CN219585130U - Tensioning device for conveying chain - Google Patents

Abstract

A tensioning device for a conveying chain relates to the technical field of tensioning: the baffle plate is provided with two baffle plates and is symmetrically arranged; the baffle is arranged in a double round head shape; a chain groove is formed at the position between the two baffles; a circle of conveying chains are looped in the chain groove; gears are arranged at the two ends of the baffle; the gears are symmetrically arranged; the gears are the same in size and are arranged on the guard board on the inner side through the rotating shaft; nuts are respectively arranged at the positions of the screw rods at the two ends of the screw rods at the positions between the guard plates; the nut is in threaded connection with the screw rod; when the rotary table is used, the gear is in meshed sealing connection with the rotary table, friction idle running between the gear and the rotary table is prevented when the rotary table rotates, and the bearing is arranged on the inner side of the rotary table far away from the gear and is fixedly connected with the rotary table in a fitting way.

Description

Tensioning device for conveying chain

Technical Field

The utility model particularly relates to the technical field of tensioning, in particular to a tensioning device for a conveying chain.

Background

The chain has good space property and wide application range, and can ensure that the work is continuously stopped through a high-temperature drying tunnel, a harmful gas area, a paint spray booth, paint dipping pretreatment, a freezing chamber, air storage and the like, and the production process that the work is difficult to operate is finished, thereby improving the labor condition of workers and improving the yield and quality of products. The chain is on the aerial material distribution in the workshop, and reasonable in design's scheme can be with the organic combination of relevant nodes such as warehouse, assembly line, can be in the commodity circulation in the maximum order workshop, produces bigger benefit.

Chinese patent publication No. CN201721176042.6 discloses a chain tensioner; comprising the following steps: the device comprises a clamping block, a screw rod, a sliding block, a distance adjusting piece and a fixing screw rod. The two distance adjusting plates are fixed on the frame by the fixing screw, the clamping blocks are connected with the sliding blocks into a whole by the screw, and the two sets of sliding blocks are integrally arranged at two ends of the distance adjusting plates to form the chain tensioning device. The chain tensioning device is installed in a chain tensioning mechanism, and the chain tensioning mechanism consists of a frame, a chain wheel and the chain tensioning device. The chain tensioning device can automatically adjust the phenomenon that the chain is slipped due to the fact that the chain becomes longer due to abrasion of the chain wheel and chain part in the running process, so that the chain wheel and chain part always keeps a stable working state in the running process.

The chain tensioning device in the above patent can only tension the chain inwards when tensioning the connection, so that when the tensioning space is not reserved in the interior, the device cannot meet the tensioning effect on the chain, and the tensioning device in the above patent can only tension the chain and cannot realize a loose state on the chain; therefore, the tensioning device in the patent has a great technical defect, and therefore, we provide a tensioning device for a conveying chain; can effectually solve the technical defect that exists among the above-mentioned patent, in this novel, the bearing that is connected in the inboard of linking the gear is provided with the ejector pin, the ejector pin is connected with the lead screw, be provided with the nut in the outside of ejector pin, through adjusting the tensioning of two nuts between two gears in realizing after the chain between two gears is not hard up, when two gears do not rotate, just need not the laminating that the chain is rather than tightly, make the chain between two gears take place not hard up condition like this, reduce the stress between the chain, guarantee the life of chain.

Disclosure of Invention

The utility model aims to provide a tensioning device for a conveying chain, which aims to solve the problems that the tensioning device for the conveying chain can only tension the chain inwards when tensioning connection, so that when a tensioning space is not reserved in the device, the tensioning device can not meet the tensioning effect on the chain, and the tensioning device in the patent can only tension the chain and can not realize a loose state on the chain; therefore, the tensioning device in the above patent has a problem of a large technical disadvantage.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the tensioning device for the conveying chain comprises two baffles which are symmetrically arranged; the baffle is arranged in a double round head shape; a chain groove is formed at the position between the two baffles; a circle of conveying chains are looped in the chain groove.

