CN212472166U

CN212472166U - Distance-adjustable transmission mechanism for double-roller type material pressing

Info

Publication number: CN212472166U
Application number: CN202020890503.1U
Authority: CN
Inventors: 谯磊; 韩雪冬; 张敏杰; 陈治国
Original assignee: Suzhou Suowo Electronic Technology Co ltd
Current assignee: Suzhou Suowo Electronic Technology Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-02-05
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses a distance-adjustable transmission mechanism for double-roll type material pressing, which comprises a frame, a material pressing roller, a transmission component and a distance-adjusting component, wherein the material pressing roller is provided with a pair of rollers which are symmetrically fixed on two sides of the upper end of the frame, two ends of the material pressing roller are provided with rollers, the rollers are in matched transmission with a driven sprocket wheel arranged on the transmission component, and are matched with a lead screw slider arranged on the distance-adjusting component to realize distance adjustment, the transmission component comprises a motor, a sprocket wheel, a chain, a transmission shaft, a bearing component and a guide component, the sprocket wheel comprises a driving sprocket wheel, a bearing sprocket wheel, an upper guide sprocket wheel, a lower guide sprocket wheel and a driven wheel, the distance-adjusting component comprises a hand wheel, a lead screw pair, a lead screw slider and a bearing seat, the distance-adjustable transmission mechanism for double-roll type material pressing utilizes the double chains to be matched with a plurality of sprocket wheels for transmission, the double-roller material pressing and material thickness adjusting device is practical and convenient.

Description

Distance-adjustable transmission mechanism for double-roller type material pressing

Technical Field

The utility model relates to a machine tooling auxiliary assembly technical field, concretely relates to adjustable distance drive mechanism for material is pressed to double roll formula.

Background

The existing silica gel product needs to be pressed into sheets by a compression roller or mixed with other organic silica gel materials for pressing and mixing. Therefore the eccentric wheel is widely applied, the double-roller type pressing machine is favored as a high-pressure pressing mechanism, the pressing and mixing of silica gel materials are convenient, the thickness dimension of the silica gel materials can be adjusted, the eccentric wheel is practical and convenient, the traditional double rollers are used for gear meshing in transmission between the roller shaft and the shaft, the distance between the double rollers is inconvenient to adjust, and therefore a work transmission mechanism with good synchronism and convenience in adjusting the distance between the double rollers is needed to be designed to assist the double rollers to press the materials and adjust the thickness of the materials.

Disclosure of Invention

The utility model discloses the purpose: in order to solve the problem that the distance between the two rollers of a traditional double-roller material pressing frame is inconvenient to adjust in the background art, a distance-adjustable transmission mechanism for double-roller material pressing is designed, double chains are matched with a plurality of groups of chain wheels for transmission, so that a single material pressing roller can obtain double-chain same-direction rotating force, the material pressing distance between the two rollers is adjusted under the adjustment of a screw pair, the material pressing distance between the two rollers is adjusted, and the material pressing and the material thickness adjustment of the two rollers are assisted.

The technical scheme adopted for solving the problems is as follows:

an adjustable distance transmission mechanism for double-roller type material pressing comprises a frame, a material pressing roller, a transmission assembly and an adjustable distance assembly,

the pair of pressing rollers are symmetrically fixed on two sides of the upper end of the frame, the two ends of the pressing rollers are provided with roller shafts, the roller shafts are in matched transmission with driven sprockets arranged on the transmission assembly and are matched with lead screw sliders arranged on the distance adjusting assembly to realize distance adjustment,

the transmission component comprises a motor, a chain wheel, a chain, a transmission shaft, a bearing component and a guide component, the motor is provided with a pair of transmission shafts, the transmission shafts and the bearing component are all fixed on the base of the frame in parallel, the chain wheel comprises a driving chain wheel, a bearing chain wheel, an upper guide chain wheel, a lower guide chain wheel and a driven wheel, the bearing component comprises a bearing support and a bearing spring, the bearing spring is matched with a rotating shaft of the bearing chain wheel to enable the chain to be tightly supported without loosening, the guide component is arranged on the roller shaft and comprises a guide support and a guide,

