A heat treatment jig for slender metal parts

Abstract

The utility model provides a heat treatment jig for slender metal parts, and relates to the technical field of heat treatment of metal parts. A heat treatment jig for slender metal parts comprises a mounting frame and a connecting frame, wherein the mounting frame is provided with a plurality of sliding grooves in a linear array, wherein the interior of the sliding groove is slidably connected with a plurality of sliding seats, wherein one end of the sliding seat is fixedly connected with a placement plate, and one end of the sliding seat is provided with a fixing mechanism for fixing the rod-shaped parts placed inside the placement plate. The device places the rod-shaped parts on a plurality of placement plates, and the plurality of placement plates are used to evenly support the rod-shaped parts in sections, and then the rod-shaped parts are fixed by a movable splint, and the fixing socket is pulled out from the interior of the fixing socket by pulling the connecting plate, so that the sliding seat can slide freely inside the sliding groove, so as to adjust the distance value between the plurality of placement plates, and can support and lift rod-shaped parts of different length values, thereby improving the scope of application of the device.

Description

Technical Field

[0001] The utility model relates to a heat treatment jig for metal parts, in particular to a heat treatment jig for slender metal parts, belonging to the technical field of heat treatment of metal parts. Background Art

[0002] Heat treatment refers to a metal thermal processing technology in which the material is heated, kept warm and cooled in the solid state to obtain the expected structure and performance. In the process from the Stone Age to the Bronze Age and the Iron Age, the role of heat treatment has gradually been recognized by people. For some slender metal rod products, heat treatment is required to maintain high strength and wear resistance.

[0003] Chinese patent announcement number CN220376735U discloses a heat treatment fixture for slender metal parts, including a mounting frame, mounting blocks distributed in a linear array are fixedly connected to the inner walls of both sides of the mounting frame, symmetrically distributed stoppers are fixedly connected to the front of the mounting blocks, mounting grooves are provided on the front of the mounting blocks, and rotating rods are installed on the inner walls of both sides of the mounting grooves through bearings. In the utility model, the first arc-shaped support plate and the second arc-shaped support plate in the support and limiting device are used to evenly support the slender metal parts in sections, thereby avoiding the bending and deformation of the slender metal parts due to self-weight extrusion after softening by heat treatment, and the rotating rod, torsion spring, arc-shaped limit block, connecting rod and synchronous limit block are used to limit the metal parts of different diameters, thereby increasing the scope of application and improving the practical effect.

[0004] However, the inventor of the above device believes that there are certain defects. The arc-shaped support plate of the above device is fixed and is not convenient to adjust according to the length value of the rod-shaped part. When the length value of the rod-shaped part is less than the distance value between the two second arc-shaped support plates, it is not convenient to place and fix the rod-shaped part, and the adaptability is poor. For this reason, the utility model provides a heat treatment jig for slender metal parts. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the utility model is to provide a heat treatment fixture for slender metal parts in order to solve the above problems, so as to solve the problem that the arc-shaped support plate in the prior art is fixed and is not convenient to be adjusted according to the length value of the rod-shaped parts.

[0007] (II) Technical solution

[0008] The utility model is implemented through the following technical scheme: a heat treatment jig for slender metal parts, including a mounting frame and a connecting frame, the mounting frame is provided with a plurality of sliding grooves in a linear array, a plurality of sliding seats are slidably connected inside the sliding grooves, one end of the sliding seat is fixedly connected to a placement plate, one end of the sliding seat is provided with a fixing mechanism for fixing rod-shaped parts placed inside the placement plate, the sliding seat is provided with a limiting mechanism for limiting the sliding of the sliding seat inside the sliding groove, the limiting mechanism includes a connecting plate installed at the other end of the sliding seat, one side of the connecting plate is fixedly connected to a fixed plug block, the other side of the mounting frame is provided with a fixed socket, and one end of the fixed plug block is plugged into the inside of the fixed socket.

[0009] Preferably, the fixing mechanism comprises a movable clamping plate, one end of which is hinged to one end of the sliding seat through a pin shaft, and the movable clamping plate is arranged directly above the placement plate, and the placement plate can be opened to place the parts by rotating the movable clamping plate.

[0010] Preferably, a torsion spring is sleeved on the pin shaft of the movable splint, one end of the torsion spring is fixedly connected to the movable splint, and the movable splint is rotated and contracted under the action of the torsion spring, so that the parts on the placement plate are fixed by the movable splint.

[0011] Preferably, the placement plate and the movable clamping plate are both arc-shaped, and one end of the placement plate is provided with a groove adapted to the movable clamping plate. The groove facilitates one end of the movable clamping plate to be turned into the interior of the placement plate to fix the parts on the placement plate.

[0012] Preferably, a sliding cavity is opened at the other end of the sliding seat, and a connecting rod is slidably connected inside the sliding cavity. One end of the connecting rod extends to the other end of the sliding seat, and the connecting plate is fixedly connected to one end of the connecting rod. The connecting plate is installed on the other end of the sliding seat by means of the provided connecting rod.

