Sand mold molding equipment for precision casting

Abstract

The utility model relates to the technical field of metal casting production devices, and particularly discloses sand mold molding equipment for precision casting, which comprises a workbench for placing a sand box; the mounting seat is arranged on the workbench and is positioned on the periphery of the sand box; the first driving motor is arranged on the mounting seat; the rotating seat is arranged on an output shaft of the first driving motor; one end of each knocking part is arranged in the rotating seat in a sliding manner, and the other end of each knocking part is used for knocking the sand box; the elastic component is arranged in the rotating seat, one end of the elastic component abuts against the rotating seat, and one end of the elastic component abuts against the knocking component; by using the sand box, the gap between the molding sand can be filled, the density uniformity of the molding sand at each part in the space of the sand box can be improved, and the overall strength of the molding of a sand mold in the sand box is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of metal casting production device, especially to a sand moulding equipment for precision casting. BACKGROUND

[0002] In the casting production of castings, first, the shaped part is placed in the sand box, then the casting sand is poured into the sand box, the sand box is filled with casting sand, and finally the casting sand in the sand box is compacted, and the shaped part is taken out, so that the sand moulding work is completed.

[0003] However, after the moulding sand is poured into the sand box, gaps may exist between the moulding sand and the moulding sand, and the density of the moulding sand in the space of the sand box is not uniform, which may cause the hardness of the compacted moulding sand in the sand box to be inconsistent, affecting the overall strength of the sand moulding. UTILITY MODEL CONTENT

[0004] In view of the above problems, the utility model provides a sand moulding equipment for precision casting, which aims to improve the uniformity of the density of the moulding sand in the space of the sand box.

[0005] In order to achieve the above-mentioned purpose of the invention, the utility model adopts the following technical scheme:

[0006] The utility model provides a sand moulding equipment for precision casting, which comprises: a workbench for placing a sand box; a mounting seat arranged on the workbench and located around the sand box; a first driving motor arranged on the mounting seat; a rotating seat arranged on the output shaft of the first driving motor; a plurality of knocking parts, one end of each knocking part being slidably arranged in the rotating seat, and the other end of each knocking part being used for knocking the sand box; and an elastic part arranged in the rotating seat, one end of the elastic part abutting against the rotating seat, and the other end of the elastic part abutting against the knocking part.

[0007] Further, the equipment further comprises: a mounting hole arranged in the rotating seat; and a piston arranged on the knocking part and slidably arranged in the mounting hole; wherein the elastic part is sleeved on the knocking part, one end of the elastic part abutting against the piston, and the other end of the elastic part abutting against the bottom of the mounting hole.

[0008] Further, the equipment further comprises: a ball bushing arranged in the mounting hole, and the knocking part being slidably arranged in the ball bushing.

[0009] Further, the equipment further comprises: a knocking head made of copper and detachably arranged at the end of the knocking part away from the rotating seat through threaded connection.

[0010] Further, the knocking head is spherical.

[0011] Further, the device further comprises a sliding seat slidably arranged on the workbench, a mounting seat fixedly arranged on the sliding seat, a lead screw threadedly sleeved in the sliding seat, both ends of the lead screw rotatably mounted in the workbench through bearings, and a second driving motor, an output shaft of the second driving motor being connected with the lead screw through a shaft coupling.

[0012] The utility model discloses beneficial effects are: through using the utility model, can fill up the gap between molding sand and molding sand, can promote the uniformity of the molding sand density everywhere in the sand box space, promote the overall strength of sand mould modeling in the sand box. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The overall structure front view of the molding equipment provided for the embodiment of the application.

[0014] Figure 2 The mounting structure side view of the sliding seat provided for the embodiment of the application.

[0015] Wherein, 1, workbench;2, mounting seat;31, first driving motor;32, second driving motor;4, rotating seat;41, knocking component;42, elastic component;43, piston;44, ball bushing;45, knocking head;51, sliding seat;52, lead screw;6, sand box. DETAILED DESCRIPTION

[0016] In order to better understand the above technical solutions, the above technical solutions will be described in detail in conjunction with the description of the drawings and specific embodiments.

[0017] Referring to Figure 1 The embodiment of the application discloses a sand mold molding equipment for precision casting, which comprises: a workbench 1 for placing a sand box 6;A mounting seat 2 arranged on the workbench 1 and around the sand box 6;A first driving motor 31 arranged on the mounting seat 2;A rotating seat 4 arranged on the output shaft of the first driving motor 31;A plurality of knocking components 41, one end of the knocking component 41 being slidably arranged in the rotating seat 4, the other end of the knocking component 41 being used for knocking the sand box 6;An elastic component 42 arranged in the rotating seat 4, one end of the elastic component 42 abutting against the rotating seat 4, and one end of the elastic component 42 abutting against the knocking component 41.

[0018] In specific use, through the rotating movement of the output shaft of the first driving motor 31, the rotating seat 4 can be driven to rotate, and a plurality of knocking components 41 are driven to alternately knock the sand box 6, so as to drive the molding sand in the sand box 6 to vibrate, the molding sand can be relatively moved with the molding sand, and the molding sand on the upper side can fall into the gap of the molding sand on the lower side; through the use of the utility model, the gap between the molding sand and the molding sand can be filled, the uniformity of the molding sand density in the space of the sand box 6 can be improved, and the overall strength of the sand mold molding in the sand box 6 is improved.

