CN214640079U - Automatic unscrewing device of turbine mould - Google Patents

Abstract

The utility model discloses an automatic unscrewing device of turbine mould relates to investment mould preparation technical field, include: the base, base circumference equipartition have along a plurality of tracks of radial extension, slidable mounting has slider assembly between two adjacent tracks, and the base lower part is provided with the colored dish, is provided with a plurality of circumference evenly distributed's arc wall on the colored dish, and the direction of arc wall is provided with the column spinner according to the direction transition of gradually bursting at the seams between arc wall and the slider assembly, and the column spinner upper end is fixed on slider assembly, and the column spinner lower extreme can slide in the arc wall, is provided with the drive on the colored dish pivoted drive arrangement. The utility model can ensure most of the acting force of the mould to act on the extending direction of the track through the involute arc-shaped groove on the faceplate, so that the mould opening of the slide block is smooth, and the working efficiency is improved; through changing the stress in the die opening process, the die opening of the die is stable, the transmission is accurate, the die opening efficiency is high, the angle is accurate, and the scrapping caused by the deformation of the product in the die opening process can be reduced.

Description

Automatic unscrewing device of turbine mould

Technical Field

The utility model relates to an investment mould preparation technical field, in particular to turbine mold's automatic unscrewing device.

Background

The impeller has wide application in various industries, such as automobile supercharging turbine, centrifugal pump and the like, and with the diversification development of product types, the impeller types are more and more, which also puts more and more rigorous requirements on the development period of the product. The existing wax mold for the impeller investment casting comprises a plurality of sliding blocks, the front end of each sliding block is provided with a wax mold forming cavity surface, the sliding blocks are spliced into a whole along the circumferential direction to enable the wax mold forming cavity surfaces at the front ends of the sliding blocks to be spliced into a whole wax mold forming cavity, and the impeller wax mold is obtained by injecting melted wax into the wax mold forming cavity, filling the whole wax mold forming cavity with the melted wax and cooling the wax mold forming cavity. The existing wax mould for the investment casting of the impeller has the following defects: 1. due to the fact that the impeller is various in structure, the design and manufacturing cost of the sliding block is high, and the development and manufacturing period of the whole impeller precision casting mold is long. 2. The wax pattern mold for the existing impeller investment casting adopts manual block pumping and closing, so that the product quality is unstable, the production efficiency is low, and the yield is low.

Chinese patent CN 106607563B discloses a wax mold die for impeller investment casting, which is characterized in that a slide block is designed into a detachable split structure, and for processing impeller wax molds with different structure types, only a slide block molding block which is designed and manufactured in a matching way needs to be assembled on a slide block base body, so that the slide block base body can be recycled, the material cost of the conventional integral slide block manufacturing is greatly reduced, and the design and manufacturing period of the slide block is shortened. But the technical proposal of automatically opening the die is not missed.

Disclosure of Invention

To above defect, the utility model aims at providing a turbine mould's automatic device of unscrewing, this turbine mould's automatic device of unscrewing can automatic sliding and close, and the die sinking is efficient and the angle is accurate.

In order to realize the purpose, the technical scheme of the utility model is that:

an automatic unscrewing device of a turbine mold, comprising: the base, base circumference equipartition has along radial a plurality of tracks that extend, slidable mounting has slider assembly in the track, and the last wax matrix of being provided with of slider assembly takes shape the chamber face, the base lower part is provided with the flower disc, be provided with a plurality of circumference evenly distributed's arc wall on the flower disc, the arc wall with be provided with the column spinner between the slider assembly, the column spinner upper end is fixed on the slider assembly, column spinner sliding fit is in the arc wall, be provided with the drive on the flower disc pivoted drive arrangement.

The sliding block assembly comprises a sliding block base body and a forming block, the sliding block base body is slidably mounted in the track, the forming block is detachably mounted on the sliding block base body, the wax mold forming cavity surface is arranged on the forming block, and the rotating column is fixed on the sliding block base body.

Wherein, a plurality of mounting holes are arranged on the slider substrate along the extension direction of the track, the rotating columns are arranged in any one of the mounting holes, the lower ends of the adjacent rotating columns can be slidably arranged in the same arc-shaped groove,

wherein, the column spinner bottom rotates installs and changes the cover, change cover slidable mounting in the arc wall, change the cover can along the arc wall slides.

The slider base body is provided with a plurality of positioning holes along the extending direction of the track, and the forming block can be arranged on any one of the positioning holes.

