Cooling device for piston pin production

Abstract

The utility model relates to the technical field of piston pin production, in particular to a cooling device for piston pin production, which comprises a working plate, a plurality of supporting columns fixed at the bottom end of the working plate, a frame body fixed on the top surface of the working plate, and a placing plate arranged right above the working plate and positioned below the transverse plate end of the frame body, and an adjusting motor for driving the placing plate to rotate is mounted at the bottom end of the working plate. Calcined piston pins can be placed through the arrangement of the placing plate, the placing plate and the piston pins can be driven to rotate through the arrangement of the adjusting motor, a water supply pipe of an external water supply device is tightly connected with a water inlet pipe in a sleeved mode, and the atomization spray head can be moved to a proper height position through the design of the lifting mechanism. And through the design of the cooling mechanism, water spraying cooling can be conducted on the piston pin, through the design of the cooling mechanism, the atomizing spray head can conduct water mist spraying work while rotating, and meanwhile the piston pin can be rapidly cooled through cooperation with the rotating containing plate.

Description

Technical Field

[0001] The utility model relates to the technical field of piston pin production, in particular to a cooling device for piston pin production. Background Art

[0002] The piston pin is a connecting part between the piston and the connecting rod of an internal combustion engine. Its main function is to transfer the gas pressure borne by the piston to the connecting rod and to guide the reciprocating motion of the piston. The piston pin is usually cylindrical and its surface is precision machined to ensure good fit and lubrication with the piston pin hole and the connecting rod bushing. The material of the piston pin needs to have high strength, high wear resistance and good toughness.

[0003] The piston pin is usually formed by high-temperature calcination or casting. After high-temperature calcination, the piston pin needs to be cooled. The cooling means of the cooling device usually used are air cooling and water spray cooling. In the prior art, the water cooling method usually used is to spray water mist on the finished piston pin. However, most of the water cooling devices on the market are not provided with a structure that is convenient for rotating the nozzle, and most of them cannot adjust the angle of the finished piston pin, so that the water mist cannot fully contact the piston pin, and thus the piston pin cannot be quickly cooled. In view of this, we propose a cooling device for piston pin production. Utility Model Content

[0004] The purpose of the utility model is to provide a cooling device for piston pin production, so as to solve the problem that in the prior art proposed in the above-mentioned background technology, the water cooling method usually adopted is to spray water mist on the finished piston pin, but most of the water cooling devices on the market are not provided with a structure that is convenient for rotating the spray head, and most of them cannot adjust the angle of the finished piston pin, so that the water mist cannot fully contact with the piston pin, and thus the piston pin cannot be quickly cooled.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A cooling device for piston pin production, comprising a working plate, a plurality of supporting columns are fixed to the bottom end of the working plate, a frame is fixed to the top surface of the working plate, a placement plate located below the horizontal plate end of the frame is provided directly above the working plate, an adjusting motor for driving the placement plate to rotate is installed at the bottom end of the working plate, a lifting mechanism is provided below the horizontal plate end of the frame, the lifting mechanism comprises an electric cylinder with a cylinder body installed on the bottom surface of the horizontal plate end of the frame, a connecting column fixed to the bottom surface of the piston rod of the electric cylinder through a gasket, and a moving rod fixed to the outer wall of the circumference of the connecting column near the bottom end, and also includes:

[0007] A cooling mechanism is arranged above the working plate and is used for cooling the piston pin placed on the top surface of the placing plate. The cooling mechanism includes a water-passing box fixed on the bottom surface of the moving rod away from one end of the connecting column, a water inlet pipe fixed on the front surface of the water-passing box and connected to its inner cavity, a water outlet pipe rotatably connected to the right side surface of the water-passing box and connected to its inner cavity, an atomizing nozzle fixed on the right side surface of the water outlet pipe and connected to its inner cavity, two gears located on the right side of the water-passing box and used for driving the water outlet pipe to rotate, and a cooling motor installed on the right side surface of the water-passing box and used for driving the two gears to rotate, and the two gears are meshed with each other.