the main shafts of the two motors are fixedly connected with driving sprockets with opposite rotating directions through key grooves, the driving sprockets are provided with chains, the chains are matched with driven sprockets fixedly connected on the roller shaft of the material pressing roller after being matched with bearing sprockets arranged on a bearing assembly to tightly support the chains, then are matched with lower guide sprockets and then are matched with upper guide sprockets, so that the chains can obtain rotating force, the chains are matched with guide wheels of two groups of guide assemblies and then are matched with driven wheels on the roller shaft of the material pressing roller at the other side for transmission, and then are matched with the driven wheels on the roller shaft of the material pressing roller through lower guide sprockets and bearing sprockets and are connected with chains on the driving sprockets of the motors in a tail closing mode to form a transmission loop, and similarly, the chains on the other motor are symmetrically arranged, so that the driven sprockets on the roller shaft of each material pressing roller can obtain a transmission contact surface with a quarter arc,

the distance adjusting assembly is fixed on two sides of the rack and comprises a hand wheel, a screw rod pair, a screw rod sliding block and a bearing seat.

Furthermore, the screw rod pair is fixedly connected with the hand wheel, two ends of the screw rod pair are fixed on the rack through bearing seats, the screw rod sliding block is connected with the roll shafts and horizontally slides in a manner of matching with the rotation of the screw rod pair, and therefore the distance between the two material pressing rolls is adjusted.

Furthermore, the upper guide chain wheel and the lower guide chain wheel are fixed on the frame through a transmission shaft.

Furthermore, two bearing chain wheels are arranged on the bearing component, and two guide chain wheels are arranged on the guide component and are driven by the two chains to rotate reversely.

Furthermore, two coaxial driven sprockets are arranged at two ends of a roller shaft of each pressing roller, the driven sprockets rotate in the same direction under the driving of the two chains, and the contact arc surface is close to one half arc section of the outer ring of each driven sprocket, so that the transmission force of the chains and the driven sprockets is increased.

Further, when the screw rod pair drives the screw rod slide block to adjust the horizontal displacement of the roller shaft, the chain sections between the guide chain wheels of the two groups of guide assemblies are stretched or shrunk, and the chain stretching state is generally kept under the shrinking or stretching state of the bearing springs arranged on the bearing assemblies.

The utility model has the advantages that:

this a but adjustable distance drive mechanism for twin-roll type is pressed material utilizes double chain cooperation multiunit sprocket for single pressure material roller can obtain the equidirectional turning force of twin-chain, and adjusts the pressure material interval between the two rollers under the vice regulation of lead screw, presses material and adjustment material thickness with supplementary two rollers, and is practical convenient.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

FIG. 1 is a schematic structural diagram of an adjustable pitch drive mechanism for a double-roll nip according to an embodiment;

FIG. 2 is a top view of an adjustable pitch drive mechanism for a dual roll nip according to an embodiment;

the material conveying device comprises a left side upper guide chain wheel 1, a hand wheel 2, a left side lower guide chain wheel 3, a transmission shaft 4, a rack 5, a supporting bracket 6, a supporting chain wheel 7, a motor 8, a driving chain wheel 9, a rack base 10, a chain 11, a right side lower guide chain wheel 12, a right side upper guide chain wheel 13, a screw rod pair 14, a right side material pressing roller 15, a guide chain wheel 16, an inner side guide chain wheel 161, an outer side guide chain wheel 162, a screw rod sliding block 17, a guide bracket 18, a driven wheel 19, an inner side driven wheel 191, an outer side driven wheel 192 and a left side material pressing roller 20.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-2, the present embodiment provides a distance-adjustable transmission mechanism for dual-roller pressing, which includes a frame 5, pressing rollers (15, 20), a transmission assembly, and a distance-adjusting assembly.

Specifically speaking, the material pressing rollers (15, 20) are provided with a pair of rollers which are symmetrically fixed on two sides of the upper end of the frame 5, the two ends of the material pressing rollers are provided with roller shafts, the roller shafts are in matched transmission with driven chain wheels 19 arranged on the transmission assembly, and are matched with screw rod slide blocks 17 arranged on the distance adjusting assembly to realize distance adjustment.

