CN221187637U - Lower die assembly and hot pressing device with same - Google Patents

Abstract

The utility model provides a lower die assembly and a hot pressing device with the same, comprising: a lower die body; the positioning part is arranged on the lower die body and is used for being matched with the workpiece in a positioning way; the elastic supporting part is arranged above the lower die body, a positioning hole is formed in the elastic supporting part, and the positioning part is arranged in the positioning hole in a penetrating manner; the elastic supporting part is used for supporting the workpiece, and is provided with an initial state and a compression state which are oppositely arranged, when the elastic supporting part is in the initial state, the top surface height of the positioning part is not higher than the top surface height of the elastic supporting part; when the elastic supporting portion is in a compressed state, the top surface of the positioning portion is higher than that of the elastic supporting portion, so that the positioning portion is matched with the workpiece in a positioning mode. By the technical scheme provided by the utility model, the problem that a hot-press formed workpiece is inconvenient to take off from a lower die assembly after the pressing process in the prior art is finished can be solved.

Description

Lower die assembly and hot pressing device with same

Technical Field

The utility model relates to the technical field of pressing devices, in particular to a lower die assembly and a hot pressing device with the same.

Background

A thermocompression bonding device is an apparatus for bonding a material at high temperature and high pressure. The hot press fit device generally includes an upper die assembly and a lower die assembly that are matched with each other, and the lower die assembly includes a lower die body and a guide post provided on the lower die body. The lower die body is used for placing a workpiece, and the guide column is used for guiding and limiting the workpiece. When the hot pressing treatment is carried out, the upper die assembly moves towards the lower die assembly, and the upper die assembly and the lower die assembly are matched with the workpiece to carry out pressing treatment.

However, when the guide post guides and limits the workpiece, the guide post needs to be penetrated on the workpiece. When the workpiece is required to be taken down after the pressing process is finished, the situation that the positioning part interferes with the workpiece possibly occurs, and the workpiece formed by hot pressing is inconvenient to take down from the lower die assembly.

Disclosure of utility model

The utility model provides a lower die assembly and a hot-pressing device with the same, which are used for solving the problem that a hot-pressing workpiece is inconvenient to take off from the lower die assembly after a pressing process in the prior art is finished.

According to one aspect of the present utility model, there is provided a lower die assembly comprising: a lower die body; the positioning part is arranged on the lower die body and is used for being matched with the workpiece in a positioning way; the elastic supporting part is arranged above the lower die body, a positioning hole is formed in the elastic supporting part, and the positioning part is arranged in the positioning hole in a penetrating manner; the elastic supporting part is used for supporting the workpiece, and is provided with an initial state and a compression state which are oppositely arranged, when the elastic supporting part is in the initial state, the top surface height of the positioning part is not higher than the top surface height of the elastic supporting part; when the elastic supporting portion is in a compressed state, the top surface of the positioning portion is higher than that of the elastic supporting portion, so that the positioning portion is matched with the workpiece in a positioning mode.

Further, the lower die assembly further includes: the pressing assembly is arranged on the lower die body, and can apply acting force towards the lower die body to the elastic supporting portion, so that the elastic supporting portion is switched from an initial state to a compression state.

Further, the pressing assembly includes: the fixing part is arranged on the lower die body and is positioned outside the elastic supporting part; the pressing part is provided with a connecting end and a pressing end which are oppositely arranged, the connecting end is rotatably arranged on the fixing part, and the pressing end is used for pressing the edge of the elastic supporting part; the locking part is arranged between the fixing part and the pressing part and is used for fixing the relative position between the fixing part and the pressing part.

Further, the pressing assembly is provided in plurality, and a plurality of pressing assemblies are arranged at intervals along the circumferential direction of the elastic supporting portion.

