CN211803687U

CN211803687U - Sand core placing device

Info

Publication number: CN211803687U
Application number: CN201922457024.0U
Authority: CN
Inventors: 胡建波
Original assignee: Shunping Zhenchuang Electromechanical Equipment Manufacturing Co ltd
Current assignee: Shunping Zhenchuang Electromechanical Equipment Manufacturing Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-30
Anticipated expiration: 2029-12-31

Abstract

A sand core placement device comprising: a control device; a rectangular bracket; a lower core plate; a first guide structure and a second guide structure; the first driving device is used for driving the lower core plate to reciprocate along the first direction, and the second driving device is used for driving the lower core plate to reciprocate along the second direction; the control device controls the first driving device and/or the second driving device to control the movement of the lower core plate; at least one of the first and second drive means comprises an electric cylinder. All the movement uniform speeds are accurate, safe and controllable, and the device has the advantages of simple structure and low maintenance cost and is beneficial to batch production.

Description

Sand core placing device

Technical Field

The utility model relates to a transmission machinery field, especially a psammitolite placer.

Background

After the molding sand is extruded and formed by a molding machine, a sand core needs to be placed into the sand mold, and then the mold is closed to finish pouring.

To this kind of problem, the device of automatic psammitolite has been proposed among the present prior art, and it realizes accurate control through set up guide structure and drive structure and combine the sensor device on the psammitolite placer, realizes the automation of psammitolite and places.

However, in practice, it is found that in the existing automatic sand core placing device, the precision is poor, the control on the sand core placing position is not accurate, and the situation of large error can occur, although the speed and the efficiency are improved to a certain extent compared with the manual core setting, the control precision is inferior to the manual core setting, and the core setting precision still needs to be improved.

The hydraulic or pneumatic driving mode is generally adopted in the market, the control precision is low, the structure is complex, the movement noise is high, the service life of easily-damaged parts is short, and the maintenance and manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a psammitolite placer to solve above-mentioned problem.

Based on this, the utility model provides a psammitolite placer, include:

a control device;

a rectangular bracket;

a lower core plate;

the first guide structure is arranged on the rectangular support along a first direction of the rectangular support, and the lower core plate can reciprocate relative to the rectangular support along the first direction; the second guide structure is arranged on the first guide structure along a second direction of the rectangular support, and the lower core plate can move back and forth relative to the rectangular support along the second direction;

the first driving device is used for driving the lower core plate to reciprocate along the first direction, and the second driving device is used for driving the lower core plate to reciprocate along the second direction;

the control device controls the first driving device and/or the second driving device to control the movement of the lower core plate;

at least one of the first and second drive means comprises an electric cylinder.

The connecting part is connected with the rectangular bracket and can reciprocate along the first guide structure;

a first end of the first driving device is fixed on the rectangular support, a second end of the first driving device, opposite to the first end, is fixed on the connecting part, and the connecting part is driven to move back and forth along the first direction of the rectangular support;

the lower core plate is connected with the connecting part through the second guide structure, a first end of the second driving device is fixed on the connecting part, and a second end, opposite to the first end, of the second driving device is fixed on the lower core plate and drives the lower core plate to reciprocate along the second direction of the rectangular support.

Furthermore, the stroke of the rectangular support in the first direction is greater than the stroke of the rectangular support in the second direction, the first driving device is a servo motor, and the second driving device is an electric cylinder.

The position sensor is arranged on at least one of the first guide structure and the second guide structure and is connected with the control device, and the control device controls the first driving device and the second driving device to be opened and closed according to the position of the lower core plate transmitted by the position sensor.

Further, a vacuum generating assembly is further installed on the rectangular support assembly, and the vacuum generating assembly enables vacuum to be generated in the lower core frame to adsorb the sand core.

The utility model adopts the electric cylinder structure for driving, can control the moving precision within 0.01 mm, increases the moving speed by 200 mm/s, and greatly improves the production efficiency;

the movement noise is reduced by 40 minutes, and the working environment is improved;

all adopt general standardized module production in the market, simple structure, reduce cost.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 and 2 are schematic diagrams of an embodiment of the present invention.

Detailed Description

The technical solution of the present invention is further described in detail through the attached drawings.

