Pretreatment equipment used before resin sand mixing

Abstract

The utility model relates to the technical field of resin sand mixing, in particular to pretreatment equipment used before resin sand mixing. According to the technical scheme, the device comprises a support and a connecting block, a groove is formed in the upper surface of the support, a mounting frame is fixed to the inner wall of the groove, a mounting groove is formed in the upper surface of the mounting frame, a filter screen is fixed to the inner wall of the mounting groove, a supporting plate is fixed to the lower surface of the support, a long groove is formed in the rear end of the supporting plate, and the connecting block is inserted into the long groove. A movable plate is fixed to the rear end of the connecting block, and a drying and blowing device is installed on the upper surface of the movable plate. The sand drying device has the advantages that the structure is simple, the practicability is high, and meanwhile sand can be fully dried conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of resin sand mixing, in particular to pretreatment equipment before resin sand mixing. Background Art

[0002] Resin sand mixing is an industrial process, commonly used in the foundry industry. In the resin sand mixing process, quartz sand or other suitable granular materials are mixed with resin (usually phenolic resin or bisphenol A resin) to form a sand mold or sand core. The pretreatment before resin sand mixing requires drying of the sand, but the sand accumulation is dried using drying equipment, which is inconvenient to dry the inside of the accumulated sand, so the drying effect is poor.

[0003] Patent announcement number CN217964620U discloses an automatic resin sand mixer, which mainly includes a base plate, a fuselage, a head and a material barrel. The fuselage is installed on the upper end surface of the base plate, and the head and the body are rotatably connected by hinges. A motor is arranged in the head, and a mixing shaft is keyed to the lower end of the motor. A splash-proof cover is arranged on the lower end surface of the head, a positioning groove is arranged on the upper end surface of the body, and the material barrel is placed in the positioning groove. A shock-absorbing column is arranged between the base plate and the body, and a handle is arranged on the front end surface of the head.

[0004] In the prior art, CN217964620U needs to dry the sand before resin sand mixing during use, but the sand is piled up and dried using a drying device, which makes it inconvenient to dry the inside of the piled sand, so the drying effect is poor. Utility Model Content

[0005] The purpose of the utility model is to provide a pretreatment device before resin sand mixing, which has the advantages of simple structure, strong practicality and convenient for fully drying the sand, and solves the problem that the sand needs to be dried before resin sand mixing, but the sand is piled up and dried using a drying device, which makes it inconvenient to dry the inside of the piled sand, so the drying effect is poor.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pretreatment device before resin sand mixing, comprising a bracket and a connecting block, the upper surface of the bracket is provided with a groove, the inner wall of the groove is fixed with a mounting frame, the upper surface of the mounting frame is provided with a mounting groove, the inner wall of the mounting groove is fixed with a filter screen, the lower surface of the bracket is fixed with a support plate, the rear end of the support plate is provided with a long groove, the long groove is inserted into the connecting block, the rear end of the connecting block is fixed with a movable plate, and the upper surface of the movable plate is provided with a drying and blowing device.

[0007] Preferably, a control switch box is fixed at the front end of the bracket, and a display screen and buttons are sequentially mounted on the front end of the control switch box from top to bottom. The start and stop of the motor and the drying and blowing device can be controlled by the control switch box.

[0008] Preferably, the bottom end of the inner wall of the groove formed on the upper surface of the bracket is provided with an air hole, through which hot air blown out by the drying blowing device can enter the groove, thereby drying the sand.

[0009] Preferably, support plates are fixed to the front and rear ends of the lower surface of the bracket, respectively. The bracket can be supported by the support plates, so that the overall placement of the device is stable.

[0010] Preferably, a threaded hole is provided on one side of the connection block, a round hole is provided on one side of the support plate, a motor is fixed on one side of the support plate, a transmission shaft provided on the motor extends into the round hole, a threaded rod is fixed on one side of the transmission shaft provided on the motor, and one side of the threaded rod passes through the threaded hole and is threadedly connected. The threaded rod is fixed by the transmission shaft provided on the motor, which provides power for the rotation of the threaded rod, so that the connection block, the movable plate and the drying and blowing device can be moved as needed, which is convenient for drying the sand laid on the filter screen.

[0011] Preferably, the width of the long groove formed at the rear end of the support plate matches the width of the connecting block. By matching the width of the long groove with the width of the connecting block, the long groove can limit the connecting block to prevent the threaded rod from rotating, and the connecting block follows the rotation, so as to facilitate the movement of the connecting block.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model is provided with an installation groove on the upper surface of the installation frame, a filter screen is fixed on the inner wall of the installation groove, a support plate is fixed on the lower surface of the bracket, a long groove is provided at the rear end of the support plate, a connecting block is inserted into the long groove, a movable plate is fixed at the rear end of the connecting block, and a drying and blowing device is installed on the upper surface of the movable plate. When pretreatment is required before resin sand mixing, the sand needs to be dried and laid on the upper surface of the filter screen, and then the motor is started to rotate the threaded rod, the connecting block, the movable plate and the drying and blowing device can be moved as needed, so that hot air can be blown upwards, and the hot air dries the sand through the air vents and the filter screen, thereby achieving the effect of simple structure, strong practicality, and sufficient drying of the sand. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the cross-sectional structure of the bracket of the utility model;

[0016] Figure 3 This is a side structural schematic diagram of the support plate of the utility model;

[0017] Figure 4 It is a schematic diagram of the cross-sectional structure of the support plate of the utility model.

