CN200998839Y

CN200998839Y - Sander intake roller stand structure

Info

Publication number: CN200998839Y
Application number: CNU2007201058861U
Authority: CN
Inventors: 陈勇奇
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-01-24
Filing date: 2007-01-24
Publication date: 2008-01-02
Anticipated expiration: 2017-01-24

Abstract

The utility model relates to a feeding roller skid structure of a rolling feeding sander. Two or more feeding roller are positioned on the axle base in the roller skid structure, and one end of two or more feeding roller are connected with a reduction gearbox which is positioned outside the roller skid by a feeding gang and a gimbal, one or two or multiple lower supporting rollers are distributed among the multiple feeding rollers respectively and the lower supporting rollers rotate driven by the feeding roller by a drive structure. The advantages of the utility model are that: firstly, adopting the lower supporting roller adjustable structure and the lower supporting roller are designed into single edge adjustment or two edge adjustment at the same time, which provides convenience to the milling volume at the two sides when grinding and avoids the defects in the background technology; secondly, adopting a cross transmission drive transmitting roller structure which is composed of a feeding gang and a gimbal, which makes the coordination gap reach the smallest; thirdly, a reduction gearbox is arranged outside the roller skid, which not only narrow the roller skid and reduces the weight, but also improves the rigidity of the roller frame, the frame and the sanding head; fourthly, the utility model improves the convenience and reliability of the maintaining.

Description

Sander delivering roller jack horse structure

Technical field

The utility model relates to the conveying roller platform structure that a kind of running roller is carried sander, belongs to the sander component assembly and makes the field.

Background technology

Existing sander delivering roller jack horse, on structural design, the one, because the fine setting between snub pulley and sanding roller is to realize by lifting sanding roller main shaft, and the sanding roller is high accuracy in the sander, high-revolving critical piece, the structure of many activities will produce the gap of cooperation, thereby reduce the precision of running, make it to exert an adverse impact running up.Its two, both sides that this mechanism can only synchronization lifting sanding roller, and can't monolaterally adjusting; The 3rd, reduction box is positioned at the roller stand and directly is connected with carrying roll shaft; The 4th, snub pulley is fixed structure, spacing between sanding roller and the snub pulley is to rely on the integral elevating of roller platform and fine setting sanding roller to realize, its weak point: the one, reduction box is positioned at the roller stand, not only make the Heavy Weight of roller stand but also increased the width of roller stand, thereby reduced the rigidity of roller stand, and the rigidity of lower bearing bracket and sanding head; The 2nd, because reduction box is positioned at the roller stand, not only poor reliability, and inconvenient maintenance.

Summary of the invention

Purpose of design: avoid the weak point in the background technology, designing a kind of one is the gap of adopting between snub pulley fine setting and sanding roller, but and adopt both synchronization liftings of both sides, also can distinguish lifting, to reach the maximum flexibility of adjustment; The 2nd, reduction box is positioned at outside the roller stand, to alleviate roller stand weight and width; The 3rd, the conveying axis of reduction box adopts the cross axle transfer motion power, and is little to reach the transmission fit clearance, can guarantee under the situation of reduction box off normal the operate as normal of conveying roller and convenient for maintaining in certain scope.

Design: in order to realize above-mentioned purpose of design.1, adopt snub pulley adjustable, it is one of feature of the present utility model, because snub pulley is the low-speed running parts, realize that its high-precision lifting is easy to many than the high accuracy lifting that realizes high-speed component, secondly, but the utility model adopts both synchronization liftings of both sides, also can distinguish lifting, has greatly improved the flexibility of its adjustment.2, conveying roller is positioned at the roller stand, reduction box is positioned at outside the roller stand, is two of feature of the present utility model.Reduction box is put into the outer purpose of roller stand to be: the one, can alleviate the weight and the width of roller frame, and improve the rigidity of roller stand; The 2nd, because the narrowed width of roller stand, and be positioned at the contraction in length of the conveying roll shaft of roller stand, thereby improved the rigidity of conveying axis, reduced its processing capacity and processing request; The 3rd, the frame that is used for the backing roll stand narrows down and narrows down with the roller stand, and its rigidity then improves significantly; The 4th, because reduction box is positioned at the outside of roller stand, be not subjected to the influence of roller stand duty, not only stable and reliable for performance, and also easy to maintenance.3, an end of conveying roller by carrying shaft coupling and the universal joint reduction box outer with being positioned at the roller stand to be connected, is three of a feature of the present utility model respectively.Adopt universal joint that the purpose of reduction box transmission of power to conveying roller is: the one, can make the transmission fit clearance reach minimum; The 2nd, can adapt to the off normal of reduction box automatically, guarantee effective transmission of power.4, by the adjusting to snub pulley, can finely tune the sanding head and by the sanding amount between sanded board, guarantee the effect of its sanding, many sand head sander then can distribute by the sand amount of cutting of each sanding head of this institutional adjustment in this way.5, two ends of snub pulley adopt worm gear case and chain wheel driving mechanism to control its lifting, are four of features of the present utility model.Because the upper end of the elevating screw in this worm gear case is connected with the slip assembly, worm gear case is passed in the lower end and back-moving spring is housed, make the slip assembly be in no gap mated condition with the worm gear case transmission mechanism all the time, guarantee the precision of elevating screw lifting in the handwheel control worm gear case.6, snub pulley adopts belt gear or chain wheel driving mechanism to drive rotation by conveying roller, is five of feature of the present utility model.Adopt belt or chain wheel driving mechanism to drive snub pulley and rotate, guaranteed the synchronous rotation between snub pulley and conveying roller, reduced power-driven mechanism.