As a further technical scheme of the utility model, gears are arranged at the two ends of the baffle; the gears are symmetrically arranged; the gears are the same in size and are arranged on the guard board on the inner side through the rotating shaft; nuts are respectively arranged at the positions of the screw rods at the two ends of the screw rods at the positions between the guard plates; the nut is in threaded connection with the screw rod.

As a further technical scheme of the utility model, the screw rod is connected with the ejector rod through threads, and the ejector rod is fixedly connected with the bearing through a connecting column at one end far away from the screw rod.

As a further technical scheme of the utility model, the bearing is provided with a turntable at the outer side far away from the rotating shaft; the turntable is in meshed sealing connection with the gear.

As a further technical scheme of the utility model, the rotating shaft extends to the outside of the guard plate, and the guard plate are detachably and fixedly connected through the connecting plate.

As a further technical scheme of the utility model, the rotation diameter of the gear is larger than the diameter of the baffle; the intersection of the baffle and the gear is provided with a through groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the rotary table is used, the gear is meshed with the rotary table in a sealing way, so that friction idle running between the gear and the rotary table is prevented during rotation, and a bearing is arranged on the inner side of the rotary table far away from the gear and is fixedly connected with the rotary table in a fitting way;

2. according to the utility model, the connecting posts are arranged at the positions of two sides of the bearing, the connecting posts are fixedly connected with the ejector rods, the ejector rods are connected with the screw rods through threads at one end far away from the connecting posts, and two nuts are arranged on screw rod ropes outside the ejector rods; the two nuts are symmetrically arranged, when the chain between the two gears is loosened, the two nuts on the adjusting screw rod move to opposite positions against the ejector rods on the two bearings, so that the distance between the two gears is adjusted, and the tensioning effect of the chain is realized;

3. according to the utility model, when the two gears are not used, the distance between the two gears is reduced for protecting the chain, and the two nuts arranged on the screw rod are loosened to realize that the ejector rods on the two bearings move in the same direction, so that the distance between the two gears is reduced, the stress of the two gears on the chain is reduced, the tensioning force of the chain is ensured, and the stress and the service life of the chain are protected.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a plan view of fig. 1 in the present utility model.

Fig. 3 is a schematic view of the internal structure of fig. 1 in the present utility model.

In the figure: 1-chain groove, 2-baffle, 3-backplate, 4-pivot, 5-gear, 6-connecting plate, 7-lead screw, 8-nut, 9-carousel, 10-ejector pin, 11-spliced pole, 12-bearing.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, in an embodiment of the present utility model, a tensioning device for a conveying chain includes two baffles 2, where the baffles 2 are symmetrically installed; the baffle plate 2 is arranged in a double round head shape; a chain groove 1 is formed at a position between the two baffles 2; a circle of conveying chains are surrounded in the chain groove 1;

gears 5 are arranged at the two ends of the baffle 2; the gears 5 are symmetrically arranged; the gears 5 are the same in size and are arranged on the guard plate 3 on the inner side through the rotating shaft 4; screw rods 7 are arranged between the guard plates 3, and nuts 8 are respectively arranged at the two ends of the screw rods 7; the nut 8 is in threaded connection with the screw rod 7;

through adopting above-mentioned technical scheme, when using, with gear 5 and carousel 9 meshing sealing connection, prevent to take place the circumstances of friction idle running between gear 5 and the carousel 9 when the pivoted, be provided with bearing 12 in the inboard that carousel 9 kept away from gear 5, bearing 12 and carousel 9 laminating fixed connection.

The screw rod 7 is connected with the ejector rod 10 through threads, and the ejector rod 10 is fixedly connected with the bearing 12 through the connecting column 11 at one end far away from the screw rod 7.

By adopting the technical scheme, the connecting columns 11 are arranged at the positions of the two sides of the bearing 12, the connecting columns 11 are fixedly connected with the ejector rod 10, the ejector rod 10 is in threaded connection with the screw rod 7 at one end far away from the connecting columns 11, and two nuts 8 are arranged on the screw rod 7 rope outside the ejector rod 10; the two nuts 8 are symmetrically arranged, when the chain between the two gears 5 is loosened, the two nuts 8 on the adjusting screw rod 7 are propped against the ejector rods 10 on the two bearings 12 to move to opposite positions, so that the distance between the two gears 5 is adjusted, and the chain tensioning effect is realized.

