Quenching and tempering device with stable workpiece shrinkage rate

Abstract

The utility model relates to the technical field of quenching and tempering devices, in particular to a quenching and tempering device with stable workpiece shrinkage rate, which comprises a cooling pond and a plurality of support rods, the plurality of support rods are fixedly connected to four corners of the upper end face of the cooling pond respectively, the upper end faces of the support rods are fixedly connected with a zigzag plate, and an adjusting mechanism is arranged in the zigzag plate. Through the cooperation of the electric push rod, the supporting rod, the cooling box and other structures, after a workpiece is quenched and tempered, the electric push rod is started to stretch and contract once to drive the cooling box to turn over, so that the collision rod collides with the elastic rod to generate vibration; the high-temperature cooling liquid containing oxides is poured onto the sieve plate, and the clean and low-temperature cooling liquid is pumped back into the cooling box, so that the cooling liquid contacted with a workpiece during quenching each time is clean and low-temperature, the stable shrinkage rate of the workpiece is kept, and the quenching quality of the workpiece is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to quenching and tempering device technical field especially relates to a work piece shrinkage stable quenching and tempering device. BACKGROUND

[0002] Work piece quenching and tempering process refers to the work piece is heated to certain stable, then is placed to cooling tank and makes it rapidly cool down, or is placed in air and makes it slowly cool down, makes work piece have different mechanical properties, and cooling tank adopts semi-closed water pool, uses lifting appliance to place product directly in quenching pool and carries out quenching again and takes out part from cooling pool.

[0003] The defect of the existing cooling pool is that the bottom of the cooling pool is easy to deposit oxide skin and other impurities, which is not easy to clean, affects the cleanliness of the quenching liquid, and the impurities contaminate the surface of the subsequent workpiece, affecting the quenching quality of the workpiece. In addition, the cooling liquid is easy to heat during quenching and tempering, and hot water will flow upwards, so the upper end of the quenching cooling liquid is always hot and the bottom is cool. Different temperatures can easily affect the shrinkage rate of the workpiece, and the stability of the produced products is different. UTILITY MODEL CONTENTS

[0004] The utility model discloses a work piece shrinkage stable quenching and tempering device to solve the following shortcomings in the prior art. The bottom of the existing cooling pool is easy to deposit oxide skin and other impurities, which is not easy to clean, affects the cleanliness of the quenching liquid, and the impurities contaminate the surface of the subsequent workpiece, affecting the quenching quality of the workpiece. In addition, the cooling liquid is easy to heat during quenching and tempering, and hot water will flow upwards, so the upper end of the quenching cooling liquid is always hot and the bottom is cool. Different temperatures can easily affect the shrinkage rate of the workpiece, and the stability of the produced products is different.

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

[0006] A work piece shrinkage stable quenching and tempering device, comprising a cooling pool and a support rod, a plurality of support rods are fixedly connected at the upper end of the cooling pool at four corners, and the upper end of the support rod is fixedly connected with a backplate.

[0007] The backplate is provided with an adjusting mechanism, the adjusting mechanism comprises a support rod, an extrusion plate, a square plate and an air bag, two support rods are rotatably connected to the inner side walls at both ends of the backplate, the outer surface of the support rod is provided with a silk thread, two extrusion plates are threadedly connected to the outer surface of the support rod, the square plate is fixedly connected to both ends of the backplate, and two air bags are fixedly connected between the extrusion plate and the square plate.

[0008] Preferably, two said support rod between fixedly connected with cooling box, the two ends of the cooling box are annular array respectively installed with a plurality of impact rods.

[0009] Preferably, the inner side wall of the meander plate is fixedly connected with an elastic rod at both ends, the end of the elastic rod away from the meander plate is fixedly connected with a counterweight, and the elastic rod is slidably connected with the impact rod.

[0010] Preferably, the inner side wall of the meander plate is fixedly connected with an electric push rod, the telescopic end of the electric push rod is fixedly connected with an L-shaped rack plate, the outer surface of one of the support rods close to the electric push rod is fixedly connected with a gear, and the L-shaped rack plate is meshingly connected with the gear.

