CN210024988U

CN210024988U - Grinding wheel pressing die

Info

Publication number: CN210024988U
Application number: CN201920546630.7U
Authority: CN
Inventors: 武亦雯; 彭进; 赵硕; 张涛
Original assignee: Henan Shihu New Material Technology Co Ltd
Current assignee: Henan Shihu New Material Technology Co Ltd
Priority date: 2019-04-22
Filing date: 2019-04-22
Publication date: 2020-02-07
Anticipated expiration: 2029-04-22

Abstract

The utility model relates to a emery wheel embossing mold utensil. The utility model discloses a emery wheel embossing mold utensil comprises mould base, middle mould and upper mould to be equipped with the ring platform in the chamber that holds of middle mould, the chamber that holds that each link up each other forms with the cooperation of ring platform with the die cavity of corresponding V type emery wheel adaptation is formed in the cooperation of ring platform, makes the butt joint position of mould be in the edge position department in the V type groove of emery wheel like this, and these edges are continuous in week moreover, have reduced the influence of the defect of butt joint position department to the quality of emery wheel like this.

Description

Grinding wheel pressing die

Technical Field

The utility model relates to a emery wheel embossing mold utensil.

Background

In the production process of the grinding wheel, a pressing process is generally adopted for production, in the pressing process, a pressing die is required for production, the general grinding wheel is generally in a disc-shaped structure, the adopted die is simpler, but for grinding wheels with special structures, the general pressing die cannot be used for production, and particularly for V-shaped grinding wheels, a special die is required for production. For example, chinese patent document No. CN208528874U discloses a V-shaped sand wheel sheet pressing mold, wherein a bottom mold of the pressing mold is fixed on a table, the bottom mold is in a circular plate-shaped structure, a core mold is disposed at the center of the bottom mold, left and right sides of the bottom mold are respectively provided with left and right half molds, the left and right half molds have the same structure and are in a semicircular structure, inner sides of the left and right half molds are both provided with a conical protrusion, outer sides of the left and right half molds are respectively connected with an opening and closing device, the opening and closing device is an opening and closing cylinder fixed on the table, and a telescopic rod of the opening and closing cylinder is connected with an outer side of the left half mold or. The pressing mold comprises two semicircular movable half molds and a bottom mold fixed on a workbench, wherein conical protrusions are arranged on the inner sides of the semicircular movable half molds, the bottom mold and the two movable half molds are combined to form a V-shaped grinding wheel mold, the outer sides of the semicircular movable half molds are connected with an opening and closing cylinder, and the opening and closing cylinder is used for opening and closing the mold, so that the mold is opened and taken conveniently after molding.

However, the left half mold and the right half mold of the structure are very uneven in the butt joint position after being butted, so that defects are formed in the butt joint position, and the defects are on the circumferential surface of the grinding wheel, so that the quality of the grinding wheel is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a grinding wheel embossing mold utensil to solve the poor problem of emery wheel quality of current grinding wheel embossing mold utensil production.

The utility model discloses a emery wheel embossing mold utensil adopts following technical scheme:

a grinding wheel pressing die comprises a die base, a middle die arranged on the die base and an upper die arranged on the middle die, the middle parts of the mould base, the middle mould and the upper mould are provided with mutually communicated containing cavities, the side wall of the containing cavity of the middle die is provided with a ring platform which extends towards the inside and is matched with the shape of the V-shaped groove of the corresponding V-shaped grinding wheel, the containing cavities which are communicated with each other are matched with the ring platform to form a die cavity matched with the corresponding V-shaped grinding wheel, a mold core is arranged in the mold cavity, one of butt joint surfaces mutually connected among the mold base, the middle mold and the upper layer mold is provided with a mounting groove, the other one is provided with a mounting block inserted in the mounting groove, the die base, the middle die and the upper die are sequentially connected with the mounting block through the mounting groove.

The mounting groove is an arc-shaped groove extending around the circumferential direction of the mold core, the cross section of the arc-shaped groove is in a dovetail groove shape, and the mounting block is matched with the arc-shaped groove in shape.

One end of the arc-shaped groove is provided with an opening for the installation block to enter the installation block.

And a guide structure for guiding the mounting block to enter is arranged at the side position of the opening.

The guide structure is a guide ramp.

