CN212338055U

CN212338055U - Chain tensioning device of ingot casting machine

Info

Publication number: CN212338055U
Application number: CN202020939827.XU
Authority: CN
Inventors: 张奎; 杨正群; 贾伟
Original assignee: Xiangyang Yuanrui Resource Engineering Technology Co ltd
Current assignee: Xiangyang Yuanrui Resource Engineering Technology Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2021-01-12
Anticipated expiration: 2030-05-27

Abstract

The utility model relates to the field of machinary, a ingot casting machine chain tensioning device is disclosed, including support body, rotation connect in the sprocket pivot of support body, sliding connection in the bearing frame of support body, threaded connection has adjusting screw on the support body, and adjusting screw hugs closely bearing frame one end and is connected with spring holder one, and the bearing frame is close to adjusting screw one end and is connected with spring holder two, and the cover is equipped with the regulating spring who is located spring holder one and spring holder two on the adjusting screw. The utility model has the advantages of it is following and effect: the adjusting screw pushes the adjusting spring to compress, and the tightness of the chain is adjusted through the adjusting spring, so that the bearing only bears pressure, and the service life of the bearing seat is prolonged; secondly, the tapered roller bearing is sleeved on the rotating convex part, so that the friction between the adjusting screw rod and the spring seat I is reduced, and the rotation of the adjusting screw rod is more convenient; and thirdly, a buffer gasket is connected to the guide cylinder, so that rigid collision between the first spring seat and the second spring seat is avoided.

Description

Chain tensioning device of ingot casting machine

Technical Field

The utility model relates to the technical field of machinery, in particular to ingot casting machine chain overspeed device tensioner.

Background

Ingot casting machine is including the casting distributor, the conveyer belt, set up casting die utensil on the conveyer belt, sprocket chain drive is chooseed for use to the conveyer belt, however the chain in the equipment can use more loose more, just need expand tightly after using a period, the current chain of trade tight mechanism that expands, be through screw rod and take the direct rigid connection of slider seat insert bearing, when needing taut chain, the bearing bears the pulling force, when needing the pine chain, the bearing bears pressure, because the bearing frame is the iron casting, can bear pressure but should not bear the pulling force, after equipment uses a period, the bearing frame is broken, seriously influence production.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an ingot casting machine chain overspeed device tensioner has extension bearing frame life's effect.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an ingot casting machine chain overspeed device tensioner which characterized in that: including the support body, rotate connect in the sprocket pivot of support body, sliding connection in the bearing frame of support body, be provided with in the bearing frame with the sprocket pivot rotates the antifriction bearing of connecting, threaded connection has adjusting screw on the support body, adjusting screw is close to bearing frame one end is connected with spring holder one, the bearing frame is close to adjusting screw one end is connected with spring holder two, the last cover of adjusting screw is equipped with and is located regulating spring between spring holder one and the spring holder two.

Through adopting above-mentioned technical scheme, threaded connection adjusting screw on the support body, and connect spring holder one at adjusting screw tip, connect spring holder two on the bearing frame, when the chain is loose, it promotes the spring holder and moves to one side near spring holder two directions and slide to rotate adjusting screw, adjusting spring atress compression, thereby it slides to keeping away from spring holder direction to promote the bearing frame, the tensioning to the chain has been realized, adjusting screw direct and bearing frame rigid contact have been avoided simultaneously, bearing pressure of bearing has been guaranteed when adjusting the chain elasticity, adjusting spring also can absorb the alternating load that the sprocket produced in the use simultaneously, the effect of the life of extension bearing frame has been realized.

The utility model discloses a further set up to: and the first spring seat and the second spring seat are respectively provided with a first guide cylinder and a second guide cylinder which extend into the adjusting spring.

Through adopting above-mentioned technical scheme, stretch into adjusting spring with guide cylinder two respectively in, avoided the spring crooked, improved the stability of adjusting spring when adjusting the elasticity.

The utility model discloses a further set up to: the first guide cylinder is provided with a rod cavity for the end part of the adjusting screw rod to extend into, the end part of the adjusting screw rod extending into the rod cavity is provided with a rotating convex part, and the bottom of the rod cavity is provided with a positioning hole for the rotating convex part to extend into.

Through adopting above-mentioned technical scheme, stretch into the pole chamber with adjusting screw to make and rotate the convex part and stretch into the locating hole and fix a position, improved adjusting screw and rotated the stability of in-process.

The utility model discloses a further set up to: the rotating convex part is sleeved with a tapered roller bearing positioned in the rod cavity.