[0013] Preferably, a fixed baffle is fixedly connected to the connecting rod, a compression spring is installed on the top of the fixed baffle, and the compression spring is sleeved on the connecting rod. By setting the fixed baffle and the compression spring, the connecting rod can be quickly driven to slide and reset through the rebound of the compression spring when it is not under force.

[0014] Preferably, there are two mounting frames, both of which are hinged to the bottom of the connecting frame via a pin, and the height of the entire device can be adjusted by adjusting the inclination angle between the two mounting frames.

[0015] Preferably, two lifting ears are fixedly connected to the top of the connecting frame, and the two lifting ears are distributed at both ends of the top of the connecting frame. The provided lifting ears facilitate lifting equipment to lift the entire device.

[0016] The utility model provides a heat treatment fixture for slender metal parts, which has the following beneficial effects:

[0017] 1. The device places the rod-shaped parts on multiple placement plates, and the multiple placement plates are used to evenly support the rod-shaped parts in sections, and then the rod-shaped parts are fixed by a movable clamp. The connecting plate is pulled to pull the fixed plug block out from the inside of the fixed plug hole, so that the sliding seat can slide freely in the sliding groove to adjust the distance between the multiple placement plates. Rod-shaped parts with different lengths can be supported and lifted, thereby improving the application range of the device.

[0018] 2. The device uses a torsion spring to automatically rotate and contract the movable clamp to fix the placement plate, and fixes rod-shaped parts of different diameters on the placement plate under the action of the groove. The overall height of the device is adjusted by adjusting the inclination angle between the two mounting frames. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0020] Figure 2 This is a three-dimensional diagram of the sliding seat structure of the utility model;

[0021] Figure 3 This is a three-dimensional diagram of the mounting frame structure of the utility model;

[0022] Figure 4 For the utility model Figure 3 A magnified schematic diagram;

[0023] Figure 5 It is a sectional stereoscopic view of the sliding cavity of the utility model.

[0024]

Main component symbol description

[0025] 1. Mounting frame; 11. Sliding groove; 12. Fixed socket; 2. Connecting frame; 21. Lifting ear; 3. Sliding seat; 4. Placement plate; 41. Groove; 5. Movable splint; 51. Torsion spring; 6. Connecting plate; 61. Fixed plug; 7. Sliding cavity; 71. Connecting rod; 72. Fixed baffle; 73. Compression spring. DETAILED DESCRIPTION

[0026] The embodiment of the utility model provides a heat treatment jig for elongated metal parts.

[0027] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5A heat treatment jig for slender metal parts includes a mounting frame 1 and a connecting frame 2. The mounting frame 1 is provided with a plurality of sliding grooves 11 in a linear array. A plurality of sliding seats 3 are slidably connected inside the sliding grooves 11. A placement plate 4 is fixedly connected to one end of the sliding seat 3. The plurality of placement plates 4 are arranged to uniformly support and hold the rod-shaped parts placed inside the placement plates 4 in sections. The distance between the placement plates 4 is adjusted by controlling the sliding seat 3 to slide inside the sliding grooves 11, so that rod-shaped parts with different lengths can be supported and held.

[0028] Please refer again Figure 1 and Figure 3 There are two mounting frames 1, and both mounting frames 1 are hinged at the bottom of the connecting frame 2 through a pin shaft. The two mounting frames 1 are rotated to flip outwards respectively so that the two mounting frames 1 are supported in an inclined state to adjust the overall height of the device. Two lifting ears 21 are fixedly connected to the top of the connecting frame 2. The two lifting ears 21 are distributed at both ends of the top of the connecting frame 2. The set lifting ears 21 facilitate the device to be lifted by a lifting equipment.

[0029] Please refer again Figure 1 and Figure 2 One end of the sliding seat 3 is provided with a fixing mechanism for fixing the rod-shaped parts placed inside the placement plate 4, and the fixing mechanism includes a movable splint 5, one end of the movable splint 5 is hinged to one end of the sliding seat 3 through a pin shaft, and the movable splint 5 is arranged directly above the placement plate 4, and a torsion spring 51 is sleeved on the pin shaft of the movable splint 5, and one end of the torsion spring 51 is fixedly connected to the movable splint 5, and the rod-shaped parts are placed inside the placement plate 4, and rotated and contracted under the internal action of the torsion spring 51, and the rod-shaped parts on the placement plate 4 are fixed by the movable splint 5, and the placement plate 4 and the movable splint 5 are both arc-shaped, and one end of the placement plate 4 is provided with a groove 41 adapted to the movable splint 5, and the movable splint 5 can be rotated toward the inside of the placement plate 4 through the opened groove 41 to fix rod-shaped parts of different diameters.

