Energy-saving engine piston heat treatment machining device

Abstract

The invention discloses an energy-saving engine piston heat treatment machining device, and relates to the field of engine piston heat treatment, the energy-saving engine piston heat treatment machining device comprises a heat treatment equipment body and a supply output end, the supply output end is installed at the upper end of the heat treatment equipment body, and the supply output end is in butt joint with external heat supply equipment; a butt joint transmission fluted disc is installed in the heat treatment equipment body, a butt joint movable gear is meshed with the outer side of the butt joint transmission fluted disc, and the butt joint movable gear is in butt joint with the inner side of the heat treatment equipment body. According to the energy-saving engine piston heat treatment machining device, a transverse guide piece drives a built-in nested piston piece at the tail end to vertically move along the inner wall of the heat treatment equipment body through a reserved steel wire rope, so that the built-in nested piston piece can reciprocate along the inner side of the upper end of a supply conveying channel to form negative pressure reciprocating fit and inward movement; therefore, hot air accumulated at the upper end of the equipment is downwards conveyed to the bottom of the equipment through the supply conveying channel to be recycled in an energy-saving manner.

Description

Technical Field

[0001] The invention relates to the technical field of heat treatment of engine pistons, in particular to an energy-saving heat treatment processing device for engine pistons. Background Art

[0002] As an important component in automobiles, the engine piston needs to go through multiple steps in the production process, including the heat treatment process of the engine piston; Such as the patented automobile engine piston ring heat treatment fixture with publication number CN202808907U. A automobile engine piston ring heat treatment fixture, including a base with legs, the base is disc-shaped, at least three vertical positioning rods are arranged in the circumferential direction of the upper surface of the base, the cross-section of the positioning rod is in the shape of a "convex" character, the small end of the "convex"-shaped positioning rod is used to insert into the opening of the piston ring and engage with it, and the large end is used to limit the inner wall of the piston ring. Multiple piston rings can be sent into the heat treatment furnace for heat treatment at the same time; it can ensure that the inner and outer walls of the piston ring are heated evenly, reducing the defective rate; Another example is a patent with publication number CN118910379A, which is an engine piston processing heat treatment equipment, including a bottom support plate, a permeation furnace is fixed on the top of the bottom support plate through a vertical column, a top plate is fixed on the permeation furnace through U-shaped rods symmetrically distributed on the left and right sides, a sealing clamping unit is arranged at the bottom of the top plate, a plurality of positioning units are evenly arranged circumferentially in the permeation furnace, ventilation units are arranged on both sides of the permeation furnace and each positioning unit is respectively located close to and away from the center of the permeation furnace, ventilation holes are symmetrically arranged on the sides of the permeation furnace, and a ventilation cavity for ventilating each ventilation unit is arranged in the permeation furnace. The ventilation unit is provided, and the ventilation unit can not only ventilate the piston hole position in a targeted manner, but also the setting of the ball can not only separate the limit through pipe and the inside of the piston hole to facilitate the gas to penetrate into the piston hole wall; For example, the patent with publication number CN212504995U discloses an engine piston heat treatment device, which specifically relates to the field of piston heat treatment technology, including a heating furnace, a furnace cover arranged above the heating furnace, and an isolation mechanism installed above the furnace cover, wherein the furnace cover is located directly above the furnace mouth of the heating furnace, and an electric push rod output shaft connected to the furnace cover is fixed on the heating furnace; the isolation mechanism includes a sealing cover that is slidably sleeved on the electric push rod output shaft, a sealing groove is provided on the upper surface of the heating furnace at a position corresponding to the furnace cover, and the sealing groove coincides with the bottom of the sealing cover, a sealing liquid is provided in the sealing groove, an adsorption sheet is fixedly connected to the inside of the sealing groove, and a magnetic coating adsorbed by the adsorption sheet is applied to the bottom of the sealing cover. The air pump will extract the exhaust gas inside the sealing cover through the air pipe, and transport the exhaust gas to the purification tower for treatment before it meets the emission standards, which has a better exhaust gas absorption effect and an obvious exhaust gas purification effect; Most of the above-mentioned existing technologies have improved their overall structure, and the existing engine piston heat treatment processing equipment, during operation, mostly introduces carbon-containing gas into a hot furnace to harden the piston surface. Due to the change in the air pressure of the hot gas, it will surge upward inside the equipment for a long time, resulting in the inability to ensure the uniform heating of the workpiece at the bottom of the equipment, and thus there are certain limitations in use. Summary of the invention

