CN218928722U

CN218928722U - Abnormal shape insulating sheet forming die and tablet press

Info

Publication number: CN218928722U
Application number: CN202223555614.5U
Authority: CN
Inventors: 夏令坤; 杨健; 朱刚; 楚松峰; 高华
Original assignee: SF Diamond Co Ltd
Current assignee: SF Diamond Co Ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-04-28
Anticipated expiration: 2032-12-29

Abstract

The utility model relates to the technical field of superhard composite materials, in particular to a special-shaped insulating sheet forming die and a tablet press. The molding die comprises a middle die, a first die and a second die which are oppositely arranged along the up-down direction, wherein a middle die cavity which extends along the up-down direction is formed in the middle die, the first die, the second die and the middle die cavity jointly enclose a molding cavity, a molding press head for molding a concave surface of the special-shaped insulating sheet is arranged at the end part of the first die, which faces the second die, the movement stroke of the first die meets the requirement that the molded special-shaped insulating sheet can be pushed out of the molding cavity, the first die comprises an outer die and an inner die penetrating through the outer die, the molding press head is arranged at the end part of the inner die, which faces the molding cavity, so that the molded special-shaped insulating sheet is separated from the molding press head through the relative movement of the inner die and the outer die, and the technical problem that the production efficiency is low due to complex demolding process when the special-shaped insulating sheet 12 is pressed by a tablet press in the prior art is solved.

Description

Abnormal shape insulating sheet forming die and tablet press

Technical Field

The utility model relates to the technical field of superhard composite materials, in particular to a special-shaped insulating sheet forming die and a tablet press.

Background

Polycrystalline diamond has excellent impact resistance and wear resistance, so that the polycrystalline diamond is widely applied to the fields of coal mine, petroleum and natural gas exploitation and the like, in actual operation, as the depth of a exploited bottom layer and the complexity of terrains and strata of geological exploration are increased, the polycrystalline diamond with common plane teeth cannot meet the drilling of complex terrains, and special-shaped teeth can be designed into different adapting shapes according to different drilling requirements, so that the special-shaped teeth are generally utilized to drill complex terrains in the prior art.

At present, the special-shaped teeth generally have two production forms, one is to firstly produce flat tooth blanks, and then the flat tooth blanks are processed into the required shape by utilizing a laser processing mode, but the production mode has large processing allowance and large processing period and is relatively high in cost. Another production method is a direct synthesis method, in which a special-shaped insulating sheet (for example, an insulating sheet corresponding to a ridge tooth) as shown in fig. 1 and 2 is required to be used, wherein the inner cavity of the special-shaped insulating sheet is matched with the tooth shape of the special-shaped tooth, and the special-shaped tooth can be synthesized by directly using the special-shaped insulating sheet.

In the prior art, a molding die for pressing powder materials, such as disclosed in chinese patent application publication No. CN203485478U, may be used for pressing a special-shaped insulating sheet, where the die includes, from top to bottom, a pressing rod (i.e., a second pressing die), a die body, and a pressing seat (i.e., a first pressing die), where the die body is a three-section integrated structure formed by connecting an upper die sleeve, a middle die sleeve, and a lower die sleeve by bolts, opposite ends of the pressing rod and the pressing seat respectively extend into an inner cavity of the die body, so that the pressing rod, the inner cavity of the die body, and the pressing seat together form a mold cavity (i.e., a molding cavity), during pressing a part, firstly raw materials are filled into the molding cavity, then the whole set of die is placed on a table of a tablet press, and then pressing is completed by the tablet press, during demolding, firstly, the pressing rod and the pressing seat are removed, and then the upper die sleeve and the lower die sleeve are respectively removed, and then the samples that are processed in the inner cavity of the middle die sleeve are taken out, and the demolding is completed.

The molding die can be used for pressing the special-shaped insulating sheet, but the upper die sleeve and the lower die sleeve are required to be removed when the molding die is used for demolding, the whole demolding process is complex, the reassembling is required when the molding die is pressed next time, manual participation is inevitably required when the molding die is used in actual use, automatic production cannot be achieved, the whole working efficiency is low, and the whole production process can be seriously dragged and slowed down when the molding die is used in actual production.

Disclosure of Invention

The utility model aims to provide a special-shaped insulating sheet forming die which solves the technical problem of low production efficiency caused by complicated demoulding process when the forming die presses special-shaped insulating sheets in the prior art.

