CN219283973U

CN219283973U - Workpiece self-centering vertical vacuum heat treatment furnace

Info

Publication number: CN219283973U
Application number: CN202223398303.2U
Authority: CN
Inventors: 郭重志; 吴宪
Original assignee: Shenyang Qiqin Precision Technology Co ltd
Current assignee: Shenyang Qiqin Precision Technology Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-06-30
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses a self-centering vertical vacuum heat treatment furnace for workpieces, which comprises the following steps: the vacuum furnace comprises a base and a vacuum machine, wherein the top end of the base is provided with a support, the top end of the support is provided with a furnace body, the bottom end of the furnace body is provided with an opening, the bottom end of the outer wall of the furnace body penetrates through the outer wall of the support, the top end of the outer wall of the base is provided with a slide way, an inner cavity of the slide way is slidably embedded with a moving vehicle, the bottom end of the moving vehicle is provided with a plurality of pulleys, the bottom ends of the pulleys are contacted with the bottom end of the inner cavity of the slide way, and lifting mechanisms are symmetrically arranged on the front side and the rear side of the outer wall of the support. The workpiece self-centering vertical vacuum heat treatment furnace can perform self-centering operation on the workpiece placed at the top end of the furnace bottom in actual use, so that the workpiece is automatically aligned to the center position of the furnace bottom, centering after the workpiece enters equipment is ensured, air flow balance and stability can be ensured when inert gas is released, uniform heat treatment of the outer wall of the workpiece is ensured, manual operation of workers is not needed, and the workpiece self-centering vertical vacuum heat treatment furnace is convenient to use.

Description

Workpiece self-centering vertical vacuum heat treatment furnace

Technical Field

The utility model relates to the technical field of vacuum furnace equipment, in particular to a workpiece self-centering vertical vacuum heat treatment furnace.

Background

The vacuum heat treatment, namely the comprehensive technology combining the vacuum technology and the heat treatment, means that all and part of the heat treatment process is carried out in a vacuum state, the heat efficiency of the vacuum heat treatment furnace is high, the rapid temperature rise and the rapid temperature drop can be realized, the non-oxidation, the non-decarburization and the non-carburization can be realized, the phosphorus scraps on the surface of a workpiece can be removed, the degreasing and degassing effects are realized, and the effect of surface brightening and purifying can be achieved; the vacuum heat treatment furnace used at present is huge in volume, the furnace bottom loaded with the workpiece is required to be lifted by matching with the lifting mechanism, so that the workpiece enters the equipment, in the process, if the workpiece is too heavy, the lifting mechanism is required to be matched when the workpiece is placed, the furnace bottom can be moved to the bottom end of the furnace body after the workpiece is placed, at the moment, a worker can hardly adjust the position of the workpiece by means of manual mode, the equipment does not have the self-centering capability of the workpiece, if the position of the workpiece is not in the center, the workpiece enters the furnace body for heat treatment, and the air flow is easy to be unbalanced when inert gas is filled, so that the heat treatment quality of the outer wall of the workpiece is unbalanced, and the self-centering vertical vacuum heat treatment furnace for the workpiece is provided based on the problems.

Disclosure of Invention

The utility model aims to provide a workpiece self-centering vertical vacuum heat treatment furnace, which aims to solve the problems that the equipment proposed in the background art does not have the workpiece self-centering capability and the eccentric adjustment of an excessively heavy workpiece is difficult.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a workpiece self-centering vertical vacuum heat treatment furnace, comprising: the vacuum furnace comprises a base and a vacuum machine, wherein the top end of the base is provided with a support, the top end of the support is provided with a furnace body, the bottom end of the furnace body is provided with an opening, the bottom end of the outer wall of the furnace body penetrates through the outer wall of the support, the top end of the outer wall of the base is provided with a slide way, an inner cavity of the slide way is slidably embedded with a moving vehicle, the bottom end of the moving vehicle is provided with a plurality of pulleys, the bottom ends of the pulleys are contacted with the bottom end of the inner cavity of the slide way, lifting mechanisms are symmetrically arranged on the front side and the rear side of the outer wall of the support, and the rear side of the base is provided with a centering mechanism.

