CN214187651U

CN214187651U - Compacting die for producing high-strength silicon nitride ceramics

Info

Publication number: CN214187651U
Application number: CN202022402690.7U
Authority: CN
Inventors: 刘丹
Original assignee: Hunan Ruiming Precision Ceramics Co ltd
Current assignee: Hunan Ruiming Precision Ceramics Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-09-14
Anticipated expiration: 2030-10-26

Abstract

The utility model relates to the field of pressing dies, in particular to a pressing die for producing high-strength silicon nitride ceramics, which comprises a fixed seat, wherein the top end of a supporting rod is fixedly connected with a lower die, the front right side of the lower die is fixedly connected with a motor, the end of a main shaft of the motor is fixedly connected with a worm, the worm is rotationally connected with the lower die, the left end of the worm is meshed with a worm wheel, the worm wheel is rotationally connected with a rod piece towards one end of the center of the lower die, the other end of the rod piece is rotationally connected with a rotating plate, the middle end of the rotating plate is rotationally connected with a fixed ring, the fixed ring is fixedly connected with the lower die, in the utility model, after powder pressing is finished, the worm can drive the worm wheel to rotate by rotating the motor, and then the worm wheel drives the rod piece to move, the rotating plate rotates, the bottom of the lower die is opened, and finished products are quickly taken out from the lower part, this device easy operation, it is a lot of to take out efficiency than traditional embossing mold utensil height, is favorable to improving machining efficiency.

Description

Compacting die for producing high-strength silicon nitride ceramics

Technical Field

The utility model relates to a embossing mold utensil field specifically is an embossing mold utensil is used in production of high strength silicon nitride pottery.

Background

Silicon nitride is an inorganic substance, has a chemical formula of Si3N4, is an important structural ceramic material, has high hardness, self lubricity and wear resistance, is an atomic crystal, resists oxidation at high temperature, can resist cold and hot impact, is heated to more than 1000 ℃ in air, is rapidly cooled and then rapidly heated, and does not crack.

The existing pressing die for silicon nitride ceramic production is difficult to rapidly take out the finished product after powder pressing is finished, so that the processing efficiency is very delayed, and meanwhile, the existing pressing die for silicon nitride ceramic production can vibrate to cause deviation when being processed, so that the processed product has defects and the product quality is very influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high strength silicon nitride is embossing mold utensil for ceramic manufacture to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a pressing die for producing high-strength silicon nitride ceramics comprises a fixed seat, wherein a threaded shaft is rotatably connected to the inner side of the fixed seat, a threaded sleeve is spirally connected to the outer side of the threaded shaft, a clamping plate is fixedly connected to the bottom end of the threaded sleeve, a first bevel gear is fixedly connected to the right end of the threaded shaft, a second bevel gear is meshed and connected to the outer side of the first bevel gear, a rotating handle is fixedly connected to the top end of the second bevel gear, a supporting rod is fixedly connected to the top end of the fixed seat, a lower die is fixedly connected to the top end of the supporting rod, a motor is fixedly connected to the right side of the front end of the lower die, a worm is fixedly connected to the tail end of a main shaft of the motor and rotatably connected with the lower die, a worm wheel is meshed and connected to the left end of the worm, a rod piece is rotatably connected to one end of the worm wheel, which faces the center of the lower die, and a rotating plate is rotatably connected to the other end of the rod piece, the middle end of the rotating plate is rotatably connected with a fixing ring, and the fixing ring is fixedly connected with the lower die.

Preferably, the threaded shaft is provided with opposite threads, the opposite threads on the threaded shaft are horizontally and symmetrically arranged, and the threaded shaft penetrates through the right end of the fixed seat.

Preferably, threaded sleeve and fixing base sliding connection, threaded sleeve is the horizontal symmetry setting, threaded sleeve's total 2.

Preferably, the outer side of the second bevel gear is rotatably connected with a shell, and the left end of the shell is fixedly connected with the right end of the outer side of the fixed seat.

