CN218699885U

CN218699885U - Combined sand mold

Info

Publication number: CN218699885U
Application number: CN202222605920.9U
Authority: CN
Inventors: 李享儒; 龙海涛
Original assignee: Zhengzhou Yuandong Refractory Co Ltd
Current assignee: Zhengzhou Yuandong Refractory Co Ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-03-24
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses a modular sand mould, comprising a base plate, bottom plate top bilateral symmetry movable mounting has outer frame, two the interior baffle is installed to the symmetry between the outer frame, and is formed with the die cavity between outer frame and the interior baffle, interior mandrel has been placed in the die cavity, and the equal fixed connection in inner core mould both ends runs through the gag lever post of outer frame, interior baffle outside fixedly connected with connecting piece, the connecting piece respectively with two outer frame looks joints, and the vertical screw thread in connecting piece one side installs the lead screw, frame top fixedly connected with and wedge guide rail matched with wedge slider. The utility model discloses a set up the wedge guide rail cooperation on wedge slider and the interior baffle, when rotating the lead screw and lifting interior baffle, interior baffle can take two outer frames simultaneously and move toward both sides, and then all produce the space between the sand mould of cavity and two outer frames, need not multiple operation, make things convenient for taking of sand mould, improve the efficiency of sand mould production.

Description

Combined sand mold

Technical Field

The utility model relates to a sand mould production technical field especially relates to a modular sand mould.

Background

Sand casting refers to a casting method for producing castings in sand molds, and the sand molds need to be formed by using special molds during production.

The notice number is: CN214447195U, entitled "a hanging wall brick sand mould", includes columnar frame, brick module and card neck spare, the brick module is the same with height and the size of waiting to cast fashioned brick type, the brick module set up in the frame, the frame is for possessing the cylindric of one side closed end face, the closed end face of frame be provided with in the opening that size and shape in brick module cross-section were always, the cross sectional dimension of frame is greater than the cross-sectional outer wall size of brick module, the card neck spare include at least one set up in the long post of brick module reentrant corner and this reentrant corner position is filled, the height dimension of card neck spare is greater than the height dimension of brick module, the utility model discloses a normal atmospheric temperature portion and the high temperature resistant portion of sand mould are makeed respectively to the separation of sand mould refractory material and foundry goods is easier, the effectual hanging wall brick casting piece shaping quality that has improved, has reduced technology step and operating time, has reduced casting cost.

Among the above-mentioned prior art, because the columnar frame is the integral type, can not dismantle, the sand mould in the frame takes the trouble behind the sand mould plain bumper, influences the efficiency that the sand mould was taken out.

SUMMERY OF THE UTILITY MODEL

The invention aims to provide a combined sand mold to overcome the defects in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a modular sand mould, includes the bottom plate, bottom plate top bilateral symmetry movable mounting has outer frame, two interior baffle is installed to the symmetry between the outer frame, and is formed with the die cavity between outer frame and the interior baffle, interior mandrel has been placed in the die cavity, and the equal fixed connection in inner core mould both ends runs through the gag lever post of outer frame, interior baffle outside fixedly connected with connecting piece, the connecting piece respectively with two outer frame looks joints, and the vertical screw thread in connecting piece one side installs the lead screw, the lead screw bottom is rotated with the bottom plate top and is connected, the equal symmetrical fixedly connected with wedge guide rail in inner baffle top both sides, outer frame top fixedly connected with and wedge guide rail matched with wedge slider, two the extension spring is installed to the symmetry between the outer frame.

Preferably, the outer frame is U-shaped, slide bars are fixedly connected to two sides of the bottom of the outer frame, and sliding grooves matched with the slide bars are formed in the top surface of the bottom plate.

Preferably, the top of the two sides of the connecting piece is fixedly connected with a clamping frame, and clamping grooves matched with the clamping frame are formed in the two sides of the outer frame.

Preferably, the wedge-shaped sliding block is located above the wedge-shaped guide rail, and when the clamping frame is separated from the clamping groove, the bottom of the wedge-shaped sliding block is abutted to the wedge-shaped guide rail.

Preferably, the two ends of the tension spring are respectively connected with one side of the two outer frames, and the tension spring is positioned between the connecting piece and the screw rod.

Preferably, two ends of the inner core mold abut against the inner walls of the two outer frames respectively, and the bottom of the inner core mold abuts against the top surface of the bottom plate.

The utility model provides a modular sand mould. The method has the following beneficial effects:

this combined sand mould, through setting up the wedge guide rail cooperation on wedge slider and the interior baffle, when rotating the lead screw and lifting the interior baffle, the interior baffle can be simultaneously taking two outer frames and moving toward both sides, and then all produce the space between sand mould in the die cavity and two outer frames, need not multiple operation, make things convenient for taking of sand mould, and simultaneously, after screwing the lead screw and falling the interior baffle, outer frame resets again under the effort of extension spring, be convenient for carry out the preparation of follow-up sand mould, improve the efficiency of sand mould production.