[0008] As a preferred embodiment, the cooling mechanism further comprises a rotating shaft coaxially connected to the output shaft of the cooling motor, and the two gears are coaxially fixed on the rotating shaft and the circumferential outer wall of the water outlet pipe respectively.

[0009] As a preferred implementation, the plurality of support columns at the bottom end of the working plate are distributed in a matrix, and a support plate is fixed to the bottom end of the support columns.

[0010] As a preferred embodiment, a rotating rod rotatably connected to the working plate is coaxially fixed to the bottom end of the placement plate, and the output shaft of the adjusting motor is coaxially connected to the rotating rod.

[0011] As a preferred embodiment, the atomizing nozzle corresponds to the position of the placement plate and the size is adapted thereto, sealing rings are provided at the contact parts of the water box with the water outlet pipe and the water inlet pipe, and sealing rings are also provided at the contact parts of the water outlet pipe with the atomizing nozzle.

[0012] As a preferred implementation, an anti-skid plate matching the shape of the support plate is fixed to the bottom end of the support plate, and the thickness of the anti-skid plate is 2-6 cm.

[0013] As a preferred embodiment, the cooling mechanism also includes a protection box fixed on the right side surface of the water flow box, the cooling motor is located inside the protection box, the rotating shaft passes through the right side outer wall of the protection box, the lifting mechanism also includes a protection tube fixed on the bottom surface of the horizontal plate end of the frame, the cylinder body of the electric cylinder is located inside the protection tube, a motor box is fixed at the bottom end of the working plate, and the adjusting motor is located inside the motor box.

[0014] As a preferred implementation, the distance between the protection box and the water outlet pipe is 2-11 cm, and the distance between the protection box and the gear on the same side is 3-13 cm.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The utility model can place the calcined piston pin by setting a placement plate, and can drive the placement plate and the piston pin to rotate by setting an adjustment motor, and the water supply pipe of the external water supply device is tightly connected with the water inlet pipe. The atomizing nozzle can be moved to a suitable height position by the design of the lifting mechanism, and the piston pin can be sprayed with water to cool it down by the design of the cooling mechanism. The atomizing nozzle can be rotated and sprayed with water mist by the design of the cooling mechanism, and the piston pin can be quickly cooled by the rotating placement plate at the same time;

[0017] 2. The utility model can protect the regulating motor, cooling motor and electric cylinder by providing a motor box, a protection box and a protection tube, thereby extending the service life of the regulating motor, cooling motor and electric cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is one of the overall structural diagrams of the utility model;

[0019] Figure 2 This is the second schematic diagram of the overall structure of the utility model;

[0020] Figure 3 It is a partial exploded view of the utility model;

[0021] Figure 4 It is an exploded diagram of the lifting mechanism in the utility model;

[0022] Figure 5 It is a schematic diagram of the overall structure of the cooling mechanism in the utility model;

[0023] Figure 6 This is one of the partial exploded views of the cooling mechanism in the utility model;

[0024] Figure 7 This is the second partial exploded view of the cooling mechanism in the utility model;

[0025] The meaning of each number in the figure is:

[0026] 1. Working plate; 2. Placing plate; 3. Frame; 4. Support column; 5. Adjusting motor; 6. Rotating rod; 7. Cooling mechanism; 71. Water box; 72. Water outlet pipe; 73. Atomizing nozzle; 74. Water inlet pipe; 75. Gear; 76. Cooling motor; 77. Rotating shaft; 78. Protective box; 8. Lifting mechanism; 81. Electric cylinder; 82. Gasket; 83. Connecting column; 84. Moving rod; 85. Protective tube; 9. Support plate; 10. Anti-skid plate; 11. Motor box. DETAILED DESCRIPTION

[0027] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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.

