CN217021178U

CN217021178U - High-precision hot-pressing equipment

Info

Publication number: CN217021178U
Application number: CN202220237116.7U
Authority: CN
Inventors: 雷臻
Original assignee: Shenzhen Ruide Intelligent Equipment Co ltd
Current assignee: Shenzhen Ruide Intelligent Equipment Co ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-07-22
Anticipated expiration: 2032-01-28

Abstract

The utility model relates to high-precision hot-pressing equipment which comprises a driving mechanism, a transmission mechanism, a pressure sensing assembly, a pressure buffering assembly and a die mechanism, wherein the pressure sensing assembly comprises an upper fixing plate, a pressure sensor and a lower fixing plate, the driving mechanism is provided with a pressure output shaft, the upper fixing plate is connected with the transmission mechanism on the axis of the pressure output shaft, a fixing base is arranged below the lower fixing plate, the pressure buffering assembly is arranged between the fixing base and the die mechanism to smooth the pressure of the die mechanism to act on a workpiece to be pressed, the die mechanism comprises a die clamp, an upper die assembly and a lower die assembly, a through hole is formed in the upper die assembly, an elastic buffering piece is arranged in the through hole, and a pressing die head is flatly pressed on the workpiece under the action of the elastic buffering piece. The structural design can reduce the interference of external force factors, provide a constant pressure environment for products, and reduce the calibration times and the production efficiency.

Description

High-precision hot-pressing equipment

Technical Field

The utility model relates to the technical field of hot-pressing equipment, in particular to high-precision hot-pressing equipment.

Background

The hot press forming is a simple and common processing method in the plastic processing industry, and is mainly characterized by that after the mould is heated, the sample is injected, and the mould is fixed on the heating plate by means of pressure, and the melting temperature and time of the sample are controlled so as to make the sample be melted, hardened and cooled, and then the finished product of the mould can be taken out.

In the existing hot pressing equipment, due to the fact that the structure of the hot pressing equipment is different, the pressure sensor is influenced by a plurality of external force factors, a constant pressure environment is difficult to provide, multiple times of calibration is needed, the quality of a product is influenced, and the production efficiency is reduced. Meanwhile, the requirements of some products on the flatness are higher, so that the requirements on hot-pressing equipment are higher and higher.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a high-precision hot-pressing apparatus capable of improving the pressure environment and adjusting the flatness of the product.

The utility model provides a high accuracy hot press device, includes actuating mechanism, drive mechanism, pressure sensing subassembly, pressure buffering subassembly and die mechanism, the pressure sensing subassembly includes an upper fixed plate, pressure sensor and bottom plate, actuating mechanism has pressure output shaft, an upper fixed plate with drive mechanism is in connect on pressure output shaft's the axis, be provided with unable adjustment base below the bottom plate, the pressure buffering subassembly sets up unable adjustment base with treat to press the work piece with the pressure through gentle die mechanism between the die mechanism in order to act on, die mechanism includes mould holder, goes up die assembly and lower die assembly, upward establish the through-hole in the die assembly, the through-hole is installed flexible bolster, through flexible bolster's effect makes the automatic level and smooth pressure application of die head of exerting pressure on the work piece.

Furthermore, the transmission mechanism comprises a shaft seat and an adapter plate, wherein the shaft seat is connected with the pressure output shaft, and the shaft seat is provided with a shaft hole for connecting the shaft seat connected with the pressure output shaft.

Furthermore, the upper surface of the upper fixing plate is provided with a mounting hole, the adapter plate of the transmission mechanism is fixed in the mounting hole through a fastener, and the upper fixing plate and the adapter plate are assembled into a whole in a stacking manner.

Furthermore, a plurality of round holes are formed around the upper fixing plate, the pressure sensor and the lower fixing plate, the upper fixing plate, the pressure sensor and the lower fixing plate are fixed together through fasteners, a plurality of round holes connected with the fixing base are further formed around the lower fixing plate, and the lower fixing plate is installed on the fixing base through fasteners.

