CN217529150U

CN217529150U - Sand scraping mechanism for sand shooting machine

Info

Publication number: CN217529150U
Application number: CN202221097280.9U
Authority: CN
Inventors: 刘成林
Original assignee: WEIFANG CHENGLIN FOUNDRY MACHINERY CO Ltd
Current assignee: WEIFANG CHENGLIN FOUNDRY MACHINERY CO Ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-10-04
Anticipated expiration: 2032-05-10

Abstract

The utility model provides a sand scraping mechanism for sand shooting machine, including sand scraping plate assembly and sand shooting machine bracket, sand scraping plate assembly installs on sand shooting machine bracket, sand scraping plate assembly includes the cylinder, the upper beam, the underbeam, guide shaft group and sand scraping head, the underbeam is arranged in the below and the underbeam and upper beam parallel arrangement of upper beam, the perpendicular fixed connection of guide shaft group is between upper beam and underbeam, the both sides of underbeam are provided with the brass cover respectively, sand scraping head rotates through the brass cover and connects in the below of underbeam, two springs are installed to sand scraping head's surface symmetry, the spring is the angle slope setting, the bottom fixed connection of the one end of two springs and underbeam, cylinder support frame is installed to the top surface of upper beam, the cylinder is connected with cylinder support frame, the flexible end fixedly connected with piston rod of cylinder, the piston rod runs through the upper beam and sand scraping head fixed connection. The utility model discloses a cylinder promotes the sand scraping head and extends, comes to pull back the sand scraping head through the spring when withdrawing the cylinder, reduces the cylinder and drops into, reduces and damages probability and maintenance cost.

Description

Sand scraping mechanism for sand shooting machine

Technical Field

The utility model relates to a casting equipment's technical field, more specifically are a sand scraping mechanism for sand shooting machine.

Background

The core shooting machine is used for uniformly shooting molding sand into a sand box for pre-compaction and then applying pressure for compaction, and is high-efficiency core-making technical equipment which is widely applied in the past, the core shooting machine technology is the most rapidly developed and technically optimal high-efficiency core-making technology, and the application of the core shooting machine core-making method in large-scale core making at present occupies a considerable share. The core making process has the advantages of hardening of the sand core at high temperature, high hardening speed, high core making efficiency, stable mold size, long service life, high size precision of the sand core, capability of producing complex workpieces and the like.

A small amount of gravel is scattered on the upper surface of the mold after the sand injection head adds the sand, if the sand injection head is not cleaned in time, the sealing performance is reduced when the sand core is blown, the sand core is not blown with the sand, and the yield of the sand core is reduced. The conventional processing mode has the manual work and uses the scraping plate to scrape sand and promote through two cylinders and scrape the sand head and carry out the sand scraping, because the space is limited, the sand scraping head need be folded, and the effect of a cylinder makes the sand scraping head part arrive the assigned position, and the effect of another cylinder makes the sand scraping head expand. The arrangement has high investment cost, high damage probability and increased maintenance cost. For this reason, a new scheme needs to be designed to give improvements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sand scraping mechanism for sand shooting machine has solved and has penetrated the sand head and can spill a little gravel after adding the sand on the mould, and the leakproofness descends when causing blowing amine, leads to the psammitolite to blow the unreal problem of amine, still reduces use cost simultaneously, satisfies the in-service use demand.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a sand scraping mechanism for sand shooting machine, includes sand scraping plate assembly and sand shooting machine bracket, sand scraping plate assembly installs on sand shooting machine bracket, sand scraping plate assembly includes cylinder, upper beam, underbeam, guide shaft group and sand scraping head, the underbeam is arranged in the below of upper beam and underbeam and upper beam parallel arrangement, the perpendicular fixed connection of guide shaft group is between upper beam and underbeam, the both sides of underbeam are provided with the brass cover respectively, sand scraping head passes through brass cover swivelling joint in the below of underbeam, two springs are installed to sand scraping head's surface symmetry, the spring is the angle slope setting, two the one end of spring and the bottom fixed connection of underbeam, the cylinder support frame is installed to the top surface of upper beam, the cylinder is connected with the cylinder support frame, the flexible end fixedly connected with piston rod of cylinder, the piston rod runs through the upper beam and sand scraping head fixed connection.

