Vacuum tempering furnace for heat treatment

Abstract

The utility model belongs to the technical field of heat treatment, and particularly relates to a vacuum tempering furnace for heat treatment, which comprises a furnace body, the front surface of the furnace body is hinged with a sealing furnace door through a hinge, the inner wall of the furnace body is fixedly connected with an electric heating plate, and the back surface of the furnace body is provided with a round hole. And the inner wall of the round hole is fixedly connected with a first bearing. According to the vacuum tempering furnace for heat treatment, through cooperation of a first bearing, an adjusting support, a first strip-shaped ring, a connecting block, an electric push rod, a second strip-shaped ring, a shelving plate, a U-shaped plate and a guide column, the electric push rod can control the shelving plate to move upwards or downwards, and then the position of the shelving plate in the furnace body can be automatically adjusted; and through cooperation of a connecting ring, a second bearing, a fourth cylinder, a first supporting column, a second supporting column and a scraping strip, a user can clean the front side and the rear side of the hollow tempered glass at the same time by rotating the first supporting column.

Description

TECHNICAL FIELD

[0001] The utility model belongs to heat treatment technical field, concretely relates to a vacuum tempering furnace for heat treatment. BACKGROUND

[0002] Heat treatment processing refers to the process method that the metal workpiece is heated, kept warm and cooled in certain medium, and the performance is controlled by changing the organization structure of the metal material surface or inside.

[0003] At present, the vacuum tempering furnace for heat treatment on the market, by setting the adjustable shelf in the furnace body, the space in the furnace body can be reasonably utilized, for example, the box type heat treatment vacuum tempering furnace is disclosed in Chinese patent publication No. UTILITY MODEL CONTENTS

[0004] The utility model discloses a vacuum tempering furnace for heat treatment, solves the vacuum tempering furnace for heat treatment, because the shelf is located in the furnace body, and the shelf position needs the manual adjustment of user, and then leads to the temperature of the shelf to reduce to the size of user's waiting after the adjustment of its position, thereby leading to the position of the shelf when adjusting is more troublesome, and when the glass on the furnace door is cleaned, because the furnace door needs to be opened first, and then the inside and outside two sides are wiped respectively, thereby leading to the glass on the furnace door to be cleaned more troublesome.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] The utility model provides a vacuum tempering furnace for heat treatment, including the furnace body, the front of furnace body is hinged with sealed furnace door through the hinge, the inner wall of furnace body is fixedly connected with electric heating plate, the back of furnace body is opened the round hole, the inner wall of round hole is fixedly connected with first bearing, the inner wall of first bearing is fixedly connected with adjustment support, the surface of adjustment support is inlayed with first strip ring, the surface of first strip ring is fixedly connected with connecting block, the bottom of connecting block and the back of furnace body all are fixedly connected with electric push rod, the surface of adjustment support is inlayed with second strip ring, the upper surface of second strip ring is fixedly connected with the rest plate, the left and right sides of rest plate all are fixedly connected with U shaped plate, the inner wall of U shaped plate is inlayed with guide column, the upper and lower ends of guide column all are fixedly connected with the inner wall of furnace body, the upper surface of furnace body is fixedly connected with three way tube, the left end of three way tube is fixedly connected with electromagnetic valve, the right end of three way tube is fixedly connected with the air release valve.

[0007] The utility model further provides that the adjustment support comprises a first cylinder, a first connecting plate, a second cylinder, a second connecting plate and a third cylinder, the surface of the third cylinder is fixedly connected with the inner ring of the first bearing, the inner wall of the first connecting plate and the inner wall of the second connecting plate are fixedly connected with the surface of the third cylinder, the inner wall of the first connecting plate is fixedly connected with the surface of the first cylinder, the surface of the first cylinder is inlayed with the inner wall of the first strip ring, the inner wall of the second connecting plate is fixedly connected with the surface of the second cylinder, and the surface of the second cylinder is inlayed with the inner wall of the second strip ring.