Further, the pressure sensor is provided with a pressure sensing probe located between the upper fixing plate and the lower fixing plate, the axis of the pressure sensing probe is collinear with the axis of the pressure output shaft, and the pressure of the pressure sensor is controlled to be accurate to 1N.

Furthermore, the fixed base is symmetrically provided with a plurality of limiting guide pillars, each limiting guide pillar correspondingly penetrates through one guide pillar hole, and the guide pillar holes are arranged on one support.

Furthermore, the pressure buffering assembly comprises a plurality of fixing pieces and a plurality of springs, a plurality of spring holes are correspondingly formed in the upper surface of the die clamp, the bottom end of each spring is respectively installed in the corresponding spring hole, and the top end of each spring is installed on the fixing base through each fixing piece.

Further, the lower surface of the die clamp is provided with a mounting groove, and the upper die assembly is mounted below the die clamp through the mounting groove.

Further, go up the mould subassembly and still include and push down the module, die head, springiness cushioning spare and mounting exert pressure, be equipped with the through-hole in the middle of pushing down the module, springiness cushioning spare is installed in the through-hole, springiness cushioning spare top is connected the mounting, the die head of exerting pressure is connected to the bottom, through springiness cushioning spare's effect makes the die head of exerting pressure automatically to exert pressure smoothly on the work piece.

Further, the lower die assembly comprises a base and a lower die, the lower die is installed on the base, and a groove is formed in the middle of the lower die assembly and used for placing a workpiece to be machined.

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

the device is reasonable in structural design and high in practicability, when the device works, the programmable controller (plc) is adopted for control, the pressure sensor is arranged at the lower end of the transmission mechanism, the pressure sensing probe is collinear with a pressure output shaft of the driving mechanism, and the pressure sensor is used as a central stress point, so that the interference of external force factors is reduced, the calibration times are reduced, and the production efficiency is improved. Simultaneously, the last module of mould mechanism still is provided with the elastic buffer of adjustment product roughness to the quality of the production product of guaranteeing more.

Drawings

Fig. 1 is a schematic structural diagram of a high-precision hot-pressing device according to an embodiment of the present invention.

Fig. 2 is an exploded view of the periphery of the pressure sensor of the high-precision hot-pressing device according to the embodiment of the utility model.

Fig. 3 is an exploded schematic view of an upper die assembly of the high-precision hot-pressing apparatus according to the embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments and the accompanying drawings.

Referring to fig. 1 to 3, a high-precision hot-pressing apparatus 100 according to an embodiment of the present invention is shown, including a driving mechanism 10, a transmission mechanism 20, a pressure sensing assembly 30, a pressure buffering assembly 40, and a mold mechanism 50, where the pressure sensing assembly 30 includes an upper fixing plate 31, a pressure sensor 32, and a lower fixing plate 33, the driving mechanism 10 has a pressure output shaft, the upper fixing plate 31 is connected to the transmission mechanism 20 on an axis of the pressure output shaft, a fixing base 62 is disposed below the lower fixing plate 33, the pressure buffering assembly 40 is disposed between the fixing base 62 and the mold mechanism 50 to smooth a pressure of the mold mechanism 50 to act on a workpiece to be pressed, the mold mechanism 50 includes a mold clamp 51, an upper mold assembly 52, and a lower mold buffering assembly 53, a through hole is disposed in the upper mold assembly 52, and an elastic 523 is disposed in the through hole, the upper die assembly 52 is automatically pressed flatly against the workpiece by the action of the elastic buffer 523.

