CN111822659A - A quick mold change device - Google Patents

Abstract

The invention discloses a quick mold changing device, which relates to the technical field of core making machine switching molds, in particular to a core making machine frame and a mold. A movable mold turning cylinder is installed above the core-making machine guide column, a fixed mold clamping plate is installed at the other end of the core-making machine guide column, an electric cylinder is arranged at the bottom of the core-making machine frame, and the ejection mechanism The interior of the base is vertically penetrated by a guide column of an ejector mechanism, a clamping plate for a mold car is arranged above the connecting plate of the ejector mechanism, and a frame of a mold car is installed below the guide column of the mold car, and the mold is placed Above the clamping plate of the frame mold car. The quick mold changing device uses a frame car instead of driving, cancels the crane hoisting, improves the safety, and reduces the space requirement for the equipment. At the same time, the position of the mold changing device moves quickly, the mold is clamped and the mold is changed quickly, and the mold is positioned accurately. higher, no need for repeated adjustment.

Description

A quick mold change device

technical field

The invention relates to the technical field of core-making machine switching molds, in particular to a rapid mold-changing device.

Background technique

The core making machine is the collective name of the core shooting machine and the shell core machine. Its working process is completed at the same time as sand filling and compaction, and it is immediately hardened in a hot core box, reducing labor intensity, flexible and light in operation, easy to master, using electric heating, temperature can be automatically controlled, and the working place is easy to keep clean. The mechanization and automation of the core making process create conditions.

In the production process of the coated sand shell core, in order to ensure the production quality, it is necessary to complete the continuous mold change action, which requires the use of a mold change device to assist.

At present, the core-making machine switching molds are hoisted by traveling cranes, which is dangerous, slow in hoisting, and low in mold installation and positioning accuracy, and is not suitable for automatic core-making equipment. Precise die changing device.

SUMMARY OF THE INVENTION

Aiming at the deficiencies of the prior art, the present invention provides a quick mold changing device, which solves the problems raised in the above background art.

In order to achieve the above purpose, the present invention is achieved through the following technical solutions: a rapid mold changing device, comprising a core-making machine frame and a mold; The output end of the mold cylinder is connected with a core-making machine guide column, a movable mold turning cylinder is installed above the core-making machine guide column, and a movable mold clamping plate is connected to the output end of the movable mold turning cylinder, and the core-making machine guide The other end of the column is installed with a fixed mold clamping plate, the bottom of the core-making machine frame is provided with an electric cylinder, and the bottom surface of the core-making machine frame is screwed with an ejection mechanism base, and the interior of the ejection mechanism base is vertical A guide post of the ejector mechanism runs through, and the top end of the guide post of the ejector mechanism is fixed with a connection plate of the ejector mechanism. The upper part of the connection plate of the ejector mechanism is provided with a clamping plate for the frame mold car, and the two ends of the clamping plate for the frame mold car are arranged. The bottoms are connected with guide posts of the formwork car, the frame of the formwork car is installed below the guide posts of the formwork car, and the guide wheels of the formwork car are arranged on the outer side of the bottom end of the frame of the formwork car. Below the guide wheel is arranged the guide rail of the frame mould car, and the outer end of the frame mould car guide rail is arranged with the frame mould car guide rail base, the frame mould car guide rail base is fixed on both sides of the bottom surface of the core machine frame, the frame mould The middle part of the upper surface of the car-mounted clamping plate is vertically fixed with a positioning pin, and the mold is placed above the frame-shaped car-mounted clamping plate.

Optionally, there are a total of four core-making machine guide columns, and two ends of the core-making machine guide columns are respectively combined with the mold clamping cylinder to form a telescopic structure after being combined by a plate.

Optionally, the fixed mold clamping plate is sleeved on the outside of the end of the core machine guide post, and the fixed mold clamp plate and the core machine guide post are connected by bolts.

Optionally, the lower surface of the movable mold clamping plate is matched with the upper surface of the mold, and the movable mold clamping plate forms an inversion structure through the movable mold inversion cylinder and the core machine guide column.

Optionally, insertion blocks are welded on both sides of the upper surface of the connecting plate of the ejector mechanism, and groove blocks are correspondingly fixed on both sides of the lower surface of the clamping plate of the frame mold car, and the size between the groove block and the insertion block is match.

Optionally, the guide posts of the ejection mechanism penetrate vertically through two sides of the base of the ejection mechanism respectively, and the guide posts of the ejection mechanism form a liftable structure through an electric cylinder and a core machine frame.

Optionally, both ends of the bottom surface of the frame of the frame formwork car are vertically welded with sliding posts, and the slide posts are inserted into the inner ends of the guide wheels of the frame formwork car respectively.

Optionally, the guide pillars of the mold car are vertically penetrated from the inside of both sides of the mold car frame, and the guide pillars of the mold car and the clamping plate of the mold car are detachable structures.

