Compaction structure of molding machine

Abstract

The utility model relates to the technical field of molding machines, and discloses a compacting structure of a molding machine, which comprises a bearing machine base, a bearing top frame is arranged at the top of the bearing machine base, a guide post and a guide shaft are arranged between the bearing machine base and the bearing top frame, and a lower sand storage tank is arranged on the guide shaft. According to the utility model, the upper compaction oil cylinder, the lower compaction oil cylinder, the upper box oil cylinder and the lower box oil cylinder can be matched to carry out shaping die-casting on a closed die, and the upper box assembly, the lower box assembly and the middle box assembly are pushed to be mutually combined and spliced into a whole, so that the die-casting quality is high; the bottom of the lower sand storage tank is fixedly connected with the lower sand shooting compaction body and communicated with the lower sand shooting compaction body to drive the lower sand storage tank to move, so that the lower sand storage tank and the lower sand shooting compaction body can be fixedly sealed, the overall sealing performance is excellent, the phenomenon of sand leakage or sand blasting is avoided, the device structure is tightly connected, the sand shooting compaction compactness is high, and the phenomenon of sand blasting is not prone to occurring; the die-casting uniformity is high, and the production quality is excellent.

Description

Technical Field

[0001] The utility model relates to the technical field of molding machines, in particular to a compacting structure of a molding machine. Background Art

[0002] The casting equipment used to make sand molds has the following main functions: filling sand, filling loose molding sand into the sand box; compacting the molding sand, compacting the loose molding sand in the sand box through different methods such as vibration, compaction, vibration pressure, and shot pressure, so that the sand mold has the necessary strength during transportation and pouring; demolding, using different mechanisms to take the mold out of the compacted sand mold; molding machines can be divided into compaction type, vibration type, vibration pressure type, shot pressure type molding machines and sand blasting machines according to the different methods of compacting the molding sand.

[0003] The original lower compaction mechanism generally adopts a separated structure. The lower sand shooting compaction body and the lower sand storage tank are two components. When the machine is working, the lower sand shooting compaction body moves up and down, and the lower sand storage tank is stationary. A sealing ring is used to seal the two components. The defect of this structural design is that when sand is shot, the sealing ring may leak sand or blast sand due to various reasons, resulting in insufficient uniformity of sand shooting die casting and affecting the quality of sand casting. For this reason, we propose a compaction structure of a molding machine to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a compaction structure for a molding machine, which has the advantages of tight structural connection, high sand shot compaction tightness, no sand blasting, high die-casting uniformity, excellent production quality, etc. It solves the problem that sealing rings are used between existing connecting components, which is prone to sand leakage or sand blasting, insufficient sand casting uniformity, and affects the quality of sand casting.

[0005] In order to achieve the above-mentioned structural connection is tight, the compaction of sand shooting is high, the sand blasting phenomenon is not easy to occur, the die casting is high in uniformity, and the production quality is high, the utility model provides the following technical solutions: a compaction structure of a molding machine, including a bearing machine seat, the top of the bearing machine seat is provided with a bearing top frame;

[0006] A guide column and a guide shaft are provided between the bearing machine seat and the bearing top frame, a lower sand storage tank is provided on the guide shaft, an upper compaction slide, a lower compaction slide, an upper box slide and a lower box slide are provided on the guide column, and an upper box assembly, a lower box assembly and a middle box assembly are provided between the upper box slide and the lower box slide;

[0007] An upper sand-shooting compacting body is arranged on the bearing top frame, the bottom of which passes through the upper compacting slide and the upper box slide and is connected to the upper box assembly, a lower sand-shooting compacting body is arranged on the top of the lower compacting slide, the top of which passes through the lower compacting slide and the lower box slide and is connected to the lower box assembly, and opposite sides of the upper sand-shooting compacting body and the lower sand-shooting compacting body correspond to the middle box assembly;

[0008] Among them, an upper compacting cylinder is provided between the bearing top frame and the upper compacting slide, a lower compacting cylinder is provided between the bearing machine seat and the lower compacting slide, an upper box cylinder is provided at the bottom of the upper compacting slide, a lower box cylinder is provided at the top of the lower compacting slide, and the bottom of the lower sand storage tank is fixedly connected and communicated with the lower sand shooting compaction body.

[0009] Preferably, the four guide columns are rectangularly evenly distributed between the bearing machine base and the bearing top frame, and the upper compaction slide, the lower compaction slide, the upper box slide and the lower box slide are all slidably connected to the guide columns.