[0028] See also Figure 1-Figure 7 The utility model provides a technical solution: a cooling device for piston pin production, including a working plate 1, a plurality of supporting columns 4 are fixed to the bottom end of the working plate 1, a frame 3 is fixed to the top surface of the working plate 1, a placing plate 2 located below the horizontal plate end of the frame 3 is provided directly above the working plate 1, an adjusting motor 5 for driving the placing plate 2 to rotate is installed at the bottom end of the working plate 1, a lifting mechanism 8 is provided below the horizontal plate end of the frame 3, the lifting mechanism 8 includes an electric cylinder 81 with a cylinder body installed on the bottom surface of the horizontal plate end of the frame 3, a connecting column 83 fixed to the bottom surface of the piston rod of the electric cylinder 81 through a gasket 82, and a moving rod 84 fixed to the outer wall of the circumference of the connecting column 83 near the bottom end, and also includes:

[0029] The cooling mechanism 7 is arranged above the working plate 1 and is used to cool the piston pin placed on the top surface of the placing plate 2. The cooling mechanism 7 includes a water box 71 fixed on the bottom surface of the moving rod 84 at one end away from the connecting column 83, a water inlet pipe 74 fixed on the front surface of the water box 71 and connected to its inner cavity, a water outlet pipe 72 rotatably connected to the right side surface of the water box 71 and connected to its inner cavity, an atomizing nozzle 73 fixed on the right side surface of the water outlet pipe 72 and connected to its inner cavity, two gears 75 located on the right side of the water box 71 and used to drive the water outlet pipe 72 to rotate, and a gear 75 installed on the right side surface of the water box 71 and used to drive the two gears 75 The cooling motor 76 is rotated, and the two gears 75 are meshed with each other. The calcined piston pin can be placed by setting the placement plate 2. The placement plate 2 and the piston pin can be driven to rotate by setting the adjustment motor 5. The water supply pipe of the external water supply device is tightly connected with the water inlet pipe 74. The atomizing nozzle 73 can be moved to a suitable height position through the design of the lifting mechanism 8. The piston pin can be cooled by spraying water through the design of the cooling mechanism 7. The atomizing nozzle 73 can be rotated and sprayed with water mist through the design of the cooling mechanism 7. At the same time, the rotating placement plate 2 can be used to quickly cool the piston pin.

[0030] In this embodiment, the cooling mechanism 7 also includes a rotating shaft 77 coaxially connected to the output shaft of the cooling motor 76, and two gears 75 are coaxially fixed on the rotating shaft 77 and the circumferential outer wall of the water outlet pipe 72, respectively, which can smoothly drive the two gears 75 to rotate, and then smoothly drive the water outlet pipe 72 and the atomizing nozzle 73 to rotate.

[0031] In addition, the plurality of support columns 4 at the bottom of the working plate 1 are distributed in a matrix, and a support plate 9 is fixed to the bottom of the support columns 4, which can increase the contact area between the entire device and the ground, making the entire device more stable during operation.

[0032] Furthermore, a rotating rod 6 is coaxially fixed to the bottom end of the placement plate 2 and is rotatably connected to the working plate 1, and the output shaft of the adjustment motor 5 is coaxially connected to the rotating rod 6, which can smoothly drive the placement plate 2 to rotate.

[0033] Specifically, the atomizing nozzle 73 corresponds to the position of the placement plate 2 and is matched in size. The parts where the water box 71 contacts the water outlet pipe 72 and the water inlet pipe 74 are provided with sealing rings, and the parts where the water outlet pipe 72 contacts the atomizing nozzle 73 are also provided with sealing rings, which can make the sealing of the entire cooling mechanism 7 better and prevent water leakage during the transportation process.

[0034] It is worth noting that an anti-skid plate 10 matching its shape is fixed to the bottom end of the support plate 9, and the thickness of the anti-skid plate 10 is 2-6 cm, preferably 3 cm in this article, which can increase the friction between the entire device and the ground, thereby further improving the stability of the entire device during operation.