Optionally, the dimensions of the guide wheels of the model car and the guide rails of the model car are matched with each other, and the cross section of the wheel groove of the guide wheel of the model car and the rail section of the guide wheel of the model car are both in a "V" shape.

The present invention provides a quick mold changing device, which has the following beneficial effects:

1. The quick mold changing device uses a frame car instead of the traveling crane, cancels the traveling hoisting, improves the safety, and reduces the space requirement for the equipment. At the same time, the position of the mold changing device moves quickly, and the mold is clamped and replaced quickly, and the mold can be positioned quickly. High accuracy, no need for repeated adjustments.

2. The quick mold changing device controls the movement of the guide post of the core making machine through the clamping cylinder to realize the closing between the movable mold clamping plate and the mold, and the connection between the fixed mold clamping plate and the guide post of the core making machine is simple, disassembly It is convenient and easy to maintain, and it is also convenient to fix or calibrate the position and angle of the fixed mold clamping plate, so as to improve the quality of mold clamping and switching. The movable mold clamping plate is used to clamp the mold, which can be realized by the moving mold turning cylinder. The purpose of flipping the mold.

3. The quick mold changing device, through the cooperation between the insert block and the groove block, ensures the alignment between the clamping plate of the frame mold car and the connecting plate of the ejector mechanism, so that the connecting plate of the ejector mechanism is pushed up to the frame mold car. When the clamping plate is installed, it is firmly stuck with the clamping plate of the frame mold car, and the problem of relative sliding will not easily occur, which effectively ensures the stability when the clamping plate of the frame mold car moves up and down. The guide column of the ejector mechanism is obtained by the electric cylinder. The power to move up and down can realize the rising and falling of the clamping plate of the frame mold car, and the movement is stable and reliable, which ensures the positioning accuracy of the mold.

4. In this quick mold changing device, the frame of the mold car is combined with the guide wheel of the mold car. The guide wheel of the mold car is the horizontal walking wheel of the frame of the mold car, so that the position of the mold car can be adjusted in the horizontal direction. Make corresponding adjustments to move the mold to the correct position accurately, quickly and efficiently, and complete the work. Along the guide rail of the mold car, the guide wheel of the mold car can move horizontally smoothly, and the "V"-shaped connecting part makes the The guide wheel of the frame mould car and the guide wheel of the frame mould car are well clamped, the wear is small, the service life is long, and it will not derail.

5. The quick mold changing device supports the clamping plate of the clamping vehicle through the guide column of the clamping vehicle, and guides the up and down movement of the clamping plate of the clamping vehicle, so that the clamping plate of the clamping vehicle can move up and down more smoothly, and the clamping plate of the clamping plate can be moved up and down more smoothly. The guide column is easy to disassemble and assemble, and the assembly is simple and easy.

Description of drawings

Fig. 1 is the structural schematic diagram of the present invention when clamping;

Figure 2 is a schematic structural diagram of the present invention when demoulding.

In the picture: 1. Core making machine frame; 2. Clamping cylinder; 3. Core making machine guide column; 4. Moving mold turning cylinder; 5. Moving mold clamping plate; 6. Fixed mold clamping plate; 7. Electric cylinder ;8. Base of ejector mechanism; 9. Guide column of ejector mechanism; 10. Connecting plate of ejector mechanism; 13. Frame of frame mould car; 1301, sliding column; 14, guide wheel of frame mould car; 15, guide rail of frame mould car; 16, base of frame mould car guide rail; 17, locating pin; 18, mould.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

In the description of the present invention, unless otherwise stated, "plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer" The orientation or positional relationship indicated by , "front end", "rear end", "head", "tail", etc. are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, not An indication or implication that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, is not to be construed as a limitation of the invention. Furthermore, the terms "first," "second," "third," etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection. Ground connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Please refer to FIG. 1 to FIG. 2 , the present invention provides a technical solution: a quick mold changing device, including a core-making machine frame 1 and a mold 18 , and a mold-clamping cylinder is arranged horizontally on the upper left side of the core-making machine frame 1 2, and the output end of the clamping cylinder 2 is connected with a core-making machine guide column 3, a movable mold inversion cylinder 4 is installed above the core-making machine guide column 3, and the output end of the movable mold inversion cylinder 4 is connected with a movable mold clamping plate 5. There are a total of four core-making machine guide columns 3, and the two ends of the core-making machine guide column 3 are respectively combined with the mold clamping cylinder 2 to form a telescopic structure after being combined by the plate. The mold clamping cylinder 2 can control the core-making machine guide column 3. Move in the horizontal direction, so as to realize the closing between the movable mold clamping plate 5 and the mold 18, the other end of the core machine guide column 3 is installed with a fixed mold clamping plate 6, and the fixed mold clamping plate 6 is sleeved on the core machine guide. The end of the column 3 is outside, and the fixed mold clamping plate 6 and the core machine guide column 3 are connected by bolts. The connection between the fixed mold clamping plate 6 and the core machine guide column 3 is simple, easy to disassemble, and easy to maintain. At the same time, it is also convenient to fix or calibrate the position and angle of the fixed mold clamping plate 6, thereby improving the quality of mold clamping and switching of the mold 18. The lower surface of the movable mold clamping plate 5 matches the upper surface of the mold 18, and the movable mold is installed The clamping plate 5 forms an inversion structure through the movable mold inversion cylinder 4 and the core-making machine guide column 3. The movable mold clamping plate 5 is used to clamp the mold 18, and the movable mold inversion cylinder 4 can realize the purpose of inverting the mold 18;

