Hook claw half-wrapped sand core caliper structure

Abstract

The utility model discloses a hook claw half-ladle sand core caliper structure which comprises a sprue cup, a sprue connected with the sprue cup, a filter screen arranged in the middle of the sprue, middle sprue pressing edges arranged on two sides of the middle of the sprue, a middle small cross gate connected with each middle small cross gate, and a middle small cross gate connected with each middle small cross gate. The top end of each middle small runner is connected with a middle water inlet pressing edge, the top end of each water inlet pressing edge is connected with a water inlet runner and a riser, the middle riser is connected with a casting through a middle riser neck, the two sides of the bottom of the sprue extend to form sprue pressing edges, the sprue pressing edge on each side is connected with a small runner, and the small runners are connected with the water inlet pressing edges. The top end of the water inlet pressing edge is connected with a water inlet runner and a riser which is connected with a casting through a riser neck; the problem of the visual surface quality of the hook claw can be solved, the grinding efficiency is improved, sand core parting does not pass through the hook claw and only makes contact with the machining surface of the hook claw, one riser and one sand core of each casting guarantee complete feeding of the castings, shrinkage porosity is avoided, batch production can be achieved, and the quality stability of the castings is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of parts casting production, specifically relates to a claw half-pack sand core clamp structure. BACKGROUND

[0002] The clamp body is one of the main parts on the automobile hydraulic disc brake, and is used in cooperation with the brake piston, brake disc, friction plate and clamp support after processing, and is used for automobile brake braking, and is directly related to the safety performance of the automobile, therefore, the design standard of the clamp body has very strict requirements.

[0003] At present, some new energy vehicles have higher and higher braking requirements, and the intuitive surface of the clamp is also required to be high, the intuitive surface cannot have too large polishing marks, the burr height is below 0-0.5mm, the burr width is below 3mm, and the conventional manual polishing cannot meet the requirements, and the robot can meet the basic requirements of large plane polishing, but the corner is often polished and reworked, which affects the polishing efficiency. UTILITY MODEL CONTENTS

[0004] In view of the above technical problems in the related art, the utility model provides a claw half-pack sand core clamp structure, which can solve the above problems.

[0005] To achieve the above technical purposes, the technical scheme of the utility model is as follows:

[0006] A claw half-pack sand core clamp structure, characterized by comprising a sprue cup, the sprue cup is connected with a straight sprue, a filter screen is arranged in the middle of the straight sprue, middle straight sprue edge rollers are arranged on the two sides of the middle of the straight sprue, each middle straight sprue edge roller is connected with a middle small cross sprue, the top end of each middle small cross sprue is connected with a middle water inlet edge roller, the top end of the middle water inlet edge roller is connected with a middle water inlet sprue, the top end of the middle water inlet sprue is connected with a middle riser, the middle riser is connected with a casting through a middle riser neck arranged on one side of the bottom, straight sprue edge rollers are arranged on the two sides of the bottom of the straight sprue, the straight sprue edge roller on each side is connected with a small cross sprue, the top end of the small cross sprue is connected with a water inlet edge roller, the top end of the water inlet edge roller is connected with a water inlet sprue, the water inlet sprue is connected with a riser, and the riser is connected with a casting through a riser neck arranged on the two sides of the bottom.

[0007] Further, a sand core is arranged on the upper part of each casting, a claw is arranged on the side of each casting, a positioning surface is arranged on the bottom of each casting, and a clamping surface is arranged on the top of each casting.

[0008] Further, the castings are arranged horizontally.

[0009] Further, the castings are arranged horizontally.

[0010] The structure of the present application can solve the quality of the claw intuitive surface, and improve the polishing efficiency. In the perpendicular line design, six castings are arranged in one mold, the sand core parting does not pass through the claw, only contacts the claw processing surface, the castings are arranged horizontally, the riser neck is designed near the observation window, one riser and one sand core of each casting ensure complete feeding of the castings to realize non-shrinkage, batch production can be realized to improve the stability of the casting quality, and the return of goods caused by poor polishing of the claw body intuitive surface is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0012] The present application will be further described in detail below according to the drawings.

