CN219256207U

CN219256207U - Mould demoulding structure

Info

Publication number: CN219256207U
Application number: CN202320832314.2U
Authority: CN
Inventors: 赵彦青; 杨礼鹏; 刘月; 刘广生; 周冲; 吴亚权; 柳彤
Original assignee: Jingcheng Engineering Auto Parts Pizhou Co ltd
Current assignee: Jingcheng Engineering Auto Parts Pizhou Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-06-27
Anticipated expiration: 2033-04-12

Abstract

The utility model discloses a mould demoulding structure, which comprises a fixed mould arranged on external casting equipment, wherein the fixed mould is connected with a movable mould in a sliding way, a casting cavity is formed by surrounding the movable mould and the fixed mould, a water gap is formed on the movable mould, a pair of top blocks which are controlled to stretch by the movable mould are arranged on the fixed mould and are positioned at two ends of the casting cavity, an air blowing port which can be controlled to open and close and blow is formed on the top blocks, and the air blowing port is also controlled by the movable mould.

Description

Mould demoulding structure

Technical Field

The utility model relates to a mold demolding structure, and belongs to the field of mold manufacturing.

Background

The die needs to carry out demoulding after pouring and cooling are finished, but some pouring workpieces cannot be smoothly demoulded, workers are required to manually pry tools to demould, danger is easy to generate, production efficiency is affected, warping marks are generated on the surfaces of the workpieces when the workpieces are pried, the workpieces are damaged, a top plate which moves synchronously with a movable die is adopted to prop up the workpieces for convenient demoulding, the top plate is driven to move through the moving stroke of the movable die, and the top plate is used for exerting force on the workpieces to enable the workpieces to fall off, so that whether the workpieces are easy to demould or not is enabled to be propped by the top plate, and certain damage is generated on the surfaces of each workpiece.

Disclosure of Invention

According to the die demoulding structure, the movable die can be pulled open firstly, if the workpiece does not fall off, the workpiece is pushed by blowing, and if the workpiece does not fall off and then passes through the jacking block to push the workpiece, the workpiece falls off, so that the surface of the workpiece is prevented from being damaged as much as possible.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a mould drawing of patterns structure, includes the cover half of installing on external casting equipment, sliding connection has the movable mould on the cover half, and the movable mould forms the casting chamber with the cover half surrounding, and the cover half is installed on casting equipment, and the movable mould is made the slip by casting equipment drive, it has the mouth of a river to open on the movable mould, can add casting material to the inside of casting chamber through the mouth of a river, and a pair of flexible kicking block by movable mould control is all installed to the both ends that lie in the casting chamber on the cover half, and the movable mould can drive the kicking block and move when moving, and the kicking block can move the casting material that has solidified, open the controllable gas port that opens and shuts and blow on the kicking block, and the gas port also is controlled by the movable mould, and the movable mould can blow to the casting material that solidifies when moving, makes the work piece slippage, gas port and kicking block are in proper order propped the casting material that moves the solidification, adopt the mode of progressively reinforcing, can avoid producing the damage to the surface of work piece as far as possible.

Preferably, a plurality of bracing pieces that are used for supporting the movable mould are fixedly connected with on the cover half, and the limiting plate that is used for preventing the slippage of stopping mould is installed to the outer end of bracing piece, and the bracing piece can play the supporting role to the movable mould, makes the more steady slip of movable mould.

Preferably, the kicking block sliding connection is in opening the spout that has on the cover half, and installs the connecting rod on the kicking block, the connecting rod extends to the outside of cover half through the intercommunication groove of seting up on the spout, and the intercommunication groove is opened on the upside cell wall of spout to with cup joint the sliding sleeve interconnect on the bracing piece, leave the interval between sliding sleeve and the movable mould, the movable mould can separate certain distance between movable mould and the cover half before contacting with the sliding sleeve, the work piece that can smooth carry out the drawing of patterns this moment can directly be demolded, be connected with the reset spring that is used for making the kicking block that slides in the spout reset between sliding sleeve and the limiting plate, reset spring cup joints in the outside of bracing piece, and reset spring's one end and sliding sleeve fixed connection, the other end and limiting plate fixed connection.

Preferably, the inside of kicking block is opened there is the air chamber, the one end that the connecting rod is located the spout is run through kicking block and sliding connection at the inside piston interconnect of air chamber, and at the in-process that the sliding sleeve passive form promoted, the connecting rod can drive the piston earlier and slide in the inside of air chamber, makes the inside air of air chamber blow out outwards through the gas-blowing mouth, one side of gas-blowing mouth is echelonment, and the shell fragment is installed to the opposite side, and when the gas-blowing mouth outwards blows, the shell fragment is opened by the air current, makes the gas-blowing mouth open outwards blow smoothly, and the shell fragment adopts high temperature resistant material, and the shell fragment adopts above-mentioned material can not receive the influence of casting material temperature.

Preferably, the limiting plate and the supporting rod are connected through bolts, and a detachable mounting mode is adopted between the limiting plate and the supporting rod for realizing assembly.