Through adopting above-mentioned technical scheme, establish tapered roller bearing through the cover on rotating the convex part, reduced adjusting screw and spring holder friction within a definite time, make adjusting screw's rotation more convenient.

The utility model discloses a further set up to: and the first spring seat and the second spring seat are respectively provided with a limiting groove for embedding the end part of the adjusting spring, and an anti-skid gasket is arranged in the limiting groove.

By adopting the technical scheme, the anti-slip gaskets are respectively arranged between the adjusting spring and the first spring seat and the second spring seat, so that the static friction force between the adjusting spring and the first spring seat and between the adjusting spring and the second spring seat is improved, and the adjusting spring is more stable in the rotating process of the adjusting screw rod.

The utility model discloses a further set up to: the guide cylinder II is provided with a buffer cavity for the rotary convex part to stretch out one end of the positioning hole to stretch into in a sliding mode, a buffer plate is connected in the buffer cavity in a sliding mode, and a buffer spring is arranged between the buffer plate and the bottom of the guide cylinder II.

Through adopting above-mentioned technical scheme, at the buffer chamber internal sliding connection buffer board, set up buffer spring between buffer board and buffer chamber, when rotating the convex part and stretching into the buffer chamber, rotate the convex part and promote the buffer board and slide in the buffer chamber, buffer spring atress compression has avoided rotating the rigid contact of convex part and spring holder two, has improved the life of spring holder two.

The utility model discloses a further set up to: an elastic buffer washer is connected to the first guide cylinder end portion, close to the second guide cylinder end portion, and a rotating hole for the rotating convex portion to extend out is formed in the buffer washer.

Through adopting above-mentioned technical scheme, connect the buffer washer on the guide cylinder, avoid taking place rigid collision between spring holder one and the spring holder two when the sprocket receives alternating load, improve the life of spring holder one and spring holder two.

The utility model has the advantages that:

1. the adjusting screw rod is used for pushing the adjusting spring to compress, the tightness of the chain is adjusted through the compressed adjusting spring, the tightness of the chain is adjusted, the bearing pressure of the bearing is guaranteed, and the service life of the bearing seat is prolonged.

2. The tapered roller bearing is sleeved on the rotating convex part, so that the friction between the adjusting screw rod and the spring seat is reduced, and the rotation of the adjusting screw rod is more convenient.

3. The buffer washer is connected to the guide cylinder, so that rigid collision between the first spring seat and the second spring seat when the chain wheel is subjected to alternating load is avoided, and the service life of the first spring seat and the service life of the second spring seat are prolonged.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a structural entity diagram of the present embodiment.

Fig. 2 is an enlarged view of the embodiment a.

In the figure, 1, a frame body; 2. a bearing seat; 21. a sprocket wheel shaft; 3. adjusting the screw rod; 31. adjusting the nut; 32. locking the nut; 33. rotating the convex part; 4. adjusting the spring; 5. a first spring seat; 51. a first guide cylinder; 52. a tapered roller bearing; 53. a cushion washer; 6. a second spring seat; 61. a limiting groove; 62. an anti-slip gasket; 63. a buffer plate; 64. a buffer spring; 65. and a second guide cylinder.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the embodiment, as shown in fig. 1 and fig. 2, the chain tensioning device for the ingot casting machine comprises a frame body 1, a sprocket rotating shaft 21 rotatably connected to the frame body 1, and a bearing seat 2 slidably connected to the frame body 1, wherein a rolling bearing rotatably connected to the sprocket rotating shaft 21 is arranged in the bearing seat 2, an adjusting nut 31 is welded in the frame body 1 on the left side, an adjusting screw 3 is connected to the adjusting nut 31 in a threaded manner, the adjusting screw 3 extends out of the frame body 1 from the right side, a spring seat i 5 is connected to one end of the adjusting screw 3, which is close to the adjusting screw 3, a spring seat ii 6 is connected to one end of the bearing seat 2, a guide cylinder i 51 and a guide cylinder ii 65 are respectively arranged on the spring seat i 5 and the spring seat ii 6, an adjusting spring 4 located between the spring seat i 5 and the spring seat ii 6 is sleeved on the adjusting screw 3, the guide cylinder i 51 and, rotating adjusting screw 3 and locking adjusting screw 3 through lock nut, 3 right-hand members of adjusting screw promote spring holder one 5 to sliding to the second 6 directions of spring seat that are close to, adjusting spring 4 atress compression, thereby promote bearing frame 2 to sliding to keeping away from spring holder one 5 directions, the tensioning to the chain has been realized, adjusting screw 3 has been avoided direct and 2 rigid contact of bearing frame, the bearing pressure of bearing has been guaranteed, adjusting spring 4 also can absorb the alternating load that the sprocket produced in the use simultaneously, the effect of the life of extension bearing frame 2 has been realized.

