Step quenching heat treatment device for high-chromium grinding balls

Abstract

The utility model relates to the technical field of high-chromium grinding ball production, in particular to a high-chromium grinding ball step quenching heat treatment device which comprises a base, a transfer cooling mechanism is arranged above the base and comprises a telescopic rod arranged above the base, and a lifting air cylinder is arranged on the inner side of the telescopic rod. The output end of the lifting air cylinder is fixedly connected with a containing frame which is fixedly connected with the bottom end of the telescopic rod, a limiting groove is formed in the inner side wall of the containing frame, the top end of the base is fixedly connected with a heightening block, the top end of the heightening block is fixedly connected with a speed reduction air cylinder, and the output end of the speed reduction air cylinder is fixedly connected with a pushing head. Through cooperation of the base and the transfer cooling mechanism, the lifting air cylinder is started to drive the placing frame to descend to reach the working position, then the speed reduction air cylinder is started to drive the pushing head to move, and therefore grinding balls in the limiting groove are pushed out to enter the air cooling groove, additional transfer operation is reduced, and manpower is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to high chromium grinding ball production technical field, concretely relates to a kind of high chromium grinding ball grading quenching heat treatment device. BACKGROUND

[0002] High chromium white cast iron grinding ball as new generation wear-resistant material, with high production efficiency, hardness distribution is uniform, wear resistance is good and so on, widely used in the field of mine power, metallurgy, building materials etc. in our country, however, its hard toughness of ups and downs leads to not wear-resistant and easy to break and round condition has been plagued by the majority of users and foundry workers.

[0003] Through retrieval, patent file with announcement No.CN117867258A provides a kind of high chromium grinding ball grading quenching heat treatment equipment and process: the application discloses a kind of high chromium grinding ball grading quenching heat treatment equipment and process, including bottom plate, the top of the bottom plate is fixedly connected with first shell, the top of the first shell is fixedly connected with horizontal plate, the top of the horizontal plate is fixedly connected with second shell.The cooperation of bottom plate, first shell, horizontal plate, second shell, grading quenching tank, refrigeration plate, temperature sensor, vertical plate, top plate, third shell, threaded rod, motor, threaded sleeve, connecting plate, electric telescopic rod and placing frame has the advantages of possessing grading quenching function, solves some defects of the previous high chromium grinding ball grading quenching heat treatment equipment in use, such as not having grading quenching function, high chromium grinding ball cannot be put into the quenching container of specified temperature according to use demand, thereby affecting the quality of high chromium grinding ball finished product, reduces the experience of user to high chromium grinding ball grading quenching heat treatment equipment, cannot meet the demand of today's market.

[0004] The above technical scheme needs to transfer the grinding ball after quenching into the air cooling equipment for cooling in the use process, however, the reserved space of the scheme is limited, and the grinding ball cannot be quickly taken out and transferred from the inside of the placing frame.

[0005] Therefore, it is necessary to invent a kind of high chromium grinding ball grading quenching heat treatment device to solve the above problems. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a kind of high chromium grinding ball grading quenching heat treatment device, by the cooperation of base and transfer cooling mechanism, grinding ball is quickly transferred, to solve the problem that reserved space is limited in prior art, grinding ball cannot be quickly taken out and transferred from the inside of the placing frame.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A high chromium grinding ball grading quenching heat treatment device, the top of base is provided with shift cooling mechanism, shift cooling mechanism includes the telescopic link that sets up in the top of base, the inside of telescopic link is provided with lift cylinder, the output end of lift cylinder is fixedly connected with the placement frame and the bottom of telescopic link is fixedly connected with placement frame, the inside wall of placement frame is equipped with limit groove, the middle part of limit groove is arc and the middle part height of limit groove is lower than both sides, the both sides and bottom of placement frame are equipped with a plurality of groups of liquid inlet hole, the top of base is fixedly connected with the increase piece, the top of increase piece is fixedly connected with the reduction gear cylinder and the output end of reduction gear cylinder is fixedly connected with the push head, the cooperation of the weight of grinding ball and limit groove makes it be limited in the inside of placement frame, and start reduction gear cylinder and push head and send it into the inside of subsequent part.

