TWM623712U - Mold quick change mechanism - Google Patents

Abstract

The new model is a mold rapid replacement mechanism, which mainly includes a molding unit, a connecting piece and a base unit; the shell and the molding part enclose a sealed space, the outer surface of the shell is provided with a first perforation, and the molding The part has a second through hole that communicates with the sealed space; the connector is arranged on the housing; the base unit includes a base and a pneumatic connection seat, the opening of the base communicates with the accommodating space, and the pneumatic connection The seat includes a connecting recess, and the base is provided with a third through hole that communicates with the outside world and the pneumatic connecting seat; wherein, the pneumatic connecting seat makes the connecting piece and the pneumatic connecting seat in an engaging state based on changes in air pressure or a release state. The new model can quickly replace the forming unit, and improves the efficiency of vacuum forming of the workpiece to be processed by the forming unit.

Description

Mold quick change mechanism

The new model relates to a mold rapid replacement mechanism, which can quickly replace the mold base and the cooling plate on the base unit, and is beneficial to improve the vacuum forming efficiency of the workpiece to be processed by the forming unit.

In industrial processing devices and processes, it is often necessary to temporarily connect two devices for processing or fabrication. After the fabrication process is completed, the two devices need to be separated for the next process step.

Taking plastic vacuum forming as an example, a mold is mainly set on a fixed seat, and then the plastic is placed on the mold, and the plastic is heated to soften it. After confirming that the plastic is softened by heating, the gas in the space between the fixed seat and the mold can be extracted, so that the plastic is attached to the surface of the mold, and the plastic vacuum forming step is completed after the plastic to be formed is cooled.

Generally speaking, a plurality of screws are usually used to fix the mold and the fixing seat. When the mold needs to be replaced, each screw is removed, and the mold is removed from the fixing seat. Then place the new mold on the holder and fix it with screws. However, it usually takes a lot of time to lock and remove the screws, especially the need to maintain a seal between the mold and the holder, so a larger number of screws need to be used. As a result, the time spent on changing the mold will increase, thereby increasing the manufacturing time and cost.

The new model proposes a mold rapid replacement mechanism, which mainly includes a molding unit, at least one connecting piece and a seat unit; wherein the molding unit can be quickly removed from the seat unit, and different molding units can be quickly arranged on the seat unit. , which can effectively improve the efficiency of mold replacement.

The present invention proposes a rapid mold replacement mechanism. The casing and the forming portion enclose a sealed space, a first through hole is formed on the outer surface of the casing to communicate with the sealed space, and the forming portion has a hole that communicates with the sealed space. a second through hole; at least one of the connecting pieces is disposed on the outer surface of the casing, and has different distances from the first through hole and the second through hole; the base unit includes a base and at least one pneumatic connecting seat , the base encloses an accommodating space with an opening, the opening communicates with the accommodating space, the pneumatic connecting seat is arranged in the accommodating space, the pneumatic connecting seat includes a connecting recess, the opening of the base There is a third through hole communicating with the outside world and the pneumatic connecting seat; wherein, the pneumatic connecting seat causes the air pressure in the accommodating space to change based on the third through hole, so that the connecting piece and the pneumatic connecting seat are in a position between the connecting piece and the pneumatic connecting seat. A snapped state or a released state. When replacing different molding parts, only need to control the air pressure type connecting seat through the pump, then the molding part can be removed from the seat body unit, and the new mold seat and cooling plate can be replaced, which can effectively improve the workpiece to be processed. Efficiency of vacuum forming.

The present invention proposes a rapid mold replacement mechanism, wherein the housing further includes a mold base and a cooling plate connected to each other, the cooling plate is connected to the opening, the first through hole is opened in the cooling plate, and the connecting piece is disposed in the cooling plate. cooling plate.

The present invention proposes a mold quick replacement mechanism, wherein the pneumatic connecting seat includes a main body, a movable part, an elastic unit, a pneumatic chamber and at least one spherical body, the body, the pneumatic chamber and the movable part are arranged on the same axis, and the The two ends of the elastic unit in the deformation direction press against the main body and the movable piece respectively, the movable piece is located in the air pressure chamber, and the air pressure chamber communicates with a pump through the third through hole, wherein the The pumping causes the air pressure in the air pressure chamber to drop, so that the movable piece is displaced relative to the body along the axis, so that the ball is engaged with the connecting piece.