As shown in fig. 2, the first spring seat 5 and the second spring seat 6 are respectively provided with a limiting groove 61 for embedding the end of the adjusting spring 4, and an anti-slip gasket 62 is arranged in the limiting groove 61, so that the static friction force between the adjusting spring 4 and the first spring seat 5 and the second spring seat 6 is improved, and the adjusting spring 4 is more stable in the rotating process of the adjusting screw 3. A rod cavity for the end part of the adjusting screw rod 3 to extend into is formed in the first guide cylinder 51, a rotating convex part 33 is arranged at the end part of the adjusting screw rod 3 extending into the rod cavity, and a tapered roller bearing 52 located in the rod cavity is sleeved on the rotating convex part 33, so that friction between the adjusting screw rod 3 and the first spring seat 5 is reduced, and the adjusting screw rod 3 can rotate more conveniently. The bottom of the rod cavity is provided with a positioning hole for the rotary convex part 33 to extend into, the second guide cylinder 65 is provided with a buffer cavity for the rotary convex part 33 to extend out of one end of the positioning hole and extend into in a sliding manner, the buffer cavity is internally provided with a buffer plate 63 in a sliding manner, a buffer spring 64 is arranged between the buffer plate 63 and the bottom of the second guide cylinder 65, the rotary convex part 33 extends into the buffer cavity, the rotary convex part 33 pushes the buffer plate 63 to slide in the buffer cavity, the buffer spring 64 is compressed under stress, the rigid contact between the rotary convex part 33 and the second spring seat 6 is avoided, and the service life of the second spring seat. An elastic buffer gasket 53 is connected to the end part of the first guide cylinder 51 close to the second guide cylinder 65 to buffer the direct contact of the first guide cylinder 51 and the second guide cylinder 65, and a rotating hole for the rotating convex part 33 to extend out is formed in the buffer gasket 53.

When the chain tensioning device of the ingot casting machine is used, the first spring seat 5 is pushed to slide on the frame body 1 by rotating the adjusting screw rod 3, so that the adjusting spring 4 is compressed and released, and the tensioning force of the chain is adjusted.

Claims

1. The utility model provides an ingot casting machine chain overspeed device tensioner which characterized in that: including support body (1), rotate connect in sprocket pivot (21), the sliding connection of support body (1) in bearing frame (2) of support body (1), be provided with in bearing frame (2) with sprocket pivot (21) rotate the antifriction bearing of connecting, threaded connection has adjusting screw (3) on support body (1), adjusting screw (3) are close to bearing frame (2) one end is connected with spring holder (5), bearing frame (2) are close to adjusting screw (3) one end is connected with spring holder two (6), the cover is equipped with and is located adjusting spring (4) between spring holder (5) and the spring holder two (6) on adjusting screw (3).

2. The chain tensioner as set forth in claim 1, wherein: the first spring seat (5) and the second spring seat (6) are respectively provided with a first guide cylinder (51) and a second guide cylinder (65) which extend into the adjusting spring (4).

3. The chain tensioner as set forth in claim 2, wherein: a rod cavity for the end part of the adjusting screw rod (3) to extend into is arranged on the first guide cylinder (51), a rotating convex part (33) is arranged at the end part of the adjusting screw rod (3) extending into the rod cavity, and a positioning hole for the rotating convex part (33) to extend into is arranged at the bottom of the rod cavity.

4. The chain tensioner as set forth in claim 3, wherein: the rotating convex part (33) is sleeved with a tapered roller bearing (52) positioned in the rod cavity.

5. The chain tensioner as set forth in claim 1, wherein: and the first spring seat (5) and the second spring seat (6) are respectively provided with a limiting groove (61) for embedding the end part of the adjusting spring (4), and an anti-skid gasket (62) is arranged in the limiting groove (61).

6. The chain tensioner as set forth in claim 3, wherein: the guide cylinder II (65) is provided with a buffer cavity for the rotary convex part (33) to stretch out, one end of the positioning hole is slidably stretched into, the buffer cavity is internally slidably connected with a buffer plate (63), the buffer plate (63), and a buffer spring (64) is arranged between the buffer plate (63) and the bottom of the guide cylinder II (65).

7. The chain tensioner as set forth in claim 3, wherein: the end part, close to the guide cylinder II (65), of the guide cylinder I (51) is connected with an elastic buffer gasket (53), and a rotating hole for the rotating convex part (33) to extend out is formed in the buffer gasket (53).