Workpiece frame for heat treatment cooling

Abstract

The workpiece frame for heat treatment cooling comprises a fixed bottom plate and universal wheels fixedly connected to the corners of the bottom end of the fixed bottom plate, supporting stand columns are fixedly connected to the four corners of the top end of the fixed bottom plate, and bearing plates are fixedly connected to the outer sides of the four supporting stand columns at equal intervals; a containing frame is movably clamped in the bearing plate, check blocks are symmetrically and fixedly connected to the two sides of the containing frame, containing assemblies are fixedly connected to the interior of the containing frame at equal intervals, guide assemblies are fixedly connected to the bottom ends of the containing assemblies, and a driving assembly is fixedly connected to the inner side of the containing frame. According to the device, a placed workpiece can be supported, the contact position of the top of a rotary supporting arc plate and the workpiece can be changed through rotation of the rotary supporting arc plate, and the rotary supporting arc plate can be gradually separated from the workpiece along with the change of the rotation angle, so that a movable supporting plate makes contact with the workpiece; and cold air or cooling liquid can make full contact with the workpiece, and the cooling quality is guaranteed.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of heat processing auxiliary equipment, in particular to a workpiece rack for heat treatment cooling. BACKGROUND

[0002] Heat treatment is a process method for changing the organizational structure and performance of materials (usually metals) by heating, holding and cooling, etc., mainly used for improving the strength, hardness, toughness, wear resistance, corrosion resistance and other performances of materials to meet the requirements of different engineering applications on material performance. Through heat treatment, the metal parts can maintain certain toughness while obtaining higher strength and hardness, thereby improving their carrying capacity and service life. The workpiece after heat treatment needs to be cooled, and the workpiece is usually supported and placed on the workpiece rack to keep the workpiece in a stable position during the cooling process to prevent the workpiece from deforming, damaging or colliding with each other.

[0003] The traditional workpiece rack is mainly composed of metal pipes or profiles welded or assembled into a frame structure, usually including horizontal support beams and vertical columns. The workpiece is in fixed contact with the workpiece rack, so that the contact part cannot be in full contact with the cooling liquid or cold air, resulting in poor cooling effect. The heat dissipation is slow at the place in contact with the workpiece rack, which affects the overall cooling quality and cooling speed. SUMMARY

[0004] In order to improve the cooling effect and reduce the slow cooling caused by the workpiece rack, the application provides a workpiece rack for heat treatment cooling.

[0005] The workpiece rack for heat treatment cooling provided by the application adopts the following technical scheme:

[0006] A workpiece rack for heat treatment cooling, comprising a fixed bottom plate and a universal wheel fixedly connected to the bottom end corner position of the fixed bottom plate, four corner positions at the top end of the fixed bottom plate are fixedly connected with support columns, and a supporting plate is fixedly connected with the outer sides of the four support columns at equal intervals, an placing frame is movably clamped in the inside of the supporting plate, a stop block is fixedly connected with the two sides of the placing frame symmetrically, a placing assembly is fixedly connected with the inside of the placing frame at equal intervals, a guide assembly is fixedly connected with the bottom end of the placing assembly, and a driving assembly is fixedly connected with the inside of the placing frame. The device can support the placed workpiece, and the contact position between the top of the rotating support arc plate and the workpiece can be changed by rotating the rotating support arc plate. With the change of the rotating angle, the rotating support arc plate gradually separates from the workpiece, the moving supporting plate contacts the workpiece, the contact position between the workpiece and the workpiece rack changes during the cooling process, the cold air or the cooling liquid can fully contact the workpiece, the cooling effect is improved, and the cooling quality is guaranteed.

[0007] Preferably, the placing assembly comprises a plurality of fixed shafts, the plurality of fixed shafts are symmetrically and fixedly connected to the inside of the placing frame, rotating support arc plates are movably connected to the outside of the fixed shafts, a plurality of limiting plates are symmetrically and fixedly connected to the inner side walls of the placing frame, lifting rails are movably connected between limiting plates in the same group, connecting plates are fixedly connected to the two ends of the lifting rails, and mobile supporting plates are fixedly connected to the top ends of the connecting plates, the mobile supporting plates and the rotating support arc plates can alternately support different positions of the workpiece, so that the contact position between the workpiece frame and the workpiece changes, and the overall heat dissipation of the workpiece is facilitated.