[0010] Preferably, the two guide shafts are correspondingly arranged between the bearing machine seat and the bearing top frame, the front and rear sides of the lower sand storage tank are respectively hung and slid on the two guide shafts, and the lower sand storage tank is located on the side of the middle box assembly and has a corresponding position.

[0011] Preferably, a sand storage guide oil cylinder is provided on the top of the bearing machine seat, and the top of the sand storage guide oil cylinder is connected to the bottom of the lower sand storage tank.

[0012] Preferably, guide positioning rollers are installed on both sides of the top of the lower sand storage tank, and the guide positioning rollers are rollingly connected to the guide shaft.

[0013] Preferably, a load-bearing hanging rod is provided between the upper box assembly and the lower box assembly, and both ends of the two load-bearing hanging rods are respectively hung on four guide columns, and both sides of the middle box assembly are respectively hung on the two load-bearing hanging rods.

[0014] Preferably, movable hanging rods are hinged at the four corners of the top of the middle box assembly, and hanging rollers are provided on the top of the movable hanging rods. The four hanging rollers are respectively rollingly hung on two load-bearing hanging rods.

[0015] Preferably, the middle box assembly is located between the upper box assembly and the lower box assembly, and the middle box assembly, the upper box assembly and the lower box assembly are structurally matched and have corresponding positions. Beneficial Effects

[0016] Compared with the prior art, the utility model provides a compacting structure of a molding machine, which has the following beneficial effects:

[0017] 1. The compaction structure of the molding machine can support the lower sand-shooting compaction body by setting a lower compaction slide. When the lower compaction slide moves up and down, it can push the lower sand-shooting compaction body to move up and down, thereby driving the upper box assembly, the lower box assembly and the middle box assembly to be combined and spliced ​​together, and then the upper sand-shooting compaction body and the lower sand-shooting compaction body are used to perform sand-shooting and sand-blasting operations. The operation is convenient. The upper compaction oil cylinder, the lower compaction oil cylinder, the upper box oil cylinder and the lower box oil cylinder can cooperate to perform shaping die-casting on the mold. The die-casting quality is high, the device structure is tightly connected, and the sand-shooting compaction tightness is high.

[0018] 2. The compaction structure of the molding machine plays the role of sand storage by arranging the bottom of the lower sand storage tank to be fixedly connected and communicated with the lower sand-shooting compacting body, and the lower sand storage tank is supported by a guide shaft, and the lifting operation is stable. When the lower sand-shooting compacting body moves upward, it can drive the lower sand storage tank, so that the lower sand storage tank and the lower sand-shooting compacting body can be fixedly sealed, and no rubber ring is required for sealing, thereby avoiding sand leakage or sandblasting. The overall sealing is excellent, so that the device is not prone to sandblasting, the die-casting uniformity is high, and the production quality is excellent. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a frontal perspective schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a side perspective schematic diagram of the structure of the utility model;

[0021] Figure 3 This is a bottom-up stereoscopic schematic diagram of the structure of the utility model;

[0022] Figure 4 It is a top three-dimensional schematic diagram of the structure of the utility model.

[0023] In the figure: 1. bearing machine base; 2. bearing top frame; 3. guide column; 4. guide shaft; 5. lower sand storage tank; 6. upper sand injection compaction body; 7. lower sand injection compaction body; 8. upper compaction slide; 9. lower compaction slide; 10. upper box slide; 11. lower box slide; 12. upper box assembly; 13. lower box assembly; 14. middle box assembly; 15. upper compaction cylinder; 16. lower compaction cylinder; 17. upper box cylinder; 18. lower box cylinder; 19. sand storage guide cylinder; 20. guide positioning roller; 21. bearing hanging rod; 22. movable hanging rod; 23. hanging roller. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-Figure 4 , a compaction structure of a molding machine, comprising a bearing machine base 1, a bearing top frame 2 is provided on the top of the bearing machine base 1;

[0026] A guide column 3 and a guide shaft 4 are provided between the bearing machine seat 1 and the bearing top frame 2, a lower sand storage tank 5 is provided on the guide shaft 4, an upper compaction slide 8, a lower compaction slide 9, an upper box slide 10 and a lower box slide 11 are correspondingly provided on the guide column 3, and an upper box assembly 12, a lower box assembly 13 and a middle box assembly 14 are correspondingly provided between the upper box slide 10 and the lower box slide 11;