[0035] It is worth mentioning that the cooling mechanism 7 also includes a protection box 78 fixed on the right side surface of the water box 71, the cooling motor 76 is located inside the protection box 78, the rotating shaft 77 passes through the right side outer wall of the protection box 78, and the lifting mechanism 8 also includes a protection tube 85 fixed on the bottom surface of the horizontal plate end of the frame 3, the cylinder body of the electric cylinder 81 is located inside the protection tube 85, a motor box 11 is fixed at the bottom end of the working plate 1, and the adjusting motor 5 is located inside the motor box 11, so that the adjusting motor 5, the cooling motor 76, and the electric cylinder 81 can be protected, thereby extending the service life of the adjusting motor 5, the cooling motor 76, and the electric cylinder 81.

[0036] It is worth emphasizing that the distance between the protection box 78 and the water outlet pipe 72 is 2-11 cm, and the distance between the protection box 78 and the gear 75 on the same side is 3-13 cm. In this article, the distance between the protection box 78 and the water outlet pipe 72 is preferably 10 cm, and the distance between the protection box 78 and the gear 75 on the same side is preferably 11 cm, so that the rotation of the two gears 75 and the water outlet pipe 72 is not hindered, and the rotation of the atomizing nozzle 73 is not hindered.

[0037] Finally, it should be noted that the adjustment motor 5, cooling motor 76, electric cylinder 81 and other components involved in the utility model are all universal standard parts or components known to technical personnel in this field, and their structures and principles are all known to technical personnel in this field through technical manuals or through conventional experimental methods. In the idle space of this device, all the above-mentioned electrical components, which refer to power elements, electrical components, and adaptive controllers and power supplies, are connected through wires. The specific connection means should refer to the working principle of the utility model. The electrical connection between each electrical component is completed in a sequential working order, and the detailed connection means are all well-known technologies in the field.

[0038] In the specific use of this embodiment, when the piston pin needs to be cooled, the calcined piston pin is first placed on the top surface of the placement plate 2 through an external fixture, and then the water supply pipe of the external water supply device is tightly connected to the water inlet pipe 74, and then the electric cylinder 81 is started through the external PLC. The movement of the piston rod of the electric cylinder 81 drives the connection column 83 fixed to it through the gasket 82 to move, and the movement of the connection column 83 indirectly drives the atomizing nozzle 73 to move in the vertical direction. When the position of the atomizing nozzle 73 corresponds to the position of the piston pin, the electric cylinder 81 is closed through the external PLC and the regulating motor 5, the cooling motor 76 and the water pump in the external water supply device are started. After the regulating motor 5 is started, it drives the rotating rod 6 coaxially connected to its output shaft to rotate, and the rotation of the rotating rod 6 drives the placement plate 2 coaxially fixed to it to rotate, and the rotation of the placement plate 2 drives the piston pin on its top surface to rotate;

[0039] At the same time, the external water pump transports water from the external water supply pipe to the inside of the water inlet pipe 74. The water entering the water inlet pipe 74 then passes into the water box 71 and into the inside of the water outlet pipe 72. The water entering the water outlet pipe 72 then passes into the atomizing nozzle 73 and is sprayed out by it. At the same time, the output shaft of the cooling motor 76 rotates, thereby driving the rotating shaft 77 coaxially connected thereto to rotate. The rotation of the rotating shaft 77 drives the same-side gear 75 coaxially fixed thereto to rotate. The rotation of the gear 75 drives another gear 75 meshing therewith to rotate. The rotation of the other gear 75 drives the water outlet pipe 72 coaxially fixed thereto to rotate. The water outlet pipe 72 rotates, thereby driving the atomizing nozzle 73 fixed thereto to rotate, thereby driving the atomizing nozzle 73 to rotate and spray water mist. At the same time, the piston pin can be quickly cooled in conjunction with the rotating placement plate 2.