Preferably, the lifting mechanism comprises: the double-output motor, the first conical gear is installed through the bearing respectively to the left and right sides output of double-output motor, the outer wall top left and right sides of support is rotatable respectively installs second conical gear, and second conical gear with first conical gear intermeshing, the one end of lead screw is installed to the bottom of second conical gear, and the other end of lead screw pass through the bearing install in the outer wall top of base, the outer wall spiro union of lead screw has the layer board, and the outer wall of layer board still slidable cup joint in the outer wall of support.

Preferably, the outer wall of the supporting plate is provided with a rubber pad.

Preferably, the centering mechanism includes: the hydraulic cylinder is installed to the rear side of shell, and the output of pneumatic cylinder extends into the inner chamber of shell, the one end of first rack is installed to the output of pneumatic cylinder, and the other end of first rack extends to the top of base, two gears are installed to the inner chamber symmetry rotatable of shell, and the gear respectively with the outer wall left and right sides meshing of first rack, two spouts have been seted up to the inner chamber symmetry of shell, the inner chamber slidable of spout has embedded one end of second rack, and the second rack other end extends to the top of base, second rack and gear intermeshing, the ejector pad is installed to the one end that first rack and second rack extend to the base top.

Preferably, the two second racks are disposed to intersect each other.

Compared with the prior art, the utility model has the beneficial effects that: this work piece is from vertical vacuum heat treatment furnace of centering, move forward through the first rack of pneumatic cylinder drive, and then drive gear rotation, two second racks then can be along the inner chamber backward movement of spout, utilize the cooperation of two second racks and first rack to carry out from the centering to the work piece, then the pneumatic cylinder resets, make second rack and first rack not stop stove bottom elevating path, it is rotatory through two output motor drive second bevel gear and lead screw, then utilize the layer board to promote the stove bottom, in actual use, can carry out self-centering operation to placing at the stove bottom top work piece, make the central point of work piece automatic alignment stove bottom, guarantee that the work piece gets into behind the equipment center, can guarantee that the air current is balanced stable when releasing inert gas, guarantee that work piece outer wall thermal treatment is even, and need not workman's manual operation, convenient to use.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a top view of the centering mechanism of the present utility model.

Fig. 3 is a top view of a second rack of the present utility model.

In the figure: 1. base, 2, vacuum machine, 3, support, 4, furnace body, 5, slide, 6, mobile car, 7, pulley, 8, elevating system, 81, two output motor, 82, first conical gear, 83, second conical gear, 84, lead screw, 85, layer board, 9, centering mechanism, 91, shell, 92, pneumatic cylinder, 93, first rack, 94, gear, 95, spout, 96, second rack, 97, ejector pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution for a workpiece self-centering vertical vacuum heat treatment furnace: a workpiece self-centering vertical vacuum heat treatment furnace, comprising: base 1, vacuum machine 2, prop up, 3, furnace body 4, slide 5, locomotive 6, pulley 7, elevating system 8 and centering mechanism 9, vacuum machine 2 is current equipment, it links to each other with furnace body 4, can take out the air in the furnace body 4, also can fill inert gas therein, support 3 is installed on the top of base 1, the top of support 3 is equipped with furnace body 4, the bottom opening of furnace body 4, and the outer wall bottom of furnace body 4 runs through the outer wall of support 3, slide 5 has been seted up on the outer wall top of base 1, slide 5's inner chamber slidable has locomotive 6 in, the top shape and the stove bottom shape looks adaptation of locomotive 6, the stove bottom outer wall is equipped with four extension arms simultaneously, can be convenient for its lift, a plurality of pulley 7 is installed to the bottom of locomotive 6, and the bottom of pulley 7 and the inner chamber bottom contact of slide 5, utilize pulley 7 to guarantee that locomotive 6 can be smooth in slide 5 removal, both sides symmetry is equipped with elevating system 8 around the outer wall of support 3, elevating system 8 can promote, centering mechanism 9 are equipped with to centering mechanism in the rear side of base 1, make work piece position centering mechanism can be centered.

