A mobile pull-down type large-scale ferrule-type parts die-casting quenching equipment

Abstract

The present invention relates to the technical field of mechanical equipment, and in particular, to a mobile pull-down type large-scale ferrule-type part die-casting and quenching equipment. A mobile pull-down type large-scale ferrule-type part die-casting and quenching equipment comprises a press machine body, a mold assembly and a pressurizing assembly; the press machine body comprises a workbench, a lifting mechanism, an oil hood and a quenching plate, the quenching plate and the lifting mechanism are both connected to the workbench, the oil hood is connected to the lifting mechanism, the lifting mechanism is used to drive the oil hood to move relative to the workbench so that the oil hood cooperates with the quenching plate to form a quenching cavity; the mold assembly comprises a first mold unit connected to the workbench and a second mold unit connected to the lifting mechanism, the lifting mechanism is used to drive the second mold unit to move relative to the workbench so that the first mold unit and the second mold unit are molded together; the mobile pull-down type large-scale ferrule-type part die-casting and quenching equipment can improve the quality of part quenching processing.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical equipment, in particular to a movable pull-down type large-scale ferrule-type parts die-pressing quenching equipment. Background Art

[0002] With the promotion of the application of mobile drop-down large-sized ring-type parts press-quenching equipment in the overall heat treatment of formed parts and the continuous improvement of the corresponding process, it is widely used in the field of small and medium-sized gears and bearings, and the quality of its press-quenched workpieces has reached a very high level in terms of material properties and dimensional requirements. However, the development of press-quenching equipment for large-sized formed parts lags behind, and most of them still use free quenching. The deformation of the parts after quenching is too large. In order to meet the requirements of subsequent processes, the remaining amount of the parts must be increased, resulting in great difficulty in subsequent processing, large waste of materials, and even various problems such as uneven distribution of the hardened layer after processing or too thin hardened layer, which has a great impact on the quality of the parts. Summary of the invention

[0003] The purpose of the present invention includes providing a movable pull-down type large-scale ring-type part die-quenching equipment, which can improve the quality of the part quenching process.

[0004] The embodiments of the present invention can be implemented as follows:

[0005] In a first aspect, the present invention provides a mobile pull-down type large-scale ferrule-type part die-pressing and quenching equipment, comprising a press machine body, a die assembly and a pressurizing assembly;

[0006] The main body of the press includes a workbench, a lifting mechanism, an oil cover and a quenching plate. The quenching plate and the lifting mechanism are both connected to the workbench. The oil cover is connected to the lifting mechanism. The lifting mechanism is used to drive the oil cover to move relative to the workbench so that the oil cover cooperates with the quenching plate, thereby forming a quenching cavity between the oil cover and the quenching plate.

[0007] The mold assembly includes a first mold unit connected to the workbench and a second mold unit connected to the lifting mechanism, and the lifting mechanism is also used to drive the second mold unit to move relative to the workbench so that the first mold unit and the second mold unit are molded together, and the first mold unit and the second mold unit after the mold is closed are both located in the quenching cavity;

[0008] The pressurizing assembly includes a pressurizing cylinder connected to the workbench and a pressurizing shaft drivingly connected to the pressurizing cylinder, the pressurizing shaft being connected to the first mold unit; the pressurizing shaft is used to connect to the second mold unit, and under the driving action of the pressurizing cylinder, drives the first mold unit and the second mold unit to move toward the workbench, so that the first mold unit and the second mold unit are deformed in a direction perpendicular to the axis of the pressurizing shaft to abut against the inner ring of the workpiece which is sleeved on the first mold unit and the second mold unit and located in the quenching cavity.

[0009] In an optional embodiment, the first mold unit includes a first mold expansion, a first mold body and a first mold flap, the first mold body is sleeved on the first mold expansion, and the first mold flap is connected to the outer peripheral surface of the first mold body; the first mold expansion is provided with a through hole that cooperates with the pressure shaft, and the matching surface between the first mold body and the first mold expansion is an inclined surface; under the driving action of the pressure shaft, the first mold expansion moves relative to the first mold body along the axial direction of the pressure shaft, so that the first mold body is deformed in a direction perpendicular to the axis of the pressure shaft, and the first mold flap is driven to abut against the inner ring of the workpiece;

[0010] The second mold unit includes a second mold expansion, a second mold body and a second mold flap. The second mold body is sleeved on the second mold expansion, and the second mold flap is connected to the outer peripheral surface of the second mold body. The second mold expansion is provided with a connecting hole that cooperates with the pressure shaft, and the matching surface between the second mold body and the second mold expansion is an inclined surface. Under the driving action of the pressure shaft, the second mold expansion moves relative to the second mold body along the axial direction of the pressure shaft, so that the second mold body is deformed in a direction perpendicular to the axis of the pressure shaft, and drives the second mold flap to abut against the inner ring of the workpiece.

[0011] In an optional embodiment, the mold assembly further includes a locking unit, which is connected to the second mold expansion mold, and the locking unit is used to engage with the pressure shaft when the pressure shaft cooperates with the connecting hole.

[0012] In an optional embodiment, the quenching plate is provided with a mounting hole matched with the pressurizing shaft, and the axes of the quenching plate connected to the pressurizing shaft, the first mold unit and the second mold unit all coincide with the axis of the pressurizing shaft;

[0013] The movable pull-down type large-scale ring-type parts die-casting quenching equipment also includes a positioning ring and a plurality of support blocks connected to the quenching plate; the plurality of support blocks are distributed around the axis of the first mold unit on the outer periphery of the first mold unit, and the plurality of support blocks are used to abut against the workpiece sleeved on the first mold unit; the positioning ring is located at the matching position of the through hole and the pressure shaft.

