Bolt quenching cooling device

Abstract

The utility model discloses a bolt quenching cooling device which comprises a cooling box and a cooling-water machine, a liquid outlet pipe is arranged on one side below the cooling box, one side of the liquid outlet pipe far away from the cooling box is communicated with a filter cartridge, one end of the filter cartridge far away from the liquid outlet pipe is communicated with a three-way pipe, and a water return pipe is communicated between the upper end of the three-way pipe and the cooling-water machine. A water pump is arranged on the water return pipe, a threaded opening is formed in the bottom of the filter cylinder, a waste residue cylinder is in threaded connection with the threaded opening, a fixed filter screen is installed in the filter cylinder, a movable filter screen is arranged in the waste residue cylinder, the center of the bottom of the waste residue cylinder is communicated with a rotating connector, and one end of the rotating connector is connected with a water return hose. The bolt quenching cooling device has the beneficial effects that cooling liquid can be recycled, impurities in the cooling liquid can be filtered, the temperature of a bolt can be quickly reduced, the bolt quenching cooling effect is improved, the waste residue cylinder is convenient to disassemble and assemble, the impurities are convenient to clean, filtering blockage is avoided, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bolt quenching and cooling, in particular to a bolt quenching and cooling device. Background Art

[0002] Bolt: A mechanical part, a cylindrical threaded fastener that is matched with a nut. A type of fastener consisting of a head and a screw (a cylinder with external threads), which must be matched with a nut to fasten two parts with through holes. In order to improve the hardness and wear resistance of metal workpieces, the bolt surface needs to be quenched.

[0003] The utility model with application number CN202321777378.3 discloses a bolt quenching cooling device. The bolts are heated at medium and high frequencies by the cooperation of the lifting device and the induction heating device so that the surface of the bolts is quickly heated, which improves the heating problems of the traditional quenching furnace. The heated bolts can be sprayed with water for cooling by the setting of the refrigerator and the nozzle. The bolts can be air-dried after water spray cooling by the cooperation of the lifting device, the cylinder and the hot air blower to remove water stains on the surface.

[0004] The above device uses a refrigerator and a nozzle to spray water to cool the bolts, and the coolant cannot be recycled. The coolant will be mixed with oxide scale impurities, resulting in a waste of resources. The water spray can only cool the surface of the bolt. It takes a long time to spray water to completely cool the bolt, which is time-consuming and reduces the quenching cooling efficiency of the bolt.

[0005] It should be noted that the above contents belong to the technical knowledge of the inventor and do not necessarily constitute prior art. Utility Model Content

[0006] The utility model aims to solve the above problems and designs a bolt quenching cooling device.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A bolt quenching cooling device comprises a cooling box and a chiller, a liquid outlet pipe is provided on one side below the cooling box, a storage basket is provided in the cooling box, a filter cartridge is connected to the side of the liquid outlet pipe away from the cooling box, a tee is connected to one end of the filter cartridge away from the liquid outlet pipe, a return pipe is connected between the upper end of the tee and the chiller, a water pump is provided on the return pipe, a threaded opening is provided at the bottom of the filter cartridge, a waste residue cartridge is threadedly connected to the threaded opening, a fixed filter screen is installed in the filter cartridge, the fixed filter screen is located on one side of the threaded opening, a movable filter screen is provided in the waste residue cartridge, a rotating joint is connected at the center of the bottom of the waste residue cartridge, one end of the rotating joint is connected to a return hose, and the end of the return hose away from the rotating joint is fixedly connected to the lower end of the tee.

[0009] Furthermore, two shunt pipes are installed inside the cooling box, and the two shunt pipes are respectively located on both sides of the cooling box. A plurality of nozzles are installed at the bottom of the shunt pipes. A T-shaped liquid supply pipe is connected between the two shunt pipes. One end of the T-shaped liquid supply pipe passes through the cooling box and is connected to the water outlet of the chiller. An infusion pump is provided on the T-shaped liquid supply pipe.

[0010] Furthermore, two groups of L-shaped guard plates are installed inside the cooling box, each group of the L-shaped guard plates is provided with two, the two groups of the L-shaped guard plates are respectively located between adjacent nozzles, and the cross arm end of the L-shaped guard plate is located above the diversion pipe.

[0011] Furthermore, a limit baffle is installed below the L-shaped guard plate, the storage basket is located on the limit baffle, and a lifting handle is installed on the storage basket.

[0012] Furthermore, a magnetic ring is installed in the waste slag barrel, the movable filter is magnetically connected to the magnetic ring, a T-shaped lifting rod is installed at the center of the surface of the movable filter, and the top end of the T-shaped lifting rod extends out of the waste slag barrel.

[0013] Furthermore, the movable filter screen is circular in shape, and the diameter of the movable filter screen is the same as the inner diameter of the waste slag barrel.