[0003] The purpose of the present invention is to provide an energy-saving engine piston heat treatment processing device to solve the problem that most of the background technologies mentioned above involve introducing carbon-containing gas into a hot furnace to harden the piston surface, and due to the change in the gas pressure of the hot gas, it will surge upward inside the equipment for a long time, thereby resulting in the problem that the heating uniformity of the workpiece at the bottom of the equipment cannot be guaranteed.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an energy-saving engine piston heat treatment processing device, comprising a heat treatment equipment body and a supply output end, the upper end of the heat treatment equipment body is equipped with a supply output end, and the supply output end is docked with an external heating equipment; a docking transmission gear plate is installed inside the heat treatment equipment body, and the outer side of the docking transmission gear plate is meshed with a docking movable gear, and the docking movable gear is docked with the inner side of the heat treatment equipment body, the outer wall of the heat treatment equipment body is penetrated by a docking supply transmission channel, and the inner end of the heat treatment equipment body is provided with an auxiliary positioning structure, and the auxiliary positioning structure is used to adaptively position the contacted piston member to be processed; a heat recovery structure is provided between the supply transmission channel and the heat treatment equipment body, and the hot gas rising under negative pressure is recovered and processed by the heat recovery structure.

[0005] Furthermore, the auxiliary positioning structure is provided with a first preset anti-melt liquid bag, and the first preset anti-melt liquid bag is bonded and docked inside the heat treatment equipment body, and the lower end of the first preset anti-melt liquid bag is penetrated by a reserved supply pipe for docking, and the reserved supply pipe is penetrated along the inner side of the docking movable gear; a guide reserved groove is opened on the inner side of the bottom of the heat treatment equipment body, and the heat treatment equipment body and the first preset anti-melt liquid bag are docked with each other, and a reserved nested docking piece is nested and installed on the inner side of the upper end of the docking movable gear.

[0006] Furthermore, the upper end of the reserved nested docking piece is fixedly connected to an external nested docking piece, and the outer surface of the external nested docking piece is docked with a second preset anti-melt liquid bag, and the second preset anti-melt liquid bag is connected to the end of the reserved supply pipe, and a first return spring is fixedly connected between the reserved nested docking piece and the docking movable gear; the lower end of the docking movable gear is fixedly connected to a docking cam assembly, and the docking cam assembly is arranged inside the guide reserved groove.

[0007] Furthermore, the docking transmission gear disk drives the outer docking movable gear to form an engaged rotating structure, and the docking movable gear drives the docking cam assembly to synchronously rotate along the inner circumference of the guide reserved groove, and the docking cam assembly moves to apply pressure to the first preset anti-melt liquid bag when it contacts it, and the first preset anti-melt liquid bag supplies the interior of the second preset anti-melt liquid bag through the reserved supply pipe.

[0008] Furthermore, the external nested docking piece forms a nested movable structure along the upper end of the docking movable gear through a reserved nested docking piece, and the reserved nested docking piece is reset and supported along the upper end of the docking movable gear through a first reset spring.

[0009] Furthermore, the heat recovery structure is provided with a transverse guide member, and the transverse guide member is nested and docked along the inner side of the guide reserved groove, and a second return spring is fixedly connected to the outer side of the transverse guide member, and the second return spring and the inner wall of the guide reserved groove are docked with each other.