In order to achieve the above purpose, the technical scheme of the special-shaped insulating sheet forming die provided by the utility model is as follows:

the utility model provides a special-shaped insulating sheet forming die, including well mould and the first moulding-die and the second moulding-die of relative setting in the upper and lower direction, be provided with the well mould inner chamber of extending along upper and lower direction on the well mould, first moulding-die and second moulding-die enclose into the shaping chamber with well mould inner chamber jointly, the tip of first moulding-die towards second moulding-die is provided with the shaping pressure head that is used for shaping special-shaped insulating sheet concave surface, the motion stroke of first moulding-die satisfies and can push out the special-shaped insulating sheet after shaping into the die cavity, first moulding-die includes outer moulding-die and wears to establish the interior compression mould in outer moulding-die, shaping pressure head sets up the tip of interior compression mould towards the die cavity in order to realize breaking away from the special-shaped insulating sheet after shaping with shaping pressure head through the relative motion of interior compression mould and outer moulding-die.

The beneficial effects are that: according to the special-shaped insulating sheet forming die disclosed by the utility model, the forming die in the prior art is improved, when an insulating sheet is pressed, the special-shaped insulating sheet can be pressed and formed in the forming cavity by utilizing the opposite movement of the first pressing die and the second pressing die, after the pressing is finished, the special-shaped insulating sheet can be pushed out of the forming cavity by the outer pressing die and the inner pressing die, the inner pressing die is arranged in the outer pressing die in a penetrating manner, and further, after the special-shaped insulating sheet is pushed out, the formed special-shaped insulating sheet can be separated from the forming pressing head by utilizing the opposite movement of the inner pressing die and the outer pressing die, and in the whole production process of the special-shaped insulating sheet, the outer pressing die is the forming die for forming, participates in forming work, and also participates in the stripping work of the special-shaped insulating sheet, so that the whole stripping process is simple to operate, manual participation is not needed, and meanwhile, the next special-shaped insulating sheet can be directly processed and produced after the stripping, the production process is automatic and coherent, and the production efficiency is higher.

Further, the forming press head is detachably connected with the inner pressure die.

The beneficial effects are that: through the design, when in actual use, the production of different abnormal-shaped insulating sheets can be adapted by changing different forming pressure heads, and the universality of the die is improved.

Further, the forming press head is in threaded connection with the inner pressure die.

The beneficial effects are that: the device is convenient to disassemble and assemble through threaded connection and simple and reliable in structure, and meanwhile, the threaded connection can enable the connection structure between the forming press head and the internal pressure die to be in the interior, so that sealing sliding fit between the internal pressure die and the external pressure die cannot be influenced.

Further, the length of the outer die is greater than the length of the inner cavity of the middle die such that the end of the outer die facing away from the forming cavity is outside the inner cavity of the middle die.

The beneficial effects are that: through the design, the end part of the outer pressing die, which is opposite to the forming cavity, extends out of the middle die cavity, so that the end part is conveniently connected with a corresponding power end on the tablet press, the whole operation is simple, and the connecting part is arranged outside the middle die cavity, so that the observation can be facilitated, and faults can be found and eliminated in time.

Further, the length of the inner die is greater than the length of the outer die such that the inner die is spaced from the end of the outer die facing away from the forming cavity in the stamping direction.

The beneficial effects are that: through the design, the end parts, connected with the corresponding power ends on the tablet press, of the inner pressing die and the outer pressing die can be arranged at intervals in the punching direction, so that the connection with the tablet press is facilitated, interference is not easy to occur during actual operation, and reliability is improved.

Further, the first die and the second die are disposed opposite to each other up and down, and the first die is on the lower side.

The beneficial effects are that: through the design, the first press die is arranged at the lower side, the forming press head is arranged at the lower side, when demoulding is carried out, the special-shaped insulating sheet is ejected out of the forming cavity from top to bottom, the inner press die moves downwards to enable the forming press head to be separated from the special-shaped insulating sheet, and in the process, the outer press die can support the special-shaped insulating sheet to avoid damage caused by falling of the special-shaped insulating sheet downwards in the demoulding process.

Further, the middle die comprises a middle die base body and a forming bushing which is penetrated and fixed on the middle die base body along the up-down direction, wherein an inner hole of the forming bushing forms an inner cavity of the middle die, and the material strength of the forming bushing is higher than that of the middle die base body.