[0014] In an optional embodiment, the lifting mechanism includes a mounting frame, a lifting cylinder, and a movable part;

[0015] The mounting frame is connected to the workbench, the lifting cylinder is connected to the mounting frame, the movable part is connected to the lifting cylinder, and the lifting cylinder is used to drive the movable part to move towards or away from the workbench relative to the mounting frame;

[0016] The oil cover and the second mold unit are both connected to the movable part.

[0017] In an optional embodiment, the lifting mechanism further includes a guide member, which is connected to the workbench and extends along the axial direction of the pressure shaft;

[0018] The guide piece cooperates with the movable piece, and is used for guiding the oil cover and the second mold unit to move along the axial direction of the pressurizing shaft.

[0019] In an optional embodiment, the press body further includes a guide rail, a movable table and a drive cylinder, the guide rail is connected to the workbench, the movable table is slidably matched with the guide rail, and the drive cylinder is transmission-connected to the movable table;

[0020] The quenching plate and the pressurizing cylinder are both connected to the movable table, and the driving cylinder is used to drive the movable table to slide relative to the guide rail, so as to drive the first mold unit, the quenching plate and the pressurizing cylinder to slide relative to the guide rail, so that the first mold unit has a first position that cooperates with the second mold, and a second position for installing or removing the workpiece, and the first position is spaced from the second position.

[0021] In an optional embodiment, the mobile pull-down type large-sized ferrule-type parts die-pressing quenching equipment further comprises an oil supply system; the quenching plate is provided with an oil inlet hole;

[0022] The oil supply system includes an oil supply pump and an oil supply pipe. The two ends of the oil supply pipe are respectively connected to the oil inlet hole and the oil outlet of the oil supply pump; the oil inlet of the oil supply pump is connected to the oil tank or the external oil circuit.

[0023] In an optional embodiment, the oil supply system further includes an oil tank, an external oil tank, an oil return pipeline, an oil replenishment pipeline, a temperature transmitter, a liquid level transmitter, and a quenching heater;

[0024] The oil inlet of the oil supply pump is connected to the oil tank; the two ends of the oil return pipeline and the oil replenishment pipeline are respectively connected to the oil tank and the external oil tank, and the oil return pipeline and the oil replenishment pipeline are both equipped with oil pumps;

[0025] The temperature transmitter is used to detect the temperature of the quenching oil in the external oil tank, the liquid level transmitter is used to detect the liquid level of the quenching oil in the external oil tank, and the quenching heater is used to heat the quenching oil in the external oil tank.

[0026] In an optional embodiment, the oil supply system further includes a circulating oil circuit, a cooling oil circuit and a three-way valve;

[0027] The circulating oil circuit is provided with an on-off valve, a filter and a circulating pump; the cooling oil circuit is provided with a cooler;

[0028] Both ends of the circulating oil circuit are connected to the external oil tank, and both ends of the cooling oil circuit are connected to the external oil tank; or, the three ports of the three-way valve are respectively connected to the external oil tank, one end of the cooling oil circuit and one end of the circulating oil circuit, and the other end of the circulating oil circuit and the other end of the cooling oil circuit are connected to the circulating oil circuit.

[0029] The beneficial effects of the embodiments of the present invention include, for example:

[0030] The movable pull-down type large-scale ring-type part die-pressing quenching equipment comprises a press body, a mold assembly and a pressurizing assembly; wherein, the press body drives the oil hood to move relative to the workbench through a lifting mechanism, so that the oil hood can cooperate with the quenching plate to form a quenching cavity; while the lifting mechanism drives the oil hood to move relative to the workbench, since the second mold unit of the mold assembly is connected to the lifting mechanism, the lifting mechanism drives the oil hood to move relative to the workbench and drives the second mold unit to move, and when the oil hood cooperates with the quenching plate to form a quenching cavity, the first mold unit and the second mold unit are molded together; and after the molds are closed, the first mold unit and the second mold unit are both located in the quenching cavity.

[0031] At this time, the workpiece located in the quenching chamber is sleeved on the first mold unit and the second mold unit; and, when the lifting mechanism drives the second mold unit to close the mold with the first mold unit, the second mold unit will move toward the direction close to the workbench and be connected with the pressurizing shaft of the pressurizing assembly, and then when the pressurizing cylinder drives the pressurizing shaft to move relative to the workbench, the first mold unit and the second mold unit can be driven to move toward the workbench, so that the first mold unit and the second mold unit are deformed in a direction perpendicular to the axis of the pressurizing shaft to abut against the inner circle of the workpiece; therefore, when the quenching oil in the quenching chamber quenches and cools the workpiece, tension can be formed on the inner wall of the workpiece, and the deformation of the workpiece in the circumferential direction during the quenching process can be limited, thereby improving the processing quality of the workpiece during the quenching process of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0033] Figure 1 It is a structural schematic diagram of a movable pull-down type large-scale ferrule-type parts die-quenching equipment in an embodiment of the present invention;

[0034] Figure 2 It is a structural schematic diagram of a mold assembly in an embodiment of the present invention;

[0035] Figure 3 It is a structural schematic diagram of the first mold unit in the embodiment of the present invention when it is in the second position;

[0036] Figure 4 It is a schematic diagram of the structure of the mold assembly when the mold is separated in an embodiment of the present invention;

[0037] Figure 5 It is a structural schematic diagram of a workbench in an embodiment of the present invention;

[0038] Figure 6 is an exploded schematic diagram of a mold assembly in an embodiment of the present invention;

[0039] Figure 7 It is a structural schematic diagram of the first mold unit in an embodiment of the present invention;

[0040] Figure 8 is a structural schematic diagram of a second mold unit in an embodiment of the present invention;

[0041] Fig. 9 Schematic diagram of the structure of the first mold unit and the second mold unit when the mold is closed in an embodiment of the present invention;

[0042] Fig.10 It is a structural schematic diagram of the lifting mechanism in an embodiment of the present invention;

[0043] Fig.11 It is a structural schematic diagram of the oil supply system in an embodiment of the present invention;

[0044] Fig.12 Schematic diagram of the structure of the outer oil tank in an embodiment of the present invention.

