Molding sand molding device

Abstract

The utility model discloses a molding sand molding device which is characterized in that the front side of a base is provided with a second connecting rod, the top of the second connecting rod is provided with a pin shaft seat, the pin shaft seat is connected with the front part of a guide plate through a pin shaft, the rear side of the base is provided with a first connecting rod, and the middle part of the first connecting rod is provided with a supporting block; according to the molding sand recycling device, the grid plate and the guide plate are arranged, overflowing molding sand can be collected and gathered, the molding sand is prevented from being polluted, the purpose of recycling the molding sand is achieved, the use cost of the molding sand is reduced, and the molding sand recycling device is suitable for popularization and application. The time, manpower and material resources consumed by equipment cleaning are reduced, the positioning rods are connected to the grid plate, arbitrary movement of the positioning rods is achieved, the device can be compatible with molds and molding boxes of different sizes and specifications, the positions of the positioning rods are convenient and fast to adjust, and good applicability and practicability are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of casting devices, in particular to a sand molding device. Background Art

[0002] The process of making a mold using molding sand, patterns and other process equipment is called molding. Molding is an important process in casting production. The molding process determines the production cost, quality, production efficiency, working conditions and environmental protection of castings. The existing patent number is CN201620127700.1, which is a kind of casting sand molding device, also known as a jumping machine. Its principle is to use mechanical shaking and pressing to achieve the molding of molding sand. The disadvantage is that during the leveling and shaking process of the molding sand, the excess molding sand will overflow the molding box and scatter around the equipment, causing the molding sand to be contaminated and unable to be reused, thereby increasing the cost of the molding sand, and cleaning the molding sand around the equipment is time-consuming and laborious. In addition, in actual use, a positioning rod is usually set to guide the positioning of the mold and the molding box. The existing positioning rod has a small range of motion and is difficult to fix. When replacing molds and molding boxes of different sizes, it cannot be used universally or the movement of the positioning rod is cumbersome and laborious. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a sand molding device for solving at least one of the above technical problems in view of the deficiencies in the prior art.

[0004] The technical solution of the utility model to solve the above technical problems is as follows: a molding sand molding device comprises a base, a grid plate is connected to the top of the base through a support rod, the grid plate is provided with a plurality of grids, a first power cylinder is provided above the grid plate, the first power cylinder is connected to a platform in a transmission manner, a column is provided on one side of the grid plate, a power device is provided inside the upper end of the column, the power device is connected to a horizontally arranged support arm through a swivel seat, the end of the support arm is connected to a second power cylinder, the second power cylinder is connected to a pressure plate in a transmission manner, the pressure plate is arranged corresponding to the platform, a plurality of positioning rods are evenly provided around the platform, the positioning rods are movably connected to the grid plate, a guide plate is provided between the grid plate and the base, the guide plate is arranged to be inclined front and back, and the middle part of the guide plate is in an arc shape;

[0005] A second connecting rod is provided on the front side of the base, a pin shaft seat is provided on the top of the second connecting rod, and the pin shaft seat is connected to the front part of the guide plate through the pin shaft, a first connecting rod is provided on the rear side of the base, a support block is provided in the middle part of the first connecting rod, the upper part of the first connecting rod passes through the guide plate and a gap is provided at the connection between the first connecting rod and the guide plate, a first limit block is provided at the upper end part of the first connecting rod, a spring is provided between the first limit block and the guide plate, a second wheel bracket is provided below the guide plate, and a roller is provided on the second wheel bracket, a motor is fixedly provided on the base, the motor is transmission-connected with a cam, and the cam is transmission-connected with the roller.

[0006] Furthermore, a second limit block is provided at the lower end of the positioning rod, a thread is provided below the positioning rod, the positioning rod is connected to a fastener via the thread, and the positioning rod passes through the grid plate and is fixed to the grid plate via the fastener.

[0007] Furthermore, the diameter of the positioning rod is smaller than the width of the grid on the grid plate.

[0008] Furthermore, the diameters of the second limit block and the fastener are both larger than the width of the grid on the grid plate.

[0009] Furthermore, a first wheel bracket is provided below the base, and a traveling wheel is provided on the first wheel bracket.

[0010] Furthermore, the spring is sleeved on the first connecting rod.