In an embodiment of the novel mold quick-change mechanism, the body includes a pipe body at least constituting a part of the connecting recess, the movable member includes a protruding stopper having a receiving recess, the receiving portion of the receiving recess A tube body, and another part of the tube body is arranged in the main body, and a fourth through hole is arranged in a part of the tube body. In the engaged state, the sphere is engaged with the connecting piece through the fourth through hole.

In an embodiment of the novel mold quick-change mechanism, the connector includes a protruding unit, and in the engaged state, the sphere engages with the protruding unit, so that the connector is engaged in the tube body.

In an embodiment of the novel mold quick-change mechanism, the protruding stopper further includes a concave portion, which is configured such that in the release state, the ball leaves the protruding unit from the fourth through hole to release the connecting member, so as to release the connecting member. The connector is released from the tube and the ball is received by the recess.

In an embodiment of the novel mold quick-change mechanism, the protruding stopper further includes a concave portion, which is configured to release the connecting piece when the ball leaves the connecting piece from the fourth through hole in the releasing state, so as to release the connecting piece. The connector is released from the tube and the ball is received by the recess.

In an embodiment of the novel mold quick-change mechanism, the accommodating space is communicated with another pump, and the air pressure in the sealed space is reduced through the accommodating space through the other pump, so that the mold on the molding part is A workpiece to be processed is attached to the surface of the forming part through the suction of the first through hole and the second through hole.

In an embodiment of the novel mold quick-change mechanism, in the engaged state, the pneumatic connecting seat is engaged with the connecting piece inserted into the connecting recess, so that a part of the outer surface of the casing is connected to the connecting piece. opening, the accommodating space becomes a closed state, the first through hole communicates with the accommodating space, and in the releasing state, the pneumatic connecting seat releases the connecting piece.

1: Mold quick change mechanism

11: Seat unit

11a: Base

111: accommodating space

112: Opening

113: Bottom plate

114: Perforation

115: Side panel

116: Third Piercing

121: First pump

123: Second pump

13: Air pressure connector

131: Ontology

1311: Tube body

13111: Fourth Piercing

132: Connection recess

133: Moving Pieces

1331: Plunger

1333: Protruding Stopper

13331: Projection

13333: Recess

135: Elastic unit

137: Sphere

139: Air pressure chamber

15: Connectors

151: protruding unit

19: Forming unit

19a: Shell

19b: Forming Department

191: Sealed Space

192: First Piercing

193: Second Piercing

194: Mould base

195: Cooling Plate

195a: First Surface

195b: Second Surface

2: workpiece to be processed

FIG. 1 is a perspective exploded schematic diagram of an embodiment of the novel mold quick replacement mechanism.

FIG. 2 is a side perspective view of an embodiment of the novel mold quick-change mechanism.

FIG. 3 is a side perspective view of another embodiment of the novel mold quick-change mechanism.

FIG. 4 is a side perspective view of yet another embodiment of the novel mold quick-change mechanism.

Please refer to FIG. 1 and FIG. 2 , which are a three-dimensional exploded schematic view and a side perspective view of an embodiment of the novel mold quick-change mechanism, respectively. As shown in the figure, the mold quick-change mechanism 1 of the present invention mainly includes a base unit 11 , at least one connecting piece 15 and a molding unit 19 , wherein the base unit 11 and the molding unit 19 are stacked in layers.

The base unit 11 described in the present invention includes a base 11a and at least one pneumatic connection base 13. The base 11a encloses an accommodating space 111 with an opening 112, the opening 112 communicates with the accommodating space 111, and the The pneumatic connecting seat 13 is disposed in the accommodating space 111 , and the base 11 a is provided with a third through hole 116 that communicates with the outside world and the pneumatic connecting seat 13 . The pneumatic connecting seat 13 includes a connecting recess 132 . Further, the pneumatic connecting seat 13 is located in the accommodating space 111 of the seat unit 11 . In an embodiment of the present invention, the base unit 11 may include a bottom plate 113 and a plurality of side plates 115 , and the accommodating space 111 is surrounded by the bottom plate 113 and the side plates 115 . For example, the bottom plate 113 and the side plate 115 can form a quadrangular accommodating space 111 .