After the technical scheme is adopted, the beneficial effects of the utility model are that:

because the utility model discloses turbine mold's automatic unscrewing device, include: the base, the base circumference equipartition has along a plurality of tracks of radial extension, slidable mounting has a plurality of sliding block set spare respectively between two adjacent a plurality of tracks, the base lower part is provided with the flower disc, be provided with a plurality of circumference evenly distributed's arc wall on the flower disc, the direction of arc wall is according to the direction transition of gradually bursting at the seams, be provided with the column spinner between arc wall and the sliding block set spare, the column spinner upper end is fixed on the sliding block set spare, the column spinner lower extreme can slide in the arc wall, be provided with drive flower disc pivoted drive arrangement on the flower disc. . The utility model discloses a rotation of flower disc drives the flower disc rotation, and the arc wall of involute transition gives the column spinner thrust, and the column spinner drives the slider subassembly along the mould sinking of track direction, through setting up the arc wall of involute transition, can guarantee that most effort of flower disc acts on orbital extending direction to make the mould sinking of slider smooth and easy, improved the work efficiency in the operation process; through changing the atress of slider assembly in the die sinking process, make mould die sinking process steady, the transmission is accurate, the die sinking is efficient, and the die sinking angle is accurate, can reduce the product by a wide margin and be scrapped that the die sinking process warp and lead to.

Because the slide block component is arranged into a detachable split type structure consisting of the slide block base body and the forming block, for processing the impeller wax molds with different structure types, only the slide block forming block which is designed and manufactured in a matching way needs to be assembled to the slide block base body, so that the slide block base body can be recycled, the material cost for manufacturing the integral slide block in the prior art is greatly reduced, and the design and manufacturing period of the slide block is shortened; the formed block has a small integral structure, is convenient to process and manufacture, and further shortens the design and manufacture period of the die.

Because a plurality of mounting holes are formed in the sliding block base body along the extension direction of the rail, the upper ends of the rotating columns are mounted in any mounting hole, the lower ends of the adjacent rotating columns can be slidably mounted in the same arc-shaped groove, and the rotating columns in the same arc-shaped groove are arranged in a staggered manner, so that the sliding of the sliding block base bodies is controlled by one arc-shaped groove, the number of the arc-shaped grooves on the flower disc is reduced, and the design and manufacturing period of the die can be further shortened due to the large processing difficulty of the arc-shaped grooves; meanwhile, the number of the arc-shaped grooves is reduced, the strength of the flower disc is enhanced, and the service life of the flower disc is prolonged.

Because the rotating sleeve is installed in the rotating column bottom rotation, the rotating sleeve is installed in the arc-shaped groove in a sliding mode, the rotating sleeve can slide along the arc-shaped groove, the rotating column can run more smoothly in the arc-shaped groove, the die opening process of the die is stable, and the service life of the die is prolonged.

Because the slider base member is provided with a plurality of locating holes along the extension direction of the track, the shaping piece can be installed on arbitrary locating hole, through adjusting the mounted position of slider base member and shaping head, can adjust the diameter of mould inner chamber to make mould application range wider, the suitability is stronger.

To sum up, the utility model discloses turbine mold's automatic unscrewing device has solved the technical problem that the mould can not automatic die sinking among the prior art, the utility model discloses can realize that the mould is automatic to be slided out and closed, the die sinking is efficient and the angle is accurate, and processing cycle is short.

Drawings

Fig. 1 is a schematic structural view of a mold closing state of an automatic unscrewing device of a turbine mold according to the present invention;

fig. 2 is a schematic structural view of the mold opening state of the automatic unscrewing device of the turbine mold according to the present invention;

FIG. 3 is a schematic view of the faceplate, spin column and slider assembly connection;

FIG. 4 is a schematic view of the arrangement of the slider assemblies;

FIG. 5 is a rear view of the faceplate;

in the figure: 20. the sliding block assembly comprises a base 21, a rail 30, a sliding block assembly 31, a forming head 32, a sliding block base 321, a mounting hole 322, a positioning hole 33, a rotating column 331, a rotating sleeve 40, a flower disc 41, an arc-shaped groove 50 and a flower disc gear.

Detailed Description

The invention is further explained below with reference to the drawings and examples.

All the orientations referred to in the present specification are based on the orientations shown in the drawings, and only represent relative positional relationships, not absolute positional relationships.

The utility model provides an automatic unscrewing device of turbine mould, installs inside turbine fired mold mould, is the main component part of turbine fired mold mould, and turbine fired mold mould down includes apron, closing plate, last mould in proper order from last and the utility model discloses turbine mould's automatic unscrewing device. The device is installed on a wax pressing machine.

As shown in fig. 1, 2 and 4, an automatic unscrewing device of a turbo mold includes: the base 20, base 20 are middle hollow cylindrical, and the top surface circumference equipartition of base 20 has along radial a plurality of tracks 21 that extend, and track 21 is rectangular form, and track 21 runs through the top surface of base 20. A slider assembly 30 is slidably mounted between two adjacent rails 21. The slider assembly 30 includes a slider base 32 and a molded head 31. The slider base 32 is long, all the slider bases 32 have the same structure, the slider base 32 is installed in the rail 21, the slider base 32 is provided with a plurality of positioning holes 322 arranged along the extending direction of the rail 31, the forming block 31 is provided with a pin shaft (not shown) matched with the positioning holes 322, and the slider base 32 and the forming block 31 are fixed through the matching of the pin shaft and the positioning holes 322. The pin shaft is matched with the positioning hole 322, so that the installation is firmer and more reliable, and the assembly precision of the pin shaft and the positioning hole can be effectively improved. The bottom end of the forming block 31 is matched with the sliding block base body 32 through a pin shaft, the forming block 31 is provided with a wax mold forming cavity surface, and the forming cavity surface of the turbine is surrounded by the forming blocks 31.

