CN216324924U

CN216324924U - Reducing mechanism is used in tectorial membrane sand production convenient to maintenance

Info

Publication number: CN216324924U
Application number: CN202122660347.7U
Authority: CN
Inventors: 方盛旭
Original assignee: Zhangwu Dexin Sand Industry Co ltd
Current assignee: Zhangwu Dexin Sand Industry Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-04-19
Anticipated expiration: 2031-11-02

Abstract

The utility model relates to the technical field of precoated sand, in particular to a crushing device for producing precoated sand, which is convenient to maintain and comprises a main body, a base and a fixed plate, wherein the front end and the rear end of the main body are fixedly connected with the fixed plate, the upper end of the inner side of the fixed plate is spirally connected with a threaded rod, the bottom end of the threaded rod is rotatably connected with a pushing block, the pushing block is connected with the fixed plate in a sliding manner, through the arranged fixed plate, an electric telescopic rod, a gasket, a clamping block and a limiting rod, when in use, the baffle is pulled first, the limiting rod on the baffle extrudes a second spring in the pushing block, the threaded rod in the fixed plate is rotated, the pushing block slides in the fixed plate, the elastic range of the first spring is controlled, the clamping block on the baffle is clamped in the fixed plate through the elastic force of the second spring, when in maintenance, the electric telescopic rod pushes a support plate, the gasket on the support plate is supported with the base, the threaded rod is reversely rotated, uplift the main part, the distance maximize between main part and the base, the convenience is maintained reducing mechanism, and it is more convenient to maintain.

Description

Reducing mechanism is used in tectorial membrane sand production convenient to maintenance

Technical Field

The utility model relates to the technical field of precoated sand, in particular to a crushing device for precoated sand production, which is convenient to maintain.

Background

The surface of the sand grain of the precoated sand is coated with a layer of molding sand or core sand of solid resin film before modeling, there are two kinds of precoating processes of cold method and hot method, the cold method uses ethanol to dissolve resin, and add urotropine in the course of mixing sand, make the two coat the surface of sand grain, ethanol volatilizes, get precoated sand, the hot method preheats the sand to certain temperature, add resin to make it melt, stir to make the resin coat the surface of sand grain, add urotropine aqueous solution and lubricant, cool, break, screen and get the precoated sand, is used for steel casting, cast iron.

Most reducing mechanism for precoated sand production when using, damage the back, need disassemble reducing mechanism for precoated sand production, the structure is more complicated, then maintains the vulnerable part in the reducing mechanism for precoated sand production, and inconvenient maintenance is very troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a crushing device for precoated sand production, which is convenient to maintain and aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a reducing mechanism is used in tectorial membrane sand production convenient to maintenance, includes main part, base and fixed plate, the equal fixedly connected with fixed plate in both ends around the main part, the inboard upper end screwed connection of fixed plate has the threaded rod, the threaded rod bottom is rotated and is connected with the ejector pad, ejector pad and fixed plate sliding connection, the inboard bottom sliding connection of fixed plate has first spring, first spring and fixed plate sliding connection, first spring bottom fixedly connected with bracing piece, bracing piece and fixed plate sliding connection, bracing piece and base fixed connection.

Preferably, the equal sliding connection gag lever post in both ends about the ejector pad inboard, gag lever post extrasurvey sliding connection has the second spring, second spring and ejector pad sliding connection, the other end outside fixedly connected with baffle of gag lever post, baffle and ejector pad sliding connection, baffle and fixed plate sliding connection, the equal fixedly connected with fixture block in both ends around the baffle is close to the one end at fixed plate center.

Preferably, the upper end surface of the clamping block is in a trapezoidal shape, and the clamping block is in sliding connection with the fixing plate.

Preferably, the equal fixedly connected with electric telescopic handle in both ends about main part front end lower extreme, electric telescopic handle bottom fixedly connected with backup pad, backup pad bottom fixedly connected with gasket.