[0011] The beneficial effects of the utility model are:

[0012] The device is provided with a grid plate and a guide plate, which can collect and gather overflowed molding sand, avoid contamination of the molding sand and achieve the purpose of reuse, reduce the cost of using the molding sand, and reduce the time, manpower and material resources spent on cleaning equipment. The device also connects the positioning rod to the grid plate to achieve arbitrary movement of the positioning rod, can be compatible with molds and molding boxes of different sizes, and can adjust the position of the positioning rod quickly and conveniently, and has good applicability and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model.

[0014] Figure 2 It is a side structural schematic diagram of the utility model.

[0015] Figure 3 This is a schematic diagram of the first connecting rod structure of the utility model.

[0016] Figure 4 This is a schematic diagram of the second connecting rod structure of the utility model.

[0017] Figure 5 This is a schematic diagram of the grid plate structure of the utility model.

[0018] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0019] Base 1: first wheel bracket 2; walking wheel 3; support rod 4; grid plate 5; first power cylinder 6; platform 7; positioning rod 8; column 9; swivel seat 10; support arm 11; second power cylinder 12; pressure plate 13; guide plate 14; first connecting rod 15; support block 16; first limit block 17; spring 18; second connecting rod 19; pin seat 20; pin 21; second wheel bracket 22; roller 23; motor 24; cam 25; second limit block 26; fastener 27. DETAILED DESCRIPTION

[0020] The present invention is further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. In addition, it should be understood that after reading the contents of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the claims attached to the application.

[0021] Example 1: See Figures 1 to 5 It is a schematic diagram of each structure of the utility model, including a base 1, a grid plate 5 is connected to the top of the base 1 through a support rod 4, the grid plate 5 is provided with a plurality of grids, the arrangement of the grids can allow the molding sand to pass through the grid plate 5, a first power cylinder 6 is arranged above the grid plate 5, the first power cylinder 6 is transmission-connected with a platform 7, the platform 7 is driven by the first power cylinder 6 to achieve the shaking of the platform 7, a column 9 is arranged on one side of the grid plate 5, a power device is arranged inside the upper end of the column 9, the power device is connected to a horizontally arranged support arm 11 through a swivel seat 10, and the arrangement of the swivel seat 10 can move the pressing plate 13 to On one side, to avoid accidents when the molding sand is smoothed manually, the end of the support arm 11 is connected to the second power cylinder 12, and the second power cylinder 12 is connected to the pressing plate 13 in a transmission manner. The pressing plate 13 is arranged corresponding to the platform 7, and the pressing plate 13 cooperates to squeeze the molding sand in the molding box. A number of positioning rods 8 are evenly arranged around the platform 7. The positioning rods 8 are used to position the mold and the molding box. The positioning rods 8 are movably connected to the grid plate 5, and the positioning rods 8 can move. A guide plate 14 is arranged between the grid plate 5 and the base 1. The guide plate 14 is tilted forward and backward, and the middle part of the guide plate 14 is arc-shaped to guide and gather the molding sand;

[0022] A second connecting rod 19 is provided at the front side of the base 1, and a pin shaft seat 20 is provided at the top of the second connecting rod 19. The pin shaft seat 20 is connected to the front part of the guide plate 14 through the pin shaft 21, so that one side of the guide plate 14 rotates around the pin shaft 21. A first connecting rod 15 is provided at the rear side of the base 1, and a support block 16 is provided at the middle part of the first connecting rod 15. The upper part of the first connecting rod 15 passes through the guide plate 14 and a gap is provided at the connection between the first connecting rod 15 and the guide plate 14, leaving a gap for the guide plate 14 and the first connecting rod 15 to be connected. A first limit block 17 is arranged at the upper end of the first connecting rod 15, a spring 18 is arranged between the first limit block 17 and the guide plate 14, the spring 18 is used for resetting to prevent the guide plate 14 from getting stuck, a second wheel bracket 22 is arranged below the guide plate 14, the second wheel bracket 22 is arranged with a roller 23, a motor 24 is fixedly arranged on the base 1, the motor 24 is transmission-connected with a cam 25, the cam 25 is transmission-connected with the roller 23, and the shaking of the guide plate 14 is realized by the cooperation of the cam 25 and the roller 23.

