CN210215516U

CN210215516U - Vacuum nitriding furnace

Info

Publication number: CN210215516U
Application number: CN201920816069.XU
Authority: CN
Inventors: Chengjun Zhao; 赵成军
Original assignee: Chuzhou Huahai Zhongyi Industrial Furnace Co Ltd
Current assignee: Chuzhou Huahai Zhongyi Industrial Furnace Co Ltd
Priority date: 2019-06-01
Filing date: 2019-06-01
Publication date: 2020-03-31
Anticipated expiration: 2029-06-01

Abstract

The utility model discloses a vacuum nitriding furnace, which comprises a base, wherein the bottom four corners of the base are all fixedly connected with supporting legs, the bottom four corners of the inner cavity of the base are in switching connection with an inner thread sleeve, the inner thread sleeve is fixedly connected with a first driven helical gear, the left side and the right side of the bottom of the inner cavity of the base and the front side of the bottom of the inner cavity are both provided with transmission rods, the middle of the outer wall of each transmission rod is in switching connection with a supporting block, the front side of the base is provided with a forward and reverse rotating motor, the rear power output end of the forward and reverse rotating motor is connected with a rotating shaft, one end of the rotating shaft extending into the inner cavity of the base is fixedly connected with a driving helical gear, the top of the base is provided with a hollow guide prism, the inner cavity of the hollow guide prism is movably connected with a prism block, the supporting legs can play an effective supporting role, the condition of manual operation is reduced, and the working time and the physical strength of personnel are saved.

Description

Vacuum nitriding furnace

Technical Field

The utility model relates to a nitriding furnace equipment technical field, concretely relates to vacuum nitriding furnace.

Background

An advanced nitriding apparatus of vacuum nitriding furnace is mainly used for nitriding heat treatment of deep hole or blind hole which can not be completed by ordinary nitriding, and has the advantages of low treatment temperature, short time, small deformation of workpiece, no limitation of steel type, capability of performing soft nitriding treatment on carbon steel, low alloy steel, tool and die steel, stainless steel, cast iron and iron-based powder metallurgy materials, capability of obviously improving fatigue strength, wear resistance and corrosion resistance of workpiece and the like.

The technical personnel of relevant technical field improves this, if chinese patent application number is 201820436293.1, the well formula vacuum nitriding furnace of "a be convenient for gas outgoing that provides, including universal wheel and push rod, balanced foot is installed on the right side of universal wheel, the top of balanced foot is provided with the pivot, the left side of pivot is provided with the base, the right side of vacuum pump is connected with the pipeline, settle the right side of stop valve has the buffer tank, the right side top of condenser is provided with the gas vent, the connection cardboard is installed in the outside of top cap, and the below of connecting the cardboard is settled there is the flange, the left side top of flange is fixed with the screw, the hydraulic stem is installed to the below of push rod, the inboard of base is settled there is the rubber pad, the below of vacuum pump is connected with the fixing base, and the fixing base is located between base and the. The utility model discloses a be convenient for nitriding furnace removes, and is steady during the placement, can take the air of inside out, and is convenient for clear up and maintain inside.

The rotation that uses the universal wheel in above-mentioned gas outgoing's well formula vacuum nitriding furnace drives the base and removes, use balanced foot to provide balanced and supporting role to the base, and it is not very convenient when using to switch universal wheel and balanced foot, even when using the universal wheel to remove, rotate balanced foot to horizontal position through the pivot, when the universal wheel does not use, rotate balanced foot to vertical position through the pivot, this all needs artificial manual to operate balanced foot, it is time-consuming and energy-consuming, the bottom of balanced foot is located same water flat line with the bottom of universal wheel simultaneously, when the in-service use, ground can not be complete level and smooth, balanced foot can appear rotating vertical position not, or when rotating vertical position, can not play the supporting role, be failure state, therefore, we propose a vacuum nitriding furnace.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned problem that exists among the prior art, provide a vacuum nitriding furnace, be convenient for switch the use in a flexible way to supporting leg and universal wheel, make the supporting leg can play effective supporting role, reduce the condition of artificial manual operation, save operating time and personnel physical power.

