Quenching equipment for mold ejector pin

Abstract

The quenching equipment comprises a quenching box, an upper cover is connected to the outer surface of the upper end of the quenching box in a sleeved mode, a first air cylinder is fixed to the side face of the quenching box, the end face of a pushing rod of the first air cylinder is fixedly connected to the lower surface of the upper cover, and the inner side surface of the upper cover is tightly attached to the outer surface of the quenching box. The surface of the inner side of the upper cover is covered with a rubber layer, a second air cylinder is fixed to the upper surface of the upper cover, a tray is installed on the end face of a pushing rod of the second air cylinder in a clamped mode, an opening is formed in the surface of the tray, and a blocking net is arranged on the surface of the inner side of the opening. Generated smoke is isolated by space, during suction, the smoke can be sucked and filtered in a sealed mode, filtering is comprehensive, leakage and leaving are avoided, the tray is assembled at the push rod end of the second air cylinder through a clamping structure, and the tray is convenient to assemble and disassemble before and after quenching, and workpieces are convenient to take.

Description

Technical Field

[0001] The utility model relates to the field of quenching equipment for a mold ejector pin, and more specifically, to a quenching equipment for a mold ejector pin. Background Art

[0002] A mold is a mold that is used to make an object using injection molding, extrusion or forging processes. Common materials include stainless steel, carbon tool steel, aluminum alloy or zinc alloy, etc. The ejector pin is a mold accessory that ejects the product from the mold. In order to improve its physical properties, it is usually hardened using a quenching device.

[0003] However, the existing mold ejector pin quenching device has the following problems when used:

[0004] Since quenching waste gas is generated during the quenching of the mold ejector pin, the quenching waste gas needs to be treated to avoid direct emission of the waste gas and pollution of the environment. However, the existing mold ejector pin quenching device is not convenient for treating the quenching waste gas, which easily leads to waste gas pollution of the environment, thereby reducing the practicality of the quenching device;

[0005] In its prior art patents, such as the authorization announcement number CN220643204U, a mold ejector pin quenching device is disclosed, which includes a water tank, a lifting rod is movably installed on the inner wall of one side of the water tank, a positioning rod is fixedly installed on the inner wall of the other side of the water tank, and a bracket is sleeved on the outer wall of the positioning rod; a grid box, the grid box is fixedly installed on the upper end of the bracket, and a sealing mechanism is provided on the lower inner wall of the grid box; an exhaust pipe, the exhaust pipe is embedded in the upper surface of the water tank fixed on the side of the positioning rod, an exhaust fan is fixedly provided on the inner wall of the lower end of the exhaust pipe, and activated carbon cotton is movably connected to the upper inner wall of the exhaust fan, and a baffle is movably installed on the upper outer wall of the exhaust pipe. The mold ejector pin quenching device is convenient for processing quenching exhaust gas, avoiding the phenomenon of exhaust gas polluting the environment, thereby improving the practicality of the quenching device;

[0006] The above patent adopts an exhaust mechanism for suction and filtration, but when in use, the suction structure is exposed to the outside, the suction space is not sealed, there will be omissions during suction, and the workpiece is inconvenient to take before and after quenching. Utility Model Content

[0007] In view of the problems existing in the prior art, the purpose of the utility model is to provide a quenching device for mold ejectors. Through the two-way lifting structure, the upper cover can be closed, and then the tray can be immersed in the quenching box for quenching. The generated smoke is isolated by the space. When sucking, the smoke can be filtered in a closed manner. The filtration is comprehensive and there will be no leakage. Secondly, the tray is assembled on the push rod end of the second cylinder through the clamping structure, which is convenient for assembly and disassembly before and after quenching, and convenient for taking the workpiece.

[0008] To solve the above problems, the utility model adopts the following technical solutions.

[0009] A quenching device for a mold ejector comprises a quenching box, an upper cover is sleeved on the outer surface of the upper end of the quenching box, a first cylinder is fixed to the side of the quenching box, an end face of a push rod of the first cylinder is fixedly connected to the lower surface of the upper cover, an inner surface of the upper cover is tightly attached to the outer surface of the quenching box, an inner surface of the upper cover is covered with a rubber layer, a second cylinder is fixed to the upper surface of the upper cover, a tray is clamped and installed on the end face of the push rod of the second cylinder, an opening is arranged on the surface of the tray, a screen is arranged on the inner surface of the opening, a turbine fan is fixed to the inner surface of the upper end of the upper cover, a tube is fixed outside the blowing port of the turbine fan, and a Activated carbon adsorption cotton, an angle positioning seat is arranged on the inner side of the tray, a positioning protrusion is arranged on the end face of the propulsion rod of the second cylinder, the positioning protrusion slides into the inner surface of the angle positioning seat, a positioning pin is arranged on the inner surface of the lower end of the tray, a spring is arranged outside the positioning pin, the upper end of the positioning pin is clamped on the inner surface of the propulsion rod end of the second cylinder, and through the two-way lifting structure, the upper cover can be closed, and then the tray is immersed in the quenching box for quenching, the generated smoke is isolated by the space, and when sucking, the smoke can be filtered in a closed manner, the filtration is comprehensive, and there will be no leakage or residue. Secondly, the tray is assembled on the propulsion rod end of the second cylinder through the clamping structure, and it is easy to assemble and disassemble before and after quenching, and it is convenient to take the workpiece.

