Heat treatment device for automobile fastener

Abstract

The invention provides a heat treatment device for automobile fasteners, and relates to the technical field of fastener machining. A group of long gears are rotationally mounted at the rear end of the interior of the heat treatment box body, a telescopic heating cylinder is arranged in the heat treatment box body, a group of fasteners are mounted on mounting seats in an inserted manner respectively, and the mounting seats are in engaged transmission connection with the inner ends of mounting plates respectively; according to the heat treatment device, the good uniformity effect on heat treatment of the fasteners is achieved, the heat treatment effect of the device on the fasteners is improved, and the device can conveniently adjust the spacing distance between the mounting plates on the two adjacent mounting frames according to different specifications and lengths of the fasteners, so that the device has the good adjustability, and the practicability of the device is improved. The mounting adaptability of the device to fasteners with different specifications and lengths and the space utilization rate of internal heat treatment when the device is used are improved; the problems that the heat treatment uniformity of the device on the fasteners is poor, the heat treatment effect of the device on the fasteners is easily affected, and the adjustability of the device is poor are solved.

Description

Technical Field

[0001] The invention relates to the technical field of fastener processing, and in particular to a heat treatment device for automobile fasteners. Background Art

[0002] Fasteners are a type of mechanical parts used for fastening and connection and are extremely widely used. Fasteners are widely used in a wide range of industries, including energy, electronics, electrical appliances, machinery, chemicals, metallurgy, molds, and hydraulics. Fasteners are used in various machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemicals, meters, and supplies. You can see a variety of fasteners. They are the most widely used basic mechanical parts. Fasteners are needed in the production process of automobiles. Generally, heat treatment is required in the production process of automobile fasteners. Heat treatment is one of the important processes in the production of automobile fasteners. Heat treatment refers to a metal heat processing process in which the material is heated, kept warm, and cooled in a solid state to obtain the expected structure and performance. Compared with other processing technologies, heat treatment can improve the intrinsic quality of automobile fasteners during production.

[0003] A heat treatment device for automotive fasteners can refer to patent No. CN202122727155.3, which mainly includes a base and a mesh belt furnace, a guide table is installed outside the base on the left side of the mesh belt furnace, a guide trough is provided on the top of the guide table, and a plurality of installation ports are spaced apart at the inner bottom of the guide trough, and a feed pipe is installed in each installation port, and a mesh belt on the base is provided below the horizontal and vertical ends of the plurality of feed pipes, an intermittent material blocking mechanism matching the plurality of feed pipes is installed on the left side of the guide table, and a material distribution mechanism is installed above the horizontal and vertical ends of the plurality of feed pipes. The present application can separate and disperse the fasteners on the mesh belt through two-stage screening and distribution, which greatly reduces the stacking of fasteners on the mesh belt, and ensures that the fasteners fed into the mesh belt furnace through the mesh belt can be heated evenly, thereby ensuring that the quality of the fasteners of the same batch can be maintained at a high level.

[0004] As for the existing heat treatment devices for automobile fasteners, the uniformity of the heat treatment of the fasteners by the devices is poor, which easily affects the heat treatment effect of the devices on the fasteners. In addition, the adjustability of the devices is poor, and it is not convenient to adjust the spacing between the upper and lower groups of adjacent fasteners according to the different specifications and lengths of the fasteners. When the devices are used, the space utilization rate of the internal heat treatment is poor. Summary of the invention

[0005] In view of this, the present invention provides a heat treatment device for automobile fasteners, which has an annular frame and a mounting seat, so that the device has a better uniformity effect on the heat treatment of the fasteners, effectively improving the heat treatment effect of the device on the fasteners, and when the annular frame of the device moves up and down driven by the mounting frame, the external gears on the top of different annular frames are always meshed and connected with the long gears at the rear end of the heat treatment box, so that the device has better linkage.

