CN219650470U

CN219650470U - Die capable of removing back-off and back-off removing structure thereof

Info

Publication number: CN219650470U
Application number: CN202320295777.XU
Authority: CN
Inventors: 徐道杰; 顾海清; 倪胜
Original assignee: Shanghai Chuangjin Plastic Mould Co ltd
Current assignee: Shanghai Chuangjin Plastic Mould Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-09-08
Anticipated expiration: 2033-02-23

Abstract

The utility model discloses a back-off mold and a back-off structure, which are mainly used for back-off of a product, wherein the product is provided with a back-off clamping groove. The back-off component comprises a group of belt moving parts, at least one back-off fastener and a linkage member, wherein the belt moving parts are arranged on the upper die holder, and the belt moving parts move up and down to link the linkage frame to drive the back-off fastener to move forwards and backwards.

Description

Die capable of removing back-off and back-off removing structure thereof

Technical Field

The utility model relates to the technical field of dies, in particular to a die capable of removing back-off and a back-off removing structure thereof.

Background

The mold plays an irreplaceable role in production and manufacture, and most of living goods cannot be separated from the mold, such as cups, keyboards and other plastic products. In addition, in the automotive field, wire jackets for automotive door installations are also made by molding.

In the process of manufacturing a product by using a mold, a clamping groove or a hole is usually formed in the surface of the product due to the self requirement of the product, and demolding operation is required after the product is finished, but in the demolding process, the forming structure can interfere the clamping groove or the hole.

At present, the manufactured wire sheath can form an inverted buckle slot, and the existing mould usually adopts a forced ejection mode to carry out demoulding after the wire sheath is manufactured successfully, but the part forming the inverted buckle slot is damaged by pulling, and the product PL wire appears. Meanwhile, due to the function limitation of the power-receiving wire sheath, water leakage test is needed at the part where the back-off clamping groove is formed, and if the product is not subjected to back-off removal operation in the demolding process, the sealing effect of the product can be affected due to the fact that the part is damaged by pulling.

Disclosure of Invention

The utility model has the advantages that the mold capable of removing the back-off is provided, the back-off removing operation is completed while the mold is removed, the interference of the molding part on the demolding of the back-off clamping groove is avoided, the deformation in the demolding process is reduced, the occurrence of a product PL line is avoided, and the appearance and the performance of the product are improved.

The utility model has the advantages that the mould capable of removing the back-off is provided, the moving direction of the back-off is limited by the limiting piece in the back-off removing process, the back-off removing operation is ensured to be carried out according to the preset direction, and the effect of affecting the back-off removing effect due to direction deviation in the back-off removing process is avoided.

To achieve at least one of the above advantages, the present utility model provides a mold capable of releasing back-off, mainly used for releasing back-off of a product, the product having a back-off slot, the mold capable of releasing back-off comprising:

the die holder assembly comprises an upper die holder, a lower die holder and a forming seat, wherein the upper die holder is arranged on the lower die holder in a vertically movable manner, at least one forming cavity is formed between the upper die holder and the lower die holder, the forming seat is arranged in the forming cavity, the upper die holder is provided with an injection molding opening, and the injection molding opening is communicated with the forming cavity;

the back-off component comprises a group of belt moving parts, at least one back-off piece and a linkage member, wherein the back-off piece is installed on the belt moving parts in a longitudinally forward and backward moving way through the linkage member, the belt moving parts can be driven to move up and down, and the belt moving parts can be arranged to move up and down and simultaneously, the linkage member is linked to drive the back-off piece to move back and forth.

According to an embodiment of the present utility model, the reverse-off component has a forming portion, the forming portion is sized to fit in the reverse-off clamping groove, the reverse-off component is disposed in the forming cavity, and the reverse-off component is mounted on the forming seat.

According to an embodiment of the utility model, the linkage member comprises a mounting part, a group of limiting parts and a group of connecting parts, wherein the mounting part is mounted on the limiting parts and the belt moving parts through the connecting parts, the limiting parts are provided with first inclined grooves, an included angle between an extension line of each first inclined groove and the top surface of each limiting part is an obtuse angle, each belt moving part is provided with a horizontal transverse groove, the horizontal transverse grooves are mutually communicated with each first inclined groove, and the connecting parts are arranged in a placing space formed by the horizontal transverse grooves and the first inclined grooves.

According to an embodiment of the utility model, the connecting element is integrally formed by the mounting element.

