CN213319608U

CN213319608U - Blade clamping and follow-up device for indexable blade peripheral grinding machine

Info

Publication number: CN213319608U
Application number: CN202022102703.9U
Authority: CN
Inventors: 郑玉才; 刘伟
Original assignee: Beijing Hi Powerful Cnc Machine Co ltd
Current assignee: Beijing Hi Powerful Cnc Machine Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-06-01
Anticipated expiration: 2030-09-23

Abstract

The utility model discloses a peripheral grinding machine of indexable blade presss from both sides tightly and servo-device with blade, including the gyration overcoat, the left top of gyration overcoat and bottom all set up threaded hole, the inner chamber threaded connection of screw hole has first screw. The utility model discloses a fixing base, the fifth sealing washer, first sealing washer, the second sealing washer, the third sealing washer, the cooperation of fourth sealing washer and fifth sealing washer is used, can be simple and convenient quick install this device, and guarantee the good sealed effect of this device, and the gyration dabber is through two angular contact bearings around, support in the gyration overcoat, its tail end compresses tightly through belleville spring, make the gyration dabber keep eliminating the axial clearance who presss from both sides tight direction, through bearing, be used for resisting the radial force that comes by synchronous pulley transmission, thereby can guarantee the gyration precision of blade accurately, and then the size precision and the symmetry of the indexable blade of grinding have been guaranteed.

Description

Blade clamping and follow-up device for indexable blade peripheral grinding machine

Technical Field

The utility model relates to a peripheral grinding machine technical field of indexable insert specifically is a peripheral grinding machine of indexable insert presss from both sides tightly and servo-device with blade.

Background

The peripheral grinder of indexable blade is suitable for grinding longer cutter, and can better keep the precision and straightness of the cutter, the strong grinding type end face sharpener designed for paper making, printing, wood processing, sharpening professional, sharpening center or large-scale tool industry, the main body is in a gantry type structure, the stroke adopts stepless speed regulation by a hydraulic device and is provided with automatic feeding of a grinding wheel, the stroke guide rail adopts a rolling linear guide rail, the sharpening angle is adjustable from 0 to 90 degrees, because the machine adopts the hydraulic device, the grinding head part has the characteristics of heavy quality, large power of a grinding head motor, large diameter of the grinding wheel and the like, the characteristics of stability and large grinding force are ensured, the current blade rotary driving mechanism of the peripheral grinder of numerical control blade is various, but the two indexes of transmission precision and service life can not be satisfied, the main problem is that under the condition of simultaneously receiving radial force and axial force, the radial and axial movement of the rotary mandrel is difficult to eliminate, and the working environment of the rotary device is very severe, and the environment is filled with mist-state cooling liquid and suspended particle alloy powder, so that the sealing requirement on a moving part is very high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but peripheral grinding machine of transposition blade presss from both sides tightly and servo unit with blade, possesses the advantage that the machining precision is high, has solved current blade rotary driving mechanism and has received under the condition of radial force and axial force simultaneously, is difficult to eliminate the gyration dabber and has radial and axial float, and because slewer's operational environment is very abominable moreover, is full of the coolant liquid of fog attitude and the particle alloy powder of suspension in the environment, consequently requires very high problem to the sealed of moving part.

In order to achieve the above object, the utility model provides a following technical scheme: a blade clamping and follow-up device for an indexable blade peripheral grinding machine comprises a rotary outer sleeve, wherein the top and the bottom of the left side of the rotary outer sleeve are respectively provided with a threaded hole, an inner cavity of the threaded hole is in threaded connection with a first screw, the left side of the rotary outer sleeve is provided with an end cover, the end cover is in threaded connection with the rotary outer sleeve through the first screw, two sides of the inner cavity of the rotary outer sleeve are respectively and fixedly connected with an angular contact bearing, an inner cavity between the two angular contact bearings is movably connected with a rotary mandrel, the right end of the rotary outer sleeve is provided with a fixed seat, the top and the bottom of the right side of the fixed seat are respectively in threaded connection with a second screw, the left end of the second screw is in threaded connection with the rotary outer sleeve, the right end of the rotary mandrel penetrates through the, the surface of gyration dabber just is located the right side of gyration overcoat inner chamber and overlaps from a left side to the right side in proper order and is equipped with first packing ring, belleville spring and second packing ring, the right side threaded connection who just is located the second packing ring on the surface of gyration dabber has second lock nut.

Preferably, the through-hole that cooperation gyration dabber used is seted up in the left side of end cover, and the first sealing washer of inner chamber fixedly connected with of through-hole, the surface of end cover just is located a pot head of gyration overcoat inner chamber and is equipped with the second sealing washer, the third sealing washer has all been seted up to the both sides on gyration overcoat surface.

