Miniature bearing quenching device

Abstract

The utility model provides a miniature bearing quenching device which comprises a frame body, a quenching cylinder arranged on the frame body, a placing carrier which is connected in the quenching cylinder in a sliding manner and is used for placing a workpiece, and a heating mechanism which is arranged on the frame body and can heat the quenching cylinder, and the alcohol vacuum mechanism can ignite two ends of the quenching cylinder to enable the interior of the quenching cylinder to be in a vacuum state. According to the quenching device, the miniature bearing can be placed in the placing carrier and then conveyed into the quenching cylinder, the placing cylinder is heated through the heating mechanism, meanwhile, alcohol is conveyed to the two ends of the quenching cylinder through the alcohol vacuum mechanism and is ignited under the high-temperature effect, and then oxygen in the quenching cylinder is consumed through alcohol combustion; the quenching cylinder is internally in a vacuum state, so that vacuum quenching of a workpiece is realized, the quenching effect on the miniature bearing can be improved to a great extent, and the operation mode is simple and quick.

Description

Technical Field

[0001] The utility model relates to the technical field of micro bearing processing equipment, in particular to a micro bearing quenching device. Background Art

[0002] Miniature bearings refer to various types of bearings with an outer diameter of less than 9mm in the metric series or less than 9.525mm in the imperial series. The main materials are carbon steel, bearing steel, stainless steel, plastic, ceramic, etc. At present, the world's smallest commercial steel ball bearing can achieve an outer diameter of 1.5mm, an inner diameter of 0.5mm, and a steel ball diameter of 0.25mm. Miniature bearings are mainly suitable for various industrial equipment, small rotary motors and other high-speed and low-noise fields, such as: office equipment, micro motors, instruments, small clocks, dental drills, hard disk motors, toy models and other related fields.

[0003] At present, Chinese patent publication number CN213142132U discloses a deep groove ball bearing ring deformation prevention rapid quenching device, including a quenching box, the bottom ends of the first threaded rods are rotatably installed on both sides of the top of the quenching box, the top of the first threaded rod located on the right side of the two first threaded rods is fixedly installed with a handle, the outer sides of the two first threaded rods are fixedly installed with pulleys, the two pulleys are connected to the same belt for transmission, the outer sides of the two first threaded rods are threadedly installed with the same fixed plate, the bottom of the fixed plate is fixedly installed with a support plate, and the top of the support plate is fixedly installed with a plurality of shaping columns.

[0004] Although this quenching device can quench the bearing ring, the device supports the bearing ring through a shaping column. Since the outer diameter of the bearing in the micro bearing is small, this type of shaping column is difficult to effectively support the micro bearing. The existing quenching device is relatively complicated for quenching micro bearings, and the quenching effect is poor, making it difficult to promote. Utility Model Content

[0005] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a micro bearing quenching device to solve the problem of complicated and poor quenching effect of micro bearings in the prior art.

[0006] To achieve the above-mentioned purpose and other related purposes, the utility model provides a miniature bearing quenching device, including a frame, a quenching cylinder arranged on the frame, a placement carrier slidably connected to the quenching cylinder for placing a workpiece, and a heating mechanism arranged on the frame and capable of heating the quenching cylinder, and also includes an alcohol vacuum mechanism that can ignite both ends of the quenching cylinder to put the interior of the quenching cylinder in a vacuum state.

[0007] By adopting the above technical scheme, the micro bearing can be placed in a placement carrier, and then transported to the inside of the quenching cylinder. The placement cylinder is heated by a heating mechanism, and alcohol is transported to both ends of the quenching cylinder by an alcohol vacuum mechanism and ignited under high temperature. The oxygen in the quenching cylinder is consumed by alcohol combustion, so that a vacuum state is achieved in the quenching cylinder, thereby achieving vacuum quenching of the workpiece, which can greatly improve the quenching effect of the micro bearing and is simple and quick to operate.

[0008] In one embodiment of the utility model, the heating mechanism includes a cover body arranged on the frame, a heating wire arranged in the cover body and wound around the outside of the quenching cylinder, and a temperature control box arranged on the frame and connected to the heating wire for heating.

[0009] By adopting the above technical solution, the quenching cylinder can be heated more evenly by the heating wire wound outside the quenching cylinder, and the external environment is isolated by the cover, which makes it easier for the temperature control box to control the temperature.