Preferably, the number of the fixing plates is four, and the fixing plates are uniformly distributed on the outer side of the main body.

Preferably, both ends all are equipped with the recess about the fixed plate inboard, and the recess is located the fixed plate upper end.

Preferably, the upper end surface of the push block is concave, the front end and the rear end of the push block are rotatably connected with balls, and the balls are rotatably connected with the fixed plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. in the utility model, through the arrangement of the fixed plate, the electric telescopic rod, the gasket, the fixture block and the limiting rod, when in use, the baffle plate is pulled first, the limiting rod on the baffle plate extrudes the second spring in the push block, then the threaded rod in the fixed plate is rotated to drive the push block to slide in the fixed plate, the friction force between the push block and the fixed plate is reduced through the ball, then the push block extrudes the first spring, so that the first spring pushes the support rod on the base, thereby controlling the elastic force range of the first spring, then the baffle plate is loosened after the push block reaches a proper position, the fixture block on the baffle plate is clamped into the fixed plate through the elastic force of the second spring, when in maintenance, the electric telescopic rod pushes the support plate, so that the gasket on the support plate is supported with the base, the threaded rod is rotated reversely, the main body is lifted, and the distance between the main body and the base is maximized, the inside of the smashing device is conveniently maintained, and the smashing device is more convenient to maintain.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the mounting structure of the push block of the present invention;

fig. 3 is a schematic view of the installation structure of the baffle plate of the utility model.

In the figure: 1-main part, 2-base, 3-fixed plate, 4-threaded rod, 5-push block, 6-first spring, 7-support rod, 8-baffle, 9-second spring, 10-electric telescopic rod, 11-support plate, 12-gasket, 13-clamping block, 14-limiting rod and 15-ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a reducing mechanism is used in tectorial membrane sand production convenient to maintenance, including main part 1, base 2 and fixed plate 3, the equal fixedly connected with fixed plate 3 in both ends around main part 1, 3 inboard upper end screwed connection of fixed plate has threaded rod 4, 4 bottoms of threaded rod are rotated and are connected with ejector pad 5, ejector pad 5 and 3 sliding connection of fixed plate, 3 inboard bottom sliding connection of fixed plate have first spring 6, first spring 6 and 3 sliding connection of fixed plate, 6 bottom fixedly connected with bracing pieces 7 of first spring, bracing piece 7 and 3 sliding connection of fixed plate,

bracing piece

7 and 2 fixed connection of base.

The left end and the right end of the inner side of the push block 5 are respectively connected with a limiting rod 14 in a sliding manner, the outer side of the limiting rod 14 is connected with a second spring 9 in a sliding manner, the second spring 9 is connected with the push block 5 in a sliding manner, the outer side of the other end of the limiting rod 14 is fixedly connected with a baffle plate 8, the baffle plate 8 is connected with the push block 5 in a sliding manner, the front end and the rear end of one end, close to the center of the fixed plate 3, of the baffle plate 8 are respectively and fixedly connected with a clamping block 13, the threaded rod 4 is prevented from being reversed, the stability of the push block 5 is improved, the upper end of the clamping block 13 is in a trapezoidal arrangement, the clamping block 13 is connected with the fixed plate 3 in a sliding manner, the push block 5 is conveniently fixed on the fixed plate 3, the left end and the right end of the lower end of the front end of the main body 1 are respectively and fixedly connected with an electric telescopic rod 10, the bottom end of the electric telescopic rod 10 is fixedly connected with a supporting plate 11, the bottom end of the supporting plate 11 is fixedly connected with a gasket 12, the supporting plate 11 and the base 2, the noise generated is reduced, and the fixed plate 3 is four, and fixed plate 3 evenly distributed is in the main part 1 outside, the convenience supports main part 1, both ends all are equipped with the recess about fixed plate 3 inboard, and the recess is located fixed plate 3 upper end, carry on spacingly to first spring 6 in fixed plate 3, can control first spring 6's elasticity scope, the concave setting is personally submitted to the upper end of ejector pad 5, and both ends are all rotated around ejector pad 5 and are connected with ball 15, ball 15 rotates with fixed plate 3 to be connected, reduce the frictional force between ejector pad 5 and the fixed plate 3.

