Heat treatment tool for automobile suspension anti-loose fastener

Abstract

A heat treatment tool for an automobile suspension anti-loose fastener comprises a heat treatment furnace body, the heat treatment furnace body comprises an inner layer wall and an outer layer wall, heating cavity structures are formed in the left side, the right side and the rear side of the heat treatment furnace body and between the inner layer wall and the outer layer wall, a heat treatment cavity is formed in the heat treatment furnace body, and a heat treatment cavity is formed in the heat treatment cavity. The heating cavity structure is arranged around the outer side of the heat treatment cavity; the furnace door is arranged at the position, corresponding to the heat treatment chamber, of the front surface of the heat treatment furnace body; the furnace door is connected with the heat treatment furnace body through the automatic door opening device; the bearing and fixing table is arranged in the heat treatment chamber and is used for bearing a heat treatment part; and the bearing fixing table is connected with the inner wall of the furnace door through the connecting piece. The heat treatment tool for the automobile suspension anti-loose fastener is reasonable in design, has an efficient heating structure and good heat insulation and protection, and improves the operation convenience and the working efficiency at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat treatment technical field, concretely relates to a kind of automobile suspension anti-loose fastener heat treatment tooling. BACKGROUND

[0002] Automobile suspension system as the key component of guaranteeing vehicle to travel smoothly and safely, indispensable role is played in the anti-loose fastener in vehicle operation process.Suspension system in the anti-loose fastener needs to bear complex and changeable alternating load when vehicle travels, including impact force generated by road bump, inertial force when vehicle accelerates and brakes etc.The comprehensive effect of these loads puts forward extremely high requirement to the connection reliability of anti-loose fastener, once fastener appears loose or failure, it is extremely possible to cause serious safety accident.

[0003] Heat treatment as the core process of improving the comprehensive mechanical properties of fastener, has key role to improve its strength, toughness, fatigue resistance etc.

[0004] At present, in the heat treatment process of automobile suspension anti-loose fastener, traditional tooling has many problems that cannot be ignored.For example, the heating mode of traditional tooling often leads to uneven heating of fastener.Due to the limitation of heat transfer, there can be temperature difference in fastener at different positions in the same heat treatment batch, which directly affects the performance consistency of product after heat treatment, so that part of product cannot reach the expected quality standard, increases the rate of defective products, and improves production cost.For example, traditional tooling also has deficiency in loading and unloading, and workers face high labor intensity and safety risk in frequent loading and unloading process.

[0005] Therefore, to solve the above technical problems, the utility model provides a kind of heat treatment tooling of automobile suspension anti-loose fastener.The tooling needs to have efficient heating structure, can ensure that fastener is heated evenly when heat treatment, and also needs to be convenient to load and unload, improves the operation convenience, work efficiency and personnel safety. UTILITY MODEL CONTENT

[0006] UTILITY MODEL OBJECT: in order to overcome above insufficient, the utility model aims at providing a kind of heat treatment tooling of automobile suspension anti-loose fastener, design is reasonable, has efficient heating structure, good heat insulation and protection, improves the convenience of operation and work efficiency simultaneously, and application prospect is wide.

[0007] TECHNICAL SCHEME: a kind of heat treatment tooling of automobile suspension anti-loose fastener, comprising:

[0008] The utility model relates to a heat treatment furnace body, which comprises an inner layer wall and an outer layer wall, a heating cavity structure is formed between the left, right and rear sides of the heat treatment furnace body and the inner layer wall and the outer layer wall, the inside of the heat treatment furnace body is a heat treatment chamber, and the heating cavity structure is arranged around the outside of the heat treatment chamber.

[0009] A furnace door is arranged on the front side of the heat treatment furnace body corresponding to the position of the heat treatment chamber.

[0010] An automatic door opening device is arranged to connect the furnace door with the heat treatment furnace body.

[0011] A bearing fixing table is arranged in the heat treatment chamber to bear the heat treatment piece.

[0012] A connecting piece is arranged to connect the bearing fixing table with the inner wall of the furnace door.

[0013] The automobile suspension anti-loose fastener heat treatment tool has an efficient heating structure, the heating cavity structure is arranged around the outside of the heat treatment chamber, the heat can be uniformly transmitted into the heat treatment chamber, the temperature gradient is reduced, the uniformity of the temperature distribution in the heat treatment chamber is ensured, and the quality consistency of the heat treatment piece is improved.