As a preferred mode of the utility model, two screws have been seted up to the surface symmetry of underbeam, guide shaft group is including the guide shaft that two symmetries set up, every the guide shaft lower extreme all sets up helicitic texture and is connected with the screw through helicitic texture.

As an optimized mode of the utility model, every the upper end of guide shaft all runs through the roof beam, every guide shaft and upper beam swing joint, the guide shaft upper cover is installed to the upper end of every guide shaft.

As an optimal mode of the utility model, the upper beam subplate is installed respectively to the both sides of upper beam, go up Liang Fuban level setting.

As a preferred mode of the utility model, the through-hole of being connected with guide shaft and piston rod is seted up respectively to the surperficial both sides and the middle part of upper beam, the equal swing joint of guide shaft and piston rod is in the through-hole that corresponds.

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

the utility model discloses, promote through a cylinder and scrape sand head and extend, come to scrape sand head pull-back through the spring when withdrawing the cylinder, reduce the cylinder and drop into, reduce and damage probability and maintenance cost.

Drawings

FIG. 1 is a connecting structure diagram of the sand scraping plate assembly and the sand shooting machine of the present invention;

FIG. 2 is a schematic view of the squeegee assembly of the present invention;

fig. 3 is a front view of the sand scraper assembly of the present invention.

In the figure: 1. upper Liang Fuban; 2. a cylinder support frame; 3. a guide shaft; 4. a lower beam; 5. a brass sleeve; 6. an upper beam; 7. a guide shaft upper cover; 8. a sand scraping head; 9. a wiper blade assembly; 10. a sand shooting machine bracket; 11. a piston rod; 12. a cylinder; 13. a spring.

Detailed Description

The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and the detailed description, so as to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b):

as shown in fig. 1-3, a sand scraping mechanism for a sand shooting machine comprises a sand scraping plate assembly 9 and a sand shooting machine bracket 10, wherein the sand scraping plate assembly 9 is installed on the sand shooting machine bracket 10, the sand scraping plate assembly 9 comprises a cylinder 12, an upper beam 6, a lower beam 4, a guide shaft group and a sand scraping head 8, the lower beam 4 is arranged below the upper beam 6, the lower beam 4 and the upper beam 6 are arranged in parallel, the guide shaft group is vertically and fixedly connected between the upper beam 6 and the lower beam 4, brass sleeves 5 are respectively arranged on two sides of the lower beam 4, the sand scraping head 8 is rotatably connected below the lower beam 4 through the brass sleeves 5, two springs 13 are symmetrically installed on the surface of the sand scraping head 8, the springs 13 are arranged in an inclined angle, one ends of the two springs 13 are fixedly connected with the bottom of the lower beam 4, a cylinder 12 supporting frame 2 is installed on the top surface of the upper beam 6, the cylinder 12 is connected with the supporting frame 2, a piston rod 11 is telescopically connected with the sand scraping head 8 through the upper beam 6. A single air cylinder 12 is used as pushing power, so that equipment investment is reduced, equipment complexity is reduced, and the use and maintenance are convenient.

Two screws have been seted up to the surface symmetry of underbeam 4, and guide shaft group is including the guide shaft 3 that two symmetries set up, and 3 lower extremes of every guide shaft all set up helicitic texture and are connected with the screw through helicitic texture, are convenient for install guide shaft 3 and dismantle.

The upper end of each guide shaft 3 penetrates through the upper beam 6, each guide shaft 3 is movably connected with the upper beam 6, and the upper end of each guide shaft 3 is provided with an upper cover of the guide shaft 3. The upper cover of the guide shaft 3 has a limiting effect, and when the guide shaft 3 is formed, the upper cover of the guide shaft 3 is contacted with the upper beam 6.