The beneficial effects are that: through the design, on one hand, the inner hole of the forming bushing with higher material strength is used as the inner cavity of the middle mold, so that the middle mold base body can be produced by using materials with lower material strength, the production cost is reduced, on the other hand, the forming bushing and the middle mold base body are separately designed, and after the forming cavity is worn in long-time use, the forming bushing can be continuously produced without replacing the whole middle mold, so that the production cost is reduced.

Further, the second die is in clearance fit with the inner cavity of the middle die and the fit clearance is 0.03mm to 0.1mm.

The beneficial effects are that: through the design, the resistance is larger when the second pressing die and the middle die inner cavity are in relative motion due to the fact that the second pressing die and the middle die inner cavity are too sealed, the special-shaped insulating sheet is difficult to form due to the fact that the special-shaped insulating sheet is difficult to form, the fit clearance is between 0.03mm and 0.1mm, the clearance between the second pressing die and the middle die inner cavity can be reduced as much as possible on the basis of guaranteeing the reliable forming action of the second pressing die, and the pressing effect of the special-shaped insulating sheet is guaranteed.

Further, the diameter of the forming ram is consistent with the diameter of the inner die.

The beneficial effects are that: through the design, the abnormal step surface of the pressed special-shaped insulating sheet caused by the tiny displacement of the inner pressing die and the outer pressing die in the up-down direction can be avoided, and the forming effect of the special-shaped insulating sheet is ensured.

In order to achieve the above purpose, the technical scheme of the special-shaped insulating sheet pressing machine provided by the utility model is as follows:

the utility model provides a special-shaped insulating sheet tablet press, including special-shaped insulating sheet forming die, and be used for driving special-shaped insulating sheet forming die's corresponding moulding-die and carry out relative motion actuating mechanism, special-shaped insulating sheet forming die includes well mould and along the relative first moulding-die and the second moulding-die that set up in upper and lower direction, be provided with the well mould inner chamber that extends along upper and lower direction on the well mould, first moulding-die and second moulding-die enclose into the shaping chamber jointly with well mould inner chamber, the tip of first moulding-die towards the second moulding-die is provided with the shaping pressure head that is used for shaping special-shaped insulating sheet concave surface, the motion stroke of first moulding-die satisfies and can push out the special-shaped insulating sheet after shaping die cavity, first moulding-die includes outer moulding-die and wears to establish the interior moulding-die in outer moulding-die, shaping pressure head sets up at the tip of interior moulding-die towards the shaping die to realize breaking away from the special-shaped insulating sheet after shaping with shaping pressure head through the relative motion of interior moulding-die and outer moulding-die.

The beneficial effects are that: according to the special-shaped insulating sheet pressing machine, the pressing machine in the prior art is improved, when an insulating sheet is pressed, the special-shaped insulating sheet can be pressed and formed in the forming cavity by utilizing the opposite movement of the first pressing die and the second pressing die of the special-shaped insulating sheet forming die, after the pressing is finished, the special-shaped insulating sheet can be pushed out of the forming cavity by the outer pressing die and the inner pressing die, the inner pressing die is arranged in the outer pressing die in a penetrating manner, and further the special-shaped insulating sheet can be separated from the forming pressing head after being pushed out by utilizing the opposite movement of the inner pressing die and the outer pressing die.

Drawings

FIG. 1 is a schematic structural view of a profiled insulating sheet;

FIG. 2 is a cross-sectional view from an elevational view of a profiled insulating sheet;

fig. 3 is a schematic view showing the overall structure of a special-shaped insulating sheet molding die of embodiment 1 of a special-shaped insulating sheet press of the present utility model;

fig. 4 is a cross-sectional view from the front view of a profiled insulating sheet forming die of example 1 of a profiled insulating sheet press of the utility model;

fig. 5 is a schematic structural view of an upper die of a profiled insulating sheet molding die of example 1 of a profiled insulating sheet press of the present utility model;

fig. 6 is a cross-sectional view of a middle die of a profiled insulating sheet forming die of profiled insulating sheet press example 1 of the utility model;

fig. 7 is a cross-sectional view of the outer die of a profiled insulating sheet molding die of profiled insulating sheet press machine example 1 of the present utility model;

fig. 8 is an elevation view of an inner die of a profiled insulating sheet molding die of profiled insulating sheet press machine example 1 of the present utility model;

fig. 9 is a left side view of an inner die of a profiled insulating sheet molding die of profiled insulating sheet press machine example 1 of the utility model.

