Heat treatment device convenient for workpiece tempering

Abstract

The heat treatment device comprises a heat treatment furnace body, a rotating table assembly is arranged at the inner bottom of the heat treatment furnace body, the rotating table assembly comprises a bottom tray and a driving mechanism, the bottom tray is horizontally and rotationally arranged in the center of the inner bottom of the heat treatment furnace body, and the driving mechanism is used for driving the bottom tray to rotate; supporting plates are symmetrically arranged on the two sides of the top of the bottom tray, a workpiece clamping assembly is arranged between the top ends of the supporting plates, shaft rods are fixedly connected to the middle points of the outer walls of the two sides of the workpiece clamping assembly, and the shaft rods are rotationally connected with the supporting plates. The tail end of the shaft rod extends out of the bearing plate, the tail end face of the shaft rod is coaxially connected with a bevel gear, the inner wall of the heat treatment furnace body is connected with a half gear ring, the axis of the half gear ring and the axis of the bottom tray are located on the same straight line, and the bevel gear is meshed with the half gear ring. And the workpiece is heated more comprehensively and uniformly, so that the tempering effect of the workpiece is better.

Description

Technical Field

[0001] The utility model relates to the technical field of heat treatment devices, in particular to a heat treatment device that is convenient for tempering a workpiece. Background Art

[0002] After casting, metal workpieces usually need to be tempered according to the material to achieve the required material properties and release stress. Tempering is a process of heating the cooled workpiece. The quality of the workpiece is directly determined by the tempering heating effect.

[0003] Typically, the heat treatment device for tempering is a container device made of refractory materials, which uses gas or electricity as a heating source, and the workpiece is placed therein for heating, such as the wear-resistant alloy cast steel heat treatment equipment disclosed in the authorization announcement number CN220619022U.

[0004] Although the above-mentioned heat treatment equipment can achieve rapid cooling of the workpiece, it does not solve the problem that the workpiece is currently stationary when heated in the furnace, resulting in excessive heating of the side of the workpiece close to the heat source, while the side away from the heat source is heated slowly, causing uneven heating of the workpiece and thus affecting the quality after tempering. For this reason, we propose a heat treatment device that is convenient for tempering of workpieces. Utility Model Content

[0005] In order to overcome the deficiencies of the prior art, the utility model provides a heat treatment device that is convenient for tempering a workpiece. During the tempering process, the workpiece is simultaneously rotated horizontally and flipped up and down, so that the workpiece is heated more comprehensively and evenly, resulting in a better tempering effect of the workpiece.

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

[0007] A heat treatment device for facilitating tempering of a workpiece, comprising a heat treatment furnace body, wherein a rotating table assembly is arranged at the inner bottom of the heat treatment furnace body, and the rotating table assembly comprises a bottom tray and a driving mechanism, wherein the bottom tray is horizontally and rotatably arranged at the center of the inner bottom of the heat treatment furnace body, and the driving mechanism is used to drive the bottom tray to rotate;

[0008] Support plates are symmetrically arranged on both sides of the top of the bottom tray, a workpiece clamping assembly is arranged between the top ends of the support plates, and shafts are connected and fixed to the midpoints of the outer walls on both sides of the workpiece clamping assembly, and the shafts are rotatably connected to the support plates;

[0009] The tail end of the shaft extends out of the support plate, and the end face is coaxially connected to a bevel gear. The inner wall of the heat treatment furnace body is connected to a half gear ring. The axis of the half gear ring is in the same straight line as the axis of the bottom tray, and the bevel gear is meshed with the half gear ring.

[0010] As a preferred solution of a heat treatment device for facilitating tempering of a workpiece described in the utility model, the driving mechanism includes a stud, a transmission shaft and a motor, the bottom tray has the shape of a gear, the stud is installed at the inner rear end of the heat treatment furnace body and meshes with the bottom tray, the transmission shaft is coaxially connected to the two ends of the stud, and the other end of the transmission shaft is rotatably connected to the inner wall of the heat treatment furnace body, the motor is installed on the outer side wall of the heat treatment furnace body, and the output shaft of the motor is connected and fixed to the transmission shaft.

[0011] As a preferred solution of the heat treatment device for facilitating workpiece tempering described in the utility model, wherein: a supporting groove is transversely penetrated through the top surface of the support plate, the inner bottom surface of the supporting groove is a smooth arc surface, and the shaft rod is located inside the supporting groove.

[0012] As a preferred solution of a heat treatment device for facilitating tempering of workpieces described in the utility model, the top surface of the support plate is provided with a pressure cover covering the upper port of the supporting groove, the rear end surface of the pressure cover is hinged to the top surface of the support plate, the front end top surface of the pressure cover is longitudinally penetrated by bolts, and the top surface of the support plate is provided with screw holes corresponding to the bottom of the bolts.