And the two sides of the upper beam 6 are respectively provided with an upper beam 6 auxiliary plate 1, and the upper beam 6 auxiliary plate 1 is horizontally arranged. Upper Beam 6 the sub-panel 1 may secure the upper beam 6 to the sander.

Through holes connected with the guide shaft 3 and the piston rod 11 are respectively formed in the two sides and the middle of the surface of the upper beam 6, and the guide shaft 3 and the piston rod 11 are movably connected into the corresponding through holes.

The utility model discloses when using, the sand scraping plate assembly 9 is fixed on shooting sand head right side, after shooting sand and accomplishing, the pressure head is carried the mould and is risen, sand scraping plate cylinder 12 promotes and scrapes sand head 8, underbeam 4 and guiding axle 3 downstream, scrape sand head 8 and do not expand under spring 13's effect this moment, cylinder 12 has overcome spring 13 pulling force and has continued to push away and scrape sand head 8 and remove when the stroke of guiding axle 3 has been walked this moment, scrape sand head 8 and rotate the stroke until arriving cylinder 12 around brass sheath 5 center, the sand scraping plate opens the completion completely and takes one's place this moment, along with bracket hydro-cylinder removes the sand above the mould left, after treating bracket hydro-cylinder arrival assigned position, cylinder 12 stimulates and scrapes sand head 8 upward movement and accomplishes the shrink around brass sheath 5 center rotation under spring 13's the effect, later pulling scrapes sand head 8, guiding axle 3 and underbeam 4 get back to the initial position. Then, the next circulation is carried out after the bracket oil cylinder is reset rightwards.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being 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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a sand scraping mechanism for sand shooting machine which characterized in that: including sand scraping plate assembly (9) and penetrate sand machine bracket (10), sand scraping plate assembly (9) are installed on penetrating sand machine bracket (10), sand scraping plate assembly (9) are including cylinder (12), upper beam (6), underbeam (4), guide shaft group and sand scraping head (8), underbeam (4) are arranged in the below of upper beam (6) and underbeam (4) and upper beam (6) parallel arrangement, the perpendicular fixed connection of guide shaft group is between upper beam (6) and underbeam (4), the both sides of underbeam (4) are provided with brass cover (5) respectively, sand scraping head (8) rotate through brass cover (5) and connect in the below of underbeam (4), the surface symmetry of sand scraping head (8) installs two springs (13), spring (13) are the angle slope and set up, two the one end of spring (13) and the bottom fixed connection of underbeam (4), the top surface of upper beam (6) is installed cylinder (12), support frame (12) and cylinder (12) fixed connection are connected with cylinder (11), piston rod (11) and telescopic connection (11).

2. The sand scraping mechanism for the sand shooter according to claim 1, wherein: two screw holes are symmetrically formed in the surface of the lower beam (4), the guide shaft group comprises two guide shafts (3) which are symmetrically arranged, and each guide shaft (3) is provided with a threaded structure at the lower end and is connected with the screw holes through the threaded structure.

3. The sand scraping mechanism for the sand shooter according to claim 2, wherein: every the upper end of guide shaft (3) all runs through upper beam (6), every guide shaft (3) and upper beam (6) swing joint, guide shaft (3) upper cover is installed to the upper end of every guide shaft (3).

4. The sand scraping mechanism for the sand shooter according to claim 1, wherein: and the two sides of the upper beam (6) are respectively provided with an upper beam (6) auxiliary plate (1), and the upper beam (6) auxiliary plates (1) are horizontally arranged.

5. The mechanism of claim 3, further comprising: through holes connected with the guide shaft (3) and the piston rod (11) are respectively formed in the two sides and the middle of the surface of the upper beam (6), and the guide shaft (3) and the piston rod (11) are movably connected into the corresponding through holes.