CN214869221U

CN214869221U - Grinding and repairing device for working face of ring die

Info

Publication number: CN214869221U
Application number: CN202121126954.9U
Authority: CN
Inventors: 张克强; 苏京波; 谭世伟
Original assignee: Jiangsu Speed Machinery Co ltd
Current assignee: Jiangsu Speed Machinery Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-11-26
Anticipated expiration: 2031-05-24

Abstract

The utility model relates to a grinding repair device for a working face of a ring die, which is provided with a mandrel, the rear end of which is fixedly connected with a main shaft disc of a granulator and is positioned in the center of the ring die, a long sliding sleeve is arranged on the mandrel, a short sliding sleeve is arranged on the long sliding sleeve in a sliding way, a sliding sleeve flange is fixed at the rear end of the long sliding sleeve, guide pillars and axial lead screws are respectively arranged on two sides of the long sliding sleeve, one side of the short sliding sleeve is rotationally connected with the axial lead screws, and the other side of the short sliding sleeve is in sliding fit with the guide pillars; a guide post sleeve synchronously moving with the short sliding sleeve is arranged on the guide post in a sliding manner, a mill support is fixed on the guide post sleeve, and a mill for grinding and repairing the working surface of the ring die is arranged on the mill support; and a radial screw rod is arranged below the short sliding sleeve, and the front end of the radial screw rod is in transmission connection with the guide column sleeve so as to adjust the circumferential position of the mill. The utility model discloses need not to dismantle the ring mould during restoration, it adjusts the mill position through axis lead screw, radial lead screw, along with the rotation of granulator ring mould, grinds flat restoration, its simple structure, convenient operation to the ring mould working face by the emery wheel on the mill.

Description

Grinding and repairing device for working face of ring die

Technical Field

The utility model relates to a feed machinery technical field especially relates to a feed granulator need not to dismantle with the ring mould alright carry out prosthetic ring mould working face and grind flat prosthetic devices.

Background

The ring die belongs to the loss piece in the feeding stuff cuber, after using for a period of time, because the friction of not getting rid of debris such as clean iron in feedstuff or the raw materials for the ring die working face becomes unevenness, influences the output of cuber. Because the working surface of the ring die is uneven, one repair method is to tightly adjust the gap of the compression roller ring die, although the yield can be improved in a short time, the bell mouth of the ring die discharging die hole is easily flattened after long-time use, so that the discharging cannot be performed, the service life of the ring die is shortened, and the ring die is exploded even caused by overlarge stress in some cases; the second is that after the surface of the ring mould is uneven, the yield is reduced, the ring mould is replaced by a new one for use, and the old ring mould is used after being ground and repaired. The existing ring die repairing mode needs to disassemble the ring die for grinding and repairing, so that the time for replacing the die is increased, and the working surface needs to be ground and repaired through external machining.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the technical problem that the replacement ring die must be dismantled in the restoration of the working face of the existing ring die, the utility model provides a simple structure, reliable operation and convenient operation's the working face of the ring die grinds flat prosthetic devices.

The utility model provides a technical scheme that its technical problem adopted is: a grinding repair device for a working face of a ring die is provided with a mandrel, the rear end of the mandrel is fixedly connected with a main shaft disc of a granulator and is positioned in the center of the ring die, a long sliding sleeve is arranged on the mandrel, a short sliding sleeve is arranged on the long sliding sleeve in a sliding mode, a sliding sleeve flange is fixed at the rear end of the long sliding sleeve, guide pillars fixed with the sliding sleeve flange and axial lead screws connected with the sliding sleeve flange in a rotating mode are arranged on two sides of the long sliding sleeve respectively, one side of the short sliding sleeve is connected with the axial lead screws in a rotating mode, the other side of the short sliding sleeve is matched with the guide pillars in a sliding mode, and the axial lead screws drive the short sliding sleeve to move axially on the long sliding sleeve; a guide post sleeve synchronously moving with the short sliding sleeve is arranged on the guide post in a sliding manner, a mill support is fixed on the guide post sleeve, and a mill for grinding and repairing the working surface of the ring die is arranged on the mill support; and a radial screw rod is arranged below the short sliding sleeve, and the front end of the radial screw rod is in transmission connection with the guide column sleeve so as to adjust the circumferential position of the mill.

Specifically speaking, short sliding sleeve one side outer peripheral face rigid coupling have first otic placode, short sliding sleeve opposite side outer peripheral face rigid coupling have a pair of second otic placode of arranging apart from each other, first otic placode is connected with the transmission of axial lead screw, second otic placode cover establishes sliding fit on the guide pillar, guide pillar cover card establish between a pair of second otic placodes, the long sliding sleeve periphery rigid coupling that is located short sliding sleeve front side has a third otic placode, the optical axis section sliding fit of third otic placode and axial lead screw is equipped with the first retaining ring of centre gripping in third otic placode both sides on the axial lead screw.