The connecting recess 132 is used for accommodating the connecting piece 15 , and the connecting piece 15 can be engaged with the pneumatic connecting seat 13 through the engaging mechanism in the pneumatic connecting seat 13 . In an embodiment of the present invention, the pneumatic connecting seat 13 can be disposed on the bottom plate 113 of the base unit 11 so that the connecting recess 132 of the pneumatic connecting seat 13 faces the direction of the opening 112 of the base unit 11 .

The above-mentioned molding unit 19 has a shell 19a and a molding portion 19b, both of which enclose a sealed space 191, and a first through hole 192 is formed on the outer surface of the shell 19a to communicate with the sealed space 191, and the molding The portion 19b has a second through hole 193 communicating with the sealed space 191 . The connecting member 15 is disposed on the outer surface of the casing 19a and has different distances from the first through hole 192 and the second through hole 193 .

In detail, the air pressure connecting seat 13 is in an engaging state or a releasing state between the connecting member 15 and the air pressure connecting seat 13 based on the air pressure change in the accommodating space 111 caused by the third through hole 116 . In the engaged state, the connecting piece 15 is inserted into the connecting recess 132 and engaged, so that a part of the outer surface of the casing 19a is connected to the opening 112, the accommodating space 111 is in a closed state, and the first through hole 192 The accommodating space 111 is communicated. In the release state, the pneumatic connecting seat 13 releases the connecting piece 15 .

Reasonably, the casing 19a and the molding portion 19b can be a single piece or separate pieces.

In one embodiment, the casing 19a further includes a mold base 194 and a cooling plate 195 connected to each other, which are connected to the opening 112 , and the first through hole 192 is opened in the cooling plate 195 . The cooling plate 195 is disposed on the base unit 11 , for example, the cooling plate 195 may be disposed on the opening 112 of the base unit 11 . Specifically, the cooling plate 195 includes a first surface 195a and a second surface 195b, wherein the second surface 195b of the cooling plate 195 faces the seat unit 11 and is used to cover the accommodating space 111 of the seat unit 11, so that the seat The accommodating space 111 between the body unit 11 and the cooling plate 195 forms a closed space. For example, the shape and seat of the cooling plate 195 The openings 112 of the body unit 11 are similar, and the area of the cooling plate 195 is slightly larger than the opening 112 of the base unit 11 , so that the cooling plate 195 can cover the opening 112 . In a possible embodiment, a fitting structure is formed at the edge of the opening 112 of the base unit 11 , and a corresponding fitting structure is formed on the periphery of the lower surface of the cooling plate 195 .

Further, the cooling plate 195 includes at least one first through hole 192 , and the number is reasonably plural, wherein the first through hole 192 penetrates the cooling plate 195 and communicates with the first surface 195 a and the second surface 195 b. When the cooling plate 195 closes the seat unit 11 to form the sealed accommodating space, the first through hole 192 on the cooling plate 195 will communicate with the accommodating space 111 of the seat unit 11, and the first through hole 192 can be used for fluid circulation.

As described above, the die holder 194 is connected to the cooling plate 195 , for example, the die holder 194 may be disposed on the first surface 195 a of the cooling plate 195 . Specifically, the mold base 194 may have a structure with an intermediate recess. When the mold base 194 is connected to the cooling plate 195 , the intermediate recess will form a sealed space 191 between the mold base 194 and the cooling plate 195 . The sealed space 191 communicates with the accommodating space 111 of the base unit 11 through the first through hole 192 of the cooling plate 195 . In an embodiment of the present invention, the mold base 194 and the cooling plate 195 can be fixed by a plurality of screws.

In a feasible embodiment, the forming portion 19b is at least one forming mold, which can be integrally formed with the mold base 194 or be additionally disposed on the mold base 194 . During the vacuum forming process of the workpiece to be processed, the molding die will be in contact with the workpiece to be processed. Generally speaking, the workpiece to be processed is a plastic. Specifically, the forming mold includes at least one small second through hole 193, which communicates with the sealed space 191 of the mold base 194, and the through hole can be used for fluid (eg, gas) circulation.