[0013] As a preferred solution of a heat treatment device that facilitates workpiece tempering described in the utility model, the workpiece clamping assembly includes a fixed frame and multiple groups of screw rods, the screw rods are respectively located on the front and rear ends of the fixed frame, and the screw rod threads penetrate the fixed frame, and the end of the screw rod located inside the fixed frame is rotatably provided with a clamping pad, and the end located outside the fixed frame is coaxially connected with a knob, and the shaft is connected to the midpoints of the outer walls of both sides of the fixed frame.

[0014] As a preferred solution of the heat treatment device for facilitating tempering of workpieces described in the utility model, an electric heater is arranged on the inner top of the heat treatment furnace body, a furnace opening is opened on the front end face of the heat treatment furnace body, the outer contour of the half gear ring is semicircular with one end of the opening facing the furnace opening, and the heat treatment furnace body is movably connected with a sealing door covering the furnace opening.

[0015] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0016] The workpiece clamping assembly clamps and fixes the workpiece to be tempered, and the driving mechanism of the rotary table assembly drives the bottom tray to rotate. The workpiece clamping assembly is connected to the bottom tray by a support plate, so that the workpiece fixed in the workpiece clamping assembly rotates horizontally following the rotation of the bottom tray. At the same time, since the bevel gear connected to the workpiece clamping assembly by a shaft is meshed with the half gear ring, and the shaft is rotatably connected to the support plate, the bevel gear rotates relative to the support plate with the shaft under the meshing of the half gear ring, and the rotation of the shaft drives the workpiece clamping assembly to flip, so that the workpiece flips up and down with the workpiece clamping assembly. During the tempering process, the workpiece rotates horizontally and flips up and down at the same time, and the workpiece is heated more comprehensively and evenly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The figure is a schematic diagram of the appearance of a heat treatment device which is convenient for tempering a workpiece.

[0018] Figure 2 The present invention is a schematic diagram of a heat treatment furnace body of a heat treatment device which is convenient for tempering a workpiece.

[0019] Figure 3 A schematic diagram of a half gear ring of a heat treatment device that facilitates tempering of a workpiece.

[0020] Figure 4 The present invention is a schematic diagram of a support plate of a heat treatment device for facilitating the tempering of a workpiece.

[0021] Figure 5 A schematic diagram of a workpiece clamping assembly of a heat treatment device that facilitates tempering of a workpiece.

[0022] Among them: 1. Heat treatment furnace body; 2. Furnace mouth; 3. Sealed door; 4. Electric heater; 5. Bottom tray; 6. Stud; 7. Transmission shaft; 8. Motor; 9. Support plate; 10. Support groove; 11. Pressure cover; 12. Bolt; 13. Screw hole; 14. Fixed frame; 15. Screw rod; 16. Clamping pad; 17. Knob; 18. Shaft; 19. Bevel gear; 20. Half gear ring. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0025] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0026] Example

[0027] Please refer to Figures 1 to 5 As shown in the figure, it is the first embodiment of the utility model, which provides a heat treatment device for facilitating the tempering of workpieces, including a heat treatment furnace body 1, a rotating table assembly is arranged at the inner bottom of the heat treatment furnace body 1, the rotating table assembly includes a bottom tray 5 and a driving mechanism, the bottom tray 5 is horizontally and rotatably arranged at the center of the inner bottom of the heat treatment furnace body 1, the driving mechanism is used to drive the bottom tray 5 to rotate, support plates 9 are symmetrically arranged on both sides of the top of the bottom tray 5, a workpiece clamping assembly is arranged between the top ends of the support plates 9, the midpoints of the outer walls on both sides of the workpiece clamping assembly are connected and fixed with shaft rods 18, the shaft rods 18 are rotatably connected to the support plates 9, the tail end of the shaft rod 18 extends out of the support plates 9, and the end face is coaxially connected with a bevel gear 19, the inner wall of the heat treatment furnace body 1 is connected with a half gear ring 20, the axis of the half gear ring 20 is in the same straight line with the axis of the bottom tray 5, the bevel gear 19 is meshed with the half gear ring 20, and the workpiece clamping assembly will be tempered The workpiece to be tempered is clamped and fixed, and the driving mechanism of the rotary table assembly drives the bottom tray 5 to rotate. The workpiece clamping assembly is connected to the bottom tray 5 by the supporting plate 9, so that the workpiece fixed in the workpiece clamping assembly rotates horizontally following the rotation of the bottom tray 5. At the same time, since the bevel gear 19 connected to the workpiece clamping assembly by the shaft 18 is meshed with the half gear ring 20, and the shaft 18 is rotatably connected to the supporting plate 9, the bevel gear 19 rotates relative to the supporting plate 9 with the shaft 18 under the meshing of the half gear ring 20. The rotation of the shaft 18 drives the workpiece clamping assembly to flip, so that the workpiece is flipped up and down with the workpiece clamping assembly. During the tempering process, the workpiece rotates horizontally and flips up and down at the same time, and the workpiece is heated more comprehensively and evenly, resulting in a better tempering effect of the workpiece. There are bevel gears 19 on both sides of the workpiece clamping assembly, so that the bevel gear 19 is always meshed with the half gear ring 20 during rotation.