Reference numerals illustrate:

1. performing upper pressing; 2. an upper pressure head; 3. middle mold; 4. an inner cavity of the middle die; 5. an annular protrusion; 6. pressing down the die; 7. an outer pressing mold; 8. an inner pressing mold; 9. forming a pressure head; 10. molding surface; 11. a molding cavity; 12. a special-shaped insulating sheet; 13. forming a bushing; 14. a middle mold base.

Detailed Description

According to the special-shaped insulating sheet tablet press, after the pressing is finished, the special-shaped insulating sheet can be pushed out of the forming cavity by the outer pressing die and the inner pressing die, the inner pressing die is arranged in the outer pressing die in a penetrating mode, and further after the special-shaped insulating sheet is pushed out, the special-shaped insulating sheet and the forming pressing head can be separated after forming by utilizing the relative movement of the inner pressing die and the outer pressing die, and in the whole production process of the special-shaped insulating sheet, the outer pressing die is a forming die for forming, takes part in forming work, takes part in stripping work of the special-shaped insulating sheet by the discharging pushing rod during stripping, so that the whole stripping process is simple to operate.

The features and capabilities of the present utility model are described in further detail below in connection with the examples.

The utility model provides a specific embodiment 1 of a special-shaped insulating sheet pressing machine, which comprises the following steps:

as shown in fig. 3 and 4, in the present embodiment, the profiled insulating sheet press (hereinafter referred to as a press sheet machine) includes a machine body (not shown in the drawings) and a profiled insulating sheet forming die provided on the machine body, and a connection end (not shown in the drawings) for connecting with a corresponding die of the profiled insulating sheet forming die and a driving mechanism (not shown in the drawings) for driving the corresponding die of the profiled insulating sheet forming die to perform relative movement are further provided on the machine body.

The special-shaped insulating sheet forming die comprises a middle die 3, a first die and a second die which are oppositely arranged along the up-down direction, wherein the first die is arranged at the lower side and is a lower die 6, the second die is arranged at the upper side and is an upper die 1, as shown in fig. 6, the middle die 3 comprises a middle die base 14 and a forming bushing 13 which is penetrated and fixed on the middle die base 14 along the up-down direction, an inner hole of the forming bushing 13 forms a middle die inner cavity 4, and the material strength of the forming bushing 13 is higher than that of the middle die base 14. As shown in fig. 4, the opposite ends of the upper die 1 and the lower die 6 extend into the middle die cavity 4 respectively, and the upper die 1, the lower die 6 and the middle die cavity 4 enclose a forming cavity 11 together, so that the special-shaped insulating sheet 12 can be formed by pressing the upper die 1, the lower die 6 and the middle die cavity 4, meanwhile, the inner hole of the forming bushing 13 with higher material strength is used as the middle die cavity 4 to be matched with the upper die 1 and the lower die 6, the middle die matrix 14 can be produced by using materials with lower material strength, the production cost is reduced, the forming bushing 13 and the middle die matrix 14 are designed separately, and after the forming cavity 11 is worn out after being used for a long time, the production can be continued by only replacing the forming bushing 13 without replacing the whole middle die 3, and the production cost can be further reduced.

In the present embodiment, as shown in fig. 5, 8 and 9, the upper press head 2 and the forming press head 9 are provided at the opposite ends of the upper press die 1 and the lower press die 6, respectively, wherein the forming surface 10 of the forming press head 9 is adapted to the concave surface of the profiled insulating sheet 12 shown in fig. 1 and 2, thereby forming the concave surface of the profiled insulating sheet 12 with the forming press head 9, and the upper press head 2 is planar to form the planar end of the profiled insulating sheet 12 at the time of pressing.

In this embodiment, as shown in fig. 4, the lower die 6 includes an inner die 8 and an outer die 7, wherein the outer die 7 is provided with an inner hole in the up-down direction, the inner die 8 is inserted into the outer die 7 and can slide relatively with the outer die 7, the forming press head 9 is fixedly mounted at the upper end of the inner die 8, the length of the outer die 7 is longer than that of the middle die cavity 4, so that the end of the outer die 7, which is opposite to the forming cavity 11, extends out of the middle die cavity 4, and the end can be conveniently connected with a corresponding power end on a tablet press, the whole operation is simple, and the connection part is arranged outside the middle die cavity 4 to facilitate observation and timely find and remove faults.

