Positioning and calibrating device of die-casting machine die

Abstract

The utility model relates to the technical field of die-casting machine dies, and discloses a die-casting machine die positioning and calibrating device which comprises a pushing device and a bearing table, the surface of the bottom end of the bearing table is fixedly connected with a metal bottom plate, the right end of the metal bottom plate is fixedly connected with a fixing plate, and the surface of the left side of the fixing plate is in threaded connection with a shaping die. The bearing table is installed at the left end of the pushing device, the pushing device comprises an electric push rod, a metal frame and a movable mold assembly, the electric push rod is in threaded connection with the left side surface of the metal frame, and the metal frame is installed on the left side surface of the movable mold assembly. According to the positioning and calibrating device for the die-casting machine die, the positioning plug pin, the spiral spring and the die body are arranged, the die body and the metal plate are fixed in an inserted mode through the positioning plug pin, and therefore the die body and the metal plate can be connected and fixed, meanwhile, the spiral spring can provide pre-tightening force, and it is ensured that the movable die plate is stably fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of die casting machine moulds, in particular to a positioning and calibration device for die casting machine moulds. Background Art

[0002] A die-casting machine is a machine used for pressure casting. It includes two types: hot press chamber and cold press chamber. The latter is divided into two types: vertical and horizontal. The die-casting machine hydraulically injects molten metal into the mold under pressure and cools it into shape. After the mold is opened, a solid metal casting can be obtained. It was originally used for die-casting lead type.

[0003] The die-casting machine mold is an indispensable tool in the die-casting molding process. Under the action of the die-casting machine, the liquid metal or alloy is poured into the pre-prepared cavity, and solidified and formed under the action of pressure.

[0004] During the working process of the die-casting machine, the movable platen, as one of the main working parts of the die-casting machine, needs to be frequently installed, disassembled and replaced. At present, the movable platen is generally installed on the middle plate of the die-casting machine through multiple sets of bolts. Although this method can achieve the fixation of the movable platen, the operation process is cumbersome and time-consuming, which seriously affects the working efficiency of the die-casting machine. Utility Model Content

[0005] The purpose of the utility model is to provide a positioning and calibration device for a die-casting machine mold to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning and calibration device for a die-casting machine mold, comprising a pushing device and a supporting platform, the bottom surface of the supporting platform is fixedly connected to a metal base plate, the right end of the metal base plate is fixedly connected to a fixing plate, the left surface of the fixing plate is threadedly connected to a shaping mold, and the supporting platform is installed at the left end of the pushing device.

[0007] The pushing device comprises an electric push rod, a metal frame and a movable mold assembly. The electric push rod is threadedly connected to the left side surface of the metal frame, and the metal frame is installed on the left side surface of the movable mold assembly.

[0008] Preferably, the movable mold assembly includes a mold body, a positioning sleeve, a positioning pin, a metal plate, a limiting threaded rod, a coil spring, a hexagonal nut and a connecting plate, the positioning sleeve is inserted into the inner wall surface of the mold body, the positioning pin is inserted into the left end of the mold body, the metal plate is installed on the left side surface of the mold body, the limiting threaded rod is fixedly connected to the left side surface of the metal plate, the coil spring is fixedly connected to the left side surface of the metal plate, the connecting plate is slidably connected to the threaded end surface of the limiting threaded rod, and the hexagonal nut is threadedly connected to the threaded end surface of the limiting threaded rod.

[0009] Preferably, the number of the limiting threaded rods is four, two of the limiting threaded rods form a group, the two groups of limiting threaded rods are distributed front to back, and the two limiting threaded rods on the same side are distributed up and down.

[0010] Preferably, the limiting threaded rod is located inside the coil spring.

[0011] Preferably, the coil spring is fixedly connected to the right side surface of the connecting plate, and the hexagonal nut is movably connected to the left side surface of the connecting plate. The coil spring and the hexagonal nut can determine the position of the connecting plate, thereby adjusting the position of the metal plate.

[0012] Preferably, the metal frame is fixedly connected to the left side surface of the connecting plate, and the metal frame can determine the position of the connecting plate, making it convenient to disassemble and replace the connecting plate, thereby increasing the service life of the device.

[0013] Preferably, the number of the coil springs is four, and the four coil springs are distributed in a rectangular shape. The four coil springs can perform a rebound operation, thereby being able to adjust the position of the mold body.

[0014] Preferably, the mold body is located on the right side of the shaping mold, and the shaping mold is located above the metal bottom plate, and the shaping operation of the die-casting machine mold can be performed between the mold body and the shaping mold.

[0015] Preferably, the number of the hexagonal nuts is four, and the four hexagonal nuts are distributed in a rectangular shape, and the four hexagonal nuts can adjust the position of the connecting plate.

