Separated powder metallurgy high-speed steel quenching device

Abstract

The utility model relates to the technical field of powder metallurgy high-speed steel quenching, and discloses a separation type powder metallurgy high-speed steel quenching device which comprises a treatment box, a fixing groove is formed in the inner wall of the treatment box, a reciprocating lead screw is rotationally connected to the inner bottom of the fixing groove, and a driving block for reciprocating motion is arranged on the surface of the reciprocating lead screw. A water spraying assembly used for quenching is connected to the surface of the driving block in a penetrating mode, and a box cover is arranged at the top of the treatment box. According to the separated powder metallurgy high-speed steel quenching device, through the arrangement of the exhaust assembly, when powder metallurgy high-speed steel is subjected to quenching treatment, a negative pressure fan and a controller are connected to an external power source, so that the negative pressure fan rotates to suck and discharge steam generated by quenching in the treatment box to the outside through an air duct; and the situation that the temperature in the treatment box cannot be reduced due to the fact that steam remains in the treatment box is avoided, and the quenching quality of powder metallurgy high-speed steel is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of powder metallurgy high-speed steel quenching, in particular to a separate powder metallurgy high-speed steel quenching device. Background Art

[0002] Powder metallurgy high-speed steel began to be developed in the late 1960s and put into use in the 1970s. The special and advanced smelting method of powder metallurgy high-speed steel is an innovation in high-speed steel smelting. It has created a new type of steel with performance between cemented carbide and ordinary high-speed steel, making a new breakthrough in tool materials for the mechanical manufacturing industry. As a new type of steel with excellent performance, powder metallurgy high-speed steel is gradually being recognized and accepted by people, playing an increasingly important role in the mechanical processing industry. Powder parts are a kind of metal powder that is pressed and formed by high temperature and high pressure, and then subjected to high-frequency quenching and other treatment processes for heat treatment of hardness and toughness. Powder parts have the advantages of high strength, high hardness, high wear resistance, etc., and have gradually replaced metal parts made by traditional processes in fields such as the automotive industry, becoming the development trend of metal parts in the future.

[0003] A separate powder metallurgy high-speed steel quenching device disclosed in publication number CN219951115U can continuously complete the quenching and tempering heat treatment of powder metallurgy high-speed steel, thereby improving the heat treatment efficiency.

[0004] However, this separate powder metallurgy high-speed steel quenching device has the following disadvantages:

[0005] When quenching powder metallurgy high-speed steel, the spray position is relatively fixed, which makes it impossible to spray the liquid evenly on the surface of the powder metallurgy high-speed steel, reducing the quenching quality;

[0006] The liquid spray quenching treatment of powder metallurgy high-speed steel will produce a large amount of steam, but the steam cannot be discharged, causing the inside of the quenching equipment to remain in a high temperature state, affecting the quenching treatment. Utility Model Content

[0007] The technical problem solved by the utility model is to provide a separate powder metallurgy high-speed steel quenching device which is highly practical, can be simply operated and has a relatively simple structure. It solves the problem proposed in the above-mentioned background technology that the spray position is relatively fixed, resulting in the liquid being unable to be evenly sprayed on the surface of the powder metallurgy high-speed steel, and the powder metallurgy high-speed steel spray quenching treatment will generate a large amount of steam, which cannot be discharged, resulting in the quenching treatment equipment still being in a high temperature state.

[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: a separate powder metallurgy high-speed steel quenching device, including a processing box, the inner wall of the processing box is provided with a fixed groove, the inner bottom of the fixed groove is rotatably connected with a reciprocating screw, the surface of the reciprocating screw is provided with a driving block for reciprocating movement, the surface of the driving block is through-connected with a water spray assembly for quenching, the top of the processing box is provided with a box cover, and the top of the box cover is provided with an exhaust assembly for discharging mist generated by quenching in the processing box.

[0009] Optionally, the water spray assembly includes a hose connected to the surface of the driving block, one end of the hose passes through the side wall of the processing box and is connected to a water tank, a water pump is connected to the interior of the water tank, the water outlet of the water pump is connected to a drain pipe, one end of the drain pipe passes through the top of the water tank and is connected to the interior of one end of the hose, and the water inlet end of the water pump is connected to a suction pipe.

[0010] Optionally, the exhaust assembly includes an air duct arranged on the top of the box cover, a negative pressure fan is arranged at the top of the air duct, a protective net is sleeved on the surface of the negative pressure fan, and a controller for adjusting the speed of the negative pressure fan is arranged on the front of the air duct.

[0011] Optionally, a U-shaped frame is provided on the back of the processing box, and a driving motor is provided on the top of the U-shaped frame.

[0012] Optionally, the output end of the driving motor is fixedly connected to a first bevel gear, the surface of the first bevel gear is meshingly connected to a second bevel gear, the bottom end of the second bevel gear is fixedly connected to a connecting rod, the surface of the connecting rod passes through the interior of the box cover and is fixedly connected to the top end of the reciprocating screw.

[0013] Optionally, a support rod is fixedly connected to the inner bottom of the processing box, and a placement plate for placing powder metallurgy high-speed steel is provided on the top of the support rod.