[0018] In the figure: 1. support plate; 2. bracket; 3. control switch box; 4. groove; 5. mounting frame; 6. motor; 7. mounting groove; 8. filter; 9. air vent; 10. drying and blowing device; 11. movable plate; 12. round hole; 13. long groove; 14. threaded rod; 15. connecting block; 16. threaded hole. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figures 1 to 4 The utility model provides an embodiment: a pretreatment device before resin sand mixing, including a bracket 2 and a connecting block 15, a groove 4 is opened on the upper surface of the bracket 2, a control switch box 3 is fixed at the front end of the bracket 2, and a display screen and a button are sequentially embedded and installed at the front end of the control switch box 3 from top to bottom, and an air vent 9 is opened at the bottom end of the inner wall of the groove 4 opened on the upper surface of the bracket 2. The start and stop of the motor 6 and the drying and blowing device 10 can be controlled by the control switch box 3. The hot air blown out of the drying and blowing device 10 enters the groove 4 through the air vent 9, which is convenient for drying the sand. A mounting frame 5 is fixed on the inner wall of the groove 4, and a mounting groove 7 is opened on the upper surface of the mounting frame 5. A filter screen 8 is fixed on the inner wall of the mounting groove 7. The filter screen 8 is used to hold laying sand, so that the sand can be laid with a suitable thickness, and at the same time, it is convenient for hot air to dry the laid sand.

[0021] A support plate 1 is fixed to the lower surface of the bracket 2, and support plates 1 are fixed to the front and rear ends of the lower surface of the bracket 2 respectively. The bracket 2 can be supported by the support plate 1, so that the overall placement of the device is stable. A long groove 13 is provided at the rear end of the support plate 1. The width of the long groove 13 provided at the rear end of the support plate 1 matches the width of the connecting block 15. The long groove 13 can limit the connecting block 15 to prevent the threaded rod 14 from rotating. The connecting block 15 rotates with it, which is convenient for the connecting block 15 to move. The long groove 13 is inserted into the connecting block 15, and a threaded hole 16 is provided on one side of the connecting block 15. A round hole 12 is provided on one side of the support plate 1. One side of the support plate 1 is fixed A motor 6 is provided, one side of the transmission shaft of the motor 6 extends into the circular hole 12, a threaded rod 14 is fixed on one side of the transmission shaft of the motor 6, one side of the threaded rod 14 passes through the threaded hole 16 and is threadedly connected, the threaded rod 14 is fixed by the transmission shaft of the motor 6, and the rotation of the threaded rod 14 is provided with power, so that the connecting block 15, the movable plate 11 and the drying and blowing device 10 can be moved as needed, which is convenient for drying the sand laid on the filter screen 8, the rear end of the connecting block 15 is fixed with the movable plate 11, and the upper surface of the movable plate 11 is installed with the drying and blowing device 10, which is a device used to accelerate the evaporation or volatilization of water on the surface or inside of an object. It usually achieves the effect of accelerating drying by blowing hot air or airflow over the surface or inside of the object to be processed.

[0022] When the sand needs to be pre-treated before the resin is mixed with sand, the sand is laid on the filter screen 8 with a suitable thickness, and then the control switch box 3 is operated to start the motor 6, the threaded rod 14 rotates, and the connecting block 15, the movable plate 11 and the drying and blowing device 10 can be moved as needed. At the same time, the drying and blowing device 10 is started to inhale and heat the air and then blow it out, and the hot air dries the laid sand through the air holes 9 and the filter screen 8. The structure is simple, the practicability is strong, and the effect of fully drying the sand is achieved.

[0023] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A pretreatment device before resin sand mixing, comprising a bracket (2) and a connecting block (15), characterized in that: The upper surface of the bracket (2) is provided with a groove (4), the inner wall of the groove (4) is fixed with a mounting frame (5), the upper surface of the mounting frame (5) is provided with a mounting groove (7), the inner wall of the mounting groove (7) is fixed with a filter screen (8), the lower surface of the bracket (2) is fixed with a support plate (1), the rear end of the support plate (1) is provided with a long groove (13), a connecting block (15) is inserted into the long groove (13), a movable plate (11) is fixed at the rear end of the connecting block (15), and a drying and blowing device (10) is installed on the upper surface of the movable plate (11).

2. The pretreatment equipment before resin sand mixing according to claim 1 is characterized in that: A control switch box (3) is fixed to the front end of the bracket (2), and a display screen and buttons are sequentially embedded and installed at the front end of the control switch box (3) from top to bottom.

3. The pretreatment equipment before resin sand mixing according to claim 1 is characterized in that: A ventilation hole (9) is provided at the bottom end of the inner wall of the groove (4) provided on the upper surface of the bracket (2).

4. The pretreatment equipment before resin sand mixing according to claim 1 is characterized in that: Support plates (1) are respectively fixed to the front and rear ends of the lower surface of the bracket (2).

5. The pretreatment equipment before resin sand mixing according to claim 1 is characterized in that: A threaded hole (16) is formed on one side of the connection block (15), a round hole (12) is formed on one side of the support plate (1), a motor (6) is fixed on one side of the support plate (1), one side of a transmission shaft provided on the motor (6) extends into the round hole (12), a threaded rod (14) is fixed on one side of the transmission shaft provided on the motor (6), one side of the threaded rod (14) passes through the threaded hole (16) and is threadedly connected.

6. The pretreatment equipment before resin sand mixing according to claim 1 is characterized in that: The width of the long slot (13) provided at the rear end of the support plate (1) matches the width of the connecting block (15).

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