[0040] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A cooling device for piston pin production, comprising a working plate (1), characterized in that: A plurality of support columns (4) are fixed to the bottom end of the working plate (1); a frame (3) is fixed to the top surface of the working plate (1); a placement plate (2) located below the horizontal plate end of the frame (3) is provided directly above the working plate (1); an adjustment motor (5) for driving the placement plate (2) to rotate is installed at the bottom end of the working plate (1); a lifting mechanism (8) is provided below the horizontal plate end of the frame (3); the lifting mechanism (8) comprises an electric cylinder (81) whose cylinder body is installed on the bottom surface of the horizontal plate end of the frame (3); a connecting column (83) fixed to the bottom surface of the piston rod of the electric cylinder (81) through a gasket (82); and a moving rod (84) fixed to the outer wall of the circumference of the connecting column (83) near the bottom end; and further comprises: A cooling mechanism (7) is arranged above the working plate (1) and is used to cool the piston pin placed on the top surface of the placement plate (2). The cooling mechanism (7) comprises a water-passing box (71) fixed to the bottom surface of the moving rod (84) at one end away from the connecting column (83), a water inlet pipe (74) fixed to the front side surface of the water-passing box (71) and connected to its inner cavity, a water outlet pipe (72) rotatably connected to the right side surface of the water-passing box (71) and connected to its inner cavity, an atomizing nozzle (73) fixed to the right side surface of the water outlet pipe (72) and connected to its inner cavity, two gears (75) located on the right side of the water-passing box (71) and used to drive the water outlet pipe (72) to rotate, and a cooling motor (76) installed on the right side surface of the water-passing box (71) and used to drive the two gears (75) to rotate, wherein the two gears (75) are meshed with each other.

2. The cooling device for piston pin production according to claim 1, characterized in that: The cooling mechanism (7) further comprises a rotating shaft (77) coaxially connected to the output shaft of the cooling motor (76), and the two gears (75) are coaxially fixed on the rotating shaft (77) and the circumferential outer wall of the water outlet pipe (72), respectively.

3. The cooling device for piston pin production according to claim 1, characterized in that: A plurality of support columns (4) at the bottom end of the working plate (1) are distributed in a matrix manner, and a support plate (9) is fixed to the bottom end of the support column (4).

4. The cooling device for piston pin production according to claim 1, characterized in that: A rotating rod (6) rotatably connected to the working plate (1) is coaxially fixed to the bottom end of the placement plate (2), and the output shaft of the regulating motor (5) is coaxially connected to the rotating rod (6).

5. The cooling device for piston pin production according to claim 1, characterized in that: The atomizing nozzle (73) corresponds to the position of the placement plate (2) and has a matching size. The contact portions of the water-passing box (71) with the water outlet pipe (72) and the water inlet pipe (74) are all provided with sealing rings, and the contact portion of the water outlet pipe (72) with the atomizing nozzle (73) is also provided with a sealing ring.

6. The cooling device for piston pin production according to claim 3, characterized in that: An anti-skid plate (10) matching the shape of the support plate (9) is fixed to the bottom end of the support plate (9), and the thickness of the anti-skid plate (10) is 2-6 cm.

7. The cooling device for piston pin production according to claim 2, characterized in that: The cooling mechanism (7) further comprises a protection box (78) fixed on the right side surface of the water-passing box (71); the cooling motor (76) is located inside the protection box (78); the rotating shaft (77) passes through the right side outer wall of the protection box (78); the lifting mechanism (8) further comprises a protection tube (85) fixed on the bottom surface of the horizontal plate end of the frame body (3); the cylinder body of the electric cylinder (81) is located inside the protection tube (85); a motor box (11) is fixed at the bottom end of the working plate (1); and the regulating motor (5) is located inside the motor box (11).

8. The cooling device for piston pin production according to claim 7, characterized in that: The distance between the protection box (78) and the water outlet pipe (72) is 2-11 cm, and the distance between the protection box (78) and the gear (75) on the same side is 3-13 cm.

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