Further, the elastic support portion has a support region, the positioning portion is located in the support region, and the lower die assembly further includes: the pressing plate is arranged above the elastic supporting part and is positioned outside the supporting area, the distance between the pressing plate and the lower die body is adjustable, and the pressing assembly applies acting force towards the lower die body to the elastic supporting part through the pressing plate.

Further, the pressure plate is annularly arranged outside the support area along the circumferential direction of the support area.

Further, the lower die assembly further includes: the guide structure is arranged between the pressing plate and the lower die body and is used for guiding the lifting of the pressing plate.

Further, the guide structure includes: the guide part is arranged on the lower die body; the guide hole is arranged on the pressing plate, and the guide part penetrates through the guide hole and is matched with the guide hole in a guide way.

According to another aspect of the present utility model, there is provided a thermocompression bonding device, comprising: the lower die assembly; the upper die assembly is positioned above the lower die assembly, the distance between the upper die assembly and the lower die assembly is adjustable, and the upper die assembly is used for being matched with the lower die assembly to press the workpiece placed on the lower die assembly.

Further, the upper die assembly includes: an upper die body; the buffer cushion is arranged on the lower surface of the upper die body, and one end, far away from the lower die body, of the positioning part is used for being abutted with the buffer cushion.

By adopting the technical scheme, the elastic supporting part is arranged, so that the pressed workpiece can be conveniently taken down, the possibility that the workpiece is damaged by the positioning part is reduced, and the efficiency of taking down the workpiece is improved. Specifically, before the lamination process, the elastic supporting part is in a compressed state, and one end of the positioning part far away from the lower die body protrudes out of the upper surface of the elastic supporting part; placing the workpiece on the top surface of the elastic supporting part, and enabling the positioning part to be matched with the workpiece in a positioning way; then, pressing the workpiece through an upper die assembly matched with the lower die assembly; after the pressing is finished, the upper die assembly is removed, so that the elastic supporting portion is in an initial state, at the moment, one end, far away from the lower die body, of the positioning portion is located in a positioning hole of the elastic supporting portion, the positioning portion is completely separated from the workpiece, and the workpiece is taken down. Compared with the traditional technical scheme, the elastic supporting part can improve the efficiency of taking down the workpiece, and can avoid the situation that the positioning part damages the workpiece when the workpiece is taken down.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 shows a schematic diagram of a lower die assembly provided by the present utility model;

FIG. 2 shows a top view of the lower die assembly provided by the present utility model;

FIG. 3 is a partial cross-sectional view of the lower die assembly provided by the present utility model;

FIG. 4 is a schematic view showing the cooperation of the lower die assembly and the workpiece;

Fig. 5 shows a schematic structural diagram of the hot pressing device provided by the present invention;

fig. 6 shows a partial schematic structure at a in fig. 5.

Wherein the above figures include the following reference numerals:

10. A lower die body;

20. a positioning part;

30. an elastic support part;

40. a pressing assembly;

41. A fixing part; 42. a pressing part;

50. A pressing plate;

60. an upper die assembly;

61. an upper die body; 62. a cushion pad;

01. A workpiece.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 6, an embodiment of the present utility model provides a lower die assembly including a lower die body 10, a positioning portion 20, and an elastic supporting portion 30. Wherein, the location portion 20 is arranged on the lower die body 10, and the location portion 20 is used for being matched with the workpiece 01 in a locating way. The elastic supporting portion 30 is disposed above the lower die body 10, a positioning hole is disposed on the elastic supporting portion 30, and the positioning portion 20 is disposed in the positioning hole in a penetrating manner. Wherein the elastic supporting portion 30 is used for supporting the workpiece 01, the elastic supporting portion 30 has an initial state and a compressed state which are oppositely arranged, and when the elastic supporting portion 30 is in the initial state, the top surface height of the positioning portion 20 is not higher than the top surface height of the elastic supporting portion 30; when the elastic supporting portion 30 is in a compressed state, the top surface of the positioning portion 20 is higher than the top surface of the elastic supporting portion 30, so that the positioning portion 20 is in positioning engagement with the workpiece 01.