According to an embodiment of the present utility model, the back-off component further includes a limiting member, the limiting member is mounted on the belt moving member, the mounting member has a limiting body, the limiting body is formed by extending the mounting member in a longitudinal direction toward the limiting member, the limiting member has a limiting structure, the limiting body is mounted on the limiting structure in a longitudinally movable manner, and the forming seat is mounted on the limiting member.

According to an embodiment of the present utility model, the limit body has a sliding portion and a stop portion, the stop portion is formed by extending the sliding portion, and the stop portion is formed by extending the sliding portion in a vertical direction.

According to an embodiment of the present utility model, the mold for removing the undercut further includes a stripper assembly, the stripper assembly includes a set of moving members and a stripper member, the stripper member is mounted on the moving members, and the stripper member is mounted on the molding cavity, the belt moving member includes a second chute, two ends of the moving members are slidably mounted on the second chute, and a lower end of the second chute is located at a side far from the undercut, and the limiting member further includes a vertical groove, and the vertical groove is connected to the first chute.

According to an embodiment of the present utility model, the moving member includes a moving body and a mounting body, the demolding member is mounted at one end of the moving body near the demolding buckle, the mounting body is mounted at two ends of the moving body, and the mounting body is disposed at the second chute.

According to an embodiment of the utility model, the mounting body has a grip portion extending from the mounting body in a lateral direction and protruding from the second chute.

The utility model provides a take off back-off structure, takes off back-off operation to a product mainly in a die holder subassembly, the die holder subassembly includes an upper die base, a die holder and a shaping seat, the upper die base by up-and-down movable install in the die holder, the upper die base with form at least one shaping chamber between the die holder, the shaping seat install in the shaping chamber, the upper die base has a passageway of moulding plastics, the passageway of moulding plastics forms an injection molding mouth, the passageway of moulding plastics communicate in the mouth of moulding plastics with the shaping chamber, the product has a back-off draw-in groove, take off back-off structure includes:

the back-off component comprises a group of belt moving parts, at least one back-off fastener and a linkage member, wherein the back-off fastener is installed on the belt moving parts in a back-and-forth movable mode through the linkage member, the belt moving parts are installed on the upper die holder, and the belt moving parts are linked through up-and-down movement to drive the back-off fastener to move back and forth through the linkage frame so as to finish back-off operation.

Drawings

Fig. 1 shows a schematic structural view of a releasable back-off die according to the present utility model.

Fig. 2 shows a schematic structural view of the releasable back-off die according to the present utility model in one state.

Fig. 3 shows a schematic structural view of a partial structure of a releasable back-off die according to the present utility model.

Fig. 4 shows a schematic structural view of a partial structure of a releasable back-off die according to the present utility model in another state.

Fig. 5 shows a partial top view of the releasable back-off die of the present utility model.

Fig. 6 shows a partial side view of a releasable back-off die according to the utility model.

Fig. 7 shows a partial side view of another embodiment of the releasable back-off die of the present utility model.

Fig. 8 shows a partial side view of another embodiment of the releasable back-off die of the present utility model.

Detailed Description

The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.

It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present utility model.

It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.

Referring to fig. 1 to 8, a releasable back-off mold according to a preferred embodiment of the present utility model will be described in detail below, the releasable back-off mold being mainly used for releasing back-off of a product 90, the product 90 having a back-off clamping groove 9001, the releasable back-off mold comprising a die holder assembly 10 and a release back-off assembly 20.

The die holder assembly 10 includes an upper die holder 11, a lower die holder 12 and a forming base 13, the upper die holder 11 is mounted on the lower die holder 12 in a vertically movable manner, at least a forming cavity 1001 is formed between the upper die holder 11 and the lower die holder 12, and the forming base 13 is mounted on the forming cavity 1001.

The upper die holder 11 has an injection port 1101, and the injection channel 1101 is communicated with the molding cavity 1001. Thus, when it is desired to manufacture the product 90, the injection molding liquid is introduced into the molding cavity 1001 through the injection port 1101 to mold the product 90. As will be appreciated by those skilled in the art, when the product 90 is formed, the product 90 is wrapped around the forming seat 13.

The knockover assembly 20 includes a set of belt shifts 21, at least one knockover fastener 22, and a linkage member 23. The knock-out fastener 22 is attached to the belt shifter 21 so as to be movable longitudinally forward and backward by the interlocking member 23. The belt shifter 21 is driven to move up and down, and the belt shifter 21 is arranged to move up and down while being linked with the linkage member 23 to drive the back and forth movement of the back and forth release member 22, thereby completing the back and forth release operation.