[0027] An upper sand-shooting compacting body 6 is provided on the bearing top frame 2, the bottom of which passes through the upper compacting slide 8 and the upper box slide 10 and is connected to the upper box assembly 12, a lower sand-shooting compacting body 7 is provided on the top of the lower compacting slide 9, the top of the lower sand-shooting compacting body 7 passes through the lower compacting slide 9 and the lower box slide 11 and is connected to the lower box assembly 13, and the opposite sides of the upper sand-shooting compacting body 6 and the lower sand-shooting compacting body 7 correspond to the middle box assembly 14;

[0028] Among them, an upper compacting oil cylinder 15 is provided between the bearing top frame 2 and the upper compacting slide 8, a lower compacting oil cylinder 16 is provided between the bearing machine base 1 and the lower compacting slide 9, an upper box oil cylinder 17 is provided at the bottom of the upper compacting slide 8, a lower box oil cylinder 18 is provided at the top of the lower compacting slide 9, and the bottom of the lower sand storage tank 5 is fixedly connected and communicated with the lower sand shot compacting body 7;

[0029] The beneficial effects to be expressed by this scheme are as follows: by setting up a lower compacting slide 9, the lower sand-shooting compacting body 7 can be supported. When the lower compacting slide 9 moves up and down, the lower sand-shooting compacting body 7 can be pushed, and the upper box slide (10) and the lower box slide (11) can be moved up and down to push the upper box assembly 12, the lower box assembly 13 and the middle box assembly 14 to be combined and spliced ​​together. Then, the upper sand-shooting compacting body 6 and the lower sand-shooting compacting body 7 perform sand-shooting and sand-blasting operations, which is convenient to operate. The upper compacting oil cylinder 15, the lower compacting oil cylinder 16, the upper box oil cylinder 17 and the lower box oil cylinder 18 can cooperate with each other. The mold is shaped and die-casted with high die-casting quality. The bottom of the lower sand storage tank 5 is fixedly connected and communicated with the lower sand-shooting compacting body 7 to store sand. The lower sand storage tank 5 is supported by the guide shaft 4 and has stable lifting operation. When the lower sand-shooting compacting body 7 moves upward, the lower sand storage tank 5 can be driven to avoid the lower sand storage tank 5 and the lower sand-shooting compacting body 7 being fixedly sealed. No rubber ring is required for sealing, thus avoiding sand leakage or sandblasting. The overall sealing is excellent, so that the device structure is tightly connected, the sand-shooting compaction is high, sand blasting is not likely to occur, the die-casting uniformity is high, and the production quality is excellent.

[0030] Further, four guide posts 3 are evenly distributed between the bearing machine base 1 and the bearing top frame 2 in a rectangular shape, and the upper compaction slide 8, the lower compaction slide 9, the upper box slide 10 and the lower box slide 11 are all slidably connected to the guide posts 3;

[0031] By arranging four guide columns 3 evenly distributed in a rectangular shape, the upper compaction slide 8, the lower compaction slide 9, the upper box slide 10 and the lower box slide 11 can be stably supported, and the upper compaction slide 8, the lower compaction slide 9, the upper box slide 10 and the lower box slide 11 can remain stable when they are lifted, lowered and die-casted, with excellent practicality.

[0032] Furthermore, two guide shafts 4 are correspondingly arranged between the bearing machine base 1 and the bearing top frame 2, and the front and rear sides of the lower sand storage tank 5 are respectively hung and slid on the two guide shafts 4, and the lower sand storage tank 5 is located on the side of the middle box assembly 14 and the position is corresponding;

[0033] By arranging two guide shafts 4 correspondingly distributed at the lower sand storage tank 5, the lower sand storage tank 5 can be supported by the guide shafts 4, and the lower sand storage tank 5 can keep the axis stable when it moves up and down, is not easy to deviate, and has high bearing support.

[0034] Furthermore, a sand storage guide cylinder 19 is provided on the top of the carrier base 1, and the top of the sand storage guide cylinder 19 is connected to the bottom of the lower sand storage tank 5;

[0035] By setting the sand storage guide cylinder 19, the lower compaction slide 9 can be cooperated to stably carry and push the lower sand storage tank 5 to move up and down, so that the lower sand storage tank 5 is not easy to fall due to the heavy load, and the overall lifting operation is stable.

