CN221123001U - Lifting device for workpiece of heat treatment furnace - Google Patents

Abstract

The utility model discloses a heat treatment furnace workpiece lifting device which is applied to a heat treatment furnace and comprises a base which is fixedly arranged, wherein a piston cylinder is vertically arranged on the base, a piston rod is arranged on the piston cylinder, a chassis is arranged below the piston rod, and a lifting furnace cover is arranged on the chassis. The automatic lifting structure is adopted to realize the opening and closing of the furnace cover; the lifting mechanism simultaneously bears the task of supplying the workpiece, so that the working procedures are reduced, and the efficiency is improved; and the bearing capacity is strong, the lifting speed is high and stable, the cycle period can be shortened, and the device is very convenient and quick.

Description

Lifting device for workpiece of heat treatment furnace

Technical Field

The utility model relates to a lifting device for a heat treatment furnace workpiece.

Background

The heat treatment furnace refers to an electric furnace or a fuel furnace for heat treatment and heating of furnace burden. Typical heat treatment furnaces include a box-type resistance furnace, a well-type resistance furnace, a gas carburizing furnace, a salt bath furnace, and the like. Continuous furnaces are typically used in which workpieces are continuously fed from a charging gate, passed through a furnace, and continuously discharged from a discharging gate.

The furnace covers of the openings for the work pieces to enter and exit are mostly manually opened and closed by workers on the aluminum alloy heat treatment furnace. This kind of structural design not only leads to work efficiency not high to degree of automation, still has the potential safety hazard. The working temperature teach of the heat treatment furnace is very easy to cause accidents such as scalding and the like.

In the existing part of heat treatment furnaces, workpieces are placed into the furnace by using a hoisting structure, and then a furnace cover is covered (see application number: 202020698268.8, an aluminum alloy quenching furnace). The mode has limited bearing and can not hoist more workpieces, so that the number of the workpieces which can be processed by each furnace is limited. Second, the stability is inadequate, making the speed slower. And the operation steps are more, the procedures are complicated, and the efficiency is low.

Disclosure of utility model

Aiming at the defects in the prior art, the utility model provides the lifting device for the heat treatment furnace workpiece, which adopts an automatic lifting structure, reduces working procedures, improves efficiency and has the characteristics of strong bearing capacity, high lifting speed and stability.

In order to solve the technical problems, the utility model is solved by the following technical scheme: the utility model provides a heat treatment furnace work piece elevating gear, is applied to on the heat treatment furnace, including the base of fixed setting, the vertical piston cylinder that is provided with on the base, the piston cylinder is provided with the piston rod, the piston rod below is provided with the chassis, be provided with the lift bell on the chassis.

In the above technical solution, preferably, the underframe includes two bottom beams, the bottom beams are provided with bearing plates, the two bearing plates are provided with bottom brackets, and the lifting furnace cover is mounted on the bottom brackets; the two ends of the bottom beam are provided with connecting ends which are connected with the piston rod.

In the above technical solution, preferably, hydraulic oil is disposed in the piston cylinder and is connected with a hydraulic pump, and the piston rod is driven to move by using a hydraulic transmission mode.

In the above technical solution, preferably, the piston cylinder is connected with an air pump, and the piston rod is driven to move by using an air pressure mode.

In the above technical solution, preferably, the base is provided with a locking mechanism; the locking mechanism is used for locking lifting movement of the underframe.

In the above technical scheme, preferably, the locking mechanism comprises a sleeve seat and a driving head which are mounted on the base, a locking rod is movably sleeved in the sleeve seat, the bottom of the locking rod is fixedly connected to the underframe, and a plurality of locking holes are formed in the rod body; the driving head is provided with a telescopic locating pin, and when the locating pin is driven by the driving head to move and insert into the locking hole, the locking rod cannot move so as to realize locking work. The driving head can be a linear motor, a hydraulic pump or a cylinder.

In the above technical scheme, preferably, the lifting device is mounted on a mounting seat on a bracket, the bracket is also provided with a heat treatment furnace, and the lifting device lifts the lifting furnace cover to cover the opening at the bottom of the heat treatment furnace; the top of the lifting furnace cover is used for placing a workpiece to be processed.

