CN219928726U - Automatic chain tensioning mechanism of chain plate conveyor - Google Patents

Abstract

The utility model discloses an automatic chain tensioning mechanism of a chain plate conveyor, which comprises a chain wheel, a chain connected to the chain wheel and a fixed plate arranged on the chain, wherein a fixed sleeve is fixed at the rear end of the fixed plate, a threaded sleeve is connected inside the fixed sleeve through a driving part, the top end and the bottom end of the threaded sleeve are hinged with a pushing rod through a hinging rod, and a clamping plate for clamping the chain is fixed at the top of the pushing rod. This automatic straining device of chain of link joint conveyer drives the lead screw rotation through opening driving motor, thereby can drive the thread bush and move forward under the effect of screw thread, and the thread bush can drive articulated pole at the inside slip of guide slot this moment to articulated pole pulling catch bar and splint downwardly moving, splint can drive the chain of upper and lower both sides and remove in opposite directions, reaches and tightens up the effect, and this kind of mode can drive the chain of upper and lower both sides simultaneously and tighten up, has better synchronism, can satisfy the normal operating requirement of link joint conveyer.

Description

Automatic chain tensioning mechanism of chain plate conveyor

Technical Field

The utility model relates to the technical field of chain tensioning mechanisms, in particular to an automatic chain tensioning mechanism of a chain plate conveyor.

Background

The conventional logistics sorting generally needs to use a chain plate conveyor for carrying out quick progressive transportation, the chain plate conveyor is a conveying device taking a standard chain plate as a bearing surface and taking a motor speed reducer as a power transmission, and the chain plate conveyor is composed of a power device (motor), a transmission shaft, a roller, a tensioning device, a chain wheel, a chain, a bearing, a lubricant, a chain plate and the like, wherein the main two parts for driving the conveying of materials are as follows: a chain for providing traction power by its cyclic reciprocation; and the metal plate is used as a supporting body in the conveying process.

For example, chinese issued patent, publication No.: the utility model provides an automatic straining device of drive chain of CN215720582U, includes chain, rotor, lock nut, mount, speed measuring wheel, claims tight pulley, telescopic link, fixing bolt, backup pad, vice take-up pulley, fixed axle and fixed screw, the left side of rotor is provided with the chain, and the right side of rotor is provided with the backup pad, the top of backup pad is provided with the telescopic link, can drive the adjustment through setting up two upper and lower telescopic links and maintain the ascending height of tight pulley and vice take-up pulley, makes and claims tight pulley and vice take-up pulley can be fine to the tensioning of chain.

The automatic chain tensioning mechanism needs staff to control two telescopic links to work simultaneously when using, however, the control of two telescopic links is not necessarily synchronous to can lead to two take-up pulleys to have certain pressure differential about, consequently, can lead to the chain to remove unstable problem inadequately when using, cause the link joint conveyer to use comparatively unstable.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the automatic chain tensioning mechanism of the chain plate conveyor, which drives the screw rod to rotate by starting the driving motor, and can drive the screw sleeve to move forwards under the action of the screw thread, at the moment, the screw sleeve can drive the hinge rod to slide in the guide groove, the hinge rod pulls the push rod and the clamping plate to move downwards, and the clamping plate can drive the chains on the upper side and the lower side to move in opposite directions, so that the tightening effect is achieved.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the automatic chain tensioning mechanism of the chain plate conveyor comprises a chain wheel, a chain connected to the chain wheel and a fixed plate arranged on the chain, wherein a fixed sleeve is fixed at the rear end of the fixed plate, a threaded sleeve is connected inside the fixed sleeve through a driving part, the top end and the bottom end of the threaded sleeve are hinged with a pushing rod through a hinging rod, and a clamping plate for clamping the chain is fixed at the top of the pushing rod;

the driving part comprises a screw rod and a driving motor, the screw rod is rotationally connected to the inner wall of the rear end of the fixed sleeve, the driving motor is arranged at the front end of the fixed plate, the output end of the driving motor is connected to the screw rod, and the screw rod is in threaded connection with the threaded sleeve.

Preferably, the top end and the bottom end of the fixed sleeve are respectively provided with a guide groove, and the guide grooves are used for the front and back movement of the hinging rod.