[0030] Please refer again Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5A limiting mechanism is provided on the sliding seat 3 to limit the sliding of the sliding seat 3 in the sliding groove 11. The limiting mechanism includes a connecting plate 6 installed at the other end of the sliding seat 3. A fixed plug block 61 is fixedly connected to one side of the connecting plate 6. A fixed socket 12 is provided on the other side of the mounting frame 1. One end of the fixed plug block 61 is plugged into the fixed socket 12. By inserting one end of the fixed plug block 61 into the fixed socket 12, the sliding seat 3 is limited from sliding in the sliding groove 11. By pulling the connecting plate 6 to pull one end of the fixed plug block 61 out of the fixed socket 12, the sliding seat 3 can slide freely in the sliding groove 11.

[0031] Please refer again Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The other end of the sliding seat 3 is provided with a sliding cavity 7, and the interior of the sliding cavity 7 is slidably connected with a connecting rod 71, one end of the connecting rod 71 extends to the other end of the sliding seat 3, and the connecting plate 6 is fixedly connected to one end of the connecting rod 71, and a fixed baffle 72 is fixedly connected to the connecting rod 71. A compression spring 73 is installed on the top of the fixed baffle 72, and the compression spring 73 is sleeved on the connecting rod 71. By pulling the connecting plate 6 away from the sliding seat 3, the fixed plug 61 is pulled out from the inside of the fixed socket 12, so that the sliding seat 3 slides inside the sliding groove 11, and then the connecting plate 6 is quickly driven to approach the sliding seat 3 through the rebound of the compression spring 73, so that the fixed plug 61 is automatically inserted into the inside of the fixed socket 12.

[0032] Working principle: by pulling the two mounting frames 1 apart and opening them at a certain tilt angle, and by pulling the connecting plate 6, one end of the fixed plug 61 is pulled out from the inside of the fixed socket 12, so that the sliding seat 3 can slide freely inside the sliding groove 11, and by controlling the sliding seat 3 to slide inside the sliding groove 11, the distance between each placement plate 4 can be adjusted. Multiple placement plates 4 can support and lift rod-shaped parts of different lengths, and then the rebound of the torsion spring 51 drives the movable splint 5 to flip and shrink, so that the movable splint 5 rotates inside the groove 41, and the rod-shaped parts placed on the placement plate 4 are fixed by the movable splint 5. The provided lifting ear 21 facilitates the device to be lifted by a lifting equipment.

[0033] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A heat treatment jig for elongated metal parts, comprising a mounting frame (1) and a connecting frame (2), characterized in that: The mounting frame (1) is provided with a plurality of sliding grooves (11) in a linear array, and a plurality of sliding seats (3) are slidably connected inside the sliding grooves (11). One end of the sliding seat (3) is fixedly connected to a placement plate (4), and one end of the sliding seat (3) is provided with a fixing mechanism for fixing a rod-shaped part placed inside the placement plate (4). The sliding seat (3) is provided with a limiting mechanism for limiting the sliding of the sliding seat (3) inside the sliding groove (11), and the limiting mechanism includes a connecting plate (6) installed at the other end of the sliding seat (3), and one side of the connecting plate (6) is fixedly connected to a fixed plug block (61). The other side of the mounting frame (1) is provided with a fixed socket (12), and one end of the fixed plug block (61) is inserted into the fixed socket (12).

2. A heat treatment jig for elongated metal parts according to claim 1, characterized in that: The fixing mechanism comprises a movable clamping plate (5), one end of which is hinged to one end of the sliding seat (3) via a pin, and the movable clamping plate (5) is arranged directly above the placement plate (4).

3. A heat treatment jig for elongated metal parts according to claim 2, characterized in that: A torsion spring (51) is sleeved on the pin shaft of the movable clamping plate (5), and one end of the torsion spring is fixedly connected to the movable clamping plate (5).

4. A heat treatment jig for elongated metal parts according to claim 3, characterized in that: The placement plate (4) and the movable clamping plate (5) are both in an arc shape, and one end of the placement plate (4) is provided with a groove (41) adapted to the movable clamping plate (5).

5. The heat treatment jig for elongated metal parts according to claim 1, characterized in that: The other end of the sliding seat (3) is provided with a sliding cavity (7), the interior of the sliding cavity (7) is slidably connected to a connecting rod (71), one end of the connecting rod (71) extends to the other end of the sliding seat (3), and the connecting plate (6) is fixedly connected to one end of the connecting rod (71).

6. A heat treatment jig for elongated metal parts according to claim 5, characterized in that: A fixed baffle (72) is fixedly connected to the connecting rod (71), a compression spring (73) is installed on the top of the fixed baffle (72), and the compression spring (73) is sleeved on the connecting rod (71).

7. The heat treatment jig for elongated metal parts according to claim 1, characterized in that: There are two mounting frames (1), and both mounting frames (1) are hinged to the bottom of the connecting frame (2) via a pin.

8. The heat treatment jig for elongated metal parts according to claim 1, characterized in that: The top of the connecting frame (2) is fixedly connected to two lifting ears (21), and the two lifting ears (21) are distributed at two ends of the top of the connecting frame (2).

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