CN217315908U

CN217315908U - Dustproof structure of lathe spindle

Info

Publication number: CN217315908U
Application number: CN202122170183.XU
Authority: CN
Inventors: 陈华强
Original assignee: Kunshan Diruike Precision Machinery Co ltd
Current assignee: Kunshan Diruike Precision Machinery Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-08-30
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a dustproof construction of lathe main shaft, including the headstock, the inside of headstock is provided with the main shaft, the outside of main shaft is rotated and has been cup jointed sealed piece, sealed piece and headstock contact, fixedly connected with seal cover on the sealed piece, seal cover and headstock contact, the last contact of seal cover has the gag lever post, fixedly connected with lug on the gag lever post, sliding connection has the fixing base on the lug, fixing base and gag lever post contact, fixing base and headstock contact, fixing base and seal cover fixed connection, fixedly connected with dead lever on the headstock, dead lever and gag lever post sliding connection. The utility model discloses a sealed piece of design and the effect of seal cover can play a sealed effect to main shaft and headstock junction to can prevent that the dust from getting into the headstock in, effectively prevent the dust to the damage of headstock, the seal cover is convenient for dismantle convenient and fast simultaneously.

Description

Dustproof structure of lathe spindle

Technical Field

The utility model relates to a lathe spindle technical field specifically is a lathe spindle's dustproof construction.

Background

The machine tool spindle refers to a shaft which drives a workpiece or a cutter to rotate on the machine tool. The spindle unit is generally composed of a spindle, a bearing, a transmission, and the like. The lathe spindle is used for supporting transmission parts, transmitting motion and torque, clamping workpieces, mounting a cutter and cutting the workpieces. When the existing lathe spindle is used, the sealing performance of the joint of the spindle and the spindle box is insufficient, when the spindle is sealed, a sealing ring and the spindle can rub, the sealing ring needs to be replaced after being used for a period of time, and the sealing ring is inconvenient to detach.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lathe spindle's dustproof construction has solved the not enough problem of main shaft and headstock junction leakproofness, has still solved the problem that the sealing washer is not convenient for dismantle.

In order to achieve the above object, the utility model provides a following technical scheme: a dustproof structure of a lathe spindle comprises a spindle box, a spindle is arranged in the spindle box, a sealing block is rotatably sleeved on the outer side of the spindle and is in contact with the spindle box, a sealing sleeve is fixedly connected onto the sealing block and is in contact with the spindle box, a limiting rod is in contact with the sealing sleeve, a convex block is fixedly connected onto the limiting rod, a fixed seat is slidably connected onto the convex block and is in contact with the limiting rod, the fixed seat is in contact with the spindle box and is fixedly connected with the sealing sleeve, a fixed rod is fixedly connected onto the spindle box and is in sliding connection with the limiting rod, a first spring is arranged on the outer side of the fixed rod, a fixed ring is fixedly connected onto the fixed rod, a through groove is formed in the sealing sleeve, a connecting rod is fixedly connected into the through groove, a second spring is arranged on the outer side of the connecting rod, the utility model discloses a seal ring, including connecting rod, go up fixedly connected with go-between on the connecting rod, the outside of connecting rod slides and has cup jointed the connecting block, connecting block and logical groove sliding connection, fixedly connected with go-between on the connecting block, go-between and seal cover contact, fixedly connected with stopper on the connecting block, the last sealing washer that contacts of stopper, the sealing washer contacts with seal cover and main shaft respectively, fixedly connected with fixture block on the sealing washer, sliding connection has the limiting plate on the fixture block, limiting plate and seal cover fixed connection, the limiting plate contacts with the sealing washer.

Preferably, the fixing seat is provided with a groove, and a convex block is connected to the inside of the groove in a sliding manner.

Preferably, a through hole is formed in the limiting rod, and a fixing rod is connected to the inside of the through hole in a sliding mode.

Preferably, one end of the first spring is fixedly connected with the fixing ring, and the other end of the first spring is fixedly connected with the limiting rod.

Preferably, one end of the second spring is in contact with the connecting block, and the other end of the second spring is in contact with the sealing sleeve.

Preferably, the limiting plate is provided with a limiting groove, and a clamping block is slidably connected inside the limiting groove.

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

1. the utility model discloses a sealed piece of design and the effect of seal cover can play a sealed effect to main shaft and headstock junction to can prevent that the dust from getting into the headstock in, effectively prevent the dust to the damage of headstock, the seal cover is convenient for dismantle convenient and fast simultaneously.