[0008] Preferably, a V-shaped groove is formed in the middle of the top end of the lifting rail, and the inner side surface of the lifting rail is in contact connection with the bottom end surface of the rotating support arc plate, the V-shaped groove is arranged to guide the rotating support arc plate during the lifting of the mobile supporting plate, the rotating support arc plate is rotated, and the contact position between the top of the rotating support arc plate and the workpiece is changed, and the height of the mobile supporting plate is changed.

[0009] Preferably, the guiding assembly comprises a fixed plate, the fixed plate is fixedly connected to the bottom end of the lifting rail, an installation frame is fixedly connected to the middle of the bottom end of the fixed plate, and a rotating wheel is rotatably connected to the inside of the installation frame, so that when the rotating wheel is in contact with the mobile supporting plate, the force conversion is smoother.

[0010] Preferably, the driving assembly comprises fixed vertical plates, the fixed vertical plates are symmetrically and fixedly connected to the inside of the placing frame, limiting grooves are formed in the inner side walls of the two fixed vertical plates, guiding plates are slidably connected to the insides of the two limiting grooves, a mobile top plate is fixedly connected between the two guiding plates, a driving screw is threadedly connected to one end of the mobile top plate, the driving screw penetrates through the side wall of the placing frame, and the driving screw is used for providing driving force for position transformation of the mobile top plate.

[0011] Preferably, an operation opening is formed in the middle of one side of the supporting plate, the operation opening corresponds to the position of the driving screw, and the width of the operation opening is greater than the diameter of the driving screw, so as to leave sufficient space for the operator to rotate the driving screw.

[0012] Compared with the prior art, the present application has the following beneficial effects:

[0013] The device is characterized in that the limiting plate, the lifting guide rail, the connecting plate, the movable supporting plate, the fixing shaft, the driving screw, the rotating supporting arc plate, the fixed plate, the mounting frame, the rotating wheel, the fixed vertical plate, the limiting groove, the guide plate and the movable top plate are arranged, the movable top plate is rotated and screwed with the driving screw and the movable top plate, the movable top plate slides in the fixed vertical plate, the top surface slope of the movable top plate is in contact with the rotating wheel, the mounting frame pushes the fixed plate, the lifting guide rail, the connecting plate and the movable supporting plate to move upwards, the lifting guide rail applies pressure to the bottom of the rotating supporting arc plate, the rotating supporting arc plate rotates, the contact position of the top of the rotating supporting arc plate and the workpiece changes, the movable supporting plate supports the workpiece when continuously rising, the contact position of the workpiece and the workpiece frame is variable, the cooling dead angle is avoided, the cooling speed is improved, and the cooling quality is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is the axonometric view of the overall structure of the workpiece frame for heat treatment and cooling in the embodiment of the present application;

[0015] Figure 2 is the axonometric view of the overall structure of the placing frame in the embodiment of the present application;

[0016] Figure 3 is the axonometric view of the position distribution of the lifting guide rail, the connecting plate and the movable supporting plate in the embodiment of the present application;

[0017] Figure 4 is Figure 3 is the enlarged view of A in the embodiment of the present application, mainly showing the specific structure of the placing assembly;

[0018] Figure 5 is the axonometric view of the internal structure of the fixed vertical plate in the embodiment of the present application.

