CN217701229U

CN217701229U - Machine tool upright post lost foam mould

Info

Publication number: CN217701229U
Application number: CN202220983297.8U
Authority: CN
Inventors: 符涛; 刘向向
Original assignee: Zhengzhou Jincheng Mold Manufacturing Co ltd
Current assignee: Zhengzhou Jincheng Mold Manufacturing Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-11-01
Anticipated expiration: 2032-04-27

Abstract

The utility model relates to the field of lost foam molds, in particular to a machine tool stand column lost foam mold, which comprises a workbench, a mold body arranged above the workbench and a clamping mechanism arranged on the workbench, wherein an automatic coating mechanism is arranged above the mold body; the clamping mechanism comprises vertical rods arranged at two ends of the die body, the inner sides of the vertical rods are rotatably connected with connecting shafts, the free ends of the connecting shafts are fixedly connected with clamping plates through limiting springs, and the vertical rods are detachably arranged on the workbench; two can dismantle between the montant and be connected with the horizontal pole that is located mould body top, the horizontal pole bottom is provided with electronic slide rail, last slider of electronic slide rail links to each other with the paintbrush is fixed. Through the clamping mechanism and the automatic coating mechanism, the coating efficiency of the casting machine tool column mold body is improved, the coating effect is improved, and the refractory coating is coated more uniformly.

Description

Machine tool upright post lost foam mould

Technical Field

The utility model relates to a disappearance mould technical field specifically is a lathe stand disappearance mould.

Background

The machine tool upright column is an important structural part of a machine tool and plays a role in up-and-down movement and support of the machine tool. The upright post of the machining center mainly plays a role in supporting the spindle box and meets the requirement for Z-direction movement of the spindle. The machine tool stand column is usually made of HT250, and the material is good in strength, wear resistance and heat resistance, good in vibration reduction performance and excellent in casting performance, and needs to be subjected to artificial aging treatment. In addition, HT200, HT300 or nodular cast iron are frequently used, depending on the operational requirements. The common design form of a double-upright-column frame structure is that a large and medium-sized moving upright column is fixed on a sliding seat. Because the column is an important part for connecting the lathe bed, the main shaft and the tool magazine, the design of the column must be considered seriously. For the main shaft, the correct installation of the upright post plays a role of being unable to ignore the qualified parts processed by the processing center, and the installation of the upright post is mainly reflected in the perpendicularity between the upright post and the workbench.

Lost foam casting (also called solid casting) is solid casting of foam plastic mould by adopting binder-free dry sand combined with vacuumizing technology, and is a novel casting method which is characterized in that foam moulds with similar sizes and shapes with castings are combined into mould clusters in a bonding mode, refractory paint is coated and dried, then the mould clusters are buried in dry quartz sand for vibration moulding, the mould is poured under negative pressure, the mould is gasified, liquid metal occupies the position of the mould, and the casting is formed after solidification and cooling.

In the process of producing the machine tool stand column lost foam mold, the machine tool stand column lost foam mold is required to be coated with a fire-resistant layer, in the prior art, the mold is mostly coated manually by workers, the efficiency is low, and the fire-resistant layer can be unevenly coated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lathe stand disappearance mould can be automatically for disappearing the mould and apply paint fire retardant coating with a brush, promotes and applies paint efficiency with a brush, prevents that the flame retardant coating from paining not enough evenly.

A lost foam mold for a machine tool upright column comprises a workbench and a mold body arranged above the workbench; the automatic coating machine is characterized by also comprising a clamping mechanism arranged on the workbench, wherein an automatic coating mechanism is arranged above the die body; the clamping mechanism comprises vertical rods arranged at two ends of the die body, the inner sides of the vertical rods are rotatably connected with connecting shafts, the free ends of the connecting shafts are fixedly connected with clamping plates through limiting springs, and the vertical rods are detachably arranged on the workbench; two can dismantle between the montant and be connected with the horizontal pole that is located the mould body top, the horizontal pole bottom is provided with electronic slide rail, the last slider bottom fixedly connected with coating brush of electronic slide rail, the top of coating brush and the conveying pipeline intercommunication of passing the slider, the conveying pipeline communicates with the delivery pump of fixed mounting on the horizontal pole, the delivery pump passes through the conveying pipeline and sets up the paint tank intercommunication on the workstation.

Preferably, the bottom of workstation fixedly connected with a plurality of supporting legs, fixed mounting has between the supporting leg and places the board.

