CN207127678U - A kind of abrasive band tensioner apparatus - Google Patents

Abstract

A kind of abrasive band tensioner apparatus disclosed in the utility model, include the barrel-shaped casing of both ends open, bearing block is respectively arranged with housing both ends open, bearing, in addition to the main shaft through two bearings are separately installed with two bearing blocks.A kind of abrasive band tensioner apparatus of the present utility model solves the problems, such as the easy corrosion of existing abrasive band tensioner apparatus, deforms and then cause abrasive band deflection or can not be tensioned.A kind of abrasive band tensioner apparatus of the present utility model has simple in construction, is easily installed, debugs, and the features such as reliable operation, is used suitable for rigidity tensioning and flexible tension environment；It uses lip seal form, avoids and is entered using process reclaimed water inside wheel body, so as to eliminate the corrosion defect under water environment, extends the service life of tensioning wheel；Circular arc shell body designs, and is advantageous to abrasive band during revolution at a high speed in time from centering, avoids occurring phenomena such as producing sideslip, inclination.

Description

A kind of abrasive band tensioner apparatus

Technical field

The utility model belongs to mechanical polishing technology field, and in particular to a kind of abrasive band tensioner apparatus.

Background technology

Polishing machine is in the process of running, it is necessary to reach the purpose of polishing using the revolution at a high speed in abrasive band, due to producing The influence of each side factor, such as aqueous medium in journey, abrasive band itself abrasion etc., deflection occurs for abrasive band or what can not be tensioned completely ask Topic, it is due to abrasive band tensioning apparatus damaged themselves to trace it to its cause, such as corrosion or deformation, causes tensile force suffered by abrasive band uneven Even, the problem of so as to cause abrasive band deflection occur or can not be tensioned completely, abrasive band is not in good state, and then can be to polished tubing Surface quality has an impact, such as the defects of aberration, scuffing.

For these technical problems, people have also carried out corresponding research, but these improved technologies still have Problem.Such as patent《A kind of strainer on belt sanding polishing machine》(applying date is November 29, Application No. in 2013 201320777562.8th, authorized announcement date be on July 2nd, 2014, Authorization Notice No. be the U of CN 203679986), it is mainly solved The problem of existing belt sander tensioning device structure complexity of having determined.By analysis, have the following disadvantages：

1) need to be independently arranged slide rail, and can be along the sliding block that slide rail moves and the drive being connected with sliding block on slide rail Moving part；

2) wheel body belongs to open architecture, easy to wear under impurity effect；

3) it is not suitable for the use of water throwing environment, support easy-to-rust, and easily water inlet inside wheel body, causes wheel body internal corrosion While, the dynamic balancing of tensioning wheel is influenceed, causes to produce obvious vibrations in operation process, so as to influence quality of finish.

Patent《A kind of abrasive belt tensioning device of abrasive belt machine》(applying date is October 16, Application No. in 2012 201220528788.X, authorized announcement date are on May 1st, 2013, Authorization Notice No. is the U of CN 202910695), it mainly has Tensioning shaft and the tensioning wheel being positioned on tensioning shaft are formed.This abrasive band tensioning apparatus also includes nutted rod, and nutted rod one end is with opening Mandrel one end is fixedly connected, and described nutted rod is hinged in frame, has the force-applying piece of tensioning abrasive band trend all the time.By Analysis, has the following disadvantages：

1) main body is bar linkage structure, and stability is bad；

2) structure is single, and revolution, which is shown in, to be exposed to the open air in water environment, easy-to-rust；

3) it is not suitable for the use of revolution at a high speed equipment.

Patent《A kind of abrasive band tensioning apparatus and sanding apparatus》(applying date is January 14, Application No. in 2014 201420023461.6th, authorized announcement date be on July 23rd, 2014, Authorization Notice No. be the U of CN 203726304), its mainly by Disk roller, sliding seat, guide rail, movable rod, swing handle, wobble component etc. is tensioned to form.By analysis, it is had the following disadvantages Place：

1) wheel body belongs to open architecture, in water environment, easy-to-rust；

2) structure is smaller, is only applicable to the use in short specification abrasive band；

3) there is no corrective action for abrasive band sideslip in the process of running and tilt phenomenon.

Utility model content

The purpose of this utility model is to provide a kind of abrasive band tensioner apparatus solve existing abrasive band tensioner apparatus Easy corrosion, the problem of deforming and then causing abrasive band deflection or can not be tensioned.