[0014] Compared with the prior art, this technical solution has the following beneficial effects:

[0015] The coolant is pumped back into the chiller through the filter cylinder, waste residue cylinder, tee pipe, return hose and return pipe, and the oxide scale impurities in the coolant are filtered through the fixed filter screen and the movable filter screen. The coolant can be recycled and the impurities in the coolant can be filtered, which improves the quenching cooling effect of the bolts;

[0016] The impurities on the fixed filter screen fall downward under the action of gravity, and the impurities fall on the movable filter screen on the waste slag barrel. The waste slag barrel can be disassembled from the threaded port by rotating. The rotating joint will not hinder the rotation of the waste slag barrel, which is convenient for disassembly and assembly of the waste slag barrel, convenient for cleaning impurities, avoiding filter blockage, improving work efficiency, and convenient for taking out the movable filter screen, convenient for cleaning impurities, and improving the cleaning effect;

[0017] The cooled coolant is sprayed out through the nozzle and sprayed into the cooling box and the storage basket, which can quickly reduce the temperature of the bolts and improve the quenching cooling efficiency of the bolts;

[0018] The L-shaped guard plate is used to protect the diverter pipe and the nozzle, so as to avoid collision with the diverter pipe and the nozzle during the movement of the storage basket, thereby avoiding damage to the diverter pipe and the nozzle and increasing the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The utility model is a schematic structural diagram of a bolt quenching cooling device.

[0020] Figure 2 An enlarged top view of the cooling box.

[0021] Figure 3 An enlarged cross-sectional view of the cooling box from the side.

[0022] Figure 4 An enlarged cross-sectional view of the filter cartridge.

[0023] In the figure: 1. cooling box; 2. chiller; 3. liquid outlet pipe; 4. storage basket; 5. filter cartridge; 6. tee pipe; 7. return pipe; 8. water pump; 9. threaded port; 10. waste residue cartridge; 11. fixed filter screen; 12. movable filter screen; 13. rotating joint; 14. return hose; 15. diverter pipe; 16. nozzle; 17. T-type liquid supply pipe; 18. infusion pump; 19. L-type guard plate; 20. limit baffle; 21. lifting handle; 22. magnetic ring; 23. T-type lifting rod. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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.

[0025] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0026] The utility model provides Figure 1-4A bolt quenching cooling device shown in the figure comprises a cooling box 1 and a chiller 2, a liquid outlet pipe 3 is provided on one side below the cooling box 1, a storage basket 4 is provided in the cooling box 1, a filter cartridge 5 is connected to the side of the liquid outlet pipe 3 away from the cooling box 1, a tee pipe 6 is connected to the end of the filter cartridge 5 away from the liquid outlet pipe 3, a return pipe 7 is connected between the upper end of the tee pipe 6 and the chiller 2, a water pump 8 is provided on the return pipe 7, a threaded opening 9 is provided at the bottom of the filter cartridge 5, a waste residue cartridge 10 is threadedly connected to the threaded opening 9, a fixed filter screen 11 is installed in the filter cartridge 5, the fixed filter screen 11 is located on one side of the threaded opening 9, a movable filter screen 12 is provided in the waste residue cartridge 10, a rotating joint 13 is connected to the center of the bottom of the waste residue cartridge 10, one end of the rotating joint 13 is connected to a return hose 14, and the end of the return hose 14 away from the rotating joint 13 is fixedly connected to the lower end of the tee pipe 6,

[0027] The heated bolts are placed in the storage basket 4, and the storage basket 4 containing the bolts is placed in the cooling box 1. The storage basket 4 and the bolts are immersed in the cooling box 1. The coolant cools the bolts. The water pump 8 starts to work. The coolant in the cooling box 1 enters the filter cylinder 5 through the liquid outlet pipe 3. The coolant is filtered in the filter cylinder 5 and the waste residue cylinder 10. The oxide scale impurities in the coolant are filtered through the fixed filter screen 11 and the movable filter screen 12. The filtered coolant enters the chiller through the three-way pipe 6, the return hose 14 and the return pipe 7. 2, the coolant can be recycled, and the impurities in the coolant can be filtered, thereby improving the quenching cooling effect of the bolts. After the quenching cooling of the bolts is completed, the impurities adhered to the fixed filter screen 11 fall downward under the action of gravity, and the impurities fall on the movable filter screen 12 on the waste slag barrel 10. The waste slag barrel 10 can be disassembled from the threaded opening 9 by rotation, and the rotating joint 13 will not hinder the rotation of the waste slag barrel 10, which is convenient for disassembly and assembly of the waste slag barrel 10, convenient for cleaning of impurities, avoiding filter blockage, and improving work efficiency.

[0028] Refer to the instruction manual Figure 1 , Instruction Manual Figure 2 And the instruction manual Figure 3 Two shunt pipes 15 are installed inside the cooling box 1. The two shunt pipes 15 are respectively located on both sides of the cooling box 1. A plurality of nozzles 16 are installed at the bottom of the shunt pipes 15. A T-shaped liquid supply pipe 17 is connected between the two shunt pipes 15. One end of the T-shaped liquid supply pipe 17 passes through the cooling box 1 and is connected to the water outlet of the chiller 2. An infusion pump 18 is provided on the T-shaped liquid supply pipe 17.