[0014] The utility model provides a separate powder metallurgy high-speed steel quenching device, which has the following beneficial effects:

[0015] 1. The separate powder metallurgy high-speed steel quenching device, through the arrangement of a water spray assembly, a reciprocating screw and a driving block, when the powder metallurgy high-speed steel is subjected to a liquid spray quenching treatment, the powder metallurgy high-speed steel is placed on a placing plate, and at this time, the driving motor is connected to an external power supply, so that the driving motor drives the connecting rod to rotate through the first bevel gear and the second bevel gear, and then drives the connecting rod to rotate inside the fixed groove, so as to drive the driving block to reciprocate up and down on the surface of the reciprocating screw. Due to the hose on the surface of the driving block, one end of the hose passes through the side wall of the treatment box and is connected to a water tank, a water pump is sleeved inside the water tank, a water outlet end of the water pump is connected to a drain pipe, one end of the drain pipe passes through the top of the water tank and is connected to the inside of one end of the hose, and the water inlet end of the water pump is connected to a pumping pipe, so that water can be moved up and down to spray water, and evenly sprayed on the surface of the powder metallurgy high-speed steel, thereby improving the uniformity of quenching.

[0016] 2. The separate powder metallurgy high-speed steel quenching device, through the setting of the exhaust component, connects the negative pressure fan and the controller to the external power supply during the quenching of the powder metallurgy high-speed steel, so that the rotation of the negative pressure fan can suck in the steam generated by the quenching inside the processing box through the wind tube and discharge it to the outside, avoiding the steam from remaining inside the processing box and causing the temperature inside the processing box to be unable to drop, thereby further improving the quality of the quenching of the powder metallurgy high-speed steel. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the processing box of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the water spray assembly of the utility model;

[0020] Figure 4 This is a schematic diagram of the exhaust assembly structure of the utility model.

[0021] In the figure: 1. treatment box; 2. fixing groove; 3. reciprocating screw; 4. driving block; 5. water spray assembly; 51. hose; 52. water tank; 53. water pump; 54. drain pipe; 55. suction pipe; 6. box cover; 7. exhaust assembly; 71. air duct; 72. negative pressure fan; 73. protective net; 74. controller; 8. U-shaped frame; 9. driving motor; 10. first bevel gear; 11. second bevel gear; 12. connecting rod; 13. support rod; 14. placement plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figures 1 to 4 The utility model provides a technical solution: a separate powder metallurgy high-speed steel quenching device, including a processing box 1, the inner wall of the processing box 1 is provided with a fixed groove 2, the inner bottom of the fixed groove 2 is rotatably connected with a reciprocating screw 3, the surface of the reciprocating screw 3 is provided with a driving block 4 for reciprocating movement, the surface of the driving block 4 is through-connected with a water spray component 5 for quenching, the top of the processing box 1 is provided with a box cover 6, and the top of the box cover 6 is provided with an exhaust component 7 for discharging the mist generated by quenching in the processing box 1.

[0024] See also Figure 1 and Figure 2 The inner bottom of the processing box 1 is fixedly connected with a support rod 13, and the top of the support rod 13 is provided with a placement plate 14 for placing powder metallurgy high-speed steel.

[0025] By setting the placement plate 14 , the powder metallurgy high-speed steel can be placed on the surface of the placement plate 14 for quenching treatment.

[0026] See also Figure 1 and Figure 2 A U-shaped frame 8 is provided on the back of the processing box 1, and a driving motor 9 is provided on the top of the U-shaped frame 8. The output end of the driving motor 9 is fixedly connected to a first bevel gear 10, and the surface of the first bevel gear 10 is meshedly connected to a second bevel gear 11. The bottom end of the second bevel gear 11 is fixedly connected to a connecting rod 12, and the surface of the connecting rod 12 passes through the interior of the box cover 6 and is fixedly connected to the top end of the reciprocating screw rod 3.

[0027] Through the setting of the drive motor 9, when the powder metallurgy high-speed steel is subjected to liquid spray quenching treatment, the powder metallurgy high-speed steel is placed on the placement plate 14. At this time, the drive motor 9 is connected to an external power supply, so that the drive motor 9 drives the connecting rod 12 to rotate through the first bevel gear 10 and the second bevel gear 11, and then drives the connecting rod 12 to rotate inside the fixed groove 2, which can drive the drive block 4 to reciprocate up and down on the surface of the reciprocating screw 3. Example 1

[0028] See also Figure 3The water spray assembly 5 includes a hose 51 connected to the surface of the driving block 4. One end of the hose 51 passes through the side wall of the processing box 1 and is connected to a water tank 52. A water pump 53 is sleeved inside the water tank 52. A water outlet of the water pump 53 is connected to a drain pipe 54. One end of the drain pipe 54 passes through the top of the water tank 52 and is connected to the inside of one end of the hose 51. The water inlet of the water pump 53 is connected to a pumping pipe 55. One end of the hose 51 passes through the side wall of the treatment box 1 and is connected to a water tank 52. A water pump 53 is sleeved inside the water tank 52. The water outlet of the water pump 53 is connected to a drain pipe 54. One end of the drain pipe 54 passes through the top of the water tank 52 and is connected to the inside of one end of the hose 51. The water inlet end of the water pump 53 is connected to a pumping pipe 55, which can move up and down to spray water and evenly spray it onto the surface of the powder metallurgy high-speed steel to improve the uniformity of quenching. Example 2