As shown in FIG. 2 , during vacuum forming of the workpiece to be processed, the workpiece to be processed 2 can be placed on the molding die and covered on the molding die, and then heated to soften the workpiece 2 . The first pump 121 can be used to pump out the gas in the accommodating space 111 of the base unit 11 and the sealing space 191 of the mold base 194 through a through hole 114, so that the air pressure in the accommodating space 111 and the sealing space 191 is lower than that of the outside world. Atmospheric pressure.

Since the second through hole 193 of the molding die is connected to the sealing space 191 of the die base 194, the air pressure between the workpiece 2 and the molding die is also lower than the atmospheric pressure outside, so that the softened workpiece 2 is affected by the pressure difference , and attached to the surface of the forming mold. That is, a workpiece 2 to be processed located on the forming portion 19b is attached to the surface of the forming portion 19b through the suction of the first through hole 192 and the second through hole 193 . After the workpiece 2 attached to the surface of the molding die is cooled and hardened, the vacuum forming of the workpiece 2 is completed, and the molded workpiece 2 can be removed from the molding die.

In an embodiment of the present invention, at least one pipe (not shown) may be disposed in the cooling plate 195 , wherein the cooling liquid can be injected into the pipe of the cooling plate 195 and circulated in the pipe, so that the cooling liquid can pass through the cooling plate 195 The temperature of the molded workpiece 2 attached to the surface of the molding die 193 is lowered, so as to accelerate the hardening speed of the molded workpiece 2 .

As described above, at least one connecting piece 15 is disposed on the outer surface of the housing 19a and has different distances from the first through hole 192 and the second through hole 193 , that is, the connecting piece 15 and the first through hole 192 And the second through hole 193 is not in the corresponding position. Further, the connecting member 15 is disposed on the cooling plate 195 . For example, one end of the connecting member 15 can be fixed on the second surface 195 b of the cooling plate 195 . Further, the connecting member 15 is a connecting head.

In a feasible embodiment, the base unit 11 includes a base 11a and at least one pneumatic connecting base 13 , the base 11a encloses an accommodating space 111 having an opening 112 , and the opening 112 communicates with the accommodating space 111 , the pneumatic connecting seat 13 is disposed in the accommodating space 111 , the pneumatic connecting seat 13 includes a connecting recess 132 , and the outer surface of the base 11 a is provided with a third through hole 116 communicating with the accommodating space 111 .

When the accommodating space 111 of the base unit 11 is closed with the second surface 195b of the cooling plate 195, the connecting piece 15 located on the second surface 195b can be aligned with the pneumatic connecting seat 13 on the base unit 11, and the air pressure can be inserted in the connecting recess 132 of the type connecting seat 13 . The content is created based on the third perforation 116 When the air pressure in the housing space 111 changes, the air pressure type connecting seat 13 can be used to engage the connector 15 in the connecting recess 132, so that a part of the outer surface of the housing 19a is connected to the opening 112, and the housing space 111 forms a In the airtight state, the first through hole 192 communicates with the accommodating space to achieve an engagement state. Further, the cooling plate 195 is stably fixed on the base unit 11 . In addition, the pneumatic connecting seat 13 can also release the connecting piece 15 when the air pressure in the accommodating space changes due to the third through hole 116 of the pneumatic connecting seat 13 . The casing 19 a (further, the cooling plate 195 ) is separated from the base unit 11 .

In practical application, the pneumatic connecting seat 13 can be connected to a second pump 123 through the third through hole 116 , and the second pump 123 controls the pneumatic connecting seat 13 to lock the connecting piece 15 on the pneumatic connecting seat 13 in the connecting recess 132. In this creative embodiment, the accommodating space 111 of the base unit 11 and the pneumatic connection base 13 are respectively connected to different pumps, such as the first pump 121 and the second pump 123 . In different embodiments, the first pump 121 and the second pump 123 can also be integrated into the same pump, so that the accommodating space 111 of the base unit 11 and the pneumatic connection base 13 are connected to the same pump, and further In other words, at least one valve may be provided in the pipeline connecting the pump, the accommodating space 111 and the pneumatic connecting seat 13, so as to achieve the effect of controlling the air pressure in sections. For example, the pneumatic connecting seat 13 and the accommodating space 111 are independently sealed from each other, the pneumatic connecting seat 13 communicates with the third through hole 116 and the pump through a pipeline, or the third through hole 116 is connected by the air pressure The connection between the pneumatic connecting seat 13 and the base 11a communicates with the pneumatic connecting seat 13 . The air pressure connecting seat 13 is first lowered by the second pump 123 to engage the connector 15 and then the first pump 121 is used to lower the accommodating space 111 , or the air pressure connecting seat 13 is first pumped by the pump The pump reduces the air pressure to engage the connector 15 and then stops reducing the air pressure with a valve, and then uses another valve to reduce the air pressure of the accommodating space 111 by the pump.

