Processing equipment for casting sand mold

By designing X, Y, and Z axis moving mechanisms and dustproof covers, the casting sand mold processing equipment has solved the problems of low processing efficiency and dust pollution in multiple sprue and runner processes, achieving a highly efficient and clean sand mold processing process.

CN223748495UActive Publication Date: 2026-01-02WUXI ZHONGXIN MOULD TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520203540.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-08
Publication Date
2026-01-02
Estimated Expiration
2035-02-08

AI Technical Summary

Technical Problem

Existing casting sand mold processing equipment cannot efficiently process multiple sprues and runners, and the dust pollution is serious, affecting the cleanliness and ease of maintenance of the equipment.

Method used

A casting sand mold processing equipment was designed, which adopts an X, Y, Z axis moving mechanism and a dustproof cover, combined with a servo spindle and compressed air nozzles to realize the automated processing of multiple sprues and flow channels, and reduces dust pollution through the dustproof cover.

Benefits of technology

It achieves efficient processing of multiple slurry outlets and flow channels, ensuring equipment cleanliness and ease of maintenance, and reducing failure rate and maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

Machining equipment for casting a sand mold is arranged in a foundation pit, one side of the foundation pit is arranged below the sand mold, the other side of the foundation pit is arranged on the outer side of the sand mold, and the machining equipment comprises an X-axis moving mechanism, a Y-axis moving mechanism, a Z-axis moving mechanism and a cutter; the Y-axis moving mechanism comprises a telescopic shaft, and the telescopic shaft can move to the position below the sand mold along the Y axis; the Z-axis moving mechanism comprises a lifting shaft, the lifting shaft can move along the Z axis, a servo main shaft is arranged at the top of the lifting shaft, a cutter and a compressed air blowing nozzle are arranged at the top of the servo main shaft, and the servo main shaft can drive the cutter to rotate; the X-axis moving mechanism is provided with a C-shaped telescopic protective cover, the Y-axis moving mechanism is provided with a rectangular telescopic protective cover, and the Z-axis moving mechanism is provided with a flexible organ cover. According to the sand mold machining device, a plurality of soup openings and runners of a sand mold can be rapidly machined, the telescopic shaft can independently stretch out for machining, it can be guaranteed that machined sand particles and dust can smoothly fall off, and a machining device body is not polluted.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sand mould processing technical field, especially a kind of processing equipment of foundry sand mould. BACKGROUND

[0002] Since the invention of automatic molding production line of self-sand mold casting, the automatic molding line also follows the method since ancient times to use draw molding, that is, rely on sand compaction on mold, draw molding after sand mold forming, whether product shape or flow channel, riser shape, is made according to this method, then dig a soup mouth on the shape back, i.e.the top surface of sand mould, pour molten iron into the sand mould from the soup mouth, and the molten iron flows into the sand mould, fills the product shape after passing through each flow channel and riser, and solidifies into shape.

[0003] Since there is "multi-group vertical runner sand mold process", the sand mold casting method changes from internal plane to internal and external two planes, and the plane casting forming is changed into three-dimensional casting forming by multi-group vertical runner, the upper surface of sand mould has multiple soup mouths, and the soup mouths are connected by flow channel, so that multiple soup mouths need to be processed during processing, and the flow channel connecting the soup mouths also needs to be processed.

[0004] The existing foundry sand mould only has soup mouth processing, and most of the methods are: soup mouth processing is processed once, and the position of soup mouth can be moved according to needs, but multiple soup mouths cannot be processed, and the flow channel cannot be processed.

[0005] Therefore, we propose a kind of processing equipment of foundry sand mould. INVENTION CONTENTS

[0006] In view of the above-mentioned shortcomings in the prior art, the present application provides a kind of processing equipment of foundry sand mould, which adopts a kind of simple mechanical design of foundry sand mould processing equipment, and the design is simple, which means low cost and low failure rate, and is economical and practical compared with machining center, which needs to place the processed sand mould on the top of tool, and the processing is from bottom to top, which has the advantages of: the sand particles removed during sand mould processing directly fall under the action of gravity, the surface of the processed sand mould is cleaned by air blowing, and there is no need for separate cleaning, which ensures efficiency and cleanliness of the sand mould surface, and only needs to prevent dust when the sand mould falls, and the equipment is specially designed for dust prevention during casting.