[0029] The coolant flows back into the chiller 2 for cooling. After the coolant is cooled, the infusion pump 18 starts to work, and the cooled coolant is extracted and transported to the two branch pipes 15 through the T-shaped liquid supply pipe 17. The coolant is sprayed out through the nozzle 16 and sprayed into the cooling box 1 and the storage basket 4, which can quickly reduce the temperature of the bolts and improve the quenching cooling efficiency of the bolts.

[0030] Refer to the instruction manual Figure 2 And the instruction manual Figure 3 Two groups of L-shaped guard plates 19 are installed inside the cooling box 1. Each group of L-shaped guard plates 19 has two. The two groups of L-shaped guard plates 19 are respectively located between adjacent nozzles 16. The cross arm end of the L-shaped guard plate 19 is located above the shunt pipe 15.

[0031] The L-shaped guard plate 19 protects the shunt pipe 15 and the nozzle 16 to prevent the shunt pipe 15 and the nozzle 16 from being hit during the movement of the storage basket 4, thereby preventing the shunt pipe 15 and the nozzle 16 from being damaged and increasing their service life.

[0032] Refer to the instruction manual Figure 3 A limit baffle 20 is installed below the L-shaped guard plate 19, the storage basket 4 is located on the limit baffle 20, and a lifting handle 21 is installed on the storage basket 4.

[0033] The storage basket 4 can be conveniently lifted by lifting the handle 21 . After the storage basket 4 is placed in the cooling box 1 , it is located on the limiting baffle 20 . The limiting baffle 20 serves as a limiting support for the storage basket 4 .

[0034] Refer to the instruction manual Figure 4 A magnetic ring 22 is installed in the waste slag barrel 10, and the movable filter 12 is magnetically connected to the magnetic ring 22. A T-shaped lifting rod 23 is installed at the center of the surface of the movable filter 12, and the top of the T-shaped lifting rod 23 extends out of the waste slag barrel 10.

[0035] After the waste slag barrel 10 is removed, the top end of the T-shaped lifting rod 23 exceeds the waste slag barrel 10, and the movable filter screen 12 is pulled upward by the T-shaped lifting rod 23, and the magnetic connection between the movable filter screen 12 and the magnetic suction ring 22 is disconnected, so that the movable filter screen 12 can be easily removed, and impurities can be easily cleaned, thereby improving the cleaning effect.

[0036] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A bolt quenching cooling device, comprising a cooling box (1) and a water chiller (2), wherein a liquid outlet pipe (3) is provided on one side below the cooling box (1), and a storage basket (4) is provided inside the cooling box (1), characterized in that: The side of the liquid outlet pipe (3) away from the cooling box (1) is connected to a filter cartridge (5), and the end of the filter cartridge (5) away from the liquid outlet pipe (3) is connected to a tee pipe (6). A return pipe (7) is connected between the upper end of the tee pipe (6) and the chiller (2), and a water pump (8) is provided on the return pipe (7). A threaded opening (9) is provided at the bottom of the filter cartridge (5), and a waste residue cartridge (10) is threadedly connected to the threaded opening (9). A fixed filter screen (11) is installed in the filter cartridge (5), and the fixed filter screen (11) is located on one side of the threaded opening (9). A movable filter screen (12) is provided in the waste residue cartridge (10). A rotating joint (13) is connected at the center of the bottom of the waste residue cartridge (10), and one end of the rotating joint (13) is connected to a return hose (14). The end of the return hose (14) away from the rotating joint (13) is fixedly connected to the lower end of the tee pipe (6).

2. A bolt quenching and cooling device according to claim 1, characterized in that: Two shunt pipes (15) are installed inside the cooling box (1), and the two shunt pipes (15) are respectively located on two sides of the cooling box (1). A plurality of nozzles (16) are installed at the bottom of the shunt pipes (15). A T-shaped liquid supply pipe (17) is connected between the two shunt pipes (15). One end of the T-shaped liquid supply pipe (17) passes through the cooling box (1) and is connected to the water outlet of the chiller (2). An infusion pump (18) is provided on the T-shaped liquid supply pipe (17).

3. A bolt quenching and cooling device according to claim 2, characterized in that: Two groups of L-shaped guard plates (19) are installed inside the cooling box (1), each group of the L-shaped guard plates (19) is provided with two, the two groups of the L-shaped guard plates (19) are respectively located between adjacent nozzles (16), and the cross arm end of the L-shaped guard plate (19) is located above the diversion pipe (15).

4. A bolt quenching and cooling device according to claim 3, characterized in that: A limit baffle (20) is installed below the L-shaped guard plate (19), the storage basket (4) is located on the limit baffle (20), and a lifting handle (21) is installed on the storage basket (4).

5. The bolt quenching and cooling device according to claim 1, characterized in that: A magnetic ring (22) is installed in the waste slag barrel (10), the movable filter screen (12) is magnetically connected to the magnetic ring (22), and a T-shaped lifting rod (23) is installed at the center of the surface of the movable filter screen (12), and the top end of the T-shaped lifting rod (23) extends out of the waste slag barrel (10).

6. The bolt quenching and cooling device according to claim 1, characterized in that: The movable filter screen (12) is circular in shape, and the diameter of the movable filter screen (12) is the same as the inner diameter of the waste residue barrel (10).

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