A casting auxiliary sand falling device
By designing atomizing spray head in the sand dropper to reduce dust, combined with springs and oil cylinder adjustment technology, the problems of dust generation and damage to castings by the sand dropper are solved, and a safer and more efficient sand drop process is achieved.
Patent Information
- Application Number
- CN202421483645.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-06-27
AI Technical Summary
The existing sand-falling machines generate a lot of dust during work, affecting the workshop environment and easily cause damage or deformation to copper-aluminum castings and thin-wall castings.
A casting auxiliary sand-fall device is designed, using atomized spray head to spray water mist to reduce dust, reduce the impact force of the air vibrator through the spring, and adjust the pressure force of the oil cylinder to control the arc adjustment plate to ensure effective sand-fall for different castings.
It effectively reduces the rise of dust during sand loss, protects the appearance of copper-aluminum castings and thin-wall castings, and ensures the sand-falling effect of diverse products.
Smart Images
Figure CN222740276U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of sand dropping, and in particular relates to a casting auxiliary sand dropping device. Background Art
[0002] A sand shaker is a casting equipment that uses vibration and impact to separate the sand and casting in the mold. The vibration sources of the sand shaker are divided into three categories: mechanical, electromagnetic and pneumatic. The mechanical inertia sand shaker is more widely used; the equipment currently widely used is mostly vibrating open type, which has the advantage of being suitable for sand shake of various castings, but has the disadvantage of being very dusty during operation, which is harmful to the respiratory tract and lungs of the workers. The other type of pneumatic uses an impact type, which has a fast sand shake speed and is suitable for fast sand shake of small and medium-sized castings, but is prone to impact marks on copper and aluminum castings, and thin-walled castings are more prone to deformation. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a casting auxiliary sand falling device, which has a simple structure, is convenient and practical, and sprays water mist through an atomizing nozzle to reduce dust generated by sand falling, thereby preventing dust from flying and affecting the workshop environment.
[0004] A casting auxiliary sand falling device comprises an outer box, a roller conveyor, a stabilizing frame, a lifting frame and a lifting cylinder, wherein several lifting cylinders are mounted on the stabilizing frame and the piston rod is connected to the lifting frame, the roller conveyor is mounted on the lifting frame, and sand falling devices are symmetrically mounted on both sides of the stabilizing frame; the sand falling device comprises a fixed seat, an adjusting cylinder, an arc-shaped adjusting plate and a sand falling device, the fixed seat is fixed on one side of the stabilizing frame, one end of the arc-shaped adjusting plate is hinged on the fixed seat, the adjusting cylinder is hinged on the outer box and the piston rod is hinged to the arc-shaped adjusting plate, and several sand falling devices are mounted on the arc-shaped adjusting plate.
[0005] Preferably, the sand dropper includes a screw, a nut, a fixing plate, an air vibrator and an impact head, one end of the screw is connected to the fixing plate and the other end passes through the arc-shaped adjustment plate, the two nuts are arranged on the screw and located on both sides of the arc-shaped adjustment plate, the air vibrator is installed on the fixing plate, and the impact head is installed on the air vibrator.
[0006] Preferably, a spring groove is provided on the arc-shaped adjustment plate, a spring is arranged in the spring groove, and the spring is sleeved on the screw rod and cooperates with a nut close to the fixing plate.
[0007] Preferably, a positioning rod is included, a plurality of insertion holes are provided on the screw rod, a positioning insertion hole is provided on the arc-shaped adjustment plate, and one end of the positioning rod is inserted into the positioning insertion hole and the insertion hole.
[0008] Preferably, a plurality of atomizing nozzles are arranged on the arc-shaped adjustment plate, and the atomizing nozzles are connected to high-pressure water pipes.
[0009] Beneficial effects:
[0010] (1) The utility model provides a casting auxiliary sand falling device, which has a simple structure, is convenient and practical. It sprays water mist through an atomizing nozzle to reduce dust generated by sand falling and prevent dust from flying and affecting the workshop environment.
[0011] (2) The utility model provides a casting auxiliary sand-falling device, which reduces the instantaneous impact force of the air vibrator through a spring, thereby achieving the effect of sand-falling while maintaining the appearance of the softer metal casting.
[0012] (3) The utility model provides a casting auxiliary sand dropping device, which controls two arc-shaped adjustment plates to press against the casting by adjusting the oil cylinder, so that the position of the air vibrator can be adjusted according to the size and shape of the casting to ensure the sand dropping effect of various products. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural schematic diagram of the auxiliary sand falling device;
[0014] Figure 2 It is a structural schematic diagram of the sand falling device;
[0015] Figure 3 It is a structural schematic diagram of the sand falling device;
[0016] 1-outer box, 2-sand falling device, 21-fixed seat, 22-adjusting cylinder, 23-arc adjustment plate, 24-sand falling device, 25-screw, 26-nut, 27-fixing plate, 28-air vibrator, 29-impact head, 210-spring slot, 211-spring, 3-roller conveyor, 4-stabilizing frame, 5-lifting frame, 6-lifting cylinder. DETAILED DESCRIPTION
[0017] The embodiments of the present utility model are further described below in conjunction with the accompanying drawings.