[0006] The present invention provides a heat treatment device for automobile fasteners, which specifically comprises a heat treatment box; A group of long gears are rotatably installed at the rear end of the heat treatment box, a group of driving motors are fixedly installed on the top of the heat treatment box, positioning grooves are equidistantly provided in the vertical direction at both ends of the inner side of the heat treatment box, a box door is rotatably installed on the front side of the heat treatment box, a group of heaters are fixedly installed on the top of the heat treatment box, a group of telescopic heating cylinders are installed at the bottom of the heaters, and the telescopic heating cylinders are placed inside the heat treatment box, a mounting frame is slidably installed inside the heat treatment box, a group of mounting plates are slidably installed on the mounting frame, a group of pull grooves are respectively opened at both ends of the outer side of the mounting frame, a group of positioning blocks are respectively slidably installed on both side ends of the mounting frame, and the positioning blocks on both side ends of the mounting frame are respectively plugged and installed on the positioning grooves at both ends of the inner side of the heat treatment box, a group of annular frames are rotatably installed on the mounting plate, six groups of mounting seats are rotatably installed on the annular frames in a circular array, a group of fasteners are respectively plugged and installed on the mounting seats, and the mounting seats are respectively meshed and driven with the inner ends of the mounting plates.

[0007] Furthermore, a group of inner slide blocks are fixedly installed on both sides of the inner end of the mounting frame, a group of outer slide grooves are opened on both sides of the mounting plate, and the outer slide grooves on both sides of the mounting plate are slidably installed on the inner slide blocks on both sides of the inner end of the mounting frame.

[0008] Furthermore, a group of connecting blocks are fixedly connected to both ends of the mounting frame, a group of sliding holes are opened on the connecting blocks, a group of guide rods are fixedly installed at both ends of the heat treatment box, and the sliding holes on the connecting blocks at both ends of the mounting frame are slidably installed on the guide rods at both ends of the heat treatment box.

[0009] Furthermore, a group of rotating rings are fixedly installed at the bottom of the mounting seat, six groups of connecting ring grooves are opened in a circular array inside the annular frame, and the rotating rings at the bottom of the mounting seat are rotatably installed on the connecting ring grooves inside the annular frame.

[0010] Furthermore, a group of lower brackets are fixedly installed at both ends of the front side of the mounting frame, and a group of sliding holes are opened on the lower brackets. The outer ends of the positioning blocks are fixedly connected to a group of connecting rods, and the connecting rods at the outer ends of the positioning blocks are slidably installed on the sliding holes of the lower brackets.

[0011] Furthermore, a group of driving gears are fixedly connected to the mounting seat, a group of internal gear rings are fixedly connected to the inner top of the mounting plate, and the internal gear rings at the inner top of the mounting plate are respectively meshed and transmission connected with the driving gears on the six groups of mounting seats.

[0012] Furthermore, a group of hexagonal grooves are opened on the top of the mounting seat, the top of the fastener is a hexagonal head, and the hexagonal head on the top of the fastener is plugged and installed on the hexagonal groove opened on the top of the mounting seat.

[0013] Furthermore, a group of inner ring grooves are opened at the inner end of the mounting plate, a group of lower limit rings are fixedly connected to the bottom of the annular frame, and the lower limit ring fixed at the bottom of the annular frame is rotatably mounted on the inner ring grooves at the inner end of the mounting plate.

[0014] Furthermore, a group of limiting columns are fixedly mounted on the connecting rod at the outer end of the positioning block, a group of elastic members are sleeved and mounted on the connecting rod, and the inner ends of the elastic members are in contact with the outer end surfaces of the limiting columns on the connecting rod.

[0015] Furthermore, the top of the long gear is fixedly mounted on the transmission shaft of the driving motor, a group of external gears are fixedly mounted on the top of the annular frame, and the external gears on the top of the annular frame are meshed and transmission-connected with the long gears at the rear end inside the heat treatment box.

[0016] Compared with the prior art, the heat treatment device for automobile fasteners of the present invention has the following beneficial effects: The annular frame cooperates with the mounting seat to make the device have a better uniformity effect on the heat treatment of fasteners, effectively improving the heat treatment effect of the device on the fasteners, and when the annular frame of the device moves up and down driven by the mounting frame, the external gears on the top of different annular frames are always meshed and connected with the long gears at the rear end of the heat treatment box, so that the device has better linkage; the mounting frame makes it easy to adjust the spacing distance between the mounting plates on two adjacent groups of mounting frames according to the different specifications and lengths of the fasteners, so that the device has better adjustability, effectively improving the installation adaptability of the device to fasteners of different specifications and lengths and the space utilization rate of internal heat treatment when the device is in use.