The knock-out piece 22 is placed in the molding cavity 1001, and the knock-out piece 22 is mounted to the molding seat 13. The release button 22 has a molding portion 221, and the molding portion 221 is sized to fit into the button slot 9001. Specifically, when the back-off component 22 moves, the forming part 221 is driven to move synchronously, so that the forming part 221 moves longitudinally and is away from the back-off clamping groove 9001, the back-off operation of the product 90 is completed, and the hard contact between the forming part 221 and the back-off clamping groove 9001 when the product 90 is demoulded is avoided, so that the back-off clamping groove 9001 deforms, and the quality of the product 90 is affected.

Preferably, the belt shifter 21 is mounted on the upper die holder 11, so that when the upper die holder 11 is driven to move up and down, the belt shifter 21 is driven to move up and down synchronously, and the belt shifter 21 is configured to move up and down, and the linkage member 23 is linked to drive the back and forth movement of the back and forth release fastener 22, so as to complete the back and forth release operation.

Thus, when the upper die holder 11 is opened, the upper die holder 11 moves upward, and the knock-over fastener 22 moves backward in the longitudinal direction, so that the knock-over fastener 22 is separated from the product 90, thereby completing the knock-over operation. When the upper die holder 11 moves down to be clamped, the knock-out fastener 22 is linked to move forward in the longitudinal direction, so that the knock-out fastener 22 returns to the initial position to be ready for the next molding.

Specifically, in one embodiment, the linkage member 23 includes a mounting member 231, a set of limiting members 232, and a set of connecting members 233. The mounting member 231 is mounted to the stopper 232 and the belt moving member 21 via the connecting member 233, and the mounting member 231 is mounted to the lower die holder 12.

Referring to fig. 6, the limiting member 232 has a first inclined slot 23201, and an included angle between an extension line of the first inclined slot 23201 and a top surface of the limiting member 232 is an acute angle. The belt shifter 21 has a horizontal slot 2101, the horizontal slot 2101 and the first chute 23201 are communicated with each other, and the connecting member 233 is disposed in a placement space 2001 formed by the horizontal slot 2101 and the first chute 23201.

Thus, when the belt moving member 21 moves upward, the connecting member 233 is driven to move upward synchronously, and the mounting member 231 is mounted on the connecting member 233, so that the mounting member 231 is driven to move upward synchronously. When the connecting member 233 moves upward, the first chute 23201 presses the connecting member 233, so that the connecting member 233 is driven to move longitudinally synchronously, and the mounting member 231 is driven to move upward and away from the product 90 longitudinally. The release fastener 22 is mounted on the mounting member 231, so that when the mounting member 231 moves, the release fastener 22 is driven to move upwards and simultaneously away from the product 90 along the longitudinal direction, so that the forming portion 221 is away from the back-off clamping groove 9001, the release operation of the release back-off die is completed while the die is opened, the phenomenon that the upper die holder 11 is directly opened to cause the back-off clamping groove 9001 to generate a product PL line is avoided, and the appearance and performance of the product 90 are improved. .

In addition, when the belt moving member 21 moves downward, the connecting member 233 is driven to move downward synchronously, and the mounting member 231 is mounted on the connecting member 233, so that the mounting member 231 is driven to move downward synchronously. Similarly, when the connecting member 233 moves downward, the connecting member 233 moves downward and moves longitudinally by the cooperation of the first chute 23201 and the horizontal slot 2101, so as to drive the mounting member 231 to move longitudinally at the same time, and the mounting member 231 returns to the original position, so as to drive the falling fastener 22 mounted on the mounting member 231 to move to the original position in preparation for the next molding.

As will be appreciated by those skilled in the art, in another embodiment, the connector 233 is formed by extending the mounting member 231.

Further, the back-off assembly 20 further includes a limiting member 24, the limiting member 24 is mounted on the belt moving member 21, the mounting member 231 has a limiting body 2311, and the limiting body 2311 is formed by extending the mounting member 231 along a longitudinal direction toward the limiting member 24. The limiting member 24 has a limiting structure 241, and the limiting body 2311 is longitudinally movably mounted on the limiting structure 241.

Further, the forming seat 13 is mounted on the movement limiting member 24, and when the movement limiting member 24 moves upwards, the forming seat 13 is driven to move upwards synchronously, so that the product 90 coated on the forming seat 13 is driven to move upwards synchronously and separate from the inner wall of the forming cavity 1001.

