Thermal treatment furnace for relieving stress of earring of hydraulic oil cylinder

Abstract

The utility model relates to the technical field of heat treatment furnaces, in particular to a hydraulic oil cylinder earring stress relieving heat treatment furnace which comprises a furnace body with the front end face in an opening shape. A bearing part is arranged below the connecting seat; the limiting shaft penetrates through a lug hole of the hydraulic oil cylinder lug ring and the limiting hole; the hydraulic oil cylinder lug rings are hung on the multiple limiting shafts, under the limitation of the limiting plates, the hydraulic oil cylinder lug rings cannot be separated from the limiting shafts, the bearing part is detachably installed at the position of the connecting base, the output shaft of the motor rotates to drive the rotating shaft and the connecting base to rotate, the bearing part can be synchronously driven to rotate, and the bearing part rotates along with rotation of the bearing part. Under the action of a plurality of electric heating tubes, the plurality of hydraulic oil cylinder lug rings can be uniformly heated; by means of the design, the hydraulic oil cylinder lug rings can be fixed at the same time, the hydraulic oil cylinder lug rings can be evenly heated, and the heat treatment effect on the hydraulic oil cylinder lug rings is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat treatment furnace technical field, concretely is a kind of hydraulic cylinder ear ring stress relieving heat treatment furnace. BACKGROUND

[0002] As a key component in hydraulic system, the performance of hydraulic cylinder ear ring directly affects the stability and reliability of the entire system. During manufacturing and use, residual stress may be generated inside the hydraulic cylinder ear ring due to various factors such as material selection, processing technology, working environment, etc. These residual stresses not only reduce the strength and stiffness of the ear ring, but also may cause deformation, cracking and other failure phenomena of the ear ring during use. Therefore, it is necessary to eliminate the residual stress of the hydraulic cylinder ear ring; and the heat treatment furnace is one of the main equipment for eliminating the residual stress of the hydraulic cylinder ear ring.

[0003] The utility model discloses a kind of heat treatment furnaces with the utility model patent for grant announcement No.CN209162126U, the heat treatment furnace includes furnace body, the furnace body is equipped with the furnace cavity of one end opening, heating wire is equipped in furnace cavity, furnace cavity inner wall is lined with refractory brick, the furnace cavity is also equipped with support device, the support device includes support plate and the support column of being equipped in support plate bottom, the support plate is supported to the middle part of furnace cavity by support column, when using, article is placed on support plate, since middle part of furnace cavity is heated more evenly, thus can obtain better annealing effect. Above all, using the utility model, part can be heated evenly, and annealing effect is more excellent.

[0004] Although the heat treatment furnace is beneficial to heat parts, the device still has the following problems in actual use when heating parts: the device directly places parts on the top of support plate when heating parts, and the bottom of parts directly adheres to the support plate, which causes the upper and lower sides of parts to be unevenly heated during heating, thereby affecting the heat treatment effect of parts. In view of this, we propose a kind of hydraulic cylinder ear ring stress relieving heat treatment furnace. UTILITY MODEL CONTENTS

[0005] In order to solve the above-mentioned problems, the utility model provides a kind of hydraulic cylinder ear ring stress relieving heat treatment furnace.

[0006] In order to achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0007] A kind of hydraulic cylinder ear ring stress relieving heat treatment furnace, including the furnace body of the open top of front end face, the front side of furnace body is hinged with furnace door, the inner top of furnace body is rotatably installed with pivot, the bottom end of pivot is fixed with connecting seat;The inner wall of the opening of furnace body is fixed with a plurality of electric heating tubes on both sides;Motor for driving pivot rotation is installed on the top of furnace body;

[0008] The lower part of the connecting seat is provided with a bearing part, the bearing part comprises two symmetrical side plates, beams are fixed at the upper and lower ends between the two side plates, two lug plates are fixed at the top of the beams, the connecting seat is located between the two lug plates and is detachably connected with the lug plates;

[0009] The bottom of the beam is provided with a sliding groove, a threaded rod is rotatably installed in the sliding groove, a plurality of sliding blocks are threadedly connected to the threaded rod, limit plates are fixed to the bottom ends of the sliding blocks, and limit holes are formed in the limit plates; a plurality of connecting plates are fixed to the bottom of the beam, and the connecting plates are located on the side of the corresponding limit plates, limit shafts are fixed to the side walls of the connecting plates close to the limit holes; a hydraulic oil cylinder ear ring is arranged between the connecting plate and the limit plate, and the limit shafts pass through the ear holes of the hydraulic oil cylinder ear ring and the limit holes.