[0008] The utility model further provides that the inside of the sealed furnace door is provided with an observation hole, the inner wall of the observation hole is bonded with a hollow tempered glass, the inner wall of the hollow tempered glass is fixedly connected with a connecting ring, the inner wall of the connecting ring is fixedly connected with a second bearing, the inner wall of the second bearing is fixedly connected with a fourth cylinder, the front surface of the fourth cylinder is fixedly connected with a first supporting column, the back surface of the fourth cylinder is fixedly connected with a second supporting column, the back surface of the first supporting column and the front surface of the second supporting column are both bonded with a scraping strip, and the front and back sides of the hollow tempered glass are inlayed with the surface of the scraping strip.

[0009] The utility model further provides that the front and back sides of the hollow tempered glass are both bonded with a reinforcing ring, and the surface of the reinforcing ring is fixedly connected with the inner wall of the observation hole.

[0010] The utility model further provides that the surface of the third cylinder is fixedly connected with a first blocking ring, and the front surface of the first blocking ring, the back surface of the furnace body and the surface of the third cylinder are all inlayed with a first sealing ring.

[0011] The utility model further sets up, the surface fixed connection of fourth cylinder has second baffle ring, the back of second baffle ring, the front of connecting ring and the surface of fourth cylinder all are pasted with second sealing ring.

[0012] The utility model discloses the technical effect achieved for:

[0013] The vacuum tempering furnace for heat treatment of the utility model through the cooperation of the first cylindrical ring and the first cylinder, when the electric push rod moves up and down on the control first cylindrical ring, the adjusting support can rotate around the third cylinder, at the same time, through the cooperation of the second cylinder, the second cylindrical ring, the U-shaped plate and the guide column, when the adjusting support rotates, the resting plate will move up or down along with the rotation of the adjusting support, and then through the cooperation of the first bearing, the adjusting support, the first cylindrical ring, the connecting block, the electric push rod, the second cylindrical ring, the resting plate, the U-shaped plate and the guide column, the electric push rod can control the resting plate to move up or down, and then the position of the resting plate in the furnace body can be automatically adjusted, so that the vacuum tempering furnace is more convenient to use.

[0014] The vacuum tempering furnace for heat treatment of the utility model through the cooperation of the connecting ring, the second bearing, the fourth cylinder, the first supporting column, the second supporting column and the scraping strip, when the user rotates the first supporting column, the front and back sides of the hollow toughened glass can be cleaned at the same time, and then the user can clean the hollow toughened glass in the observation hole. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the three-dimensional schematic view of the structure of the utility model;

[0016] Figure 2 It is Figure 1 the enlarged view of A in the figure;

[0017] Figure 3 It is the back view of the structure of the utility model;

[0018] Figure 4 It is Figure 3 the sectional view of B-B in the figure;

[0019] Figure 5 It is Figure 4 the enlarged view of C in the figure;

[0020] Figure 6 It is Figure 4 the sectional view of D-D in the figure;

[0021] Figure 7 It is the front view of the furnace body in the utility model;

[0022] Figure 8 It is the front view of the sealed furnace door in the utility model;

[0023] Figure 9 is the left view of the adjusting support in the utility model;

[0024] Figure 10 is the front view of the adjusting support in the utility model;

[0025] Figure 11 is the bottom view of the resting plate in the utility model.

[0026] In the drawings, the components represented by each reference numeral are listed as follows:

[0027] 1, furnace body; 2, sealed furnace door; 3, electric heating plate; 4, round hole; 5, first bearing; 6, adjusting support; 61, first cylinder; 62, first connecting plate; 63, second cylinder; 64, second connecting plate; 65, third cylinder; 7, first strip ring; 8, connecting block; 9, electric push rod; 10, second strip ring; 11, resting plate; 12, U-shaped plate; 13, guide column; 14, tee bend; 15, electromagnetic valve; 16, air release valve; 17, observation hole; 18, hollow toughened glass; 19, connecting ring; 20, second bearing; 21, fourth cylinder; 22, first support column; 23, second support column; 24, scraping strip; 25, reinforcing ring; 26, first blocking ring; 27, first sealing ring; 28, second blocking ring; 29, second sealing ring. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent, obvious and easy to understand, the specific implementation of the utility model is described in detail below in conjunction with the drawings of the specification.