[0045] Icons: 200-mobile drop-down large-scale ring-type parts die-pressing and quenching equipment; 210-pressing machine body; 211-workbench; 212-lifting mechanism; 213-oil cover; 214-quenching plate; 215-quenching chamber; 216-mold assembly; 217-first mold unit; 218-second mold unit; 10-workpiece; 219-pressurizing assembly; 221-pressurizing cylinder; 222-pressurizing shaft; 223-first mold expansion; 224-first mold body; 225-first mold petal; 226-through hole; 227-second mold expansion; 228-second mold body; 229-second mold petal; 231-connecting hole; 232-mounting hole; 2 33-positioning ring; 234-support block; 235-mounting frame; 236-lifting cylinder; 237-moving part; 238-guide part; 239-guide rail; 241-movable table; 242-driving cylinder; 243-oil supply system; 244-oil inlet hole; 245-oil supply pump; 246-oil supply pipe; 247-oil tank; 248-external oil tank; 249-return oil pipeline; 251-oil replenishing pipeline; 252-temperature transmitter; 253-liquid level transmitter; 254-quenching heater; 255-circulating oil circuit; 256-cooling oil circuit; 257-three-way valve; 258-on-off valve; 259-filter; 261-circulating pump; 263-pressure rod. DETAILED DESCRIPTION

[0046] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0047] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. 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.

[0048] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0049] In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. appear to indicate an orientation or position relationship, they are based on the orientation or position relationship shown in the accompanying drawings, or are the orientation or position relationship in which the product of the invention is usually placed when used. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply 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.

[0050] In addition, the terms “first”, “second”, etc., if used, are merely used to distinguish between the descriptions and should not be understood as indicating or implying relative importance.

[0051] It should be noted that, in the absence of conflict, the features in the embodiments of the present invention may be combined with each other.

[0052] Please refer to Figure 1-Figure 5 , Figure 1 and Figure 3 The structure of the movable pull-down type large-scale ferrule-type parts die-quenching equipment in the embodiment of the present invention is shown. Figure 2 and Figure 4 The structure of the mold assembly in the embodiment of the present invention is shown. Figure 5 The structure of the workbench in the embodiment of the present invention is shown;

[0053] This embodiment provides a mobile pull-down type large-scale ferrule-type part die-pressing and quenching device 200, including a press body 210, a die assembly 216 and a pressurizing assembly 219;

[0054] The press body 210 includes a workbench 211, a lifting mechanism 212, an oil cover 213 and a quenching plate 214. The quenching plate 214 and the lifting mechanism 212 are both connected to the workbench 211. The oil cover 213 is connected to the lifting mechanism 212. The lifting mechanism 212 is used to drive the oil cover 213 to move relative to the workbench 211, so that the oil cover 213 cooperates with the quenching plate 214, and then a quenching chamber 215 is formed between the oil cover 213 and the quenching plate 214.

[0055] The mold assembly 216 includes a first mold unit 217 connected to the workbench 211 and a second mold unit 218 connected to the lifting mechanism 212. The lifting mechanism 212 is further used to drive the second mold unit 218 to move relative to the workbench 211, so that the first mold unit 217 and the second mold unit 218 are molded together, and the first mold unit 217 and the second mold unit 218 after the mold is closed are both located in the quenching cavity 215, and the workpiece 10 located in the quenching cavity 215 is sleeved on the first mold unit 217 and the second mold unit 218;

[0056] The pressurizing assembly 219 includes a pressurizing cylinder 221 connected to the workbench 211 and a pressurizing shaft 222 transmission-connected to the pressurizing cylinder 221, and the pressurizing shaft 222 is connected to the first mold unit 217; the pressurizing shaft 222 is used to connect to the second mold unit 218, and under the driving action of the pressurizing cylinder 221, drives the first mold unit 217 and the second mold unit 218 to move toward the workbench 211, so that the first mold unit 217 and the second mold unit 218 are deformed in a direction perpendicular to the axis of the pressurizing shaft 222 to abut against the inner circle of the workpiece 10 which is sleeved on the first mold unit 217 and the second mold unit 218 and located in the quenching chamber 215.

[0057] It should be noted that when the lifting mechanism 212 drives the second mold unit 218 to move toward the workbench 211, it can drive the first mold unit 217 to close or separate the molds with the second mold unit 218. When the second mold unit 218 closes the mold with the first mold unit 217, the pressure shaft 222 applies external force to the second mold unit 218 and drives the second mold unit 218 to move toward the workbench 211, which can drive the first mold unit 217 to move toward the workbench 211. In order to adapt to the size of the workpiece 10 and the requirements for the flow rate and the oil flushing time of the oil cover 213 in the process, the oil cover 213 of the corresponding size can be designed according to the actual size span of the workpiece 10.