Through the use of the pneumatic connecting seat 13 and the connecting piece 15, the housing 19a (more specifically, the structure above the cooling plate 195) provided on the seat unit 11 can be quickly replaced, without the need for the prior art Generally, it is necessary to repeatedly remove and install a plurality of screws, thereby greatly improving the efficiency of replacing the molding unit 19 . In addition, in the process of replacing the molding unit 19, the cooling plate 195 and the mold base 194 do not need to be disassembled.

Please refer to FIG. 3 and FIG. 4 , which are side perspective views of another embodiment of the novel mold quick-change mechanism 1 , respectively. As shown in the figure, the base unit 11 , the cooling plate 195 and the die base 194 are arranged in layers.

The detailed structures and connection methods of the base unit 11 , the cooling plate 195 and the die base 194 have been described in the embodiments of FIG. 1 and FIG. 2 , so the description will not be repeated. The structure and connection method of the type connecting seat 13 will be described in detail.

The pneumatic connector 13 mainly includes a main body 131, a movable member 133, a plurality of elastic units 135, a pneumatic chamber 139 and at least one spherical body 137. The body 131, the pneumatic chamber 139 and the movable member 133 are arranged on the same axis, wherein Two ends of the elastic unit 135 in the deformation direction press against the main body 131 and the movable member 133 respectively. The movable element 133 is located in the air pressure chamber 139 , and the air pressure chamber 139 is connected to a pump (eg, the second pump 123 ) through the third through hole 116 , which causes the air pressure in the air pressure chamber 139 to drop and the movable element 133 The ball 137 is displaced relative to the body 131 along the axis, so that the ball 137 is engaged with the connecting member 15 . In detail, when the movable member 133 is acted by an external force, the elastic unit 135 can be compressed and displaced relative to the body 131 . For example, the main body 131 and the movable member 133 may be respectively provided with corresponding grooves for accommodating part of the elastic unit 135 .

The main body 131 includes a pipe body 1311 , wherein the main body 131 can be disc-shaped or cylindrical, and a central hole is provided in the center of the main body 131 . The main body 131 and the tube body 1311 can be two components, and part of the tube body 1311 can be disposed in the central hole of the main body 131 , so that the other part of the tube body 1311 protrudes from the main body 131 . In another embodiment of the present invention, the main body 131 and the tube body 1311 can also be formed as a single component.

The pipe body 1311 includes a connecting recess 132 and a plurality of fourth through holes 13111, as shown in FIG. space, and can be used to accommodate the connecting piece 15. A plurality of fourth through holes 13111 are disposed on the surface of the tube body 1311 and penetrate through the tube body 1311 .

Specifically, part of the tube body 1311 protrudes from the main body 131 , for example, part of the tube body 1311 protrudes from the main body 131 toward the setting direction of the movable member 133 , and the fourth through hole 13111 is disposed on the extending tube body 1311 of the protruding body 131 . . Therefore, in the engaged state, the ball 137 engages with the connecting member 15 through the fourth through hole 13111 .

The movable piece 133 is stacked with the body 131 , and the movable piece 133 includes a plunger 1331 and a protruding stopper 1333 , wherein the plunger 1331 is disc-shaped or cylindrical and stacked with the body 131 . The protruding stopper 1333 is disposed on the surface of the plunger 1331 , for example, on the surface of the plunger 1331 facing the body 131 , so that the protruding stopper 1333 is located between the plunger 1331 and the body 131 . The plunger 1331 and the protruding stopper 1333 may be a single component formed integrally, or may be two different components.

The protruding stopper 1333 can be annular and has an accommodating concave portion, wherein the accommodating concave portion can be used for accommodating part of the tube body 1311 . Further, at least one protruding portion 13331 is disposed on the inner surface of the protruding stopper 1333 , wherein the protruding portion 13331 is disposed on the inner surface of the protruding stopper 1333 close to the body 131 .