[0011] Preferably, the air bag and the cooling box are fixedly communicated with an air outlet pipe, the air bag and the cooling tank are fixedly communicated with an air inlet pipe, and the air outlet pipe and the air inlet pipe are both provided with a one-way valve.

[0012] Preferably, the support rod is slidably connected with a sieve plate, and the sieve plate and the cooling tank are fixedly connected with a sieve spring.

[0013] Compared with the prior art, the device has the advantages that:

[0014] 1. After the workpiece is quenched and tempered, the electric push rod, the support rod and the cooling box are cooperated, the electric push rod is started to expand and contract once, the cooling box is turned over, the impact rod collides with the elastic rod, vibration is generated, the cooling tank is turned over, under the action of gravity, the high-temperature cooling liquid containing oxides is poured into the sieve plate, and the clean low-temperature cooling liquid is pumped back into the cooling tank, so that the cooling liquid contacted by the workpiece each time is clean and low-temperature, the stable shrinkage rate of the workpiece is maintained, and the quenching quality of the workpiece is ensured.

[0015] 2. The sieve plate, the sieve spring and the air bag are cooperated, the cooling liquid containing oxides is impacted on the sieve plate, the sieve spring is elastically cooperated, the inclined sieve plate is continuously shaken to separate the oxides, the cooling liquid is kept clean, the high-temperature cooling liquid is used to float on the top due to the low density, the cooling liquid is continuously pumped from the bottom, the cooling liquid has enough time to cool down, the cooling liquid is recycled, the cooling liquid is kept clean and low-temperature, the cooling liquid contacted by the workpiece each time is clean and low-temperature, the stable shrinkage rate of the workpiece is maintained, and the quenching quality of the workpiece is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A sieve plate structure diagram of the workpiece shrinkage rate stable quenching and tempering device is provided.

[0017] Figure 2 A cooling box structure schematic diagram of the quenching and tempering device with stable workpiece shrinkage rate is provided in the utility model.

[0018] Figure 3 An extrusion plate structure schematic diagram of the quenching and tempering device with stable workpiece shrinkage rate is provided in the utility model.

[0019] Figure 4 For Figure 1 A local enlarged view of A.

[0020] In the figure: 1 cooling pool, 2 support rod, 3 backplate, 4 support rod, 5 extrusion plate, 6 square plate, 7 air bag, 8 cooling box, 9 collision rod, 10 elastic rod, 11 counterweight, 12 electric push rod, 13 L-shaped rack plate, 14 gear, 15 air outlet pipe, 16 air inlet pipe, 17 sieve plate, 18 sieve spring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0022] The terms such as "up", "down", "left", "right", "middle" and "one" cited in the utility model are only for the convenience of clear description, rather than to limit the scope of the utility model that can be implemented. The change or adjustment of the relative relationship is also regarded as the scope of the utility model that can be implemented without substantial change of the technical content.

[0023] Refer to Figures 1-4The utility model provides a kind of quenching and tempering device of workpiece shrinkage stability, including cooling pool 1 and support rod 2, cooling pool 1 is stored with quenching liquid, multiple support rod 2 is respectively fixedly connected at the upper end surface four corners of cooling pool 1, support rod 2 is slidably connected with sieve plate 17, sieve plate 17 is inclined to set, and surface is very smooth, sieve plate 17 surface is provided with multiple sieve holes, can be screened to the oxide of workpiece surface peeling, sieve plate 17 is fixedly connected with sieve spring 18 between cooling pool 1, the upper end surface of support rod 2 is fixedly connected with return plate 3, return plate 3 is equipped with adjusting mechanism, adjusting mechanism includes support rod 4, extrusion plate 5, square plate 6, gasbag 7, two support rods 4 are respectively rotatably connected at the both ends of the inner side wall of return plate 3, the outer surface of support rod 4 is provided with thread, and the direction of two ends thread is opposite, and thread span is larger, so support rod 4 rotation angle is smaller, and extrusion plate 5 can be moved far distance, two extrusion plates 5 are respectively threadedly connected on the outer surface of support rod 4, square plate 6 is respectively fixedly connected at the both ends of return plate 3, two gasbags 7 are respectively fixedly connected between extrusion plate 5 and square plate 6, gasbag 7 is fixedly communicated with outlet tube 15 between cooling tank 8, gasbag 7 is fixedly communicated with inlet tube 16 between cooling pool 1, inlet tube 16 is connected at the bottom of cooling pool 1, and the temperature of cooling liquid at bottom is lowest, one-way valve is arranged in outlet tube 15 and inlet tube 16, and the flow direction of one-way valve in inlet tube 16 is from cooling pool 1 to gasbag 7, and the flow direction of one-way valve in outlet tube 15 is from gasbag 7 to cooling tank 8.