Compared with the prior art, the utility model has the beneficial effects that:

1. the movable die is separated from the fixed die firstly through the movement of the movable die, so that a falling space is provided for a workpiece, and parts which can be smoothly demoulded are smoothly demoulded;

then the movable mould continuously moves to drive the piston to move, so that the air blowing port blows out to push the workpiece which does not fall off automatically;

after the air blowing port blows air, the movable mould continues to move, so that the connecting rod drives the top block to slide, the top block pushes the workpiece which is not blown out of the air blowing port and falls off, and the surface of the workpiece can be prevented from being damaged as much as possible.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic diagram of the motion state of the moving die of the utility model.

Fig. 3 is a schematic view showing an extended state of the top block according to the present utility model.

Fig. 4 is a schematic distribution diagram of the top block according to the present utility model.

Fig. 5 is a cross-sectional view of the chute of the present utility model.

Fig. 6 is an enlarged view of fig. 5 at a in accordance with the present utility model.

Fig. 7 is an exploded view of the limiting plate and the support rod of the present utility model.

In the figure: 1. the device comprises a fixed die, 2, a movable die, 3, a water gap, 4, a top block, 5, an air blowing port, 6, a supporting rod, 7, a limiting plate, 8, a sliding chute, 9, a connecting rod, 10, a communicating groove, 11, a sliding sleeve, 12, a return spring, 13, an air chamber, 14, a piston, 15 and a spring piece.

Detailed Description

The utility model is illustrated below by means of specific examples, without however limiting the utility model.

In this embodiment, a mold demolding structure is provided, including the cover half 1 installed on external casting equipment, sliding connection has movable mould 2 on the cover half 1, movable mould 2 and cover half 1 surround and form the casting chamber, cover half 1 installs on casting equipment, the position remains fixed throughout when using, movable mould 2 is driven by casting equipment and slides back and forth, control and cover half 1 open and shut, when movable mould 2 and cover half 1 are closed, can carry out casting work, when movable mould 2 and cover half 1 separate, can leave the space that drops for the work piece, open water gap 3 on movable mould 2, can add casting material to the inside of casting chamber through water gap 3, a pair of jack-up blocks 4 that control flexible by movable mould 2 are all installed on the cover half 1 and are located the both ends of casting chamber, movable mould 2 can drive jack-up block 4 and move when the motion, the top blocks 4 can push the solidified casting material so as to enable the workpiece to slide, four top blocks 4 are arranged in total and are respectively positioned at four corners of the casting cavity, the plurality of top blocks 4 can more uniformly apply force to the workpiece so as to enable the workpiece to slide better, the top blocks 4 are provided with air outlets 5 which can be controlled to open and close and blow, the air outlets 5 are also controlled by the movable mould 2, the movable mould 2 can blow air to the solidified casting material when moving, so as to enable the workpiece to slide, the air outlets 5 and the top blocks 4 sequentially push the solidified casting material, the air outlets 5 can blow the solidified casting material firstly in the moving process of the movable mould 2, the top blocks 4 can move the solidified casting material after the air outlets 5 blow so as to enable the workpiece to slide, and a gradually reinforced mode is adopted, damage to the surface of the workpiece can be avoided as much as possible.

Fixedly connected with is used for supporting the bracing piece 6 of movable mould 2 on the cover half 1, and the limiting plate 7 that is used for preventing the slippage of stopping mould 2 is installed to the outer end of bracing piece 6, and bracing piece 6 can play the supporting role to movable mould 2, makes the more steady slip of movable mould 2, and limiting plate 7 can prevent slippage on movable mould 2 follow bracing piece 6, and is further, in order to realize the assembly, installs limiting plate 7 on bracing piece 6 through the detachable mode, for example, through bolted connection between limiting plate 7 and the bracing piece 6.

The ejector pad 4 sliding connection is in the spout 8 that opens on cover half 1, and installs connecting rod 9 on the ejector pad 4, the connecting rod 9 passes through the intercommunication groove 10 that opens on the spout 8 and extends to the outside of cover half 1, and intercommunication groove 10 opens on the upside cell wall of spout 8 to with the sliding sleeve 11 interconnect of cup jointing on bracing piece 6, leave the interval between sliding sleeve 11 and the movable mould 2, before movable mould 2 and sliding sleeve 11 contact, the gas port 5 can not blow outwards, and ejector pad 4 also can not outwards move, and movable mould 2 can separate certain distance before contacting with sliding sleeve 11 between 2 and cover half 1, and the work piece that can smooth in this moment can direct drawing of patterns, and in the in-process that movable mould 2 contacted with sliding sleeve 11 and drove sliding sleeve 11 to keeping away from cover half 1, the work piece that the gas port can outwards blow before the slip, the top pad 4 can outwards move after the gas blowing, the top has not by the work piece that the top of gas ejection slip, be connected with between sliding sleeve 11 and limiting plate 7 and is used for making the movable mould 8 to go out of sliding sleeve 4 and compression spring 12 in the fixed state that the inside of sliding sleeve 2 is in the direction of sliding sleeve 12, and the movable mould 2 is fixed to the other end 12 is in the compression spring 12, and the fixed state that the other end is stretched out to the side of sliding sleeve 2, and the movable mould 2 is connected to the side 12 can be compressed to the side 12 in the compression spring 12 in the process that the side of the movable mould 2 is stretched out to the side 1.

