CN205503890U

CN205503890U - Synchronous transmission mechanism

Info

Publication number: CN205503890U
Application number: CN201620227289.5U
Authority: CN
Inventors: 许重瑾
Original assignee: SUZHOU ZHENGBU MACHINE MANUFACTURING CO LTD
Current assignee: SUZHOU ZHENGBU MACHINE MANUFACTURING CO LTD
Priority date: 2016-03-23
Filing date: 2016-03-23
Publication date: 2016-08-24
Anticipated expiration: 2026-03-23

Abstract

The utility model relates to a synchronous transmission mechanism, including the frame, set up hold -in range and hold -in range down in the frame, go up hold -in range and hold -in range down for the disconnection and press from both sides tight piece through the hold -in range respectively and be connected, upward fix in the frame for last regulation band pulley on the left of the hold -in range, upward the hold -in range right side is a synchronous pulley, down the left side of hold -in range is adjusted the band pulley under for and is fixed in the frame, and the right side of lower hold -in range is adjustable synchronous pulley, be equipped with the transmission shaft and pass through the motor drive in the frame, a synchronous pulley and adjustable synchronous pulley fix on the transmission shaft and along with the transmission shaft rotates together. Can conveniently adjust the synchronism of hold -in range and lower hold -in range in the assurance to lower hold -in range through adjustable synchronous pulley, adjust with the lower convenient tension to last hold -in range and lower hold -in range of band pulley of adjusting through adjusting the band pulley on setting up, the hold -in range is roughly the same with the tension of lower hold -in range in the assurance, improves synchronous transmission mechanism's transmission efficiency and stability, the reduction error.

Description

Synchronous drive mechanism

Technical field

This utility model relates to drive mechanism, especially relates to a kind of stable transmission and the high synchronous drive mechanism of efficiency.

Background technology

In field of mechanical technique, in the transmission process of machinery, usually can use some and coordinate closing same by power transmission shaft Step band reaches the device of transmission effect, and this kind of device is mounted in fixed pulley due to two Timing Belts, in regulation transmission During the closing Timing Belt at axle two ends, its synchronicity aspect owing to being affected by closing Timing Belt self property, two Timing Belts Tensity size is different and uneven, therefore causes two Timing Belts its linear velocity in motor process to vary in size, thus causes whole Individual device transmission efficiency and stability aspect are poor, easily produce error when machine run, and maximum error can reach 2 mm, when Error reaches to need the most afterwards to change to close Timing Belt, and it is the highest to close Timing Belt Financial cost.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of synchronous drive mechanism, and it can regulate as required The synchronicity of Timing Belt, and the tensile force of Timing Belt can be regulated, improve transmission efficiency and stability.

The technical scheme in the invention for solving the technical problem is: a kind of synchronous drive mechanism, including frame, Arranging Timing Belt and lower Timing Belt in described frame, described upper Timing Belt and lower Timing Belt disconnect and lead to respectively Cross Timing Belt clamping block to connect, be fixed in frame for upper regulation belt wheel on the left of described upper Timing Belt, described upper Timing Belt Right side is the first synchronous pulley；The left side of described lower Timing Belt is that lower regulation belt wheel is fixed in frame, described lower synchronization The right side of band is scalable synchronous pulley；Described frame is provided with power transmission shaft by driven by motor, the first described synchronization Belt wheel is fixed on power transmission shaft with scalable synchronous pulley and rotates together with power transmission shaft.

Further, for convenience the tension force of Timing Belt is adjusted, described upper regulation belt wheel and lower regulation belt wheel Structure is identical, including the tensioning wheel carrier being fixed in frame, the tensioning pulley being arranged on tensioning wheel carrier and be arranged on tensioning For regulating the tension adjustment bolt of tensioning pulley on wheel carrier.

Further, being adjusted the synchronicity of Timing Belt for convenience, described scalable synchronous pulley includes second Synchronous pulley and for regulation the second synchronous pulley relative to drive axis regulation take turns.

Further, being fixed the second synchronous pulley for convenience, described regulation wheel is provided with fixing screw.