Furthermore, the outer peripheral surface of the bottom side of the short sliding sleeve is fixedly connected with a pair of fourth lug plates, the outer peripheral surface of the bottom side of the guide column sleeve is fixedly connected with a pair of fifth lug plates, a first rotary column is arranged between the fourth lug plates, a second rotary column is arranged between the fifth lug plates, the radial screw rod penetrates through the first rotary column in a sliding mode and is connected with the second rotary column in a transmission mode, and second shaft retaining rings clamped on two sides of the first rotary column are arranged on the radial screw rod.

Furthermore, the mill support comprises a support with the lower end fixed with the guide post sleeve, the mill is fixed at the upper end of the support, and a reinforcing rib plate is fixedly connected between the side face of the support and the guide post sleeve.

For convenient connection, improve device stability in use, dabber rear end link firmly have be used for with the fixed dabber flange of ring die lateral wall, the dabber front end is connected with the lock nut that the axial compresses tightly long sliding sleeve.

The beneficial effects of the utility model are that, the utility model discloses an axis lead screw, radial lead screw regulation mill position along with the rotation of granulator ring mould, grind flat the restoration to the ring mould working face by the emery wheel on the mill, its simple structure, convenient operation need not to dismantle the ring mould during restoration, have reduced operation intensity, have improved work efficiency, have ensured the ring mould and have restoreed the precision.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a front view of the present invention.

Fig. 2 is a schematic view of the bottom view of the present invention.

In the figure: 1. the grinding machine comprises a mandrel, 2 parts of a long sliding sleeve, 3 parts of a short sliding sleeve, 4 parts of a sliding sleeve flange, 5 parts of a guide post, 6 parts of an axis lead screw, 7 parts of a guide post sleeve, 8 parts of a grinding machine support, 8 parts of a reinforcing rib plate, 9 parts of a grinding machine, 10 parts of a radial lead screw, 11 parts of a first lug plate, 12 parts of a second lug plate, 13 parts of a third lug plate, 14 parts of a first shaft retaining ring, 15 parts of a fourth lug plate, 16 parts of a fifth lug plate, 17 parts of a first rotating column, 18 parts of a second rotating column, 19 parts of a second shaft retaining ring, 20 parts of a mandrel flange, 21 parts of a locking nut, 22 parts of a grinding wheel.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in figures 1 and 2, the grinding repair device for the working surface of the ring die is provided with a mandrel 1 in the center of the ring die, and a mandrel flange 20 for fixing with a main shaft disc of a granulator is fixedly connected to the rear end of the mandrel 1, so that the device is integrally installed in the ring die.

Dabber 1 on be equipped with long sliding sleeve 2, the sliding sleeve flange 4 that leans on at dabber 1 step face is fixed with to long sliding sleeve 2 rear end, 1 front end of dabber is connected with the lock nut 21 that the axial compresses tightly long sliding sleeve 2 to be equipped with the parallel key in and be used for restricting long sliding sleeve 2 and rotate.

The long sliding sleeve 2 is provided with a short sliding sleeve 3 in a sliding manner, and two sides of the long sliding sleeve 2 are respectively provided with a guide pillar 5 fixed with a sliding sleeve flange 4 and an axial lead screw 6 rotatably connected with the sliding sleeve flange 4. The outer peripheral face of one side of the short sliding sleeve 3 is fixedly connected with a first lug plate 11, the outer peripheral face of the other side of the short sliding sleeve 3 is fixedly connected with a pair of second lug plates 12 which are arranged at a distance, the first lug plate 11 is in transmission connection with the axial lead screw 6, the second lug plates 12 are sleeved on the guide pillar 5 in sliding fit, the guide pillar 5 is provided with a guide pillar sleeve 7 in a sliding fit mode between the pair of second lug plates 12, the outer peripheral face of the long sliding sleeve 2 located on the front side of the short sliding sleeve 3 is fixedly connected with a third lug plate 13, the third lug plate 13 is in sliding fit with an optical axis section of the axial lead screw 6, and the axial lead screw 6 is provided with a first shaft retainer ring 14 clamped on two sides of the third lug plate 13. When the axial lead screw 6 drives the short sliding sleeve 3 to axially move on the long sliding sleeve 2, the guide post sleeve 7 synchronously moves the short sliding sleeve 3.