[0017] In addition, the hexagonal head on the top of the fastener is plugged into the hexagonal groove opened on the top of the mounting seat, and the outer sliding grooves on both sides of the mounting plate are respectively slidably installed on the inner sliding blocks on both sides of the inner end of the mounting frame, so that the mounting plate of the device and the fasteners thereon are easy to disassemble and assemble quickly after the heat treatment is completed, and the driving motor drives the long gear to rotate, which can drive the annular frame and the fasteners thereon to rotate, and the internal gear rings on the top of the mounting plate are respectively meshed and connected with the driving gears on the six groups of mounting seats, so that when the annular frame drives the six groups of fasteners to rotate, the mounting seat drives the fasteners to rotate synchronously around its axis, so that the device has a better uniformity effect on the heat treatment of the fasteners, effectively improving the heat treatment effect of the device on the fasteners, and when the annular frame of the device moves up and down driven by the mounting frame, the external gears on the tops of different annular frames are always meshed and connected with the long gears at the rear end of the heat treatment box, so that the device has better linkage.

[0018] In addition, by pulling the two groups of positioning blocks inward, the positioning blocks are respectively disengaged from the positioning grooves at the two ends of the inner side of the heat treatment box body. After adjusting the mounting frame and the mounting plate thereon up and down to the desired position, the positioning blocks are loosened. Under the action of the elastic member sleeved and installed on the connecting rod, the positioning blocks at the two side ends of the mounting frame are respectively inserted and installed in the positioning grooves at the two ends of the inner side of the heat treatment box body. This makes it easy for the device to adjust the spacing distance of the mounting plates on the two adjacent groups of mounting frames according to the different specifications and lengths of the fasteners, so that the device has better adjustability, effectively improving the installation adaptability of the device to fasteners of different specifications and lengths and the space utilization rate of the internal heat treatment when the device is in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0020] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0021] In the attached picture: Figure 1 The figure is a front axial schematic diagram of a heat treatment device for automobile fasteners of the present invention.

[0022] Figure 2 The present invention is a front end cross-sectional schematic diagram of a heat treatment device for automobile fasteners.

[0023] Figure 3 The invention discloses a schematic diagram of the installation of a positioning block of a heat treatment device for automobile fasteners.

[0024] Figure 4 The invention is a schematic side cross-sectional view of a heat treatment device for automobile fasteners.

[0025] Figure 5The invention is a schematic diagram of the installation of a ring frame of a heat treatment device for automobile fasteners.

[0026] Figure 6 The present invention is a schematic diagram of disassembly and assembly of a mounting frame of a heat treatment device for automobile fasteners.

[0027] Figure 7 The present invention is a schematic diagram of disassembling and assembling a mounting plate of a heat treatment device for automobile fasteners.

[0028] Figure 8 The present invention is a schematic diagram of disassembling and assembling a mounting seat of a heat treatment device for automobile fasteners.

[0029] Fig. 9 The present invention is a schematic cross-sectional view of a ring frame of a heat treatment device for automobile fasteners.

[0030] Fig.10 The invention discloses a schematic cross-sectional view of the installation of a mounting plate of a heat treatment device for automotive fasteners.

[0031] Reference numerals list 1. Heat treatment box; 101. Long gear; 1011. Drive motor; 102. Guide rod; 103. Positioning groove; 2. Heater; 201. Telescopic heating tube; 3. Mounting frame; 301. Connecting block; 302. Lower bracket; 303. Positioning block; 3031. Connecting rod; 3032. Limiting column; 304. Elastic member; 305. Inner slider; 4. Mounting plate; 401. Outer slide groove; 402. Inner ring groove; 403. Inner gear ring; 5. Ring frame; 501. Outer gear; 502. Mounting seat; 5021. Hexagonal groove; 5022. Rotating ring; 5023. Drive gear; 503. Connecting ring groove; 504. Lower limiting ring; 6. Fasteners. DETAILED DESCRIPTION

[0032] In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described in conjunction with the drawings of the specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the usual meanings in the art. The same reference numerals in the drawings represent the same components.