Further, in order to ensure tensioning pulley can stability of rotation, be rotary shaft in the middle part of described tensioning pulley, in tensioning Being provided with bearing between belt wheel and rotary shaft, described bearing is three and laid out in parallel.

Further, it is bonded between described the first synchronous pulley and power transmission shaft.

Further, in order to ensure that Timing Belt will not skid and convenient head and the support fixed in motor process, described The inner surface of upper Timing Belt and lower Timing Belt is profile of tooth.

Further, in order to ensure the intensity of tensioning wheel carrier, described tensioning wheel carrier is provided with reinforcement and is perpendicular to regulating wheel The surface of frame.

Further, in order to limit upper Timing Belt and the movement position of lower Timing Belt, the first described synchronous pulley with The both ends of the tensioning pulley of upper regulation belt wheel are equipped with the ring-type limiting plate for spacing upper Timing Belt；The second described synchronization Belt wheel is equipped with the ring-type limiting plate for spacing lower Timing Belt with the both ends of the tensioning pulley of lower regulation belt wheel.

The beneficial effects of the utility model are: after have employed said structure, can be facilitated by scalable synchronous pulley Lower Timing Belt is adjusted, it is ensured that upper Timing Belt and the synchronicity of lower Timing Belt；By arranging upper regulation belt wheel and lower regulation The tension force of upper Timing Belt with lower Timing Belt is adjusted by belt wheel convenience, it is ensured that go up the tension force substantially phase of Timing Belt and lower Timing Belt With, improve transmission efficiency and the stability of synchronous drive mechanism, reduce error and improve the service life of Timing Belt.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the structure for amplifying schematic diagram of part A in this utility model Fig. 1；

Fig. 3 is the structure for amplifying schematic diagram of part B in this utility model Fig. 1.

In figure: 1, frame；2, upper Timing Belt；3, lower Timing Belt；4, Timing Belt clamping block；5, upper regulation belt wheel； 6、 First synchronous pulley；7, lower regulation belt wheel；8, power transmission shaft；9, the second synchronous pulley；10, regulation wheel；11, tensioning wheel carrier； 12, tensioning pulley；13, tension adjustment bolt；14, fixing screw；15, rotary shaft；16, bearing；17, ring-type limiting plate.

Detailed description of the invention

Below in conjunction with the accompanying drawings this utility model is explained in detail.

A kind of synchronous drive mechanism, including frame 1, arranges Timing Belt 2 in described frame 1 as shown in figures 1 and 3 With lower Timing Belt 3, the inner surface of described upper Timing Belt 2 and lower Timing Belt 3 is profile of tooth, it is possible to well enter head and support Row is fixing, and prevents from skidding, and described upper Timing Belt 2 disconnects with lower Timing Belt 3 and clamps block 4 by Timing Belt respectively Connect, be fixed in frame 1 for upper regulation belt wheel 5 on the left of described upper Timing Belt 2, be first on the right side of described upper Timing Belt 2 Synchronous pulley 6；The left side of described lower Timing Belt 3 is that lower regulation belt wheel 7 is fixed in frame 1, the right side of described lower Timing Belt 3 Side is scalable synchronous pulley, and described scalable synchronous pulley includes the second synchronous pulley 9 and for regulation the second synchronization The regulation wheel 10 that belt wheel 9 rotates relative to power transmission shaft 8；Described frame 1 is provided with power transmission shaft 8 and passes through driven by motor, described The first synchronous pulley 6 be fixed on power transmission shaft 8 with scalable synchronous pulley and rotate together with power transmission shaft 8, first synchronize It is bonded between belt wheel and power transmission shaft.