Preferably, the motor is fixedly connected to the outer side of the vertical rod at the left end of the workbench, and a rotating shaft of the motor is fixedly connected with the connecting shaft.

Preferably, an opening corresponding to the die body is formed in the workbench, and a material receiving box fixed on the placing plate is arranged below the opening.

Preferably, a limiting ring used for restraining the conveying pipe is fixedly installed on the cross rod.

Compared with the prior art, the beneficial effects of the utility model are that: the device mainly through the splint among the fixture through the elasticity of spacing spring will be used for the disappearance mould centre gripping of casting machine bed stand, electronic slide rail drives the paint brush on the slider and slides afterwards, the delivery pump passes through the refractory coating in the conveying pipeline extraction paint box, on brush hair and the mould body on the paint brush by the last delivery port spraying of paint brush afterwards, electronic slide rail drives the brush hair on the paint brush and is reciprocating motion, the surface of applying paint the mould body with a brush, the pivot of motor drives the mould body through driving the connecting axle and rotates, so that paint brush can be even with paint the brush on the surface of mould body, the device has not only promoted the mould body efficiency of applying paint refractory coating with a brush, the effect of applying paint with a brush has still been improved, it is more even to make refractory coating apply paint with a brush, promote the refractory effect of mould body.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the combination of the paint brush and the delivery pipe of the present invention.

Reference numerals: 1. a work table; 2. a mold body; 3. a vertical rod; 4. a connecting shaft; 5. a limiting spring; 6. a splint; 7. a cross bar; 8. a slider; 9. brushing the paint; 10. a delivery pipe; 11. a feed pump; 12. a paint tank; 13. supporting legs; 14. placing a plate; 15. a motor; 16. a material receiving box; 17. a limit ring.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the present invention, unless otherwise explicitly specified and limited, for the terms of orientation, such as the terms "above", "below", "upper", "lower surface", "clockwise", "counterclockwise", "left", "right", etc., indicating the orientation and positional relationship based on the orientation or positional relationship shown in the drawings is only for the convenience of description and simplification of the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the invention.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature "on", "under" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.

As shown in fig. 1-2, a machine tool column lost foam mold comprises a workbench 1 and a mold body 2 arranged above the workbench 1 and used for casting a machine tool column, wherein the mold body 2 is a machine tool column lost foam mold, foam models with the size and shape similar to those of castings are bonded and combined into a mold cluster, the mold cluster is coated with refractory paint and dried, then the mold cluster is buried in dry quartz sand for vibration molding, the mold is poured under negative pressure to gasify the mold, liquid metal occupies the position of the mold, and the mold cluster is solidified and cooled to form a machine tool column casting; the automatic coating machine is characterized by also comprising a clamping mechanism which is arranged on the workbench 1 and used for clamping the mould body 2, wherein an automatic coating mechanism used for coating refractory coating on the mould body 2 is arranged above the mould body 2; the clamping mechanism comprises square vertical rods 3 arranged at two ends of the die body 2, the inner sides of the vertical rods 3 are rotatably connected with connecting shafts 4, free ends of the connecting shafts 4 are fixedly connected with clamping plates 6 through limiting springs 5, telescopic columns are arranged in the limiting springs 5, the integral rigidity of the limiting springs 5 is improved, the limiting springs 5 are prevented from shaking in the rotating process, the vertical rods 3 are detachably mounted on the workbench 1, the distance between the two clamping plates 6 can be conveniently adjusted through a detachable mounting mode, and the die bodies 2 which are different in specification and are used for casting machine tool stand columns can be conveniently adapted and clamped; a square cross rod 7 positioned above the die body 2 is detachably connected between the two vertical rods 3, and an electric sliding rail is arranged at the bottom of the cross rod 7 and is a common device on the market, so that redundant description is omitted; the bottom of a sliding block 8 matched with the electric sliding rail is fixedly connected with a coating brush 9, the top of the coating brush 9 is communicated with a telescopic conveying pipe 10 inserted through the sliding block 8, the coating brush 9 is formed by combining a handle and bristles, the bottom of the handle is rectangular, a cavity is formed in the bottom of the handle, a conveying port of the conveying pipe 10 is fixed in the cavity of the handle and used for spraying refractory coating on the outer surface of the mold body 2, and the bristles are fixed on the bottom of the handle; the feed pipe 10 is connected to a feed pump 11 fixedly mounted on the cross bar 7, and the feed pump 11 is connected to a square paint tank 12 provided on the table 1 through the feed pipe 10.