[0058] The working principle of the mobile pull-down large-scale ferrule parts die-pressing quenching equipment 200 is:

[0059] The movable pull-down type large-sized ferrule-type part die-pressing and quenching equipment 200 comprises a press body 210, a die assembly 216 and a pressurizing assembly 219;

[0060] The first mold unit 217 of the mold assembly 216 is connected to the workbench 211, and the workpiece 10 to be quenched is sleeved on the first mold unit 217;

[0061] The press body 210 drives the oil cover 213 to move relative to the workbench 211 through the lifting mechanism 212, so that the oil cover 213 can cooperate with the quenching plate 214 to form a quenching cavity 215; when the lifting mechanism 212 drives the oil cover 213 to move relative to the workbench 211, since the second mold unit 218 of the mold assembly 216 is connected to the lifting mechanism 212, the lifting mechanism 212 drives the oil cover 213 to move relative to the workbench 211, and at the same time, the second mold unit 218 is driven to move, and when the oil cover 213 cooperates with the quenching plate 214 to form the quenching cavity 215, the first mold unit 217 and the second mold unit 218 are molded together; and, since the workpiece 10 is sleeved in the first mold unit 217, after the first mold unit 217 and the second mold unit 218 are molded together, the workpiece 10, the first mold unit 217 and the second mold unit 218 are all located in the quenching cavity 215, and the workpiece 10 is sleeved in the first mold unit 217 and the second mold unit 218;

[0062] When the lifting mechanism 212 drives the second mold unit 218 to close the mold with the first mold unit 217, the second mold unit 218 will move toward the direction close to the workbench 211 and connect with the pressure shaft 222 of the pressure assembly 219. Then, when the pressure cylinder 221 drives the pressure shaft 222 to move relative to the workbench 211, the pressure shaft 222 can drive the second mold unit 218 to move. Since the first mold unit 217 and the second mold unit 218 are in the state of closing the mold, the pressure shaft 222 can drive the first mold unit 217 and the second mold unit 218 to close the mold. The mold unit 218 moves toward the direction approaching the workbench 211, so that the first mold unit 217 and the second mold unit 218 are deformed in a direction perpendicular to the axis of the pressure shaft 222 to abut against the inner ring of the workpiece 10; thus, when the quenching oil in the quenching chamber 215 quenches and cools the workpiece 10, the first mold unit 217 and the second mold unit 218 can both form tension on the inner wall of the workpiece 10, thereby limiting the deformation of the workpiece 10 in the circumferential direction during the quenching process, and thereby improving the processing quality of the workpiece 10 during the quenching process of the workpiece 10.

[0063] For further information, please refer to Figure 1-Figure 9 , Figure 6-Figure 9The structure of the mold assembly in the embodiment of the present invention is shown. In this embodiment, when the first mold unit 217 is set, the first mold unit 217 includes a first mold expansion 223, a first mold body 224 and a first mold flap 225. The first mold body 224 is sleeved on the first mold expansion 223, and the first mold flap 225 is connected to the outer peripheral surface of the first mold body 224; the first mold expansion 223 is provided with a through hole 226 that cooperates with the pressure shaft 222, and the matching surface of the first mold body 224 and the first mold expansion 223 is an inclined surface; under the driving action of the pressure shaft 222, the first mold expansion 223 moves relative to the first mold body 224 along the axial direction of the pressure shaft 222, so that the first mold body 224 is deformed in a direction perpendicular to the axial direction of the pressure shaft 222, and the first mold flap 225 is driven to abut against the inner ring of the workpiece 10;

[0064] Similarly, when setting the second mold unit 218, the second mold unit 218 includes a second mold expansion 227, a second mold body 228 and a second mold flap 229. The second mold body 228 is sleeved on the second mold expansion 227, and the second mold flap 229 is connected to the outer peripheral surface of the second mold body 228; the second mold expansion 227 is provided with a connecting hole 231 that cooperates with the pressure shaft 222, and the matching surface between the second mold body 228 and the second mold expansion 227 is an inclined surface; under the driving action of the pressure shaft 222, the second mold expansion 227 moves relative to the second mold body 228 along the axial direction of the pressure shaft 222, so that the second mold body 228 is deformed in a direction perpendicular to the axis of the pressure shaft 222, and drives the second mold flap 229 to abut against the inner ring of the workpiece 10.

[0065] It should be noted that such a setting method can select one or more of the first mold unit 217 and the second mold unit 218 for use according to the structure and size of the workpiece 10, and for parts with a small size span, mold conversion for different workpieces 10 can be achieved by replacing the first mold flap 225 and the second mold flap 229.

[0066] For further information, please refer to Figure 1-Figure 9In this embodiment, the second mold expansion tire 227 of the second mold unit 218 is connected to the lifting mechanism 212, and the first mold expansion tire 223 of the first mold unit 217 is connected to the pressure shaft 222; and after the second mold unit 218 is molded with the first mold unit 217, the connecting hole 231 of the pressure shaft 222 cooperates with the pressure shaft 222, and since the mold assembly 216 also includes a locking unit, the locking unit is connected to the second mold expansion tire 227, and the locking unit is used to engage with the pressure shaft 222 when the pressure shaft 222 cooperates with the connecting hole 231. Therefore, when the pressure shaft 222 moves toward the direction close to the workbench 211 under the driving action of the pressure cylinder 221, the second mold expansion 227 and the first mold expansion 223 will be driven to move. Since the matching surface between the first mold body 224 and the first mold expansion 223 is an inclined surface, and the matching surface between the second mold body 228 and the second mold expansion 227 is an inclined surface, the relative movement between the first mold expansion 223 and the first mold body 224 will cause the first mold body 224 to deform in a direction perpendicular to the axis of the pressure shaft 222, and the second mold expansion 223 will be deformed. The relative movement between 227 and the second mold body 228 will cause the second mold body 228 to deform in a direction perpendicular to the axis of the pressurizing shaft 222, thereby being able to drive the first mold flap 225 and the second mold flap 229 to abut against the inner ring of the workpiece 10, and under the pressure of the pressurizing cylinder 221, they maintain an abutting state with the inner ring of the workpiece 10, thereby being able to form tension on the inner wall of the workpiece 10, thereby limiting the deformation of the workpiece 10 in the circumferential direction during the quenching process, and further being able to improve the processing quality of the workpiece 10 during the quenching process of the workpiece 10.