By adopting the technical scheme of the utility model, the elastic supporting part 30 is arranged, so that the pressed workpiece 01 can be conveniently taken down, the possibility that the workpiece 01 is damaged by the positioning part 20 is reduced, and the efficiency of taking down the workpiece 01 is improved. Specifically, before the lamination process, the elastic support portion 30 is in a compressed state, and one end of the positioning portion 20, which is far away from the lower die body 10, protrudes from the upper surface of the elastic support portion 30; placing the work 01 on the top surface of the elastic support portion 30, and positioning the positioning portion 20 in positioning engagement with the work 01; then, the work 01 is pressed by the upper die assembly 60 mated with the lower die assembly; after the pressing is finished, the upper die assembly 60 is removed, so that the elastic supporting portion 30 is in an initial state, at this time, one end of the positioning portion 20, which is far away from the lower die body 10, is located in the positioning hole of the elastic supporting portion 30, and the positioning portion 20 is completely separated from the workpiece 01, so that the workpiece 01 is removed. Compared with the traditional technical scheme, the elastic supporting part 30 can improve the efficiency of removing the workpiece 01, and can avoid the situation that the positioning part 20 damages the workpiece 01 when the workpiece 01 is removed. Moreover, the setting of this scheme, its simple structure, and the convenience of operation is stronger.

The specific structure of the elastic supporting portion 30 is not limited in this embodiment, and it is sufficient to have an elastic material that is compressible by not less than 50%. In this embodiment, the elastic supporting portion 30 is an elastic supporting pad.

As shown in fig. 1 to 3, specifically, the lower die body 10 has a substantially rectangular plate-like structure, and the positioning portion 20 is a positioning column vertically provided on the top surface of the lower die body 10.

Wherein, the reference column is provided with a plurality of columns, and a plurality of columns are arranged along the width direction interval distribution of the lower die body 10, and each column is provided with a plurality of columns along the length direction interval of the lower die body 10. This arrangement can provide a positioning effect on the work and the elastic support portion 30.

Further, the lower die assembly further includes a pressing assembly 40. The pressing assembly 40 is disposed on the lower die body 10, and the pressing assembly 40 can apply a force to the elastic support portion 30 toward the lower die body 10, so that the elastic support portion 30 is switched from an initial state to a compressed state. The pressing unit 40 is provided to improve the smoothness and convenience of pressing the elastic support portion 30.

The specific form of the pressing assembly 40 is not limited in this embodiment, as long as the elastic supporting portion 30 can be switched between the initial state and the compressed state.

In the present embodiment, the pressing assembly 40 includes a fixing portion 41, a pressing portion 42, and a locking portion. Wherein, the fixing portion 41 is disposed on the lower die body 10, and the fixing portion 41 is located outside the elastic supporting portion 30. The pressing portion 42 has a connecting end and a pressing end which are oppositely disposed, the connecting end being rotatably disposed on the fixing portion 41, the pressing end being for pressing the edge of the elastic supporting portion 30. The locking portion is provided between the fixing portion 41 and the pressing portion 42, and is used for fixing the relative position between the fixing portion 41 and the pressing portion 42. Above-mentioned setting, its simple structure, and the convenience of operation is stronger.

The fixing portion 41 is provided outside the elastic support portion 30, and the pressing end is used for pressing the edge of the elastic support portion 30, so that the interference between the pressing assembly 40 and the workpiece 01 can be reduced or avoided. Further, the pressing member 40 can be prevented from affecting the pressing operation of the upper die member 60 on the work 01.

In this embodiment, the fixing portion 41 is a fixing plate, the pressing portion 42 includes a rotating rod and a pressing head that are connected perpendicularly to each other, one end of the rotating rod, which is far away from the pressing head, is hinged to the fixing plate, and an axis direction of the hinge shaft is a horizontal direction. When the pressing assembly 40 presses the elastic supporting portion 30, the rotating rod is in a horizontal state, and the pressing head is located below the rotating rod and presses the elastic supporting portion 30.

