CN214399526U

CN214399526U - Pneumatic psammitolite hoist frock

Info

Publication number: CN214399526U
Application number: CN202120391955.XU
Authority: CN
Inventors: 李江利; 刘壮壮; 刘树阁; 高淑新; 张巍; 纪玉景; 梅毅
Original assignee: Qingdao Qingte Casting Co ltd
Current assignee: Qingdao Qingte Casting Co ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-10-15
Anticipated expiration: 2031-02-23

Abstract

The utility model discloses a pneumatic psammitolite hoist frock, this frock belong to casting trade and to the relevant technical field of core under the great box psammitolite hoist and mount of weight. The tool comprises a cylinder, a hanging plate, a fixing sleeve, a connecting rod, an expansion sleeve, a guide rod, a hanging ring and a pneumatic reversing valve. Rings, three cylinder, pneumatic switching-over valve are located the hanger plate top, and three fixed cover is located the hanger plate bottom, and cylinder and fixed cover one-to-one are located the upper end of the inside connecting rod of fixed cover and are connected with the inside piston rod of cylinder, and the locating pin passes the hole of the inside cavity both sides of connecting rod, fixes the lower extreme at fixed cover with the upper end of guide bar, and the cover that rises has been cup jointed in the guide bar outside. The lower end of the guide rod is inserted into the sand core positioning hole, the air cylinder is controlled through the pneumatic reversing valve to drive the connecting rod to compress the expansion sleeve, the sand core positioning hole is tightly supported, the lifting ring is lifted by the 4S-shaped lifting hook, the sand core is lifted, the tool is simple to operate and large in bearing quality, the labor intensity and the positioning error are reduced, and the product quality and the production efficiency are improved.

Description

Pneumatic psammitolite hoist frock

Technical Field

The utility model belongs to the technical field of the casting trade is to the core is down hoisted to the great box psammitolite of weight relevant, concretely relates to pneumatic psammitolite hoist frock.

Background

In the casting industry at present, the requirement on the dimensional accuracy of box castings is higher and higher. In production, when a box body sand core is put into a box body, large-sized core setting machine clamps and clamping fixtures cannot be effectively used due to the defects of high investment, slow cost recovery and the like, and therefore the positioning precision of the sand core becomes an important factor for ensuring the dimensional precision of a casting. Some sand cores rely on the manual work to carry out core setting positioning because the shape difference is great, and the influence of the unequal factor of core head design, sometimes can have positioning error, and core quality under the inspection through examining the utensil, wastes time and energy. Aiming at the situation, the tool for the sand core lifting tool with the advantages of rapid clamping and accurate positioning is designed to effectively solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pneumatic psammitolite hoist frock, this frock can reduce because of the artifical psammitolite positioning error that the core caused down, can improve the quality of product and the efficiency of production greatly in large-scale production.

The above object of the present invention can be achieved by the following technical solutions:

a pneumatic sand core lifting tool comprises a cylinder, a lifting plate, a fixed sleeve, a connecting rod, a positioning pin, an expansion sleeve, a guide rod, a lifting ring, a pneumatic reversing valve and a pneumatic switch handle;

the lifting plate is horizontally arranged, the top of the lifting plate is detachably connected with a lifting ring, the top of the lifting plate is detachably connected with a plurality of cylinders, a piston rod is arranged in each cylinder, the top of the lifting plate is detachably connected with a pneumatic reversing valve, a pneumatic switch handle is arranged at the top of the pneumatic reversing valve, the pneumatic reversing valve is connected with each cylinder through a pipeline, the pneumatic reversing valve is connected with an air source through a pipeline, the air source provides air pressure for the pneumatic reversing valve, and the pneumatic reversing valve can control each cylinder;

the bottom of the hanging plate is detachably connected with a plurality of fixed sleeves, one air cylinder corresponds to the upper part of each fixed sleeve, a connecting rod is arranged in each fixed sleeve, the connecting rod is vertically arranged in each fixed sleeve, the upper end of the connecting rod is detachably connected with the end part of a piston rod positioned in the air cylinder above the connecting rod through a bolt, a cavity with a downward opening is formed in the connecting rod, and holes are formed in the left side and the right side of the cavity in the connecting rod;

the upper end of guide bar is located in the inside cavity of connecting rod, the cover that rises has been cup jointed in the outside of guide bar, the locating pin is followed the outside level of fixed cover lower extreme passes the hole of the connecting rod left and right sides will the upper end of guide bar is fixed the lower extreme of fixed cover, the radial height of locating pin is less than the vertical height of two side openings about the connecting rod.

The preferred scheme is as follows:

preferably: the hanging plate is detachably connected with the hanging ring through bolts.

Preferably: the number of the cylinders and the fixed sleeves is three.