[0024] Two support rods 4 are fixedly connected with cooling tank 8, and multiple impact rods 9 are arranged in annular array at the both ends of cooling tank 8, respectively, the both ends of the inner side wall of return plate 3 are fixedly connected with elastic rod 10, respectively, elastic rod 10 has good elasticity, and is bent and deformed under certain external force, and quickly restores when external force disappears, the end, away from return plate 3, of elastic rod 10 is fixedly connected with counterweight 11, and elastic rod 10 is slidably connected with impact rod 9.

[0025] Electric push rod 12 is fixedly connected on the inner side wall of return plate 3, the telescopic end of electric push rod 12 is fixedly connected with L-shaped rack plate 13, one of the support rods 4, close to electric push rod 12, outer surface is fixedly connected with gear 14, and L-shaped rack plate 13 is meshingly connected with gear 14.

[0026] The utility model discloses a waste collecting box is placed in the edge of the lower side of sieve plate 17 first when using, then the workpiece after heating is hung and put into cooling box 8 and carries out quenching or annealing treatment, the workpiece of high temperature is immersed in cooling box 8, and the workpiece surface oxide is peeled off from the surface, and enters cooling box 8 and is heated by cooling liquid, after quenching or annealing is completed, the workpiece is hung out, when starting electric push rod 12 relaxation, electric push rod 12 drives L shape rack plate 13 forward movement, L shape rack plate 13 is driven support rod 4 and presents clockwise rotation one hundred and eighty degrees through gear 14, and support rod 4 drives cooling box 8 and presents clockwise rotation one hundred and eighty degrees, and multiple impact rods 9 rotate with support rod 4 as center, and impact rod 9 contacts elastic rod 10 and makes elastic rod 10 bend deformation, then elastic rod 10 passes one of impact rods 9, and under the inertia effect of counterweight 11, impact one of impact rods 9 behind, and the vibration is produced by constant impact, and the vibration avoids oxide to adhere on the inside wall of cooling box 8, under the action of gravity, cooling liquid and oxide in cooling box 8 flow to sieve plate 17, and cooling liquid leaks to cooling pool 1 from the sieve hole on sieve plate 17, and the cooling liquid is rapidly cooled when flowing, and oxide is on the surface of sieve plate 17, and the impact of cooling liquid cooperates the elastic force of sieve spring 18, and makes sieve plate 17 small amplitude shake up and down, and oxide falls into waste collecting box along the surface of sieve plate 17 under the action of shaking and gravity, avoids oxide to produce interference to subsequent workpiece processing, then starting electric push rod 12 contraction, and electric push rod 12 drives L shape rack plate 13 and makes gear 14 and support rod 4 present counterclockwise rotation one hundred and eighty degrees, to make cooling box 8 reset.