[0014] The automobile suspension anti-loose fastener heat treatment tool has good heat insulation and protection, the heat treatment furnace body adopts the inner layer wall and the outer layer wall structure, the heating cavity structure is formed between the inner layer wall and the outer layer wall, the design plays a heat insulation role to a certain extent, the heat emission of the heat treatment furnace is reduced, the energy consumption is reduced, the safety of the operator working around the equipment is improved, and the safety accidents such as scalding caused by the overheating of the surface of the furnace body are avoided. The inner layer wall can be made of a material with good heat conduction performance, for example, 6061 aluminum alloy, 304 stainless steel, etc., and the outer layer wall can be made of a material with good heat insulation performance, for example, a combination of a metal material and a heat insulation material (for example, rock wool, aluminum silicate fiber cotton, etc.), so as to reduce heat loss.

[0015] The automobile suspension anti-loose fastener heat treatment tool has good operation convenience, the furnace door is provided with an automatic door opening device, and the bearing fixing table is connected with the inner wall of the furnace door through the connecting piece, the design realizes the automatic entry and exit of the heat treatment piece with the furnace door, improves the operation convenience and working efficiency, and improves the operation safety of the operator.

[0016] Further, the automobile suspension anti-loose fastener heat treatment tool comprises an inductive heater arranged in the heating cavity structure, and an inductive heating power supply arranged on the top of the heat treatment furnace body, and the inductive heater is electrically connected with the inductive heating power supply.

[0017] The utility model discloses adopt inductive heating mode, has the advantages such as fast heating speed, high efficiency, heating uniformity.

[0018] Further, the automobile suspension anti-loose fastener heat treatment tool further comprises:

[0019] A temperature adjusting system is arranged in the heat treatment chamber, and the temperature adjusting system comprises a temperature sensor, a digital signal processing module, an analog / digital converter, a data packaging module and a three-wire system module.

[0020] Further, the automobile suspension anti-loose fastener heat treatment tool further comprises:

[0021] A controller is arranged on one side of the heat treatment furnace body, and the temperature sensor, the digital signal processing module, the analog / digital converter, the data packaging module, the three-wire system module and the controller are sequentially connected.

[0022] The temperature sensor is arranged on the inner wall of the heat treatment chamber, and the temperature information in the heat treatment chamber can be accurately detected.

[0023] Based on the obtained temperature information, the operator can manually or automatically control the inductive heating power supply according to the pre-set parameters, such as opening and closing operation, and can also control and adjust the inductive heating frequency.

[0024] Specifically, the temperature sensor outputs an analog signal, which is first transmitted to the digital signal processing module, and then converted into a digital signal output through the analog / digital converter.

[0025] Further, the automobile suspension anti-loose fastener heat treatment tool further comprises:

[0026] The gas circulation device is arranged outside the heat treatment furnace body; the gas circulation device comprises a gas inlet pipe, a gas outlet pipe, a gas suction pump and a gas storage tank; one end of the gas inlet pipe extends into the heat treatment furnace body and communicates with the inside of the heat treatment chamber, one end of the gas outlet pipe extends into the heat treatment furnace body and communicates with the inside of the heat treatment chamber, and the other end of the gas outlet pipe, the gas suction pump, the gas storage tank and the other end of the gas inlet pipe are connected.

[0027] For the workpiece that cannot be heat treated in air, the gas circulation device can continuously provide an inert gas environment for the heat treatment chamber. The inert gas in the gas storage tank is transported to the heat treatment chamber through the gas inlet pipe, while the gas in the chamber is extracted through the gas outlet pipe, so as to maintain a stable inert gas atmosphere in the chamber, realize the recycling of the gas, meet the special heat treatment process requirements of the workpiece, ensure that the workpiece is heat treated in a suitable gas environment, prevent the workpiece from chemically reacting with oxygen and other components in the air, and affect the heat treatment quality.

[0028] Further, the automobile suspension anti-loose fastener heat treatment tooling described above further comprises a gas filter, and the other end of the gas outlet pipe, the gas filter, the gas suction pump, the gas storage tank and the other end of the gas inlet pipe are connected.

[0029] The gas filter is used for filtering impurities in the gas, which not only helps to improve the heat treatment quality of the workpiece, but also reduces the erosion and damage of impurities to the internal structure and components of the heat treatment furnace body.

[0030] Further, the automobile suspension anti-loose fastener heat treatment tooling described above further comprises an automatic door opening device.