[0010] Furthermore, the lower end of the transverse guide member is butt-jointed with a reserved steel wire rope, and the reserved steel wire rope passes through the interior of the heat treatment equipment body, and a built-in nested piston member is nested and installed on the inner wall of the heat treatment equipment body, and the inner side of the built-in nested piston member is butt-jointed with the end of the reserved steel wire rope, and at the same time, the upper end of the built-in nested piston member corresponds to the upper end position of the supply transmission channel.

[0011] Furthermore, when the docking cam assembly moves to contact the transverse guide member, it pushes the transverse guide member to slide laterally along the inner side of the guide reserved groove, and the transverse guide member forms a traction structure with the built-in nested piston member through the reserved steel wire rope.

[0012] Furthermore, the built-in nested piston member forms a vertical sliding structure along the inner wall of the heat treatment equipment body, and the built-in nested piston member forms a negative pressure reciprocating fitting inward moving structure along the inner side of the upper end of the supply transmission channel.

[0013] Compared with the prior art, the present invention has the following beneficial effects: The energy-saving engine piston heat treatment processing device is provided with an auxiliary positioning structure. It only needs to nest and dock the piston part to be processed on the upper end of the spherical external nested docking part, and then the docking transmission gear plate in the active state and the docking active gear can be used to make the docking cam assembly docked at the lower end of the docking active gear contact and pressurize the first preset anti-melt liquid capsule during rotation, so that the first preset anti-melt liquid capsule can supply the inside of the second preset anti-melt liquid capsule through the reserved supply pipeline, and then the second preset anti-melt liquid capsule in the expanded state cooperates with the auxiliary positioning structure to perform adaptive positioning work on the contacted piston part to be processed, so as to meet its processing requirements; Furthermore, during the movement of the multiple groups of docking movable gears, the workpieces nested outside can be stably driven to rotate in a circle along the inside of the device, so that the piston parts to be processed can be evenly heat treated. The spherical docking structure of the externally nested docking parts and the reserved nested docking parts allows the externally nested docking parts to move in multiple directions along the upper ends of the docking movable gears, so that during the circular rotation, the workpieces can be adaptively moved in different angle ranges, so that the workpieces can be heat treated more efficiently, thereby improving the practicality of the device. Furthermore, a heat recovery structure is provided, through which the hot air rising under negative pressure can be recovered and processed. As the docking movable gear is subjected to force to drive the docking cam assembly to rotate in a circle, when it moves to contact the transverse guide member, it will push the transverse guide member to slide laterally along the inner side of the guide reserved groove, and then the transverse guide member drives the built-in nested piston member at the end to form a vertical movement along the inner wall of the heat treatment equipment body through the reserved steel wire rope, so that the built-in nested piston member can reciprocate along the inner side of the upper end of the supply transmission channel to form a negative pressure reciprocating fit and inward movement, so that the hot air accumulated at the upper end of the equipment is transmitted downward to the bottom of the equipment through the supply transmission channel for energy-saving recovery. Even if the hot air surges upward for a long time inside the equipment due to changes in air pressure, the heat recovery structure can ensure the uniformity of heating of the workpiece at the bottom of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of a half-cut three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 3 For the present invention Figure 1 A schematic diagram of the partially enlarged structure; Figure 4 Provides a schematic diagram of the three-dimensional structure of the output end of the present invention; Figure 5 It is a schematic diagram of the three-dimensional structure of the external nested docking piece of the present invention; Figure 6 It is a schematic diagram of the three-dimensional structure of the docking movable gear of the present invention; Figure 7 It is a schematic diagram of the three-dimensional structure of the first return spring of the present invention; Figure 8 This is a schematic diagram of the three-dimensional structure of the built-in nested piston member of the present invention; Fig. 9 It is a schematic diagram of the three-dimensional structure of the docking transmission gear disc of the present invention.