[0028] Specifically, an electric heater 4 is provided at the inner top of the heat treatment furnace body 1. When the electric heater 4 is powered on, it converts electrical energy into thermal energy, thereby providing heat for the workpiece in the heat treatment furnace body 1 for heat treatment. A furnace mouth 2 is provided on the front end face of the heat treatment furnace body 1. The outer contour of the half gear ring 20 is semicircular and one end of the opening faces the furnace mouth 2. The half gear ring 20 does not affect the discharge and removal of materials from the furnace mouth 2. The heat treatment furnace body 1 is movably connected with a sealing door 3 covering the furnace mouth 2.

[0029] More specifically, the driving mechanism includes a stud 6, a transmission shaft 7 and a motor 8. The bottom tray 5 is in the shape of a gear. The stud 6 is installed at the inner rear end of the heat treatment furnace body 1 and meshes with the bottom tray 5. The transmission shaft 7 is coaxially connected to both ends of the stud 6, and the other end of the transmission shaft 7 is rotatably connected to the inner wall of the heat treatment furnace body 1. The motor 8 is installed on the outer side wall of the heat treatment furnace body 1, and the output shaft of the motor 8 is fixedly connected to the transmission shaft 7. When the motor 8 is started, the transmission shaft 7 drives the stud 6 to rotate. Since the stud 6 is meshed with the bottom tray 5, the rotation of the stud 6 drives the bottom tray 5 to rotate.

[0030] More specifically, a bearing groove 10 is formed through the top surface of the support plate 9, and the inner bottom surface of the bearing groove 10 is a smooth arc surface. The shaft 18 is located inside the bearing groove 10. The workpiece clamping assembly is quickly placed between the shaft 18 and the bearing groove 10 of the support plate 9. The shaft 18 can slide and rotate relative to the bearing groove 10 without affecting the rotation of the workpiece clamping assembly. The workpiece clamping assembly can be quickly assembled and removed from the support plate 9. The top surface of the support plate 9 is provided with a pressure cover 11 covering the upper end of the bearing groove 10. The rear end face of the pressure cover 11 is hinged to the top face of the supporting plate 9, and a bolt 12 is longitudinally penetrated through the top face of the front end of the pressure cover 11. A screw hole 13 is correspondingly provided on the top face of the supporting plate 9 below the bolt 12. The pressure cover 11 is hinged and rotated to cover the upper end of the supporting groove 10, and then the bolt 12 is rotated to connect with the screw hole 13 to lock the pressure cover 11. The pressure cover 11 ensures that the shaft 18 is located in the supporting groove 10 to prevent it from falling out. On the contrary, the pressure cover 11 is hinged and rotated to open, which is conducive to the rapid removal of the workpiece clamping assembly.

[0031] More specifically, the workpiece clamping assembly includes a fixed frame 14 and multiple groups of screw rods 15. The screw rods 15 are respectively located on the front and rear ends of the fixed frame 14, and the screw rods 15 are threadedly penetrated through the fixed frame 14. One end of the screw rod 15 located inside the fixed frame 14 is rotatably provided with a clamping pad 16, and the other end located outside the fixed frame 14 is coaxially connected with a knob 17. The shaft 18 is connected to the midpoint of the outer walls of both sides of the fixed frame 14. The knob 17 is conducive to controlling the rotation of the screw rod 15. The rotation of the screw rod 15 is screwed in or out relative to the fixed frame 14. The advancement of the screw rod 15 clamps the workpiece in the fixed frame 14, and the clamping pad 16 increases the friction resistance with the workpiece.