[0033] Please refer to Figures 1 to 10 As shown: Embodiment 1: The present invention provides a heat treatment device for automobile fasteners, comprising a heat treatment box 1; A group of long gears 101 are rotatably installed at the rear end of the heat treatment box 1, a group of driving motors 1011 are fixedly installed on the top of the heat treatment box 1, positioning grooves 103 are equidistantly provided in the vertical direction at both ends of the inner side of the heat treatment box 1, a box door is rotatably installed at the front side of the heat treatment box 1, a group of heaters 2 are fixedly installed on the top of the heat treatment box 1, a group of telescopic heating cylinders 201 are installed at the bottom of the heater 2, and the telescopic heating cylinders 201 are placed inside the heat treatment box 1, and a mounting frame 3 is slidably installed inside the heat treatment box 1, and the mounting frame 3 slides up A group of mounting plates 4 are rotatably installed, a group of grooves are respectively opened at both ends of the outer side of the mounting frame 3, a group of positioning blocks 303 are respectively slidably installed on both side ends of the mounting frame 3, and the positioning blocks 303 on both side ends of the mounting frame 3 are respectively plugged and installed on the positioning grooves 103 at both ends of the inner side of the heat treatment box 1, a group of annular frames 5 are rotatably installed on the mounting plate 4, and six groups of mounting seats 502 are rotatably installed on the annular frame 5 in a circular array, and a group of fasteners 6 are respectively plugged and installed on the mounting seats 502, and the mounting seats 502 are respectively meshed and transmission connected with the inner ends of the mounting plate 4.

[0034] Among them, Figures 4 to 10As shown, the top of the long gear 101 is fixedly mounted on the transmission shaft of the driving motor 1011, a group of external gears 501 are fixedly mounted on the top of the annular frame 5, and the external gears 501 at the top of the annular frame 5 are meshed and transmission-connected with the long gear 101 at the rear end of the heat treatment box 1, a group of rotating rings 5022 are fixedly mounted on the bottom of the mounting seat 502, six groups of connecting ring grooves 503 are arranged in a circular array inside the annular frame 5, and the rotating rings 5022 at the bottom of the mounting seat 502 are respectively rotatably mounted on the connecting ring grooves 503 inside the annular frame 5, a group of driving gears 5023 are fixedly connected to the mounting seat 502, a group of internal gear rings 403 are fixedly connected to the top of the inner part of the mounting plate 4, and the internal gear rings 403 at the top of the inner part of the mounting plate 4 are respectively connected to the six groups of mounting seats The driving gear 5023 on 502 is meshed and connected for transmission. A group of inner ring grooves 402 are provided at the inner end of the mounting plate 4. A group of lower limit rings 504 are fixedly connected to the bottom of the annular frame 5, and the lower limit ring 504 fixed at the bottom of the annular frame 5 is rotatably installed on the inner ring groove 402 at the inner end of the mounting plate 4. A group of inner sliders 305 are fixedly installed on both sides of the inner end of the mounting frame 3. A group of outer slide grooves 401 are provided on both sides of the mounting plate 4, and the outer slide grooves 401 on both sides of the mounting plate 4 are slidably installed on the inner sliders 305 on both sides of the inner end of the mounting frame 3. A group of hexagonal grooves 5021 are provided at the top of the mounting seat 502. The top of the fastener 6 is a hexagonal head, and the hexagonal head at the top of the fastener 6 is plugged and installed on the hexagonal groove 5021 provided on the top of the mounting seat 502.The specific function is that the hexagonal head at the top of the fastener 6 is plugged and installed on the hexagonal groove 5021 opened on the top of the mounting seat 502, and the outer sliding grooves 401 on both sides of the mounting plate 4 are respectively slidably installed on the inner sliding blocks 305 on both sides of the inner end of the mounting frame 3, so that the mounting plate 4 of the device and the fastener 6 thereon are easy to disassemble and assemble quickly after the heat treatment is completed, and the lower limit ring 504 fixed at the bottom of the annular frame 5 is rotatably installed on the inner ring groove 402 at the inner end of the mounting plate 4, and after the mounting plate 4 is pushed inward to the inner end of the mounting frame 3, the outer gear 501 at the top of the annular frame 5 is meshed and connected with the long gear 101 at the rear end of the heat treatment box 1, and the driving motor 1011 drives the long gear 101 to rotate, which can drive the annular frame 5 and the fastener 6 thereon to rotate, and the rotating ring 5022 at the bottom of the mounting seat 502 The inner gear ring 403 at the top of the mounting plate 4 is respectively rotatably mounted on the connecting ring groove 503 inside the annular frame 5, and is respectively meshed and connected with the driving gear 5023 on the six sets of mounting seats 502, so that when the annular frame 5 drives the six sets of fasteners 6 to rotate, the mounting seats 502 drive the fasteners 6 to rotate synchronously around their axis, so that the device has a better uniformity effect on the heat treatment of the fasteners 6, effectively improving the heat treatment effect of the device on the fasteners 6, avoiding the uneven heating of the fasteners 6 during the heat treatment of the device to affect the use effect of the device, and when the annular frame 5 of the device moves up and down under the drive of the mounting frame 3, the outer gears 501 at the top of different annular frames 5 are always meshed and connected with the long gears 101 at the rear end of the heat treatment box 1, so that the device has better linkage. ;