Preferably, the right side of the end cover is in contact with the angular contact bearing, and the second locking nut is fixedly connected with the inner wall of the rotary outer sleeve through a first screw.

Preferably, needle roller bearings are respectively sleeved on two sides of the surface of one end, located in the inner cavity of the fixed seat, of the rotary mandrel, a fourth sealing ring is sleeved on the surface of the rotary mandrel and located between the two needle roller bearings, a fifth sealing ring is sleeved on the right side of the inner cavity of the fixed seat, and the inner wall of the fifth sealing ring is in contact with the surface of the rotary mandrel.

Preferably, the top that the gyration dabber is located belt pulley inner chamber one end has seted up the mounting groove, and the cotter key has been placed to the inner chamber of mounting groove, the inside in close contact with of top and belt pulley of cotter key.

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

1. the utility model discloses a fixing base, the fifth sealing washer, first sealing washer, the second sealing washer, the third sealing washer, the cooperation of fourth sealing washer and fifth sealing washer is used, can be simple and convenient quick install this device, and guarantee the good sealed effect of this device, and the gyration dabber is through two angular contact bearings around, support in the gyration overcoat, its tail end compresses tightly through belleville spring, make the gyration dabber keep eliminating the axial clearance who presss from both sides tight direction, through bearing, be used for resisting the radial force that comes by synchronous pulley transmission, thereby can guarantee the gyration precision of blade accurately, and then the size precision and the symmetry of the indexable blade of grinding have been guaranteed.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a first screw; 2. an end cap; 3. a rotating mandrel; 4. a rotary outer sleeve; 5. a second lock nut; 6. a fourth seal ring; 7. a fixed seat; 8. a fifth seal ring; 9. a pin key; 10. a first lock nut; 11. a first seal ring; 12. a second seal ring; 13. a third seal ring; 14. an angular contact bearing; 15. a first gasket; 16. a disc spring; 17. a second gasket; 18. a second screw; 19. a needle bearing; 20. a pulley.

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 components of the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known by the technical manual or by the conventional experimental method.

Referring to fig. 1, a blade clamping and following device for an indexable blade peripheral grinding machine comprises a rotary outer sleeve 4, wherein threaded holes are formed in the top and the bottom of the left side of the rotary outer sleeve 4, a first screw 1 is connected to the inner cavity of each threaded hole in a threaded manner, an end cover 2 is arranged on the left side of the rotary outer sleeve 4, the end cover 2 is in threaded connection with the rotary outer sleeve 4 through the first screw 1, a through hole matched with a rotary mandrel 3 is formed in the left side of the end cover 2, a first sealing ring 11 is fixedly connected to the inner cavity of the through hole, a second sealing ring 12 is sleeved on one end, located in the inner cavity of the rotary outer sleeve 4, of the surface of the end cover 2, third sealing rings 13 are arranged on two sides of the surface of the rotary outer sleeve 4, angular contact bearings 14 are fixedly connected to two sides of the inner cavity of the rotary outer sleeve 4, a rotary mandrel 3 is movably connected in an inner cavity between the two angular contact bearings 14, a fixed seat 7 is arranged at the right end of the rotary outer sleeve 4, needle roller bearings 19 are respectively sleeved at two sides of the surface of one end, located in the inner cavity of the fixed seat 7, of the rotary mandrel 3, a fourth sealing ring 6 is sleeved on the surface of the rotary mandrel 3 and between the two needle roller bearings 19, a fifth sealing ring 8 is sleeved on the right side of the inner cavity of the fixed seat 7, the inner wall of the fifth sealing ring 8 is in contact with the surface of the rotary mandrel 3, a second screw 18 is in threaded connection with the top and the bottom of the right side of the fixed seat 7, the left end of the second screw 18 is in threaded connection with the rotary outer sleeve 4, the right end of the rotary mandrel 3 penetrates through the right end of the fixed seat 7 and is sleeved with a belt pulley 20, an installation groove is formed in, the right end of the fixed seat 7 and the right side of the belt pulley 20 are in threaded connection with a first locking nut 10, the surface of the rotary mandrel 3 and the right side of the inner cavity of the rotary jacket 4 are sequentially sleeved with a first gasket 15, a disc spring 16 and a second gasket 17 from left to right, the surface of the rotary mandrel 3 and the right side of the second gasket 17 are in threaded connection with a second locking nut 5, the rotary mandrel can be simply, conveniently and quickly installed by matching the fixed seat 7, a fifth sealing ring 8, a first sealing ring 11, a second sealing ring 12, a third sealing ring 13, a fourth sealing ring 6 and the fifth sealing ring 8, and the good sealing effect of the device is ensured, in addition, the rotary mandrel 3 is supported in the rotary jacket 4 through a front angular contact bearing 14 and a rear angular contact bearing 14, the tail end of the rotary mandrel is pressed through the disc spring 16, so that the rotary mandrel 3 keeps eliminating, the rotational accuracy of the insert can be precisely ensured by the needle roller bearing 19 against the radial force transmitted from the timing pulley 20, thereby ensuring the dimensional accuracy and symmetry of the ground indexable insert.