In this embodiment, the length of the inner die 8 is greater than that of the outer die 7, so that the ends of the inner die 8 and the outer die 7 connected with the corresponding power ends on the tablet press can be arranged at intervals in the punching direction, thereby being convenient for connection with the tablet press, and meanwhile, the movement of the inner die 8 and the outer die 7 is not easy to interfere during actual operation, so that the reliability is higher.

Through the arrangement, the movement stroke of the second pressing die 6 can be ensured to meet the requirement of pushing the molded special-shaped insulating sheet 12 out of the molding cavity 11, and meanwhile, the inner pressing die 8 and the outer pressing die 7 can separate the molded special-shaped insulating sheet 12 from the molding pressing head 9 through relative movement, so that the demolding is convenient. Simultaneously, the forming press head 9 is arranged on the lower pressing die 6 at the lower side, when demoulding, the special-shaped insulating sheet 12 is ejected out of the forming cavity 11 from top to bottom, the inner pressing die 8 moves downwards so that the forming press head 9 is separated from the special-shaped insulating sheet 12, and in the process, the outer pressing die 7 can support the special-shaped insulating sheet 12 to avoid damage caused by falling of the special-shaped insulating sheet 12 downwards in the demoulding process.

As shown in fig. 8 and 9, in the present embodiment, the forming press head 9 and the inner pressure die 8 are detachably connected in a threaded connection manner, and the diameter of the forming press head 9 is the same as that of the inner pressure die 8, so that when the forming press head is actually used, the forming press head 9 can be replaced to adapt to the production of different special-shaped insulating sheets 12, the universality of the die is improved, the dismounting is convenient through threaded connection, the structure is simple and reliable, and meanwhile, the connecting structure between the forming press head 9 and the inner pressure die 8 can be in the inside through threaded connection, so that the sealing sliding fit between the inner pressure die and the outer pressure die is not affected. And the diameters of the inner die 8 and the outer die 7 are set to be the same, so that the abnormal step surface exists in the special-shaped insulating sheet 12 formed by pressing due to the tiny displacement of the inner die 8 and the outer die 7 in the up-down direction, and the forming effect of the special-shaped insulating sheet 12 is ensured. Of course, in other embodiments, the forming ram 9 and the inner die 8 may be fixedly connected by an interference fit, so long as the two can be guaranteed to be detachable after assembly is completed.

In order to avoid that the resistance is large when the upper pressing die 1 and the middle die cavity 4 are in relative movement due to the fact that the upper pressing die 1 and the middle die cavity 4 are too sealed, the pressing forming action of the special-shaped insulating sheet 12 is difficult to perform, and the special-shaped insulating sheet 12 is difficult to form, in the embodiment, as shown in fig. 7 and 8, the upper pressing die 1 and the middle die cavity 4 are in clearance fit, and the fit clearance between the upper pressing die 1 and the middle die cavity 4 is set to be 0.03mm. Meanwhile, the arrangement can reduce the gap between the upper pressing die 1 and the middle die cavity 4 as much as possible on the basis of ensuring the reliable forming action of the upper pressing die 1, and ensure the pressing effect of the special-shaped insulating sheet 12. In other embodiments, the fit clearance may be set as desired, such as 0.05mm, 0.1mm, etc.

In this embodiment, the outer die 7 and the inner die 8 are in sealing sliding fit, so that the molding effect of the special-shaped insulating sheet 12 is ensured.

In this embodiment, as shown in fig. 6, an annular protrusion 5 is disposed at a middle position of an outer peripheral surface of a middle mold base 14, and during actual installation, the middle mold 3 is clamped and fixedly installed at a corresponding position of a machine body of a tablet press through the annular protrusion 5, so that the middle mold 3 is fixed. In other embodiments, the middle mold 3 can be connected to the corresponding driving end of the machine body, and when the machine body is demolded, the middle mold 3 is driven to move downwards relative to the lower pressing mold 6, so that the molded special-shaped insulating sheet 12 is pushed out of the molding cavity 11.

In this embodiment, the inner walls of the upper press head 2, the forming press head 9 and the middle die cavity 4 are all subjected to wear-resistant treatment, so that the service life of the special-shaped insulating sheet forming die can be prolonged.