In this way, when the belt moving member 21 moves upward, the limiting member 24 is driven to move upward synchronously, and in the process of moving upward, the limiting body 2311 slides along the limiting structure 241, so that the limiting structure 241 is used to limit the moving direction of the limiting body 2311, and meanwhile, the movement of the mounting member 231 is balanced, so as to ensure the balance of the mounting member 231 when moving longitudinally.

In one embodiment, the limiting structure 241 is implemented as a channel into which the limiting body 2311 extends and is slidably mounted to the channel.

In another embodiment, the limiting structure 241 is implemented as a chute, and the limiting body 2311 is slidably mounted to the chute.

Preferably, the limiting body 2311 has a sliding portion 23111 and a stopping portion 23112, the stopping portion 23112 is formed by extending the sliding portion 23111, and a sliding distance of the sliding portion 23111 is defined by the stopping portion 23112.

In an embodiment, the stop portion 23112 is formed by extending the sliding portion 23111 in a vertical direction.

In another embodiment, the stop 23112 is formed by the sliding portion 23111 extending in a longitudinal direction, and the size of the stop 23112 is larger than that of the limiting structure 241.

Referring to fig. 5, further, when the stop portion 23112 is formed by extending the sliding portion 23111 in a vertical direction, the belt moving member 21 includes a movement limiting structure 211, and the sliding portion 23111 is slidably mounted on the movement limiting structure 211.

In one embodiment, the movement limiting structure 211 is implemented as a limiting groove, and the sliding portion 23111 is slidably mounted to the limiting groove.

It will be appreciated by those skilled in the art that in another embodiment, the movement limiting structure 211 may also be implemented as a protrusion, and the sliding portion 23111 may be slidably mounted to the protrusion.

Further, the releasable back-off mold further comprises a demolding assembly 30, wherein the demolding assembly 30 comprises a group of moving parts 31 and a demolding member 32. The demolding member 32 is mounted on the movable member 31, and the demolding member 32 is mounted on the molding cavity 1001, the belt shifter 21 includes a second chute 2102, both end portions of the movable member 31 are slidably mounted on the second chute 2102, and a lower end of the second chute 2102 is located at a side away from the back-off member 22. Meanwhile, the limiting member 232 further has a vertical slot 23202, and the vertical slot 23202 is communicated with the first chute 23201.

Thus, when the belt moving member 21 moves upward, the demolding member 32 and the demolding piece 22 are driven to move upward synchronously, so that the product 90 is driven to move upward synchronously, and the product 90 is separated from the molding cavity 1001. Subsequently, when the back-off operation is completed, the moving member 31 may be slid in a longitudinal direction away from the back-off member 22, so that both ends of the moving member 31 slide along the second chute 2102, thereby causing the release member 32 to be away from the product 90, and the release operation is completed.

Referring to fig. 3 to 4, further, the moving member 31 includes a moving body 311 and a mounting body 312, the demolding member 32 is mounted on an end of the moving body 311 near the demolding piece 22, the mounting body 312 is mounted on two ends of the moving body 311, and the mounting body 312 is disposed on the second chute 2102. In this way, when the belt moving member 21 moves, the mounting body 312 is driven to move synchronously, and finally the moving body 311 is driven to move synchronously, and the moving body 311 is detachably mounted on the mounting body 312, so that the connection between the moving body 311 and the mounting body 312 is facilitated.

Referring to fig. 3, the mounting body 312 preferably has a holding portion 3121, and the holding portion 3121 extends from the mounting body 312 along a lateral direction and extends out of the second chute 2102, so as to facilitate the movement of the mounting body 312 by a user.

Referring to fig. 7 to 8, in another embodiment, the moving member 31 includes a moving body 311A, a mounting body 312A and a clamping member 313A, the mounting body 312A has a clamping channel 31201A, the clamping channel 31201A is formed by a vertical slot and an inclined slot, the vertical slot and the vertical slot 23202 are in a consistent specification, and the inclined slot and the first inclined slot 23201 are in a consistent specification and are in a mirror image. Meanwhile, the belt shifter 21 has a horizontal transverse slot 2103A, and the horizontal transverse slot 2103A and the horizontal transverse slot 2101 are at the same height.

The catching member 313A is mounted to the moving body 311A and is disposed in the catching channel 31201A and the horizontal transverse slot 2103A, thereby limiting movement of the moving body 311A.

In this way, when the belt moving member 21 moves upward, the clamping member 313A is driven to move upward synchronously and move along the clamping channel 31201A, the clamping member 313A is driven to move upward and simultaneously move away from the product 90 in the longitudinal direction, and the moving body 311A is mounted on the clamping member 313, so that the moving body 311A is driven to move upward and simultaneously move away from the product 90 in the longitudinal direction, thereby automatically completing the demolding operation. Similarly, when the belt moving member 21 moves downward, the clamping member 313A drives the moving body 311A to automatically return to the initial position, so as to prepare for the next manufacture of the product 90.