[0027] When support rod 4 presents clockwise rotation, drive extrusion plate 5 to move to the direction close to cooling box 8 under the action of the surface filament of support rod 4, stretch air bag 7, the one-way valve in inlet pipe 16 opens, and the one-way valve in outlet pipe 15 closes, and the cooling liquid at the bottom of cooling pool 1 enters air bag 7 along inlet pipe 16, and the temperature of the cooling liquid at the bottom of cooling pool 1 is lowest, and the high-temperature cooling liquid from cooling box 8 rapidly cools down in the process of flowing down, then floats on the surface of cooling pool 1, when it falls to the bottom in the circulation of cooling pool 1, has cooled down sufficiently, when electric push rod 12 contracts, drive extrusion plate 5 to move to the direction away from cooling box 8 under the action of the surface filament of support rod 4, compress air bag 7, the one-way valve in inlet pipe 16 closes, and the one-way valve in outlet pipe 15 opens, and the cooling liquid of low temperature enters cooling box 8 along outlet pipe 15, when cooling box 8 is back to normal and still faces the ground, the cooling liquid washes in cooling box 8, further processes residual oxide, when cooling box 8 is back to normal and faces the ceiling, the cooling liquid converges in cooling box 8, until bending is completely back to normal, and cooling box 8 is filled with low-temperature clean cooling liquid, can carry out next quenching and annealing treatment, and the shrinkage rate of the workpiece treated is stable, and the treatment effect is good.

[0028] In the utility model, unless another definite provision and limitation, the term "installation", "connection", "connect", "fix" and so on term should do the broad sense understanding.

[0029] The above merely describes the preferred embodiments of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, should be covered within the protection scope of the present application.

Claims

1. A quenching and tempering device for stabilizing workpiece shrinkage, comprising a cooling pool (1) and support rods (2), characterized in that, Multiple support rods (2) are fixedly connected to the four corners of the upper end face of the cooling pool (1), and a U-shaped plate (3) is fixedly connected to the upper end face of the support rods (2). The herringbone plate (3) is provided with an adjustment mechanism, which includes a support rod (4), an extrusion plate (5), a square plate (6), and an airbag (7). The two support rods (4) are rotatably connected to the two ends of the inner sidewall of the herringbone plate (3). The outer surface of the support rod (4) is provided with a thread. The two extrusion plates (5) are threadedly connected to the outer surface of the support rod (4). The square plate (6) is fixedly connected to the two ends of the herringbone plate (3). The two airbags (7) are fixedly connected between the extrusion plate (5) and the square plate (6).

2. The quenching and tempering device for stabilizing workpiece shrinkage rate according to claim 1, characterized in that... A cooling box (8) is fixedly connected between the two support rods (4), and multiple collision rods (9) are installed in a ring array at both ends of the cooling box (8).

3. The quenching and tempering device for stabilizing workpiece shrinkage rate according to claim 2, characterized in that, The inner sidewall of the spiral plate (3) is fixedly connected to two ends of an elastic rod (10), and a counterweight (11) is fixedly connected to one end of the elastic rod (10) away from the spiral plate (3). The elastic rod (10) is slidably connected to the collision rod (9).

4. The quenching and tempering device for stabilizing workpiece shrinkage rate according to claim 1, characterized in that, An electric push rod (12) is fixedly connected to the inner side wall of the spiral plate (3). An L-shaped rack plate (13) is fixedly connected to the telescopic end of the electric push rod (12). A gear (14) is fixedly connected to the outer surface of one of the support rods (4) near the electric push rod (12). The L-shaped rack plate (13) meshes with the gear (14).

5. The quenching and tempering device for stabilizing workpiece shrinkage rate according to claim 2, characterized in that, An air outlet pipe (15) is fixedly connected between the airbag (7) and the cooling box (8), and an air inlet pipe (16) is fixedly connected between the airbag (7) and the cooling pool (1). Both the air outlet pipe (15) and the air inlet pipe (16) are equipped with one-way valves.

6. The quenching and tempering device for stabilizing workpiece shrinkage rate according to claim 1, characterized in that, A sieve plate (17) is slidably connected to the support rod (2), and a sieve spring (18) is fixedly connected between the sieve plate (17) and the cooling pool (1).

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