[0010] Further, the end of the threaded rod passes through the side plate, and an adjusting screw is coaxially keyed connected to the end of the threaded rod, and a plurality of anti-skid grooves are formed in the outer wall of the adjusting screw.

[0011] Further, the cross-sectional shape of the connecting seat is rectangular, and the gap size between the two lug plates is matched with the size of the connecting seat.

[0012] Further, the connecting plate and the limit shaft are an integral structure, and the connecting plate is tightly welded with the bottom of the beam.

[0013] Further, the sliding block and the limit plate are an integral structure, and the sliding block and the limit plate are both made of alloy steel material.

[0014] Further, the cross-sectional shape of the sliding block is rectangular, and the size of the sliding block is matched with the size of the sliding groove.

[0015] Further, the two ends of the connecting seat are provided with connecting holes, and the lug plate is threadedly connected with a fixing bolt, and the end of the fixing bolt is inserted into the connecting hole.

[0016] Compared with the prior art, the utility model has the advantages of:

[0017] The bearing part is arranged: the hydraulic oil cylinder ear ring is hung on a plurality of limit shafts, and under the limitation of the limit plate, the hydraulic oil cylinder ear ring cannot be separated from the limit shaft, and the bearing is detachably installed at the connecting seat, the output shaft of the motor drives the rotating shaft and the connecting seat to rotate, which can drive the bearing part to rotate, and the plurality of hydraulic oil cylinder ear rings can be driven to rotate under the action of the plurality of electric heating pipes, and the plurality of hydraulic oil cylinder ear rings can be uniformly heated; the design not only facilitates the fixation of the plurality of hydraulic oil cylinder ear rings, but also facilitates the uniform heating of the plurality of hydraulic oil cylinder ear rings, and ensures the heat treatment effect of the hydraulic oil cylinder ear ring. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic view of the utility model;

[0019] Figure 2 It is the structure schematic view of the cabinet body in the utility model;

[0020] Figure 3 It is the structure schematic view of the bearing part in the utility model;

[0021] Figure 4 It is the structure schematic view of the crossbeam in the utility model;

[0022] Figure 5 It is the structure schematic view of the limiting plate in the utility model;

[0023] In the drawing,

[0024] 1, furnace body;10, furnace door;11, motor;12, rotating shaft;13, connecting seat;130, connecting hole;14, electric heating tube;

[0025] 2, bearing part;20, side plate;21, crossbeam;210, sliding groove;22, lug plate;220, fixed bolt;23, connecting plate;230, limiting shaft;24, threaded rod;25, adjusting screw;26, sliding block;27, limiting plate;270, limiting hole;28, hydraulic oil cylinder lug ring. Specific implementation

[0026] The technical scheme 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, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0027] The embodiment provides a technical scheme:

[0028] Please refer to Figures 1-5As shown, a hydraulic cylinder ear ring stress relief heat treatment furnace, including the front end of the furnace body 1 is open, the front side of the furnace body 1 is hinged with the furnace door 10, the inner top of the furnace body 1 is rotatably installed with the rotating shaft 12, the bottom end of the rotating shaft 12 is fixed with the connecting seat 13; the opening of the furnace body 1 is fixed with a plurality of electric heating pipes 14 on both sides of the wall; the top of the furnace body 1 is installed with the motor 11 for driving the rotating shaft 12 to rotate; the lower side of the connecting seat 13 is provided with a bearing part 2, the bearing part 2 comprises two symmetrical side plates 20, the upper and lower ends between the two side plates 20 are fixed with cross beams 21, the top of the cross beam 21 is fixed with two ear plates 22, the connecting seat 13 is located between the two ear plates 22 and is detachably connected with the ear plates 22; the bottom of the cross beam 21 is provided with a sliding groove 210, the sliding groove 210 is rotatably installed with a threaded rod 24, a plurality of sliding blocks 26 are threadedly connected on the threaded rod 24, the bottom end of the sliding block 26 is fixed with a limiting plate 27, a limiting hole 270 is formed in the limiting plate 27; a plurality of connecting plates 23 are fixed on the bottom of the cross beam 21, and the connecting plate 23 is located on the side of the corresponding limiting plate 27, and the side wall of the connecting plate 23 close to the limiting hole 270 is fixed with a limiting shaft 230; a hydraulic cylinder ear ring 28 is arranged between the connecting plate 23 and the limiting plate 27, and the limiting shaft 230 passes through the ear hole of the hydraulic cylinder ear ring 28 and the limiting hole 270.