[0008] Preferably, the top of the base is fixedly connected with a top seat, the top of the top seat is provided with a servo motor, the output end of the servo motor is fixedly connected with a rotating seat, and the rotating seat is driven to rotate by starting the servo motor.

[0009] Preferably, the top wall of the top seat is provided with a plurality of protection blocks, the rotating seat is slidingly connected in the inside of the protection block, and the telescopic link and the lift cylinder are fixedly connected to the bottom end of the rotating seat. The position of the placement frame is adjusted by the rotation of the rotating seat.

[0010] Preferably, the top of the base is provided with an air cooling tank, the air cooling tank is located on one side of the push head, the top of the air cooling tank is fixedly connected with an air cooling fan, and the inside of the air cooling tank is filled with cold air by the air cooling fan to cool the grinding ball.

[0011] Preferably, the side of the air cooling tank away from the push head is provided with an electric control telescopic door, the inside wall of the electric control telescopic door is fixedly connected with a high-temperature-resistant buffer pad, and the high-temperature-resistant buffer pad is composed of a hot melt film and a ceramic silica gel. The grinding ball is discharged through the electric control telescopic door, and the high-temperature-resistant buffer pad is used to prevent the grinding ball from being damaged or losing roundness in the collision.

[0012] Preferably, the top of the base is fixedly connected with a first quenching tank, the top of the base is fixedly connected with a second quenching tank, the top of the base is fixedly connected with a third quenching tank, the first quenching tank, the second quenching tank and the third quenching tank are arranged counterclockwise around the center of the base, the temperature of the quenching medium in the first quenching tank, the second quenching tank and the third quenching tank decreases in turn, and the grinding ball enters the inside of the first quenching tank, the second quenching tank and the third quenching tank in turn for quenching by the cooperation of the telescopic link and the placement frame.

[0013] In the above technical scheme, the utility model provides the technical effect and advantage:

[0014] Through cooperation of the base and the transfer cooling mechanism, the placement frame is limited to the grinding ball by the shape of the limiting groove, so that the grinding ball can smoothly perform quenching work by cooperation of the liquid inlet hole, the lifting cylinder is started to drive the placement frame to descend to reach the working position, the reduction cylinder is started to drive the pushing head to move, so that the grinding ball in the limiting groove is pushed out to enter the inside of the air cooling tank, the height of the reduction cylinder is increased by the height increasing block, so that the reduction cylinder does not affect other parts, and the air cooling tank and the air cooling fan are cooperated to perform air cooling, so that additional transfer operation is reduced to save manpower.

[0015] Through cooperation of the first quenching tank, the second quenching tank and other parts, the servo motor is started to drive the rotating seat to rotate to adjust the position of the placement frame, so that the placement frame enters the inside of the first quenching tank, the second quenching tank and the third quenching tank in sequence to complete graded quenching under the help of the lifting cylinder, and the stability of rotation of the rotating seat is increased by the protection of the protection block. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0017] Figure 1 It is a whole first perspective structural schematic view of the utility model;

[0018] Figure 2 It is a whole second perspective structural schematic view of the utility model;

[0019] Figure 3 It is an internal structural schematic view of the utility model;

[0020] Figure 4 It is a whole third perspective structural schematic view of the utility model; Figure 2 It is an enlarged structural schematic view of A in the utility model;

[0021] Figure 5 It is a whole fourth perspective structural schematic view of the utility model; Figure 3 It is an enlarged structural schematic view of B in the utility model.

[0022] Explanation of reference signs:

[0023] 1, base; 2, transfer cooling mechanism; 201, telescopic rod; 202, lifting cylinder; 203, placement frame; 204, limiting groove; 205, liquid inlet hole; 206, reduction cylinder; 207, pushing head; 208, air cooling tank; 209, air cooling fan; 210, height increasing block; 3, servo motor; 4, top seat; 5, first quenching tank; 6, second quenching tank; 7, third quenching tank; 8, protection block; 9, rotating seat; 10, electric control telescopic door. DETAILED DESCRIPTION

[0024] In order for those skilled in the art to better understand the technical scheme of the utility model, the utility model will be further described in detail below with reference to the drawings.