[0035] Embodiment 2: Based on Embodiment 1, wherein Figure 2 and Figure 3As shown, two ends of the mounting frame 3 are respectively fixedly connected with a group of connecting blocks 301, and a group of sliding holes are opened on the connecting blocks 301, and a group of guide rods 102 are respectively fixedly installed at two ends of the interior of the heat treatment box 1, and the sliding holes on the connecting blocks 301 at two ends of the mounting frame 3 are respectively slidably installed on the guide rods 102 at two ends of the interior of the heat treatment box 1, and a group of lower brackets 302 are respectively fixedly installed at two ends of the front side of the mounting frame 3, and a group of sliding holes are opened on the lower bracket 302, and the outer end of the positioning block 303 is fixedly connected with a group of connecting rods 3031, and the connecting rods 3031 at the outer ends of the positioning block 303 are respectively slidably installed on the sliding holes of the lower bracket 302, and a group of limiting columns 3032 are also fixedly installed on the connecting rods 3031 at the outer ends of the positioning block 303, and a group of elastic members 304 are sleeved and installed on the connecting rods 3031, and the inner ends of the elastic members 304 are in contact with the outer end surfaces of the upper limit columns 3032 of the connecting rods 3031; the specific function is that the two ends of the mounting frame 3 are connected The locating blocks 303 are respectively disengaged from the locating grooves 103 at the two ends of the inner side of the heat treatment box body 1 by pulling the two sets of locating blocks 303 inwardly. After the mounting bracket 3 and the mounting plate 4 thereon are adjusted up and down to the required position, the locating blocks 303 are loosened and installed on the locating grooves 103 at the two ends of the inner side of the heat treatment box body 1 under the action of the elastic member 304 sleeved and installed on the connecting rod 3031. Therefore, the device can be easily adjusted according to the different specifications and lengths of the fasteners 6 to adjust the spacing distance between the mounting plates 4 of the two adjacent mounting brackets 3, so that the device has better adjustability, effectively improving the device's installation adaptability to fasteners 6 of different specifications and lengths and the space utilization rate of the internal heat treatment when the device is used.

[0036] Embodiment 3: On the basis of Embodiment 1 and Embodiment 2, a group of cover plates are further installed on the top of the heat treatment box 1, and the top cover plate of the heat treatment box 1 is fixedly installed on the top of the heat treatment box 1 by four groups of bolts, so that when the device needs to add or maintain the mounting frame 3, it is convenient to quickly disassemble and assemble the cover plate by removing the bolts on the cover plate, and the sliding holes on the connecting blocks 301 at both ends of the mounting frame 3 are slidably installed on the guide rods 102 at both ends inside the heat treatment box 1, so as to facilitate the installation or maintenance of the mounting frame 3 in the heat treatment box 1, further improving the efficiency of the device in disassembly and maintenance of its internal components, and making it convenient for the device to disassemble and maintain the heater 2 and the telescopic heating tube 201. The telescopic heating tube 201 can also be replaced with a heating nozzle, and the heating nozzle is connected to a connecting pipe. A group of electric telescopic rods are installed on the top of the heat treatment box 1, and the heating nozzle is fixedly installed at the bottom of the transmission shaft of the electric telescopic rod.

[0037] Embodiment 4: On the basis of embodiments 1, 2 and 3, the sliding holes on the connecting blocks 301 at both ends of the mounting frame 3 are respectively slidably mounted on the guide rods 102 at both ends of the heat treatment box 1, and the inner ends of the sliding holes on the connecting blocks 301 can be mounted with balls in a circular array, and the inner ends of the balls are in contact with the outer end surfaces of the guide rods 102 at both ends of the heat treatment box 1, further improving the smoothness of the mounting frame 3 sliding on the guide rods 102 inside the heat treatment box 1. The rotating ring 5022 at the bottom of the mounting seat 502 is divided into The ring 5022 and the lower limit ring 504 are rotatably mounted on the connecting ring groove 503 inside the ring frame 5, and the lower limit ring 504 fixed at the bottom of the ring frame 5 is rotatably mounted on the inner ring groove 402 at the inner end of the mounting plate 4. The outer walls of the rotating ring 5022 and the lower limit ring 504 can be respectively clamped and mounted with balls, and the outer ends of the balls are respectively in contact with the connecting ring groove 503 inside the ring frame 5 and the inner walls of the inner ring groove 402 at the inner end of the mounting plate 4, which effectively improves the smoothness of the rotation of the mounting seat 502 on the ring frame 5 and the ring frame 5 on the mounting plate 4.