The specific form of the locking portion is not limited in this embodiment, and it is only necessary to connect the pressing portion 42 of the fixing portion 41. In particular in the form of fasteners.

Further, the plurality of pressing assemblies 40 are provided, and the plurality of pressing assemblies 40 are disposed at intervals along the circumferential direction of the elastic supporting portion 30. By the arrangement, the uniformity of the acting force applied to the elastic support portion 30 can be ensured as much as possible, the consistency of compression of the elastic support portion 30 at each position is improved, and the positioning portion 20 exposes the elastic support portion 30 as much as possible and is matched with the workpiece 01 in a positioning manner when the elastic support portion 30 is in a compressed state.

As shown in fig. 1 to 4, in this embodiment, the elastic supporting portion 30 has a supporting area, and the positioning portion 20 is located in the supporting area. The lower die assembly further comprises a pressing plate 50, the pressing plate 50 is arranged above the elastic supporting portion 30 and is located outside the supporting area, the distance between the pressing plate 50 and the lower die body 10 is adjustable, and the pressing assembly 40 applies acting force to the elastic supporting portion 30 towards the lower die body 10 through the pressing plate 50. The contact area between the pressing plate 50 and the elastic supporting portion 30 is large, the pressing assembly 40 applies an acting force to the elastic supporting portion 30 through the pressing plate 50, so that stability and consistency of the acting force applied to the elastic supporting portion 30 by the pressing assembly 40 can be further improved, stability of the elastic supporting portion 30 in the initial state when the elastic supporting portion 30 is switched to the compressed state is improved, and positioning effect of the positioning portion 20 on the workpiece 01 is improved.

Further, the pressing plate 50 is disposed outside the support region in a circumferential ring shape of the support region. By the arrangement, the consistency of the stress at each position of the elastic support portion 30 can be further improved, and the stability of the elastic support portion 30 when the initial state is switched to the compressed state is further improved, so that the positioning effect of the positioning portion 20 on the workpiece 01 is improved.

In the present embodiment, the pressing plate 50 is disposed on the upper surface of the elastic supporting portion 30, and the outer contour of the pressing plate 50 is the same as the outer contour of the elastic supporting portion 30.

In this embodiment, the pressing plate 50 is in the form of two-layered steel plates connected to each other.

Further, the lower die assembly further includes a guide structure disposed between the pressing plate 50 and the lower die body 10, the guide structure being for guiding the lifting of the pressing plate 50. The guide structure can avoid dislocation between the pressing plate 50 and the elastic support portion 30, and improve the stability of the pressing assembly 40 pressing the elastic support portion 30 through the pressing plate 50.

Specifically, the guide structure includes a guide portion and a guide hole. The guide portion is provided on the lower die body 10, and the guide portion is located outside the support region. The guide hole is formed in the pressing plate 50, and the guide part is penetrated through the guide hole and is matched with the guide hole in a guide way. The guide part and the guide hole are arranged, so that the structure is simple, and the processing and the forming are convenient. In this embodiment, the guide portion is a guide post.

As shown in fig. 1 to 6, the present utility model further provides a thermocompression bonding device, which includes the lower die assembly and the upper die assembly 60. The upper die assembly 60 is located above the lower die assembly, the space between the upper die assembly 60 and the lower die assembly is adjustable, and the upper die assembly 60 is used for being matched with the lower die assembly to press the workpiece 01 placed on the lower die assembly.

Specifically, the upper die assembly is disposed corresponding to the supporting region of the elastic supporting portion 30, so that the upper die assembly 60 and the pressing plate 50 and the pressing assembly 40 can be prevented from interfering with each other.