[0067] For further information, please refer to Figure 1-Figure 9In this embodiment, when the first mold unit 217, the second mold unit 218 and the pressure shaft 222 are set, the axes of the first mold unit 217, the second mold unit 218 and the pressure shaft 222 can be overlapped, so that the first mold unit 217 and the second mold unit 218 can move relative to the same reference when the mold is closed under the drive of the pressure shaft 222, thereby avoiding the problem of the first mold unit 217 and the second mold unit 218 moving on different axes. Specifically, in this embodiment, in order to improve the processing accuracy, the quenching plate 214 is provided with a mounting hole 232 that cooperates with the pressure shaft 222, and the axes of the quenching plate 214, the first mold unit 217 and the second mold unit 218 connected to the pressure shaft 222 coincide with the axis of the pressure shaft 222; thus, the quenching plate 214 and the first mold expansion tire 223 are both connected to the pressure shaft 222, and through the setting of the mounting hole 232 of the quenching plate 214 and the through hole 226 of the first mold expansion tire 223, it can be ensured that the quenching plate 214 is in contact with the pressure shaft 222. 2 and the coaxiality of the quenching plate 214 and the first mold expansion tire 223 connected thereto; and the second mold expansion tire 227 is provided with a connecting hole 231 which cooperates with the pressure shaft 222. Therefore, through the cooperation of the mounting hole 232, the through hole 226 and the connecting hole 231 with the pressure shaft 222, the coaxiality of the quenching plate 214, the first mold unit 217, the second mold unit 218 and the pressure shaft 222 can be ensured, and then when the second mold unit 218 moves and the pressure shaft 222 moves, the movement accuracy can be improved, thereby ensuring the processing quality.

[0068] For further information, please refer to Figure 1-Figure 9 In this embodiment, the mobile pull-down type large-scale ferrule type part die quenching equipment 200 also includes a positioning ring 233 and a plurality of support blocks 234 connected to the quenching plate 214; the plurality of support blocks 234 are distributed around the axis of the first mold unit 217 on the outer periphery of the first mold unit 217, and the plurality of support blocks 234 are used to abut against the workpiece 10 sleeved on the first mold unit 217. When the workpiece 10 is installed, the workpiece 10 abuts against the workpiece 10 sleeved on the first mold unit 217, so as to play a role in positioning and supporting the workpiece 10, so as to improve the processing quality. The positioning ring 233 is located at the matching position of the through hole 226 and the pressure shaft 222, and the positioning ring 233 can play a role in positioning and installing the first mold unit 217.

[0069] Please refer to Figure 1-Figure 10 , Fig.10The structure of the lifting mechanism in the embodiment of the present invention is shown. When the lifting mechanism 212 is set, the lifting mechanism 212 includes a mounting frame 235, a lifting cylinder 236 and a movable part 237; wherein the mounting frame 235 is connected to the workbench 211, the lifting cylinder 236 is connected to the mounting frame 235, and the movable part 237 is connected to the lifting cylinder 236. The lifting cylinder 236 is used to drive the movable part 237 to move relative to the mounting frame 235 toward or away from the workbench 211; the oil hood 213 and the second mold unit 218 are both connected to the movable part 237. It should be noted that the lifting mechanism 212 can also include a pressure rod 263 connected to the movable part 237. When the movable part 237 moves toward the workbench 211 relative to the mounting frame 235 under the action of the lifting cylinder 236, and the first mold unit 217 and the second mold unit 218 are molded together, the pressure rod 263 abuts against the workpiece 10. Thus, the two relative areas of the workpiece 10 are positioned and supported by the pressure rod 263 and the support block 234, thereby improving the processing quality of the workpiece 10.

[0070] Furthermore, the lifting mechanism 212 also includes a guide member 238, which is connected to the workbench 211 and extends along the axial direction of the pressure shaft 222; the guide member 238 cooperates with the movable member 237, and the guide member 238 is used to guide the oil cover 213 and the second mold unit 218 to move along the axial direction of the pressure shaft 222, so that in this way, the mold closing accuracy of the first mold unit 217 and the second mold unit 218 can be improved, thereby improving the processing quality of the workpiece 10.

[0071] Please refer to Figure 1-Figure 5 In this embodiment, the press body 210 further includes a guide rail 239, a movable table 241 and a drive cylinder 242. The guide rail 239 is connected to the workbench 211, the movable table 241 is slidably matched with the guide rail 239, and the drive cylinder 242 is transmission-connected to the movable table 241; the quenching plate 214 and the pressurizing cylinder 221 are both connected to the movable table 241, and the drive cylinder 242 is used to drive the movable table 241 to slide relative to the guide rail 239, so as to drive the first mold unit 217, the quenching plate 214 and the pressurizing cylinder 221 to slide relative to the guide rail 239, thereby enabling the first mold unit 217 to have a first position (such as Figure 1 and Figure 2 ), and a second position for installing or removing the workpiece 10 (as shown Figure 3 The first position is spaced from the second position. That is, the movement of the movable table 241 can drive the first die unit 217, the quenching plate 214 and the pressurizing cylinder 221 to slide relative to the guide rail 239, thereby changing the positions of the first die unit 217, the quenching plate 214 and the pressurizing cylinder 221 relative to the workbench 211, so as to facilitate the assembly and disassembly of the workpiece 10, thereby improving the processing efficiency of the workpiece 10.