[0025] The utility model provides a kind of high-chrome grinding ball grading quenching heat treatment device as Figures 1-5 As shown in a kind of high-chrome grinding ball grading quenching heat treatment device, including base 1, the top of base 1 is provided with transfer cooling mechanism 2, transfer cooling mechanism 2 includes the telescopic link 201 being set on the top of base 1, the inside of telescopic link 201 is provided with lift cylinder 202, the output end of lift cylinder 202 is fixedly connected with the placement frame 203 and placement frame 203 is fixedly connected with the bottom end of telescopic link 201, start lift cylinder 202 drives placement frame 203 to lift, the inside wall of placement frame 203 is opened with limit slot 204, the middle part of limit slot 204 is arc-shaped and the middle part height of limit slot 204 is lower than its two sides, the two sides and bottom end of placement frame 203 are all opened with several groups of liquid inlet hole 205, quenching medium can be contacted with the grinding ball inside placement frame 203, the top of base 1 is fixedly connected with heightening block 210, the top of heightening block 210 is fixedly connected with speed reducer cylinder 206 and the output end of speed reducer cylinder 206 is fixedly connected with push head 207, the cooperation of the self-weight of grinding ball and limit slot 204 makes it be limited in the inside of placement frame 203, and start speed reducer cylinder 206 and push head 207 are sent into the inside of subsequent parts, the top of base 1 is fixedly connected with top seat 4, top seat 4 is installed with servo motor 3 on the top, the output end of servo motor 3 is fixedly connected with rotary seat 9, start servo motor 3 drives rotary seat 9 to rotate, the top wall of top seat 4 is installed with several groups of protection block 8, rotary seat 9 is slidably connected in the inside of protection block 8, telescopic link 201 and lift cylinder 202 are all fixedly connected on the bottom end of rotary seat 9, the position of placement frame 203 is adjusted using the rotation of rotary seat 9, the top of base 1 is installed with air cooling groove 208, air cooling groove 208 is located at one side of push head 207, the top of air cooling groove 208 is fixedly connected with air cooling fan 209, the inside of air cooling groove 208 is filled with cold air using air cooling fan 209 so that grinding ball is cooled, through the cooperation of base 1 and transfer cooling mechanism 2, the shape of limit slot 204 is used to limit grinding ball by placement frame 203, so that grinding ball can be quenched smoothly using liquid inlet hole 205, then start lift cylinder 202 drives placement frame 203 to descend so that it reaches working position, then start speed reducer cylinder 206 drives push head 207 to move, so that grinding ball in limit slot 204 is pushed out to enter the inside of air cooling groove 208, while heightening block 210 is used to heighten speed reducer cylinder 206 so that it does not affect other parts, air cooling groove 208 and air cooling fan 209 are used to air cool, so that additional transfer operation is reduced to save manpower.

[0026] With reference to the description attached Figures 1-5 , the side away from the push head 207 of the air cooling tank 208 is provided with an electric control telescopic door 10, the inner side wall of the electric control telescopic door 10 is fixedly connected with a high-temperature-resistant buffer pad which is composed of a hot melt film and a ceramic silica gel, the electric control telescopic door 10 is used to discharge the grinding ball, and the high-temperature-resistant buffer pad is used to prevent the grinding ball from being damaged and losing roundness in the collision, the top end of the base 1 is fixedly connected with a first quenching tank 5, the top end of the base 1 is fixedly connected with a second quenching tank 6, the top end of the base 1 is fixedly connected with a third quenching tank 7, the first quenching tank 5, the second quenching tank 6 and the third quenching tank 7 are arranged counterclockwise around the center of the base 1, the temperature of the quenching medium in the first quenching tank 5, the second quenching tank 6 and the third quenching tank 7 decreases in turn, the cooperation of the telescopic rod 201 and the placing frame 203 is used to make the grinding ball enter the first quenching tank 5, the second quenching tank 6 and the third quenching tank 7 in turn for quenching, the cooperation of the first quenching tank 5, the second quenching tank 6 and other parts is used to start the servo motor 3 to drive the rotating seat 9 to rotate to adjust the position of the placing frame 203, so that the placing frame 203 enters the first quenching tank 5, the second quenching tank 6 and the third quenching tank 7 in turn under the help of the lifting cylinder 202 to complete the staged quenching, and the protection block 8 is used to protect the rotating seat 9 to increase the stability of the rotation of the rotating seat 9.