[0007] The technical scheme adopted by the utility model is as follows:

[0008] A kind of processing equipment of foundry sand mould is arranged in foundation pit, one side of foundation pit is arranged below sand mould, and the other side of foundation pit is arranged outside sand mould, and the processing equipment comprises:

[0009] A base is arranged in the foundation pit and outside the sand mould;

[0010] An X-axis moving mechanism is arranged on the base;

[0011] A Y-axis moving mechanism is arranged on the X-axis moving mechanism;

[0012] A Z-axis moving mechanism is arranged on the Y-axis moving mechanism;

[0013] The Y-axis moving mechanism comprises a telescopic shaft, which is capable of moving along the Y-axis to below the sand mold;

[0014] The Z-axis moving mechanism comprises a lifting shaft, which is capable of moving along the Z-axis, and a servo spindle arranged on the top of the lifting shaft, a cutter and a compressed air blowing nozzle arranged on the top of the servo spindle, and the servo spindle being capable of driving the cutter to rotate;

[0015] The X-axis moving mechanism is provided with a C-shaped telescopic shield, the Y-axis moving mechanism is provided with a rectangular telescopic shield, and the Z-axis moving mechanism is provided with a flexible organ cover.

[0016] It is further characterized in that:

[0017] The X-axis moving mechanism comprises a first rack, a first linear guide rail, a first driving gear, a sliding base, a first planetary reducer and a first driving motor, the first rack and the first linear guide rail are arranged on the top of the base, a first guide rail slider is arranged on the first linear guide rail in a matched manner, the sliding base is arranged on the first guide rail slider, the first planetary reducer is arranged on the sliding base, the first driving motor is connected with the first planetary reducer, the first driving gear is connected with the output shaft of the first planetary reducer, and the first driving gear is engaged with the first rack.

[0018] The Y-axis moving mechanism comprises a second linear guide rail, a second planetary reducer, a second driving motor, a telescopic shaft, a second rack and a second driving gear, a first fixed frame is arranged on the sliding base, the second planetary reducer is arranged on the first fixed frame, the second driving motor is connected with the second planetary reducer, the second driving gear is connected with the output shaft of the second planetary reducer, the telescopic shaft is movably arranged in the first fixed frame, the second linear guide rail and the second rack are arranged on the telescopic shaft, the second driving gear is engaged with the second rack, the second linear guide rail is provided with a second guide rail slider, and the second guide rail slider is connected with the first fixed frame.

[0019] The Z-axis moving mechanism comprises a third rack, a third driving motor, a third planetary reducer, a third linear guide rail, a lifting shaft and a third driving gear, the second fixed frame is arranged on the telescopic shaft, the lifting shaft is movably arranged in the second fixed frame, the third rack and the third linear guide rail are arranged on the lifting shaft, the third planetary reducer is arranged on the second fixed frame, the third driving motor is connected with the third planetary reducer, the third driving gear is connected with an output shaft of the third planetary reducer, the third driving gear is engaged with the third rack, and the third linear guide rail is matched with a third guide rail slider arranged thereon, and the third guide rail slider is connected with the second fixed frame.

[0020] The top of the base is provided with C-shaped telescopic covers on both sides of the sliding base, the first fixed frame is provided with rectangular telescopic covers on both sides, and the second fixed frame is provided with flexible organ covers on both sides.

[0021] The utility model discloses the following advantages:

[0022] The utility model discloses the following advantages:

[0023] Meanwhile, the utility model still has following advantages:

[0024] (1) the first driving motor, second driving motor and third driving motor cooperation can realize the processing movement of the cutter in X -axis, Y -axis, Z -axis direction, can guarantee linear processing and can realize curved processing track.

[0025] (2) the top of the base is provided with C-shaped telescopic covers on both sides of the sliding base, and the C-shaped telescopic covers can contract along with the movement of the sliding base. The first fixed frame is provided with rectangular telescopic covers on both sides, and the rectangular telescopic covers can contract along with the movement of the telescopic shaft. The second fixed frame is provided with flexible organ covers on both sides, and the flexible organ covers can contract along with the movement of the lifting shaft. The flexible organ covers, rectangular telescopic covers and C-shaped telescopic covers are matched to prevent dust from entering the processing equipment, and the influence of dust on the processing equipment can be reduced.

[0026] (3) Control mechanism can control the processing equipment and casting molding line linkage, from molding equipment program control module with processing equipment to establish communication, in the device molding time, sand mold stop motion within the time to complete processing, automatic molding line generally if single molding machine CT is above 24S, double molding machine molding CT is above 15S, this processing equipment can be customized according to the characteristics of the production line equipment. Ensure that within the CT of the production line, if necessary, two or more devices can be installed, and the processing procedure is completed in steps. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is the structural schematic diagram of the utility model.

[0028] Figure 2 It is the schematic diagram of the processing equipment of the utility model arranged in the foundation pit.