[0010] In one embodiment of the utility model, the alcohol vacuum mechanism includes an alcohol bottle arranged on a frame for storing alcohol, a delivery pipe for delivering alcohol to both ends of the quenching cylinder respectively, and a flow regulating component arranged on the delivery pipe for controlling the alcohol delivery amount.

[0011] By adopting the above technical solution, the alcohol in the alcohol bottle can be accurately delivered to the two ends of the quenching cylinder through the flow regulating component and the delivery pipe.

[0012] In one embodiment of the present invention, the placement carrier includes a placement seat that can be inserted into the quenching cylinder, a placement groove provided on the placement seat for placing the workpiece, and an operating rod provided at the end of the placement seat and capable of driving the placement plate to move.

[0013] By adopting the above technical solution, the workpiece can be placed in the placement groove, and the staff can hold the operating lever to push the placement seat into the quenching cylinder to realize the workpiece transportation.

[0014] In one embodiment of the utility model, the cover body is configured to be barrel-shaped, and the cover body includes a base fixedly arranged on the frame and an upper cover hinged on the base and capable of flipping from bottom to top. The cover body is also provided with a locking member capable of locking the upper cover and the base. The connection between the heating wire and the temperature control box is located at the base.

[0015] By adopting the above technical solution, the upper cover is hinged on the base so that it can be flipped open, which makes it easier to install and maintain the equipment.

[0016] In one embodiment of the utility model, the quenching cylinder is arranged in a horizontal direction, and the end of the quenching cylinder is also movably connected with a baffle that can reduce the area of ​​the outlet end of the quenching cylinder. The baffle has a clearance hole for the operating rod to pass through, and the baffle is also provided with a handle.

[0017] By adopting the above technical solution, the outlet area of ​​the quenching cylinder can be reduced by the baffle, which makes the operation of the alcohol vacuum mechanism more convenient, reduces the amount of alcohol used, and reduces the cost of use.

[0018] In one embodiment of the present invention, the length of the quenching cylinder is greater than the length of the cover body, and a water tank is further provided on the lower side of the quenching cylinder, and the water tank is located outside the cover body.

[0019] By adopting the above technical solution, after the quenching is completed, the placement carrier can be taken out from the quenching tube and placed in a water tank for cooling.

[0020] In one embodiment of the present invention, the flow regulating assembly includes a first support connected to the infusion tube, a resistance plate slidably connected to the first support and capable of resisting the infusion tube, and an adjusting screw threadedly connected to the first support to drive the resistance plate to move.

[0021] By adopting the above technical solution, the position of the resistance plate can be adjusted by manipulating the adjusting screw, so that it presses the infusion tube, changes the flow area of ​​the infusion tube, and thus controls the flow rate.

[0022] In one embodiment of the utility model, the infusion tube includes an infusion hose connected to the alcohol bottle and a metal hard tube connected to the quenching cylinder, and the flow regulating component is located at the infusion hose.

[0023] By adopting the above technical solution, the connection between the quenching tube and the quenching tube is a metal hard tube, so that the quenching tube is not easily affected by the temperature of the quenching tube.

[0024] As described above, the micro-bearing quenching device of the utility model has the following beneficial effects: the micro-bearing can be placed in a placement carrier, and then transported to the inside of the quenching cylinder, the placement cylinder is heated by a heating mechanism, and alcohol is transported to both ends of the quenching cylinder by an alcohol vacuum mechanism and ignited under high temperature, and then the oxygen in the quenching cylinder is consumed by alcohol combustion, so that a vacuum state is achieved in the quenching cylinder, thereby achieving vacuum quenching of the workpiece, which can greatly improve the quenching effect of the micro-bearing, and the operation is simple and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 Shown is a schematic diagram of the overall structure disclosed in the embodiment of the utility model;

[0026] Figure 2 Shown is a schematic diagram of the structure of the heating mechanism disclosed in the embodiment of the utility model;

[0027] Figure 3 Shown is a schematic structural diagram of an alcohol vacuum mechanism disclosed in an embodiment of the utility model;

[0028] Component number description

[0029] 1. Frame; 2. Quenching cylinder; 3. Carrier; 4. Heating mechanism; 5. Alcohol vacuum mechanism; 6. Water tank;