Drawings

Fig. 1 is a schematic view of the overall structure of a combined sand mold provided by the present invention;

fig. 2 is a sectional view of a combined sand mold provided by the present invention;

fig. 3 is a side view of a combined sand mold provided by the present invention;

fig. 4 is a top view of the combined sand mold provided by the utility model.

Illustration of the drawings:

1. a base plate; 101. an outer frame; 102. an inner baffle; 103. a mold cavity; 104. an inner core mold; 105. a limiting rod; 106. a slide bar; 107. a chute; 108. a card slot; 2. a connecting member; 201. a clamping frame; 3. a lead screw; 301. a wedge-shaped guide rail; 302. a wedge-shaped slider; 4. a tension spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a combined sand mold comprises a bottom plate 1, outer frames 101 are symmetrically and movably mounted on two sides of the top of the bottom plate 1, inner baffles 102 are symmetrically mounted between the two outer frames 101, the two inner baffles 102 are respectively attached to two sides of the inner wall of the outer frame 101, and the bottoms of the inner baffles are abutted to the bottom plate 1, a mold cavity 103 is formed between the two outer frames 101 and the two inner baffles 102 in a combined manner, an inner core mold 104 is placed in the mold cavity 103, two ends of the inner core mold 104 are fixedly connected with limiting rods 105 penetrating through the outer frames 101, the limiting rods 105 can prevent the inner core mold 104 from shifting when the outer frames 101 move, a connecting piece 2 is fixedly connected to the outer side of each inner baffle 102, the connecting piece 2 is respectively clamped with the two outer frames 101, the inner baffles 102 are fixedly connected with the two outer frames 101 through the connecting pieces 2 to prevent the mold from loosening in a sand molding process, and a lead screw 3 is mounted on one side of the connecting piece 2 in a vertical thread manner, the bottom end of the screw rod 3 is rotatably connected with the top of the bottom plate 1, when the screw rod 3 rotates, the connecting piece 2 and the inner baffle plate 102 can be driven to lift, if the connecting piece 2 rises to a certain position, the connecting piece 2 is separated from the clamping connection with the outer frame 101, the wedge-shaped guide rails 301 are symmetrically and fixedly connected with the two sides of the top of the inner baffle plate 102, the wedge-shaped slide blocks 302 matched with the wedge-shaped guide rails 301 are fixedly connected with the top of the outer frame 101, after the connecting piece 2 and the inner baffle plate 102 continue to rise, the wedge-shaped guide rails 301 on the inner baffle plate 102 abut against the wedge-shaped slide blocks 302 on the outer frame 101, the wedge-shaped slide blocks 302 slide along the wedge-shaped surfaces of the wedge-shaped guide rails 301, the two outer frames 101 move towards two sides at the same time, gaps are generated between the sand molds in the mold cavities 103 and the two outer frames 101, independent adjustment and disassembly are not needed, multiple operations are not needed, the efficiency of taking out the sand molds is improved, and the tension springs 4 are symmetrically installed between the two outer frames 101, after the screw rod 3 is screwed to lower the inner baffle 102, the two outer frames 101 are reset again under the action of the tension spring 4, so that the connecting piece 2 is clamped and fixed with the connecting piece again, the operation is convenient, and the continuous operation is facilitated.

The utility model discloses among the further technical scheme, outer frame 101 is the U-shaped, and the equal fixedly connected with slide bar 106 in outer frame 101 bottom both sides, 1 top surface of bottom plate offered with slide bar 106 assorted spout 107, when interior baffle 102 rises and promotes two outer frames 101, let outer frame 101 only can be according to the orbit of spout 107 make linear motion on bottom plate 1, avoid outer frame 101 skew, guarantee the quality of follow-up sand mould processing.

The utility model discloses among the further technical scheme, 2 equal fixedly connected with joint framves 201 in both sides top of connecting piece, outer frame 101's both sides all seted up with joint frame 201 assorted draw-in groove 108, connecting piece 2 is in the same place through joint frame 201 and two outer frame 101 joints, guarantees the compactness that two outer frames 101 are connected with interior baffle 102, improves mould overall structure intensity, avoids taking off at the in-process pine of jolt sand mould.

The utility model discloses among the further technical scheme, wedge slider 302 is located wedge guide 301's top, after joint frame 201 breaks away from draw-in groove 108, wedge slider 302 bottom and wedge guide 301 looks butt, separate the joint with the lapse, baffle 102 rises to a take the altitude including only, joint frame 201 breaks away from behind draw-in groove 108, just can come two joint frames 201 to promote toward both sides through further raising of interior baffle 102, wedge guide 301 is supporting wedge slider 302 when the joint is avoided, guarantee propelling movement and joint both respective stability.