[0029] In this embodiment, the end of the threaded rod 24 passes through the side plate 20, the end of the threaded rod 24 is coaxially keyed connected with the adjusting screw 25, and a plurality of anti-skid grooves are formed in the outer wall of the adjusting screw 25. By adjusting the screw 25, the threaded rod 24 is conveniently rotated, and the anti-skid grooves increase the friction between the hand and the adjusting screw 25, improving the convenience of operation.

[0030] In this embodiment, the cross section of the connecting seat 13 is rectangular, and the gap size between the two ear plates 22 is matched with the size of the connecting seat 13. This design facilitates the installation of the connecting seat 13 between the two ear plates 22, and ensures the connection stability between the connecting seat 13 and the ear plate 22.

[0031] In this embodiment, the connecting plate 23 and the limiting shaft 230 are integrally formed, and the connecting plate 23 is tightly welded with the bottom of the cross beam 21. The integrally formed connecting plate 23 and limiting shaft 230 have better connection strength, which ensures the connection stability and firmness of the connecting plate 23 and the limiting shaft 230, and ensures the fixing effect of the limiting shaft 230 on the hydraulic cylinder ear ring 28, and the tightly welded mode ensures the connection tightness between the connecting plate 23 and the cross beam 21.

[0032] In the embodiment, the slider 26 and the limiting plate 27 are integrally formed, and the slider 26 and the limiting plate 27 are both made of alloy steel. The integrally formed slider 26 and limiting plate 27 have better connection strength, ensuring the connection stability of the slider 26 and the limiting plate 27. The alloy steel has the advantages of high structural strength and high temperature resistance, ensuring the service life of the slider 26 and the limiting plate 27.

[0033] In the embodiment, the cross-sectional shape of the slider 26 is rectangular, and the size of the slider 26 is matched with the size of the sliding groove 210. When the threaded rod 24 rotates, the slider 26 will not shake in the sliding groove 210, ensuring the stability and smoothness of the horizontal movement of the slider 26.

[0034] In the embodiment, the connecting seat 13 is provided with connecting holes 130 at both ends, and the ear plate 22 is threadedly connected with a fixing bolt 220, and the end of the fixing bolt 220 is inserted into the connecting hole 130. This design ensures the connection stability between the connecting seat 13 and the cross beam 21, and facilitates the disassembly and assembly of the bearing part 2.

[0035] It should be noted that, in the embodiment, the cross beam 21 is fixedly connected with the side plates 20 on both sides through bolts, and the bolt fixing mode ensures the stability between the cross beam 21 and the side plates 20, and ensures the overall stability of the bearing part 2.