In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:

a vacuum nitriding furnace comprises a base, wherein a furnace body is arranged in the middle of the top of the base, a furnace cover is connected to the top of the furnace body through a flange, an exhaust port is formed in the top of the furnace cover, power cylinders are symmetrically arranged on the left side and the right side of the top of the base, supporting plates are fixedly connected to telescopic ends of the tops of two groups of power cylinders, one sides, close to each other, of the two groups of supporting plates are fixedly connected with the furnace cover, a vacuum pump is fixedly mounted at the top of the supporting plate on the left side, an input end of the vacuum pump is communicated with an exhaust pipe, the vacuum pump is communicated with the exhaust port through the exhaust pipe, an air shutoff valve is arranged;

four corners of the bottom of an inner cavity of the base are rotatably connected with an inner thread sleeve through bearings, four groups of inner thread sleeves are fixedly connected with a first driven helical gear, transmission rods are arranged on the left side and the right side of the bottom of the inner cavity of the base and the front side of the bottom of the inner cavity, a supporting block is rotatably connected in the middle of the outer wall of each transmission rod through a bearing and is fixedly connected with the bottom of the inner cavity of the base, the front side and the rear side of the left group and the rear side of the front group of transmission rods and the left side and the right side of the front group of transmission rods are respectively and symmetrically fixedly connected with a second driven helical gear, the second driven helical gear is meshed with the first driven helical gear, a frame plate is fixedly connected with the front side wall of the base, a forward and reverse rotating motor is arranged on the upper surface of the frame plate, a rear power output end of the forward and reverse, the driving bevel gear is meshed with a first driven bevel gear on the internal thread sleeve on the right side of the front end;

the utility model discloses a base, including base, inner thread cover, the top of base, the top front end left and right sides and the top rear end left and right sides of base all are provided with hollow guide prism, and the inner chamber of base is stretched into to the bottom of hollow guide prism, the inner chamber swing joint of hollow guide prism has the prism piece, the inner chamber spiro union of internal thread cover has the screw thread post, the top and the prism piece looks rigid coupling of screw thread post, the bottom of screw thread post is rotated and is connected with the universal wheel, and the universal wheel is located.

Preferably, when the vacuum nitriding furnace is used, the rotation direction of the threads on the threaded column on the right side of the front end is the same as the rotation direction of the threads on the threaded column on the left side of the rear end, the rotation direction of the threads on the threaded column on the left side of the front end is the same as the rotation direction of the threads on the threaded column on the right side of the rear end, and the rotation direction of the threads on the threaded column on the left side of the front end is opposite to the rotation direction of the threads on the threaded column on the right side of the front end, so that the four groups of threaded columns can move up or down simultaneously in the four.

Preferably, the vacuum nitriding furnace is used for, be provided with the elasticity rubber piece in the middle of the inner chamber bottom of base, and the top of elasticity rubber piece is laminated mutually with the inner chamber top of base, improves the top supporting role of base.

Preferably, the anti-slip device is used in the vacuum nitriding furnace, and the bottom of the supporting leg is fixedly connected with an anti-slip pad, so that the anti-slip device can conveniently play an anti-slip role when the supporting leg is in contact with the ground.

Preferably, the universal wheel is used in the vacuum nitriding furnace, and the push-pull handle is fixedly connected to the right side of the top of the base, so that the universal wheel can conveniently push and pull the base when rolling on the ground.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model has the advantages of reasonable design, positive and negative rotation through positive and negative motor that changes drives the initiative helical gear and rotates, meshing transmission cooperation through initiative helical gear and first driven helical gear, and meshing transmission cooperation through second driven helical gear and first driven helical gear, through transfer line normal running fit on the supporting shoe, through the prism piece regulation of reciprocating in hollow direction prism, be convenient for reciprocate in the internal thread bush to the screw thread post and adjust, thereby be convenient for to the nimble switching use of supporting leg and universal wheel, make the supporting leg can play effective supporting role, reduce the condition of artificial manual operation, save operating time and personnel physical power, it is convenient to use.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the structure of the utility model in use;