Technical scheme is used by the utility model：A kind of abrasive band tensioner apparatus, include the barrel-shaped shell of both ends open Body, bearing block is respectively arranged with housing both ends open, be separately installed with bearing in two bearing blocks, in addition to through two axles The main shaft held.

The characteristics of the utility model, also resides in,

Compressed on the outside of bearing by bearing gland.

Seal is set to be sealed between bearing and bearing gland, seal is sheathed on main shaft.

Seal is lip sealing ring.

Spacer is arranged with main shaft, spacer both ends hold out against two bearings.

Housing either side profile is the circular arc of convex.

The beneficial effects of the utility model are：A kind of abrasive band tensioner apparatus of the present utility model solves existing abrasive band The easy corrosion of tensioner apparatus, the problem of deforming and then causing abrasive band deflection or can not be tensioned.A kind of abrasive band of the present utility model Tensioner apparatus has simple in construction, is easily installed, debugs, the features such as reliable operation, suitable for rigidity tensioning and flexible tension Environment uses；It uses lip seal form, avoids and is entered using process reclaimed water inside wheel body, so as to eliminate under water environment Corrosion defect, extend the service life of tensioning wheel；Circular arc shell body designs, and is advantageous to abrasive band during revolution at a high speed In time from centering, avoid occurring phenomena such as producing sideslip, inclination.

Brief description of the drawings

Fig. 1 is a kind of structural representation of abrasive band tensioner apparatus of the present utility model.

In figure, 1. housings, 2. bearing blocks, 3. bearing glands, 4. bearings, 5. seals, 6. main shafts, 7. spacers.

Embodiment

The utility model is described in detail with reference to the accompanying drawings and detailed description.

A kind of abrasive band tensioner apparatus structure provided by the utility model is as shown in figure 1, the barrel-shaped shell including both ends open Body 1, bearing block 2, bearing gland 3, bearing 4, seal 5, main shaft 6 and the spacer 7 being sheathed on main shaft 6.Add by precision Two bearing blocks 2 of work are assemblied at the both ends open of housing 1 with interference relationship；Bearing 4 is installed on bearing block 2, and passes through bearing Gland 3 compresses bearing 4；Seal 5 is closely assembled in the inside of bearing block 2 and is placed on main shaft 6.Preferably, seal 5 is that lip is close Seal.Main shaft 6 is co-axially mounted through two bearing blocks 2 with housing 1, and is held out against bearings at both ends 4 using spacer 7.Preferably, shell The shape of body 1 is similar to the shape of fat, thin ends and thick middle, i.e., along the direction section view perpendicular to axis, diameter of a circle is by big Diminish.Can be that one section of circular arc is rotated about its center axis to obtain in terms of mathematical angle.

Before polissoir operation, abrasive band is wrapped in the circular arc appearance of housing 1 of tensioner apparatus described in the utility model Face, abrasive band is tensioned using the holding device of polissoir itself.Abrasive band is under the effect of the arc surface of housing 1, during presentation both ends are low Between high state, be so advantageous to abrasive band in high-speed rotation, SPL arc surface has as obtained from calculating From the function of centering, i.e., abrasive band can move in the presence of tensile force towards high point, and described housing 1 is both ends symmetrical junction Structure, the abrasive band of such both ends low spot will move towards middle high point, so as to ensure that abrasive band does not glance off.Sealed using lip Form, avoid and entered using process reclaimed water inside wheel body, so as to eliminate the corrosion defect under water environment, extend tensioning wheel Service life.

Claims (6)

1. a kind of abrasive band tensioner apparatus, it is characterised in that the barrel-shaped casing (1) including both ends open, housing (1) both ends Opening is respectively arranged with bearing block (2), and bearing (4) is separately installed with two bearing blocks (2), in addition to through two The main shaft (6) of the bearing (4).

2. a kind of abrasive band tensioner apparatus as claimed in claim 1, it is characterised in that pass through bearing on the outside of the bearing (4) Gland (3) compresses.

3. a kind of abrasive band tensioner apparatus as claimed in claim 2, it is characterised in that the bearing (4) and bearing gland (3) Between set seal (5) sealed, the seal (5) is sheathed on the main shaft (6).

4. a kind of abrasive band tensioner apparatus as claimed in claim 3, it is characterised in that the seal (5) seals for lip Circle.

5. a kind of abrasive band tensioner apparatus as claimed in claim 1, it is characterised in that be arranged with spacer on the main shaft (6) (7), spacer (7) both ends hold out against two bearings (4).

A kind of 6. abrasive band tensioner apparatus as claimed in claim 1, it is characterised in that housing (1) the either side profile For the circular arc of convex.