[0019] Fig. 1 is a fixed bottom plate; Fig. 2 is a universal wheel; Fig. 3 is a supporting column; Fig. 4 is a supporting plate; Fig. 5 is a placing frame; Fig. 6 is a stop block; Fig. 7 is an operation port; Fig. 8 is a limiting plate; Fig. 9 is a lifting guide rail; Fig. 10 is a connecting plate; Fig. 11 is a movable supporting plate; Fig. 12 is a fixing shaft; Fig. 13 is a driving screw; Fig. 14 is a rotating supporting arc plate; Fig. 15 is a fixed plate; Fig. 16 is a mounting frame; Fig. 17 is a rotating wheel; Fig. 18 is a fixed vertical plate; Fig. 19 is a limiting groove; Fig. 20 is a guide plate; and Fig. 21 is a movable top plate. DETAILED DESCRIPTION

[0020] The following will be described in detail with reference to the accompanying drawings. Figures 1-5 The present application will be further described in detail.

[0021] The embodiment of the present application discloses a workpiece frame for heat treatment and cooling.

[0022] Reference will be made to Figure 1The workpiece frame for heat treatment cooling comprises a fixed bottom plate 1 and universal wheels 2 fixedly connected to the bottom end corner positions of the fixed bottom plate 1, facilitating the movement of the device and saving manpower, four support columns 3 are fixedly connected to the top end four corner positions of the fixed bottom plate 1, equidistantly fixed support plates 4 are fixedly connected to the outer sides of the four support columns 3, a placing frame 5 is movably clamped in the inside of the support plate 4, stop blocks 6 are symmetrically fixedly connected to the two sides of the placing frame 5, a placing assembly is equidistantly fixedly connected to the inside of the placing frame 5, a guide assembly is fixedly connected to the bottom end of the placing assembly, and a driving assembly is fixedly connected to the inside of the placing frame 5.

[0023] Further, the placing assembly comprises a plurality of fixed shafts 12, the plurality of fixed shafts 12 are symmetrically fixedly connected to the inside of the placing frame 5, rotating support arc plates 14 are movably connected to the outer sides of the fixed shafts 12, the rotating support arc plates 14 rotate along the fixed shafts 12, two fixed shafts 12, two rotating support arc plates 14 and the lifting guide rail 9, the connecting plate 10 and the moving support plate 11 form a support structure, the top end of the rotating support arc plate 14 is inclined inward, under the condition of no force, the top end of the two rotating support arc plates 14 in the same support structure is inclined and rotated inward, a plurality of limiting plates 8 are symmetrically fixedly connected to the inside wall of the placing frame 5, the lifting guide rails 9 are movably connected between the same group of limiting plates 8, the connecting plates 10 are fixedly connected to the two ends of the lifting guide rail 9, and the moving support plate 11 is fixedly connected to the top end of the connecting plate 10.

[0024] Further, a V-shaped groove is formed in the top end middle part of the lifting guide rail 9, the inner side surface of the lifting guide rail 9 is in contact connection with the bottom end surface of the rotating support arc plate 14, and the V-shaped groove is provided to guide the reverse rotation of the rotating support arc plate 14.

[0025] Further, the guide assembly comprises a fixed plate 15 fixedly connected to the bottom end of the lifting guide rail 9, a mounting frame 16 fixedly connected to the middle part of the bottom end of the fixed plate 15, a rotating wheel 17 rotatably connected to the inside of the mounting frame 16, and the rotating wheel 17 rotates along the moving top plate 21 when the rotating wheel 17 is in contact with the moving top plate 21.

[0026] Further, the driving assembly comprises fixed vertical plates 18 symmetrically fixedly connected to the inside of the placing frame 5, limiting grooves 19 formed in the inner side walls of the two fixed vertical plates 18, guide plates 20 slidably connected to the insides of the two limiting grooves 19, the setting and movement of the moving top plate 21 being stably supported and guided by the setting of the limiting grooves 19 and the guide plates 20, the moving top plate 21 fixedly connected between the two guide plates 20, a drive screw 13 threadedly connected to one end of the moving top plate 21, the drive screw 13 penetrating through the side wall of the placing frame 5, the drive screw 13 only rotating in the inside of the placing frame 5 and not moving, and a rotating bearing provided at the contact position of the drive screw 13 and the placing frame 5.

