Rapid die clamping device of die casting machine

Abstract

The utility model discloses a die quick clamping device of a die casting machine, which comprises a placing table, an outer sliding groove is arranged at the top of the placing table, a clamp assembly is arranged at the top of the placing table, and the clamp assembly comprises a fixing plate, an outer electric rod, a clamping sleeve, a clamping hole, an inner sliding groove, an inner electric rod, a push block, an inner sliding block, a clamping assembly and an outer sliding block. The fixing plate is an L-shaped right-angle plate, the bottom of the fixing plate is fixedly connected with the placing table, and an outer electric rod is fixedly connected into the fixing plate. By arranging the placing table, the outer sliding grooves and the clamp assemblies, the mold is placed on the placing table, then the clamp assemblies are started, the clamp assemblies are located on the diagonal lines of the mold, four corners of the mold are symmetrically clamped, operation is easy, stability is good, mounting and dismounting are convenient, the distance between clamps can be adjusted, and therefore the mold clamping device is suitable for molds of different sizes; and the clamping adaptability and the application range are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping devices, in particular to a quick clamping device for a die of a die-casting machine. Background Art

[0002] Die casting machine is a machine used for pressure casting. It includes hot press chamber and cold press chamber. The latter is divided into two types: vertical and horizontal. Under the action of pressure, the die casting machine hydraulically injects molten metal into the mold for cooling and forming. After the mold is opened, a solid metal casting can be obtained. It was originally used for die casting lead type. With the progress of science and technology and industrial production, especially with the development of industries such as automobiles, motorcycles and household appliances, die casting technology has achieved extremely rapid development.

[0003] In existing die-casting machines, the lower mold is generally fixed by bolts. This method is too cumbersome for installation and disassembly. Frequent disassembly and assembly can easily lead to wear of the bolts, thereby reducing the stability and clamping strength of the clamp. Utility Model Content

[0004] The utility model aims to provide a quick clamping device for a die casting machine. The die is placed on a placing table, and then a clamp assembly is started. The clamp assembly is located on the diagonal of the die, and the four corners of the die are clamped symmetrically. The utility model has simple operation, good stability, and convenient installation and disassembly. The distance between the clamps can also be adjusted to adapt to molds of different sizes, thereby improving the adaptability and practical range of clamping.

[0005] To achieve the above-mentioned purpose, a quick clamping device for a die-casting machine is provided, comprising: a placing table, an outer slide groove is arranged on the top of the placing table, a clamp assembly is arranged on the top of the placing table, the clamp assembly comprises a fixed plate, an outer electric rod, a jacket, a clamping hole, an inner slide groove, an inner electric rod, a push block, an inner slide block, a clamping assembly and an outer slide block, the fixed plate is an "L"-shaped right-angle plate, the bottom of the fixed plate is fixedly connected to the placing table, the inner part of the fixed plate is fixedly connected to the outer electric rod, the end of the outer electric rod away from the fixed plate is fixedly connected to the jacket, the inner part of the jacket is provided with a clamping hole, the inner top and bottom of the inner part of the jacket are both provided with inner slide grooves, the number of the inner slide grooves is provided with two, and the number of the inner slide grooves of the jacket is provided with two. An inner electric rod is fixedly connected inside, and a push block is fixedly connected to one end of the inner electric rod away from the jacket. The cross-section of the push block is an isosceles trapezoid. The top and bottom of the push block are fixedly connected to inner sliding blocks. There are two inner sliding blocks. A clamping assembly is arranged in front of the push block. The clamping assembly includes a rotating rod, an inner roller, an outer roller, and a connecting shaft. There are two rotating rods, which are symmetrically arranged inside the jacket from top to bottom. The inner roller and the outer roller are rotatably connected between the two rotating rods. The two rotating rods are rotatably connected to the jacket via a connecting shaft. There are two clamping assemblies, which are symmetrically distributed in front of the push block. The bottom of the jacket is fixedly connected to the outer sliding block.

[0006] According to the quick clamping device for a die-casting machine, the number of the outer slide grooves is four and they are diagonally symmetrically distributed on the placement table.