2. The utility model discloses a design the effect of sealing washer, can play the effect of a sealed protection to the main shaft, can prevent that the dust from causing the influence to the main shaft, through the contact of stopper and sealing washer, can play a limiting displacement to the sealing washer, the stopper is convenient for separate with the sealing washer simultaneously to the feasible dismantlement of being convenient for carry on the sealing washer is changed.

Drawings

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

fig. 2 is a front cross-sectional view of the present invention in fig. 1;

fig. 3 is an enlarged view of a point a of fig. 2 according to the present invention.

In the figure: 1. a main spindle box; 2. a main shaft; 3. a sealing block; 4. a sealing sleeve; 5. a limiting rod; 6. a bump; 7. a fixed seat; 8. a groove; 9. a fixing rod; 10. a through groove; 11. a first spring; 12. a fixing ring; 13. a through groove; 14. a connecting rod; 15. a second spring; 16. connecting blocks; 17. a connecting ring; 18. a limiting block; 19. a seal ring; 20. a clamping block; 21. a limiting plate; 22. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1, 2 and 3, a dustproof structure of a lathe spindle comprises a spindle box 1, a spindle 2 is arranged inside the spindle box 1, a sealing block 3 is rotatably sleeved outside the spindle 2, the sealing block 3 is in contact with the spindle box 1, a sealing sleeve 4 is fixedly connected to the sealing block 3, the sealing sleeve 4 is in contact with the spindle box 1, a limiting rod 5 is in contact with the sealing sleeve 4, a bump 6 is fixedly connected to the limiting rod 5, a fixing seat 7 is slidably connected to the bump 6, the fixing seat 7 is in contact with the limiting rod 5, the fixing seat 7 is in contact with the spindle box 1, the fixing seat 7 is fixedly connected to the sealing sleeve 4, a fixing rod 9 is fixedly connected to the spindle box 1, the fixing rod 9 is slidably connected to the limiting rod 5, a first spring 11 is arranged outside the fixing rod 9, a fixing ring 12 is fixedly connected to the fixing rod 9, a through groove 13 is formed in the sealing sleeve 4, and a connecting rod 14 is fixedly connected to the inside the through groove 13, the outside of connecting rod 14 is provided with second spring 15, connecting block 16 has been cup jointed in the outside slip of connecting rod 14, connecting block 16 and logical groove 13 sliding connection, fixedly connected with go-between 17 on connecting block 16, go-between 17 and the contact of seal cover 4, fixedly connected with stopper 18 on connecting block 16, stopper 18 goes up the contact has sealing washer 19, sealing washer 19 contacts with seal cover 4 and main shaft 2 respectively, fixedly connected with fixture block 20 on the sealing washer 19, sliding connection has limiting plate 21 on the fixture block 20, limiting plate 21 and seal cover 4 fixed connection, limiting plate 21 contacts with sealing washer 19.

Referring to fig. 1 and 2, a groove 8 is formed on the fixing base 7, and a protrusion 6 is slidably connected inside the groove 8. By designing the groove 8 such that the projection 6 can slide within the groove 8.

Referring to fig. 1 and 2, a through hole 10 is formed on the limiting rod 5, and a fixing rod 9 is slidably connected inside the through hole 10. The through hole 10 is designed to allow the stopper rod 5 to slide along the fixing rod 9.

Referring to fig. 1 and 2, one end of the first spring 11 is fixedly connected to the fixing ring 12, and the other end of the first spring 11 is fixedly connected to the limiting rod 5. The first spring 11 is designed so that the force of the first spring 11 can act on the stopper rod 5.

Referring to fig. 1 and 2, one end of the second spring 15 is in contact with the connecting block 16, and the other end of the second spring 15 is in contact with the sealing sleeve 4. The second spring 15 is designed such that the force of the second spring 15 acts on the connecting piece 16.

Referring to fig. 1, 2 and 3, a limiting groove 22 is formed on the limiting plate 21, and a locking block 20 is slidably connected inside the limiting groove 22. The stopper groove 22 is designed such that the latch 20 can slide in the stopper groove 22.