Specifically, the transmission mechanism 20 includes a shaft seat 21 and an adapter plate 22, the shaft seat 21 and the adapter plate 22 have shaft holes, the shaft seat 21 and the adapter plate 22 are respectively connected with the pressure output shaft of the driving mechanism 10 through the shaft holes, the upper surface of the upper fixing plate 31 is provided with a mounting hole, the adapter plate 22 is fixedly mounted on the mounting hole of the upper fixing plate 31 through a fixing member 63, the upper fixing plate 31 and the adapter plate 22 are assembled into a whole in a stacking manner, the lower surface of the upper fixing plate 31 is provided with a round hole, the upper surface of the pressure sensor 32 is also provided with a round hole correspondingly, the pressure sensor 32 is mounted on the lower surface of the upper fixing plate 31 through mounting the round hole, the lower surface of the pressure sensor 32 is also provided with a round hole correspondingly, the lower fixing plate 33 is provided with a corresponding round hole, and through mounting the fixing member in the round hole, the lower fixing plate 33 is installed on the lower surface of the pressure sensor 32, and meanwhile, the lower fixing plate 33 is further provided with round holes for installing on the fixing base 62, and the round holes are respectively installed by using fixing members, the pressure sensor 32 has a pressure sensing probe 32a located between the upper fixing plate 31 and the lower fixing plate 33, the axis of the pressure sensing probe 32a is collinear with the axis of a pressure output shaft, so that the pressure sensor 32 can linearly receive the pressure applied by the transmission mechanism 20, and the pressure control of the pressure sensor 32 can be accurate to 1N.

Specifically, the pressure buffering assembly 40 includes a plurality of fixing members 41 and a plurality of springs 42, a plurality of spring holes are correspondingly formed in an upper surface of the mold clamp 51, a bottom end of each spring 42 is respectively mounted in the spring hole, a top end of each spring 42 is mounted on the fixed base 62 through the fixing member 41, the fixing members 41 are respectively connected to the fixed base 62 through an adapter plate in a stacked manner, the fixed base 62 is symmetrically provided with a plurality of limiting guide pillars 61, each limiting guide pillar 61 correspondingly penetrates through one guide pillar hole, and the guide pillar holes are mounted on one support.

Specifically, the lower surface of the mold fixture 51 is provided with an installation groove, the upper mold assembly 52 is installed below the mold fixture 51 through the installation groove, the upper mold assembly 52 further comprises a lower pressing mold block 522, a pressing mold head 521, an elastic buffer member 523 and a fixing member 525, the lower pressing mold block 522 is provided with a through hole, the elastic buffer member 523 is installed in the through hole, the elastic buffer member 523 is a spring, the top end of the elastic buffer member 523 is connected with the fixing member 525, the bottom end of the elastic buffer member is connected with the pressing mold head 521, a guide pillar 524 perpendicular to the pressing bottom surface of the pressing mold head 521 is further arranged in the middle of the elastic buffer member 523, the guide pillar 524 mainly functions to keep the elastic action direction of the elastic buffer member 523 consistent with the pressing direction, the lower pressing mold block 522, the pressing mold head 521 and the fixing member 525 are respectively provided with a fixing hole, and the pressing mold head 521 is installed below the lower pressing mold block 522 through the fixing member, the fixing member 525 is a cover plate, and the fixing member 525 is mounted on the upper surface of the press-down module 522 through a fixing member. The pressing die head 521 automatically and flatly presses on the workpiece through the action of the elastic buffer 523, and the upper die assembly 52 and the lower die assembly 53 can be replaced according to the requirement of the workpiece to be processed.

Specifically, the lower die assembly 53 further includes a lower die 532 and a base 531, the lower die 532 and the base 531 are respectively provided with a mounting hole, the lower die 532 is fixedly mounted in the middle of the base 531 through a screw, mounting grooves are further formed around the base 531, the lower die can be fixedly mounted on production equipment through the mounting grooves, guide pillars 533 are symmetrically arranged on opposite corners or edges around the upper surface of the base 531, the lower pressing module 522 is provided with guide pillar holes at positions corresponding to the guide pillars 533, the upper die assembly 52 performs die pressing movement through the guide pillar holes and the guide pillars 533, a shaped groove is formed in the middle of the lower die 532, the shape of the shaped groove is consistent with that of a workpiece, and the shaped groove is used for placing the workpiece to be processed.

In the above high-precision hot-pressing apparatus 100, the pressure sensing probe 32a in the pressure sensor 32 is collinear with the axis of the pressure output shaft of the driving mechanism 10, so that the pressure sensor 32 can directly receive the pressure applied by the driving mechanism 20, thereby avoiding the influence of external force factors caused by uncertain factors of other structures, providing a more constant pressure environment, reducing the calibration frequency, improving the production efficiency, meanwhile, the upper die assembly 52 is provided with the elastic buffer member 523, the elastic action direction of the elastic buffer member 523 is consistent with the pressure application direction, when the pressure application bottom surface of the pressure application die head 521 is uneven, the elastic buffer member 523 can automatically adjust the flatness of the pressure application bottom surface, so that the plane of the workpiece is always kept flat, and the product quality is ensured.