[0027] The utility model works as follows:

[0028] With reference to the description attached Figures 1-5 When the high-chromium grinding ball needs to be processed in stages, the high-chromium grinding ball is first placed in the inside of the placing frame 203, the shape of the limiting groove 204 is used to limit the grinding ball in the middle arc part of the limiting groove 204, so that it is difficult to roll to both sides, then the lifting cylinder 202 is started to drive the placing frame 203 to repeatedly lift and fall, and the servo motor 3 is started to drive the rotating seat 9 to rotate, so that the placing frame 203 enters the first quenching tank 5, the second quenching tank 6 and the third quenching tank 7 in turn for quenching, and finally moves to the top of the air cooling tank 208 to drop again, so that the top of the high-chromium grinding ball is flush with the push head 207, the speed-reducing cylinder 206 is started to drive the push head 207 to move, so that the grinding ball in the limiting groove 204 is pushed out to enter the inside of the air cooling tank 208 and prevent the grinding ball from being damaged by using the electric control telescopic door 10 and the high-temperature-resistant buffer pad in the electric control telescopic door 10, and the height of the speed-reducing cylinder 206 is increased by using the heightening block 210, so that it does not affect other parts, the air cooling tank 208 and the air cooling fan 209 are used to air cool the grinding ball, and after the cooling is completed, the electric control telescopic door 10 is started to drop to roll out of the inside of the air cooling tank 208, so that the additional transfer operation is reduced to save manpower.

[0029] The above has only described certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature, and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. A high-chromium grinding ball fractional quenching heat treatment device comprising a base (1), characterized in that: The upper part of the base (1) is provided with a transfer cooling mechanism (2), the transfer cooling mechanism (2) includes a telescopic rod (201) arranged above the base (1), the inner side of the telescopic rod (201) is provided with a lifting cylinder (202), the output end of the lifting cylinder (202) is fixedly connected with a placing frame (203), and the placing frame (203) is fixedly connected with the bottom end of the telescopic rod (201), the inner side wall of the placing frame (203) is provided with a limiting groove (204), the middle part of the limiting groove (204) is arc-shaped, and the height of the middle part of the limiting groove (204) is lower than that of the two sides, a plurality of groups of liquid inlet holes (205) are arranged on the two sides and the bottom end of the placing frame (203), the top end of the base (1) is fixedly connected with a heightening block (210), the top end of the heightening block (210) is fixedly connected with a speed reduction cylinder (206), and the output end of the speed reduction cylinder (206) is fixedly connected with a pushing head (207).

2. The apparatus for the step quenching heat treatment of high-chrome grinding balls according to claim 1, characterized in that: The top end of the base (1) is fixedly connected with a top seat (4), and the top end of the top seat (4) is installed with a servo motor (3), and the output end of the servo motor (3) is fixedly connected with a rotating seat (9).

3. A high chromium ball sizing and quenching heat treatment apparatus according to claim 2, characterized in that: The top wall of the top seat (4) is installed with a plurality of groups of protection blocks (8), and the rotating seat (9) is slidingly connected in the protection block (8).

4. The apparatus for the stage quenching heat treatment of high-chrome grinding balls according to claim 1, characterized in that: The top end of the base (1) is installed with an air cooling tank (208), the air cooling tank (208) is located on one side of the pushing head (207), and the top end of the air cooling tank (208) is fixedly connected with an air cooling fan (209).

5. A high chromium ball sizing and quenching heat treatment apparatus according to claim 4, characterized in that: The side, away from the pushing head (207), of the air cooling tank (208) is installed with an electric control telescopic door (10), and the inner side wall of the electric control telescopic door (10) is fixedly connected with a high-temperature-resistant buffer pad composed of a hot melt film and a ceramic silica gel.

6. The apparatus for the stage quenching heat treatment of high-chrome grinding balls according to claim 1, characterized in that: The top end of the base (1) is fixedly connected with a first quenching tank (5), the top end of the base (1) is fixedly connected with a second quenching tank (6), the top end of the base (1) is fixedly connected with a third quenching tank (7), the first quenching tank (5), the second quenching tank (6) and the third quenching tank (7) are arranged counterclockwise around the center of the base (1), and the temperature of the quenching medium in the first quenching tank (5), the second quenching tank (6) and the third quenching tank (7) decreases in turn.

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