Low-pressure casting machine

Abstract

The utility model relates to the technical field of low-pressure casting machines, and discloses a low-pressure casting machine which comprises a base, a mold groove is formed in the top of the base, a connecting cavity is formed in the base, and the left side and the right side of the top of the base are each provided with two stand columns which are symmetrically distributed front and back. The tops of the two stand columns on the left side are provided with fixed transverse plates fixedly connected with the tops of the two stand columns on the right side, and the exteriors of the two stand columns on the left side are provided with downward pressing seats slidably connected with the exteriors of the two stand columns on the right side. According to the low-pressure casting machine, by arranging the stripping assembly, when a cast workpiece needs to be demolded, two servo motors, a disc, a circular shaft and a connecting rod are used in cooperation, so that a sliding plate drives an extension rod and a stripping plate to move upwards, the workpiece is ejected out of a mold groove, and then the purpose that the workpiece is demolded conveniently is achieved; manual demolding by staff is not needed, the demolding efficiency is improved, the practicability of the device is improved, and the device is convenient to use by the staff.

Description

Technical Field

[0001] The utility model relates to the technical field of low-pressure casting machines, in particular to a low-pressure casting machine. Background Art

[0002] Low-pressure casting machine is a general equipment for low-pressure casting of aluminum alloys. It can be widely used in the production of aluminum alloy castings in automobiles, motorcycles, instruments, textile machinery and aerospace industries. The low-pressure casting machine consists of a main machine, a hydraulic system, a molten pool holding furnace, a liquid surface pressurizing device, an electrical control system and a mold cooling system.

[0003] The reference authorization number is "CN212734106U", and the name is "A low-pressure casting machine". Although this application solves the problem that "at present, low-pressure casting machines are very common and very important equipment in the process of metal manufacturing, and the existing low-pressure casting machines are prone to adhesion after pressing the material", it also has the problem that after the casting is completed, the employees need to manually separate the workpiece from the mold groove, and the demolding efficiency is low, which affects the work effect. After the demolding is completed, the workpiece needs to be manually placed in the collection box, which increases the labor intensity of the staff and is time-consuming and labor-intensive. Therefore, a low-pressure casting machine is proposed to solve the above-mentioned technical problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a low-pressure casting machine, which has the advantages of being easy to demold the workpiece and easy to collect and process the workpiece after demolding, and solves the problem that after casting is completed, employees need to manually separate the workpiece from the mold groove, the demolding efficiency is low, and the work effect is affected. After demolding is completed, the workpiece needs to be manually placed in a collection frame, which increases the labor intensity of the staff and is time-consuming and labor-intensive.

[0005] In order to achieve the above-mentioned purpose of facilitating demoulding of the workpiece and facilitating collection and processing of the workpiece after demoulding, the utility model provides the following technical solutions: a low-pressure casting machine, comprising a base, a mold groove is arranged on the top of the base, a connecting cavity is arranged inside the base, two columns are arranged on the left and right sides of the top of the base and are symmetrically distributed front and back, a fixed cross plate fixedly connected to the top of the two columns on the right is arranged on the top of the two columns on the left, a lower pressure seat slidably connected to the outside of the two columns on the right is arranged on the outside of the two columns on the left, a hydraulic push rod is arranged on the top of the fixed cross plate, the output end of the hydraulic push rod is connected to the top of the lower pressure seat, a stripping component tightly fitted with the inner wall of the mold groove is arranged inside the connecting cavity, a pushing component is arranged on the top of the base, the pushing component is located on the left side of the mold groove, and a collection frame is arranged on the right side wall of the base;

[0006] The stripping assembly includes a sliding plate, a sliding plate is provided on the inner wall of the connecting cavity, and extension rods with one end extending into the interior of the mold groove are provided on the left and right sides of the top of the sliding plate, and a stripping plate with one end fixedly connected to the top of the right extension rod is provided on the top of the left extension rod, and the stripping plate is tightly fitted with the inner wall of the mold groove, and a compression spring located between the two extension rods is provided between the top of the sliding plate and the inner top wall of the connecting cavity, and two servo motors are provided on the rear side of the inner wall of the connecting cavity and are symmetrically distributed on the left and right sides, and discs are provided at the output shafts of the two servo motors, and circular shafts are provided on the front side walls of the two discs, and connecting rods hinged to the top of the sliding plate are provided on the outside of the two circular shafts, and the two connecting rods are respectively located on the opposite sides of the two extension rods;

[0007] The pusher assembly includes an electric push rod, and the top of the base is provided with an electric push rod located on the left side of the mold groove. The number of the electric push rods is two and they are symmetrically distributed front to back. The output end of the front electric push rod is provided with a pusher plate with one end fixedly connected to the output end of the rear electric push rod.

[0008] Preferably, the inner wall of the connecting cavity is provided with a sliding groove adapted to the moving track of the sliding plate.

[0009] Preferably, the inner bottom wall of the mold groove is connected to a through hole which is opened on the base and connected to the top wall of the connecting cavity, and the diameter of the through hole is matched with the diameter of the extension rod.

[0010] Preferably, when the stripping plate moves upward to the highest point, its top is flush with the top of the base.

