CN221021755U - Dot matrix mesh stamping device - Google Patents

Abstract

The utility model relates to the technical field of graphite sheet processing, and particularly discloses a dot matrix mesh stamping device which comprises a supporting mechanism and a stamping mechanism, wherein the stamping mechanism is arranged on the supporting mechanism and is used for processing graphite sheets at different hole sites; the stamping mechanism comprises a lower die assembly, an upper die assembly is arranged on the upper side of the lower die assembly, the upper end of the upper die assembly is connected with a hydraulic cylinder, the lower die assembly comprises a lower die, a limiting table is arranged on the upper end face of the lower die, and guide holes are formed in the periphery of the lower die; the upper die assembly comprises an upper die, and a guide post corresponding to the guide hole is arranged at the lower end of the upper die. According to the utility model, through the arrangement of the lower die assembly and the upper die assembly of the stamping mechanism, the punch is placed in a proper through hole of the upper die, then the pressing plate is used for pressing and fixing the punch, the whole upper die assembly is pressed down through the hydraulic cylinder, the prepressing assembly is used for pressing and holding the graphite sheets on the lower side, and then the lower punching is continued, so that the whole graphite sheets with different specifications are conveniently punched, and the production cost is reduced.

Description

Dot matrix mesh stamping device

Technical Field

The utility model relates to the technical field of graphite sheet processing, in particular to a dot matrix mesh stamping device.

Background

The graphite flake is a brand new heat conduction and dissipation material, uniformly conducts heat along two directions, shields heat sources and components and improves the performance of consumer electronic products; with the acceleration of upgrading and upgrading of electronic products and the increasing heat dissipation management demands of mini, high-integration and high-performance electronic devices. The processing of avoiding holes is needed to be carried out on the graphite sheets in the graphite sheet processing process, the current hole site processing is mainly carried out through punching and forming by corresponding dies, however, the hole site processing positions on the graphite sheets of different models are different, and a plurality of sets of dies are needed to be prepared for production, so that the production cost is increased.

Disclosure of Invention

The present utility model has been made to solve the above-mentioned problems, and an object of the present utility model is to provide a lattice type mesh punching apparatus.

The utility model realizes the above purpose through the following technical scheme:

The lattice mesh stamping device comprises a supporting mechanism and a stamping mechanism arranged on the supporting mechanism and used for processing graphite sheets at different hole sites; the stamping mechanism comprises a lower die assembly, an upper die assembly is arranged on the upper side of the lower die assembly, the upper end of the upper die assembly is connected with a hydraulic cylinder, the lower die assembly comprises a lower die, a limiting table is arranged on the upper end face of the lower die, and guide holes are formed in the periphery of the lower die; the upper die assembly comprises an upper die, a guide post corresponding to the guide hole is arranged at the lower end of the upper die, a pre-pressing assembly is arranged on the upper die, a through groove is formed in the upper die, a pressing plate is arranged in the through groove in a penetrating mode, a through hole is correspondingly formed in the upper die and the lower die, and a punch is arranged in the through hole of the upper die.

Further set up: the pre-compaction subassembly is including passing the smooth post of last mould, smooth post lower extreme is connected with presses the frame, be located on the smooth post external diameter press the frame upside cover to be equipped with the spring.

Further set up: the lower die is provided with supporting rollers positioned on two sides of the limiting table, and the upper tangential surface of each supporting roller is flush with the top surface of the limiting table.

Further set up: the support roller is rotatably connected with the lower die.

Further set up: the sliding column is in sliding connection with the upper die, the pressing plate is in interference connection with the upper die, and the lower end face of the pressing plate is in contact with the upper end of the punch.

Further set up: the lower end of the punch is provided with a blind hole, and the inner edge of the blind hole is provided with a cutting edge.

Further set up: the inner lower end of the punch is slidably provided with an elastic piece, the upper end of the elastic piece is connected with a pressure spring, and the elastic piece is in a natural state flush with the lower end of the punch.

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

Through the lower die assembly of stamping mechanism, go up the setting of die assembly, place the drift in last suitable through-hole of mould, then make the clamp plate extrude fixedly to the drift, wholly push down last die assembly through the pneumatic cylinder, make the pre-compaction subassembly hold the graphite flake of downside, then continue to punch a hole downwards, make wholly be convenient for carry out the processing of punching a hole to the graphite flake of different specifications, reduced manufacturing cost.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is an isometric view of a lattice type mesh stamping device according to the present utility model;

FIG. 2 is a schematic diagram of a front view of a lattice type mesh punching device according to the present utility model;

FIG. 3 is a schematic structural view of a stamping mechanism of a lattice type mesh stamping device according to the present utility model;

FIG. 4 is a schematic view showing the structure of a press plate of a press mechanism of a lattice type mesh press device according to the present utility model in a state of being pulled out;

Fig. 5 is a schematic view showing a partial cross-sectional structure of a punching mechanism of a lattice type mesh punching device according to the present utility model.

The reference numerals are explained as follows:

1. A support mechanism; 11. a base; 12. a frame body; 2. a punching mechanism; 21. a lower die assembly; 211. a lower die; 212. a limiting table; 213. a guide hole; 214. a support roller; 22. an upper die assembly; 221. an upper die; 222. a guide post; 223. a spool; 224. pressing a frame; 225. a spring; 226. a pressing plate; 227. a punch; 23. and a hydraulic cylinder.

Description of the embodiments

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model is further described below with reference to the accompanying drawings:

As shown in fig. 1-5, a lattice mesh punching device comprises a supporting mechanism 1 and a punching mechanism 2 arranged on the supporting mechanism 1 and used for processing graphite sheets at different hole sites;

In this embodiment: the supporting mechanism 1 comprises a base 11, a frame body 12 is fixed at the upper end of the base 11, and the frame body 12 is used for fixedly supporting a hydraulic cylinder 23.