The arc-shaped grooves are arranged around the mold core at intervals in the circumferential direction, and the openings of the arc-shaped grooves are positioned on the same side.

The bottom of the accommodating cavity of the base is provided with a through hole, the lower end of the mold core is provided with a blocking platform, and the mold core is arranged in the through hole in a penetrating mode and is matched with the through hole edge in a blocking mode through the blocking platform.

The grinding wheel pressing die further comprises a mounting seat, the die base is arranged on the mounting seat, a mounting hole is formed in the middle of the mounting seat, and a pressing block for pressing the die core on the die base is arranged in the mounting hole.

The utility model has the advantages that: the utility model discloses a emery wheel embossing mold utensil comprises mould base, middle mould and upper mould to be equipped with the ring platform in the chamber that holds of middle mould, the chamber that holds that each link up each other forms with the cooperation of ring platform with the die cavity of corresponding V type emery wheel adaptation is formed in the cooperation of ring platform, makes the butt joint position of mould be in the edge position department in the V type groove of emery wheel like this, and these edges are continuous in week moreover, have reduced the influence of the defect of butt joint position department to the quality of emery wheel like this.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of an embodiment of a grinding wheel pressing die according to the present invention;

FIG. 2 is a schematic structural view of the mold base of FIG. 1;

FIG. 3 is a partial enlarged view of the mounting slot of FIG. 2;

FIG. 4 is a schematic structural view of the intermediate mold of FIG. 1;

FIG. 5 is a schematic view of another perspective of the intermediate mold of FIG. 1;

FIG. 6 is a schematic structural view of the upper mold of FIG. 1;

in the figure: 1. a mounting seat; 2. pressing the block; 3. a connecting bolt; 4. a mold core; 5. a mold base; 6. an intermediate mold; 7. an upper layer mold; 8. a grinding wheel body; 31. positioning pins; 61. a middle die mounting block; 60. a ring platform; 72. guiding the arc surface; 51. a bottom; 52. a side wall; 53. a mold base mounting groove; 54. an opening; 55. perforating; 541. a guide ramp; 542. a flaring structure; 62. a middle die mounting groove; 71. and an upper layer die mounting block.

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.

The embodiment of the utility model relates to an embodiment of a grinding wheel pressing die, as shown in figures 1 to 6, a grinding wheel pressing die comprises a die base 5, a middle die 6 arranged on the die base 5 and an upper die 7 arranged on the middle die 6, wherein the middle positions of the die base 5, the middle die 6 and the upper die 7 are provided with mutually communicated accommodating cavities, the side wall of the accommodating cavity of the middle die 6 is provided with a ring platform 60 extending towards the inside and matched with the V-shaped groove shape of a corresponding V-shaped grinding wheel, each mutually communicated accommodating cavity is matched with the ring platform 60 to form a die cavity matched with a corresponding V-shaped grinding wheel body 8, a die core 4 is arranged in the die cavity, one of the mutually connected butt-joint surfaces between the die base 5, the middle die 6 and the upper die 7 is provided with a mounting groove, and the other is provided with a mounting block inserted in the mounting groove, the mould base 5, the middle mould 6 and the upper mould 7 are connected with the mounting block in sequence through mounting grooves.

In this embodiment, the mounting groove is an arc-shaped groove extending around the circumference of the die core 4, the cross section of the arc-shaped groove is in a dovetail groove shape, and the mounting block is matched with the arc-shaped groove in shape. The structure of the arc-shaped groove is adopted to facilitate clamping of the clamping block, specifically, the mounting groove on the mold base is the mold base mounting groove 53, the middle mold mounting groove 62 and the middle mold mounting block 61 are arranged on the middle mold, and the upper mold mounting block 71 is arranged on the upper mold. The arcuate slots are provided in the side walls 52 of the mold base. Guide arcs 72 are also provided at the opening positions of the upper layer mold for guiding the entry of the platens.

In order to facilitate the installation block to enter the arc-shaped groove, in the embodiment, one end of the arc-shaped groove is provided with an opening 54 for the installation block to enter the interior of the arc-shaped groove, and the size of the opening 54 is larger than that of the installation block, so that the installation block can smoothly enter the arc-shaped groove. Meanwhile, a guide structure for guiding the entry of the mounting block, specifically, a guide slope 541 is provided at a side position of the opening 54. The two guide ramps 541 cooperate to form a flared structure that forms a guide structure that guides the mounting block into the arcuate slot. Meanwhile, a flaring structure 542 is arranged at the starting position of the arc-shaped groove and used for guiding the installation block to enter.