[0007] According to the quick clamping device for a die-casting machine, the number of the clamp assemblies is four and they are diagonally symmetrically distributed on the placement table.

[0008] According to the quick clamping device for a die-casting machine, the outer sliding blocks are all located inside the outer sliding grooves.

[0009] According to the quick clamping device for a die-casting machine, the inner slide block is located inside the inner slide groove.

[0010] According to the quick clamping device for a die-casting machine, the outer roller is located outside the jacket, and the inner roller is located inside the jacket.

[0011] According to the quick clamping device for the mold of a die-casting machine, the inner slide groove, the inner electric rod, the push block, the inner slide block, the inner roller and the connecting shaft are all located inside the clamping hole.

[0012] The above scheme has the beneficial effects: by setting a placement table, an outer slide groove and a clamp assembly, the mold is placed on the placement table, and then the clamp assembly is started. The clamp assembly is located on the diagonal of the mold, and the four corners of the mold are symmetrically clamped. The operation is simple, the stability is good, and the installation and disassembly are convenient. The distance between each clamp can also be adjusted to adapt to molds of different sizes, thereby improving the adaptability and practical range of clamping.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is a front view of a quick clamping device for a die casting machine according to the utility model;

[0016] Figure 2 This is a structural diagram of a placement table for a mold quick clamping device of a die-casting machine of the utility model;

[0017] Figure 3 This is a structural diagram of a clamp assembly of a mold quick clamping device for a die-casting machine of the utility model;

[0018] Figure 4 The utility model is a cross-sectional view of a clamp assembly of a mold quick clamping device of a die-casting machine.

[0019] Legend:

[0020] 1. Placement table; 2. External slide groove; 3. Clamp assembly; 301. Fixed plate; 302. External electric rod; 303. Clamping sleeve; 304. Clamping hole; 305. Internal slide groove; 306. Internal electric rod; 307. Push block; 308. Internal slider; 309. Rotating rod; 310. Internal roller; 311. External roller; 312. Connecting shaft; 313. External slider. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-4The utility model embodiment is a mold quick clamping device for a die-casting machine, which includes: a placement table 1, the top of the placement table 1 is provided with an outer slide groove 2, the number of the outer slide grooves 2 is set to four, and they are diagonally symmetrically distributed on the placement table 1, the top of the placement table 1 is provided with a clamp assembly 3, the number of the clamp assembly 3 is set to four, and they are diagonally symmetrically distributed on the placement table 1, the clamp assembly 3 includes a fixed plate 301, an outer electric rod 302, a clamping sleeve 303, a clamping hole 304, an inner slide groove 305, an inner electric rod 306, a push block 307, an inner slide block 308, a clamp assembly and an outer The slider 313, the fixed plate 301 is an "L"-shaped right-angle plate, the bottom of the fixed plate 301 is fixedly connected to the placement table 1, the inner part of the fixed plate 301 is fixedly connected to the outer electric rod 302, the end of the outer electric rod 302 away from the fixed plate 301 is fixedly connected to the jacket 303, the inner part of the jacket 303 is provided with a clamping hole 304, the inner top and bottom of the jacket 303 are both provided with inner slide grooves 305, the number of the inner slide grooves 305 is set to two, the inner part of the jacket 303 is fixedly connected to the inner electric rod 306, the end of the inner electric rod 306 away from the jacket 303 is fixedly connected to the push block 3 07, the cross section of the push block 307 is an isosceles trapezoid, the top and bottom of the push block 307 are fixedly connected with an inner slider 308, the number of the inner slider 308 is set to two, the inner slider 308 is located inside the inner slide groove 305, a clamping assembly is set in front of the push block 307, the clamping assembly includes a rotating rod 309, an inner roller 310, an outer roller 311, and a connecting shaft 312, the number of the rotating rod 309 is set to two, and it is symmetrically arranged inside the jacket 303, the inner roller 310 and the outer roller 311 are rotatably connected between the two rotating rods 309, and the outer roller 311 is located in the jacket 3 03, the inner roller 310 is located inside the jacket 303, and the two rotating rods 309 are rotatably connected to the jacket 303 through the connecting shaft 312. When the push block 307 moves inside the jacket 303, the rotating rod 309 is pushed to rotate, so that the outer roller 311 clamps the mold corner. There are two clamping assemblies, and they are symmetrically distributed in front of the push block 307. The bottom of the jacket 303 is fixedly connected with an outer sliding block 313, and the outer sliding block 313 is located inside the outer slide groove 2, which is convenient for the jacket 303 to move along the outer slide groove 2 to adapt to molds of different sizes.