[0015] In the figure: 1. Heat treatment equipment body; 2. Supply output end; 3. Docking transmission gear disc; 4. Docking movable gear; 5. Supply transmission channel; 6. Reserved supply pipeline; 7. First preset anti-melt liquid bag; 8. Guide reserved groove; 9. Reserved nested docking piece; 10. First return spring; 11. External nested docking piece; 12. Second preset anti-melt liquid bag; 13. Docking cam assembly; 14. Transverse guide piece; 15. Second return spring; 16. Reserved steel wire rope; 17. Built-in nested piston piece. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] Example 1: Please refer to Figure 1-9 The present invention provides the following technical solutions: an energy-saving engine piston heat treatment processing device, comprising a heat treatment equipment body 1, a supply output end 2, a docking transmission gear plate 3, a docking movable gear 4, a supply transmission channel 5, a reserved supply pipeline 6, a first preset anti-melting liquid capsule 7, a guide reserved groove 8, a reserved nested docking piece 9, a first return spring 10, an external nested docking piece 11, a second preset anti-melting liquid capsule 12, a docking cam assembly 13, a transverse guide 14, a second return spring 15, a reserved steel wire rope 16 and a built-in nested piston piece 17; A supply output terminal 2 is installed at the upper end of the heat treatment equipment body 1, and the supply output terminal 2 is connected to the external heat supply equipment; a docking transmission gear disc 3 is installed inside the heat treatment equipment body 1, and a docking movable gear 4 is meshed on the outer side of the docking transmission gear disc 3, and the docking movable gear 4 is connected to the inner side of the heat treatment equipment body 1, and a supply transmission channel 5 is connected to the outer wall of the heat treatment equipment body 1, and an auxiliary positioning structure is provided at the inner end of the heat treatment equipment body 1, and the auxiliary positioning structure is used to perform adaptive positioning work on the contacted piston member to be processed; The auxiliary positioning structure is provided with a first preset anti-melt liquid capsule 7, and the first preset anti-melt liquid capsule 7 is bonded and docked inside the heat treatment equipment body 1, and the lower end of the first preset anti-melt liquid capsule 7 is penetrated and docked with a reserved supply pipeline 6, and the reserved supply pipeline 6 is penetrated along the inner side of the docking movable gear 4; a guide reserved groove 8 is provided on the inner side of the bottom of the heat treatment equipment body 1, and the heat treatment equipment body 1 and the first preset anti-melt liquid capsule 7 are docked with each other, and a reserved nested docking piece 9 is nested and installed on the inner side of the upper end of the docking movable gear 4. The upper end of the reserved nested docking piece 9 is fixedly connected with an external nested docking piece 11, and the outer surface of the external nested docking piece 11 is docked with a second preset anti-melt liquid capsule 12, and the second preset anti-melt liquid capsule 12 is connected with the end of the reserved supply pipeline 6, and a first reset spring 10 is fixedly connected between the reserved nested docking piece 9 and the docking movable gear 4; the lower end of the docking movable gear 4 is fixedly connected with a docking cam assembly 13, and the docking cam assembly 13 is arranged inside the guide reserved groove 8. The docking transmission gear disc 3 drives the outer docking movable gear 4 to form an engaged rotating structure, and the docking movable gear 4 drives the docking cam assembly 13 to rotate synchronously along the inner circumference of the guide reserved groove 8. The docking cam assembly 13 moves to contact the first preset anti-ablation liquid bag 7 and applies pressure to it, and the first preset anti-ablation liquid bag 7 supplies the second preset anti-ablation liquid bag 12 through the reserved supply pipe 6.

[0018] The external nested docking piece 11 forms a nested movable structure along the upper end of the docking movable gear 4 through the reserved nested docking piece 9, and the reserved nested docking piece 9 is reset and supported along the upper end of the docking movable gear 4 through the first reset spring 10. After the piston part to be processed is nested and docked on the upper end of the spherical external nested docking part 11, the docking cam assembly 13 docked at the lower end of the docking active gear 4 can be used to make contact and apply pressure to the first preset anti-melt liquid capsule 7 during the rotation process through the active docking transmission gear disc 3 and the docking active gear 4, so that the first preset anti-melt liquid capsule 7 can be supplied to the inside of the second preset anti-melt liquid capsule 12 through the reserved supply pipeline 6, and then the second preset anti-melt liquid capsule 12 in the expanded state cooperates with the auxiliary positioning structure to adaptively position the contacted piston part to be processed. During the activity of multiple groups of docking active gears 4, they will stably drive the outer nested workpiece to rotate in a circle along the inside of the equipment, so that the piston part to be processed can be evenly heat-treated, and the spherical docking structure of the external nested docking part 11 and the reserved nested docking part 9 allows the external nested docking part 11 to move in multiple directions along the upper end of the docking active gear 4, so that it can meet the different angle ranges of the workpiece for adaptive movement during the circular rotation, so that the workpiece can be heat-treated more efficiently.