[0031] The fixed support posts are arranged in pairs and symmetrically on the left and right sides of the heat treatment furnace body and located outside the furnace door.

[0032] The sliding support posts are arranged in pairs and symmetrically on the left and right sides of the heat treatment furnace body and located outside the furnace door.

[0033] The hydraulic telescopic devices are arranged in pairs and symmetrically on the left and right sides of the heat treatment furnace body and located outside the furnace door and between the four fixed support posts.

[0034] When the furnace door needs to be opened, the hydraulic telescopic rod of the hydraulic telescopic device is extended to drive the furnace door to move outward through the connecting block. During the movement of the furnace door, the sliding support rod originally inserted into the sliding groove of the fixed support slides along the sliding groove, plays a guiding and supporting role, and ensures that the furnace door is stably opened outward. When the furnace door needs to be closed, the hydraulic telescopic rod of the hydraulic telescopic device is retracted to pull the furnace door inward through the connecting block, and the sliding support rod slides reversely along the sliding groove of the fixed support until the furnace door is closed and sealed to the main body of the heat treatment furnace.

[0035] The automobile suspension anti-loose fastener heat treatment tool has the advantages that the design is reasonable, heat can be uniformly transmitted into the heat treatment cavity through the layout of the heating cavity surrounding the heat treatment cavity, temperature gradient is significantly reduced, uniformity of temperature distribution is ensured, and quality consistency of heat treated parts is improved; the inductive heating mode is adopted, the temperature adjusting system and the controller are matched to control and adjust opening, closing and inductive heating frequency of the inductive heating power source, energy optimization is realized, and economy and safety are improved; the heat treatment furnace body with the inner layer wall and the outer layer wall structure can not only effectively insulate heat and reduce energy consumption, but also improve work safety of operators; the automatic door opening device and the furnace door and the bearing fixing table connecting structure are matched to realize automatic in-out of the heat treated parts with the furnace door, operation convenience, work efficiency and personnel safety are greatly improved, and the automobile suspension anti-loose fastener heat treatment tool has wide application prospect. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 It is an appearance structure schematic view of the automobile suspension anti-loose fastener heat treatment tool.

[0037] Figure 2 It is a heat treatment furnace body cross section plan view of the automobile suspension anti-loose fastener heat treatment tool.

[0038] Figure 3 It is a control framework view of the automobile suspension anti-loose fastener heat treatment tool.

[0039] Figure 4 It is a bearing fixing table and connecting piece structure schematic view of the automobile suspension anti-loose fastener heat treatment tool.

[0040] In the figure: heat treatment furnace body 1, inner layer wall 11, outer layer wall 12, heating cavity structure 13, heat treatment chamber 14, induction heating power supply 15, induction heater 16, furnace door 2, automatic door opening device 3, fixed support 31, sliding support 32, hydraulic telescopic device 33, connecting block 331, bearing fixed table 4, connecting piece 5, temperature sensor 61, digital signal processing module 62, analog / digital converter 63, data packaging module 64, three-wire module 65, controller 7, gas circulation device 8, gas inlet pipe 81, gas outlet pipe 82, gas pump 83, gas storage tank 84, gas filter 85. DETAILED DESCRIPTION

[0041] The utility model is further illustrated below in combination with the accompanying drawings Figure 1 、 2 , 3, 4 and example 1, example 2.

[0042] Example 1

[0043] As shown in Figure 1 、 2 , the automobile suspension anti-loose fastener heat treatment tooling, including heat treatment furnace body 1, furnace door 2, automatic door opening device 3, gas circulation device 8.

[0044] As shown in Figure 2 , the heat treatment furnace body 1 includes inner layer wall 11 and outer layer wall 12, and a heating cavity structure 13 is formed between the left, right and rear sides of the heat treatment furnace body 1 and the inner layer wall 11 and the outer layer wall 12, the inside of the heat treatment furnace body 1 is a heat treatment chamber 14, and the heating cavity structure 13 is arranged around the outside of the heat treatment chamber 14. This layout enables heat to be evenly transmitted into the heat treatment chamber 14, reduces the temperature gradient, ensures the uniformity of temperature distribution in the heat treatment chamber 14, and is conducive to improving the quality consistency of the heat treated parts.