Preferably, the top edge of the fixing seat is fixedly connected with a sliding rod, the outer side of the sliding rod is connected with an upper die in a sliding mode, and the upper die is located right above the lower die.

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

1. in the utility model, through the arranged motor, the worm, the fixing ring, the rotating block, the rod piece, the worm wheel and the like, after powder pressing is finished, the worm can drive the worm wheel to rotate by opening the motor, and then the worm wheel drives the rod piece to move, the rod piece drives the rotating plate to rotate, the bottom of the lower die is opened, and a finished product is quickly taken out from the lower part;

2. the utility model discloses in, through threaded spindle, threaded sleeve, splint, first bevel gear, second bevel gear, commentaries on classics handle etc. that set up, can rotate the drive second bevel gear through rotating, second bevel gear drives first bevel gear and rotates, and first bevel gear drives the threaded rod and rotates, and then makes threaded sleeve drive splint press from both sides the external fixture tightly to make the device fix a position, the skew that the during operation reduced vibrations and produced is favorable to improving the quality of product.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the installation structure of the worm of the present invention.

In the figure: 1-a fixed seat, 2-a threaded shaft, 3-a threaded sleeve, 4-a clamping plate, 5-a first bevel gear, 6-a second bevel gear, 7-a rotating handle, 8-a shell, 9-a supporting rod, 10-a lower die, 11-a sliding rod, 12-an upper die, 13-a motor, 14-a worm, 15-a fixed ring, 16-a rotating plate, 17-a rod piece and 18-a worm wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution:

a pressing die for producing high-strength silicon nitride ceramics comprises a fixed seat 1, wherein a threaded shaft 2 is rotatably connected to the inner side of the fixed seat 1, a threaded sleeve 3 is spirally connected to the outer side of the threaded shaft 2, a clamping plate 4 is fixedly connected to the bottom end of the threaded sleeve 3, a first bevel gear 5 is fixedly connected to the right end of the threaded shaft 2, a second bevel gear 6 is meshed and connected to the outer side of the first bevel gear 5, a rotating handle 7 is fixedly connected to the top end of the second bevel gear 6, a supporting rod 9 is fixedly connected to the top end of the fixed seat 1, a lower die 10 is fixedly connected to the top end of the supporting rod 9, a motor 13 is fixedly connected to the right side of the front end of the lower die 10, a worm 14 is fixedly connected to the tail end of a main shaft of the motor 13, the worm 14 is rotatably connected with the lower die 10, a worm wheel 18 is meshed and connected to the left end of the worm wheel 18, a rod member 17 is rotatably connected to one end of the center of the lower die 10, and a rotating plate 16 is rotatably connected to the other end of the rod member 17, the middle end of the rotating plate 16 is rotatably connected with a fixing ring 15, and the fixing ring 15 is fixedly connected with the lower die 10.

The threaded shaft 2 is provided with opposite threads, the opposite threads on the threaded shaft 2 are horizontally and symmetrically arranged, the threaded shaft 2 penetrates through the right end of the fixed seat 1, and the threaded sleeve 3 on the outer side of the threaded shaft 2 makes relative movement by rotating the threaded shaft 2; the threaded sleeves 3 are connected with the fixed seat 1 in a sliding mode, the threaded sleeves 3 are horizontally and symmetrically arranged, and the number of the threaded sleeves 3 is 2, so that the threaded sleeves 3 can horizontally slide relatively along the fixed seat 1; the outer side of the second bevel gear 6 is rotatably connected with a shell 8, the left end of the shell 8 is fixedly connected with the right end of the outer side of the fixed seat 1, and the shell 8 supports the second bevel gear 6; the top edge of the fixed seat 1 is fixedly connected with a slide rod 11, the outer side of the slide rod 11 is connected with an upper die 12 in a sliding mode, the upper die 12 is located right above the lower die 10, and the upper die 12 cannot deviate when moving through the slide rod 11.