[0029] See also Figure 3 The exhaust assembly 7 includes a duct 71 arranged on the top of the box cover 6, a negative pressure fan 72 is arranged on the top of the duct 71, a protective net 73 is sleeved on the surface of the negative pressure fan 72 for protection, and a controller 74 for adjusting the speed of the negative pressure fan 72 is arranged on the front of the duct 71. When the powder metallurgy high-speed steel is quenched, the negative pressure fan 72 and the controller 74 are connected to an external power supply, so that the rotation of the negative pressure fan 72 sucks in the steam generated by the quenching inside the processing box 1 through the duct 71 and discharges it to the outside, so as to avoid the steam remaining in the processing box 1 and causing the temperature in the processing box 1 to be unable to drop, thereby further improving the quality of the quenching of the powder metallurgy high-speed steel.

[0030] In the utility model, the working steps of the device are as follows:

[0031] The first step: when the powder metallurgy high-speed steel is subjected to liquid spray quenching treatment, the powder metallurgy high-speed steel is placed on the placement plate 14, and the drive motor 9 is connected to the external power supply at this time, so that the drive motor 9 drives the connecting rod 12 to rotate through the first bevel gear 10 and the second bevel gear 11, and then drives the connecting rod 12 to rotate inside the fixed groove 2, so as to drive the drive block 4 to move back and forth on the surface of the reciprocating screw rod 3. Due to the hose 51 on the surface of the drive block 4, one end of the hose 51 passes through the side wall of the treatment box 1 and is connected to a water tank 52, and a water pump 53 is sleeved inside the water tank 52, and the water outlet end of the water pump 53 is connected to a drain pipe 54, and one end of the drain pipe 54 passes through the top of the water tank 52 and is connected to the inside of one end of the hose 51, and the water inlet end of the water pump 53 is connected to a pumping pipe 55, so that it can move up and down to spray water;

[0032] The second step: during the quenching treatment of the powder metallurgy high-speed steel, the negative pressure fan 72 and the controller 74 are connected to an external power supply, so that the rotation of the negative pressure fan 72 can suck in the steam generated by the quenching inside the processing box 1 through the wind tube 71 and discharge it to the outside.

[0033] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0034] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0035] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A separate powder metallurgy high-speed steel quenching device, comprising a processing box (1), characterized in that: The inner wall of the processing box (1) is provided with a fixing groove (2), the inner bottom of the fixing groove (2) is rotatably connected to a reciprocating screw (3), the surface of the reciprocating screw (3) is provided with a driving block (4) for reciprocating movement, the surface of the driving block (4) is connected through with a water spray assembly (5) for quenching, the top of the processing box (1) is provided with a box cover (6), and the top of the box cover (6) is provided with an exhaust assembly (7) for discharging mist generated by quenching in the processing box (1).

2. A separate powder metallurgy high-speed steel quenching device according to claim 1, characterized in that: The water spray assembly (5) comprises a hose (51) which is connected to the surface of the driving block (4); one end of the hose (51) passes through the side wall of the treatment box (1) and is connected to a water tank (52); a water pump (53) is sleeved inside the water tank (52); a water outlet of the water pump (53) is connected to a drain pipe (54); one end of the drain pipe (54) passes through the top of the water tank (52) and is connected to the inside of one end of the hose (51); and a water inlet of the water pump (53) is connected to a water pump pipe (55).

3. The separate powder metallurgy high-speed steel quenching device according to claim 1, characterized in that: The exhaust assembly (7) comprises an air duct (71) arranged on the top of the box cover (6); a negative pressure fan (72) is arranged at the top of the air duct (71); a protective net (73) is sleeved on the surface of the negative pressure fan (72) for protection; and a controller (74) for adjusting the rotation speed of the negative pressure fan (72) is arranged on the front of the air duct (71).

4. The separate powder metallurgy high-speed steel quenching device according to claim 1, characterized in that: A U-shaped frame (8) is arranged on the back of the processing box (1), and a driving motor (9) is arranged on the top of the U-shaped frame (8).

5. A separate powder metallurgy high-speed steel quenching device according to claim 4, characterized in that: The output end of the driving motor (9) is fixedly connected to a first bevel gear (10), the surface of the first bevel gear (10) is meshingly connected to a second bevel gear (11), the bottom end of the second bevel gear (11) is fixedly connected to a connecting rod (12), and the surface of the connecting rod (12) passes through the interior of the box cover (6) and is fixedly connected to the top end of the reciprocating screw rod (3).

6. The separate powder metallurgy high-speed steel quenching device according to claim 1, characterized in that: The inner bottom of the processing box (1) is fixedly connected to a support rod (13), and the top of the support rod (13) is provided with a placement plate (14) for placing powder metallurgy high-speed steel.

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