The working method of the die capable of removing the back-off is provided, and mainly comprises the following steps:

the belt moving part 21 moves upwards, and the forming part 221 of the back-off piece 22 is linked by the linking member 23 to be longitudinally far away from the back-off clamping groove 9001, so that the back-off operation is finished while the mold opening operation is realized, and the back-off clamping groove 9001 is prevented from being damaged.

Further, the working method of the mold capable of removing the back-off comprises the following steps:

the belt moving member 21 drives the moving member 31 to move upward synchronously, and after the moving member 31 moves upward, the belt moving member moves along the second chute 2102, so that the demolding member 32 moves away from the product 90 in the longitudinal direction, and the demolding operation is completed.

a blowing device is blown between the forming seat 13 and the product 90, so that a gap is generated between the forming seat 13 on the inner wall of the product 90, and then the product 90 is pulled out of the forming seat 13, so that friction between the forming seat 13 and the inner wall of the product 90 is reduced.

It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The advantages of the present utility model have been fully and effectively realized. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model may be modified or practiced without departing from the principles described.

Claims

1. The utility model provides a can take off mould of back-off, mainly used product take off the back-off, the product has a back-off draw-in groove, its characterized in that, can take off mould of back-off includes:

2. The mold of claim 1, wherein the knockover piece has a molding portion sized to fit in the knockover groove, the knockover piece is disposed in the molding cavity, and the knockover piece is mounted to the molding seat.

3. The releasable, back-off die of claim 2 wherein the linkage member comprises a mounting member, a set of limiting members and a set of connecting members, the mounting member being mounted to the limiting members and the strap moving members by the connecting members, the limiting members having a first chute, the angle between the extension of the first chute and the top surface of the limiting members being an obtuse angle, the strap moving members having a horizontal slot, the horizontal slot and the first chute being in communication with each other, the connecting members being disposed in a placement space defined by the horizontal slot and the first chute.

4. A releasable, back-off die as claimed in claim 3, wherein the connecting member is integrally formed with the mounting member.

5. The mold of claim 4, wherein the back-off removing assembly further comprises a limiting member, the limiting member is mounted on the belt moving member, the mounting member has a limiting body, the limiting body is formed by extending the mounting member longitudinally toward the limiting member, the limiting member has a limiting structure, the limiting body is mounted on the limiting structure in a longitudinally movable manner, and the forming seat is mounted on the limiting member.

6. The releasable back-off die of claim 5, wherein the limit body has a sliding portion and a stop portion, the stop portion being formed by the sliding portion extending in a vertical direction.

7. The releasable, back-off die of claim 6 further comprising a stripper assembly comprising a set of moving members and a stripper member, the stripper member mounted to the moving members and the stripper member mounted to the forming cavity, the belt moving members including a second chute to which both ends of the moving members are slidably mounted and the lower end of the second chute is located on a side remote from the release member, the retainer further having a vertical slot communicating with the first chute.

8. The releasable clip of claim 7, wherein the moveable member comprises a moveable body and a mounting body, the release member is mounted to an end of the moveable body adjacent the releasable clip, the mounting body is mounted to both ends of the moveable body, and the mounting body is disposed in the second chute.

9. The releasable, back-off die of claim 8, wherein the mounting body has a grip portion extending laterally from the mounting body and extending beyond the second chute.

10. The utility model provides a take off back-off structure, takes off back-off operation to a product mainly in a die holder subassembly, the die holder subassembly includes an upper die base, a die holder and a shaping seat, the upper die base by but up-and-down movable install in the die holder, the upper die base with form at least one shaping chamber between the die holder, the shaping seat install in the shaping chamber, the upper die base has a passageway of moulding plastics, the passageway of moulding plastics forms an injection molding mouth, the passageway of moulding plastics communicate in the mouth of moulding plastics with the shaping chamber, the product has a back-off draw-in groove, its characterized in that takes off back-off structure includes:

the back-off component comprises a group of belt moving parts, at least one back-off piece and a linkage member, wherein the back-off piece is installed on the belt moving parts in a back-and-forth movable mode through the linkage member, the belt moving parts are installed on the upper die holder, and the belt moving parts are linked through up-and-down movement to drive the back-off piece to move back and forth through the linkage member so as to finish back-off operation.