[0072] For further information, please refer to Figure 1-Figure 12 , Fig.11 and Fig.12 The structure of the oil supply system in the embodiment of the present invention is shown. In order to supply quenching oil to the quenching chamber 215, the movable pull-down large-scale ring-type parts die-casting quenching equipment 200 also includes an oil supply system 243; the quenching plate 214 is provided with an oil inlet hole 244; the oil supply system 243 includes an oil supply pump 245 and an oil supply pipe 246, and the two ends of the oil supply pipe 246 are respectively connected to the oil inlet hole 244 and the oil outlet of the oil supply pump 245; the oil inlet of the oil supply pump 245 is connected to the oil tank 247 or the external oil circuit, thereby, the quenching oil can be transported to the quenching chamber 215 through the oil supply pump 245.

[0073] It should be noted that since the quenching plate 214 is connected to the movable platform 241, when the oil supply pipe 246 is connected to the oil inlet hole 244, the oil supply pipe 246 can be directly connected to the oil inlet hole 244, or an oil passage connected to the oil inlet hole 244 can be opened on the movable platform 241, and the oil supply method in which the oil supply pipe 246 is connected to the oil passage is adopted.

[0074] For further information, please refer to Figure 1-Figure 12 As a quenching equipment for large parts, the mobile pull-down type large-sized ferrule type parts die-casting quenching equipment 200 consumes a relatively larger amount of quenching oil during use. The oil tank 247 of the mobile pull-down type large-sized ferrule type parts die-casting quenching equipment 200 itself cannot meet the requirements for quenching oil during the quenching process. Therefore, an external oil tank 248 can be configured to provide quenching oil that meets the technical and process requirements for the quenching process. Therefore, in this embodiment, the oil supply system 243 also includes an oil tank 247, an external oil tank 248, an oil return pipeline 249, an oil replenishing pipeline 251, a temperature transmitter 252, a liquid level transmitter 253 and a quenching heater 254; the oil inlet of the oil supply pump 245 is connected to the oil tank 247; the two ends of the oil return pipeline 249 and the oil replenishing pipeline 251 are respectively connected to the oil tank 247 and the external oil tank 248, and the oil return pipeline 249 and the oil replenishing pipeline 251 are both provided with oil pumps; the temperature transmitter 252 is used to detect the temperature of the quenching oil in the external oil tank 248, the liquid level transmitter 253 is used to detect the liquid level of the quenching oil in the external oil tank 248, and the quenching heater 254 is used to heat the quenching oil in the external oil tank 248.

[0075] Thus, when the quenching oil in the oil tank 247 is reduced, the quenching oil can be replenished through the oil replenishment pipeline 251, and the quenching oil in the oil tank 247 can be recovered through the oil return pipeline 249. In addition, the temperature of the quenching oil in the external oil tank 248 is detected by the temperature transmitter 252, and when the oil temperature is detected to be lower than the use requirement, the quenching oil in the external oil tank 248 can be heated by the quenching heater 254, thereby improving the efficiency and quality of the quenching process. The height of the liquid level can be monitored in real time through the liquid level transmitter 253, so as to give an alarm when the liquid level is too high or too low, thereby ensuring the normal operation of the equipment.

[0076] For further information, please refer to Figure 1-Figure 12 In this embodiment, in order to improve the oil supply quality, the oil supply system 243 may also include a circulating oil circuit 255, a cooling oil circuit 256 and a three-way valve 257; wherein the circulating oil circuit 255 is provided with an on-off valve 258, a filter 259 and a circulating pump 261; the cooling oil circuit 256 is provided with a cooler; both ends of the circulating oil circuit 255 are connected to the external oil tank 248, and both ends of the cooling oil circuit 256 are connected to the external oil tank 248; or, the three ports of the three-way valve 257 are respectively connected to the external oil tank 248, one end of the cooling oil circuit 256 and one end of the circulating oil circuit 255, and the other end of the circulating oil circuit 255 and the other end of the cooling oil circuit 256 are both connected to the circulating oil circuit 255.

[0077] Since the circulating oil circuit 255 is provided with an on-off valve 258, a filter 259 and a circulating pump 261, when the circulating oil circuit 255 is connected to the external oil tank 248, the quenching oil in the external oil tank 248 can circulate in the circulating oil circuit 255, and the quenching oil in the circulating oil circuit 255 is pressed into the external oil tank 248 under the action of the circulating pump 261, which can stir the quenching oil in the external oil tank 248, thereby improving the uniformity of the quenching oil; and the quenching oil can also play a filtering role during the circulation of the circulating oil circuit 255.

[0078] When the temperature of the quenching oil in the external oil tank 248 is too high, the cooling oil circuit 256 can be connected to the external oil tank 248 or the circulating oil circuit 255, so that the quenching oil in the external oil tank 248 can be cooled by the cooler to meet the use requirements.

[0079] It should be noted that when the circulating oil circuit 255 and the cooling oil circuit 256 are provided, the circulating oil circuit 255 and the cooling oil circuit 256 can be connected to the external oil tank 248 at the same time, and the circulating oil circuit 255 and the cooling oil circuit 256 can operate independently of each other;

[0080] A three-way valve 257 may also be provided so that one port of the three-way valve 257 is connected to the external oil tank 248, and the other two ports of the three-way valve 257 are respectively connected to one end of the circulating oil circuit 255 and one end of the cooling oil circuit 256, while the other end of the circulating oil circuit 255 and the other end of the cooling oil circuit 256 are both connected to the external oil tank 248. Thus, the three-way valve 257 can be used to enable the circulating oil circuit 255 to be connected to the external oil tank 248 and the cooling oil circuit 256. That is, when the temperature of the quenching oil meets the use requirements, the circulating oil circuit 255 is connected to the external oil tank 248 through the three-way valve 257, and when the temperature of the quenching oil is high, the circulating oil circuit 255 is connected to the cooling oil circuit 256 through the three-way valve 257, so that the quenching oil can be cooled by the cooler.