The working process is as follows: when the device is used, the baffle plate 8 is pulled firstly, the limiting rod 14 on the baffle plate 8 extrudes the second spring 9 in the push block 5, then the threaded rod 4 in the fixed plate 3 is rotated, the threaded rod 4 drives the push block 5 to slide in the fixed plate 3, the friction force between the push block 5 and the fixed plate 3 is reduced through the ball 15, then the push block 5 extrudes the first spring 6, so that the first spring 6 pushes the support rod 7 on the base 2, thereby controlling the elastic force range of the first spring 6, then the baffle plate 8 is loosened after the push block 5 reaches a proper position, the clamping block 13 on the baffle plate 8 is clamped into the fixed plate 3 through the elastic force of the second spring 9, when in maintenance, the support plate 11 is pushed through the electric telescopic rod 10, the gasket 12 on the support plate 11 is supported with the base 2, the threaded rod 4 is rotated reversely, and the main body 1 is lifted, the distance between the main body 1 and the base 2 is maximized, the maintenance of the interior of the main body 1 is facilitated, and the maintenance is more convenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. The utility model provides a reducing mechanism is used in tectorial membrane sand production convenient to maintenance, includes main part (1), base (2) and fixed plate (3), its characterized in that: the utility model discloses a novel fixing device for the automobile seat, including main part (1), the equal fixedly connected with fixed plate in both ends (3) around main part (1), fixed plate (3) inboard upper end spiral connection has threaded rod (4), threaded rod (4) bottom is rotated and is connected with ejector pad (5), ejector pad (5) and fixed plate (3) sliding connection, fixed plate (3) inboard bottom sliding connection has first spring (6), first spring (6) and fixed plate (3) sliding connection, first spring (6) bottom fixedly connected with bracing piece (7), bracing piece (7) and fixed plate (3) sliding connection, bracing piece (7) and base (2) fixed connection.

2. The crushing device convenient to maintain and used for precoated sand production according to claim 1, is characterized in that: equal sliding connection gag lever post (14) in both ends about ejector pad (5) inboard, gag lever post (14) extramural sliding connection has second spring (9), second spring (9) and ejector pad (5) sliding connection, the other end outside fixedly connected with baffle (8) of gag lever post (14), baffle (8) and ejector pad (5) sliding connection, baffle (8) and fixed plate (3) sliding connection, the equal fixedly connected with fixture block (13) in both ends around baffle (8) is close to the one end at fixed plate (3) center.

3. The crushing device convenient to maintain and used for precoated sand production according to claim 2, is characterized in that: the upper end surface of the clamping block (13) is in a trapezoidal arrangement, and the clamping block (13) is in sliding connection with the fixing plate (3).

4. The crushing device convenient to maintain and used for precoated sand production according to claim 1, is characterized in that: equal fixedly connected with electric telescopic handle (10) in both ends about main part (1) front end lower extreme, electric telescopic handle (10) bottom fixedly connected with backup pad (11), backup pad (11) bottom fixedly connected with gasket (12).

5. The crushing device convenient to maintain and used for precoated sand production according to claim 1, is characterized in that: the number of the fixing plates (3) is four, and the fixing plates (3) are uniformly distributed on the outer side of the main body (1).

6. The crushing device convenient to maintain and used for precoated sand production according to claim 1, is characterized in that: both ends all are equipped with the recess about fixed plate (3) inboard, and the recess is located fixed plate (3) upper end.

7. The crushing device convenient to maintain and used for precoated sand production according to claim 1, is characterized in that: the upper end surface of the push block (5) is concave, the front end and the rear end of the push block (5) are respectively connected with a ball (15) in a rotating mode, and the balls (15) are rotatably connected with the fixed plate (3).