Further, the upper die assembly 60 includes an upper die body 61 and a cushion 62. The cushion pad 62 is disposed on the lower surface of the upper die body 61, and one end of the positioning portion 20 away from the lower die body 10 is configured to abut against the cushion pad 62. The cushion pad 62 is in flexible contact with the positioning portion 20, and can buffer the positioning portion 20, thereby reducing the damage to the positioning portion 20.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A lower die assembly, the lower die assembly comprising:

A lower die body (10);

the positioning part (20) is arranged on the lower die body (10), and the positioning part (20) is used for being matched with a workpiece (01) in a positioning way;

The elastic supporting part (30) is arranged above the lower die body (10), a positioning hole is formed in the elastic supporting part (30), and the positioning part (20) is arranged in the positioning hole in a penetrating mode;

The elastic supporting part (30) is used for supporting a workpiece (01), the elastic supporting part (30) is provided with an initial state and a compression state which are oppositely arranged, and when the elastic supporting part (30) is in the initial state, the top surface height of the positioning part (20) is not higher than the top surface height of the elastic supporting part (30); when the elastic supporting portion (30) is in the compressed state, the top surface of the positioning portion (20) is higher than the top surface of the elastic supporting portion (30), so that the positioning portion (20) is matched with the workpiece (01) in a positioning mode.

2. The lower die assembly of claim 1, further comprising:

And a pressing assembly (40) disposed on the lower die body (10), wherein the pressing assembly (40) can apply a force to the elastic support portion (30) toward the lower die body (10) so as to switch the elastic support portion (30) from the initial state to the compressed state.

3. The lower die assembly of claim 2, wherein the pressing assembly (40) comprises:

a fixing portion (41) provided on the lower die body (10), the fixing portion (41) being located outside the elastic supporting portion (30);

A pressing part (42) having a connecting end and a pressing end which are oppositely arranged, wherein the connecting end is rotatably arranged on the fixing part (41), and the pressing end is used for pressing the edge of the elastic supporting part (30);

And a locking part which is arranged between the fixing part (41) and the pressing part (42) and is used for fixing the relative position between the fixing part (41) and the pressing part (42).

4. A lower die assembly according to claim 3, wherein a plurality of the pressing assemblies (40) are provided, and a plurality of the pressing assemblies (40) are disposed at intervals along the circumferential direction of the elastic supporting portion (30).

5. The lower die assembly of claim 2, wherein the resilient support (30) has a support region, the locating portion (20) being located within the support region, the lower die assembly further comprising:

The pressing plate (50) is arranged above the elastic supporting portion (30) and is positioned outside the supporting area, the distance between the pressing plate (50) and the lower die body (10) is adjustable, and the pressing assembly (40) applies acting force towards the lower die body (10) to the elastic supporting portion (30) through the pressing plate (50).

6. The lower die assembly of claim 5, wherein the platen (50) is annularly disposed outside the support region along a circumference of the support region.

7. The lower die assembly of claim 5, further comprising:

The guide structure is arranged between the pressing plate (50) and the lower die body (10) and is used for guiding lifting of the pressing plate (50).

8. The lower die assembly of claim 7, wherein the guide structure comprises:

A guide part arranged on the lower die body (10);

The guide hole is arranged on the pressing plate (50), and the guide part penetrates through the guide hole and is matched with the guide hole in a guide way.

9. A thermocompression bonding device, characterized by comprising:

The lower die assembly of any one of claims 1 to 8;

the upper die assembly (60) is positioned above the lower die assembly, the distance between the upper die assembly (60) and the lower die assembly is adjustable, and the upper die assembly (60) is used for being matched with the lower die assembly to press the workpiece (01) placed on the lower die assembly.

10. The hot press bonding apparatus according to claim 9, wherein the upper die assembly (60) comprises:

an upper die body (61);

And a cushion pad (62) arranged on the lower surface of the upper die body (61), wherein one end of the positioning part (20) of the lower die assembly, which is far away from the lower die body (10) of the lower die assembly, is used for being abutted with the cushion pad (62).