[0029] Figure 3 It is the schematic diagram of the first fixed frame, telescopic shaft and the like of the utility model.

[0030] Figure 4 It is the schematic diagram of the second fixed frame, lifting shaft and the like of the utility model.

[0031] Figure 5 It is the schematic diagram of the processing equipment part of the utility model installed dust cover.

[0032] Among them: 1, base; 2, first rack; 3, first linear guide; 4, first drive gear; 5, sliding base; 6, first planetary reducer; 7, first drive motor; 8, second linear guide; 9, second planetary reducer; 10, second drive motor; 11, telescopic shaft; 12, second rack; 13, servo spindle; 14, cutter; 15, compressed air nozzle; 16, third rack; 17, third drive motor; 18, third planetary reducer; 19, third linear guide; 20, lifting shaft; 21, flexible organ case; 22, rectangular telescopic cover; 23, C-shaped telescopic cover; 24, second drive gear; 25, first fixed frame; 26, second fixed frame; 27, third drive gear; 100, casting molding line; 200, sand mold; 300, foundation pit; 400, control mechanism. DETAILED DESCRIPTION

[0033] The specific implementation of the utility model will be described below in combination with the drawings.

[0034] As Figures 1-5As shown, a processing device for casting sand mold, comprising a base 1, the base 1 is arranged in a foundation pit 300, the top of the base 1 is provided with a first rack 2 and a first linear guide rail 3, the first rack 2 and the first linear guide rail 3 are arranged in parallel. A first guide rail slider is matched and arranged on the first linear guide rail 3, a sliding base 5 is fixed on the top of the first guide rail slider, a first planetary reducer 6 is arranged on the sliding base 5, a first driving motor 7 connected with the first planetary reducer 6 is arranged on the first planetary reducer 6, and a first driving gear 4 is arranged on the output shaft of the first planetary reducer 6. The first driving gear 4 is engaged with the first rack 2.

[0035] When the first driving motor 7 works, the output shaft of the first driving motor 7 drives the first planetary reducer 6 to work, the output shaft of the first planetary reducer 6 drives the first driving gear 4 to rotate, the first driving gear 4 rotates along the first rack 2, and in turn drives the sliding base 5 to move linearly along the first rack 2.

[0036] A first fixed frame 25 is arranged on the top of the sliding base 5, a second planetary reducer 9 is arranged on the top of the first fixed frame 25, a second driving motor 10 connected with the second planetary reducer 9 is arranged on the second planetary reducer 9, a second driving gear 24 is arranged on the output shaft of the second planetary reducer 9, and a telescopic shaft 11 capable of moving is arranged in the first fixed frame 25 of the sliding base 5. A second rack 12 and a second linear guide rail 8 are arranged on the telescopic shaft 11, the second driving gear 24 is engaged with the second rack 12, a second guide rail slider is matched and arranged on the second linear guide rail 8, and the second guide rail slider is fixedly connected with the first fixed frame 25 of the sliding base 5.

[0037] When the second driving motor 10 works, the output shaft of the second driving motor 10 drives the second planetary reducer 9 to work, the output shaft of the second planetary reducer 9 drives the second driving gear 24 to rotate, the second driving gear 24 drives the second rack 12 to move, and in turn drives the telescopic shaft 11 to move.

[0038] In an embodiment, the second linear guide rail 8 and the second rack 12 are arranged in parallel.

[0039] In an embodiment, the first rack 2 and the first linear guide rail 3 are each provided with two, one of the first rack 2 and one of the first linear guide rail 3 are arranged on one side of the top of the base 1, and the other first rack 2 and the other first linear guide rail 3 are arranged on the other side of the top of the base 1.

[0040] A sand mold 200 is arranged on the casting molding line 100, and a foundation pit 300 is formed at the bottom of the sand mold 200, one side of the foundation pit 300 is at the bottom of the sand mold 200, one side of the foundation pit 300 is at the outside of the casting molding line 100 and the sand mold 200, and the processing device is arranged in the foundation pit 300, and the base 1 is at the outside of the casting molding line 100 and the sand mold 200. The sand mold 200 can move on the casting molding line 100.

[0041] In one embodiment, a plurality of sand molds 200 are arranged on the casting molding line 100, and the sand molds 200 can be moved by a pushing assembly such as a hydraulic cylinder push rod, and the pushing assembly pushes the sand molds 200 by a length of the sand molds 200 each time. The sand molds 200 include upper and lower sand molds arranged in sequence on the casting molding line 100. A control mechanism 400 is arranged beside the processing equipment for controlling the processing equipment.