In this embodiment: the stamping mechanism 2 comprises a lower die assembly 21, an upper die assembly 22 is arranged on the upper side of the lower die assembly 21, a hydraulic cylinder 23 is connected to the upper end of the upper die assembly 22, two hydraulic cylinders 23 are arranged, and the hydraulic cylinder 23 supports the upper die 221 in an up-and-down moving manner;

The lower die assembly 21 comprises a lower die 211, a limiting table 212 is arranged on the upper end surface of the lower die 211, and guide holes 213 are formed in the periphery of the lower die 211; the lower die 211 is provided with support rollers 214 positioned on two sides of the limiting table 212, and the upper tangential plane of the support rollers 214 is level with the top surface of the limiting table 212; the support roller 214 is rotatably connected to the lower die 211, and the support roller 214 supports the moving graphite sheet.

The upper die assembly 22 comprises an upper die 221, a guide post 222 corresponding to the guide hole 213 is arranged at the lower end of the upper die 221, a pre-pressing assembly is arranged on the upper die 221, a through groove is formed in the upper die 221, a pressing plate 226 is arranged in the through groove in a penetrating manner, through holes are correspondingly formed in the upper die 221 and the lower die 211, and a punch 227 is arranged in the through hole of the upper die 221; the pre-pressing assembly comprises a sliding column 223 penetrating through an upper die 221, a pressing frame 224 is connected to the lower end of the sliding column 223, a spring 225 is sleeved on the outer diameter of the sliding column 223 and positioned on the upper side of the pressing frame 224, and when the upper die 221 moves downwards, the pressing frame 224 is in contact with a graphite sheet for limiting; the slide column 223 is in sliding connection with the upper die 221, the pressing plate 226 is in interference connection with the upper die 221, the lower end face of the pressing plate 226 is in contact with the upper end of the punch 227, so that the pressing plate 226 is conveniently pulled out, and the position of the punch 227 is adjusted and replaced; the lower end of the punch 227 is provided with a blind hole, and the inner edge of the blind hole is provided with a cutting edge; the lower extreme slides in the drift 227 is provided with the shell fragment, and the shell fragment upper end is connected with the pressure spring, and this shell fragment is parallel and level with drift 227 lower extreme under the natural state, makes drift 227 after punching a hole to the graphite flake, and the shell fragment ejects drift 227 to blanking waste.

The working principle and the use flow of the utility model are as follows: when the graphite sheet moves to the limit table 212 of the lower die 211, the upper die assembly 22 is pushed to move downwards integrally by the extension of the hydraulic cylinder 23, the upper die 221 is inserted into the guide hole 213 through the guide post 222 to carry out limit guide, the press frame 224 is firstly contacted with the graphite sheet at the lower side to position the graphite sheet, and when the upper die 221 moves downwards continuously, the punch 227 punches and cuts the limited graphite sheet; when the position of the punch 227 needs to be adjusted, the pressing plate 226 is pulled out, and the position of the punch 227 at the through hole of the upper die 221 is adjusted, so that the upper die 221 can adapt to punching processing of graphite sheets with different specifications.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (7)

1. Dot matrix mesh stamping device, including supporting mechanism (1), its characterized in that: the device also comprises a stamping mechanism (2) which is arranged on the supporting mechanism (1) and is used for processing graphite sheets at different hole sites; the stamping mechanism (2) comprises a lower die assembly (21), an upper die assembly (22) is arranged on the upper side of the lower die assembly (21), a hydraulic cylinder (23) is connected to the upper end of the upper die assembly (22), the lower die assembly (21) comprises a lower die (211), a limiting table (212) is arranged on the upper end face of the lower die (211), and guide holes (213) are formed in the periphery of the lower die (211); the upper die assembly (22) comprises an upper die (221), a guide pillar (222) corresponding to the guide hole (213) is arranged at the lower end of the upper die (221), a pre-pressing assembly is arranged on the upper die (221), a through groove is formed in the upper die (221), a pressing plate (226) is arranged in the through groove in a penetrating mode, a through hole is correspondingly formed in the upper die (221) and the lower die (211), and a punch (227) is arranged in the through hole of the upper die (221).

2. A lattice type mesh punching apparatus according to claim 1, characterized in that: the pre-pressing assembly comprises a sliding column (223) penetrating through the upper die (221), a pressing frame (224) is connected to the lower end of the sliding column (223), and a spring (225) is sleeved on the outer diameter of the sliding column (223) and located on the upper side of the pressing frame (224).

3. A lattice type mesh punching apparatus according to claim 1, characterized in that: and supporting rollers (214) are arranged on the lower die (211) and positioned on two sides of the limiting table (212), and the upper tangential surface of each supporting roller (214) is flush with the top surface of the limiting table (212).

4. A lattice type mesh punching apparatus according to claim 3, characterized in that: the support roller (214) is rotatably connected with the lower die (211).

5. A lattice type mesh punching apparatus according to claim 2, characterized in that: the sliding column (223) is in sliding connection with the upper die (221), the pressing plate (226) is in interference connection with the upper die (221), and the lower end face of the pressing plate (226) is in contact with the upper end face of the punch (227).

6. A lattice type mesh punching apparatus according to claim 1, characterized in that: the lower end of the punch (227) is provided with a blind hole, and the inner edge of the blind hole is provided with a cutting edge.

7. A lattice type mesh punching apparatus as claimed in claim 6, wherein: the punch (227) is provided with a spring piece in a sliding manner at the lower end, the upper end of the spring piece is connected with a pressure spring, and the spring piece is in a natural state flush with the lower end of the punch (227).