[0029] In the following description, a lot of specific details are set forth in order to give a full and complete understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0030] As Figures 1 to 11As shown, a vacuum annealing furnace for heat treatment includes a furnace body 1, the front of the furnace body 1 is hinged with a sealed furnace door 2 through a hinge, the inner wall of the furnace body 1 is fixedly connected with an electric heating plate 3, the back of the furnace body 1 is provided with a circular hole 4, the inner wall of the circular hole 4 is fixedly connected with a first bearing 5, the inner wall of the first bearing 5 is fixedly connected with an adjusting bracket 6, the surface of the adjusting bracket 6 is provided with a first strip ring 7, the surface of the first strip ring 7 is fixedly connected with a connecting block 8, the bottom of the connecting block 8 and the back of the furnace body 1 are both fixedly connected with an electric push rod 9, the surface of the adjusting bracket 6 is provided with a second strip ring 10, the upper surface of the second strip ring 10 is fixedly connected with a resting plate 11, the left and right sides of the resting plate 11 are both fixedly connected with a U-shaped plate 12, the inner wall of the U-shaped plate 12 is provided with a guide column 13, the upper and lower ends of the guide column 13 are both fixedly connected with the inner wall of the furnace body 1, the upper surface of the furnace body 1 is fixedly communicated with a three-way pipe 14, the left end of the three-way pipe 14 is fixedly communicated with a solenoid valve 15, the right end of the three-way pipe 14 is fixedly communicated with a gas release valve 16.

[0031] Among them, the adjusting bracket 6 includes a first cylinder 61, a first connecting plate 62, a second cylinder 63, a second connecting plate 64 and a third cylinder 65, the surface of the third cylinder 65 is fixedly connected with the inner ring of the first bearing 5, the inner wall of the first connecting plate 62 and the inner wall of the second connecting plate 64 are both fixedly connected with the surface of the third cylinder 65, the inner wall of the first connecting plate 62 is fixedly connected with the surface of the first cylinder 61, the surface of the first cylinder 61 is matched with the inner wall of the first strip ring 7, the inner wall of the second connecting plate 64 is fixedly connected with the surface of the second cylinder 63, the surface of the second cylinder 63 is matched with the inner wall of the second strip ring 10, the surface of the third cylinder 65 is fixedly connected with a first blocking ring 26, the front of the first blocking ring 26, the back of the furnace body 1 and the surface of the third cylinder 65 are all matched with a first sealing ring 27.

[0032] It should be noted that the workpiece in the furnace body 1 can be heated by the electric heating plate 3, when the solenoid valve 15 is connected with the air inlet end of the vacuum pump through the pipeline, the furnace body 1 can be vacuumized by opening the solenoid valve 15 and the vacuum pump, and the air in the furnace body 1 will not enter the furnace body 1 through the first bearing 5 by the first sealing ring 27, when the heat treatment of the workpiece in the furnace body 1 is completed, the gas pressure inside and outside the furnace body 1 can be made consistent by opening the gas release valve 16.

[0033] The adjusting support 6 can rotate around the third cylinder 65 through the first bearing 5, and the left and right two adjusting supports 6 are in an inverted V shape. The rest plate 11 can only move up and down through the cooperation of the U-shaped plate 12 and the guide column 13. When the electric push rod 9 controls the first strip ring 7 to move downward, the rest plate 11 can move upward through the cooperation of the first strip ring 7, the adjusting support 6, the second strip ring 10, the U-shaped plate 12 and the guide column 13. When the electric push rod 9 controls the first strip ring 7 to move upward, the rest plate 11 can move downward through the cooperation of the first strip ring 7, the adjusting support 6, the second strip ring 10, the U-shaped plate 12 and the guide column 13.

