Impeller mold core-pulling structure

Abstract

The utility model discloses an impeller mold core-pulling structure in the technical field of mechanical molds, which comprises a shell main body, a limiting sleeve is fixedly sleeved in the middle of the surface of a sliding rod, a second fixing disc is fixedly mounted in the middle of the inner side of the shell main body, and the bottom of the limiting sleeve is in contact with the surface of the second fixing disc. Straight holes are formed in the surface of the second fixing disc in a penetrating mode, the straight holes are circumferentially and evenly formed around the circle center of the second fixing disc, the lower portions of the sliding rods are arranged in the straight holes in a sliding mode, and the sliding rods in the arc-shaped holes in the surface of the first fixing disc can be driven by a shifting rod to move on the inner sides of the straight holes in the surface of the second fixing disc. The sliding rod drives the sliding block at the bottom end to slide back and forth in the sliding groove, the effect of automatically stretching out and drawing back the mold head is achieved, then rotary core-pulling demolding between the multiple sets of sliding blocks and the mold head is achieved, the core-pulling effect on the impeller mold is achieved, and the manufacturing cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical mould technical field, concretely relates to a impeller mould core -pulling structure. BACKGROUND

[0002] The main reason for core pulling of the impeller mould is to solve the problem of special shape and hole in mould design. Core pulling process is not necessary in mould design, but it may be necessary in some cases, especially when designing parts with special shape or hole, core pulling process is necessary. For example, the impeller mould may contain complex bosses, grooves and other shapes, which cannot be fully formed by traditional mould design method, so core pulling process is needed.

[0003] The existing impeller mould core-pulling structure is very useful for manufacturing parts with complex shape, but its cost is high, and it needs longer manufacturing time and support of special cutting tools, therefore we provide an impeller mould core-pulling structure. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an impeller mould core-pulling structure to solve the problem of high cost of the existing impeller mould core-pulling structure in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: an impeller mould core-pulling structure, which comprises a shell main body, a top cover is arranged above the shell main body, an injection port is arranged on the surface of the top cover, a sliding hole is arranged on one side of the shell main body, a first fixing disc is arranged on the inner side of the shell main body, an arc-shaped hole is arranged on the surface of the first fixing disc, a push rod is arranged on the inner side of the sliding hole, a sliding rod is arranged on the inner side of the arc-shaped hole, a limiting sleeve is arranged on the surface of the sliding rod, a second fixing disc is arranged on the inner side of the shell main body, a straight hole is arranged on the surface of the second fixing disc, a sliding block is arranged at the bottom end of the sliding rod, a mould head is arranged on one end of the sliding block, a bottom disc is arranged on the inner side of the shell main body, a sliding groove is arranged on the surface of the bottom disc, a sliding plate is arranged at the bottom of the sliding block, and a perforation is arranged on the outer surface of the shell main body.

[0006] Preferably, the injection port is arranged in the middle of the surface of the top cover, the sliding hole is arranged through the surface of one side of the shell main body, and the first fixing disc is rotatably connected to the upper inner side of the shell main body.

[0007] Preferably, the arc-shaped hole is arranged through the surface of the first fixing disc, a plurality of groups of arc-shaped holes are evenly arranged around the center of the first fixing disc, the push rod is fixedly connected to one side of the bottom of the first fixing disc, and the sliding rod is slidably connected to the inner side of the arc-shaped hole.

[0008] Preferably, the surface of the slide rod is sleeved with a limiting sleeve in the middle, the inner side of the shell body is fixedly installed with a second fixed disc in the middle, the bottom of the limiting sleeve is in surface contact with the second fixed disc, the surface of the second fixed disc is provided with a straight hole, a plurality of groups of the straight holes are evenly arranged around the center of the second fixed disc, and the lower side of the slide rod is slidably arranged in the straight hole.

[0009] Preferably, the bottom end of the slide rod is fixedly connected with a sliding block, one end of the sliding block is fixedly installed with a mold head, and the inner side of the shell body is fixedly installed with a bottom disc.