[0016] Preferably, the number of the positioning pins is four, the four positioning pins are distributed in a rectangular shape, and the positioning pins are composed of a rectangular plate and a pin rod.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The positioning and calibration device of the die-casting machine mold is provided with a positioning pin, a coil spring and a mold body. The mold body and the metal plate are plugged and fixed by the positioning pins, so that the mold body and the metal plate can be connected and fixed. At the same time, the coil spring can provide a preload force to ensure the stable fixation of the moving mold plate.

[0019] 2. The positioning and calibration device of the die-casting machine mold is provided with a hexagonal nut, a limiting threaded rod and a spiral spring. The hexagonal nut rotates on the threaded end surface of the limiting threaded rod. The hexagonal nut can adjust the position of the limiting threaded rod, and the position of the mold body can be adjusted, so that the mold body can be disassembled and replaced conveniently, and the service life of the device can be increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1It is an overall three-dimensional schematic diagram of the utility model;

[0021] Figure 2 It is a top view schematic diagram of the utility model;

[0022] Figure 3 For this utility model Figure 2 A partial enlarged schematic diagram of the structure at center A;

[0023] Figure 4 For this utility model Figure 2 Schematic diagram of the cross section at AA in the middle.

[0024] In the figure: 1. Pushing device; 11. Electric push rod; 12. Metal frame; 13. Moving mold assembly; 131. Mold body; 132. Positioning sleeve; 133. Positioning pin; 134. Metal plate; 135. Limiting threaded rod; 136. Coil spring; 137. Hexagonal nut; 138. Connecting plate; 2. Fixing plate; 3. Shaping mold; 4. Carrying platform; 5. Metal base plate. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-4 , the utility model provides the following technical solutions:

[0027] A positioning and calibration device for a die-casting machine mold includes a pushing device 1 and a supporting platform 4, the bottom surface of the supporting platform 4 is fixedly connected to a metal base plate 5, the right end of the metal base plate 5 is fixedly connected to a fixing plate 2, the left surface of the fixing plate 2 is threadedly connected to a shaping mold 3, and the supporting platform 4 is installed on the left end of the pushing device 1.

[0028] The pushing device 1 includes an electric push rod 11 , a metal frame 12 and a movable mold assembly 13 . The electric push rod 11 is threadedly connected to the left side surface of the metal frame 12 , and the metal frame 12 is installed on the left side surface of the movable mold assembly 13 .

[0029] The movable mold assembly 13 includes a mold body 131, a positioning sleeve 132, a positioning pin 133, a metal plate 134, a limiting threaded rod 135, a coil spring 136, a hexagonal nut 137 and a connecting plate 138. The positioning sleeve 132 is plugged into the inner wall surface of the mold body 131, and the positioning pin 133 is plugged into the left end of the mold body 131. There are four positioning pins 133, which are distributed in a rectangular shape. The positioning pins 133 are composed of a rectangular plate and a pin rod. The mold body 131 is located on the right side of the shaping mold 3. The shaping die 3 is located above the metal bottom plate 5, and the shaping operation of the die casting machine mold can be performed between the die body 131 and the shaping die 3. The metal plate 134 is installed on the left surface of the die body 131, and the limiting threaded rod 135 is fixedly connected to the left surface of the metal plate 134. There are four limiting threaded rods 135, two limiting threaded rods 135 form a group, and the two groups of limiting threaded rods 135 are distributed front and back. The two limiting threaded rods 135 on the same side are distributed up and down. The limiting threaded rod 135 is located inside the coil spring 136, and the coil spring The spring 136 is fixedly connected to the left side surface of the metal plate 134. The number of the coil springs 136 is four. The four coil springs 136 are arranged in a rectangular shape. The four coil springs 136 can perform a rebound operation, thereby adjusting the position of the mold body 131. The coil spring 136 is fixedly connected to the right side surface of the connecting plate 138. The hexagonal nut 137 is movably connected to the left side surface of the connecting plate 138. The coil spring 136 and the hexagonal nut 137 can determine the position of the connecting plate 138, thereby adjusting the position of the metal plate 134. The connecting plate 138 is slidably connected to the threaded end surface of the limiting threaded rod 135, and the metal frame 12 is fixedly connected to the left side surface of the connecting plate 138. The metal frame 12 can determine the position of the connecting plate 138, which is convenient for disassembly and replacement of the connecting plate 138, thereby increasing the service life of the device. The hexagonal nut 137 is threadedly connected to the threaded end surface of the limiting threaded rod 135. There are four hexagonal nuts 137, which are distributed in a rectangular shape. The four hexagonal nuts 137 can adjust the position of the connecting plate 138.

[0030] When in use, the mold body 131 is pushed to move leftward so that the left surface of the mold body 131 and the right surface of the metal plate 134 are initially connected, so that the pin holes opened in the mold body 131 and the pin holes opened in the metal plate 134 are aligned.