The special-shaped insulating sheet tablet press disclosed by the utility model is used in the following process:

firstly, a special-shaped insulating sheet forming die is placed on a base body of a tablet press, then a middle die 3 is clamped and fixed on a machine body by using an annular bulge 5, the upper end of an upper pressing die 1 is connected with a first driving end at the upper end of the machine body, the lower ends of an outer pressing die 7 and an inner pressing die 8 of a lower pressing die 6 are respectively connected with a second driving end and a third driving end, and accordingly the special-shaped insulating sheet forming die and the tablet press are assembled.

The molding cavity 11 is filled with the powder of the special-shaped insulating sheet 12 to be processed, the driving mechanism is started, and the upper pressing die 1 and the lower pressing die 6 move in opposite directions, so that the molding work of the special-shaped insulating sheet 12 is completed.

The upper die 1 is driven to be far away from the forming cavity 11, the lower die 6 moves upwards until the formed special-shaped insulating sheet 12 extends out of the middle die 3, the third driving end is driven to move downwards, the inner die 8 moves downwards, and then the special-shaped insulating sheet 12 is separated from the forming press head 9 under the mutual movement of the inner die 8 and the outer die 7, so that automatic demoulding work is completed. In the whole process, the pressing and the pressing of the special-shaped insulating sheet 12 can be realized by controlling the driving mechanism, so that the automatic production of the special-shaped insulating sheet 12 is realized.

In summary, when the special-shaped insulating sheet tabletting machine of the utility model is used for compacting insulating sheets, the special-shaped insulating sheets 12 can be compacted in the compacting cavity 11 by utilizing the opposite movement of the upper pressing die 1 and the lower pressing die 6, after compacting, the special-shaped insulating sheets 12 can be pushed out of the compacting cavity 11 by the outer pressing die 7 and the inner pressing die 8, the inner pressing die 8 is arranged in the outer pressing die 7 in a penetrating way, and then the special-shaped insulating sheets 12 can be separated from the compacting pressing head 9 after compacting by utilizing the relative movement of the inner pressing die 8 and the outer pressing die 7 after pushing out, and in the whole production process of the special-shaped insulating sheets 12, the outer pressing die 7 is a compacting die for compacting, and takes part in the compacting operation, and takes part in the unloading pushing rod during demoulding, so that the whole demoulding operation is simple, and manual participation is not needed, meanwhile, the next special-shaped insulating sheets 12 can be directly processed and produced after demoulding, the production process is automatic and continuous, and the production efficiency is low due to the complex demoulding process in the compacting of the special-shaped insulating sheets 12 in the tabletting machine in the prior art is solved.

Example 2 of profiled insulating sheet sheeter of the present utility model:

the embodiment provides a first die and a second die with different assembly modes, which are different from embodiment 1 in that in the embodiment, the first die is located at the upper side of the second die, at this time, the first die is an upper die, the second die is a lower die, the upper die comprises an inner die and an outer die, when demolding is performed, the first die moves downwards to release the molded special-shaped insulating sheet from the molding cavity, the inner die moves upwards to release the molding die from the special-shaped insulating sheet, demolding is completed, and a receiving structure for receiving the released special-shaped insulating sheet needs to be arranged below in the process, so that the special-shaped insulating sheet is prevented from falling and damaging.

Example 3 of profiled insulating sheet sheeter of the present utility model:

the embodiment provides a different external pressing mold, which is different from embodiment 1 in that in the embodiment, the length of the external pressing mold is smaller than that of the inner cavity of the middle mold, and after the pressing is finished, the second driving end stretches into the inner cavity of the middle mold to push the special-shaped insulating sheet out of the forming cavity, and the size of the second driving end is required to be not interfered with the inner cavity of the middle mold.

Example 4 of profiled insulating sheet sheeter of the present utility model:

the present embodiment provides a different inner die, differing from embodiment 1 in that in the present embodiment the length of the inner die is less than the length of the outer die, at which time the third drive end extends into the bore of the outer die to connect with the inner die, and the third drive end is sized so as not to interfere with the bore of the outer die, or in other embodiments the length of the inner die may be the same as the length of the outer die, at which time interference of the third drive end with the second drive end is to be avoided.

Example 5 of profiled insulating sheet sheeter of the present utility model:

the present embodiment provides a different connection relationship between the molding press and the internal pressure die, which is different from embodiment 1 in that in the present embodiment, the molding press and the internal pressure die are integrally molded.