[0036] In specific use, the user first passes the ear hole of the hydraulic cylinder ear ring 28 through the limiting shaft 230, repeats the above steps, and sequentially installs a plurality of hydraulic cylinder ear rings 28, then the user rotates the adjusting screw 25, the adjusting screw 25 drives the threaded rod 24 to rotate, because the threaded rod 24 is threadedly connected with the slider 26, the slider 26 moves horizontally and drives the limiting plate 27 to move to one side, when the limiting shaft 230 passes through the limiting hole 270, the user stops rotating the adjusting screw 25, at this time, the plurality of hydraulic cylinder ear rings 28 are fixed, then the user places the bearing part 2 into the furnace body 1, and makes the connecting seat 13 located between the two ear plates 22, at this time, the user tightens the fixing bolt 220, the end of the fixing bolt 220 is inserted into the connecting hole 130, the connecting seat 13 is fixed with the ear plate 22, the bearing part 2 is installed, finally, the user closes the furnace door 10 and connects the power supply of the electric heating tube 14 and the motor 11, the electric heating tube 14 and the motor 11 start to work, the output shaft of the motor 11 rotates to drive the rotating shaft 12 and the connecting seat 13 to rotate, the connecting seat 13 drives the bearing part 2 to rotate, the plurality of hydraulic cylinder ear rings 28 rotate synchronously, and the electric heating tube 14 heats the plurality of hydraulic cylinder ear rings 28.

[0037] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A hydraulic cylinder ear ring stress relief heat treatment furnace, comprising a furnace body (1) with an open front end face, a furnace door (10) is hinged to the front side of the furnace body (1), characterized in that: The inner top of the furnace body (1) is rotatably provided with a rotating shaft (12), and the bottom end of the rotating shaft (12) is fixedly provided with a connecting seat (13); the opening of the furnace body (1) is fixedly provided with a plurality of electric heating pipes (14) on the two side walls; and the top of the furnace body (1) is provided with a motor (11) for driving the rotating shaft (12) to rotate; A bearing part (2) is arranged below the connecting seat (13), the bearing part (2) comprises two symmetrical side plates (20), and the upper and lower ends between the two side plates (20) are fixedly provided with cross beams (21); the top cross beam (21) is fixedly provided with two ear plates (22), and the connecting seat (13) is located between the two ear plates (22) and is detachably connected with the ear plates (22); The bottom of the cross beam (21) is provided with a sliding groove (210), the sliding groove (210) is rotatably provided with a threaded rod (24), the threaded rod (24) is threadedly connected with a plurality of sliding blocks (26), the bottom end of the sliding block (26) is fixedly provided with a limiting plate (27), and the limiting plate (27) is provided with a limiting hole (270); the bottom of the cross beam (21) is further fixedly provided with a plurality of connecting plates (23), and the connecting plate (23) is located on the side of the corresponding limiting plate (27), and the side wall of the connecting plate (23) close to the limiting hole (270) is fixedly provided with a limiting shaft (230); the hydraulic oil cylinder ear ring (28) is arranged between the connecting plate (23) and the limiting plate (27), and the limiting shaft (230) passes through the ear hole of the hydraulic oil cylinder ear ring (28) and the limiting hole (270).

2. The hydraulic cylinder ear ring stress relief heat treatment furnace of claim 1, wherein: The end of the threaded rod (24) passes through the side plate (20), and the end of the threaded rod (24) is coaxially and key-connected with an adjusting screw (25), and the outer wall of the adjusting screw (25) is provided with a plurality of anti-skid grooves.

3. The hydraulic cylinder ear ring stress relief heat treating furnace of claim 1, wherein: The cross section of the connecting seat (13) is rectangular, and the gap size between the two ear plates (22) is matched with the size of the connecting seat (13).

4. The hydraulic cylinder ear ring stress relief heat treating furnace of claim 1, wherein: The connecting plate (23) and the limiting shaft (230) are an integral structure, and the connecting plate (23) is tightly welded with the bottom of the cross beam (21).

5. The hydraulic cylinder ear ring stress relief heat treating furnace of claim 1, wherein: The sliding block (26) and the limiting plate (27) are an integral structure, and the sliding block (26) and the limiting plate (27) are both made of alloy steel.

6. The hydraulic cylinder ear ring stress relief heat treating furnace of claim 1, wherein: The cross section of the sliding block (26) is rectangular, and the size of the sliding block (26) is matched with the size of the sliding groove (210).

7. The hydraulic cylinder ear ring stress relief heat treating furnace of claim 1, wherein: The two ends of the connecting seat (13) are provided with connecting holes (130), and the ear plate (22) is threadedly connected with a fixing bolt (220), and the end of the fixing bolt (220) is inserted into the connecting hole (130).

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