[0018] Example 1
[0019] like Figures 1 to 3As shown; a casting auxiliary sand falling device, including an outer box body 1, a roller conveyor 3, a stabilizing frame 4, a lifting frame 5 and a lifting cylinder 6, several of the lifting cylinders 6 are installed on the stabilizing frame 4 and the piston rod is connected to the lifting frame 5, the roller conveyor 3 is installed on the lifting frame 5, and the sand falling device 2 is symmetrically installed on both sides of the stabilizing frame 4; the sand falling device 2 includes a fixed seat 21, an adjusting cylinder 22, an arc adjustment plate 23 and a sand falling device 24, the fixed seat 21 is fixed on one side of the stabilizing frame 4, one end of the arc adjustment plate 23 is hinged on the fixed seat 21, the adjusting cylinder 22 is hinged on the outer box body 1 and the piston rod is hinged to the arc adjustment plate 23, and several of the sand falling devices 24 are installed on the arc adjustment plate 23; the sand falling device 24 includes a screw 25, a nut 26, a fixed plate 27, an air vibrator 2 8 and an impact head 29, one end of the screw 25 is connected to the fixed plate 27 and the other end passes through the arc-shaped adjustment plate 23, the two nuts 26 are arranged on the screw 25 and are located on both sides of the arc-shaped adjustment plate 23, the air vibrator 28 is installed on the fixed plate 27, and the impact head 29 is installed on the air vibrator 28; a spring groove 210 is provided on the arc-shaped adjustment plate 23, a spring 211 is provided in the spring groove 210, the spring 211 is sleeved on the screw 25 and cooperates with the nut 26 close to the fixed plate 27; a positioning rod is included, a plurality of jacks are provided on the screw 25, a positioning jack is provided on the arc-shaped adjustment plate 23, one end of the positioning rod is inserted into the positioning jack and the jack; a plurality of atomizing nozzles are provided on the arc-shaped adjustment plate 23, and the atomizing nozzles are connected to the high-pressure water pipe.
[0020] The casting is conveyed to the roller conveyor 3 by the conveyor, and then the roller conveyor 3 is conveyed to the top of the stable frame 4, and the roller conveyor 3 is driven down by the lifting cylinder 6 to make the casting fall on the stable frame 4; the arc adjustment plate 23 is driven to approach the casting by the control adjustment cylinder 22, so that the sand dropper 24 on it contacts the casting, and then the sand dropper 24 is turned on to shake the sand on the casting off, and the vibration generated by the air vibrator 28 acts on the casting through the impact head 29, and the reverse vibration is caused by the spring 21 1 is reduced, which is mainly aimed at softer metal castings such as copper or aluminum to avoid damage to the castings; when the corresponding iron parts are sanded, the positioning rod is inserted into the positioning socket and the socket, and the nut 26 away from the fixing plate 27 is tightened at the same time to achieve the purpose of fixing the screw 25, so that the vibration generated by the air vibrator 28 acts on the casting, and the position of the air vibrator 28 can be adjusted relative to the adjacent air vibrator 28 Close to or away from the casting; water mist is guided out through the atomizing nozzle to reduce the dust generated by the sand.
[0021] The specific embodiments of the present invention are described in detail above, but they are only examples, and the present invention is not limited to the specific embodiments described above. For those skilled in the art, any equivalent modification and substitution of the present invention is also within the scope of the present invention. Therefore, the equivalent transformation and modification made without departing from the spirit and scope of the present invention are all within the scope of the present invention.
Claims
1. A casting auxiliary sand falling device, characterized in that: The invention comprises an outer box (1), a roller conveyor (3), a stabilizing frame (4), a lifting frame (5) and a lifting cylinder (6); a plurality of the lifting cylinders (6) are mounted on the stabilizing frame (4) and a piston rod is connected to the lifting frame (5); the roller conveyor (3) is mounted on the lifting frame (5); a sand falling device (2) is symmetrically mounted on both sides of the stabilizing frame (4); the sand falling device (2) comprises a fixed seat (21), an adjusting cylinder (22), an arc-shaped adjusting plate (23) and a sand falling device (24); the fixed seat (21) is fixed on one side of the stabilizing frame (4); one end of the arc-shaped adjusting plate (23) is hinged on the fixed seat (21); the adjusting cylinder (22) is hinged on the outer box (1) and a piston rod is hinged to the arc-shaped adjusting plate (23); a plurality of the sand falling devices (24) are mounted on the arc-shaped adjusting plate (23).
2. A casting auxiliary sand falling device as claimed in claim 1, characterized in that: The sand falling device (24) comprises a screw rod (25), a nut (26), a fixing plate (27), an air vibrator (28) and an impact head (29); one end of the screw rod (25) is connected to the fixing plate (27) and the other end passes through the arc-shaped adjustment plate (23); two nuts (26) are arranged on the screw rod (25) and located on both sides of the arc-shaped adjustment plate (23); the air vibrator (28) is installed on the fixing plate (27); and the impact head (29) is installed on the air vibrator (28).
3. A casting auxiliary sand falling device as claimed in claim 2, characterized in that: The arc-shaped adjustment plate (23) is provided with a spring groove (210), a spring (211) is arranged in the spring groove (210), and the spring (211) is sleeved on the screw rod (25) and matched with a nut (26) close to the fixing plate (27).
4. A casting auxiliary sand falling device as claimed in claim 3, characterized in that: It comprises a positioning plug rod, a plurality of plug holes are provided on the screw rod (25), a positioning plug hole is provided on the arc-shaped adjustment plate (23), and one end of the positioning plug rod is inserted into the positioning plug hole and the plug hole.
5. A casting auxiliary sand falling device as claimed in claim 4, characterized in that: The arc-shaped adjustment plate (23) is provided with a plurality of atomizing nozzles, and the atomizing nozzles are connected to high-pressure water pipes.