[0030] 20. hood body; 21. heating wire; 22. temperature control box; 23. base; 24. upper hood;

[0031] 30. Alcohol bottle; 31. Delivery pipe; 32. Flow regulating assembly;

[0032] 301, delivery hose; 302, metal hard pipe; 303, first support; 304, contact plate; 305, adjustment screw;

[0033] 40. Placement seat; 41. Placement slot; 42. Operating lever; 43. Cover plate; 44. Baffle plate. DETAILED DESCRIPTION

[0034] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0035] See also Figures 1 to 3 It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings in this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so they have no substantial technical significance. Any modification of the structure, change in the proportion relationship, or adjustment of the size should still fall within the scope of the technical content disclosed by the utility model without affecting the effects and purposes that can be achieved by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the utility model. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the utility model without substantially changing the technical content.

[0036] like Figure 1 As shown, the utility model provides a micro bearing quenching device, including a frame 1, a quenching cylinder 2 arranged on the frame 1 in a horizontal direction, a placement carrier 3 slidably connected to the quenching cylinder 2 along the axial direction of the quenching cylinder 2 for placing a workpiece, and a heating mechanism 4 arranged on the frame 1 and capable of heating the quenching cylinder 2. The workpiece can be placed in the placement carrier 3, and the workpiece is transported to the inside of the quenching cylinder 2 through the placement carrier 3, and then the quenching cylinder 2 is heated by the heating mechanism 4 to achieve quenching of the workpiece in the quenching cylinder 2.

[0037] like Figure 2As shown, the heating mechanism 4 includes a cover body 20 arranged on the frame 1, a heating wire 21 arranged in the cover body 20 and wound around the outside of the quenching tube 2, and a temperature control box 22 arranged on the frame 1 and connected to the heating wire 21 for heating. The heating wire 21 is an electric heating wire, and the heating temperature of the heating wire 21 can be adjusted by the temperature control box 22, and the external environment is isolated by the cover body 20.

[0038] The cover body 20 is arranged in a cylindrical shape, the quenching cylinder 2 is arranged at the axis of the cover body 20, the length of the quenching cylinder 2 is greater than the length of the cover body 20, the cover body 20 includes a base 23 fixedly arranged on the frame and an upper cover 24 hinged on the base 23 and capable of flipping from bottom to top, and the cover body 20 is also provided with a locking member capable of locking the upper cover 24 and the base 23, and the connection between the heating wire 21 and the temperature control box 22 is located at the base 23.

[0039] The quenching cylinder 2 is configured as a cylindrical structure, with both ends of the quenching cylinder 2 being open. Both ends of the quenching cylinder 2 are provided with alcohol vacuum mechanisms 5 which can burn and consume the internal oxygen of the quenching cylinder 2 to place the interior in a vacuum state.

[0040] The alcohol vacuum mechanism 5 includes an alcohol bottle 30 for storing alcohol, which is arranged on the frame 1, a delivery pipe 31 for delivering alcohol to the two ends of the quenching cylinder 2 respectively, and a flow regulating component 32 arranged on the delivery pipe 31 for controlling the alcohol delivery amount. The alcohol bottle 30 is arranged above the cover body 20, and two alcohol bottles 30 are arranged at the two ends of the quenching cylinder 2. Each alcohol bottle 30 is correspondingly provided with a water pipe, which can deliver the alcohol in the alcohol bottle 30 to the two ends of the quenching cylinder 2 according to the specified flow rate.

[0041] The infusion tube includes an infusion hose connected to the alcohol bottle 30 and a metal hard tube 302 connected to the quenching cylinder 2. The infusion hose is plugged into the outside of the metal hard tube 302, and the flow regulating component 32 is arranged on the infusion hose.

[0042] The flow regulating component 32 includes a first support 303 that is in contact with the infusion tube, a contact plate 304 that is slidably connected to the first support 303 and can contact the infusion tube, and an adjusting screw 305 that is threadedly connected to the first support 303 and drives the contact plate 304 to move. The position of the contact plate 304 can be adjusted by rotating the adjusting screw 305 to clamp the infusion hose, thereby changing the flow area of ​​the infusion hose and achieving flow regulation.