[0038] Specific usage and function of this embodiment: In the present invention, the hexagonal head at the top of the fastener 6 is plugged and installed on the hexagonal groove 5021 opened on the top of the mounting seat 502, and the outer slide grooves 401 on both sides of the mounting plate 4 are respectively slidably installed on the inner slide blocks 305 on both sides of the inner end of the mounting frame 3, so that the mounting plate 4 of this device and the fastener 6 thereon are easy to disassemble and assemble quickly after the heat treatment is completed. The lower limit ring 504 fixed at the bottom of the annular frame 5 is rotatably installed on the inner ring groove 402 at the inner end of the mounting plate 4, and after the mounting plate 4 is pushed inward to the inner end of the mounting frame 3, the outer gear 501 at the top of the annular frame 5 is meshed with the long gear 101 at the rear end of the heat treatment box 1 The drive motor 1011 drives the long gear 101 to rotate, which can drive the annular frame 5 and the fastener 6 thereon to rotate. The rotating ring 5022 at the bottom of the mounting seat 502 is respectively rotatably mounted on the connecting ring groove 503 inside the annular frame 5. The inner gear ring 403 at the top of the mounting plate 4 is respectively meshed with the driving gear 5023 on the six groups of mounting seats 502 for transmission connection, so that the annular frame 5 drives the six groups of fasteners 6 to rotate while the mounting seat 502 drives the fastener 6 to rotate synchronously around its axis, so that the device has a better uniformity effect on the heat treatment of the fastener 6, effectively improving the heat treatment effect of the device on the fastener 6, and avoiding The device is free from the effect of the use of the device caused by uneven heating during the heat treatment of the fastener 6, and when the annular frame 5 of the device moves up and down under the drive of the mounting frame 3, the outer gear 501 at the top of the different annular frames 5 is always meshed and connected with the long gear 101 at the rear end of the heat treatment box 1, so that the device has better linkage; the sliding holes on the connecting blocks 301 at both ends of the mounting frame 3 are respectively slidably installed on the guide rods 102 at both ends of the heat treatment box 1, and the connecting rods 3031 at the outer ends of the positioning blocks 303 are respectively slidably installed on the sliding holes of the lower bracket 302, and the two groups of positioning blocks 303 are pulled inward so that the positioning blocks 303 are respectively connected to the inner side of the heat treatment box 1. The positioning grooves 103 at both ends are disengaged, and after the mounting frame 3 and the mounting plate 4 thereon are adjusted up and down to the desired position, the positioning blocks 303 are loosened, and under the action of the elastic member 304 sleeved and installed on the connecting rod 3031, the positioning blocks 303 at both side ends of the mounting frame 3 are respectively inserted and installed on the positioning grooves 103 at both ends of the inner side of the heat treatment box 1, so that the device can be conveniently adjusted according to the different specifications and lengths of the fasteners 6. The spacing distance of the mounting plates 4 on the two adjacent groups of mounting frames 3 is adjusted, so that the device has better adjustability, effectively improving the installation adaptability of the device to fasteners 6 of different specifications and lengths and the space utilization rate of the internal heat treatment when the device is used.

Claims

1. A heat treatment device for automobile fasteners, comprising a heat treatment box (1); A group of long gears (101) are rotatably mounted on the rear end of the heat treatment box (1), a group of drive motors (1011) are fixedly mounted on the top of the heat treatment box (1), positioning grooves (103) are equidistantly provided at both ends of the inner side of the heat treatment box (1) in the vertical direction, a box door is rotatably mounted on the front side of the heat treatment box (1), a group of heaters (2) are fixedly mounted on the top of the heat treatment box (1), a group of telescopic heating cylinders (201) are mounted on the bottom of the heaters (2), and the telescopic heating cylinders (201) are placed inside the heat treatment box (1), characterized in that: A mounting frame (3) is slidably mounted inside the heat treatment box (1), a group of mounting plates (4) are slidably mounted on the mounting frame (3), a group of grooves are respectively opened at both ends of the outer side of the mounting frame (3), a group of positioning blocks (303) are respectively slidably mounted on both side ends of the mounting frame (3), and the positioning blocks (303) at both side ends of the mounting frame (3) are respectively plugged and mounted on the positioning grooves (103) at both ends of the inner side of the heat treatment box (1), a group of annular frames (5) are rotatably mounted on the mounting plate (4), six groups of mounting seats (502) are rotatably mounted on the annular frames (5) in a circular array, a group of fasteners (6) are respectively plugged and mounted on the mounting seats (502), and the mounting seats (502) are respectively meshed and transmission-connected with the inner ends of the mounting plates (4).