[0031] The positioning pin 133 is pushed to move from right to left so that the positioning pin 133 is inserted into the pin hole formed between the metal plate 134 and the positioning pin 133 , thereby determining the position of the mold body 131 .

[0032] By pushing the positioning sleeve 132 and inserting it into the interior of the positioning sleeve 132 , the position of the positioning sleeve 132 can be determined, making it convenient to disassemble and replace positioning sleeves 132 of different specifications.

[0033] The coil spring 136 is pushed to slide along the surface of the limiting threaded rod 135 , so that the right side surface of the coil spring 136 and the left side surface of the metal plate 134 are preliminarily connected, thereby determining the position of the metal plate 134 .

[0034] The metal plate 134 is pushed to move from right to left, so that the metal plate 134 can push the limiting threaded rod 135 to slide at the four corners of the connecting plate 138 , so that the right side surface of the connecting plate 138 and the left side surface of the coil spring 136 are connected.

[0035] The hexagonal nut 137 is rotated on the threaded end surface of the limiting threaded rod 135 , and the hexagonal nut 137 can pull the limiting threaded rod 135 to slide on the four corners of the connecting plate 138 , so that the position of the metal plate 134 can be adjusted.

[0036] Start the electric push rod 11, the electric push rod 11 can push the metal frame 12 to move from left to right, the metal frame 12 can push the connecting plate 138 to move from left to right, the connecting plate 138 can push the mold body 131 to move from left to right, the mold body 131 can drive the positioning sleeve 132 to move from left to right, the positioning sleeve 132 and the shaping mold 3 are closed, so that the casting and shaping operation can be carried out.

[0037] Although the 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 positioning and calibration device for a die-casting machine mold, comprising a pushing device (1) and a bearing platform (4), characterized in that: The bottom surface of the bearing platform (4) is fixedly connected to a metal bottom plate (5), the right end of the metal bottom plate (5) is fixedly connected to a fixing plate (2), the left surface of the fixing plate (2) is threadedly connected to a shaping mold (3), and the bearing platform (4) is installed on the left end of the pushing device (1); The pushing device (1) comprises an electric push rod (11), a metal frame (12) and a movable mold assembly (13); the electric push rod (11) is threadedly connected to the left side surface of the metal frame (12); and the metal frame (12) is installed on the left side surface of the movable mold assembly (13).

2. The positioning and calibration device for a die-casting machine mold according to claim 1, characterized in that: The movable mold assembly (13) comprises a mold body (131), a positioning sleeve (132), a positioning pin (133), a metal plate (134), a limiting threaded rod (135), a coil spring (136), a hexagonal nut (137) and a connecting plate (138); the positioning sleeve (132) is plugged into the inner wall surface of the mold body (131); the positioning pin (133) is plugged into the left end of the mold body (131); the metal plate (134) is installed on the left side surface of the mold body (131); the limiting threaded rod (135) is fixedly connected to the left side surface of the metal plate (134); the coil spring (136) is fixedly connected to the left side surface of the metal plate (134); the connecting plate (138) is slidably connected to the threaded end surface of the limiting threaded rod (135); and the hexagonal nut (137) is threadedly connected to the threaded end surface of the limiting threaded rod (135).

3. The positioning and calibration device for a die-casting machine mold according to claim 2, characterized in that: The number of the limiting threaded rods (135) is four, two of the limiting threaded rods (135) form a group, the two groups of limiting threaded rods (135) are distributed front to back, and the two limiting threaded rods (135) on the same side are distributed up and down.

4. The positioning and calibration device for a die casting machine mold according to claim 3, characterized in that: The limiting threaded rod (135) is located inside the coil spring (136).

5. The positioning and calibration device for a die-casting machine mold according to claim 4, characterized in that: The coil spring (136) is fixedly connected to the right side surface of the connecting plate (138), and the hexagonal nut (137) is movably connected to the left side surface of the connecting plate (138).

6. The positioning and calibration device for a die-casting machine mold according to claim 5, characterized in that: The metal frame (12) is fixedly connected to the left side surface of the connecting plate (138).

7. The positioning and calibration device for a die-casting machine mold according to claim 6, characterized in that: The number of the coil springs (136) is four, and the four coil springs (136) are distributed in a rectangular shape.

8. The positioning and calibration device for a die-casting machine mold according to claim 7, characterized in that: The mold body (131) is located on the right side of the shaping mold (3), and the shaping mold (3) is located above the metal bottom plate (5).

9. The positioning and calibration device for a die-casting machine mold according to claim 8, characterized in that: The number of the hexagonal nuts (137) is four, and the four hexagonal nuts (137) are distributed in a rectangular shape.

10. The positioning and calibration device for a die casting machine mold according to claim 9, characterized in that: The number of the positioning pins (133) is four, and the four positioning pins (133) are distributed in a rectangular shape.

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