The working process is as follows: all electrical appliances in the device adopt an external power supply, the device drives a second bevel gear 6 to rotate by rotating a rotating handle 7, the rotating handle 7 drives the second bevel gear 6 to rotate, the second bevel gear 6 drives a first bevel gear 5 to rotate, the first bevel gear 5 drives a threaded shaft 2 to rotate in a fixed seat 1, the threaded shaft 2 drives a threaded sleeve 3 to rotate and relatively slide in the fixed seat 1, so that the threaded sleeve 3 drives a clamping plate 4 to clamp an external fixed object, the device is favorable for positioning, displacement caused by vibration generated in the machining process is prevented, and further quality defects of products are avoided, an upper die 12 is driven to move downwards along a sliding rod 11 by a pressing machine, powder in a lower die 10 is pressed and molded, a motor 13 is opened to drive a worm 14 to rotate, the worm 14 rotates to drive a worm wheel 18 to rotate, the worm wheel 18 rotates to drive a rod piece 17 to rotate, the rod piece 17 rotates to drive a rotating plate 16 to rotate, because the rotating plate 16 and the fixing ring 15 rotate, and the fixing ring 15 is fixedly connected with the lower die 10, the rotating plate 16 opens the hole exposing the bottom of the lower die 10, and the pressed finished product is quickly taken out from the bottom, which is beneficial to improving the processing efficiency of the device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high strength silicon nitride is embossing mold utensil for ceramic manufacture, includes fixing base (1), its characterized in that: the inner side of the fixed seat (1) is rotatably connected with a threaded shaft (2), the outer side of the threaded shaft (2) is spirally connected with a threaded sleeve (3), the bottom end of the threaded sleeve (3) is fixedly connected with a clamping plate (4), the right end of the threaded shaft (2) is fixedly connected with a first bevel gear (5), the outer side of the first bevel gear (5) is meshed with a second bevel gear (6), the top end of the second bevel gear (6) is fixedly connected with a rotating handle (7), the top end of the fixed seat (1) is fixedly connected with a supporting rod (9), the top end of the supporting rod (9) is fixedly connected with a lower die (10), the right side of the front end of the lower die (10) is fixedly connected with a motor (13), the tail end of a main shaft of the motor (13) is fixedly connected with a worm (14), the worm (14) is rotatably connected with the lower die (10), and the left end of the worm (14) is meshed with a worm wheel (18), the worm wheel (18) is connected with a rod piece (17) in a rotating mode towards one end of the center of the lower die (10), the other end of the rod piece (17) is connected with a rotating plate (16) in a rotating mode, the middle end of the rotating plate (16) is connected with a fixing ring (15) in a rotating mode, and the fixing ring (15) is fixedly connected with the lower die (10).

2. The pressing mold for producing high-strength silicon nitride ceramics according to claim 1, wherein: the threaded shaft (2) is provided with opposite threads, the opposite threads on the threaded shaft (2) are horizontally symmetrically arranged, and the threaded shaft (2) penetrates through the right end of the fixing seat (1).

3. The pressing mold for producing high-strength silicon nitride ceramics according to claim 1, wherein: threaded sleeve (3) and fixing base (1) sliding connection, threaded sleeve (3) are the horizontal symmetry and set up, the total 2 of the number of threaded sleeve (3).

4. The pressing mold for producing high-strength silicon nitride ceramics according to claim 1, wherein: the outside of second bevel gear (6) is rotated and is connected with shell (8), the left end of shell (8) and the outside right-hand member fixed connection of fixing base (1).

5. The pressing mold for producing high-strength silicon nitride ceramics according to claim 1, wherein: the top edge fixedly connected with litter (11) of fixing base (1), the outside sliding connection of litter (11) has last mould (12), go up mould (12) and be located lower mould (10) directly over.