[0011] Preferably, the interior of the collecting frame is hollow and the top thereof is designed to be open.

[0012] Compared with the prior art, the utility model provides a low-pressure casting machine, which has the following beneficial effects:

[0013] 1. The low-pressure casting machine is provided with a stripping assembly. When the cast workpiece needs to be demolded, the two servo motors, the disc, the round shaft and the connecting rod are used in coordination, so that the sliding plate drives the extension rod and the stripping plate to move up, and the workpiece is ejected from the mold groove, thereby achieving the purpose of facilitating the demolding of the workpiece. There is no need for employees to manually demold, which improves the demolding efficiency and the practicability of the device.

[0014] 2. The low-pressure casting machine is provided with a pusher assembly and a collection frame. When the stripper plate moves up to the highest point, the electric push rod is started to drive the pusher plate to move to the right, and the ejected workpiece is pushed into the collection frame, thereby facilitating the collection and processing of the workpiece after demoulding. There is no need for manual collection, which reduces the labor intensity of the staff and further improves the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a partial cross-sectional schematic diagram of the connection between the mold groove and the stripping component of the utility model.

[0017] In the figure: 1. base; 2. mold groove; 3. connecting cavity; 4. column; 5. fixed horizontal plate; 6. hydraulic push rod; 7. lower pressure seat; 8. stripping assembly; 81. sliding plate; 82. extension rod; 83. stripping plate; 84. compression spring; 85. servo motor; 86. disc; 87. round shaft; 88. connecting rod; 9. pushing assembly; 91. electric push rod; 92. pushing plate; 10. collection frame. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-2 A low-pressure casting machine includes a base 1, a mold groove 2 is provided on the top of the base 1, a connecting cavity 3 is provided inside the base 1, two columns 4 are fixedly connected to the left and right sides of the top of the base 1 and are symmetrically distributed front to back, the tops of the two left columns 4 are fixedly connected to a fixed cross plate 5 fixedly connected to the tops of the two right columns 4, the outsides of the two left columns 4 are slidably connected to a lower pressure seat 7 slidably connected to the outsides of the two right columns 4, the top of the fixed cross plate 5 is fixedly connected to a hydraulic push rod 6, and the output end of the hydraulic push rod 6 is fixedly connected to the top of the lower pressure seat 7.

[0020] The connecting cavity 3 is internally movably connected with a stripping assembly 8 that fits tightly with the inner wall of the mold groove 2. The stripping assembly 8 includes a sliding plate 81. The inner wall of the connecting cavity 3 is slidably connected with the sliding plate 81. The inner wall of the connecting cavity 3 is provided with a sliding groove that matches the moving trajectory of the sliding plate 81. The left and right sides of the top of the sliding plate 81 are fixedly connected with an extension rod 82 that extends into the mold groove 2 at one end. The inner bottom wall of the mold groove 2 is connected with a through hole that is opened on the base 1 and connected to the inner top wall of the connecting cavity 3. The diameter of the through hole is adapted to the diameter of the extension rod 82. The top of the left extension rod 82 is fixedly connected with a stripping plate 83 that is fixedly connected to the top of the right extension rod 82 at one end. When the stripping plate 83 moves upward to the highest point Its top is flush with the top of the base 1, the stripping plate 83 fits tightly against the inner wall of the mold groove 2, a compression spring 84 located between the two extension rods 82 is fixedly connected between the top of the sliding plate 81 and the inner top wall of the connecting cavity 3, and two servo motors 85 symmetrically distributed on the left and right are fixedly connected to the rear side of the inner wall of the connecting cavity 3. The models of the two servo motors 85 are both MC35-20, and the output shafts of the two servo motors 85 are fixedly connected with a disk 86, and the front side walls of the two disks 86 are fixedly connected with a circular shaft 87. The outside of the two circular shafts 87 are both covered with a connecting rod 88 hinged to the top of the sliding plate 81, and the two connecting rods 88 are respectively located on the opposite sides of the two extension rods 82.

[0021] The top of the base 1 is fixedly connected to a pushing assembly 9 located on the left side of the mold slot 2, and the right side wall of the base 1 is fixedly connected to a collecting frame 10. The interior of the collecting frame 10 is hollow and its top is designed to be open. The pushing assembly 9 includes an electric push rod 91. The top of the base 1 is fixedly connected to an electric push rod 91 located on the left side of the mold slot 2. The model of the two electric push rods 91 is SEA801. There are two electric push rods 91 and they are symmetrically distributed front to back. The output end of the front electric push rod 91 is fixedly connected to a pushing plate 92 having one end fixedly connected to the output end of the rear electric push rod 91.

[0022] During use, after the workpiece is cast, the two servo motors 85 are started to drive the disc 86 to rotate through the output shaft, and then the disc 86, the round shaft 87 and the connecting rod 88 are used in coordination to make the sliding plate 81 drive the extension rod 82 and the stripping plate 83 to move upward, and the workpiece is ejected from the mold groove 2 to complete the demolding of the workpiece. When the stripping plate 83 moves up to the highest point, the electric push rod 91 is started to drive the pushing plate 92 to move to the right, and the ejected workpiece is pushed into the interior of the collection frame 10 to complete the collection and processing of the workpiece.