In the embodiment, the bearing 12 is provided with a turntable 9 at the outer side far away from the rotating shaft 4; the rotary disk 9 is engaged with the gear 5 in a sealing way.

Specifically, the rotating shaft 4 extends to the outside of the guard plate 3, and the guard plate 3 is detachably and fixedly connected with the baffle plate 2 through the connecting plate 6.

The rotation diameter of the gear 5 is larger than the diameter of the baffle plate 2; the intersection of the baffle plate 2 and the gear 5 is provided with a through groove.

Through adopting above-mentioned technical scheme, when two gears 5 do not use, in order to protect the chain, adjust the interval between two gears 5 little, through loosening two nuts 8 that set up on the lead screw 7, realize that ejector pin 10 on two bearings 12 moves to the same direction to the interval before realizing two gears 5 diminishes, reduces the stress of two gears 5 to the chain, guarantees the tensioning force of chain, protection chain's stress and life.

The working principle of the utility model is as follows: when in use, the gear 5 is meshed with the turntable 9 in a sealing way, so that friction and idle running between the gear 5 and the turntable 9 are prevented during rotation, a bearing 12 is arranged on the inner side of the turntable 9 far away from the gear 5, and the bearing 12 is fixedly connected with the turntable 9 in a fitting way;

connecting columns 11 are arranged at the positions of two sides of the bearing 12, the connecting columns 11 are fixedly connected with the ejector rod 10, the ejector rod 10 is connected with the screw rod 7 through threads at one end far away from the connecting columns 11, and two nuts 8 are arranged on the screw rod 7 rope outside the ejector rod 10; the two nuts 8 are symmetrically arranged, when the chain between the two gears 5 is loosened, the two nuts 8 on the adjusting screw rod 7 move to opposite positions against the ejector rods 10 on the two bearings 12, so that the distance between the two gears 5 is adjusted, and the tensioning effect of the chain is realized;

when the two gears 5 are not used, in order to protect the chain, the distance between the two gears 5 is reduced, and by loosening the two nuts 8 arranged on the screw rod 7, the ejector rods 10 on the two bearings 12 move in the same direction, so that the distance between the two gears 5 is reduced, the stress of the two gears 5 on the chain is reduced, the tensioning force of the chain is ensured, and the stress and the service life of the chain are protected.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (5)

1. A tensioner for a conveyor chain, characterized in that: the device comprises a baffle (2), wherein the baffle (2) is provided with two plates and is symmetrically arranged; the baffle (2) is arranged in a double round head shape; a chain groove (1) is formed at the position between the two baffles (2); a circle of conveying chains are looped in the chain groove (1);

gears (5) are arranged at the two ends of the baffle (2); the gears (5) are symmetrically arranged; the gears (5) are the same in size and are arranged on the guard board (3) on the inner side through the rotating shaft (4); screw rods (7) are arranged between the guard plates (3), and nuts (8) are respectively arranged at the two ends of the screw rods (7); the nut (8) is in threaded connection with the screw rod (7).

2. The tensioner for a conveyor chain according to claim 1, wherein: the screw rod (7) is connected with the ejector rod (10) through threads, and the ejector rod (10) is fixedly connected with the bearing (12) through the connecting column (11) at one end far away from the screw rod (7).

3. The tensioner as claimed in claim 2, wherein: the bearing (12) is provided with a turntable (9) at the outer side far away from the rotating shaft (4); the rotary disc (9) is in meshed sealing connection with the gear (5).

4. A tensioner for a conveyor chain according to claim 3, characterized in that: the rotating shaft (4) extends to the outside of the guard plate (3), and the guard plate (3) is detachably and fixedly connected with the baffle plate (2) through the connecting plate (6).

5. The tensioner for a conveyor chain as in claim 4 wherein: the rotating diameter of the gear (5) is larger than the diameter of the baffle (2); the intersection of the baffle plate (2) and the gear (5) is provided with a through groove.