2. The heat treatment device for automobile fasteners according to claim 1, characterized in that: The top of the long gear (101) is fixedly mounted on the transmission shaft of the driving motor (1011), a group of external gears (501) is fixedly mounted on the top of the annular frame (5), and the external gears (501) at the top of the annular frame (5) are meshed and transmission-connected with the long gears (101) at the rear end inside the heat treatment box (1).

3. The heat treatment device for automobile fasteners according to claim 1, characterized in that: A group of rotating rings (5022) are fixedly mounted on the bottom of the mounting seat (502), six groups of connecting ring grooves (503) are provided in a circular array inside the annular frame (5), and the rotating rings (5022) at the bottom of the mounting seat (502) are rotatably mounted on the connecting ring grooves (503) inside the annular frame (5).

4. The heat treatment device for automobile fasteners according to claim 1, characterized in that: A group of driving gears (5023) is fixedly connected to the mounting seat (502), a group of internal gear rings (403) is fixedly connected to the internal top of the mounting plate (4), and the internal gear rings (403) at the internal top of the mounting plate (4) are respectively meshed and transmission-connected with the six groups of driving gears (5023) on the mounting seats (502).

5. The heat treatment device for automobile fasteners according to claim 1, characterized in that: A group of inner ring grooves (402) are formed at the inner end of the mounting plate (4), a group of lower limit rings (504) are fixedly connected to the bottom of the annular frame (5), and the lower limit rings (504) fixed at the bottom of the annular frame (5) are rotatably mounted on the inner ring grooves (402) at the inner end of the mounting plate (4).

6. The heat treatment device for automobile fasteners according to claim 1, characterized in that: A group of inner sliding blocks (305) are fixedly mounted on both sides of the inner end of the mounting frame (3), a group of outer sliding grooves (401) are respectively opened on both sides of the mounting plate (4), and the outer sliding grooves (401) on both sides of the mounting plate (4) are respectively slidably mounted on the inner sliding blocks (305) on both sides of the inner end of the mounting frame (3).

7. The heat treatment device for automobile fasteners according to claim 1, characterized in that: A group of hexagonal grooves (5021) are provided on the top of the mounting seat (502), the top of the fastener (6) is a hexagonal head, and the hexagonal head on the top of the fastener (6) is plugged and installed on the hexagonal grooves (5021) provided on the top of the mounting seat (502).

8. The heat treatment device for automobile fasteners according to claim 1, characterized in that: A group of connecting blocks (301) are fixedly connected at both ends of the mounting frame (3), and a group of sliding holes are provided on the connecting blocks (301). A group of guide rods (102) are fixedly installed at both ends of the interior of the heat treatment box (1), and the sliding holes on the connecting blocks (301) at both ends of the mounting frame (3) are slidably installed on the guide rods (102) at both ends of the interior of the heat treatment box (1).

9. The heat treatment device for automobile fasteners according to claim 1, characterized in that: A group of lower brackets (302) are fixedly mounted at both ends of the front side of the mounting frame (3), a group of sliding holes are opened on the lower brackets (302), a group of connecting rods (3031) are fixedly connected to the outer ends of the positioning blocks (303), and the connecting rods (3031) at the outer ends of the positioning blocks (303) are slidably mounted on the sliding holes of the lower brackets (302).

10. The heat treatment device for automobile fasteners according to claim 9, characterized in that: A group of limiting columns (3032) are fixedly mounted on the connecting rod (3031) at the outer end of the positioning block (303), and a group of elastic members (304) are sleeved and mounted on the connecting rod (3031), and the inner ends of the elastic members (304) are in contact with the outer end surfaces of the limiting columns (3032) of the connecting rod (3031).

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