When the device is used, the rotary mandrel 3 is fixed in the rotary outer sleeve 4 through the two angular contact bearings 14, the end cover 2 is fixed at the left end of the rotary outer sleeve 4 through the first screw 1 and is used for pressing the outer ring of the angular contact bearing 14 and is sealed through the first sealing ring 11 and the second sealing ring 12, the right angular contact bearing 14 is fixed on the rotary outer sleeve 4 through the first gasket 15, the disc spring 16 and the second gasket 17 in sequence and the second locking nut 5, so that the angular contact bearing 14 is guaranteed to be kept in a pressing state, the rotary mandrel 3 is fixed in the rotary outer sleeve 4 after clearance elimination, and the fixed seat 7 is fixed on the rotary outer sleeve 4 through the second screw 18 and the needle bearing 19; sealing work is performed through a fifth sealing ring 8; the belt pulley 20 is fixed on the rotary mandrel 3 through a pin key 9 and a first locking nut 10; after the assembly is finished, the rotary outer sleeve is fixed on a feeding device of a grinding machine through the fixing seat 7, and the third sealing rings 13 on the two sides of the surface of the rotary outer sleeve 4 play a role in sealing and buffering.

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 but peripheral grinding machine of transposition blade presss from both sides tightly and servo-device with blade, includes rotation overcoat (4), its characterized in that: the rotary sleeve is characterized in that threaded holes are formed in the top and the bottom of the left side of the rotary sleeve (4), a first screw (1) is in threaded connection with an inner cavity of each threaded hole, an end cover (2) is arranged on the left side of the rotary sleeve (4), the end cover (2) is in threaded connection with the rotary sleeve (4) through the first screw (1), angular contact bearings (14) are fixedly connected to the two sides of the inner cavity of the rotary sleeve (4), a rotary mandrel (3) is movably connected to the inner cavity between the two angular contact bearings (14), a fixing seat (7) is arranged at the right end of the rotary sleeve (4), second screws (18) are in threaded connection with the top and the bottom of the right side of the fixing seat (7), the left end of each second screw (18) is in threaded connection with the rotary sleeve (4), and a belt pulley (20) is sleeved on the right end, the right-hand member of fixing base (7) and the right side threaded connection who is located belt pulley (20) have first lock nut (10), the surface of gyration dabber (3) and the right side that is located gyration overcoat (4) inner chamber are equipped with first packing ring (15), belleville spring (16) and second packing ring (17) from a left side to the right side in proper order, the right side threaded connection who just is located second packing ring (17) on the surface of gyration dabber (3) has second lock nut (5).

2. The insert clamping and following device for an indexable insert peripheral grinding machine according to claim 1, wherein: the through-hole that cooperation gyration dabber (3) used is seted up in the left side of end cover (2), the first sealing washer (11) of inner chamber fixedly connected with of through-hole, the surface of end cover (2) and the pot head that is located gyration overcoat (4) inner chamber are equipped with second sealing washer (12), third sealing washer (13) have all been seted up to the both sides on gyration overcoat (4) surface.

3. The insert clamping and following device for an indexable insert peripheral grinding machine according to claim 1, wherein: the right side of the end cover (2) is in contact with an angular contact bearing (14), and the second locking nut (5) is fixedly connected with the inner wall of the rotary outer sleeve (4) through a first screw (1).

4. The insert clamping and following device for an indexable insert peripheral grinding machine according to claim 1, wherein: the improved rotary table is characterized in that needle roller bearings (19) are respectively sleeved on two sides of one end surface of the inner cavity of the fixed seat (7) of the rotary mandrel (3), a fourth sealing ring (6) is sleeved on the surface of the rotary mandrel (3) and between the two needle roller bearings (19), a fifth sealing ring (8) is sleeved on the right side of the inner cavity of the fixed seat (7), and the inner wall of the fifth sealing ring (8) is in contact with the surface of the rotary mandrel (3).

5. The insert clamping and following device for an indexable insert peripheral grinding machine according to claim 1, wherein: the top that gyration dabber (3) are located belt pulley (20) inner chamber one end has seted up the mounting groove, and round pin key (9) have been placed to the inner chamber of mounting groove, the inside in close contact with of the top of round pin key (9) and belt pulley (20).