CN216635555U

CN216635555U - Pressure grinding tool for processing silicon nitride powder

Info

Publication number: CN216635555U
Application number: CN202123288674.0U
Authority: CN
Inventors: 刘海青; 刘浩; 慕瑞民; 曹雪敏
Original assignee: Anyang Shixin Nitriding Products Co ltd
Current assignee: Shanxi Jindongnan Myth New Material Co ltd
Priority date: 2021-12-25
Filing date: 2021-12-25
Publication date: 2022-05-31
Anticipated expiration: 2031-12-25

Abstract

The utility model relates to a pressurized grinding tool for processing silicon nitride powder, which relates to the technical field of silicon nitride processing, and comprises a supporting plate, wherein the bottom surface of the supporting plate is connected with supporting legs, the top surface of the supporting plate is connected with a top plate through a strut, the bottom surface of the top plate is provided with a first air cylinder, an output shaft of the first air cylinder is connected with a pressing plate, the pressing plate is provided with a first sliding hole penetrating through the thickness of the pressing plate near the edge, a first sliding rod is fixedly connected between the top plate and the supporting plate and penetrates through the first sliding hole, the first sliding rod can slide up and down in the first sliding hole, and an annular pressure sensor is sleeved on the first sliding rod. Meanwhile, the pressure of each stamping can be monitored through the annular pressure sensor, and the quality of the abrasive blank in the abrasive forming cavity is ensured.

Description

Pressure grinding tool for processing silicon nitride powder

Technical Field

The utility model relates to the technical field of silicon nitride processing, in particular to a pressurized grinding tool for processing silicon nitride powder.

Background

At present, when silicon nitride powder is processed, a pressurized grinding tool is needed for shaping after silicon nitride powder and other materials are mixed and stirred, and the pressurized grinding tool has the following defects: (1) after the pressurized grinding tool is pressurized and formed, most of the pressurized grinding tools are demolded by means of manual demolding, so that the labor intensity is increased, the working efficiency is low, and time and labor are wasted; (2) the pressure of pressurization at every turn can not be monitored when present pressurization grinding apparatus is being pressed and is stereotyped, can not ensure the quality of the abrasive material body in the shaping chamber.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a pressurized grinding tool for processing silicon nitride powder.

The technical scheme is as follows: the device comprises a supporting plate, supporting legs are connected to the bottom surface of the supporting plate, a top plate is connected to the top surface of the supporting plate through a support column, a first air cylinder is installed on the bottom surface of the top plate, a pressing plate is connected to an output shaft of the first air cylinder, a first sliding hole penetrating through the thickness of the pressing plate is formed in the position, close to the edge, of the pressing plate, a first sliding rod is fixedly connected between the top plate and the supporting plate, the first sliding rod penetrates through the first sliding hole and can slide up and down in the first sliding hole, an annular pressure sensor is sleeved on the first sliding rod and fixed to the top surface of the supporting plate, a first spring is sleeved on the first sliding rod and located between the annular pressure sensor and the pressing plate, a pressing block is connected to the middle of the bottom surface of the top plate, and a bottom plate is fixedly connected between the supporting legs, the utility model discloses a bottom plate, including bottom plate, fixed connection, backup pad, top surface center, the output shaft of bottom plate has the second cylinder, the output shaft of second cylinder has the fly leaf, the fly leaf is close to the edge and sets up the second slide opening that runs through its thickness, the bottom plate with fixedly connected with second slide bar between the backup pad, just the second slide bar runs through the second slide opening sets up, just the second slide bar can slide from top to bottom in the second slide opening, the cover is equipped with the second spring on the second slide bar, the second spring is located the fly leaf with between the backup pad, the top surface center fixedly connected with push rod of department of fly leaf, the push rod runs through the through-hole of backup pad bottom surface and with the bottom surface fixed connection of jacking board, the top surface center fixedly connected with pressurized groove of backup pad, jacking board sliding connection be in the pressurized inslot.

Preferably, the number of the supporting legs is four, the four supporting legs are uniformly distributed on the bottom surface of the supporting plate, foot plates are fixed on the bottom surfaces of the supporting legs, and rubber shock absorption pads are arranged on the bottom surfaces of the foot plates.

Preferably, the height of the pressing block is greater than that of the inner cavity of the pressurizing groove.