In order to ensure the reliability of the connection of the components, in the present embodiment, four arc-shaped grooves are provided at intervals around the circumference of the mold core 4, and the openings 54 of the arc-shaped grooves are on the same side.

The bottom 51 of the accommodating cavity of the base is provided with a through hole 55, the lower end of the mold core 4 is provided with a stop table, and the mold core 4 is arranged in the through hole 55 in a penetrating way and matched with the hole edge of the through hole 55 in a stopping way through the stop table. The grinding wheel pressing die further comprises a mounting seat 1, a die base 5 is arranged on the mounting seat 1, a mounting hole is formed in the middle of the mounting seat 1, and a pressing block 2 for pressing the die core onto the die base 5 is arranged in the mounting hole. Specifically, the jacking block 2 and the die base are positioned by the positioning pin 31 and connected by the connecting bolt 3, so that the connection precision is ensured.

The utility model discloses a emery wheel embossing mold utensil comprises mould base, middle mould and upper mould to be equipped with the ring platform in the chamber that holds of middle mould, the chamber that holds that each link up each other forms with the cooperation of ring platform with the die cavity of corresponding V type emery wheel adaptation is formed in the cooperation of ring platform, makes the butt joint position of mould be in the edge position department in the V type groove of emery wheel like this, and these edges are continuous in week moreover, have reduced the influence of the defect of butt joint position department to the quality of emery wheel like this.

In other embodiments of the present invention, the mounting groove may also be a T-shaped groove structure, and the mounting block is also a T-shaped block at this time; the guide structure at the opening position can also be a cambered surface structure; the arc-shaped grooves can be in other numbers; the mould core can also be directly fixed on the mould base.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a emery wheel embossing mold utensil which characterized in that: comprises a mould base, a middle mould arranged on the mould base and an upper mould arranged on the middle mould, the middle parts of the mould base, the middle mould and the upper mould are provided with mutually communicated containing cavities, the side wall of the containing cavity of the middle die is provided with a ring platform which extends towards the inside and is matched with the shape of the V-shaped groove of the corresponding V-shaped grinding wheel, the containing cavities which are communicated with each other are matched with the ring platform to form a die cavity matched with the corresponding V-shaped grinding wheel, a mold core is arranged in the mold cavity, one of butt joint surfaces mutually connected among the mold base, the middle mold and the upper layer mold is provided with a mounting groove, the other one is provided with a mounting block inserted in the mounting groove, the die base, the middle die and the upper die are sequentially connected with the mounting block through the mounting groove.

2. The grinding wheel pressing die of claim 1, wherein: the mounting groove is an arc-shaped groove extending around the circumferential direction of the mold core, the cross section of the arc-shaped groove is in a dovetail groove shape, and the mounting block is matched with the arc-shaped groove in shape.

3. The wheel pressing die of claim 2, wherein: one end of the arc-shaped groove is provided with an opening for the installation block to enter the installation block.

4. The wheel pressing die of claim 3, wherein: and a guide structure for guiding the mounting block to enter is arranged at the side position of the opening.

5. The wheel pressing die of claim 4, wherein: the guide structure is a guide ramp.

6. The wheel pressing die of claim 5, wherein: the arc-shaped grooves are arranged around the mold core at intervals in the circumferential direction, and the openings of the arc-shaped grooves are positioned on the same side.

7. The grinding wheel pressing die according to any one of claims 1 to 5, wherein: the bottom of the accommodating cavity of the base is provided with a through hole, the lower end of the mold core is provided with a blocking platform, and the mold core is arranged in the through hole in a penetrating mode and is matched with the through hole edge in a blocking mode through the blocking platform.

8. The grinding wheel pressing die according to any one of claims 1 to 5, wherein: the grinding wheel pressing die further comprises a mounting seat, the die base is arranged on the mounting seat, a mounting hole is formed in the middle of the mounting seat, and a pressing block for pressing the die core on the die base is arranged in the mounting hole.