[0010] Furthermore, the two sides of the corner positioning seat are distributed on the inner surface of the tray, and the positioning protrusion is clamped on the inner surface of the corner positioning seat.

[0011] Furthermore, a positioning groove is provided on the end surface of the propulsion rod of the second cylinder, and the outer surface of the upper end of the positioning pin is clamped on the inner surface of the positioning groove.

[0012] Furthermore, the outer surface of the air inlet of the turbine fan is fixed to the inner surface of the upper cover, and a tube is fixed outside the air outlet of the turbine fan.

[0013] Furthermore, four groups of openings are arranged on the surface of the tray, and a fixed mesh is welded inside the openings of the tray, and the mesh is made of stainless steel wire.

[0014] Furthermore, a slide groove is arranged on the lower surface of the tray, the outer surface of the positioning pin is slidably connected to the inner surface of the slide groove, and the spring is sleeved on the outer surface of the positioning pin.

[0015] Furthermore, the positioning pin adopts a cross-shaped bayonet structure, and a spherical protrusion structure is arranged on the upper end surface of the positioning pin.

[0016] Compared with the prior art, the advantages of the present invention are:

[0017] (1) Through the two-way lifting structure, the upper cover can be closed, and then the tray can be immersed in the quenching box for quenching. The generated smoke is isolated by the space. When sucking, the smoke can be filtered in a closed manner, and the filtration is comprehensive without leakage. Secondly, the tray is assembled at the end of the propulsion rod of the second cylinder through a clamping structure. It is easy to assemble and disassemble before and after quenching, and it is convenient to take the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model (tray descending diagram);

[0019] Figure 2 It is a schematic diagram of the overall structure of the utility model (tray rising diagram);

[0020] Figure 3 This is a tray view of the utility model;

[0021] Figure 4 It is an enlarged view of point A of the present utility model.

[0022] Description of the numbers in the figure:

[0023] 1 quenching box, 2 first cylinder, 3 upper cover, 4 second cylinder, 5 tray, 6 turbo fan, 7 tube, 8 activated carbon adsorption cotton, 50 blocking net, 9 corner positioning seat, 10 slide groove, 11 positioning pin, 12 spring, 13 positioning slot, 40 positioning protrusion. DETAILED DESCRIPTION

[0024] 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.

[0025] Example 1

[0026] See also Figure 1-4A quenching device for a mold ejector comprises a quenching box 1, an upper cover 3 is sleeved on the upper outer surface of the quenching box 1, a first cylinder 2 is fixed on the side of the quenching box 1, an end face of a push rod of the first cylinder 2 is fixedly connected to the lower surface of the upper cover 3, an inner surface of the upper cover 3 is tightly attached to the outer surface of the quenching box 1, an inner surface of the upper cover 3 is covered with a rubber layer, a second cylinder 4 is fixed on the upper surface of the upper cover 3, a tray 5 is clamped and installed on the end face of the push rod of the second cylinder 4, an opening is arranged on the surface of the tray 5, a screen 50 is arranged on the inner surface of the opening, a turbine fan 6 is fixed on the inner surface of the upper end of the upper cover 3, a tube 7 is fixed outside the blowing port of the turbine fan 6, and activated carbon is fixed inside the tube 7 Adsorption cotton 8, an angle positioning seat 9 is arranged on the inner side of the tray 5, a positioning protrusion 40 is arranged on the end face of the propulsion rod of the second cylinder 4, the positioning protrusion 40 slides into the inner surface of the angle positioning seat 9, a positioning pin 11 is arranged on the inner surface of the lower end of the tray 5, a spring 12 is arranged outside the positioning pin 11, and the upper end of the positioning pin 11 is clamped on the inner surface of the propulsion rod end of the second cylinder 4. Through the two-way lifting structure, the upper cover can be closed, and then the tray is immersed in the quenching box for quenching, and the generated smoke is isolated by the space. When sucking, the smoke can be filtered in a closed manner, and the filtration is comprehensive without leakage. Secondly, the tray is assembled on the propulsion rod end of the second cylinder through the clamping structure, which is convenient for assembly and disassembly before and after quenching, and convenient for picking up the workpiece.