The utility model provides a heat treatment furnace workpiece lifting device, which adopts an automatic lifting structure to realize the opening and closing of a furnace cover; the lifting mechanism simultaneously bears the task of supplying the workpiece, so that the working procedures are reduced, and the efficiency is improved; and the bearing capacity is strong, the lifting speed is high and stable, the cycle period can be shortened, and the device is very convenient and quick.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following discussion will discuss the embodiments or the drawings required in the description of the prior art, and it is obvious that the technical solutions described in connection with the drawings are only some embodiments of the present utility model, and that other embodiments and drawings thereof can be obtained according to the embodiments shown in the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a perspective view of the present utility model.

Fig. 2 is a schematic structural view of the chassis of the present utility model.

Fig. 3 is an enlarged schematic view of the structure at a in fig. 1.

FIG. 4 is a schematic view of the state of use of the furnace body of the present utility model.

In the figure: the lifting device 1, a base 11, a piston cylinder 12, a piston rod 13, a locking mechanism 2, a driving head 21, a sleeve seat 22, a locking rod 23, a locking hole 231, a bottom frame 3, a bottom beam 31, a bottom bracket 32, a connecting end 33, a bearing plate 34, a lifting furnace cover 4, a bracket 5, an installation seat 51 and a heat treatment furnace 6.

Detailed Description

The following description of the embodiments of the present utility model will be made in detail and with reference to the accompanying drawings, wherein it is apparent that the embodiments described are only some, but not all embodiments of the present utility model. All other embodiments, which can be made by a person of ordinary skill in the art without the need for inventive faculty, are within the scope of the utility model, based on the embodiments described in the present utility model.

As shown in fig. 1 to 4, the present embodiment discloses a heat treatment furnace workpiece lifting device applied to a heat treatment furnace 6. The heat treatment furnace 6 of the device adopts a mode of a lower opening, and realizes the transfer of the workpiece by utilizing the lifting movement of the lifting furnace cover 4 and the matching of a mechanical arm. The lifting device 1 of the device is arranged on a base 11, and the base 11 and a heat treatment furnace 6 are arranged on a bracket 5 in a one-pass way. The lifting mechanism 1 and the locking mechanism 2 are arranged on the base 41; the lifting mechanism 1 is connected with the lifting furnace cover 4 to drive the lifting furnace cover to lift, so that workpieces are transported into and out of the heat treatment furnace 6; the locking mechanism 2 is used for locking the movement of the lifting furnace cover 4.

The lifting mechanism 1 of the device comprises a piston cylinder 12 which is vertical on a base 11, the piston cylinder 12 is provided with a piston rod 13, a bottom frame 3 is arranged below the piston rod 13, a lifting furnace cover 4 is arranged on the bottom frame 3, and the top of the lifting furnace cover 4 is used for placing a workpiece to be processed. The underframe 3 comprises two bottom beams 31, wherein bearing plates 34 are arranged on the bottom beams 31, a bottom support 32 is arranged on each bearing plate 34, and the lifting furnace cover 4 is arranged on each bottom support 32; the two ends of the bottom beam 31 are provided with connecting ends 33, and the connecting ends 33 are connected with the piston rod 13.

The piston cylinder 12 is internally provided with hydraulic oil and is connected with a hydraulic pump, and the piston rod 13 is driven to move by a hydraulic transmission mode.

The lifting furnace cover 4 is driven to rise and fall by the device in a lifting mode of direct driving of the oil cylinder. The lifting furnace cover 4 is of an upper-lower double-disc structure, the upper disc is used for placing a workpiece to be treated, and the lower disc is used for supporting autogenous production. The lifting furnace cover 4 is arranged on the bottom beams 31, the two bottom beams 31 are separated from each other, and a space between the two bottom beams can be used for a forklift to transfer the lifting furnace cover 4 and a workpiece.

The device adopts the oil cylinder to directly drive the lifting mode, and has the characteristics of strong bearing capacity and the advantages of high lifting speed and stability. The lifting furnace cover 4 of the heat treatment furnace 6 is designed to be an inverted furnace cover and has the function of a workpiece placing rack, so that the operation is not influenced, and the running period is shortened. The lifting furnace cover 4 is placed on the two separated bottom beams 31, so that enough space is provided for forklift or manipulator operation, and the lifting furnace cover is quite convenient and quick.