Technical scheme: sander delivering roller jack horse structure, 2 or many conveying rollers (5) are positioned on the axle bed of roller stand (6), and an end of 2 or many conveying rollers (5) is respectively by carrying shaft coupling (3) and universal joint (2) reduction box (1) outer with being positioned at the roller stand to be connected, 1 or 2 or many snub pulleys (11) are distributed between many conveying rollers (5) respectively and by transmission mechanism by conveying roller (5) drive snub pulley (11) rotation.

The utility model is compared with background technology, the one, adopt snub pulley adjustable structure and snub pulley be designed to can monolateral adjustment or both sides adjust the sand amount of the cutting adjustment of both sides when greatly facilitating sand milling, the weak point of having avoided background technology to exist simultaneously; The 2nd, adopt by the cross transmission of carrying shaft coupling and universal joint to constitute and drive delivery roller structure, make fit clearance reach minimum; The 2nd, reduction box is arranged on outside the roller stand, make not only that the roller stand narrows down, weight saving, and improved the rigidity of roller stand, frame and sanding head; The 3rd, improved the convenience and the reliability of maintenance greatly.

Description of drawings

Fig. 1 is the plan structure schematic diagram of sander delivering roller jack horse structure.

Fig. 2 is the partial side TV structure schematic diagram of sander delivering roller jack horse structure.

The specific embodiment

Embodiment 1: with reference to attached Fig. 1 and 2.Sander delivering roller jack horse structure, 2 or many conveying rollers 5 are positioned on the axle bed of roller stand 6, and the processing and fabricating of conveying roller 5 is a prior art, is not described herein at this.2 or many conveying rollers 5 are respectively by carrying shaft coupling 3 and universal joint 2 reduction box 1 outer with being positioned at the roller stand to be connected that (other end that an end of 2 or many conveying rollers 5 adopts to carry a shaft coupling flange 4 and an end of carrying shaft coupling 3 to be connected, to carry shaft coupling 3 even draws by universal joint 2 and reduction box 1 output shaft, and 1 or 2 or many snub pulleys 11 are distributed in 5 of many conveying rollers respectively and pass through transmission mechanism (sprocket wheel, chain drive) by 11 rotations of conveying roller 5 drive snub pulleys.Snub pulley 11 two ends drive the liter of elevating screws 17 control snub pulleys 11 or fall by worm gear 14 in the worm gear case 16 (handwheel drive worm gear) and by worm gear 14 respectively, snub pulley 11 two ends lay respectively in the bearing block 12, bearing block 12 is positioned on the slip assembly 13, and elevating screw 17 ends are connected with slip assembly 13 in the worm gear case 16.Worm gear case 16 is fixed on the below of roller stand 6, and elevating screw in the worm gear case 16 17 is by worm gear 14 its liftings of control, passes on the elevating screw 17 of worm gear case and is with back-moving spring 15.The side that roller 10 is positioned at roller stand 6 and is positioned at conveying roller is put in conveying, and one or 2 or many bootom couch squeeze rolls 9 are carried and put in the roller stand 6 of roller 10 1 sides.

What need understand is: though the foregoing description is to the utility model detailed explanation of contrasting; but these explanations; just to simple declaration of the present utility model; rather than to restriction of the present utility model; any innovation and creation that do not exceed in the utility model connotation all fall in the protection domain of the present utility model.

Claims

1, a kind of sander delivering roller jack horse structure, it is characterized in that: 2 or many conveying rollers (5) are positioned on the axle bed of roller stand (6), and an end of 2 or many conveying rollers (5) is respectively by carrying shaft coupling (3) and universal joint (2) reduction box (1) outer with being positioned at the roller stand to be connected, 1 or 2 or many snub pulleys (11) are distributed between many conveying rollers (5) respectively and by transmission mechanism by conveying roller (5) drive snub pulley (11) rotation.

2, sander delivering roller jack shelf structure according to claim 1 is characterized in that: snub pulley (11) two ends are controlled the liter of snub pulley (11) by worm gear case (16) respectively or are fallen.

3, sander delivering roller jack shelf structure according to claim 1 and 2, it is characterized in that: snub pulley (11) two ends lay respectively in the bearing block (12), bearing block (12) is positioned on the slip assembly (13), and elevating screw (17) end is connected with slip assembly (13) in the worm gear case (16).

4, according to claim 1 or 3 described sander delivering roller jack shelf structures, it is characterized in that: worm gear case (16) is fixed on the below of roller stand (6), and the elevating screw (17) in the worm gear case (16) is controlled its lifting by worm gear (14).

5, sander delivering roller jack shelf structure according to claim 4 is characterized in that: pass on the elevating screw (17) of worm gear case and be with back-moving spring (15).