Preferably, the lifting mechanism 8 further includes: the double output motor 81, first conical gear 82, second conical gear 83, lead screw 84 and layer board 85, first conical gear 82 is installed through the bearing respectively to the left and right sides output of double output motor 81, double output motor 81 is current equipment, open can drive two first conical gear 82 rotations, the second conical gear 83 is installed to the outer wall top left and right sides of support 3 rotatable respectively, and second conical gear 83 and first conical gear 82 intermesh, can drive second conical gear 83 synchronous rotation when first conical gear 82 rotates, the one end of lead screw 84 is installed to the bottom of second conical gear 83, and the other end of lead screw 84 passes through the bearing and installs in the outer wall top of base 1, the outer wall spiro union of lead screw 84 has layer board 85, and the outer wall of layer board 85 still slidable cup joints in the outer wall of support 3, when lead screw 84 rotates, under the limiting displacement of support 3 outer wall, layer board 85 can upwards move.

As a preferable scheme, further, the outer wall of the supporting plate 85 is provided with a rubber pad, so that the friction force is increased, and the lifting can be stably driven by utilizing the cooperation of the rubber pad and the furnace bottom extension arm.

As a preferred embodiment, the centering mechanism 9 further includes: the hydraulic cylinder 92 is installed at the rear side of the shell 91, and the output end of the hydraulic cylinder 92 extends into the inner cavity of the shell 91, one end of the first rack 93 is installed at the output end of the hydraulic cylinder 92, the other end of the first rack 93 extends to the top end of the base 1, the hydraulic cylinder 92 is started to drive the first rack 93 to move forwards, two gears 94 are installed in the inner cavity of the shell 91 in a symmetrical and rotatable mode, the gears 94 are meshed with the left side and the right side of the outer wall of the first rack 93 respectively, the first rack 93 moves forwards to enable the two gears 94 to be driven to rotate, two sliding grooves 95 are symmetrically arranged in the inner cavity of the shell 91, one end of the second rack 96 is embedded in the inner cavity of the sliding groove 95, the other end of the second rack 96 extends to the top end of the base 1, the second rack 96 is meshed with the gears 94, the second gear 96 can move along the inner cavity of the sliding groove 95 when the gears 94 rotate, and the first rack 93 and the second rack 96 extend to the top end of the base 1 to the push block 97.

As a preferred scheme, still further, two second racks 96 cross each other and set up, guarantee to cooperate with first gear 93 and gear 94, utilize a power source, make two second gears 96 and first gear 93 to the work piece location.

The detailed connection means is known in the art, all the electric components in the case are connected with the power supply matched with the electric components through wires by the person skilled in the art, and a proper controller is selected according to actual conditions so as to meet control requirements, specific connection and control sequence, and the electric connection is completed by referring to the following working principles in the working sequence of the electric components.