[0027] The two sides of the folding angle positioning seat 9 are distributed on the inner surface of the tray 5, and the positioning protrusion 40 is clamped on the inner surface of the folding angle positioning seat 9, which is convenient for sliding into the positioning. The positioning protrusion 40 can be supported on the inner end of the folding angle positioning seat 9, and the second cylinder 4 drives the propulsion rod to telescope up and down, which can drive the tray 5 to move up and down;

[0028] The end surface of the push rod of the second cylinder 4 is provided with a positioning slot 13, and the upper end outer surface of the positioning pin 11 is clamped on the inner surface of the positioning slot 13. When installing, put the workpiece to be quenched in the tray 5, and the positioning protrusion 40 slides into the angle positioning seat 9 in the tray 5. At this time, the spring 12 bounces up the positioning pin 11 and rises, which can be clamped into the positioning slot 13 of the push rod for positioning, and can be installed and fixed, and the buckle installation is convenient, and it is convenient to load before quenching;

[0029] The upper cover 3 is driven down by the first cylinder 2, and can be firstly put on the outside of the quenching box 1 for sealing. The second cylinder 4 drives the tray 5 to be lowered and immersed in the quenching box 1 for quenching. The quenching is sealed, and the waste gas generated will not leak. The outer surface of the air inlet of the turbine fan 6 is fixed to the inner surface of the upper cover 3. The pipe 7 is fixed outside the air outlet of the turbine fan 6 to facilitate the suction of the waste gas generated. The waste gas is adsorbed by the activated carbon adsorption cotton 8 and then discharged;

[0030] The surface of the tray 5 is provided with four groups of openings, and a fixed screen 50 is welded inside the openings of the tray 5. The screen 50 is made of stainless steel wire. When immersed in quenching, the screen 50 can filter the quenching medium. The stainless steel wire material is convenient for rust prevention.

[0031] A slide groove 10 is provided on the lower surface of the tray 5, and the outer surface of the positioning pin 11 is slidably connected to the inner surface of the slide groove 10, and the spring 12 is sleeved on the outer surface of the positioning pin 11, so as to facilitate squeezing the positioning pin 11 to engage. When disassembling, the positioning pin 11 is pulled downward to disengage from the positioning slot 13, and the tray 5 can be slid and removed;

[0032] The positioning pin 11 adopts a cross-shaped bayonet structure, and a spherical protrusion structure is arranged on the upper end surface of the positioning pin 11. The spherical protrusion is convenient for guiding the bayonet during the bayonet connection.

[0033] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A quenching device for a mold ejector pin, comprising a quenching box (1), characterized in that: The upper outer surface of the quenching box (1) is sleeved with an upper cover (3), a first cylinder (2) is fixed to the side of the quenching box (1), the end face of the propulsion rod of the first cylinder (2) is fixedly connected to the lower surface of the upper cover (3), the inner surface of the upper cover (3) is tightly attached to the outer surface of the quenching box (1), the inner surface of the upper cover (3) is covered with a rubber layer, a second cylinder (4) is fixed to the upper surface of the upper cover (3), the end face of the propulsion rod of the second cylinder (4) is clamped and mounted with a tray (5), an opening is provided on the surface of the tray (5), a blocking net (50) is provided on the inner surface of the opening, and the upper cover (3) A turbine fan (6) is fixed on the inner surface of the upper end, a tube (7) is fixed outside the blowing port of the turbine fan (6), and an activated carbon adsorption cotton (8) is fixed inside the tube (7). An angle positioning seat (9) is arranged on the inner side of the tray (5), and a positioning protrusion (40) is arranged on the end face of the propulsion rod of the second cylinder (4). The positioning protrusion (40) slides into the inner surface of the angle positioning seat (9). A positioning pin (11) is arranged on the inner surface of the lower end of the tray (5), and a spring (12) is arranged outside the positioning pin (11). The upper end of the positioning pin (11) is clamped on the inner surface of the propulsion rod end of the second cylinder (4).

2. A quenching device for a mold ejector according to claim 1, characterized in that: The two sides of the corner positioning seat (9) are distributed on the inner surface of the tray (5), and the positioning protrusion (40) is clamped on the inner surface of the corner positioning seat (9).

3. A quenching device for a mold ejector according to claim 1, characterized in that: The end surface of the propulsion rod of the second cylinder (4) is provided with a positioning groove (13), and the upper end outer surface of the positioning pin (11) is clamped on the inner side surface of the positioning groove (13).

4. The quenching equipment for mold ejector pins according to claim 1, characterized in that: The outer surface of the air inlet of the turbine fan (6) is fixed to the inner surface of the upper cover (3), and a tube (7) is fixed outside the air outlet of the turbine fan (6).

5. The quenching equipment for mold ejector pins according to claim 1, characterized in that: Four groups of openings are arranged on the surface of the tray (5), and a fixed screen (50) is welded inside the openings of the tray (5), and the screen (50) is made of stainless steel wire.

6. The quenching equipment for mold ejector pins according to claim 1, characterized in that: A slide groove (10) is arranged on the lower surface of the tray (5), the outer surface of the positioning pin (11) is slidably connected to the inner surface of the slide groove (10), and the spring (12) is sleeved on the outer surface of the positioning pin (11).

7. A quenching device for a mold ejector according to claim 1, characterized in that: The positioning pin (11) adopts a cross-shaped bayonet structure, and a spherical protrusion structure is arranged on the upper end surface of the positioning pin (11).

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