simultaneously by 120°. Afterward, the motor 5 stops, rotating the shaft-like part to below the heat treatment equipment. The heat treatment equipment then heat-treats the shaft-like part. When the heating component of the heat treatment equipment moves downward, it contacts the extrusion rod 7, thus pressing the extrusion rod 7 downward. The downward movement of the extrusion rod 7 causes the fixing ring 61 to move downward, which in turn compresses the spring 63, allowing heat treatment also to be applied to the bottom of the shaft-like part. After heat treatment, the heat treatment equipment resets, and the spring 63 causes the fixing ring 61 to reset. The fixing ring 61 then moves upward, allowing the protrusion 62 to continue engaging with the shaft-like part. On the bottom outer wall, motor 5 continues to work, driving the heat-treated shaft parts to move. New shaft parts are transferred to the bottom of the heat treatment equipment. When the motor drives the mounting plate 2 to rotate, the arc-shaped side of the extrusion rod 7 contacts the inclined side of the limiting rod 13, so the limiting rod 13 will squeeze the extrusion rod 7. The extrusion rod 7 slides down the inner wall of the limiting groove 8, while squeezing the spring 63. When the extrusion rod 7 moves to the middle of the limiting rod 13, the motor stops rotating. At this time, the top of the protrusion 62 is in contact with the top of the upper cover 3, and the heated shaft parts are removed. Then the motor continues to rotate. When the extrusion rod 7 is no longer in contact with the limiting rod 13, the spring 63 will drive the protrusion 62 to reset. Then it rotates 120° and stops rotating, placing the shaft parts to be heat-treated on the top of the upper cover 3 between multiple sets of protrusions 62. By repeating the above operation steps, the purpose of processing shaft parts can be achieved.

[0039] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. A heat treatment fixture for shaft-type parts, comprising an operating table (1), characterized in that: A motor (5) is installed on the top of the operating table (1), and a mounting plate (2) is fixed at the output end of the motor (5). A top cover (3) is movably installed on the top of the mounting plate (2). Three sets of limiting clamps (6) are provided inside the mounting plate (2) and the top cover (3). The three sets of limiting clamps (6) are distributed inside the mounting plate (2). The limiting clamps (6) include a fixing ring (61) and a protrusion (62). Multiple sets of protrusions (62) are fixed on the top of the fixing ring (61), and a pressing rod (7) is fixed on the bottom of the fixing ring (61). Multiple sets of springs (63) are fixed on the bottom of the fixing ring (61). One side of the protrusion (62) is inclined. A fixing rod (12) is fixed on one side of the operating table (1), and a limiting rod (13) is fixed on the top of the fixing rod (12).

2. The heat treatment fixture for shaft parts according to claim 1, characterized in that: The mounting plate (2) has multiple sets of grooves (22) inside, and the inner wall of the groove (22) fits against the outer wall of the fixing ring (61). The bottom of the top cover (3) has multiple sets of clearance grooves (32).

3. A heat treatment fixture for shaft-type parts according to claim 2, characterized in that: The top of the cover (3) has multiple sets of sliding holes (33), and the inner wall of the sliding hole (33) is in contact with the outer wall of the protrusion (62).

4. A heat treatment fixture for shaft-type parts according to claim 1, characterized in that: The bottom of the top cover (3) is fixed with multiple sets of insert rods (31), and the ends of the insert rods (31) are arc-shaped. The top of the mounting plate (2) is provided with multiple sets of limiting holes (21).

5. A heat treatment fixture for shaft-type parts according to claim 1, characterized in that: The top of the mounting plate (2) has multiple sets of through holes (4), and the bottom of the cover (3) has an inner groove (34).

6. A heat treatment fixture for shaft-type parts according to claim 1, characterized in that: The outer walls of the mounting plate (2) and the top cover (3) are provided with limiting grooves (8), and the inner wall of the limiting grooves (8) is in contact with the outer wall of the extrusion rod (7).

7. A heat treatment fixture for shaft-type parts according to claim 1, characterized in that: The compression rod (7) is arc-shaped on one side, and the bottom of the limiting rod (13) is inclined on one side.

8. A heat treatment fixture for shaft-type parts according to claim 1, characterized in that: The top of the operating table (1) is fixed with a support ring (14), and the top of the support ring (14) is arc-shaped.

9. A heat treatment fixture for shaft-type parts according to claim 2, characterized in that: A water leakage hole (23) is provided at the bottom end of the inner wall of the groove (22).

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