[0019] Specifically, the device further comprises: a mounting hole arranged in the rotating seat 4; a piston 43 arranged on the knocking component 41 and slidably arranged in the mounting hole; wherein the elastic component 42 is sleeved on the knocking component 41, one end of the elastic component 42 abuts against the piston 43, and the other end of the elastic component 42 abuts against the bottom of the mounting hole.

[0020] In the embodiment, the elastic component 42 is selected as a spring, and the knocking component 41 is elastically supported by the elastic component 42; when the knocking component 41 knocks the sand box 6, the knocking component 41 and the sand box 6 are elastically contacted, so that the knocking component 41 can be prevented from applying excessive force; after the knocking component 41 abuts against the sand box 6, the knocking component 41 can press the spring and shrink towards the rotating seat 4, so that the rotating seat 4 can continuously rotate, and the whole knocking action is smoothly performed.

[0021] Specifically, the device further comprises: a ball bushing 44, the ball bushing 44 is arranged in the mounting hole, and the knocking component 41 is slidably arranged in the ball bushing 44, so as to further improve the knocking component 41.

[0022] In the embodiment, the device further comprises: a knocking head 45 made of copper and detachably arranged at the end of the knocking component 41 away from the rotating seat 4 through threaded connection; the knocking head 45 made of copper is used to knock the sand box 6, so that the hardness of the knocking head 45 is lower than that of the sand box 6, and the sand box 6 is prevented from being deformed; after the knocking head 45 is deformed after working for a period of time, the knocking head 45 can be disassembled and replaced by screwing.

[0023] Specifically, the knocking head 45 is spherical, and the knocking head 45 and the sand box 6 are point-to-point contacted.

[0024] Referring to Figure 2 As shown in the figure, the device further comprises: a sliding seat 51 slidably arranged on the workbench 1, and the mounting seat 2 is fixedly arranged on the sliding seat 51; a lead screw 52 sleeved in the sliding seat 51 through threaded connection, and the two ends of the lead screw 52 are rotatably arranged in the workbench 1 through bearings; and a second driving motor 32, the output shaft of the second driving motor 32 is connected with the lead screw 52 through a shaft coupling.

[0025] In the embodiment, the second driving motor 32 is rotated to drive the screw rod 52 to rotate, and the sliding seat 51 can slide along the axial direction of the screw rod 52 under the limit of the workbench 1, so as to knock the knocking part 41 to different positions of the sand box 6.

[0026] In the embodiment, two rotating seats 4 are arranged on the two sides of the sand box 6, and two knocking parts 41 are arranged on each rotating seat 4; of course, the number of the rotating seats 4 and the knocking parts 41 can be flexibly changed to achieve better knocking effect.

[0027] Those skilled in the art will appreciate that although the preferred embodiments of the present application have been described, those skilled in the art can make further changes and modifications to the embodiments once they know the basic inventive concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present application. Obviously, those skilled in the art can make various modifications and changes to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and changes of the present application fall within the scope of the claims of the present application, the present application also intends to include these modifications and changes.

Claims

1. A sand mold molding device for precision casting, characterized in that, The utility model relates to a sanding box knocking device, including: Workbench (1), sanding box (6) is placed; Mounting seat (2) is arranged on workbench (1), and it is at the four around sanding box (6); First drive motor (31) is arranged on mounting seat (2); Rotary seat (4) is arranged on the output shaft of first drive motor (31); A plurality of knocking components (41), one end of knocking component (41) is slidably arranged in rotary seat (4), and the other end of knocking component (41) is used to knock sanding box (6); Elastic component (42) is arranged in rotary seat (4), one end of elastic component (42) abuts against rotary seat (4), and one end of elastic component (42) abuts against knocking component (41).

2. The precision sand mold forming apparatus for precision casting according to claim 1, characterized by, Further including: Mounting hole is arranged in rotary seat (4); Piston (43) is arranged on knocking component (41) and is slidably arranged in mounting hole; Wherein, elastic component (42) is sleeved on knocking component (41), one end of elastic component (42) abuts against piston (43), and the other end of elastic component (42) abuts against the bottom of mounting hole.

3. The precision sand mold forming apparatus for precision casting according to claim 2, characterized by, Further including: Ball bushing (44) is arranged in mounting hole, and knocking component (41) is slidably arranged in ball bushing (44).

4. The precision sand mold forming apparatus for precision casting according to claim 1, characterized by Further including: Knocking head (45) is made of copper, and is detachably arranged on the end of knocking component (41) away from rotary seat (4) by screw connection.

5. The precision sand mold forming apparatus for precision casting according to claim 4, characterized by, Knocking head (45) is spherical.

6. The precision sand molding apparatus for precision casting according to claim 1, wherein Further including: Sliding seat (51) is slidably arranged on workbench (1), and mounting seat (2) is fixedly arranged on sliding seat (51); Lead screw (52) is sleeved in sliding seat (51) by screw connection, and both ends of lead screw (52) are rotatably mounted in workbench (1) by bearing; Second drive motor (32), the output shaft of second drive motor (32) is connected with lead screw (52) through shaft coupling.

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