[0045] Further, as shown in Figure 1 、 2 , the front of the heat treatment furnace body 1 is provided with a furnace door 2 corresponding to the position of the heat treatment chamber 14. The furnace door 2 is connected with the heat treatment furnace body 1 through an automatic door opening device 3. The bearing fixed table 4 is arranged in the heat treatment chamber 14 for bearing the heat treated parts. The bearing fixed table 4 is connected with the inner wall of the furnace door 2 through a connecting piece 5. This design realizes the automatic entry and exit of the heat treated parts with the furnace door, improves the convenience and efficiency of operation, and improves the operation safety of the workers.

[0046] Further, the utility model adopts an induction heating mode, an induction heater 16 is arranged in the heating cavity structure 13, an induction heating power supply 15 is arranged on the top of the heat treatment furnace body 1, and the induction heater 16 is electrically connected with the induction heating power supply 15.

[0047] Further, a gas circulation device 8 is arranged outside the heat treatment furnace body 1. For the workpiece which cannot be heat treated in air, the gas circulation device 8 can continuously provide an inert gas environment for the heat treatment chamber. The gas circulation device 8 comprises an air inlet pipe 81, an air outlet pipe 82, a gas pump 83 and a gas storage tank 84. The inert gas in the gas storage tank 84 is transported to the heat treatment chamber 14 through the air inlet pipe, while the gas in the heat treatment chamber 14 is pumped out through the air outlet pipe 82, so as to maintain a stable inert gas atmosphere in the heat treatment chamber 14, realize the recycling of the gas, meet the special heat treatment process requirements of the workpiece, and ensure that the workpiece is heat treated in a suitable gas environment.

[0048] Further, the gas circulation device 8 further comprises a gas filter 85 arranged at the outlet of the air outlet pipe 82.

[0049] Embodiment 2

[0050] Based on the above structural basis of embodiment 1, as shown in Figure 1 、 2 , 3, 4.

[0051] The automobile suspension anti-loose fastener heat treatment tool also comprises a temperature adjusting system and a controller 7.

[0052] Further, as shown in Figure 3 , a plurality of temperature sensors 61 are uniformly arranged on the inner wall of the heat treatment chamber 14, which can accurately detect the temperature information in the heat treatment chamber. The obtained temperature information is processed by a digital signal processing module 62, an analog / digital converter 63, a data packaging module 64 and a three-wire module 65 in turn, and then transmitted to the controller 7. In the controller 7, these temperature information will be displayed and stored in real time, so that the operating personnel can know the running status of the heat treatment furnace in real time.

[0053] Based on the obtained temperature information, the operating personnel can manually or automatically control the induction heating power supply 15 according to the pre-set parameters, such as opening and closing operation, and can also control and adjust the induction heating frequency. In this way, the optimal utilization of energy can be realized, and the economy and safety of the heat treatment furnace operation can be improved.

[0054] Further, the automatic door opening device 3 comprises fixed support posts 31, sliding support rods 32 and hydraulic telescopic devices 33. The four fixed support posts 31 are symmetrically arranged on the left and right sides of the heat treatment furnace body 1 and located outside the furnace door 2. The four sliding support rods 32 are symmetrically arranged on the left and right sides of the heat treatment furnace body 1 and located outside the furnace door 2. One end of the sliding support rod 32 is inserted into the fixed support post 31 and the other end is connected to the outside of the furnace door 2. The cooperation of the fixed support post 31 and the sliding support rod 32 provides stable support and precise guidance for the movement of the furnace door 2.

[0055] Two hydraulic telescopic devices 33 are arranged on the left and right sides of the heat treatment furnace body 1 and located outside the furnace door 2 and between the four fixed support posts 31. The hydraulic telescopic rod of the hydraulic telescopic device 33 is connected to the outside of the furnace door 2 through a connecting block 331. The hydraulic telescopic device 33 can accurately control the position of the furnace door 2. By extending and retracting the hydraulic telescopic rod, the furnace door 2 can be tightly attached to the heat treatment furnace body 1, achieving good sealing effect.

[0056] When the furnace door 2 needs to be opened, the hydraulic telescopic rod of the hydraulic telescopic device 33 is extended, driving the furnace door 2 to move outward through the connecting block 331. During the movement of the furnace door, the sliding support rod 32 originally inserted into the sliding slot of the fixed support post 31 slides along the sliding slot, playing a guiding and supporting role, ensuring that the furnace door 2 opens smoothly outward.

[0057] When the furnace door 2 needs to be closed, the hydraulic telescopic rod of the hydraulic telescopic device 33 is retracted, pulling the furnace door 2 to move inward through the connecting block 331. The sliding support rod 32 then slides in the opposite direction along the sliding slot of the fixed support post 31 until the furnace door 2 is closed and sealed against the heat treatment furnace body 1.