The utility model discloses among the further technical scheme, 4 both ends of extension spring are connected with one side of two outer frames 101 respectively, and extension spring 4 is located between connecting piece 2 and the lead screw 3, and two extension springs 4 are located the both sides of outer frame 101 respectively, required pulling force when can be even providing outer frame 101 and reset.

The utility model discloses among the further technical scheme, the both ends of inner core mould 104 respectively with two outer frame 101 inner wall looks butt, the bottom of inner core mould 104 and bottom plate 1's top surface looks butt, support two outer frames 101 through inner core mould 104 and guarantee the uniformity of the back die cavity 103 size that resets.

When the sand mold is used, the two inner baffles 102 are respectively attached to two sides of the inner wall of the outer frame 101, the bottoms of the two inner baffles are abutted against the bottom plate 1, then loose sand is filled in the mold cavity 103 and compacted, the inner core mold 104 is placed in the mold cavity 103, a mold cavity for manufacturing a casting is formed in a sand mold by the inner core mold 104, the clamping frame 201 of the connecting piece 2 is clamped into the clamping grooves 108 on the two outer frames 101, the inner baffles 102 are fixedly connected with the two outer frames 101 through the connecting piece 2, the mold is prevented from loosening in the sand mold forming process, after the inner sand mold is formed, the screw 3 is screwed, the connecting piece 2 and the inner baffles 102 are lifted, after the connecting piece 2 is lifted to a certain position, the clamping frame 201 is separated from the clamping grooves 108, and the wedge-shaped slide blocks 302 on the outer frames 101 are abutted against the wedge-shaped guide rails 301 on the inner baffles 102, at this moment, the screw rod 3 is continuously screwed, the connecting piece 2 and the inner baffle plate 102 are continuously lifted, the wedge-shaped guide rail 301 is abutted against the wedge-shaped sliding block 302 on the outer frame 101, the wedge-shaped sliding block 302 slides along the wedge-shaped surface of the wedge-shaped guide rail 301, the two outer frames 101 move towards two sides simultaneously, and then a gap is formed between the sand mold in the mold cavity 103 and the two outer frames 101, and finally the sand mold is taken out by utilizing the gap clamp without being independently adjusted and disassembled, multiple operations are not needed, the sand mold taking efficiency is improved, the tension springs 4 are symmetrically arranged between the two outer frames 101, and after the screw rod 3 is screwed in the opposite direction to lower the inner baffle plate 102, the two outer frames 101 reset again under the action force of the tension springs 4, so that the connecting piece 2 is clamped and fixed with the connecting piece again, the operation is convenient, and the continuous operation is facilitated.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a modular sand mould, includes bottom plate (1), its characterized in that:

outer frames (101) are symmetrically and movably mounted on two sides of the top of the bottom plate (1), inner baffles (102) are symmetrically mounted between the two outer frames (101), a mold cavity (103) is formed between the outer frames (101) and the inner baffles (102), an inner core mold (104) is placed in the mold cavity (103), and two ends of the inner core mold (104) are fixedly connected with limiting rods (105) penetrating through the outer frames (101);

interior baffle (102) outside fixedly connected with connecting piece (2), connecting piece (2) respectively with two outer frames (101) looks joint, and the vertical screw thread in connecting piece (2) one side installs lead screw (3), lead screw (3) bottom is rotated with bottom plate (1) top and is connected, the equal symmetry fixedly connected with wedge guide rail (301) in interior baffle (102) top both sides, outer frame (101) top fixedly connected with and wedge guide rail (301) matched with wedge slider (302), two extension spring (4) are installed to the symmetry between outer frame (101).

2. A combined sand mold according to claim 1, wherein the outer frame (101) is U-shaped, the sliding rods (106) are fixedly connected to both sides of the bottom of the outer frame (101), and the top surface of the bottom plate (1) is provided with sliding grooves (107) matched with the sliding rods (106).

3. A combined sand mold according to claim 1, wherein clamping frames (201) are fixedly connected to the tops of both sides of the connecting member (2), and clamping grooves (108) matched with the clamping frames (201) are formed in both sides of the outer frame (101).

4. A combined sand mould according to claim 3, characterised in that the wedge-shaped slide (302) is located above the wedge-shaped guide (301), and when the clamping frame (201) is disengaged from the clamping groove (108), the bottom of the wedge-shaped slide (302) abuts against the wedge-shaped guide (301).

5. A combined sand mould according to claim 1, characterised in that the two ends of the tension spring (4) are connected to one side of the two outer frames (101) respectively, and the tension spring (4) is located between the connecting piece (2) and the screw (3).

6. A combined sand mould according to claim 1, characterised in that the inner core mould (104) abuts the inner walls of the two outer frames (101) at each end and the bottom of the inner core mould (104) abuts the top surface of the base plate (1).