Preferably, the number of the first sliding holes is four, the four first sliding holes are uniformly distributed on the pressing plate, and the number of the first sliding rods matched with the first sliding holes in sliding connection is also four.

Preferably, the number of the second sliding holes is four, the four second sliding holes are uniformly distributed on the movable plate, and the number of the push rods matched with the second sliding holes in sliding connection is also four.

The utility model provides a pressurized grinding tool for processing silicon nitride powder, which has the beneficial effects that:

(1): after the pressing forming, the movable plate is driven to ascend through the second air cylinder, the movable plate drives the push rod to ascend, the push rod pushes the jacking plate to ascend, and the formed abrasive blank is ejected out of the pressing groove, so that a mold of the abrasive blank is simple and convenient to disassemble and assemble, the replacement time of the mold of the abrasive blank is reduced, the forming and processing efficiency of the abrasive is improved, and the second slide bar and the second spring are arranged, so that the effect of effective buffer protection in the demolding process is realized, and the abrasive blank is prevented from being damaged in the demolding process;

(2): according to the utility model, the annular pressure sensor is arranged between the first spring and the supporting plate, the first cylinder drives the pressing plate and the pressing block to press downwards, the pressing plate extrudes the first spring, the pressure of each stamping is monitored by the annular pressure sensor, the quality of the abrasive blank in the abrasive forming cavity is ensured, and the pressure intensity of the annular pressure sensor can be reduced by the first spring, so that the service life of the pressure sensor can be prolonged;

(3): the bottom surface of the supporting leg is fixed with the foot plate, so that the stability of the grinding tool is improved, and meanwhile, the rubber shock pad fixedly arranged on the bottom surface of the foot plate can achieve the shock absorption effect on the whole grinding tool.

Drawings

FIG. 1: the utility model provides an overall structure diagram.

FIG. 2: fig. 1 is an enlarged view of a portion a.

FIG. 3: fig. 1 is an enlarged view of a portion B.

FIG. 4: the present invention provides an overall front view.

In the figure: 1-supporting plate, 2-supporting leg, 3-pillar, 4-top plate, 5-first cylinder, 6-pressing plate, 7-first slide hole, 8-first slide rod, 9-annular pressure sensor, 10-first spring, 11-pressing block, 12-bottom plate, 13-second cylinder, 14-movable plate, 15-second slide hole, 16-second slide rod, 17-second spring, 18-push rod, 19-through hole, 20-lifting plate, 21-pressurizing groove, 22-foot plate and 23-rubber shock pad.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. In the description of the present invention, it should be noted that the terms "central", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, and are only used for convenience of description and simplification of description, but do not indicate or imply that the referred device or component must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

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

The first embodiment is as follows: as shown in figures 1-4, the pressure grinding tool for processing the silicon nitride powder comprises a support plate 1, wherein a support leg 2 is connected to the bottom surface of the support plate 1, and the support leg 2 is welded to the bottom surface of the support plate 1.

The top surface of backup pad 1 is connected with roof 4 through pillar 3, and pillar 3 is four, and pillar 3 evenly distributed is at four edges of backup pad 1 top surface, and the bottom of pillar 3 is connected with the top surface welded fastening of backup pad 1, the top of pillar 3 and the bottom surface welded fastening of roof 4 are connected.

The bottom surface of the top plate 4 is provided with a first air cylinder 5, the first air cylinder 5 adopts the prior art, the first air cylinder 5 is fixed at the center of the bottom surface of the top plate 4 through a screw, an output shaft of the first air cylinder 5 is connected with a pressing plate 6, an output shaft of the first air cylinder 5 is welded with a connecting plate, the connecting plate and the pressing plate 6 can adopt the screw fixed connection, the edge of the pressing plate 6 close to the edge is provided with a first sliding hole 7 penetrating through the thickness of the pressing plate, a first sliding rod 8 is fixedly connected between the top plate 4 and the supporting plate 1, two ends of the first sliding rod 8 are respectively fixedly connected with the top plate 4 and the supporting plate 1 in a welding way, the first sliding rod 8 penetrates through the first sliding hole 7, and the first sliding rod 8 can slide up and down in the first sliding hole 7, the number of the first sliding holes 7 is four, the four first sliding holes 7 are uniformly distributed on the pressing plate 6, and the number of the first sliding rods 8 matched with the first sliding holes 7 in sliding connection is also four.