[0058] The above is only the preferred embodiment of the present application. It should be noted that for ordinary skilled persons in the technical field, without departing from the principles of the present application, several improvements can be made, which should also be considered as the protection scope of the present application.

Claims

1. An automobile suspension anti-loosening fastener heat treatment tooling, characterized in that, It comprises: The heat treatment furnace body (1) comprises an inner layer wall (11) and an outer layer wall (12), a heating cavity structure (13) is formed between the left, right and rear sides of the heat treatment furnace body (1) and the inner layer wall (11) and the outer layer wall (12), the inside of the heat treatment furnace body (1) is a heat treatment chamber (14), and the heating cavity structure (13) is arranged around the outside of the heat treatment chamber (14); The furnace door (2) is arranged on the front side of the heat treatment furnace body (1) corresponding to the position of the heat treatment chamber (14); The automatic door opening device (3) is connected with the heat treatment furnace body (1) through the automatic door opening device (3); The bearing fixed table (4) is arranged in the heat treatment chamber (14) and is used for bearing the heat treatment parts; The bearing fixed table (4) is connected with the inner wall of the furnace door (2) through the connecting piece (5).

2. The heat treatment tooling for automotive suspension fastener according to claim 1, wherein, The heating cavity structure (13) is provided with an induction heater (16), the top of the heat treatment furnace body (1) is provided with an induction heating power supply (15), and the induction heater (16) is electrically connected with the induction heating power supply (15).

3. The heat treating fixture for automotive suspension fasteners of claim 1, wherein, It also comprises: A temperature adjusting system; the temperature adjusting system comprises a temperature sensor (61), a digital signal processing module (62), an analog / digital converter (63), a data packaging module (64) and a three-wire module (65); the temperature sensor (61) is arranged on the inner wall of the heat treatment chamber (14) and is connected with the digital signal processing module (62), the analog / digital converter (63), the data packaging module (64) and the three-wire module (65) in sequence.

4. The heat treatment tooling for automotive suspension fastener according to claim 3, wherein, It also comprises: A controller (7) is arranged on one side of the heat treatment furnace body (1), and the temperature sensor (61), the digital signal processing module (62), the analog / digital converter (63), the data packaging module (64), the three-wire module (65) and the controller (7) are connected in sequence, the controller (7) is connected with the induction heating power supply (15) and controls the induction heating power supply (15).

5. The heat treating fixture for automotive suspension clamp fasteners of claim 4 wherein, It also comprises: A gas circulating device (8) is arranged on one side of the heat treatment furnace body (1); the gas circulating device (8) comprises an air inlet pipe (81), an air outlet pipe (82), a gas pump (83) and a gas storage tank (84); one end of the air inlet pipe (81) extends into the heat treatment furnace body (1) and communicates with the inside of the heat treatment chamber (14), one end of the air outlet pipe (82) extends into the heat treatment furnace body (1) and communicates with the inside of the heat treatment chamber (14), and the other end of the air outlet pipe (82), the gas pump (83), the gas storage tank (84) and the other end of the air inlet pipe (81) are connected.

6. The heat treating fixture for automotive suspension clamp fasteners of claim 5 wherein, The gas circulating device (8) further comprises a gas filter (85), and the other end of the air outlet pipe (82), the gas filter (85), the gas pump (83), the gas storage tank (84) and the other end of the air inlet pipe (81) are connected.

7. The heat treating fixture for automotive suspension fasteners of claim 1, wherein, The automatic door opening device (3) comprises: Four fixed support columns (31) are symmetrically arranged on the left and right sides of the heat treatment furnace body (1) and located outside the furnace door (2); the fixed support column (31) is a cylindrical structure with a sliding groove in the inside; Four sliding support columns (32) are symmetrically arranged on the left and right sides of the heat treatment furnace body (1) and located outside the furnace door (2); the sliding support column (32) is an L-shaped structure, one end of which is slidably inserted into the fixed support column (31) and the other end of which is connected to the outside of the furnace door (2); Two hydraulic telescopic devices (33) are arranged on the left and right sides of the heat treatment furnace body (1) and located outside the furnace door (2) and between the four fixed support columns (31); the hydraulic telescopic rod of the hydraulic telescopic device (33) is connected to the outside of the furnace door (2) through a connecting block (331).

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