Example 6 of profiled insulation sheet sheeter of the present utility model:

the embodiment provides a different middle mold, which is different from embodiment 1 in that in the embodiment, the whole middle mold is made of a material with higher material strength, at this time, a forming bushing is not needed to be arranged, and an inner hole of the middle mold directly forms an inner cavity of the middle mold.

Example 7 of profiled insulating sheet sheeter of the present utility model:

the embodiment provides a forming press head and an inner press mold with different dimensional relationships, which are different from embodiment 1 in that in the embodiment, the diameter size of the forming press head is smaller than that of the inner press mold, and at the moment, when in pressing, the displacement of the inner press mold and the displacement of the outer press mold need to be precisely controlled, so that synchronous movement of the inner press mold and the outer press mold can be ensured, and the rejection rate increase caused by the existence of an unnecessary step surface of a special-shaped insulating sheet after pressing and forming is avoided.

The special-shaped insulating sheet forming die comprises a die body, a die body and a die body, wherein the die body is formed by a die body and a die body, and the die body is formed by a die body and a die body which are arranged in the die body, and: the embodiment of the special-shaped insulating sheet forming die is the same as the special-shaped insulating sheet forming die of the special-shaped insulating sheet pressing machine in the above embodiment, and is not described herein.

The above description is only a preferred embodiment of the present utility model, and the patent protection scope of the present utility model is defined by the claims, and all equivalent structural changes made by the specification and the drawings of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a special-shaped insulating sheet forming die, including well mould (3) and along the relative first moulding-die and the second moulding-die that set up in upper and lower direction, be provided with on well mould (3) along the middle mould inner chamber (4) of upper and lower direction extension, first moulding-die and second moulding-die enclose into shaping chamber (11) jointly with well mould inner chamber (4), a serial communication port, the tip of first moulding-die towards second moulding-die is provided with shaping pressure head (9) that are used for shaping special-shaped insulating sheet (12) concave surface, the motion stroke of first moulding-die satisfies can push out shaping chamber (11) with special-shaped insulating sheet (12) after shaping, first moulding-die includes outer moulding-die (7) and wears to establish interior compression die (8) in outer moulding-die (7), shaping pressure head (9) set up including the tip of moulding-die (8) towards shaping chamber (11), in order to realize breaking away from special-shaped insulating sheet (12) after shaping through the relative motion of interior compression die (8) and outer moulding-die (7).

2. The profiled insulating sheet forming die according to claim 1, characterized in that the forming ram (9) is detachably connected to the inner pressure die (8).

3. The profiled insulating sheet forming die according to claim 2, characterized in that the forming ram (9) is screwed with the inner pressure die (8).

4. A profiled insulating sheet forming die according to any one of claims 1-3, characterized in that the length of the outer die (7) is greater than the length of the intermediate die cavity (4) such that the end of the outer die (7) facing away from the forming cavity (11) is outside the intermediate die cavity (4).

5. The profiled insulating sheet forming die according to claim 4, characterized in that the length of the inner die (8) is greater than the length of the outer die (7) such that the inner die (8) is spaced apart from the end of the outer die (7) facing away from the forming cavity (11) in the stamping direction.

6. A profiled insulating sheet forming die as claimed in any one of claims 1 to 3, wherein the first die and the second die are arranged vertically opposite each other with the first die on the underside.

7. A special-shaped insulating sheet forming die as claimed in any one of claims 1 to 3, wherein the middle die (3) comprises a middle die base body (14) and a forming bushing (13) penetrating and fixed on the middle die base body (14) along the up-down direction, an inner hole of the forming bushing (13) forms the middle die inner cavity (4), and the material strength of the forming bushing (13) is higher than that of the middle die base body (14).

8. A profiled insulating sheet forming die according to any one of claims 1-3, characterized in that the second die is in clearance fit with the intermediate die cavity (4) and the fit clearance is 0.03mm to 0.1mm.

9. A profiled insulating sheet forming die according to any one of claims 1 to 3, characterized in that the diameter of the forming ram (9) corresponds to the diameter of the inner pressure die (8).

10. A profiled insulating sheet sheeting machine comprising a profiled insulating sheet forming die and a drive mechanism for driving the corresponding dies of the profiled insulating sheet forming die to perform relative movement, characterised in that the profiled insulating sheet forming die is a profiled insulating sheet forming die as claimed in any one of claims 1 to 9.