[0034] As shown in Figures 1 to 8 The inner part of the sealing furnace door 2 is provided with an observation hole 17. The inner wall of the observation hole 17 is bonded with a hollow tempered glass 18. The inner wall of the hollow tempered glass 18 is fixedly connected with a connecting ring 19. The inner wall of the connecting ring 19 is fixedly connected with a second bearing 20. The inner wall of the second bearing 20 is fixedly connected with a fourth cylinder 21. The front surface of the fourth cylinder 21 is fixedly connected with a first support column 22. The back surface of the fourth cylinder 21 is fixedly connected with a second support column 23. The back surface of the first support column 22 and the front surface of the second support column 23 are both bonded with a scraping strip 24. The front and back sides of the hollow tempered glass 18 are both in contact with the surface of the scraping strip 24.

[0035] The front and back sides of the hollow tempered glass 18 are both bonded with a reinforcing ring 25. The surface of the reinforcing ring 25 is fixedly connected with the inner wall of the observation hole 17. The surface of the fourth cylinder 21 is fixedly connected with a second blocking ring 28. The back surface of the second blocking ring 28, the front surface of the connecting ring 19 and the surface of the fourth cylinder 21 are all provided with a second sealing ring 29.

[0036] It should be noted that the user can observe the heat treatment state of the workpiece in the furnace body 1 through the hollow tempered glass 18. Through the cooperation of the connecting ring 19, the second bearing 20, the fourth cylinder 21, the first support column 22, the second support column 23 and the scraping strip 24, the user can clean the front and back sides of the hollow tempered glass 18 by rotating the first support column 22. The reinforcing ring 25 makes the hollow tempered glass 18 more fixed. The second sealing ring 29 makes the air outside the furnace body 1 unable to enter the furnace body 1 through the second bearing 20 when the vacuum pump is used to vacuum the furnace body 1.

[0037] The working principle of the utility model is: first, according to the use demand, the position of the shelf plate 11 in the furnace body 1 is adjusted, when adjusting, the first bar ring 7 is controlled to move upward or downward by the electric push rod 9, when the first bar ring 7 moves downward, the adjusting support 6 is rotated by the cooperation of the first bar ring 7 and the first cylinder 61, and the shelf plate 11 is moved upward by the cooperation of the second cylinder 63, the second bar ring 10, the U-shaped plate 12 and the guide column 13, when the first bar ring 7 moves upward, the adjusting support 6 is rotated by the cooperation of the first bar ring 7 and the first cylinder 61, and the shelf plate 11 is moved downward by the cooperation of the second cylinder 63, the second bar ring 10, the U-shaped plate 12 and the guide column 13.

[0038] When the position of the shelf plate 11 is adjusted, the workpiece is placed on the shelf plate 11, and the sealing furnace door 2 is closed, then the electromagnetic valve 15 is connected with the air inlet end of the vacuum pump through the pipeline, and the air in the furnace body 1 is extracted by opening the electromagnetic valve 15 and the vacuum pump and closing the air release valve 16, when the air pressure in the furnace body 1 reaches the specified value, the electromagnetic valve 15 and the vacuum pump are closed, and the workpiece on the shelf plate 11 is heated by opening the electric heating plate 3.

[0039] When the workpiece heat treatment is completed, the air pressure difference between the inside and outside of the furnace body 1 is reduced by opening the air release valve 16, when the air pressure inside and outside the furnace body 1 is consistent, the sealing furnace door 2 is opened, and the heat treated workpiece is taken away from the shelf plate 11.

[0040] The above only is the preferred implementation of the utility model, it should be pointed out, for ordinary skilled person in the art, without departing from the principle of the utility model, on the premise of still can make a number of improvements and refinements, these improvements and refinements also should be regarded as the protection scope of the utility model. The structure, device and operation method not specifically described and explained in the utility model, if no special description and limitation, are implemented according to the conventional means in the art.