Preferably: each cylinder all with the hanger plate passes through the screw rod and can dismantle the connection.

Preferably: the shape of guide bar is the cylinder, the bottom of guide bar is "T" shape of invering, the cover that rises has been cup jointed in the outside of guide bar cylinder, the diameter of guide bar cylinder is less than the diameter of connecting rod.

To sum up, the utility model discloses following beneficial effect has:

this frock is small, it is nimble convenient, adopt pneumatic structure, the operation is thus simple, rings in this frock hang with the help of 4S line, insert the guide bar that the cover that rises that cup joints three in this frock in the three cylinder locating holes that the box psammitolite corresponds, the piston rod in the cylinder drives the connecting rod downstream compression cover that rises, the cover that rises is compressed the back, the volume expansion, thereby prop up the cylinder locating hole of psammitolite, the ring is lived to 4S line lifting hooks of operation, the hoisting psammitolite, carry out subsequent core operation down, greatly reduced the intensity of labour of manpower transport, and this frock clamping mode is simple, the location is accurate, it is convenient to dismantle the equipment, the bearing quality is big, greatly reduced because of artifical core positioning error that causes down, product quality and production efficiency have been improved.

Drawings

FIG. 1 is a schematic structural view in the example;

FIG. 2 is a left side view of FIG. 1;

fig. 3 is a top view of fig. 1.

In the figure, 1, cylinder; 2. a hanger plate; 3. fixing a sleeve; 4. a connecting rod; 5. positioning pins; 6. expanding sleeves; 7. a guide bar; 8. a hoisting ring; 9. a pneumatic directional control valve; 10. a pneumatic switch handle.

Detailed Description

The utility model discloses according to simple easy-to-use, alleviate intensity of labour, improve principles such as labor efficiency to make this frock have the characteristics of the high accuracy and easily operation. 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.

In which like parts are designated by like reference numerals. It should be noted that the terms "upper", "lower", "inner", "outer", "bottom", and "top" used in the following description refer to directions in the drawings, but are not limited thereto.

As shown in fig. 1-3, a pneumatic sand core lifting tool comprises an air cylinder 1, a lifting plate 2, a fixing sleeve 3, a connecting rod 4, a positioning pin 5, an expansion sleeve 6, a guide rod 7, a lifting ring 8, a pneumatic reversing valve 9 and a pneumatic switch handle 10, wherein the number of the air cylinder 1, the fixing sleeve 3, the connecting rod 4, the positioning pin 5, the expansion sleeve 6 and the guide rod 7 is three. The arrangement shapes of the cylinder 1 and the fixed sleeve 3 can be changed according to different positions of the cylindrical positioning holes of sand cores of different models. The hanging plate 2 is horizontally placed, the top of the hanging plate 2 is detachably connected with a hanging ring 8 through a bolt, the top of the hanging plate 2 is detachably connected with a pneumatic reversing valve 9, the top of the pneumatic reversing valve 9 is provided with a pneumatic switch handle 10, the pneumatic reversing valve 9 is connected with an air source through a pipeline, the air source provides air pressure for the pneumatic reversing valve 9, the top of the hanging plate 2 is detachably connected with an air cylinder 1 through a screw rod, the inside of each air cylinder 1 is provided with a piston rod, the three air cylinders 1 are all connected with the pneumatic reversing valve 9 through pipelines, the three air cylinders 1 are controlled by the pneumatic reversing valve 9, the bottom of the hanging plate 2 is detachably connected with a fixed sleeve 3, the upper part of each fixed sleeve 3 corresponds to one air cylinder 1, the inside of each fixed sleeve 3 is provided with a connecting rod 4, the connecting rod 4 is vertically placed in each fixed sleeve 3, the upper end of the connecting rod 4 is detachably connected with the end part of the piston rod in the air cylinder 1 above through a bolt, the inside of connecting rod 4 is provided with the decurrent cavity of opening, the left and right sides of the inside cavity of connecting rod 4 all sets up porosely, the shape of guide bar 7 is the cylinder, the bottom of guide bar 7 cylinder is "T" shape of invering, the upper end of guide bar 7 is arranged in the inside cavity of connecting rod 4, the hole of the outside level of connecting rod 4 left and right sides is passed from fixed cover 3 lower extreme to locating pin 5, fix the lower extreme at fixed cover 3 with the upper end of guide bar 7, the radial height of locating pin 5 is less than the vertical height of connecting rod 4 left and right sides hole, cover 6 that rises has been cup jointed in the outside of guide bar 7 cylinder, the diameter of guide bar 7 cylinder is less than the diameter of the inside cavity of connecting rod 4, the material of cover 6 that rises is rubber.