[0043] like Figure 3As shown, the placement carrier 3 includes a placement seat 40 that can be inserted into the quenching cylinder 2, a placement groove 41 set on the placement seat 40 for placing the workpiece, and an operating rod 42 set at the end of the placement seat 40 that can drive the placement plate to move. A cover plate 43 is also provided on the placement groove 41, and the workpiece can be placed in the placement groove 41. After being covered by the cover plate 43, the placement seat 40 is pushed into the quenching tank by the operating rod 42, and the bottom of the placement seat 40 is set to an arc surface that is adapted to the inner wall of the quenching cylinder 2.

[0044] The end of the quenching cylinder 2 is also movably connected with a baffle 44 which can reduce the area of ​​the outlet end of the quenching cylinder 2. The baffle 44 has a clearance hole for the operating rod 42 to pass through. The baffle 44 is also provided with a handle, and the position of the baffle 44 can be adjusted by operating the handle. The baffle 44 and the quenching cylinder 2 are clearance-matched.

[0045] A water tank 6 is also provided at the lower side of the quenching cylinder 2 , and the water tank 6 is located outside the cover body 20 .

[0046] In summary, the utility model can place the micro bearing in the placement carrier 3, and then transport it to the inside of the quenching cylinder 2, heat the placement cylinder through the heating mechanism 4, and at the same time transport alcohol to both ends of the quenching cylinder 2 through the alcohol vacuum mechanism 5 and ignite it under high temperature, and then consume the oxygen in the quenching cylinder 2 through the combustion of alcohol, so that the quenching cylinder 2 is in a vacuum state, and then the vacuum quenching of the workpiece is realized, which can greatly improve the quenching effect of the micro bearing, and the operation method is simple and quick.

[0047] Therefore, the utility model effectively overcomes various shortcomings in the prior art and has high industrial utilization value.

[0048] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A micro bearing quenching device, characterized in that: It includes a frame, a quenching cylinder arranged on the frame, a placement carrier slidably connected to the quenching cylinder for placing workpieces, and a heating mechanism arranged on the frame capable of heating the quenching cylinder. It also includes an alcohol vacuum mechanism capable of igniting both ends of the quenching cylinder to put the inside of the quenching cylinder in a vacuum state.

2. The micro bearing quenching device according to claim 1, characterized in that: The heating mechanism comprises a cover body arranged on a frame body, a heating wire arranged in the cover body and wound around the outside of the quenching cylinder, and a temperature control box arranged on the frame body and connected with the heating wire for heating.

3. The micro bearing quenching device according to claim 1, characterized in that: The alcohol vacuum mechanism includes an alcohol bottle arranged on a frame for storing alcohol, a delivery pipe for delivering alcohol to both ends of the quenching cylinder respectively, and a flow regulating component arranged on the delivery pipe for controlling the alcohol delivery amount.

4. The micro bearing quenching device according to claim 1, characterized in that: The placing carrier comprises a placing seat which can be inserted into the quenching cylinder, a placing groove arranged on the placing seat for placing the workpiece, and an operating rod arranged at the end of the placing seat which can drive the placing plate to move.

5. The micro bearing quenching device according to claim 2, characterized in that: The cover body is configured to be in a cylindrical shape, and includes a base fixedly mounted on a frame and an upper cover hinged on the base and capable of flipping from bottom to top. The cover body is also provided with a locking member capable of locking the upper cover and the base. The connection between the heating wire and the temperature control box is located at the base.

6. The micro bearing quenching device according to claim 4, characterized in that: The quenching cylinder is arranged in the horizontal direction, and the end of the quenching cylinder is also movably connected with a baffle plate which can reduce the area of ​​the outlet end of the quenching cylinder. The baffle plate is provided with a clearance hole for the operating rod to pass through, and the baffle plate is also provided with a handle.

7. The micro bearing quenching device according to claim 2, characterized in that: The length of the quenching cylinder is greater than the length of the cover body. A water tank is also provided at the lower side of the quenching cylinder, and the water tank is located outside the cover body.

8. The micro bearing quenching device according to claim 3, characterized in that: The flow regulating assembly comprises a first support connected to the infusion tube, a resistance plate slidably connected to the first support and capable of resisting the infusion tube, and an adjusting screw threadedly connected to the first support and driving the resistance plate to move.

9. The micro bearing quenching device according to claim 3, characterized in that: The delivery pipe comprises an infusion hose connected to the alcohol bottle and a metal hard pipe connected to the quenching cylinder.

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