The bottom of the core-making machine frame 1 is provided with an electric cylinder 7, and the bottom surface of the core-making machine frame 1 is screwed with an ejector mechanism base 8, and the inside of the ejector mechanism base 8 is vertically penetrated with an ejector mechanism guide column 9, and The top end of the guide column 9 of the ejector mechanism is fixed with an ejector mechanism connecting plate 10, a frame mold car clamping plate 11 is arranged above the ejection mechanism connecting plate 10, and a frame mold is connected below both ends of the frame mold car clamping plate 11. Vehicle guide post 12, insert blocks 1001 are welded on both sides of the upper surface of the connecting plate 10 of the ejector mechanism, and slot blocks 1101 are correspondingly fixed on both sides of the lower surface of the frame mold vehicle clamping plate 11, and the slot block 1101 and the insert block 1001 The dimensions are matched, and the insert block 1001 and the groove block 1101 are matched to ensure that the position between the clamping plate 11 of the frame mold car and the connecting plate 10 of the ejector mechanism is aligned, so that the connecting plate 10 of the ejector mechanism is pushed up to the top. When the clamping plate 11 is installed on the frame mold car, it is firmly stuck with the clamping plate 11 in the frame mold car, and the problem of relative sliding will not easily occur, which effectively ensures the stability of the entire frame mold car when it moves up and down, and the guide column of the ejection mechanism 9 penetrates vertically from both sides of the base 8 of the ejector mechanism, and the guide column 9 of the ejector mechanism forms a liftable structure through the electric cylinder 7 and the core machine frame 1, and the guide column 9 of the ejector mechanism is obtained through the electric cylinder 7 The power to move up and down can realize the rising and falling of the clamping plate 11 of the frame mold car, and the movement is stable and reliable, which ensures the positioning accuracy of the mold 18;

A model car frame 13 is installed below the guide column 12 of the model car, and a model car guide wheel 14 is arranged on the outer side of the bottom end of the model car frame 13, and both ends of the bottom surface of the model car frame 13 are vertically welded. There is a sliding column 1301, and the sliding columns 1301 are respectively inserted into the inner ends of the guide wheels 14 of the model car. The frame 13 of the model car is combined with the guide wheel 14 of the model car, and the guide wheel 14 of the model car is the model car. The horizontal walking wheel of the frame 13, so that the position of the entire frame mold car can be adjusted correspondingly in the horizontal direction, so as to move the mold 18 to the correct position accurately, quickly and efficiently, and the work is completed. The inside of the two sides of the frame 13 of the model car is vertically penetrated, and the guide column 12 of the model car and the clamping plate 11 of the model car are detachable. The guide column 12 of the model car is used to support the clamping plate 11 of the model car. , and guide the up and down movement of the clamping plate 11 of the frame mould car, so that the clamping plate 11 of the frame mould car can move up and down more smoothly, and the guide column 12 of the frame mould car is easy to disassemble and assemble, and the assembly is simple and easy. The bottom of the mold car guide rail 15 is arranged, and the outer end of the mold car guide rail 15 is arranged with a mold car guide rail base 16. The cross section of the wheel groove of the guide wheel 14 and the rail section of the guide rail 15 of the frame mold car are in the shape of "V". The connecting part makes the connection between the guide wheel 14 of the frame mould car and the guide rail 15 of the frame mould car good, the wear is small, the service life is long, and it will not derail. On the side, a positioning pin 17 is vertically fixed in the middle of the upper surface of the clamping plate 11 of the frame mould car, and the mold 18 is placed above the clamping plate 11 of the frame mould car.