[0023] It is worth noting that the servo motor 85, hydraulic push rod 6 and electric push rod 91 appearing in the present application document are all externally connected to a control switch and a driving power supply, and the servo motor 85, hydraulic push rod 6 and electric push rod 91 are all conventionally known equipment, and the standard parts used in the present application document can be purchased from the market. The specific connection method of each part is connected by conventional means such as mature bolts, rivets, welding, etc. in the prior art, and the machinery, parts and equipment are all conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art. The contents not described in detail in the description belong to the prior art known to professional and technical personnel in this field, and will not be described in detail here.

[0024] In summary, the low-pressure casting machine, by setting a stripping component 8, when it is necessary to demold the cast workpiece, the two servo motors 85, the disc 86, the round shaft 87 and the connecting rod 88 are used in coordination, so that the sliding plate 81 drives the extension rod 82 and the stripping plate 83 to move up, and the workpiece is ejected from the mold groove 2, thereby achieving the purpose of facilitating the demolding of the workpiece, without the need for employees to manually demold, thereby improving the demolding efficiency and the practicality of the device. By setting a pushing component 9 and a collecting frame 10, when the stripping plate 83 moves up to the highest point, the electric push rod 91 is started at this time to drive the pushing plate 92 to move to the right, and the ejected workpiece is pushed into the interior of the collecting frame 10, thereby achieving the purpose of facilitating the collection and processing of the demolded workpiece, without the need for manual collection, reducing the labor intensity of the staff, further improving the practicality of the device, and solving the problem that after casting is completed, the staff needs to manually separate the workpiece from the mold groove, the demolding efficiency is low, and the work effect is affected. After the demolding is completed, the workpiece needs to be manually placed in the collection frame, which increases the labor intensity of the staff and is time-consuming and labor-intensive.

[0025] 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 presence of other identical elements in the process, method, article or device including the elements.

[0026] 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 low pressure casting machine, comprising a base (1), characterized in that: A mold groove (2) is arranged on the top of the base (1), a connecting cavity (3) is arranged inside the base (1), two columns (4) are arranged on the left and right sides of the top of the base (1) and are symmetrically distributed in the front and back, a fixed horizontal plate (5) fixedly connected to the tops of the two columns (4) on the left is arranged on the top of the two columns (4) on the right, a lower pressing seat (7) slidably connected to the outside of the two columns (4) on the right is arranged on the outside of the two columns (4) on the left, a hydraulic push rod (6) is arranged on the top of the fixed horizontal plate (5), the output end of the hydraulic push rod (6) is connected to the top of the lower pressing seat (7), a stripping assembly (8) tightly fitted with the inner wall of the mold groove (2) is arranged inside the connecting cavity (3), a pushing assembly (9) is arranged on the top of the base (1), and the pushing assembly (9) is located on the left side of the mold groove (2), and a collecting frame (10) is arranged on the right side wall of the base (1); The stripping assembly (8) comprises a sliding plate (81), the inner wall of the connecting cavity (3) is provided with the sliding plate (81), the top of the sliding plate (81) is provided with extension rods (82) at one end extending into the interior of the mold groove (2) on both left and right sides, the top of the left extension rod (82) is provided with a stripping plate (83) at one end fixedly connected to the top of the right extension rod (82), the stripping plate (83) is tightly fitted with the inner wall of the mold groove (2), and a stripping plate (83) is provided between the top of the sliding plate (81) and the inner top wall of the connecting cavity (3). A compression spring (84) is provided between the two extension rods (82); two servo motors (85) are provided on the rear side of the inner wall of the connection cavity (3) and are symmetrically distributed on the left and right sides; a disk (86) is provided at the output shaft of the two servo motors (85); a circular shaft (87) is provided on the front side wall of the two circular disks (86); a connecting rod (88) hinged to the top of the sliding plate (81) is provided on the outside of the two circular shafts (87); the two connecting rods (88) are respectively located on opposite sides of the two extension rods (82); The pusher assembly (9) comprises an electric push rod (91), the top of the base (1) is provided with an electric push rod (91) located on the left side of the mold groove (2), the number of the electric push rods (91) is two and they are symmetrically distributed front to back, and the output end of the front electric push rod (91) is provided with a pusher plate (92) with one end fixedly connected to the output end of the rear electric push rod (91).

2. A low pressure casting machine according to claim 1, characterized in that: The inner wall of the connecting cavity (3) is provided with a sliding groove adapted to the moving track of the sliding plate (81).

3. A low pressure casting machine according to claim 1, characterized in that: The inner bottom wall of the mold groove (2) is connected to a through hole which is provided on the base (1) and is connected to the inner top wall of the connecting cavity (3); the diameter of the through hole is matched to the diameter of the extension rod (82).

4. A low pressure casting machine according to claim 1, characterized in that: When the stripping plate (83) moves upward to the highest point, its top is flush with the top of the base (1).

5. A low pressure casting machine according to claim 1, characterized in that: The interior of the collecting frame (10) is hollow and the top thereof is designed to be open.

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