In an embodiment of the present invention, the inner surface of the protruding stopper 1333 can also be provided with at least one concave portion 13333, as shown in FIG. 137. That is, when the concave portion 13333 is configured in the release state, the ball 137 leaves the protruding unit 151 from the fourth through hole 13111 to release the connecting piece 15, so that the connecting piece 15 is released from the tube body 1311, and the The sphere 137 is accommodated by this recess 13333 . In addition, the number of the concave portion 13333 can be one, and it is an annular concave portion disposed on the inner surface of the protruding stopper 1333 . In another embodiment of the present invention, the number of the concave portions 13333 can be plural, and they are hemispherical or arc-shaped grooves disposed on the inner surface of the protruding stopper 1333 .

In more detail, the movable member 133 and the main body 131 can be displaced relative to each other, and the distance therebetween can be changed. A plurality of elastic units 135 are disposed between the movable member 133 and the main body 131 , wherein two ends of the elastic units 135 in the deformation direction respectively abut against the movable member 133 and the main body 131 .

The plurality of balls 137 are located between the protruding stopper 1333 of the movable piece 133 and the part of the tube 1311 in the main body 131 , for example, the balls 137 can be located in the concave part 13333 of the protruding stopper 1333 (released state) and/or the tube Inside the fourth through hole 13111 of 1311 (engaged state). The connector 15 may include a protruding unit 151 , wherein the protruding unit 151 may be located at one end of the connector 15 , and the ball 137 may engage with the protruding unit 151 of the connector 15 . In addition, the diameter of the fourth through hole 13111 of the pipe body 1311 is smaller than the diameter of the sphere 137 . When the sphere 137 is pressed by the protruding portion 13331 of the protruding stopper 1333 , the sphere 137 will not pass through the fourth through hole 13111 .

In an embodiment of the present invention, the movable member 133 in the pneumatic connecting seat 13 is located in the pneumatic chamber 139 and can be displaced along the inner wall surface of the pneumatic chamber 139 (parallel to the axis). The air pressure chamber 139 is a closed space and is connected to the second pump 123. The air pressure in the air pressure chamber 139 is changed through the second pump 123, so that the movable member 133 is displaced relative to the main body 131 along the inner wall surface of the air pressure chamber 139, and further In other words, the movable member 133 is displaced relative to the main body 131 along the stacking direction of the air pressure chamber 139 and the main body 131 . Specifically, when the second pump 123 inputs gas into the air pressure chamber 139 , the air pressure of the air pressure chamber 139 will be increased. If the air pressure in the air pressure chamber 139 is greater than the elastic force of the elastic unit 135 , the movable member 133 will be pushed to displace in the direction of the main body 131 . At this time, the ball 137 will leave the connecting recess 132 of the tube body 1311 , for example, enter the recess 13333 of the protruding stopper 1333 . In another possible embodiment, the ball 137 will leave the protruding unit 151 through the fourth through hole 13111 . Then, the connector 15 is released, so that the connector 15 is released from the tube body 1311 , and the ball 137 is received by the recess 13333 . Alternatively, the ball 137 only moves a little and still partially stays in the fourth hole 13111 after releasing the connecting piece 15 , and another part of the ball 137 is accommodated by the recess 13333 . The protruding unit 151 of the connecting piece 15 will not be restricted or engaged by the ball 137 , so that the connecting piece 15 can be taken out from the connecting concave portion 132 , as shown in FIG. 3 .

When the second pump 123 discharges the gas in the air pressure chamber 139, the air pressure in the air pressure chamber 139 will decrease. When the air pressure in the air pressure chamber 139 is smaller than the elastic force of the elastic unit 135 , the distance between the movable member 133 and the main body 131 will increase. At this time, the protruding portion 13331 on the inner surface of the protruding stopper 1333 will push the sphere 137 so that the sphere 137 enters each fourth through hole 13111 of the pipe body 1311 , wherein part of the volume of the sphere 137 enters through each fourth through hole 13111 The connecting recess 132 of the pipe body 1311 protrudes from the inner surface of the extending pipe body 1311 , so that the connecting piece 15 is clamped on the pneumatic connecting seat 13 , as shown in FIG. 4 .