Claims

1. A vacuum tempering furnace for heat treatment, characterized by: The utility model provides a sealed stove door (2) is hinged to the front of furnace body (1) through the hinge, the inner wall of furnace body (1) is fixedly connected with electric heating plate (3), the back of furnace body (1) is provided with round hole (4), the inner wall of round hole (4) is fixedly connected with first bearing (5), the inner wall of first bearing (5) is fixedly connected with adjusting support (6), the surface of adjusting support (6) is provided with first strip ring (7) in conjunction, the surface of first strip ring (7) is fixedly connected with connecting block (8), the bottom of connecting block (8) and the back of furnace body (1) are all fixedly connected with electric push rod (9), the surface of adjusting support (6) is provided with second strip ring (10) in conjunction, the upper surface of second strip ring (10) is fixedly connected with rest plate (11), the left and right sides of rest plate (11) are all fixedly connected with U-shaped plate (12), the inner wall of U-shaped plate (12) is provided with guide column (13) in conjunction, the upper and lower ends of guide column (13) are all fixedly connected with the inner wall of furnace body (1), the upper surface of furnace body (1) is fixedly connected with three-way tube (14), the left end of three-way tube (14) is fixedly connected with electromagnetic valve (15), the right end of three-way tube (14) is fixedly connected with air release valve (16).

2. The vacuum tempering furnace for heat treatment according to claim 1, characterized by: The adjusting support (6) includes a first cylinder (61), a first connecting plate (62), a second cylinder (63), a second connecting plate (64), and a third cylinder (65), the surface of the third cylinder (65) is fixedly connected with the inner ring of the first bearing (5), the inner walls of the first connecting plate (62) and the second connecting plate (64) are fixedly connected with the surface of the third cylinder (65), the inner wall of the first connecting plate (62) is fixedly connected with the surface of the first cylinder (61), the surface of the first cylinder (61) is in conjunction with the inner wall of the first strip ring (7), the inner wall of the second connecting plate (64) is fixedly connected with the surface of the second cylinder (63), and the surface of the second cylinder (63) is in conjunction with the inner wall of the second strip ring (10).

3. The vacuum tempering furnace for heat treatment according to claim 1, characterized in that: The inner part of the sealed stove door (2) is provided with an observation hole (17), the inner wall of the observation hole (17) is bonded with a hollow tempered glass (18), the inner wall of the hollow tempered glass (18) is fixedly connected with a connecting ring (19), the inner wall of the connecting ring (19) is fixedly connected with a second bearing (20), the inner wall of the second bearing (20) is fixedly connected with a fourth cylinder (21), the front surface of the fourth cylinder (21) is fixedly connected with a first support column (22), the back surface of the fourth cylinder (21) is fixedly connected with a second support column (23), the back surface of the first support column (22) and the front surface of the second support column (23) are both bonded with a scraping strip (24), and the front and back sides of the hollow tempered glass (18) are in conjunction with the surface of the scraping strip (24).

4. The vacuum tempering furnace for heat treatment according to claim 3, characterized in that: The front and back sides of the hollow tempered glass (18) are both bonded with a reinforcing ring (25), and the surface of the reinforcing ring (25) is fixedly connected with the inner wall of the observation hole (17).

5. The vacuum tempering furnace for heat treatment according to claim 2, characterized in that: The surface of the third cylinder (65) is fixedly connected with a first blocking ring (26), and the front surface of the first blocking ring (26), the back surface of the furnace body (1) and the surface of the third cylinder (65) are all provided with a first sealing ring (27) in close contact.

6. The vacuum tempering furnace for heat treatment according to claim 3, characterized in that: The surface of the fourth cylinder (21) is fixedly connected with a second blocking ring (28), and the back surface of the second blocking ring (28), the front surface of the connecting ring (19) and the surface of the fourth cylinder (21) are all provided with a second sealing ring (29) in close contact.

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