[0042] The telescopic shaft 11 is provided with a second fixed frame 26 at one end close to the casting molding line 100, and a lifting shaft 20 capable of lifting is arranged in the second fixed frame 26. A servo main shaft 13 is arranged at the top of the lifting shaft 20, a tool 14 is arranged at the top of the servo main shaft 13, a third rack 16 and a third linear guide rail 19 are arranged on the lifting shaft 20, a third planetary reducer 18 is arranged on the second fixed frame 26, a third driving motor 17 connected with the third planetary reducer 18 is arranged on the third planetary reducer 18, a third driving gear 27 connected with the output shaft of the third planetary reducer 18 is arranged, the third driving gear 27 is engaged with the third rack 16, and a third guide rail slider matched with the third linear guide rail 19 is arranged, and the third guide rail slider is connected with the second fixed frame 26. A compressed air nozzle 15 is arranged on the servo main shaft 13, and air is blown away while processing during processing of the tool 14.

[0043] When the third driving motor 17 works, the output shaft of the third driving motor 17 drives the third planetary reducer 18 to work, the output shaft of the third planetary reducer 18 drives the third driving gear 27 to rotate, the third driving gear 27 drives the third rack 16 to move, and then drives the lifting shaft 20 to lift, and the lifting shaft 20 drives the servo main shaft 13 to lift. The servo main shaft 13 can drive the tool 14 to rotate and process through the tool 14.

[0044] C-shaped telescopic covers 23 are arranged on both sides of the top of the base 1 and the sliding base 5, and the C-shaped telescopic covers 23 can be retracted with the movement of the sliding base 5. Rectangular telescopic covers 22 are arranged on both sides of the first fixed frame 25, and the rectangular telescopic covers 22 can be retracted with the movement of the telescopic shaft 11. Flexible organ covers 21 are arranged on both sides of the second fixed frame 26, and the flexible organ covers 21 can be retracted with the movement of the lifting shaft 20.

[0045] In one embodiment, the third rack 16 is arranged in parallel with the third linear guide rail 19.

[0046] The sand molds 200 can be positioned relative to the casting molding line 100, and after the sand molds 200 are positioned, the processing equipment is controlled by the control mechanism 400 to process.

[0047] In one embodiment, the 2D laser position sensor is used to position the sand mold 200, which can avoid dust interference, more accurate positioning, and more flexible trigger control.

[0048] The processing equipment includes an X-axis moving mechanism, a Y-axis moving mechanism, and a Z-axis moving mechanism. The X-axis moving mechanism includes a first rack 2, a first linear guide rail 3, a first drive gear 4, a sliding base 5, a first planetary reducer 6, and a first drive motor 7. The Y-axis moving mechanism includes a second linear guide rail 8, a second planetary reducer 9, a second drive motor 10, a telescopic shaft 11, a second rack 12, and a second drive gear 24. The Z-axis moving mechanism includes a third rack 16, a third drive motor 17, a third planetary reducer 18, a third linear guide rail 19, a lifting shaft 20, and a third drive gear 27.

[0049] In specific use, the sand mold 200 is first positioned, and after positioning is completed, the control mechanism 400 controls the processing equipment to work. The first drive motor 7 works, and the first drive motor 7 drives the first drive gear 4 to rotate through the first planetary reducer 6, thereby driving the sliding base 5 to move along the first linear guide rail 3. The first drive motor 7 stops working, and the second drive motor 10 works. The second drive motor 10 drives the second drive gear 24 to rotate through the second planetary reducer 9, thereby driving the telescopic shaft 11 to move. The telescopic shaft 11 can be independently extended to maintain a certain distance from the base 1 of the processing equipment. The strength of the sand mold 200 is not high, generally only about 2-3 kg / C㎡, and the sand grains are very small. The grain size index AFS value of the sand grains is generally about 55-65, and the dust after processing is very large. The base 1 of the processing equipment is arranged on the side surface of the sand mold 200, and the telescopic shaft 11 is extended. The extended cutter 14 is placed at the lower part of the sand mold 200 for processing, which can ensure that the dust of the processed sand grains can fall smoothly without polluting the processing equipment body, and the dustproof of the body frame is achieved. The base 1 of the processing equipment is arranged on the side surface of the sand mold 200, which is very easy and safe for equipment maintenance, maintenance, and inspection.

[0050] The first drive motor 7, the second drive motor 10, and the third drive motor 17 can cooperate to drive the cutter 14 to move in the X-axis, Y-axis, and Z-axis directions, which can ensure linear processing and achieve curve processing trajectories.