[0023] Specifically, a second limit block 26 is provided at the lower end of the positioning rod 8, a thread is provided below the positioning rod 8, the positioning rod 8 is connected to a fastener 27 through a thread, the positioning rod 8 passes through the grid plate 5 and is fixed on the grid plate 5 through the fastener 27, which is convenient for disassembly and fixation, the diameter of the positioning rod 8 is smaller than the width of the grid on the grid plate 5, which is convenient for the positioning rod 8 to pass through the grid plate 5, and the diameters of the second limit block 26 and the fastener 27 are both larger than the width of the grid on the grid plate 5, which is convenient for fixing the positioning rod 8.

[0024] Specifically, a first wheel bracket 2 is provided below the base 1, and a running wheel 3 is provided on the first wheel bracket 2 to facilitate moving the device.

[0025] Specifically, the spring 18 is mounted on the first connecting rod 15 .

[0026] When using the utility model, the position of the positioning rod 8 is pre-adjusted to make it cooperate with the mold and the molding box. When in use, the mold is installed on the positioning rod 8 so that the bottom of the mold contacts the platform 7, and the molding box is installed on the positioning rod 8. A container is placed on one side of the guide rod. The operator fills the molding sand into the molding box and smoothes it manually, and the platform 7 is shaken to make the molding sand in the molding box without gaps. The scattered molding sand passes through the grid plate 5 and falls onto the guide plate 14. The second power cylinder 12 drives the pressure plate 13 to squeeze the molding sand in the molding box to compact the molding sand. The motor 24 is started and drives the guide plate 14 to shake through the cam 25. The molding sand on the guide plate 14 is guided by the guide plate 14 and falls into the container for collection and utilization.

[0027] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sand molding device, characterized in that: The utility model comprises a base (1), wherein a grid plate (5) is connected to the top of the base (1) via a support rod (4), the grid plate (5) is provided with a plurality of grids, a first power cylinder (6) is provided above the grid plate (5), the first power cylinder (6) is operatively connected to a platform (7), a column (9) is provided on one side of the grid plate (5), a power device is provided inside the upper end of the column (9), the power device is connected to a horizontally arranged support arm (11) via a swivel seat (10), the end of the support arm (11) is connected to a second power cylinder (12), the second power cylinder (12) is operatively connected to a pressure plate (13), the pressure plate (13) is arranged corresponding to the platform (7), a plurality of positioning rods (8) are evenly provided around the platform (7), the positioning rods (8) are movably connected to the grid plate (5), a guide plate (14) is provided between the grid plate (5) and the base (1), the guide plate (14) is arranged to be inclined forward and backward, and the middle part of the guide plate (14) is in an arc shape; A second connecting rod (19) is arranged on the front side of the base (1), a pin shaft seat (20) is arranged on the top of the second connecting rod (19), and the pin shaft seat (20) is connected to the front part of the guide plate (14) via a pin shaft (21); a first connecting rod (15) is arranged on the rear side of the base (1), a support block (16) is arranged in the middle part of the first connecting rod (15), an upper part of the first connecting rod (15) passes through the guide plate (14), and a connection between the first connecting rod (15) and the guide plate (14) is provided. A gap is provided, a first limit block (17) is provided at the upper end of the first connecting rod (15), a spring (18) is provided between the first limit block (17) and the guide plate (14), a second wheel bracket (22) is provided below the guide plate (14), the second wheel bracket (22) is provided with a roller (23), a motor (24) is fixedly provided on the base (1), the motor (24) is transmission-connected to a cam (25), and the cam (25) is transmission-connected to the roller (23).

2. A sand molding device according to claim 1, characterized in that: A second limiting block (26) is provided at the lower end of the positioning rod (8), a thread is provided below the positioning rod (8), the positioning rod (8) is connected to a fastener (27) via the thread, and the positioning rod (8) passes through the mesh plate (5) and is fixed to the mesh plate (5) via the fastener (27).

3. A sand molding device according to claim 2, characterized in that: The diameter of the positioning rod (8) is smaller than the width of the grid on the grid plate (5).

4. A sand molding device according to claim 2, characterized in that: The diameters of the second limit block (26) and the fastener (27) are both greater than the width of the grid on the grid plate (5).

5. The sand molding device according to claim 1, characterized in that: A first wheel bracket (2) is provided below the base (1), and a running wheel (3) is provided on the first wheel bracket (2).

6. A sand molding device according to claim 1, characterized in that: The spring (18) is sleeved on the first connecting rod (15).

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