[0036] Furthermore, guide positioning rollers 20 are installed on both sides of the top of the lower sand storage tank 5, and the guide positioning rollers 20 are rollingly connected to the guide shaft 4;

[0037] By providing the guide positioning roller 20, the up-and-down lifting displacement of the lower sand storage tank 5 is stabilized, and the lower sand storage tank 5 can always slide up-and-down on the guide shaft 4, so the bearing positioning is stable.

[0038] Furthermore, a load-bearing hanging rod 21 is provided between the upper box assembly 12 and the lower box assembly 13, and the two ends of the two load-bearing hanging rods 21 are respectively hung on the four guide pillars 3, and the two sides of the middle box assembly 14 are respectively hung on the two load-bearing hanging rods 21;

[0039] By providing the load-bearing hanging rod 21, the center box assembly 14 can be stably supported and loaded, and the practicability is good.

[0040] Furthermore, the four corners of the top of the middle box assembly 14 are hinged with movable hanging rods 22, and the top of the movable hanging rod 22 is provided with hanging rollers 23, and the four hanging rollers 23 are respectively rollingly hung on the two load-bearing hanging rods 21;

[0041] By setting up a movable hanging rod 22 and a hanging roller 23, the middle box assembly 14 can be rollingly hung on the load-bearing hanging rod 21 by the movable hanging rod 22 and the hanging roller 23, so that when the upper box assembly 12 and the lower box assembly 13 are molded and die-cast, the middle box assembly 14 can stably carry out load-bearing displacement, with excellent practicality and less likely to leak sand.

[0042] Further, the middle box assembly 14 is located between the upper box assembly 12 and the lower box assembly 13, and the middle box assembly 14, the upper box assembly 12 and the lower box assembly 13 are structurally matched and have corresponding positions;

[0043] By arranging the middle box assembly 14 between the upper box assembly 12 and the lower box assembly 13, and with corresponding positions, when the upper box assembly 12 and the lower box assembly 13 are molded together, the middle box assembly 14 plays a sealing and bearing role, the die casting is stable, and accidents such as sand leakage are not likely to occur.

[0044] It should be noted that the various devices in this application are common devices in the market, and can be selected according to specific needs during specific use. The circuit connection relationship of each device belongs to a simple series and parallel connection circuit. There is no innovation in the circuit connection. Those skilled in the art can easily implement it. It belongs to the existing technology and will not be elaborated.

[0045] Working principle: by arranging four guide columns 3 between the bearing machine base 1 and the bearing top frame 2, the guide columns 3 can play a sliding support role for the upper compaction slide 8, the lower compaction slide 9, the upper box slide 10 and the lower box slide 11, and can stably slide and move on the guide columns 3, the upper sand-shooting compaction body 6 and the lower sand-shooting compaction body 7 correspond to each other, and the lower compaction slide 9 can support the lower sand-shooting compaction body 7, and when the lower compaction slide 9 moves up and down, it can push the lower sand-shooting compaction body 7, and can move up and down to push the lower sand-shooting compaction body 7. The upper box slide (10) and the lower box slide (11) are moved, thereby driving the upper box assembly 12, the lower box assembly 13 and the middle box assembly 14 to be assembled and spliced ​​together, and then the upper sand-shooting compacting body 6 and the lower sand-shooting compacting body 7 are used to perform sand-blasting operations. The upper sand-shooting compacting body 6 corresponds to the upper box assembly 12, and the lower sand-shooting compacting body 7 corresponds to the lower box assembly 13. When the upper box assembly 12 and the lower box assembly 13 are in the sand-blasting operation, the middle box assembly 14 can assist in carrying the sand-blasting, and the sand-blasting convenience is high.

[0046] The upper compaction oil cylinder 15 can be operated to push the upper compaction slide 8 to move up and down, and the lower compaction oil cylinder 16 can be operated to push the lower compaction slide 9 to move up and down at the same time to move close to each other, and then the upper box assembly 12, the lower box assembly 13 and the middle box assembly 14 are used for sand die casting, the upper box oil cylinder 17 assists in the output die casting of the upper box slide 10, and the lower box oil cylinder 18 performs the force die casting on the lower box slide 11, which can stably and efficiently perform sand die casting, with high die casting efficiency and good die casting quality;

[0047] A guide shaft 4 is provided between the bearing machine base 1 and the bearing top frame 2, which can correspondingly bear the lower sand storage tank 5. The bottom of the lower sand storage tank 5 is fixedly connected and communicated with the lower sand shooting compactor 7, which plays a role in storing sand materials. When the lower sand shooting compactor 7 moves upward for the die-casting sand shooting operation, it can drive the lower sand storage tank 5 at the same time, which can stabilize the sand shooting operation and avoid the outlet connection point of the lower sand storage tank 5 being sealed with a rubber ring, which is prone to sand leakage or sandblasting. The overall sealing is excellent, so that the device structure is tightly connected, the sand shooting compaction is high, and sand blasting is not easy to occur. The die-casting uniformity is high and the production quality is excellent, which solves the problems of the existing connection components being sealed with sealing rings, which are prone to sand leakage or sandblasting, insufficient sand casting uniformity, and affecting the sand casting quality.