[0027] Further, the middle part of one side of the supporting plate 4 is provided with an operation opening 7, the operation opening 7 corresponds to the position of the driving screw 13, and the width of the operation opening 7 is greater than the diameter of the driving screw 13, and the operation opening 7 is convenient for the operator to rotate the driving screw 13.

[0028] In use, the embodiment of the application: by rotating the driving screw 13 and moving the top plate 21, the top plate 21 slides in the fixed vertical plate 18, the top surface slope of the top plate 21 contacts the rotating wheel 17, the mounting frame 16 pushes the fixed plate 15, the lifting guide rail 9, the connecting plate 10 and the moving supporting plate 11 to move upward, at the same time, the lifting guide rail 9 applies pressure to the bottom of the rotating support arc plate 14, so that the rotating support arc plate 14 rotates, the contact position of the top rotating and the workpiece changes, and when the lifting guide rail 9 continues to rise, the moving supporting plate 11 supports the workpiece.

[0029] The above are preferred embodiments of the application, and are not intended to limit the protection scope of the application, therefore: any equivalent changes made on the structure, shape and principle of the application should be covered within the protection scope of the application.

Claims

1. A workpiece rack for heat treatment cooling, comprising a fixed base plate (1) and a universal wheel (2) fixedly connected to the base plate (1) at a corner position of an end edge, characterized in that: The fixed bottom plate (1) top four corner positions are fixedly connected with support columns (3), four support columns (3) are fixedly connected with supporting plates (4) on the outside at equal intervals, the supporting plate (4) is movably clamped with a placing frame (5) inside, the both sides of the placing frame (5) are fixedly connected with stop blocks (6) symmetrically, the placing frame (5) is fixedly connected with a placing assembly at equal intervals inside, the placing assembly is fixedly connected with a guide assembly at the bottom, the placing frame (5) is fixedly connected with a drive assembly on the inside.

2. The workpiece rack for heat treatment and cooling according to claim 1, characterized by: The placing assembly comprises a plurality of fixed shafts (12), a plurality of fixed shafts (12) are fixedly connected symmetrically inside the placing frame (5), the fixed shaft (12) is movably connected with a rotating support arc plate (14) on the outside, the inside wall of the placing frame (5) is fixedly connected with a plurality of limiting plates (8) symmetrically, the same group of limiting plates (8) are movably connected with lifting rails (9) between them, the both ends of the lifting rail (9) are fixedly connected with connecting plates (10), the top of the connecting plate (10) is fixedly connected with a moving supporting plate (11).

3. The workpiece rack for heat treatment cooling according to claim 2, characterized by: The top of the lifting rail (9) is provided with a V-shaped groove in the middle, and the inner side surface of the lifting rail (9) is in contact with the bottom surface of the rotating support arc plate (14).

4. The workpiece rack for heat treatment and cooling according to claim 1, characterized by: The guide assembly comprises a fixed plate (15), the fixed plate (15) is fixedly connected to the bottom of the lifting rail (9), the bottom of the fixed plate (15) is fixedly connected with a mounting bracket (16) in the middle, and the mounting bracket (16) is rotatably connected with a rotating wheel (17) inside.

5. The workpiece rack for heat treatment and cooling according to claim 1, characterized in that: The drive assembly comprises a fixed vertical plate (18), the fixed vertical plate (18) is fixedly connected symmetrically inside the placing frame (5), the inside wall of the two fixed vertical plates (18) is provided with a limiting groove (19), the inside of the two limiting grooves (19) is slidably connected with a guide plate (20), the two guide plates (20) are fixedly connected with a moving top plate (21) between them, one end of the moving top plate (21) is threadedly connected with a drive screw (13), and the drive screw (13) penetrates the side wall of the placing frame (5).

6. The workpiece rack for heat treatment and cooling according to claim 1, wherein: One side of the supporting plate (4) is provided with an operation port (7) in the middle, the operation port (7) corresponds in position to the drive screw (13), and the width of the operation port (7) is greater than the diameter of the drive screw (13).

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