[0081] In summary, the oil supply system 243 can monitor and provide feedback on the oil temperature of the external oil tank 248 in real time, and based on the monitoring results, the oil supply system 243 can heat, circulate and cool the quenching oil, thereby maintaining the relative stability of the quenching oil temperature, and can monitor the liquid level in the external oil tank 248 in real time to ensure that the quenching oil volume meets the requirements of the quenching process, preventing the quenching heater 254 from burning out and the oil pump from sucking out of the air; in addition, while meeting the needs of the quenching process, the filter 259 can maintain the quality of the oil and slow down the aging of the oil.

[0082] Please refer to Figure 1-Figure 12 The working process of the mobile pull-down large-scale ferrule parts die-cutting quenching equipment 200 is as follows:

[0083] When the equipment is in the state of waiting for the workpiece 10, the lifting cylinder 236 drives the movable member 237 to move upward, driving the second mold unit 218 and the oil cover 213 to move upward along the guide member 238;

[0084] The driving cylinder 242 extends out, driving the movable table 241 to move, so that the first mold unit 217 moves to the second position, and the oil supply system 243 is detected to be normal; the equipment waits for the arrival of the hot workpiece 10; at this time, the first mold unit 217 in the second position is not affected by the lifting mechanism 212, and the first mold unit 217 is in an open space, which is convenient for placing the workpiece 10 heated to the required temperature on the first mold unit 217; and because the first mold unit 217 in the second position is relatively in an open space, it is also convenient to configure a manipulator or robot for automatically placing the workpiece 10, forming a fully automatic production line, reducing human interference and participation, and realizing production automation;

[0085] When the workpiece 10 is placed on the first mold unit 217 and correctly sleeved on the first mold unit 217, the device start button is pressed or the device receives a start signal, the drive cylinder 242 is retracted, and the movable table 241 moves to the first position;

[0086] The lifting cylinder 236 drives the oil cover 213 and the second mold unit 218 to move downward along the guide member 238, and the oil cover 213 and the quenching plate 214 are assembled to form a quenching cavity 215 required for quenching. At the same time, the first mold unit 217 and the second mold unit 218 are molded together, and the pressure shaft 222 cooperates with the second mold unit 218. The locking unit is actuated and engaged with the pressure shaft 222, so that the mobile pull-down large-scale ferrule-type part die-pressing quenching equipment 200 is in a quenching state;

[0087] The pressurizing cylinder 221 drives the pressurizing shaft 222 downward, and the tension acts on the second mold expansion 227 and the first mold expansion 223 in sequence through the locking unit, driving the first mold expansion 223 and the second mold expansion 227 downward. At the same time, the first mold body 224 and the second mold body 228 are deformed in a direction perpendicular to the axis of the pressurizing shaft 222 under the extrusion of the first mold expansion 223 and the second mold expansion 227, that is, they move outward in the radial direction of the pressurizing shaft 222, so that the first mold flap 225 and the second mold flap 229 also move outward in the radial direction to form tension on the inner wall of the workpiece 10, thereby limiting the deformation of the workpiece 10 in the circumferential direction during the quenching process.

[0088] While the pressurizing cylinder 221 is pressurized, the oil supply pump 245 is started, and the quenching oil enters the quenching chamber 215 through the oil supply pipe 246 to achieve die quenching of the workpiece 10;

[0089] Complete the die-cut quenching process of the workpiece 10;

[0090] After the die quenching is completed, the locking unit is actuated and disengaged from the pressurizing shaft 222, and the pressurizing cylinder 221 drives the pressurizing shaft 222 upward to release the pressure, thereby providing conditions for the first mold expansion 223 and the second mold expansion 227 to retract.

[0091] The lifting cylinder 236 drives the oil cover 213 and the second mold unit 218 upward along the guide member 238, and the oil cover 213 and the quenching plate 214 are separated, and at the same time, the first mold unit 217 and the second mold unit 218 are separated;

[0092] Then the drive cylinder 242 is actuated to drive the movable table 241 to move, so that the first mold unit 217 moves from the first position to the second position, and a working cycle is completed, waiting for the press-quenched workpiece 10 to be removed and the next workpiece 10 to be clamped.

[0093] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A mobile pull-down type large-scale ferrule-type parts die-quenching equipment, characterized in that: include: A press body, the press body comprising a workbench, a lifting mechanism, an oil cover and a quenching plate, the quenching plate and the lifting mechanism are both connected to the workbench, the oil cover is connected to the lifting mechanism, and the lifting mechanism is used to drive the oil cover to move relative to the workbench so that the oil cover cooperates with the quenching plate, thereby forming a quenching cavity between the oil cover and the quenching plate; A mold assembly, the mold assembly comprising a first mold unit connected to the workbench and a second mold unit connected to the lifting mechanism, the lifting mechanism is further used to drive the second mold unit to move relative to the workbench, so that the first mold unit and the second mold unit are molded together, and the first mold unit and the second mold unit after the mold is closed are both located in the quenching cavity; as well as A pressurizing assembly, the pressurizing assembly comprising a pressurizing cylinder connected to the workbench and a pressurizing shaft drivingly connected to the pressurizing cylinder, the pressurizing shaft being connected to the first mold unit; the pressurizing shaft is used to be connected to the second mold unit, and under the driving action of the pressurizing cylinder, drives the first mold unit and the second mold unit to move in a direction close to the workbench, so that the first mold unit and the second mold unit are deformed in a direction perpendicular to the axis of the pressurizing shaft to abut against the inner ring of the workpiece which is sleeved on the first mold unit and the second mold unit and located in the quenching cavity; The first mold unit comprises a first mold expansion, a first mold body and a first mold flap, the first mold body is sleeved on the first mold expansion, and the first mold flap is connected to the outer peripheral surface of the first mold body; the first mold expansion is provided with a through hole matched with the pressure shaft, and the matching surface of the first mold body and the first mold expansion is an inclined surface; under the driving action of the pressure shaft, the first mold expansion moves relative to the first mold body along the axial direction of the pressure shaft, so that the first mold body is deformed in a direction perpendicular to the axial direction of the pressure shaft, and the first mold flap is driven to abut against the inner ring of the workpiece; The second mold unit includes a second mold expansion, a second mold body and a second mold flap, the second mold body is sleeved on the second mold expansion, and the second mold flap is connected to the outer circumferential surface of the second mold body; the second mold expansion is provided with a connecting hole that cooperates with the pressure shaft, and the matching surface between the second mold body and the second mold expansion is an inclined surface; under the driving action of the pressure shaft, the second mold expansion moves relative to the second mold body along the axial direction of the pressure shaft, so that the second mold body is deformed in a direction perpendicular to the axis of the pressure shaft, and drives the second mold flap to abut against the inner ring of the workpiece.