[0032] The utility model provides a heat treatment device that is convenient for tempering of a workpiece, and its working principle is as follows: the workpiece clamping assembly clamps and fixes the workpiece to be tempered, and the screw rod 15 of the workpiece clamping assembly is screwed in or out relative to the fixed frame 14, and the advancement of the screw rod 15 clamps the workpiece in the fixed frame 14, and the clamping pad 16 at the front end of the screw rod 15 increases the friction resistance with the workpiece, and the knob 17 at the rear end is conducive to controlling the rotation of the screw rod 15, and the driving mechanism of the rotary table assembly drives the bottom tray 5 to rotate, and the motor 8 is started so that the transmission shaft 7 drives the stud 6 to rotate, and because the stud 6 is meshed with the bottom tray 5, the rotation of the stud 6 drives the bottom tray 5 to rotate, and the workpiece clamping assembly is connected to the bottom tray 5 by the support plate 9, thereby the workpiece clamping The workpiece fixed in the assembly rotates horizontally following the rotation of the bottom tray 5. At the same time, since the bevel gear 19 connected to the workpiece clamping assembly by the shaft 18 is meshed with the half gear ring 20, and the shaft 18 is rotatably connected to the support plate 9, the bevel gear 19 rotates relative to the support plate 9 with the shaft 18 under the meshing of the half gear ring 20. The rotation of the shaft 18 drives the workpiece clamping assembly to flip, so that the workpiece is flipped up and down with the workpiece clamping assembly. During the tempering process, the workpiece rotates horizontally and flips up and down at the same time, and the workpiece is heated more comprehensively and evenly, resulting in a better tempering effect of the workpiece. There are bevel gears 19 on both sides of the workpiece clamping assembly, so that the bevel gear 19 is always meshed with the half gear ring 20 during rotation.

[0033] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A heat treatment device for facilitating tempering of a workpiece, comprising a heat treatment furnace body (1), characterized in that: The inner bottom of the heat treatment furnace body (1) is provided with a rotating table assembly, the rotating table assembly comprising a bottom tray (5) and a driving mechanism, the bottom tray (5) is horizontally and rotatably arranged at the center of the inner bottom of the heat treatment furnace body (1), and the driving mechanism is used to drive the bottom tray (5) to rotate; Support plates (9) are symmetrically arranged on both sides of the top of the bottom tray (5), a workpiece clamping assembly is arranged between the top ends of the support plates (9), and shafts (18) are connected and fixed to the midpoints of the outer walls on both sides of the workpiece clamping assembly, and the shafts (18) are rotatably connected to the support plates (9); The rear end of the shaft (18) extends out of the support plate (9), and the end surface is coaxially connected to a bevel gear (19); the inner wall of the heat treatment furnace body (1) is connected to a half gear ring (20); the axis of the half gear ring (20) is in the same straight line as the axis of the bottom tray (5); the bevel gear (19) and the half gear ring (20) are meshed; The driving mechanism comprises a stud (6), a transmission shaft (7) and a motor (8); the bottom tray (5) is in the shape of a gear; the stud (6) is mounted at the rear end of the heat treatment furnace body (1) and meshes with the bottom tray (5); the transmission shaft (7) is coaxially connected to both ends of the stud (6), and the other end of the transmission shaft (7) is rotatably connected to the inner wall of the heat treatment furnace body (1); the motor (8) is mounted on the outer side wall of the heat treatment furnace body (1), and the output shaft of the motor (8) is fixedly connected to the transmission shaft (7).

2. A heat treatment device for facilitating workpiece tempering according to claim 1, characterized in that: A supporting groove (10) is transversely penetrated through the top surface of the support plate (9), the inner bottom surface of the supporting groove (10) is a smooth arc surface, and the shaft (18) is located inside the supporting groove (10).

3. A heat treatment device for facilitating workpiece tempering according to claim 2, characterized in that: The top surface of the support plate (9) is provided with a pressure cover (11) covering the upper end of the supporting groove (10); the rear end surface of the pressure cover (11) is hinged to the top surface of the support plate (9); a bolt (12) is longitudinally penetrated through the front end top surface of the pressure cover (11); and a screw hole (13) is correspondingly provided on the top surface of the support plate (9) below the bolt (12).

4. A heat treatment device for facilitating workpiece tempering according to claim 1, characterized in that: The workpiece clamping assembly comprises a fixed frame (14) and a plurality of screw rods (15), wherein the screw rods (15) are respectively located at the front and rear ends of the fixed frame (14), and the screw rods (15) are threadedly penetrated through the fixed frame (14), and a clamping pad (16) is rotatably arranged at one end of the screw rod (15) located inside the fixed frame (14), and a knob (17) is coaxially connected to one end of the screw rod (15) located outside the fixed frame (14), and the shaft rod (18) is connected to the midpoints of the outer walls of both sides of the fixed frame (14).

5. A heat treatment device for facilitating workpiece tempering according to claim 1, characterized in that: An electric heater (4) is arranged on the inner top of the heat treatment furnace body (1), a furnace opening (2) is provided on the front end surface of the heat treatment furnace body (1), the outer contour of the half gear ring (20) is semicircular and one end of the opening faces the furnace opening (2), and the heat treatment furnace body (1) is movably connected with a sealing door (3) covering the furnace opening (2).

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