[0051] The flexible organ case 21, the rectangular telescopic cover 22, and the C-shaped telescopic cover 23 cooperate to prevent dust from affecting the processing equipment.

[0052] The control mechanism 400 and the control equipment of the casting molding line 100 establish communication linkage through respective program control modules. When the equipment molds, the sand mold 200 stops moving for a time to complete processing. The automatic molding line generally has a single molding machine CT of 24S or more, and a double molding machine CT of 15S or more. The processing equipment can be customized according to the characteristics of the production line of the equipment. It is guaranteed to be completed within the CT of the production line. If necessary, two or more devices can be installed to complete the processing procedure in steps.

[0053] The above description is an explanation of the utility model, not a limitation of the utility model. The scope defined by the utility model is subject to the claims. Within the protection scope of the utility model, any form of modification can be made.

Claims

1. A processing apparatus of a cast sand mold, provided in a foundation pit (300) provided on one side below a sand mold (200) and on the other side outside the sand mold (200), characterized in that, The processing equipment comprises: a base (1) arranged in a foundation pit (300) and outside a sand mold (200); an X-axis moving mechanism arranged on the base (1); a Y-axis moving mechanism arranged on the X-axis moving mechanism; a Z-axis moving mechanism arranged on the Y-axis moving mechanism; wherein the Y-axis moving mechanism comprises a telescopic shaft (11) capable of moving along the Y-axis below the sand mold (200); the Z-axis moving mechanism comprises a lifting shaft (20) capable of moving along the Z-axis, the top of the lifting shaft (20) is provided with a servo spindle (13), the top of the servo spindle (13) is provided with a cutter (14) and a compressed air blowing nozzle (15), and the servo spindle (13) can drive the cutter (14) to rotate; the X-axis moving mechanism is provided with a C-shaped telescopic shield (23), the Y-axis moving mechanism is provided with a rectangular telescopic shield (22), and the Z-axis moving mechanism is provided with a flexible organ cover (21).

2. A casting sand mold processing apparatus as set forth in claim 1, characterized by: The X-axis moving mechanism comprises a first rack (2), a first linear guide rail (3), a first driving gear (4), a sliding base (5), a first planetary reducer (6) and a first driving motor (7), the first rack (2) and the first linear guide rail (3) are arranged on the top of the base (1), a first guide rail slider is matched and arranged on the first linear guide rail (3), the sliding base (5) is arranged on the first guide rail slider, the first planetary reducer (6) is arranged on the sliding base (5), the first driving motor (7) is connected with the first planetary reducer (6), the first driving gear (4) is connected with the output shaft of the first planetary reducer (6), and the first driving gear (4) is engaged with the first rack (2).

3. A casting sand mold processing apparatus as set forth in claim 2, characterized by: The Y-axis moving mechanism comprises a second linear guide rail (8), a second planetary reducer (9), a second driving motor (10), a telescopic shaft (11), a second rack (12) and a second driving gear (24), a first fixed frame (25) is arranged on the sliding base (5), the second planetary reducer (9) is arranged on the first fixed frame (25), the second driving motor (10) is connected with the second planetary reducer (9), the second driving gear (24) is connected with the output shaft of the second planetary reducer (9), the telescopic shaft (11) is movably arranged in the first fixed frame (25), the second linear guide rail (8) and the second rack (12) are arranged on the telescopic shaft (11), the second driving gear (24) is engaged with the second rack (12), and the second linear guide rail (8) is provided with a second guide rail slider connected with the first fixed frame (25).

4. A casting sand moulding apparatus as claimed in claim 3, wherein: The Z-axis moving mechanism comprises a third rack (16), a third driving motor (17), a third planetary reducer (18), a third linear guide rail (19), a lifting shaft (20) and a third driving gear (27), a second fixed frame (26) is arranged on the telescopic shaft (11), the lifting shaft (20) is movably arranged in the second fixed frame (26), the third rack (16) and the third linear guide rail (19) are arranged on the lifting shaft (20), the third planetary reducer (18) is arranged on the second fixed frame (26), the third driving motor (17) is connected with the third planetary reducer (18), the third driving gear (27) is connected with an output shaft of the third planetary reducer (18), the third driving gear (27) is engaged with the third rack (16), and a third guide rail slider is matched and arranged on the third linear guide rail (19) and connected with the second fixed frame (26).

5. A casting sand moulding apparatus as claimed in claim 4, wherein: The bottom (1) is provided with C-shaped telescopic covers (23) on both sides of the sliding base (5), the first fixed frame (25) is provided with rectangular telescopic covers (22) on both sides, and the second fixed frame (26) is provided with flexible organ covers (21) on both sides.