The utility model discloses the concrete implementation process as follows: during the use, through the effect of sealed piece 3 and seal cover 4, can play a sealed effect to main shaft 2 and headstock 1 junction, thereby can prevent that the dust from getting into headstock 1, the damage of dust to headstock 1 has effectively been prevented, when needs are dismantled seal cover 4, outside pulling gag lever post 5 earlier, gag lever post 5 can slide along dead lever 9, gag lever post 5 can extrude first spring 11, can drive lug 6 when gag lever post 5 removes, make lug 6 and the recess 8 separation on the fixing base 7, then rotate seal cover 4, seal cover 4 drives fixing base 7 and rotates, seal cover 4 rotates 180, can directly go down seal cover 4, and is convenient and fast. Through the effect of sealing washer 19, can play a sealed effect of protecting to main shaft 2, can prevent that the dust from causing the influence to main shaft 2, contact through stopper 18 and sealing washer 19, can play a limiting displacement to sealing washer 19, when needing to dismantle the change to sealing washer 19, remove seal cover 4 earlier, then to the direction pulling go-between 17 that is close to gag lever post 5, go-between 17 drives connecting block 16 and removes, connecting block 16 can extrude second spring 15, connecting block 16 can drive stopper 18 and remove simultaneously, make stopper 18 and sealing washer 19 separate, then press sealing washer 19 through the one end of limiting plate 21, can separate sealing washer 19 and seal cover 4, thereby make the dismantlement change of sealing washer 19 of being convenient for carry out.

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 dustproof construction of lathe main shaft, includes headstock (1), its characterized in that: the spindle box comprises a spindle box body (1), a spindle (2) is arranged in the spindle box body (1), a sealing block (3) is rotatably sleeved on the outer side of the spindle (2), the sealing block (3) is in contact with the spindle box body (1), a sealing sleeve (4) is fixedly connected to the sealing block (3), the sealing sleeve (4) is in contact with the spindle box body (1), a limiting rod (5) is in contact with the sealing sleeve (4), a convex block (6) is fixedly connected to the limiting rod (5), a fixing seat (7) is connected to the convex block (6) in a sliding mode, the fixing seat (7) is in contact with the limiting rod (5), the fixing seat (7) is in contact with the spindle box body (1), the fixing seat (7) is fixedly connected to the sealing sleeve (4), a fixing rod (9) is fixedly connected to the spindle box body (1), the fixing rod (9) is in sliding connection with the limiting rod (5), a first spring (11) is arranged on the outer side of the fixing rod (9), the fixing rod (9) is fixedly connected with a fixing ring (12), the sealing sleeve (4) is provided with a through groove (13), the inside of the through groove (13) is fixedly connected with a connecting rod (14), the outer side of the connecting rod (14) is provided with a second spring (15), the outer side of the connecting rod (14) is slidably sleeved with a connecting block (16), the connecting block (16) is slidably connected with the through groove (13), the connecting block (16) is fixedly connected with a connecting ring (17), the connecting ring (17) is in contact with the sealing sleeve (4), the connecting block (16) is fixedly connected with a limiting block (18), the limiting block (18) is in contact with a sealing ring (19), the sealing ring (19) is respectively in contact with the sealing sleeve (4) and the main shaft (2), the sealing ring (19) is fixedly connected with a clamping block (20), and the clamping block (20) is slidably connected with a limiting plate (21), the limiting plate (21) is fixedly connected with the sealing sleeve (4), and the limiting plate (21) is in contact with the sealing ring (19).

2. The dustproof structure of a lathe spindle according to claim 1, characterized in that: a groove (8) is formed in the fixed seat (7), and a convex block (6) is connected to the inside of the groove (8) in a sliding mode.

3. The dustproof structure of a lathe spindle according to claim 1, characterized in that: a through hole (10) is formed in the limiting rod (5), and a fixing rod (9) is connected to the inside of the through hole (10) in a sliding mode.

4. The dustproof structure of a lathe spindle according to claim 1, characterized in that: one end of the first spring (11) is fixedly connected with the fixing ring (12), and the other end of the first spring (11) is fixedly connected with the limiting rod (5).

5. The dustproof structure of a lathe spindle according to claim 1, characterized in that: one end of the second spring (15) is in contact with the connecting block (16), and the other end of the second spring (15) is in contact with the sealing sleeve (4).

6. The dustproof structure of a lathe spindle according to claim 1, characterized in that: the limiting plate (21) is provided with a limiting groove (22), and a clamping block (20) is connected to the inside of the limiting groove (22) in a sliding mode.