[0048] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0049] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A compacting structure of a molding machine, comprising a bearing base (1), characterized in that: A load-bearing top frame (2) is provided on the top of the load-bearing machine base (1); A guide column (3) and a guide shaft (4) are provided between the bearing machine seat (1) and the bearing top frame (2); a lower sand storage tank (5) is provided on the guide shaft (4); an upper compacting slide (8), a lower compacting slide (9), an upper box slide (10) and a lower box slide (11) are correspondingly provided on the guide column (3); an upper box assembly (12), a lower box assembly (13) and a middle box assembly (14) are correspondingly provided between the upper box slide (10) and the lower box slide (11); An upper sand-shooting compacting body (6) is provided on the bearing top frame (2), the bottom of the upper sand-shooting compacting body (6) passes through the upper compacting slide (8) and the upper box slide (10) and is connected to the upper box assembly (12), a lower sand-shooting compacting body (7) is provided on the top of the lower compacting slide (9), the top of the lower sand-shooting compacting body (7) passes through the lower compacting slide (9) and the lower box slide (11) and is connected to the lower box assembly (13), and the opposite sides of the upper sand-shooting compacting body (6) and the lower sand-shooting compacting body (7) both correspond to the middle box assembly (14); An upper compacting oil cylinder (15) is provided between the bearing top frame (2) and the upper compacting slide (8), a lower compacting oil cylinder (16) is provided between the bearing machine base (1) and the lower compacting slide (9), an upper box oil cylinder (17) is provided at the bottom of the upper compacting slide (8), a lower box oil cylinder (18) is provided at the top of the lower compacting slide (9), and the bottom of the lower sand storage tank (5) is fixedly connected and communicated with the lower sand shot compacting body (7).

2. A compacting structure of a molding machine according to claim 1, characterized in that: The four guide columns (3) are rectangularly evenly distributed between the bearing machine base (1) and the bearing top frame (2); the upper compacting slide (8), the lower compacting slide (9), the upper box slide (10) and the lower box slide (11) are all slidably connected to the guide columns (3).

3. The compacting structure of a molding machine according to claim 1, characterized in that: The two guide shafts (4) are correspondingly arranged between the bearing machine base (1) and the bearing top frame (2); the front and rear sides of the lower sand storage tank (5) are respectively hung and slid on the two guide shafts (4); the lower sand storage tank (5) is located on the side of the middle box assembly (14) and has a corresponding position.

4. The compacting structure of a molding machine according to claim 1, characterized in that: A sand storage guide oil cylinder (19) is provided on the top of the carrier base (1), and the top of the sand storage guide oil cylinder (19) is connected to the bottom of the lower sand storage tank (5).

5. The compacting structure of a molding machine according to claim 1, characterized in that: Both sides of the top of the lower sand storage tank (5) are provided with guide positioning rollers (20), and the guide positioning rollers (20) are rollingly connected to the guide shaft (4).

6. The compacting structure of a molding machine according to claim 1, characterized in that: A load-bearing hanging rod (21) is provided between the upper box assembly (12) and the lower box assembly (13), and the two ends of the two load-bearing hanging rods (21) are respectively hung on four guide columns (3), and the two sides of the middle box assembly (14) are respectively hung on the two load-bearing hanging rods (21).

7. A compacting structure of a molding machine according to claim 6, characterized in that: The four corners of the top of the middle box assembly (14) are hinged with movable hanging rods (22), and the top of the movable hanging rod (22) is provided with hanging rollers (23). The four hanging rollers (23) are respectively rollingly hung on the two load-bearing hanging rods (21).

8. The compacting structure of a molding machine according to claim 1, characterized in that: The middle box assembly (14) is located between the upper box assembly (12) and the lower box assembly (13); the middle box assembly (14), the upper box assembly (12) and the lower box assembly (13) are structurally matched and have corresponding positions.

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