When the automatic centering device is used, the furnace bottom is placed at the top end of the moving vehicle 6, then workpieces are placed at the top end of the moving vehicle, the moving vehicle 6 is pushed to the rear end of the inner cavity of the slide way 5, at the moment, the center position of the furnace bottom corresponds to the center of the furnace body 4, two double-output motors 81 are started to simultaneously drive four first bevel gears 82 to rotate, then the second bevel gears 83 drive screw rods 84 to rotate, under the limiting effect of the outer wall of the bracket 3, the supporting plate 85 can move upwards, then the workpieces are lifted through the extension arms of the lifting furnace bottom, when the workpieces at the top end correspond to the position of the centering mechanism 9, the lifting is suspended, the hydraulic cylinder 92 is started to drive the first racks 93 to move forwards, then the first racks 93 are used for driving the two racks 94 to move backwards, so that the workpieces are aligned with the center position of the furnace bottom by using push blocks 97 at the end parts of the two second racks 96 and the first racks 93, then the hydraulic cylinder 92 is reset, the lifting path that the end parts of the first racks 93 and the second racks 96 leave the furnace bottom can be continuously lifted, the workpieces can be automatically abutted to the furnace bottom 4, the workpieces can be automatically stopped, the workpieces can be automatically centered, the workpieces can be prevented from being uniformly centering by the workpieces, and the workpieces can not be centered, and the workpieces can be prevented from being automatically being centered, and the workpieces can not be conveniently and manually being processed, and the workpieces can be automatically not be centered by the centering the workpieces due to the operation.

In the description of the present utility model, it should be understood that the terms "bottom," "one end," "top," "center location," "other end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation; meanwhile, unless explicitly specified and limited otherwise, the terms "snap-in," "socket," "weld," "mount," "set," "interference fit," "screw connection," "pin connection," and the like are to be construed broadly, and may be, for example, a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A workpiece self-centering vertical vacuum heat treatment furnace, comprising: base (1) and vacuum machine (2), support (3) are installed on the top of base (1), furnace body (4) are equipped with on the top of support (3), the bottom opening of furnace body (4), and the outer wall bottom of furnace body (4) runs through the outer wall of support (3), slide (5) have been seted up on the outer wall top of base (1), the inner chamber slidable of slide (5) is embedded has locomotive (6), a plurality of pulley (7) are installed to the bottom of locomotive (6), and the bottom of pulley (7) with the inner chamber bottom contact of slide (5), bilateral symmetry is equipped with elevating system (8) around the outer wall of support (3), centering mechanism (9) are equipped with to the rear side of base (1).

2. A workpiece self-centering vertical vacuum heat treatment furnace as claimed in claim 1, wherein: the lifting mechanism (8) comprises: the double-output motor (81), first bevel gear (82) is installed through the bearing respectively to the left and right sides output of double-output motor (81), second bevel gear (83) is installed to the outer wall top left and right sides of support (3) rotatable respectively, and second bevel gear (83) with first bevel gear (82) intermeshing, the one end of lead screw (84) is installed to the bottom of second bevel gear (83), and the other end of lead screw (84) install in through the bearing in the outer wall top of base (1), the outer wall spiro union of lead screw (84) has layer board (85), and the outer wall of layer board (85) still slidable cup joint in the outer wall of support (3).

3. A workpiece self-centering vertical vacuum heat treatment furnace as claimed in claim 2, wherein: the outer wall of the supporting plate (85) is provided with a rubber pad.

4. A workpiece self-centering vertical vacuum heat treatment furnace as claimed in claim 1, wherein: the centering mechanism (9) comprises: the shell (91), pneumatic cylinder (92) is installed to the rear side of shell (91), and the output of pneumatic cylinder (92) extends into the inner chamber of shell (91), the one end of first rack (93) is installed to the output of pneumatic cylinder (92), and the other end of first rack (93) extends to the top of base (1), two gears (94) are installed to the inner chamber symmetry rotatable of shell (91), and gear (94) respectively with the outer wall left and right sides meshing of first rack (93), two spouts (95) have been seted up to the inner chamber symmetry of shell (91), the inner chamber slidable of spout (95) has the one end of second rack (96), and the other end of second rack (96) extends to the top of base (1), second rack (96) and gear (94) intermeshing, push block (97) are installed to the one end that first rack (93) and second rack (96) extend to the top of base (1).

5. A workpiece self-centering vertical vacuum heat treatment furnace as claimed in claim 4, wherein: the two second racks (96) are arranged to cross each other.