The locking mechanism 2 of the device comprises a sleeve seat 22 and a driving head 21 which are arranged on the base 11, a locking rod 23 is movably sleeved in the sleeve seat 22, the bottom of the locking rod 23 is fixedly connected to the underframe 3, and a plurality of locking holes 231 are formed in a rod body; the driving head 21 is provided with a telescopic positioning pin, and when the positioning pin is driven by the driving head 21 to move and insert into the locking hole 231, the locking rod 23 cannot move to realize locking work. The driving head can be a linear motor, a hydraulic pump or a cylinder.

When the lifting furnace cover 4 moves to the limit position, the driving head starts locking operation. And when the heat treatment furnace is in the upward limit position, the heat treatment furnace is completely attached to the bottom opening of the heat treatment furnace 6, so that a closed heat treatment space is formed inside the heat treatment furnace 6. The downward limit position is determined by the lifting mechanism and the robot for carrying the workpiece.

Wherein, a displacement sensor is also arranged in the sleeve seat 22 and used for detecting and calculating the ascending or descending displacement of the locking rod 23 so as to judge whether the lifting furnace cover 4 is in place or not. After being in place, the driving head 21 is driven to work, and the protruding positioning pin is inserted into the locking hole 231, so that locking work is realized.

Or a contact switch is arranged on the sleeve seat 22, and an upper stop block and a lower stop block are arranged on the locking rod 23. The spacing of the stop blocks is the spacing between the lifting furnace cover 4 and the high point and the place. After the contact switch is triggered, the lifting furnace cover 4 reaches a limit point, and at the moment, the driving head 21 is driven to work, and the extending locating pin is inserted into the locking hole 231, so that locking work is realized.

Finally, the piston cylinder 12 of the device is connected with an air pump instead of a hydraulic driving mode, and the piston rod 13 is driven to move by utilizing an air pressure mode.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Accordingly, the embodiments are to be considered in all respects as illustrative and not restrictive. The scope of the utility model is indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. The utility model provides a heat treatment furnace work piece elevating gear, is applied to on the heat treatment furnace, its characterized in that: the lifting furnace comprises a base (11) which is fixedly arranged, wherein a piston cylinder (12) is vertically arranged on the base (11), a piston rod (13) is arranged on the piston cylinder (12), a bottom frame (3) is arranged below the piston rod (13), and a lifting furnace cover (4) is arranged on the bottom frame (3); the top of the lifting furnace cover (4) is used for placing a workpiece to be treated.

2. The lifting device of claim 1, wherein: the underframe (3) comprises two bottom beams (31), wherein bearing plates (34) are arranged on the bottom beams (31), supports (32) are arranged on the two bearing plates (34), and the lifting furnace cover (4) is arranged on the supports (32); connecting ends (33) are arranged at two end parts of the bottom beam (31), and the connecting ends (33) are connected with the piston rod (13).

3. The lifting device of claim 1, wherein: the piston cylinder (12) is internally provided with hydraulic oil and is connected with a hydraulic pump, and the piston rod (13) is driven to move by utilizing a hydraulic transmission mode.

4. The lifting device of claim 1, wherein: the piston cylinder (12) is connected with an air pump, and the piston rod (13) is driven to move in an air pressure mode.

5. The lifting device of claim 2, wherein: a locking mechanism (2) is arranged on the base (11); the locking mechanism (2) is used for locking the lifting movement of the underframe (3).

6. The lifting device of claim 5, wherein: the locking mechanism (2) comprises a sleeve seat (22) and a driving head (21) which are arranged on the base (11), a locking rod (23) is movably sleeved in the sleeve seat (22), the bottom of the locking rod (23) is fixedly connected to the underframe (3), and a plurality of locking holes (231) are formed in a rod body; the driving head (21) is provided with a telescopic locating pin, and when the locating pin is driven by the driving head (21) to move and insert into the locking hole (231), the locking rod (23) cannot move so as to realize locking work.

7. The lifting device of claim 1, wherein: the lifting device (1) is arranged on a mounting seat (51) on the bracket (5), the bracket (5) is also provided with a heat treatment furnace (6), and the lifting device (1) lifts the lifting furnace cover (4) to cover the opening at the bottom of the heat treatment furnace (6).