Drive assembly includes motor 8, sprocket, chain 11, transmission shaft 4 and bearing subassembly and guide subassembly, motor 8 is equipped with a pair ofly, and equal parallel fixation is on frame base 10, and the sprocket includes drive sprocket 9, bearing sprocket 7, goes up guide sprocket (1, 13), guide sprocket (3, 12) and follow driving wheel 19 down, go up guide sprocket (1, 13), guide sprocket (3, 12) are fixed on frame 5 through transmission shaft 4 down, bearing subassembly includes bearing support 6 and bearing spring, bearing spring and bearing sprocket 7's pivot cooperation makes chain 11 prop tightly not hard up, guide subassembly sets up on the roller, including guide support 18 and guide sprocket 16, wherein: a main shaft key groove of the left side motor 8 is fixedly connected with a driving chain wheel 9, the driving chain wheel 9 is provided with a chain 11, after the chain 11 passes through a supporting chain wheel 7 arranged on the supporting component and is matched with a tensioning chain 11, the chain is matched with a lower guide chain wheel 12 and then is matched with an upper guide chain wheel 13, the chain 11 is matched with the driven chain wheel 19 on the roll shaft of the pressing roller 15 fixedly connected with the right side to obtain rotating force, then the chain is matched with the guide wheels 16 of the two groups of guide components and then is matched with the driven wheel 19 on the roll shaft of the pressing roller 20 on the other left side for transmission, and after passing through the lower guide chain wheel 3 and the bearing chain wheel 7, the chain 11 on the driving chain wheel 9 of the motor is connected in a terminating way to form a transmission loop, similarly, the chain on the other motor is symmetrically arranged, the driven chain wheel on each material pressing roller shaft is enabled to obtain a transmission contact surface of a quarter of a circular arc section, so that the transmission force of the material pressing roller is stable.

The distance adjusting assembly is fixed on two sides of the frame 5 and comprises a hand wheel 2, a screw pair 14, a screw slider 17 and a bearing seat (not shown in the figure), the screw pair 14 is fixedly connected with the hand wheel 2, two ends of the screw pair 14 are fixed on the frame through the bearing seat, the screw slider 17 is connected with a roller shaft and horizontally slides by matching with the rotation of the screw pair 14, and accordingly the distance between the two pressing rollers (15 and 20) is adjusted.

In a further embodiment, the support assembly is provided with two support sprockets 7, and the guide assembly is provided with two guide sprockets (161, 162), which are driven by the two chains 11 to rotate in opposite directions.

The further implementation scheme is that two coaxial driven chain wheels 19 are arranged at two ends of a roller shaft of each of the two pressing rollers (15, 20), the two coaxial driven chain wheels rotate in the same direction under the driving of the two chains 11, and the contact arc surface is close to one half of the arc section of the outer ring of each driven chain wheel 19, so that the transmission force of the chains 11 and the driven chain wheels 19 is increased.

In a further embodiment, when the screw pair 14 drives the screw slider 17 to adjust the horizontal displacement of the roller shaft, the extension or contraction of the chain section between the guide sprockets 16 of the two sets of guide members is represented by the contraction or extension state of the support spring provided in the support member, and the chain tension state is generally maintained.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes, modifications, substitutions and alterations can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a but, roll adjustment drive mechanism for two roll-type press, includes frame, swage roller section of thick bamboo, drive assembly and roll adjustment subassembly, its characterized in that:

2. The adjustable nip transmission mechanism for a twin-roll nip according to claim 1, wherein: the screw rod pair is fixedly connected with the hand wheel, two ends of the screw rod pair are fixed on the rack through bearing seats, the screw rod sliding block is connected with the roll shaft and horizontally slides in a manner of matching with the rotation of the screw rod pair, and the distance between the two material pressing rolls is adjusted accordingly.

3. The adjustable nip transmission mechanism for a twin-roll nip according to claim 1, wherein: the upper guide chain wheel and the lower guide chain wheel are fixed on the frame through a transmission shaft.

4. The adjustable nip transmission mechanism for a twin-roll nip according to claim 1, wherein: the two bearing chain wheels are arranged on the bearing component, and the two guide chain wheels are arranged on the guide component and are driven by the two chains to rotate reversely.

5. The adjustable nip transmission mechanism for a twin-roll nip according to claim 1, wherein: two coaxial driven sprockets are arranged at two ends of a roller shaft of each pressing roller, the driven sprockets rotate in the same direction under the driving of the two chains, and the contact arc surface is close to a half arc section of the outer ring of each driven sprocket, so that the transmission force of the chains and the driven sprockets is increased.

6. The adjustable nip transmission mechanism for a twin-roll nip according to claim 1, wherein: when the screw rod pair drives the screw rod sliding block to adjust the horizontal displacement of the roller shaft, the chain sections between the guide chain wheels of the two groups of guide assemblies are stretched or shrunk by the stretching or stretching adjustment of the bearing springs arranged on the bearing assemblies, and the chain stretching state is generally kept.