As shown in fig. 3, 4 and 5, the bottom of the slider base 32 is further provided with a plurality of mounting holes 321 along the extending direction of the rail 31, internal threads are provided in the mounting holes 321, and the rotary columns 33 are screwed on the mounting holes 321. The lower part of the base 20 is provided with a flower disc 40, the flower disc 40 is provided with a plurality of arc-shaped grooves 41 which are uniformly distributed in the circumferential direction, the direction of the arc-shaped grooves 41 is transited according to the involute direction, and the arc-shaped grooves 41 are uniformly distributed on the flower disc 40 in a radial shape. The bottom end of the rotary column 33 is rotatably provided with a rotary sleeve 331, the rotary sleeve 331 is arranged in the corresponding arc-shaped groove 41, and the rotary sleeve 331 can slide along the arc-shaped groove 41. The lower ends of the adjacent rotating columns 33 can be slidably mounted in the same arc-shaped groove 41, and the rotating columns 33 in the same arc-shaped groove 41 are arranged in a staggered mode. In this embodiment, preferably thirty-five sliding blocks are provided to correspond to thirty-five rotating columns 33, and the faceplate 40 is provided with seventy arc-shaped slots 41, wherein sixteen arc-shaped slots 41 correspond to two rotating columns 33, and one arc-shaped slot corresponds to three rotating columns 33. The rotating column 33 is provided with three mounting holes 321, and the rotating columns 33 in the same arc-shaped groove 41 are screwed on the mounting holes at different positions, so that the rotating columns 33 in the same arc-shaped groove 41 are arranged in a staggered manner.

As shown in fig. 4 and 5, the faceplate 40 is provided with a driving device for driving the faceplate 40 to rotate. The utility model discloses preferred is fixed with colored dish gear 50 in colored dish 40 bottom. The faceplate gear 50 is in transmission connection with the wax-pressing machine gear, and the rotation of the faceplate 50 is controlled by the rotation of the wax-pressing machine gear.

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the work flow of the automatic unscrewing device of the turbine mold of the present invention is as follows:

the mold opening process comprises: the wax-pressing machine gear drives the disc gear 50 to rotate, the arc-shaped groove 41 of the disc gear 50 provides power for the rotating column 33 to push the rotating column 33 to slide outwards, the rotating column 33 pushes the sliding block assembly 30 to move outwards along the track 21, and the mold is opened.

A mold closing process: the wax-pressing machine gear rotates reversely to drive the disc gear 50 to rotate, the arc-shaped groove 41 of the disc gear 50 provides power for the rotating column 33 to push the rotating column 33 to slide inwards, the rotating column 33 pushes the sliding block assembly 30 to move inwards along the track 21, and the mold is closed.

The utility model discloses turbine mold's automatic unscrewing device is automatic unscrewed and closed has changed original manual work and has taken out cubic condition, and work efficiency improves greatly, and the mould commonality is strong moreover, and processing cycle is short, greatly reduced manufacturing cost.

The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative labor from the above conception, and all the changes fall within the protection scope of the present invention.

Claims (5)

1. An automatic unscrewing device of a turbine mold, comprising: the base, the base circumference equipartition has along radial a plurality of tracks that extend, slidable mounting has slider assembly in the track, the last wax matrix of being provided with of slider assembly takes shape the chamber surface, its characterized in that, the base lower part is provided with the flower disc, be provided with a plurality of circumference evenly distributed's arc wall on the flower disc, the arc wall with be provided with the column spinner between the slider assembly, the column spinner upper end is fixed on the slider assembly, column spinner sliding fit is in the arc wall, be provided with the drive on the flower disc pivoted drive arrangement.

2. The automatic unscrewing device for the turbine mold as defined in claim 1, wherein the slider assembly includes a slider base body slidably mounted in the rail, and a molding block detachably mounted on the slider base body, the wax-mold molding cavity surface being provided on the molding block, the rotary post being fixed on the slider base body.

3. The automatic unscrewing device for the turbine mold as defined in claim 2, wherein a plurality of mounting holes are provided in the slider base along the extending direction of the rail, the rotary posts are mounted in any one of the mounting holes, and the lower ends of the adjacent rotary posts are slidably mounted in the same arc-shaped groove.

4. The automatic unscrewing device for the turbine die as claimed in claim 1, wherein a rotating sleeve is rotatably mounted at the bottom end of the rotating column, the rotating sleeve is slidably mounted in the arc-shaped slot, and the rotating sleeve can slide along the arc-shaped slot.

5. The automatic unscrewing device for the turbo mold as claimed in claim 2, wherein a plurality of positioning holes are provided in the slider base body along the extending direction of the rail, and the molding block can be fitted to any of the positioning holes.

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