CN201027113Y

CN201027113Y - Speed changing conveying mechanism

Info

Publication number: CN201027113Y
Application number: CNU200720141305XU
Authority: CN
Inventors: 刘志强
Original assignee: Hunan China Sun Pharmaceutical Machinery Co Ltd
Current assignee: Hunan China Sun Pharmaceutical Machinery Co Ltd
Priority date: 2007-03-07
Filing date: 2007-03-07
Publication date: 2008-02-27
Anticipated expiration: 2017-03-07

Abstract

The utility model discloses a speed shifting conveying mechanism comprising a driving shaft. The driving shaft is provided with a groove thumbwheel, the groove thumbwheel is radially provided with a plurality of radiate long grooves taking the driving shaft as the center, sliding blocks are arranged in the long grooves, embedded lumps are arranged on the upper ends of the sliding blocks above the groove thumbwheel, a fence provided with an involute shaped inner edge and used to block the conveyed objects from outside are arranged the outsides of the embedded lumps far away from the driving shaft, a track for supporting the conveyed objects are arranged below the operation trail of the conveyed objects between the fence and the embedded lumps, one sides of the embedded lumps toward the fence are provided with indentations used to block the conveyed objects, a cam plate fixed relative to a shaft seat is arranged below the groove thumbwheel, an annular guide groove is arranged on the cam plate around the driving shaft, and shafts below the sliding blocks are inserted into the annular guide groove. The mechanism can realize the stable transition conveyance of the conveyed objects between the conveying mechanisms with different linear speeds or unequal pitches.

Description

The speed change conveying mechanism

Technical field

The utility model relates to a kind of conveying mechanism, is a kind of mechanism that can realize in the object course of conveying that speed change is carried specifically.Make it possible to the conveying that between the conveying mechanism that front and back two linear velocities or pitch do not wait, realizes a smooth transition by the speed change conveying mechanism.

Background technology

In the prior art, it is the transmission of object between the different conveying mechanism of linear velocity or pitch that two delivery speeies do not wait, what adopt is the situation handing-over of following moment that does not wait in two speed, object is in the sudden change of handing-over spot speed, can produce and impact, described this technology can only could be used under the situation that two mechanism speeds are more or less the same, and has limited the delivery speed of object.

The utility model content

Technical problem to be solved in the utility model is exactly the defective that overcomes above-mentioned prior art, and a kind of compact conformation is provided, and can be implemented in the mechanism that the smooth transition of carrying out object between the mechanism that two delivery speeies do not wait is transmitted.

The utility model adopts following technical solution: a kind of speed change conveying mechanism, comprise an imput shaft that is installed on the axle bed, the groove thumb wheel is installed on imput shaft, be that the center of circle radially is provided with many radial elongated slots with described imput shaft on the groove thumb wheel, slide block is housed in elongated slot, be equipped with to insert at groove thumb wheel upper position and be installed in described upper end of slide block, in the lateral direction of inserting barrier that inward flange is the involute shape is installed and is used for blocking the object that is transferred from the outside away from imput shaft, transported object running orbit lower position at barrier and between inserting is provided with the track of holding transported object, side towards barrier on inserting is useful on the breach that blocks transported object, be equipped with respect to the fixed lobe plate of described axle bed at described groove thumb wheel lower position, on lobe plate, be provided with annular guide channel around imput shaft, described slide block below has axially inserts down in the described annular guide channel, annular guide channel near the part of barrier inward flange in the horizontal direction between barrier and the imput shaft and parallel with described barrier.

On described imput shaft, can also be mounted with two transmission gears, be used for respectively meshing so that its synchronous rotation with the transmission gear of front and back conveying mechanism.

The part that is positioned at described annular guide channel on the axle of described slide block lower end can be equipped with bearing, with resistance and the wearing and tearing of reducing friction.

On described axle bed, axle bed is installed on the platen described imput shaft by bearing installation, and described lobe plate is fixed on the described axle bed with bolt by sleeve gasket.This mounting structure compactness, simple is convenient to install.

Described barrier can be installed on the described platen by many root posts.