[0023] The inner slide groove 305 , the inner electric rod 306 , the push block 307 , the inner slide block 308 , the inner roller 310 and the connecting shaft 312 are all located inside the clamping hole 304 .

[0024] Working principle: Place the mold on the placement table 1, start the outer electric rod 302, push the sleeve 303 to move toward the center of the placement table 1, so that the clamp assembly 3 is close to the mold. When the outer roller 311 contacts the mold corner, start the inner electric rod 306 to push the push block 307 to move toward the mold, so that the rotating rod 309 rotates, and then the inner roller 310 opens, while the outer roller 311 is closed, so as to clamp the mold corner. The four clamp assemblies 3 clamp the four corners of the mold at the same time, with high stability.

[0025] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A quick clamping device for a die casting machine, comprising: The placement table (1) is characterized in that an outer slide groove (2) is arranged on the top of the placement table (1), and a clamp assembly (3) is arranged on the top of the placement table (1), and the clamp assembly (3) includes a fixed plate (301), an outer electric rod (302), a clamping sleeve (303), a clamping hole (304), an inner slide groove (305), an inner electric rod (306), a push block (307), an inner slide block (308), a clamping assembly and an outer slide block (313), and the fixed plate (301) is an "L"-shaped right-angle plate, and the The bottom of the fixed plate (301) is fixedly connected to the placement table (1); the interior of the fixed plate (301) is fixedly connected to an outer electric rod (302); one end of the outer electric rod (302) away from the fixed plate (301) is fixedly connected to a jacket (303); a clamping hole (304) is provided inside the jacket (303); the top and bottom of the jacket (303) are both provided with inner slide grooves (305); the number of the inner slide grooves (305) is provided, and the interior of the jacket (303) is fixedly connected to An inner electric rod (306) is provided, and one end of the inner electric rod (306) away from the jacket (303) is fixedly connected to a push block (307), and the cross section of the push block (307) is an isosceles trapezoid. The top and bottom of the push block (307) are fixedly connected to inner sliders (308), and the number of the inner sliders (308) is set to two. A clamping assembly is provided in front of the push block (307), and the clamping assembly includes a rotating rod (309), an inner roller (310), an outer roller (311), and a connecting shaft (312). ), there are two rotating rods (309) and they are symmetrically arranged inside the jacket (303) in the upper and lower directions, an inner roller (310) and an outer roller (311) are rotatably connected between the two rotating rods (309), the two rotating rods (309) and the jacket (303) are rotatably connected via a connecting shaft (312), there are two clamping assemblies and they are symmetrically distributed in front of the push block (307), and an outer sliding block (313) is fixedly connected to the bottom of the jacket (303).

2. A quick clamping device for a die casting machine according to claim 1, characterized in that: The number of the outer sliding grooves (2) is four and they are distributed diagonally symmetrically on the placement platform (1).

3. The quick clamping device for a die casting machine according to claim 1, characterized in that: The number of the clamp assemblies (3) is four and they are distributed diagonally symmetrically on the placement table (1).

4. A quick clamping device for a die casting machine according to claim 3, characterized in that: The outer sliding blocks (313) are all located inside the outer sliding grooves (2).

5. The quick clamping device for a die casting machine according to claim 3, characterized in that: The inner sliding block (308) is located inside the inner sliding groove (305).

6. A quick clamping device for a die casting machine according to claim 1, characterized in that: The outer roller (311) is located outside the jacket (303), and the inner roller (310) is located inside the jacket (303).

7. A quick clamping device for a die casting machine according to claim 1, characterized in that: The inner slide groove (305), the inner electric rod (306), the push block (307), the inner slide block (308), the inner roller (310) and the connecting shaft (312) are all located inside the clamping hole (304).

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