[0010] Preferably, the surface of the bottom disc is fixedly provided with a sliding groove, a plurality of groups of the sliding grooves are evenly arranged around the center of the bottom disc, the bottom of the sliding block is fixedly connected with a sliding plate, the sliding plate is slidably arranged on the inner side of the sliding groove, and the outer surface of the shell body is provided with a through hole, and the sliding plate is slidably arranged in the through hole.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The slide rod can drive the slide rod in the arc-shaped hole of the surface of the first fixed disc to move in the inner side of the straight hole of the surface of the second fixed disc, the slide rod drives the sliding block at the bottom to slide back and forth in the sliding groove, the automatic extension and retraction effect of the mold head is realized, the rotation core pulling and demolding between the plurality of sliding blocks and the mold head is realized, the core pulling effect of the impeller mold is realized, and the manufacturing cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the whole structure schematic view of the utility model;

[0014] Fig. 2 It is the first fixed disc structure schematic view of the utility model;

[0015] Fig. 3 It is the explosion structure schematic view of the utility model.

[0016] In the drawing: 1, shell body; 2, top cover; 3, injection port; 4, sliding hole; 5, first fixed disc; 6, arc-shaped hole; 7, slide rod; 8, limiting sleeve; 9, second fixed disc; 10, straight hole; 11, sliding block; 12, mold head; 13, bottom disc; 14, sliding groove; 15, sliding plate; 16, through hole; 17, lever. DETAILED DESCRIPTION

[0017] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.

[0018] Please refer to Figs. 1-3 The utility model provides a technical scheme: a impeller mould core -pulling structure, including shell main part 1, the top of shell main part 1 is equipped with the top 2, the surface of top 2 is equipped with the injection port 3, one side of shell main part 1 is equipped with slide hole 4, the inside of shell main part 1 is equipped with first fixed disc 5, the surface of first fixed disc 5 is equipped with arc hole 6, the inside of slide hole 4 is equipped with the lever 17, the inside of arc hole 6 is equipped with slide rod 7, the surface of slide rod 7 is equipped with limit sleeve 8, the inside of shell main part 1 is equipped with second fixed disc 9, the surface of second fixed disc 9 is equipped with straight hole 10, the bottom of slide rod 7 is equipped with sliding block 11, one end of sliding block 11 is equipped with mould head 12, the inside of shell main part 1 is equipped with bottom disc 13, the surface of bottom disc 13 is equipped with sliding groove 14, the bottom of sliding block 11 is equipped with sliding plate 15, the outside surface of shell main part 1 is equipped with perforation 16.

[0019] Specifically, the surface of the top 2 is fixedly provided with an injection port 3 in the middle, the surface of one side of the shell main part 1 is through-provided with a slide hole 4, the inside of the shell main part 1 is rotatably connected with a first fixed disc 5 at the top, the surface of the first fixed disc 5 is through-provided with an arc hole 6, the arc hole 6 is evenly provided in multiple groups around the center of the first fixed disc 5, the bottom side of the first fixed disc 5 is fixedly connected with a lever 17, the inside of the arc hole 6 is slidably connected with a slide rod 7, the surface of the slide rod 7 is fixedly sleeved with a limit sleeve 8 in the middle, the inside of the shell main part 1 is fixedly installed with a second fixed disc 9 in the middle, the bottom of the limit sleeve 8 is in contact with the surface of the second fixed disc 9, the surface of the second fixed disc 9 is through-provided with a straight hole 10, the straight hole 10 is evenly provided in multiple groups around the center of the second fixed disc 9, the slide rod 7 is slidably arranged in the inside of the straight hole 10 below, the bottom end of the slide rod 7 is fixedly connected with a sliding block 11, one end of the sliding block 11 is fixedly installed with a mould head 12, the inside of the shell main part 1 is fixedly installed with a bottom disc 13 below, the surface of the bottom disc 13 is fixedly provided with a sliding groove 14, the sliding groove 14 is evenly provided in multiple groups around the center of the bottom disc 13, the bottom of the sliding block 11 is fixedly connected with a sliding plate 15, the sliding plate 15 is slidably arranged in the inside of the sliding groove 14, the outside surface of the shell main part 1 is through-provided with a perforation 16, and the sliding plate 15 is slidably arranged in the inside of the perforation 16.