The first sliding rod 8 is sleeved with an annular pressure sensor 9, the annular pressure sensor 9 is fixed to the top surface of the supporting plate 1 through a screw, the first sliding rod 8 is sleeved with a first spring 10, the first spring 10 is located between the annular pressure sensor 9 and the pressing plate 6, and the top end of the first spring 10 is fixedly connected with the bottom surface of the pressing plate 6 in a welding mode.

In the present embodiment, the annular pressure sensor 9 is made by the prior art, for example, the annular pressure sensor with the brand name of sicson and the model number of SK415, and the output end of the annular pressure sensor 9 is connected with an external controller through a signal line, the external controller is also made by the prior art, the model number of the external controller can be DATA-7311, and the working principle of the annular pressure sensor 9 and the external controller is well known to those skilled in the art and will not be described in more detail in this application.

The middle of the bottom surface of the top plate 4 is connected with a pressing block 11, and the pressing block 11 and the top plate 4 can be integrally formed.

A bottom plate 12 is fixedly connected between the supporting legs 2, the bottom plate 12 is fixedly connected with the side walls of the supporting legs 2 in a welding manner, a second cylinder 13 is installed in the middle of the top surface of the bottom plate 12, the second cylinder 13 adopts the prior art, the second cylinder 13 is fixed at the center of the top surface of the bottom plate 12 through screws, a connecting plate is welded on an output shaft of the second cylinder 13, the connecting plate is fixedly connected with the center of the bottom surface of a movable plate 14 through screws, a second sliding hole 15 penetrating through the thickness of the movable plate 14 is formed in the edge of the movable plate 14, a second sliding rod 16 is fixedly connected between the bottom plate 12 and a supporting plate 1, two ends of the second sliding rod 16 are respectively fixedly connected with the bottom plate 12 and the supporting plate 1 in a welding manner, the second sliding rod 16 penetrates through the second sliding hole 15, the second sliding rod 16 can slide up and down in the second sliding hole 15, wherein the number of the second sliding holes 15 is four, the four second sliding holes 15 are uniformly distributed on the movable plate 14, and four push rods 18 are matched with the second sliding holes 15 and are connected with the sliding holes in a sliding mode.

The second spring 17 is sleeved on the second sliding rod 16, the second spring 17 is located between the movable plate 14 and the support plate 1, two ends of the second spring 17 are respectively connected with the movable plate 14 and the support plate 1 in a welding and fixing mode, a push rod 18 is fixedly connected to the center of the top surface of the movable plate 14 in a welding and fixing mode, the push rod 18 penetrates through a through hole 19 in the bottom surface of the support plate 1 and is fixedly connected with the bottom surface of the jacking plate 20 in a welding and fixing mode, the diameter of the through hole 19 is larger than that of the cross section of the push rod 18, a pressurizing groove 21 is fixedly connected to the center of the top surface of the support plate 1 in a welding and fixing mode, the jacking plate 20 is slidably connected in the pressurizing groove 21, and the height of the pressing block 11 is larger than that of an inner cavity of the pressurizing groove 21.

The working principle is as follows: mix the stirring back at silicon nitride powder and other materials and pour into in the pressurized groove 21, start first cylinder 5, first cylinder 5 drives clamp plate 6 and briquetting 11 and pushes down, material extrusion shaping in the pressurized groove 21, in this process, the first spring 10 of clamp plate 6 extrusion, the pressure of punching press at every turn is monitored through cyclic annular pressure sensor 9, guarantee the quality of the inside abrasive material body in abrasive material shaping chamber, and first spring 10 can reduce the pressure intensity that cyclic annular pressure sensor 9 received, just so can increase pressure sensor's life.

After the pressurization forming, the movable plate 14 is driven to ascend through the second air cylinder 13, the movable plate 14 drives the push rod 18 to ascend, the push rod 18 pushes the jacking plate 20 to ascend, and the formed abrasive blank body is ejected out of the pressurization groove 21, so that the abrasive blank body die is simple and convenient to disassemble and assemble, the time for replacing the abrasive blank body die is shortened, the abrasive forming processing efficiency is improved, the second slide rod 16 and the second spring 17 are arranged, the effective buffering protection effect is achieved in the demolding process, and the abrasive blank body is prevented from being damaged in the demolding process.