[0013] Figure 1 is a front view of a claw half-enclosed sand core clamp structure according to an embodiment of the present application;

[0014] Figure 2 is a rear view of a claw half-enclosed sand core clamp structure according to an embodiment of the present application;

[0015] Figure 3 is a top view of a claw half-enclosed sand core clamp structure according to an embodiment of the present application;

[0016] Figure 4 is a bottom view of a claw half-enclosed sand core clamp structure according to an embodiment of the present application;

[0017] Figure 5 is a left view of a claw half-enclosed sand core clamp structure according to an embodiment of the present application;

[0018] Figure 6 is a right view of a claw half-enclosed sand core clamp structure according to an embodiment of the present application;

[0019] In the drawings:

[0020] 1, sprue cup; 2, straight sprue; 3, filter screen; 4, middle straight sprue pressing edge; 5, middle small cross sprue; 6, middle water inlet pressing edge; 7, middle water inlet sprue; 8, middle riser; 9, middle riser neck; 10, casting; 11, sand core; 12, claw; 13, positioning surface; 14, clamping surface; 15, straight sprue pressing edge; 16, small cross sprue; 17, water inlet pressing edge; 18, water inlet sprue; 19, riser; 20, riser neck. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of the present invention.

[0022] like Figures 1-6 As shown, according to the utility model, a hook claw half-wrapped sand core caliper structure is disclosed, including a pouring cup 1, the pouring cup 1 is connected to the sprue 2, a filter screen 3 is provided in the middle of the sprue 2, and a middle sprue pressure edge 4 is provided on both sides of the middle of the sprue 2, each of the middle sprue pressure edges 4 is connected to a middle small cross runner 5, and the top of each middle small cross runner 5 is connected to a middle water inlet pressure edge 6, and the top of the middle water inlet pressure edge 6 is connected to the middle water inlet runner 7, and the middle water inlet runner 7 The top end is connected to the middle riser 8, and the middle riser 8 is connected to the casting 10 through the middle riser neck 9 provided on one side of the bottom. The sprue 2 has sprue pressure edges 15 extending on both sides of the bottom, and the sprue pressure edge 15 on each side is connected to the small cross runner 16. The top end of the small cross runner 16 is connected to the water inlet pressure edge 17, and the top end of the water inlet pressure edge 17 is connected to the water inlet runner 18. The water inlet runner 18 is connected to the riser 19, and the riser 19 is connected to the casting 10 through the riser necks 20 provided on both sides of the bottom.

[0023] In one embodiment of the present invention, a sand core 11 is provided on the upper portion of each casting 10, a hook 12 is provided on the side of each casting 10, a positioning surface 13 is provided on the bottom of each casting 10, and a clamping surface 14 is provided on the top of each casting 10;

[0024] The hook of the present application is not wrapped with a sand core, and will not produce defects such as air holes or sand core damage. The hook edge can be processed without grinding. The structure can solve the problem of the quality of the hook's visual surface and improve grinding efficiency. In the vertical line design, the casting is arranged in a mold of six pieces. The sand core parting does not pass through the hook and only contacts the processed surface of the hook. The casting is arranged horizontally, and the riser neck is designed near the observation window. Each casting has a riser and a sand core to ensure that the casting is fully compensated for shrinkage and has no shrinkage. It can achieve mass production and improve the stability of casting quality, avoiding returns due to poor grinding of the caliper body's visual surface.

[0025] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A hook clawed sand core half clamp structure, characterized by: It include sprue cup (1), sprue cup (1) is connected to the direct gate (2), the direct gate (2) is provided with filter screen (3) in the middle, the direct gate (2) is provided with middle direct gate pressing edge (4) on both sides in the middle, each middle direct gate pressing edge (4) is connected with middle small cross gate (5), each middle small cross gate (5) top is connected with middle water inlet pressing edge (6), the middle water inlet pressing edge (6) top is connected with middle water inlet gate (7), the middle water inlet gate (7) top is connected with middle riser (8), the middle riser (8) is connected with casting (10) through the middle riser neck (9) arranged in the bottom side, the direct gate (2) bottom side extends with direct gate pressing edge (15), each side direct gate pressing edge (15) is connected with small cross gate (16), the small cross gate (16) top is connected with water inlet pressing edge (17), the water inlet pressing edge (17) top is connected with water inlet gate (18), the water inlet gate (18) is connected with riser (19), the riser (19) is connected with casting (10) through the riser neck (20) arranged in the bottom side.

2. A hook clawed sand core half clamp structure according to claim 1, characterized in that: Each casting (10) upper portion is provided with sand core (11), each casting (10) side is provided with hook (12), each casting (10) bottom is provided with positioning surface (13), each casting (10) top is provided with clamping surface (14).

3. A hook clawed sand core half clamp structure according to claim 1, characterized in that: The casting (10) is arranged horizontally.

4. A hook clawed sand core half clamp structure according to claim 1, characterized in that: The casting (10) is provided with 6 pieces.

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