To sum up, when the quick mold changing device is used, the mold 18 is placed on the clamping plate 11 of the frame mold car, and the position of the mold 18 is ensured by positioning the front and rear two positioning pins 17. The model car composed of the car guide post 12, the frame of the model car 13, the guide wheel 14 of the model car, the guide rails of the model car 15 and the guide rail base 16 of the model car moves to the top of the connecting plate 10 of the ejector mechanism, and the electric cylinder 7 Work, the guide column 9 of the ejector mechanism is pushed up, the frame mold car clamping plate 11 and the mold 18 are pushed up to the position where the mold 18 is in contact with the movable mold clamping plate 5, and the mold 18 and the movable mold clamping plate 5 are connected. And the clamping plate 11 of the frame mold car is lowered, that is, the electric cylinder 7 works, the guide column 9 of the ejector mechanism is lowered, and the ejector device and the clamping plate 11 of the frame mold car are separated from the mold, and the movable mold overturning cylinder 4 drives the movable mold clamping plate 5 together with the mold. 18 is turned to the horizontal position, the clamping cylinder 2 drives the movable mold clamping plate 5 to close together with the mold 18, and the mold 18 and the fixed mold clamping plate 6 are fixed, and the switching action of the mold 18 can be completed.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (9)

1. The utility model provides a quick die change device, includes core making machine frame (1) and mould (18), its characterized in that: a die closing cylinder (2) is transversely arranged on the left side above a core making machine frame (1), the output end of the die closing cylinder (2) is connected with a core making machine guide pillar (3), a movable die overturning cylinder (4) is arranged above the core making machine guide pillar (3), the output end of the movable die overturning cylinder (4) is connected with a movable die clamping plate (5), a fixed die clamping plate (6) is arranged at the other end of the core making machine guide pillar (3), an electric cylinder (7) is arranged at the bottom of the core making machine frame (1), an ejection mechanism base (8) is in screwed connection with the bottom surface of the core making machine frame (1), an ejection mechanism guide pillar (9) vertically penetrates through the inside of the ejection mechanism base (8), an ejection mechanism connecting plate (10) is fixed at the top end of the ejection mechanism guide pillar (9), a frame die vehicle clamping plate (11) is arranged above the ejection mechanism connecting plate (10), and the lower parts of the two ends of the die erecting car clamping plate (11) are respectively connected with a die erecting car guide post (12), a die erecting car frame (13) is installed below the die erecting car guide post (12), a die erecting car guide wheel (14) is arranged on the outer side of the bottom end of the die erecting car frame (13), a die erecting car guide rail (15) is arranged below the die erecting car guide wheel (14), a die erecting car guide rail base (16) is arranged at the outer end of the die erecting car guide rail (15), the die erecting car guide rail base (16) is fixed on the two sides of the bottom surface of the core making machine frame (1), a positioning pin (17) is vertically fixed in the middle of the upper surface of the die erecting car clamping plate (11), and the die (18) is placed above the die erecting car clamping plate (11).

2. A rapid die change device according to claim 1, wherein: the four core making machine guide columns (3) are arranged, and two ends of each core making machine guide column (3) are combined through plates and then form a telescopic structure with the die assembly cylinder (2).

3. A rapid die change device according to claim 2, wherein: the fixed die clamping plate (6) is sleeved outside the end part of the core making machine guide pillar (3), and the fixed die clamping plate (6) is connected with the core making machine guide pillar (3) through a bolt.

4. A rapid die change device according to claim 1, wherein: the lower surface of the movable die clamping plate (5) is matched with the upper surface of the die (18), and the movable die clamping plate (5) and the core making machine guide post (3) form a turnover structure through the movable die turnover cylinder (4).

5. A rapid die change device according to claim 1, wherein: the two sides of the upper surface of the ejection mechanism connecting plate (10) are respectively welded with an insert block (1001), the two sides of the lower surface of the mold erecting vehicle clamping plate (11) are respectively and correspondingly fixed with a groove block (1101), and the groove blocks (1101) are matched with the insert blocks (1001) in size.

6. A rapid die change device according to claim 1, wherein: the ejection mechanism guide pillars (9) vertically penetrate through the inner parts of two sides of the ejection mechanism base (8) respectively, and the ejection mechanism guide pillars (9) and the core making machine frame (1) form a lifting structure through the electric cylinder (7).

7. A rapid die change device according to claim 1, wherein: and sliding columns (1301) are vertically welded at two ends of the bottom surface of the frame (13) of the frame die car, and the sliding columns (1301) are respectively inserted into the inner ends of guide wheels (14) of the frame die car.

8. A rapid die change device according to claim 1, wherein: the die-erecting vehicle guide posts (12) vertically penetrate through the insides of two sides of a die-erecting vehicle frame (13) respectively, and a detachable structure is arranged between the die-erecting vehicle guide posts (12) and the die-erecting vehicle clamping plates (11).

9. A rapid die change device according to claim 1, wherein: the size of the die-erecting vehicle guide wheel (14) is matched with that of the die-erecting vehicle guide rail (15), and the cross section of the wheel groove of the die-erecting vehicle guide wheel (14) and the cross section of the rail bar of the die-erecting vehicle guide rail (15) are both V-shaped.

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