2. The movable pull-down type large-scale ferrule-type parts die-quenching equipment according to claim 1 is characterized in that: The mold assembly further includes a locking unit, which is connected to the second mold expansion, and the locking unit is used to engage with the pressure shaft when the pressure shaft is matched with the connecting hole.

3. The movable pull-down type large-sized ferrule-type parts die-quenching equipment according to claim 1 is characterized in that: The quenching plate is provided with a mounting hole matched with the pressurizing shaft, and the axes of the quenching plate, the first mold unit and the second mold unit connected to the pressurizing shaft all coincide with the axis of the pressurizing shaft; The movable pull-down type large-scale ring-type parts die-casting quenching equipment also includes a positioning ring and a plurality of support blocks connected to the quenching plate; the plurality of support blocks are distributed on the outer periphery of the first mold unit around the axis of the first mold unit, and the plurality of support blocks are used to abut against the workpiece sleeved on the first mold unit; the positioning ring is located at the matching position between the through hole and the pressure shaft.

4. The movable pull-down type large-sized ferrule-type parts die-quenching equipment according to claim 1 is characterized in that: The lifting mechanism includes a mounting frame, a lifting cylinder and a movable part; The mounting frame is connected to the workbench, the lifting cylinder is connected to the mounting frame, the movable part is connected to the lifting cylinder, and the lifting cylinder is used to drive the movable part to move towards or away from the workbench relative to the mounting frame; The oil cover and the second mold unit are both connected to the movable part.

5. The movable pull-down type large-sized ferrule-type parts die-quenching equipment according to claim 4 is characterized in that: The lifting mechanism further comprises a guide member, the guide member is connected to the workbench, and the guide member extends along the axial direction of the pressure shaft; The guide member cooperates with the movable member, and the guide member is used to guide the oil cover and the second mold unit to move along the axial direction of the pressurizing shaft.

6. The movable pull-down type large-scale ferrule-type parts die-quenching equipment according to any one of claims 1 to 5, characterized in that: The press body also includes a guide rail, a movable table and a driving cylinder, the guide rail is connected to the workbench, the movable table is slidably matched with the guide rail, and the driving cylinder is drivingly connected to the movable table; The quenching plate and the pressurizing cylinder are both connected to the movable table, and the driving cylinder is used to drive the movable table to slide relative to the guide rail, so as to drive the first mold unit, the quenching plate and the pressurizing cylinder to slide relative to the guide rail, so that the first mold unit has a first position that cooperates with the second mold, and a second position for installing or removing the workpiece, and the first position is spaced apart from the second position.

7. The movable pull-down type large-scale ferrule-type part die-quenching equipment according to any one of claims 1 to 5, characterized in that: The movable pull-down type large-scale ferrule-type parts die-pressing quenching equipment also includes an oil supply system; the quenching plate is provided with an oil inlet hole; The oil supply system includes an oil supply pump and an oil supply pipe, wherein two ends of the oil supply pipe are respectively connected to the oil inlet hole and the oil outlet of the oil supply pump; the oil inlet of the oil supply pump is connected to the oil tank or an external oil circuit.

8. The movable pull-down type large-sized ferrule-type parts die-quenching equipment according to claim 7 is characterized in that: The oil supply system also includes an oil tank, an external oil tank, an oil return pipeline, an oil replenishment pipeline, a temperature transmitter, a liquid level transmitter and a quenching heater; The oil inlet of the oil supply pump is connected to the oil tank; the two ends of the oil return pipeline and the oil replenishment pipeline are respectively connected to the oil tank and the external oil tank, and the oil return pipeline and the oil replenishment pipeline are both provided with an oil pump; The temperature transmitter is used to detect the temperature of the quenching oil in the outer oil tank, the liquid level transmitter is used to detect the liquid level of the quenching oil in the outer oil tank, and the quenching heater is used to heat the quenching oil in the outer oil tank.

9. The movable pull-down type large-sized ferrule-type parts die-quenching equipment according to claim 8 is characterized in that: The oil supply system also includes a circulating oil circuit, a cooling oil circuit and a three-way valve; The circulating oil circuit is provided with an on-off valve, a filter and a circulating pump; the cooling oil circuit is provided with a cooler; Both ends of the circulating oil circuit are connected to the external oil tank, and both ends of the cooling oil circuit are connected to the external oil tank; or, the three ports of the three-way valve are respectively connected to the external oil tank, one end of the cooling oil circuit and one end of the circulating oil circuit, and the other end of the circulating oil circuit and the other end of the cooling oil circuit are connected to the circulating oil circuit.

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