Preferably, the clamping plate is internally provided with a groove, and the groove is matched with the outer wall of the chain.

Preferably, the splint comprises a threaded rod, a handle and a movable plate, wherein the threaded rod is in threaded connection with the inside of the splint, the handle is fixed at the top end of the threaded rod, and the movable plate is connected with the bottom end of the threaded rod in a rotating manner.

Preferably, the top end and the bottom end of the fixed plate are both fixed with a first connecting plate, and the rear end of the first connecting plate is fixed with a second connecting plate sleeved with a pushing rod.

(III) beneficial effects

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

1. through the drive component who sets up, the fixed plate, fixed sleeve, the thread bush, articulated pole, the catch bar, the splint, first connecting plate, the second connecting plate, the lead screw, driving motor and guide slot combination use, thereby it is rotatory to open driving motor and drive the lead screw, can drive the thread bush and move forward under the effect of screw thread, the thread bush can drive articulated pole at the inside slip of guide slot this moment, and articulated pole pulling catch bar and splint downwardly moving, the splint can drive the chain of upper and lower both sides and move in opposite directions, reach and tighten up the effect, this kind of mode can drive the chain of upper and lower both sides simultaneously and tighten up, have better synchronism, can satisfy chain joint conveyer's normal use demand.

2. Through threaded rod, handle and fly leaf combination use that sets up, utilize rotatory handle to drive the threaded rod rotatory, can drive the fly leaf downwardly moving under the effect of screw thread, the fly leaf can be with the chain centre gripping, this kind of mode can be adapted to the chain of different thickness to reach fine stability, ensure to tighten up work more perfect, promoted the work efficiency of equipment.

Drawings

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

FIG. 2 is a schematic diagram of the structure of the adjusting device of the present utility model;

FIG. 3 is a schematic view of the internal cross-sectional structure of the fixing sleeve of the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.

In the figure: 1. a sprocket; 2. a chain; 311. a fixing plate; 312. a fixed sleeve; 313. a thread sleeve; 314. a hinge rod; 315. a push rod; 316. a clamping plate; 317. a first connection plate; 318. a second connecting plate; 319. a screw rod; 320. a driving motor; 321. a guide groove; 411. a threaded rod; 412. a handle; 413. a movable plate.

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.

Examples

Referring to fig. 1 to 4, an automatic chain tensioning mechanism of a chain plate conveyor comprises a chain wheel 1, a chain 2 connected to the chain wheel 1 and a fixing plate 311 arranged on the chain 2, wherein a fixing sleeve 312 is fixed at the rear end of the fixing plate 311, a threaded sleeve 313 is connected inside the fixing sleeve 312 through a driving component, and the driving component can drive the threaded sleeve 313 to reciprocate back and forth. The driving part comprises a screw rod 319 and a driving motor 320, the screw rod 319 is rotationally connected to the inner wall of the rear end of the fixed sleeve 312, the driving motor 320 is mounted at the front end of the fixed plate 311, the output end of the driving motor 320 is connected to the screw rod 319, the screw rod 319 is in threaded connection with the threaded sleeve 313, after the driving motor 320 is started, the screw rod 319 can be driven to rotate, and the threaded sleeve 313 can be made to reciprocate back and forth under the action of threads, so that a good adjusting effect is achieved. The guide groove 321 is respectively formed in the top end and the bottom end of the fixed sleeve 312, the guide groove 321 is used for enabling the hinged rod 314 to move back and forth, the clamping plate 316 for clamping the chain 2 is fixed at the top of the push rod 315, the first connecting plate 317 is fixed at the top end and the bottom end of the fixed plate 311, the second connecting plate 318 sleeved with the push rod 315 is fixed at the rear end of the first connecting plate 317, the push rod 315 can move up and down along the inner wall of the second connecting plate 318, the operation is stable, the push rod 315 is prevented from tilting under the movement of the hinged rod 314, and the push rod 315 is guaranteed to have a track of vertical movement. When the thread bush 313 moves forward, the hinge rod 314 can be pulled to rotate, the push rod 315 and the clamping plate 316 are driven to move downwards, the clamping plate 316 can pull the sleeved two groups of chains 2 in opposite directions, the automatic tensioning effect is achieved, the mode is time-saving and labor-saving to operate, the working efficiency of the device is improved, the synchronous shrinkage effect of the upper chain 2 and the lower chain 2 is guaranteed, and the chain plate conveyor is stable when in use.