[0020] In the embodiment, the injection port 3 is arranged to facilitate grouting into the inside of the shell body 1, the first fixed disc 5 is driven to rotate back and forth in the inside of the shell body 1 by the push rod 17, the rotation of the first fixed disc 5 drives the slide rod 7 to move in the straight hole 10 on the surface of the second fixed disc 9 through the arc-shaped hole 6 on the surface, the movement of the slide rod 7 in the straight hole 10 drives the slide block 11 at the bottom to slide back and forth in the sliding groove 14, the sliding of the slide block 11 drives the mold head 12 at the end to extend and retract, so that the plurality of slide blocks 11 and the mold head 12 rotate to realize the core-pulling demolding effect on the impeller mold.

[0021] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A core-pulling structure for an impeller mold comprising a housing main body (1), characterized by: The upper side of the shell body (1) is provided with a top cover (2), the surface of the top cover (2) is provided with an injection port (3), one side of the shell body (1) is provided with a sliding hole (4), the inner side of the shell body (1) is provided with a first fixed disc (5), the surface of the first fixed disc (5) is provided with an arc-shaped hole (6), the inner side of the sliding hole (4) is provided with a push rod (17), the inner side of the arc-shaped hole (6) is provided with a sliding rod (7), the surface of the sliding rod (7) is provided with a limiting sleeve (8), the inner side of the shell body (1) is provided with a second fixed disc (9), the surface of the second fixed disc (9) is provided with a straight hole (10), the bottom end of the sliding rod (7) is provided with a sliding block (11), one end of the sliding block (11) is provided with a mold head (12), the inner side of the shell body (1) is provided with a bottom disc (13), the surface of the bottom disc (13) is provided with a sliding groove (14), the bottom of the sliding block (11) is provided with a sliding plate (15), the outer side surface of the shell body (1) is provided with a perforation (16).

2. A core-drawing structure for an impeller mold according to claim 1, wherein: The surface of the top cover (2) is fixedly provided with an injection port (3) in the middle, and the surface of the shell body (1) is provided with a sliding hole (4) penetratingly.

3. A core-drawing structure for an impeller mold according to claim 1, wherein: The surface of the first fixed disc (5) is provided with an arc-shaped hole (6) penetratingly, a plurality of groups of arc-shaped holes (6) are uniformly provided around the center of the first fixed disc (5), and the bottom side of the first fixed disc (5) is fixedly connected with a push rod (17).

4. The core structure of claim 1, wherein: The surface of the sliding rod (7) is fixedly provided with a limiting sleeve (8) in the middle, the inner side of the shell body (1) is fixedly provided with a second fixed disc (9) in the middle, the bottom of the limiting sleeve (8) is in contact with the surface of the second fixed disc (9), the surface of the second fixed disc (9) is provided with a straight hole (10) penetratingly, a plurality of groups of straight holes (10) are uniformly provided around the center of the second fixed disc (9), and the sliding rod (7) is slidably arranged in the straight hole (10).

5. A core-drawing structure for an impeller according to claim 1, wherein: The bottom end of the sliding rod (7) is fixedly connected with a sliding block (11), one end of the sliding block (11) is fixedly provided with a mold head (12), and the inner side of the shell body (1) is fixedly provided with a bottom disc (13) below.

6. A core-drawing structure for an impeller according to claim 1, wherein: The surface of the bottom disc (13) is fixedly provided with a sliding groove (14), a plurality of groups of sliding grooves (14) are uniformly provided around the center of the bottom disc (13), the bottom of the sliding block (11) is fixedly connected with a sliding plate (15), the sliding plate (15) is slidably arranged in the inner side of the sliding groove (14), and the outer side surface of the shell body (1) is provided with a perforation (16) penetratingly, and the sliding plate (15) is slidably arranged in the inner side of the perforation (16).

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