The bottom of the workbench 1 is fixedly connected with a plurality of supporting legs 13, and the supporting legs 13 are distributed at four corners of the bottom of the workbench 1; a rectangular placing plate 14 for placing a material receiving box 16 is fixedly arranged between the supporting legs 13.

The outside fixedly connected with motor 15 that is located 1 left end montant 3 of workstation, motor 15's pivot and connecting axle 4 are fixed continuous, and motor 15 is used for driving mould body 2 rotatory, makes coating brush 9 paint mould body 2 surfaces, makes mould body 2 have fire behavior.

The rectangular workbench 1 is provided with an opening corresponding to the die body 2, and the opening is larger than the coverage area of the die body; the receiving box 16 fixed on the placing plate 14 is arranged below the opening, the box opening of the rectangular receiving box 16 is larger than the opening, when the coating brush 9 coats the mould body 2, the refractory coating falls down to the opening along the mould body 2 by self gravity and then falls into the receiving box 16 for collection, and the refractory coating can be recycled into the coating box 12 for use for many times in the above mode, so that certain resources are saved.

The limiting ring 17 used for restraining the conveying pipeline 10 is fixedly installed on the cross rod 7, the conveying pipeline 10 penetrates through the limiting ring 17, and when the sliding block 8 reciprocates on the electric sliding rail, the conveying pipeline 10 is prevented from being greatly displaced, and the fact that the mould body 2 is coated with refractory coatings is influenced.

The working principle is as follows: the device mainly through splint 6 among the fixture through spacing spring 5 the elasticity will be used for the disappearance mould centre gripping of casting machine stand, electric slide rail drives the coating brush 9 on the slider 8 and slides afterwards, delivery pump 11 draws the fire-resistant coating in the coating case 12 through conveying pipeline 10, brush hair and mould body 2 on coating brush 9 are painted by the defeated material mouth spraying on coating brush 9 afterwards, electric slide rail drives the brush hair on the coating brush 9 and is reciprocating motion, the surface of applying paint mould body 2 with a brush, the pivot of motor 15 drives mould body 2 through driving connecting axle 4 and rotates, so that coating brush 9 can be even with paint on the surface of mould body 2, above-mentioned device has not only promoted mould body 2 and has applied paint the efficiency of applying paint with a brush fire-resistant coating, the effect of applying paint with a brush has still been improved, make the fire-resistant coating more even of applying paint with a brush, promote the fire-resistant effect of mould body 2.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.

Claims

1. The utility model provides a lathe stand disappearance mould, is in including workstation (1) and setting mould body (2) of workstation (1) top, its characterized in that: the automatic coating machine is characterized by also comprising a clamping mechanism arranged on the workbench (1), wherein an automatic coating mechanism is arranged above the die body (2);

the clamping mechanism comprises vertical rods (3) arranged at two ends of the die body (2), the inner sides of the vertical rods (3) are rotatably connected with connecting shafts (4), the free ends of the connecting shafts (4) are fixedly connected with clamping plates (6) through limiting springs (5), and the vertical rods (3) are detachably mounted on the workbench (1);

two can dismantle between montant (3) and be connected with horizontal pole (7) that are located mould body (2) top, horizontal pole (7) bottom is provided with electronic slide rail, slider (8) bottom fixedly connected with coating brush (9) on the electronic slide rail, the top of coating brush (9) and conveying pipeline (10) the intercommunication of passing slider (8), conveying pipeline (10) and fixed mounting are in conveying pump (11) intercommunication on horizontal pole (7), conveying pump (11) are through conveying pipeline (10) and coating case (12) the intercommunication of setting on workstation (1), coating brush (9) contact with mould body (2).

2. The machine tool column lost foam mold of claim 1, characterized in that: the bottom fixedly connected with of workstation (1) a plurality of supporting legs (13), fixed mounting has between supporting leg (13) places board (14).

3. The machine tool column lost foam mold of claim 1, wherein: the outer side of the vertical rod (3) at the left end of the workbench (1) is fixedly connected with a motor (15), and a rotating shaft of the motor (15) is fixedly connected with the connecting shaft (4).

4. The machine tool column lost foam mold of claim 2, characterized in that: an opening corresponding to the die body (2) is formed in the workbench (1), and a material receiving box (16) fixed on the placing plate (14) is arranged below the opening.

5. The machine tool column lost foam mold of claim 1, characterized in that: and a limiting ring (17) used for restricting the material conveying pipe (10) is fixedly arranged on the cross rod (7).