The splint 316 is inside to be seted up flutedly, and recess and chain 2 outer wall mutually supporting, sets up the recess and can conveniently adjust chain 2, can pull chain 2 when splint 316 rise or descend and carry out vertical removal, reaches automatic tensioning's effect.

The splint 316 includes threaded rod 411, handle 412 and fly leaf 413, threaded rod 411 threaded connection is inside splint 316, threaded rod 411 top is fixed with handle 412, threaded rod 411 bottom rotation is connected with fly leaf 413, thereby the chain 2 cup joints behind the inside recess of splint 316, can rotate handle 412 and drive threaded rod 411 rotation, drive fly leaf 413 under the effect of screw thread and remove to chain 2 one side, fly leaf 413 can be with chain 2 centre gripping this moment, this kind of mode can conveniently be adapted to chain 2 of different thickness and carry out spacing, ensured tensioning operation has the adjustability.

Working principle: when the chain 2 needs to be regulated to be tightened, the driving motor 320 is started to drive the screw rod 319 to rotate, the screw sleeve 313 can be driven to move forwards under the action of threads, at the moment, the screw sleeve 313 can drive the hinge rod 314 to slide in the guide groove 321, the hinge rod 314 pulls the push rod 315 and the clamping plate 316 to move downwards, the clamping plate 316 can drive the chains 2 on the upper side and the lower side to move oppositely, and the tightening effect is achieved.

When the chain 2 with different thickness needs to be clamped, the handle 412 can be rotated to drive the threaded rod 411 to rotate, the movable plate 413 can be driven to move downwards under the action of threads, the movable plate 413 can clamp the chain 2, the mode can be suitable for the chain 2 with different thickness, so that good stability is achieved, tightening work is ensured to be more perfect, and the working efficiency of equipment is improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides an automatic straining device of chain of drag chain conveyer, includes sprocket (1), connects chain (2) on sprocket (1) and sets up fixed plate (311) on chain (2), its characterized in that: the rear end of the fixed plate (311) is fixedly provided with a fixed sleeve (312), the inside of the fixed sleeve (312) is connected with a threaded sleeve (313) through a driving part, the top end and the bottom end of the threaded sleeve (313) are hinged with a pushing rod (315) through a hinging rod (314), and the top of the pushing rod (315) is fixedly provided with a clamping plate (316) for clamping a chain (2);

the driving part comprises a screw rod (319) and a driving motor (320), the screw rod (319) is rotationally connected to the inner wall of the rear end of the fixed sleeve (312), the driving motor (320) is installed at the front end of the fixed plate (311) and the output end of the driving motor is connected to the screw rod (319), and the screw rod (319) is in threaded connection with the threaded sleeve (313).

2. The automatic chain tensioning mechanism for a link plate conveyor according to claim 1, wherein: guide grooves (321) are respectively formed in the top end and the bottom end of the fixed sleeve (312), and the guide grooves (321) are used for enabling the hinging rod (314) to move forwards and backwards.

3. The automatic chain tensioning mechanism for a link plate conveyor according to claim 1, wherein: the clamping plate (316) is internally provided with a groove, and the groove is matched with the outer wall of the chain (2).

4. The automatic chain tensioning mechanism for a link plate conveyor according to claim 1, wherein: the clamping plate (316) comprises a threaded rod (411), a handle (412) and a movable plate (413), wherein the threaded rod (411) is in threaded connection with the inside of the clamping plate (316), the handle (412) is fixed at the top end of the threaded rod (411), and the movable plate (413) is rotatably connected at the bottom end of the threaded rod (411).

5. The automatic chain tensioning mechanism for a link plate conveyor according to claim 1, wherein: the top and the bottom of the fixed plate (311) are both fixed with a first connecting plate (317), and the rear end of the first connecting plate (317) is fixed with a second connecting plate (318) sleeved with a pushing rod (315).