[0019] Embodiment 2: Based on Embodiment 1, a heat recovery structure is also disclosed, and its specific structure is as follows: A heat recovery structure is provided between the supply transmission channel 5 and the heat treatment equipment body 1, and the hot air rising under negative pressure is recovered and processed through the heat recovery structure.

[0020] The heat recovery structure is provided with a transverse guide 14, and the transverse guide 14 is nested and docked along the inner side of the guide reserved groove 8, and the outer side of the transverse guide 14 is fixedly connected with a second return spring 15, and the second return spring 15 is docked with the inner wall of the guide reserved groove 8. The lower end of the transverse guide 14 is docked with a reserved steel wire rope 16, and the reserved steel wire rope 16 runs through the inside of the heat treatment equipment body 1, and the inner wall of the heat treatment equipment body 1 is nested with a built-in nested piston 17, and the inner side of the built-in nested piston 17 is docked with the end of the reserved steel wire rope 16, and the upper end of the built-in nested piston 17 corresponds to the upper end position of the supply transmission channel 5. When the docking cam assembly 13 moves to contact the transverse guide 14, it pushes the transverse guide 14 to slide laterally along the inner side of the guide reserved groove 8, and the transverse guide 14 forms a traction structure with the built-in nested piston 17 through the reserved steel wire rope 16.

[0021] The built-in nested piston member 17 forms a vertical sliding structure along the inner wall of the heat treatment equipment body 1, and the built-in nested piston member 17 forms a negative pressure reciprocating fitting inward movement structure along the inner side of the upper end of the supply transmission channel 5; as the docking movable gear 4 is forced to drive the docking cam assembly 13 to rotate in a circle, when it moves to contact the transverse guide member 14, it will push the transverse guide member 14 to slide laterally along the inner side of the guide reserved groove 8, and then the transverse guide member 14 drives the end of the built-in nested piston member 17 to form a vertical movement along the inner wall of the heat treatment equipment body 1 through the reserved steel wire rope 16, so that the built-in nested piston member 17 can reciprocate along the inner side of the upper end of the supply transmission channel 5 to form a negative pressure reciprocating fitting inward movement, so that the hot air accumulated at the upper end of the equipment is transmitted downward through the supply transmission channel 5 to the bottom of the equipment for energy-saving recovery. Even if the hot air surges upward for a long time inside the equipment due to the change in air pressure, the heat recovery structure can ensure the uniformity of heating of the workpiece at the bottom of the equipment.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An energy-saving engine piston heat treatment processing device, comprising a heat treatment equipment body (1) and a supply output end (2), wherein the supply output end (2) is installed at the upper end of the heat treatment equipment body (1), and the supply output end (2) is connected to an external heating device; Features: A docking transmission gear disc (3) is installed inside the heat treatment equipment body (1), and a docking movable gear (4) is meshed on the outer side of the docking transmission gear disc (3), and the docking movable gear (4) and the inner side of the heat treatment equipment body (1) are docked with each other, and a docking supply transmission channel (5) is penetrated through the outer wall of the heat treatment equipment body (1), and an auxiliary positioning structure is provided at the inner end of the heat treatment equipment body (1), and adaptive positioning work is performed on the contacting piston member to be processed through the auxiliary positioning structure; A heat recovery structure is provided between the supply transmission channel (5) and the heat treatment equipment body (1), and the hot air rising under negative pressure is recovered and processed through the heat recovery structure.