FIG. 2 is a schematic view of the bottom-cut-open structure of the base of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-base, 2-furnace body, 3-furnace cover, 4-exhaust port, 5-power cylinder, 6-support plate, 7-vacuum pump, 8-exhaust pipe, 9-air shutoff valve, 10-support leg, 11-internal thread sleeve, 12-first driven bevel gear, 13-transmission rod, 14-support block, 15-second driven bevel gear, 16-frame plate, 17-positive and negative rotation motor, 18-rotating shaft, 19-driving bevel gear, 20-hollow guiding prism, 21-prism block, 22-threaded column and 23-universal wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, a vacuum nitriding furnace comprises a base 1, a furnace body 2 is arranged in the middle of the top of the base 1, a furnace cover 3 is flanged on the top of the furnace body 2, an exhaust port 4 is arranged on the top of the furnace cover 3, power cylinders 5 are symmetrically arranged on the left and right sides of the top of the base 1, support plates 6 are fixedly connected with the top telescopic ends of the two groups of power cylinders 5, one side of the two groups of support plates 6 close to each other is fixedly connected with the furnace cover 3, a vacuum pump 7 is fixedly arranged on the top of the left support plate 6, the input end of the vacuum pump 7 is communicated with an exhaust pipe 8, the vacuum pump 7 is communicated with the exhaust port 4 through the exhaust pipe 8, an air shutoff valve 9 is arranged on the exhaust pipe 8, support legs 10 are fixedly connected with the four corners of the bottom of the base 1, non-slip support legs are fixedly connected with the bottom of the vacuum pump 10, the non, the four groups of internal thread sleeves 11 are fixedly connected with a first driven helical gear 12, an elastic rubber block is arranged in the middle of the bottom of an inner cavity of the base 1, the top of the elastic rubber block is attached to the top of the inner cavity of the base 1, the top supporting effect of the base 1 is improved, transmission rods 13 are arranged on the left side and the right side of the bottom of the inner cavity of the base 1 and on the front side of the bottom of the inner cavity, a supporting block 14 is rotatably connected in the middle of the outer wall of each transmission rod 13 through a bearing, the supporting block 14 is fixedly connected with the bottom of the inner cavity of the base 1, second driven helical gears 15 are respectively and symmetrically fixedly connected on the front side and the rear side of the left and right groups of transmission rods 13 and on the left side of the front side of the transmission rods 13, the second driven helical gears 15 are meshed with the first driven helical gears 12, a frame plate 16 is fixedly, the pivot 18 stretches into the inner chamber of base 1, and rotate between pivot 18 and the base 1 and be connected, pivot 18 stretches into one of base 1 inner chamber and serves the rigid coupling to have initiative helical gear 19, and initiative helical gear 19 meshes with the first driven helical gear 12 on the threaded sleeve 11 of front end right side mutually, the top front end left and right sides and the top rear end left and right sides of base 1 all are provided with hollow guide prism 20, and the bottom of hollow guide prism 20 stretches into the inner chamber of base 1, the inner chamber swing joint of hollow guide prism 20 has prism piece 21, the inner chamber spiro union of threaded sleeve 11 has screw thread post 22, the top and the prism piece 21 rigid coupling of screw thread post 22, the bottom of screw thread post 22 is rotated and is connected with universal wheel 23, and universal wheel 23 is located the bottom of base 1, the screw thread direction on the screw thread post 22 of front end right side is the same with the screw thread direction on the threaded sleeve 22 of rear end left side, the screw thread direction on the screw thread post 22 of front end left side is the same with the screw thread The rotation direction of the screw thread on the front left threaded column 22 is opposite to that of the screw thread on the front right threaded column 22, so that the four groups of threaded columns 22 can move upwards or downwards simultaneously in the four groups of internal threaded sleeves 11, and the push-pull handle is fixedly connected to the right side of the top of the base 1, so that the push-pull movement of the base 1 is facilitated when the universal wheel 23 rolls on the ground.

One specific application of this embodiment is: the utility model has the advantages of reasonable design, through starting the just reverse motor 17, through the just reverse motion drive initiative helical gear 19 of just reverse motor 17 and rotate, through the meshing transmission cooperation of initiative helical gear 19 and first driven helical gear 12, through the meshing transmission cooperation of second driven helical gear 15 first driven helical gear 12, through the cooperation of transfer line 13 rotation on supporting shoe 14, through prism piece 21 in hollow guide prism 20 up-and-down movement regulation, be convenient for to screw post 22 in interior thread bush 11 go up-and-down movement regulation, adjust universal wheel 23 to contact with the ground when moving like this, make supporting leg 10 not contact with the ground, when not moving, adjust universal wheel 23 and pack up, make supporting leg 10 contact with the ground, thereby be convenient for the nimble switching use of supporting leg 10 and universal wheel 23, make supporting leg 10 can play effective supporting role, the manual operation condition is reduced, the working time and the physical strength of personnel are saved, the use is convenient, the air shutoff valve 9 is opened, the vacuum pump 7 is started, the air in the furnace body 2 can be pumped out from the exhaust port 4 through the exhaust pipe 8 through the vacuum pump 7 to form the vacuum furnace, the air shutoff valve 9 is closed when the vacuum furnace is not used, the air backflow into the furnace body 2 is reduced, and the furnace cover 3 can be opened through the telescopic adjustment effect of the power cylinder 5 to perform the nitriding work of objects.