The short sliding sleeve 3 bottom side periphery rigid coupling have a pair of fourth otic placode 15, the guide post cover 7 bottom side periphery rigid coupling have a pair of fifth otic placode 16, be equipped with first rotary column 17 between the fourth otic placode 15, be equipped with second rotary column 18 between the fifth otic placode 16, be equipped with radial lead screw 10 between first rotary column 17 and the second rotary column 18, radial lead screw 10 slide and pass behind first rotary column 17 and be connected with the transmission of second rotary column 18, be equipped with the second collar 19 of centre gripping in first rotary column 17 both sides on radial lead screw 10.

A mill support 8 is fixed on the guide post sleeve 7, the mill support 8 comprises a support 8-1, the lower end of the support is fixed with the guide post sleeve 7, and a reinforcing rib plate 8-2 is fixedly connected between the side face of the support 8-1 and the guide post sleeve 7. The upper end of the bracket 8-1 is provided with a grinding machine 9, and an output shaft of the grinding machine 9 is provided with a grinding wheel 22 for grinding and repairing the working surface of the ring die.

When the circular mold grinding machine is used, the granulator is started to rotate the circular mold, the radial screw rods 10 are rotated to push the guide column sleeves 7 to rotate so as to adjust the circumferential position of the grinding machine 9, the axial screw rods 6 are rotated to push the short sliding sleeves 3 to axially move so as to adjust the axial position of the grinding machine 9, the moving length L of the axial movement of the grinding machine 9 is larger than the width of the working surface of the circular mold, the highest point of the working surface of the circular mold is found, and the grinding machine 9 is started to grind and repair the working surface of the circular mold through the grinding wheel 22.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a ring mould working face grinds flat prosthetic devices, has rear end and granulator spindle drum rigid coupling and is in dabber (1) at ring mould center, characterized by: the mandrel (1) is provided with a long sliding sleeve (2), the long sliding sleeve (2) is provided with a short sliding sleeve (3) in a sliding manner, the rear end of the long sliding sleeve (2) is fixed with a sliding sleeve flange (4), two sides of the long sliding sleeve (2) are respectively provided with a guide pillar (5) fixed with the sliding sleeve flange (4) and an axial lead screw (6) rotatably connected with the sliding sleeve flange (4), one side of the short sliding sleeve (3) is rotatably connected with the axial lead screw (6), the other side of the short sliding sleeve (3) is in sliding fit with the guide pillar (5), and the axial lead screw (6) drives the short sliding sleeve (3) to axially move on the long sliding sleeve (2); a guide post sleeve (7) which moves synchronously with the short sliding sleeve (3) is arranged on the guide post (5) in a sliding manner, a mill support (8) is fixed on the guide post sleeve (7), and a mill (9) for grinding and repairing the working surface of the ring die is arranged on the mill support (8); and a radial screw rod (10) is arranged below the short sliding sleeve (3), and the front end of the radial screw rod (10) is in transmission connection with the guide column sleeve (7) to adjust the circumferential position of the mill (9).

2. The ring die working face lapping repair apparatus of claim 1, wherein: short sliding sleeve (3) one side outer peripheral face rigid coupling have first otic placode (11), short sliding sleeve (3) opposite side outer peripheral face rigid coupling have a pair of second otic placode (12) of arranging apart from each other, first otic placode (11) are connected with axial lead screw (6) transmission, sliding fit on guide pillar (5) is established to second otic placode (12) cover, guide pillar cover (7) card establish between a pair of second otic placode (12), long sliding sleeve (2) periphery rigid coupling that is located short sliding sleeve (3) front side has third otic placode (13), third otic placode (13) and the optical axis section sliding fit of axial lead screw (6), be equipped with first retaining ring (14) of centre gripping in third otic placode (13) both sides on axial lead screw (6).

3. The ring die working face grinding repair device of claim 2, wherein: short sliding sleeve (3) bottom side outer peripheral face rigid coupling have a pair of fourth otic placode (15), guide post cover (7) bottom side outer peripheral face rigid coupling has a pair of fifth otic placode (16), be equipped with first rotary column (17) between fourth otic placode (15), be equipped with second rotary column (18) between fifth otic placode (16), radial lead screw (10) slide and be connected with second rotary column (18) transmission after passing first rotary column (17), be equipped with second axle retaining ring (19) of centre gripping in first rotary column (17) both sides on radial lead screw (10).

4. The ring die working face lapping repair apparatus of claim 1, wherein: the grinding machine support (8) comprises a support (8-1) with the lower end fixed with the guide post sleeve (7), the grinding machine (9) is fixed at the upper end of the support (8-1), and a reinforcing rib plate (8-2) is fixedly connected between the side face of the support (8-1) and the guide post sleeve (7).

5. The ring die working face lapping repair apparatus of claim 1, wherein: the rear end of the mandrel (1) is fixedly connected with a mandrel flange (20) used for being fixed with the side wall of the ring die, and the front end of the mandrel (1) is connected with a locking nut (21) which compresses the long sliding sleeve (2) axially.