Be positioned at described barrier lower position on described column support plate can also be installed, described track is installed on the described support plate.

This speed change conveying mechanism of the present utility model, when driving the rotation of groove thumb wheel by imput shaft, utilizing on the lobe plate annular guide channel to promote slide block slides along the elongated slot on the groove thumb wheel, making inserts insert being clamped in and barrier between transported object when doing uniform circular motion, also do straight-line motion along the elongated slot on the groove thumb wheel, the linear velocity of object of which movement and pitch gradually change in this motion process, therefore can be between the front and back conveying mechanism that different linear velocities or pitch do not wait conveying object reposefully.

Description of drawings

Fig. 1 is the structural representation of speed change conveying mechanism of the present utility model.

Fig. 2 is the schematic top plan view of speed change conveying mechanism.

Fig. 3 is an assembly relation scheme drawing between slider part and groove thumb wheel and the lobe plate.

Fig. 4 is the transmission process scheme drawing.

The specific embodiment

Below in conjunction with the drawings and specific embodiments speed change conveying mechanism of the present utility model is described further.

As depicted in figs. 1 and 2, the speed change conveying mechanism, comprise that one is installed in imput shaft 20 on the axle bed 12 by bearing 6, on imput shaft 20, groove thumb wheel 5 is installed by flat key 9, be the thumb wheel groove 28 that center of circle radial equipartition has many radial elongated slots to constitute with imput shaft 20 on the groove thumb wheel 5, thumb wheel groove 28 can wait angle also can not wait angle to deploy, a slide block 16 respectively is housed in each thumb wheel groove 28, being equipped with one at groove thumb wheel 5 upper positions inserts and 14 is installed in slide block 16 upper ends, in 14 the lateral direction of inserting barrier 3 that inward flange is the involute shape is installed and is used for blocking the object that is transferred from the outside away from imput shaft 20, be useful on the breach that blocks transported object in a side of inserting on 14 towards barrier, at described groove thumb wheel 5 lower positions lobe plate 2 is installed, the cam curve that constitutes around the annular guide channel 31 of imput shaft setting is arranged on lobe plate 2, annular guide channel 31 is parallel with barrier 3 near the position of barrier 3 inward flanges as seen from Figure 2, and annular guide channel 31 is the position between barrier 3 and imput shaft 20 in the horizontal direction.As shown in Figure 3, slide block 16 lower ends have bearing pin 18 to insert in the annular guide channel 31 of lobe plate 2 downwards, and the part that is positioned at annular guide channel 31 on bearing pin 18 can be equipped with bearing 19, with resistance and the wearing and tearing of reducing friction; The Chinese character that the cross section of thumb wheel groove and slide block increases for the middle part width " in " font, can guarantee that like this slide block 16 can not wave when the thumb wheel groove slides, make its motion steadily; For ease of assembling, bearing pin 18 is to be installed on the slide block 16 by screw thread.

As shown in Figure 1, imput shaft 20 is installed on the axle bed 12 by bearing 6, and axle bed 12 is installed on the platen 32 by bolt, and lobe plate 2 is fixed on the axle bed 12 by sleeve gasket 13 and bolt.Pin is fixed on column 1 upper end and barrier 3 is fixed, and is installed on the described platen 32 by column 1.This mode has constituted a kind of simple, compact rack construction, and it is low to be convenient to installation and cost.Be the protection bearing, be equipped with by screw in bearing 6 outsides in the axis hole upper end of axle bed 12 seal ring 11 is installed between gland 7 and gland and the imput shaft.Between lobe plate 2 and groove thumb wheel 5, be equipped with the cover 10, groove thumb wheel 5 by fill up 8 and bolt be axially located on imput shaft 20.

Be positioned at described barrier 3 lower positions on column 1 support plate 17 also is installed, the lower position at corresponding transported material running body on the support plate 17 is equipped with track 4 to hold object.

Below platen 32, the axle head of imput shaft 20 also is mounted with adjustment dish 22 by flat key 9 and pad 8 and bolt, big gear wheel 23 and gear 21 are installed on two disc face on the adjustment dish 22 by bolt, as shown in Figure 4, gear 21 and big gear wheel 23 are used for respectively meshing so that its synchronous rotation with the

transmission gear

33,34 of front and back conveying mechanism.