	Type one	Type two
			Vacuum pump	fZB series miniature air pump	VLC series speed-regulating vacuum pump
Forward and reverse rotation motor	TCH（v）28-200-3-1800	TCH40-1500-100S

The electric appliance models in the table are only two types selected by the scheme which can be used in the embodiment, other electric appliance elements which meet the use requirement of the embodiment can be used, the vacuum pump, the power cylinder and the forward and reverse rotating motor are all provided with control switches matched with the vacuum pump, the power cylinder and the forward and reverse rotating motor, and the installation positions of the control switches can be selected according to actual use requirements.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a vacuum nitriding furnace, includes base (1), its characterized in that: a furnace body (2) is arranged in the middle of the top of the base (1), a furnace cover (3) is connected with the top flange of the furnace body (2), an exhaust port (4) is arranged at the top of the furnace cover (3), power cylinders (5) are symmetrically arranged at the left side and the right side of the top of the base (1), support plates (6) are fixedly connected with telescopic ends at the tops of the two groups of power cylinders (5), one side of each two groups of supporting plates (6) close to each other is fixedly connected with the furnace cover (3), the top of the supporting plate (6) on the left side is fixedly provided with a vacuum pump (7), the input end of the vacuum pump (7) is communicated with an exhaust pipe (8), and the vacuum pump (7) is communicated with the exhaust port (4) through an exhaust pipe (8), an air shutoff valve (9) is arranged on the air extraction pipe (8), and four corners of the bottom of the base (1) are fixedly connected with support legs (10);

the inner cavity bottom four corners of the base (1) are connected with an inner thread sleeve (11) in a rotating mode through bearings, four groups of inner thread sleeves (11) are fixedly connected with a first driven helical gear (12) in a rotating mode, the left side and the right side of the inner cavity bottom of the base (1) and the front side of the inner cavity bottom are provided with transmission rods (13), the middle of the outer wall of each transmission rod (13) is connected with a supporting block (14) in a rotating mode through bearings, the supporting block (14) is fixedly connected with the bottom of the inner cavity of the base (1), the front side and the rear side of the left group and the right group of transmission rods (13) and the front side of the left group and the right group of transmission rods (13) are symmetrically and fixedly connected with second driven helical gears (15) respectively, the second driven helical gears (15) are meshed with the first driven helical gears (12), the front side wall of the base (1, the rear power output end of the forward and reverse rotating motor (17) is connected with a rotating shaft (18), the rotating shaft (18) extends into the inner cavity of the base (1), the rotating shaft (18) is rotatably connected with the base (1), one end of the rotating shaft (18) extending into the inner cavity of the base (1) is fixedly connected with a driving helical gear (19), and the driving helical gear (19) is meshed with a first driven helical gear (12) on the right internal thread sleeve (11) at the front end;

the utility model discloses a screw thread sleeve, including base (1), the inner chamber spiro union of internal thread cover (11), the inner chamber spiro union of base (1) has threaded post (22), the top of threaded post (22) and prism piece (21) looks rigid coupling, the bottom of threaded post (22) is rotated and is connected with universal wheel (23), and universal wheel (23) are located the bottom of base (1), and the bottom of hollow guide prism (20) stretches into the inner chamber of base (1), the inner chamber swing joint of hollow guide prism (20) has prism piece (21), the bottom of threaded post (22) is rotated and is connected with universal wheel (23).

2. A vacuum nitriding furnace according to claim 1, characterized in that: the screw thread direction of rotation on the front end right side screw thread post (22) is the same with the rear end left side screw thread direction of rotation on screw thread post (22), the front end left side screw thread direction of rotation on screw thread post (22) is the same with the rear end right side screw thread direction of rotation on screw thread post (22), the front end left side screw thread direction of rotation on screw thread post (22) is opposite with the front end right side screw thread direction of rotation on screw thread post (22).

3. A vacuum nitriding furnace according to claim 1, characterized in that: an elastic rubber block is arranged in the middle of the bottom of the inner cavity of the base (1), and the top of the elastic rubber block is attached to the top of the inner cavity of the base (1).

4. A vacuum nitriding furnace according to claim 1, characterized in that: the bottom of the supporting leg (10) is fixedly connected with a non-slip mat.

5. A vacuum nitriding furnace according to claim 1, characterized in that: the right side of the top of the base (1) is fixedly connected with a push-pull handle.