The specific implementation process comprises the following steps:

when the tool is used, the sand core needs to be stably placed into the sand mold by means of 4S line hoisting. When the sand core lifting tool is used, a sand core is placed on the lifting tool, then guide rods 7 sleeved with expansion sleeves 6 in three positions in the tool are inserted into three corresponding cylindrical positioning holes of the sand core, a pneumatic switch handle 10 at the top of a pneumatic reversing valve 9 is operated, a piston rod in an air cylinder 1 drives a connecting rod 4 to move up and down, the connecting rod 4 moves down to compress the expansion sleeves 6, the expansion sleeves 6 expand in volume after being compressed, the rubber material outer surfaces of the expansion sleeves 6 are in contact with the inner parts of the cylindrical positioning holes of the sand core, the expansion sleeves 6 tightly support the cylindrical positioning holes of the sand core by means of increased friction between the expansion sleeves and the cylindrical positioning holes of the sand core, at the moment, the lifting tool is operated for 4S to hook lifting rings 8, the sand core is lifted from the lifting tool, and the sand core is stably placed into a sand mold; the pneumatic switch handle 10 at the top of the pneumatic reversing valve 9 is operated, the piston rod in the cylinder 1 drives the connecting rod 4 to move upwards, the expansion sleeve 6 automatically resets by means of the elasticity of rubber, the size is reduced, the outer surface of the expansion sleeve 6 is separated from the positioning hole of the sand core cylinder, the tool is separated from the sand core, and the core setting operation is completed.

This frock convenient to use, when lower core, to colliding with of psammitolite and the inaccurate risk of potential artifical positioning accuracy when having avoided artifical transport, save the labour to the at utmost, improve work efficiency. Simultaneously, can also improve the quality of product, the later stage can newly-increased locating lever in advance, further improves the positioning accuracy of lower core.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any person skilled in the art may, using the above disclosure, make changes or modifications to the disclosed technical content, and consider equivalent embodiments with equivalent changes. However, any simple modification to the above embodiments according to the technical substance of the present invention, equivalent changes and modifications, still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a pneumatic psammitolite hoist frock which characterized in that: comprises a cylinder (1), a hanging plate (2), a fixed sleeve (3), a connecting rod (4), a positioning pin (5), an expansion sleeve (6), a guide rod (7), a hanging ring (8), a pneumatic reversing valve (9) and a pneumatic switch handle (10);

the hanging plate (2) is horizontally placed, the top of the hanging plate (2) is detachably connected with a hanging ring (8), the top of the hanging plate (2) is detachably connected with a plurality of cylinders (1), a piston rod is arranged inside each cylinder (1), the top of the hanging plate (2) is detachably connected with a pneumatic reversing valve (9), a pneumatic switch handle (10) is arranged at the top of the pneumatic reversing valve (9), the pneumatic reversing valve (9) is connected with each cylinder (1) through a pipeline, the pneumatic reversing valve (9) is connected with an air source through a pipeline, the air source provides air pressure for the pneumatic reversing valve (9), and each cylinder (1) can be controlled by the pneumatic reversing valve (9);

the bottom of the hanging plate (2) is detachably connected with a plurality of fixing sleeves (3), the upper part of each fixing sleeve (3) corresponds to one air cylinder (1), a connecting rod (4) is arranged inside each fixing sleeve (3), the connecting rod (4) is vertically arranged inside each fixing sleeve (3), the upper end of the connecting rod (4) is detachably connected with the end part of a piston rod inside the air cylinder (1) above the connecting rod through a bolt, a cavity with a downward opening is arranged inside the connecting rod (4), and holes are formed in the left side and the right side of the cavity inside the connecting rod (4);

the upper end of guide bar (7) is located in the inside cavity of connecting rod (4), the cover (6) that rises has been cup jointed in the outside of guide bar (7), locating pin (5) are followed the outside level of fixed cover (3) lower extreme passes the hole of the connecting rod (4) left and right sides will the upper end of guide bar (7) is fixed the lower extreme of fixed cover (3), the radial height of locating pin (5) is less than the vertical height of two side openings about connecting rod (4).

2. The pneumatic sand core lifting tool according to claim 1, characterized in that: the hanging plate (2) and the hanging ring (8) are detachably connected through bolts.

3. The pneumatic sand core lifting tool according to claim 1, characterized in that: the number of the cylinders (1) and the number of the fixed sleeves (3) are three.

4. The pneumatic sand core lifting tool according to claim 1, characterized in that: each air cylinder (1) is detachably connected with the hanging plate (2) through a screw rod.

5. The pneumatic sand core lifting tool according to claim 1, characterized in that: the shape of guide bar (7) is the cylinder, the bottom of guide bar (7) is "T" shape of invering, the outside of guide bar (7) cylinder has cup jointed rise cover (6), the diameter of guide bar (7) cylinder is less than the diameter of connecting rod (4) inner cavity.