Its working process is with reference to Fig. 2 and in conjunction with shown in Figure 1, and speed change conveying mechanism 26 is installed between the front conveyor structure 25 and back conveying mechanism 27 that pitch do not wait, and rotates synchronously by gear drive shown in Figure 4.Its working process is that example describes with bottle 24 as transported object, bottle 24 on the front conveyor structure 25 is blocked by the slide block assembly of inserting and slide block is formed 29 when relying on speed change conveying mechanism 26, nationality is clamped between barrier 3 and the slide block assembly 29 by the rotation of groove thumb wheel among Fig. 1, because the cam curve 31 that the inward flange of barrier 3 and the circular groove on the cooresponding lobe plate constitute is the involute shape, utilize the effect of

lobe plate

2 and 5 pairs of slide blocks of groove thumb wheel make slide block assembly 29 when rotating also along thumb wheel groove 28 moving linearlies, make the pitch of bottle 24 increase to consistent with back conveying mechanism 27 pitches gradually and rely on the back conveying mechanism to flow to back conveying mechanism 27, the realization pitch does not wait the smooth transition between the front and back conveying mechanism of (or linear velocity does not wait).After the effect sliding block assembly 29 of lobe plate is laid down bottle, move and rely on the front conveyor structure to the imput shaft direction gradually again and realize next time conveying transported object.

Claims

1. speed change conveying mechanism, it is characterized in that: comprise an imput shaft that is installed on the axle bed, the groove thumb wheel is installed on imput shaft, be that the center of circle radially is provided with many radial elongated slots with described imput shaft on the groove thumb wheel, slide block is housed in elongated slot, be equipped with to insert at groove thumb wheel upper position and be installed in described upper end of slide block, in the lateral direction of inserting barrier that inward flange is the involute shape is installed and is used for blocking the object that is transferred from the outside away from imput shaft, transported object running orbit lower position at barrier and between inserting is provided with the track of holding transported object, side towards barrier on inserting is useful on the breach that blocks transported object, be equipped with respect to the fixed lobe plate of described axle bed at described groove thumb wheel lower position, on lobe plate, be provided with annular guide channel around imput shaft, described slide block below has axially inserts down in the described annular guide channel, annular guide channel near the part of barrier inward flange in the horizontal direction between barrier and the imput shaft and parallel with described barrier.

2. speed change conveying mechanism as claimed in claim 1 is characterized in that: also be mounted with two transmission gears on described imput shaft, be used for respectively meshing so that its synchronous rotation with the transmission gear of front and back conveying mechanism.

3. speed change conveying mechanism as claimed in claim 2 is characterized in that: described two transmission gears are installed on two cards on the adjustment dish by bolt respectively, and the adjustment dish is fixed on the described imput shaft by key and pad and bolt.

4. as described speed change conveying mechanism one of in the claim 1 to 3, it is characterized in that: the part that is positioned at described annular guide channel on the axle of described slide block lower end is equipped with bearing, with resistance and the wearing and tearing of reducing friction.

5. as described speed change conveying mechanism one of in the claim 1 to 3, it is characterized in that: described imput shaft by bearing installation on described axle bed, axle bed is installed on the platen, and described lobe plate is fixed on the described axle bed with bolt by sleeve gasket.

6. speed change conveying mechanism as claimed in claim 5 is characterized in that: the position that is positioned at outside the described bearing on described axle bed is equipped with gland, between gland and imput shaft seal ring is installed.

7. as described speed change conveying mechanism one of in the claim 1 to 3, it is characterized in that: described barrier is installed on the described platen by many root posts.

8. speed change conveying mechanism as claimed in claim 7 is characterized in that: be positioned at described barrier lower position on described column support plate also is installed, described track is installed on the support plate.

9. as described speed change conveying mechanism one of in the claim 1 to 3, it is characterized in that: the elongated slot on the described groove thumb wheel and the cross section of slide block are the shape that the middle part width increases.