It should be noted that the present invention is not limited to the above-mentioned embodiments, and other changes and modifications can be made by those skilled in the art according to the spirit of the present invention, and all changes and modifications made according to the spirit of the present invention should be included in the scope of the present invention.

Claims

1. A high-precision hot-pressing device is characterized by comprising a driving mechanism, a transmission mechanism, a pressure sensing assembly, a pressure buffering assembly and a die mechanism, the pressure sensing assembly comprises an upper fixing plate, a pressure sensor and a lower fixing plate, the driving mechanism is provided with a pressure output shaft, the upper fixed plate is connected with the transmission mechanism on the axis of the pressure output shaft, a fixed base is arranged below the lower fixed plate, the pressure buffering component is arranged between the fixed base and the die mechanism so as to act on a workpiece to be pressed by the pressure of the die mechanism, the die mechanism comprises a die clamp, an upper die assembly and a lower die assembly, wherein a through hole is formed in the upper die assembly, the through hole is provided with an elastic buffer part, and the pressing die head automatically and smoothly presses the workpiece under the action of the elastic buffer part.

2. The high precision hot pressing apparatus of claim 1, wherein the transmission mechanism comprises a shaft seat connected to the pressure output shaft and an adapter plate, the shaft seat having a shaft hole for connecting the shaft seat connected to the pressure output shaft.

3. The high-precision hot-pressing device as claimed in claim 2, wherein the upper fixing plate is provided with a mounting hole on the upper surface, the adapter plate of the transmission mechanism is fixed in the mounting hole through a fastener, and the upper fixing plate and the adapter plate are assembled into a whole in a stacking manner.

4. The high-precision hot-pressing apparatus as claimed in claim 1, wherein a plurality of circular holes are formed around the upper fixing plate, the pressure sensor and the lower fixing plate, and are fixed together by fasteners, and a plurality of circular holes are formed around the lower fixing plate and connected to the fixing base, and the lower fixing plate is mounted to the fixing base by fasteners.

5. The high precision hot pressing apparatus according to claim 1, wherein the pressure sensor has a pressure sensing probe located between the upper fixing plate and the lower fixing plate, an axis of the pressure sensing probe is collinear with an axis of a pressure output shaft, and a pressure control of the pressure sensor is accurate to 1N.

6. The high precision hot pressing apparatus according to claim 1, wherein the fixing base is symmetrically provided with a plurality of position-limiting guide pillars, each position-limiting guide pillar correspondingly penetrates through a guide pillar hole, and the guide pillar holes are installed on a bracket.

7. The high-precision hot-pressing device according to claim 1, wherein the pressure buffering assembly comprises a plurality of fixing members and a plurality of springs, the upper surface of the mold clamp is correspondingly provided with a plurality of spring holes, the bottom end of each spring is respectively installed in the corresponding spring hole, and the top end of each spring is installed on the fixed base through each fixing member.

8. The high precision hot pressing apparatus of claim 1, wherein the lower surface of the mold clamp is provided with an installation groove, and the upper mold assembly is installed below the mold clamp through the installation groove.

9. The high-precision hot pressing device according to claim 8, wherein the upper die assembly further comprises a pressing die set, a pressing die head, an elastic buffer member and a fixing member, a through hole is formed in the middle of the pressing die set, the elastic buffer member is installed in the through hole, the top end of the elastic buffer member is connected with the fixing member, the bottom end of the elastic buffer member is connected with the pressing die head, and the pressing die head automatically and flatly presses on the workpiece under the action of the elastic buffer member.

10. The high-precision hot-pressing equipment as claimed in claim 8, wherein the lower die assembly comprises a base and a lower die, the lower die is mounted on the base, and a groove is formed in the middle of the lower die assembly and used for placing a workpiece to be processed.