Fig. 1 and 2 are schematic views of a conveying device according to an embodiment of the present invention. The utility model provides a psammitolite placer, include:

a control device;

a rectangular bracket 1;

a lower core plate 2;

a first guide structure 3 and a second guide structure 4, the first guide structure 3 being disposed on the rectangular support 1 in a first direction of the rectangular support 1, the lower core plate 2 being capable of reciprocating relative to the rectangular support 1 in the first direction; the second guide structure 4 is arranged on the first guide structure 3 along a second direction of the rectangular support 1, and the lower core plate 2 can move back and forth relative to the rectangular support 1 along the second direction;

a first driving device 5 and a second driving device 6, wherein the first driving device 5 is used for driving the lower core plate 2 to move back and forth along the first direction, and the second driving device 6 is used for driving the lower core plate 2 to move back and forth along the second direction;

the control means controls the first drive means 5 and/or the second drive means 6 to control the movement of the lower core plate 2;

at least one of the first and second drive means 5, 6 comprises an electric cylinder.

In one embodiment, the device further comprises a connecting part 7, wherein the connecting part 7 is connected with the rectangular bracket 1 and can reciprocate along the first guide structure 3;

a first end of the first driving device 5 is fixed on the rectangular bracket 1, a second end of the first driving device 5 opposite to the first end is fixed on the connecting part 7, and the connecting part 7 is driven to move back and forth along the first direction of the rectangular bracket 1;

the lower core plate 2 is connected with the connecting part 7 through the second guide structure 4, a first end of the second driving device 6 is fixed on the connecting part 7, a second end, opposite to the first end, of the second driving device 6 is fixed on the lower core plate 2, and the lower core plate 2 is driven to reciprocate along the second direction of the rectangular support 1.

In one embodiment, the stroke of the rectangular bracket 1 in the first direction is greater than the stroke of the rectangular bracket 1 in the second direction, the first driving device 5 is a servo motor, and the second driving device 6 is an electric cylinder.

In one embodiment, a position sensor 8 is included, said position sensor 8 being adapted to detect the position of said lower core 2 with respect to said rectangular support 1, said position sensor 8 being located on at least one of said first guide structure 3 and said second guide structure 4, said position sensor 8 being connected to said control means, said control means controlling the opening and closing of said first drive means 5 and said second drive means 6 in accordance with the position of said lower core 2 as transmitted by said position sensor 8.

In one embodiment, the rectangular bracket 1 assembly is also provided with a vacuum generating assembly, and the vacuum generating assembly generates vacuum in the lower core frame to absorb the sand core.

Specifically, in an embodiment of cooperative control of the servo motor and the electric cylinder, the control device gives an X-direction movement command, and the servo motor works to drive the X-direction guide structure to move relative to the X direction so as to move relative to the bracket. Specifically, the servo motor is fixed on the X-shaped guide structure assembly through a screw, and the X-shaped guide structure assembly converts the torque of the motor into linear motion through a gear, so that all accessories mounted below the X-shaped guide structure assembly are driven to move in the X direction, and the accessories are moved to a position (sand mold position) given by the control device.

Meanwhile, a sensor device can be arranged on the X guide structure assembly, and when the X guide structure assembly moves in place in the X direction, the sensor feeds back signals to the control device.

And then the control device sends a command that the lower core plate moves towards the Y direction (the direction of sand mold movement), the electric cylinder starts to work, and the lower core plate moves along the Y direction by converting the electric cylinder into linear motion. And under the precise synergistic action of the servo motor and the electric cylinder, the lower core plate is moved onto the sand mold, and the sand core on the lower core plate is placed on the sand mold to complete the core setting process. After core setting is completed, the control device sends a reset command, the electric cylinder reversely enables the lower core plate to move backwards to the original position, meanwhile, the control device controls the servo motor, the X guide assembly stops to the original position, and a core setting cycle is completed.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. A sand core placement device, comprising:

a control device;

a rectangular bracket;

a lower core plate;

2. The sand core placement device as recited in claim 1 wherein: the connecting part is connected with the rectangular bracket and can reciprocate along the first guide structure;

3. The sand core placement device as recited in claim 1 wherein the stroke of said rectangular bracket in a first direction is greater than the stroke of said rectangular bracket in a second direction, said first drive means being a servo motor and said second drive means being an electric cylinder.

4. A sand core placement device as claimed in claim 1, including a position sensor for sensing the position of said lower core plate relative to said rectangular support, said position sensor being located on at least one of said first and second guide structures, said position sensor being connected to said control means, said control means controlling the opening and closing of said first and second drive means in response to the position of the lower core plate as transmitted by said position sensor.

5. The sand core placement device as recited in claim 1 wherein said rectangular bracket assembly further mounts a vacuum generating assembly that creates a vacuum within the lower core frame to draw the sand core.