Through the mold quick-change mechanism described in this creation, it is possible to simply control whether the air-pressure connecting seat locks the connecting piece in the connecting recess through the pump, so that the mold seat and the cooling plate can be quickly removed from the seat body unit. And replace different types of mold bases and/or cooling plates to achieve the purpose of quickly changing mold bases.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Modifications should be included in the scope of the patent application of the present invention.

1: Mold quick change mechanism

11: Seat unit

11a: Base

111: accommodating space

112: Opening

113: Bottom plate

114: Perforation

115: Side panel

116: Third Piercing

121: First pump

123: Second pump

13: Air pressure connector

132: Connection recess

15: Connectors

19: Forming unit

19a: Shell

19b: Forming Department

192: First Piercing

194: Mould base

195: Cooling Plate

195a: First Surface

195b: Second Surface

Claims (9)

A mold quick replacement mechanism, comprising: a molding unit, with a shell and a molding part, the two enclose a sealing space, the outer surface of the shell is provided with a first through hole communicating with the sealing space, and the molding The part has a second through hole communicating with the sealed space; at least one connecting piece is disposed on the casing, and the connecting piece has different distances from the first through hole and the second through hole; and a base unit includes a a base and at least one pneumatic connecting seat, the base encloses an accommodating space with an opening, the opening communicates with the accommodating space, the pneumatic connecting seat is arranged in the accommodating space, and the pneumatic connecting seat includes a connecting recess, the base is provided with a third through hole that communicates with the outside world and the pneumatic connecting seat; wherein, the pneumatic connecting seat makes the connecting piece and the air pressure change based on the air pressure change in the accommodating space caused by the third through hole The connection bases are in a snap state or a release state. The mold quick-change mechanism according to claim 1, wherein the housing further comprises a mold base and a cooling plate connected to each other, the cooling plate is connected to the opening, and the first through hole is opened in the cooling plate, the connection is The parts are arranged on the cooling plate. The mold quick-change mechanism according to claim 1, wherein the pneumatic connecting seat comprises a main body, a movable part, an elastic unit, a pneumatic chamber and at least one spherical body, and the main body, the pneumatic chamber and the movable part are the same The shaft is arranged, and the two ends of the elastic unit in the deformation direction respectively abut the main body and the movable piece, the movable piece is located in the air pressure chamber, and the air pressure chamber is connected to a pump through the third through hole, and the pump causes the air pressure When the air pressure in the chamber decreases, the movable member is displaced relative to the main body along the axis, so that the ball is engaged with the connecting member. The mold quick-change mechanism according to claim 3, wherein the body comprises a pipe body at least constituting a part of the connecting recess, and the movable member comprises a protruding stopper having an accommodating recess, the accommodating recess accommodating the accommodating portion the tube body, and another part of the tube body is arranged in the body, and a fourth through hole is arranged in part of the tube body, in the engaged state, the sphere is engaged with the connecting piece through the fourth through hole . The mold quick-change mechanism according to claim 4, wherein the connector includes a protruding unit, and in the engaged state, the ball is engaged with the protruding unit, so that the connector is engaged in the tube body . The mold quick-change mechanism according to claim 5, wherein the protruding stopper further comprises a concave portion, which is configured to release the connecting member when the ball leaves the protruding unit from the fourth through hole in the release state , so that the connector is released from the tube, and the ball is accommodated by the recess. The mold quick-change mechanism according to claim 6, wherein, in the release state, a part of the sphere is withdrawn from the fourth through hole to be accommodated by the recess, and another part of the sphere remains in the fourth through hole. The mold quick-change mechanism according to claim 3, wherein the accommodating space is communicated with another pump, and the air pressure in the sealed space is reduced through the accommodating space through the other pump, so that the air pressure in the molding part is A workpiece to be processed is attached to the surface of the forming part through the suction of the first through hole and the second through hole. The mold quick-change mechanism according to claim 1, wherein, in the engaged state, the pneumatic connecting seat engages the connecting piece inserted into the connecting recess, so that a part of the outer surface of the housing is connected to the opening, the The accommodating space becomes a closed state, the first through hole communicates with the accommodating space, and in the releasing state, the pneumatic connecting seat releases the connecting piece.

Images