Example two: on the basis of above-mentioned embodiment, furthermore, supporting leg 2 is four, four supporting leg 2 evenly distributed are in the bottom surface of backup pad 1, the bottom surface of supporting leg 2 is fixed with sole 22, but sole 22 lug connection is in the bottom surface of supporting leg 2, set up sole 22, increase the area of contact on supporting leg 2 and ground, increase the stability of this grinding apparatus, and sole 22's bottom surface is provided with rubber shock pad 23, rubber shock pad 23 passes through the glue and bonds in sole 22's bottom surface, set up rubber shock pad 23, can reach the absorbing effect to whole grinding apparatus.

In conclusion, the abrasive material green body die is simple and convenient to disassemble and assemble, the time for replacing the abrasive material green body die is shortened, the forming and processing efficiency of the abrasive material is improved, and the damage of the abrasive material green body in the demoulding process is prevented due to the effective buffer protection effect in the demoulding process; meanwhile, the pressure of each stamping can be monitored through the annular pressure sensor, and the quality of the abrasive blank in the abrasive forming cavity is guaranteed.

While the present invention has been particularly shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The pressurized grinding tool for processing the silicon nitride powder comprises a supporting plate (1), wherein the bottom surface of the supporting plate (1) is connected with supporting legs (2), and the pressurized grinding tool is characterized in that the top surface of the supporting plate (1) is connected with a top plate (4) through a support column (3), a first air cylinder (5) is installed on the bottom surface of the top plate (4), an output shaft of the first air cylinder (5) is connected with a pressing plate (6), the pressing plate (6) is close to the edge and is provided with a first sliding hole (7) penetrating through the thickness of the pressing plate, a first sliding rod (8) is fixedly connected between the top plate (4) and the supporting plate (1), the first sliding rod (8) penetrates through the first sliding hole (7), the first sliding rod (8) can slide up and down in the first sliding hole (7), an annular pressure sensor (9) is sleeved on the first sliding rod (8), and the annular pressure sensor (9) is fixed on the top surface of the supporting plate (1), the device is characterized in that a first spring (10) is sleeved on the first sliding rod (8), the first spring (10) is positioned between the annular pressure sensor (9) and the pressing plate (6), a pressing block (11) is connected to the middle of the bottom surface of the top plate (4), a bottom plate (12) is fixedly connected between the supporting legs (2), a second air cylinder (13) is installed in the middle of the top surface of the bottom plate (12), an output shaft of the second air cylinder (13) is connected with a movable plate (14), a second sliding hole (15) penetrating through the thickness of the movable plate (14) is formed in the position, close to the edge of the movable plate (14), a second sliding rod (16) is fixedly connected between the bottom plate (12) and the supporting plate (1), the second sliding rod (16) penetrates through the second sliding hole (15), the second sliding rod (16) can slide up and down in the second sliding hole (15), and a second spring (17) is sleeved on the second sliding rod (16), the second spring (17) is located the fly leaf (14) with between the backup pad (1), the top surface center department fixedly connected with push rod (18) of fly leaf (14), push rod (18) run through-hole (19) of backup pad (1) bottom surface and with the bottom surface fixed connection of jacking board (20), the top surface center fixedly connected with pressurized groove (21) of backup pad (1), jacking board (20) sliding connection be in pressurized groove (21).

2. The pressure grinding tool for processing the silicon nitride powder as claimed in claim 1, wherein the number of the supporting legs (2) is four, the four supporting legs (2) are uniformly distributed on the bottom surface of the supporting plate (1), a foot plate (22) is fixed on the bottom surface of each supporting leg (2), and a rubber shock pad (23) is arranged on the bottom surface of each foot plate (22).

3. The pressure grinding tool for processing silicon nitride powder according to claim 1, wherein the height of the compact (11) is greater than the height of the inner cavity of the pressure groove (21).

4. The pressure grinding tool for processing silicon nitride powder according to claim 1, wherein the number of the first sliding holes (7) is four, the four first sliding holes (7) are uniformly distributed on the pressure plate (6), and the number of the first sliding bars (8) which are matched with the first sliding holes (7) and slidably connected with the first sliding holes (7) is also four.

5. The pressurized grinding tool for processing silicon nitride powder according to claim 1, wherein the number of the second sliding holes (15) is four, the four second sliding holes (15) are uniformly distributed on the movable plate (14), and the number of the push rods (18) which are matched with the second sliding holes (15) and slidably connected with the second sliding holes (15) is also four.