The inside of the top block 4 is provided with an air chamber 13, one end of the connecting rod 9 positioned in the sliding chute 8 penetrates through the top block 4 and is connected with a piston 14 in the air chamber 13 in a sliding way, in the pushing process of the sliding sleeve 11 by the movable mould 2, the connecting rod 9 drives the piston 14 to slide in the air chamber 13, so that air in the air chamber 13 is blown outwards through the air blowing opening 5 (because the friction force between the piston 14 and the side wall of the air chamber 13 is smaller than the friction force between the top block 4 and the wall of the sliding chute 8, when the sliding sleeve 11 drives the connecting rod 9 to move, the piston 14 slides in the air chamber 13 firstly, so that when the sliding sleeve 11 slides, the air blowing opening 5 blows air firstly, then the top block 4 moves, in order to avoid pouring materials flowing into a gap between the top block 4 and the wall of the sliding chute 8, the top block 4 is tightly attached to the wall of the sliding chute 8, the friction force between the piston 14 and the side wall of the air chamber 13 is smaller than the friction force between the top block 4 and the groove wall of the sliding groove 8), in order to realize assembly, one end of the top block 4 positioned in the sliding groove 8 is provided with a horn-shaped opening with large right and small left (as shown in fig. 6), the piston 14 can be plugged into the air chamber 13 in a mode of elastically deforming the piston 14, one side of the air blowing port 5 is in a ladder shape, the other side of the air blowing port 5 is provided with a spring piece 15, when the air blowing port 5 blows outwards, the spring piece 15 is jacked by air flow, the air blowing port 5 is opened smoothly and blows outwards, the ladder-shaped arrangement can support the spring piece 15 from bending towards the inner side of the top block 4, casting is influenced, when the air blowing port 5 blows from the right of fig. 6, the air flow blows the spring piece 15 upwards, the right side of the air blowing port 5 is in a form with wide right and narrow left, the air flow can better pass through the air blowing port 5, and meanwhile, the air blowing port is in a narrow port mode, so that the air flow can more quickly pass through the air blowing port, a workpiece is better blown, the elastic sheet 15 is made of a high-temperature-resistant material, the elastic sheet 15 is made of the material which can not be influenced by the temperature of the casting material, and for example, the elastic sheet 15 can be formed by cutting elastic steel into sheets.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present utility model and not for limiting the technical solution of the present utility model, and although the present utility model has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the present utility model may be modified or equivalently replaced without departing from the spirit and scope of the present utility model, and any modification or partial replacement thereof should be included in the scope of the claims of the present utility model.

Claims

1. The utility model provides a mould drawing of patterns structure, includes cover half (1) of installing on external casting equipment, sliding connection has movable mould (2) on cover half (1), and movable mould (2) and cover half (1) surround and form the casting chamber, it has mouth of a river (3), its characterized in that to open on movable mould (2): a pair of top blocks (4) which are controlled to stretch by the movable die (2) are arranged on the fixed die (1) and located at two ends of the casting cavity, an air blowing opening (5) which can be controlled to open and close and blow is formed in the top blocks (4), the air blowing opening (5) is also controlled by the movable die (2), and the air blowing opening (5) and the top blocks (4) sequentially push up the solidified casting material.

2. The mold stripping structure according to claim 1, characterized in that a plurality of support rods (6) for supporting the movable mold (2) are fixedly connected to the fixed mold (1), and limiting plates (7) for preventing the sliding off of the stop mold (2) are arranged at the outer ends of the support rods (6).

3. The mold stripping structure according to claim 2, characterized in that the top block (4) is slidably connected in a chute (8) formed in the fixed mold (1), a connecting rod (9) is mounted on the top block (4), the connecting rod (9) extends to the outside of the fixed mold (1) through a communicating groove (10) formed in the chute (8) and is connected with a sliding sleeve (11) sleeved on the supporting rod (6), a space is reserved between the sliding sleeve (11) and the mold (2), and a reset spring (12) for resetting the top block (4) sliding out of the chute (8) is connected between the sliding sleeve (11) and the limiting plate (7).

4. A mould demoulding structure according to claim 3, characterized in that the inside of the top block (4) is provided with an air chamber (13), one end of the connecting rod (9) positioned in the chute (8) penetrates through the top block (4) and is connected with a piston (14) in the air chamber (13) in a sliding way, one side of the air blowing port (5) is in a stepped shape, the other side of the air blowing port is provided with an elastic sheet (15), and the elastic sheet (15) is made of a high-temperature resistant material.

5. A mould release structure according to claim 2, characterized in that the limiting plate (7) and the support bar (6) are interconnected by means of bolts.