2. The energy-saving engine piston heat treatment processing device according to claim 1 is characterized in that: The auxiliary positioning structure is provided with a first preset anti-melt liquid capsule (7), and the first preset anti-melt liquid capsule (7) is bonded and docked inside the heat treatment equipment body (1), and the lower end of the first preset anti-melt liquid capsule (7) penetrates and docks with a reserved supply pipeline (6), and the reserved supply pipeline (6) penetrates along the inner side of the docking movable gear (4); A guide reserved groove (8) is provided on the inner side of the bottom of the heat treatment equipment body (1), and the heat treatment equipment body (1) and the first preset anti-melting liquid capsule (7) are butted against each other, and a reserved nested butt joint piece (9) is nested and installed on the inner side of the upper end of the butt joint movable gear (4).

3. The energy-saving engine piston heat treatment processing device according to claim 2 is characterized in that: The upper end of the reserved nested docking piece (9) is fixedly connected to an external nested docking piece (11), and the outer surface of the external nested docking piece (11) is docked with a second preset anti-melting liquid capsule (12), and the second preset anti-melting liquid capsule (12) and the end of the reserved supply pipeline (6) are connected to each other, and a first return spring (10) is fixedly connected between the reserved nested docking piece (9) and the docking movable gear (4); A docking cam assembly (13) is fixedly connected to the lower end of the docking movable gear (4), and the docking cam assembly (13) is arranged inside the guide reserved groove (8).

4. The energy-saving engine piston heat treatment processing device according to claim 3 is characterized in that: The docking transmission gear disc (3) drives the outer docking movable gear (4) to form a meshing rotation structure, and the docking movable gear (4) drives the docking cam assembly (13) to rotate synchronously along the inner circumference of the guide reserved groove (8), and the docking cam assembly (13) moves to contact the first preset anti-melting liquid capsule (7) to apply pressure thereto, and the first preset anti-melting liquid capsule (7) supplies the interior of the second preset anti-melting liquid capsule (12) through the reserved supply pipeline (6).

5. The energy-saving engine piston heat treatment processing device according to claim 4 is characterized in that: The externally arranged nested docking piece (11) forms a nested movable structure along the upper end of the docking movable gear (4) through the reserved nested docking piece (9), and the reserved nested docking piece (9) is reset and supported along the upper end of the docking movable gear (4) through the first reset spring (10).

6. The energy-saving engine piston heat treatment processing device according to claim 3 is characterized in that: The heat recovery structure is provided with a transverse guide member (14), and the transverse guide member (14) is nested and docked along the inner side of the guide reserved groove (8), and a second return spring (15) is fixedly connected to the outer side of the transverse guide member (14), and the second return spring (15) and the inner wall of the guide reserved groove (8) are docked with each other.

7. The energy-saving engine piston heat treatment processing device according to claim 6 is characterized in that: The lower end of the transverse guide member (14) is butt-jointed with a reserved steel wire rope (16), and the reserved steel wire rope (16) runs through the interior of the heat treatment equipment body (1); a built-in nested piston member (17) is nested and installed on the inner wall of the heat treatment equipment body (1), and the inner side of the built-in nested piston member (17) and the end of the reserved steel wire rope (16) are butt-jointed with each other, and the upper end of the built-in nested piston member (17) corresponds to the upper end position of the supply transmission channel (5).

8. The energy-saving engine piston heat treatment processing device according to claim 7 is characterized in that: When the docking cam assembly (13) moves to contact the transverse guide member (14), the transverse guide member (14) is pushed to slide laterally along the inner side of the guide reserved groove (8), and the transverse guide member (14) forms a traction structure with the built-in nested piston member (17) through the reserved steel wire rope (16).

9. The energy-saving engine piston heat treatment processing device according to claim 8, characterized in that: The built-in nested piston member (17) forms a vertical sliding structure along the inner wall of the heat treatment equipment body (1), and the built-in nested piston member (17) forms a negative pressure reciprocating fitting inward movement structure along the inner side of the upper end of the supply transmission channel (5).

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