Upper regulation belt wheel 5 is identical with the structure of lower regulation belt wheel 7, including the regulating wheel being fixed in frame 1 as shown in Figure 2 Frame 11, the tensioning pulley 12 being arranged on tensioning wheel carrier 11 and be arranged on tensioning wheel carrier 11 for regulating tensioning pulley 12 Tension adjustment bolt 13；It is rotary shaft 15 in the middle part of described tensioning pulley 12, is provided with between tensioning pulley 12 and rotary shaft 15 Bearing 16, described bearing 16 is three and laid out in parallel, it is ensured that tensioning pulley 12 stable movement；On described tensioning wheel carrier 11 It is provided with reinforcement and is perpendicular to the surface of tensioning wheel carrier 11, improve the intensity of tensioning wheel carrier 11, it is ensured that it rocks in motor process Less, smooth running.

First synchronous pulley 6 is equipped with for spacing upper Timing Belt 2 with the both ends of the tensioning pulley 12 of upper regulation belt wheel 5 Ring-type limiting plate 17；Second synchronous pulley 9 is equipped with under spacing with the both ends of the tensioning pulley 12 of lower regulation belt wheel 7 The ring-type limiting plate 17 of Timing Belt 3, the upper Timing Belt 2 of convenient restriction and the position of lower Timing Belt 3.

In installation and debugging with transmission process, upper Timing Belt 5 and lower Timing Belt 7 are made by Timing Belt clamping block 4 respectively The upper Timing Belt 5 disconnected and the lower Timing Belt 7 disconnected form two Timing Belts closed, and use the regulation of scalable synchronous pulley Wheel 10 regulation the second synchronous pulleys 9 depart from the rotation of power transmission shaft 8 and individually rotate thus be adjusted lower Timing Belt 7, regulation To upper and lower two toothed belt transmission precision identical in the case of, then the regulation of scalable synchronous pulley taken turns 10 and second synchronize Belt wheel 9 is held tightly fixing with power transmission shaft 8, and regulation wheel 10 completes to hold tightly fixing by being arranged on the fixing screws 14 of regulation wheel 10, on Timing Belt 2 connects right-hand member the first synchronous pulley 6 and the tensioning pulley 12 of regulation belt wheel 5 on left end respectively, and lower Timing Belt 3 connects respectively Connect the tensioning pulley 12 regulating belt wheel 7 under right-hand member the second synchronous pulley 9 and left end, by regulate on regulation left end belt wheel 5 and The tension adjustment bolt 13 of lower regulation belt wheel 9, makes even tension suffered by the upper Timing Belt 5 of disconnection and the lower Timing Belt 7 of disconnection.

Power transmission shaft 8 is rotated by motor, makes the second Timing Belt of the first synchronous pulley 6 and scalable synchronous pulley Wheel 9 rotates simultaneously, and the second synchronous pulley 9 of the first synchronous pulley 6 and scalable synchronous pulley has identical Angular velocity, kinetic energy is delivered to upper Timing Belt 2 and lower Timing Belt 3 by the first synchronous pulley 6 and the second synchronous pulley 9 respectively subsequently On, make the upper Timing Belt 2 of disconnection have, with the lower Timing Belt 3 disconnected, the linear velocity that direction equal in magnitude is identical, thus form one Plant stable transmission, high efficiency synchronous belt drive mechanism.

It is emphasized that: be the most only presently preferred embodiments of the present invention, not the present invention is made any in form Restriction, any simple modification, equivalent variations and the modification that above example is made by every technical spirit according to the present invention, All still fall within the range of technical solution of the present invention.

Claims

1. a synchronous drive mechanism, including frame (1), arranges upper Timing Belt (2) and lower Timing Belt in described frame (1) (3), described upper Timing Belt (2) is disconnected with lower Timing Belt (3) and is connected by Timing Belt clamping block (4) respectively, and it is special Levying and be, described upper Timing Belt (2) left side is fixed in frame (1) for upper regulation belt wheel (5), described upper Timing Belt (2) Right side is the first synchronous pulley (6)；The left side of described lower Timing Belt (3) is that lower regulation belt wheel (7) is fixed in frame (1), The right side of described lower Timing Belt (3) is scalable synchronous pulley；Described frame (1) is provided with power transmission shaft (8) by electricity Machine drives, and described the first synchronous pulley (6) and scalable synchronous pulley are fixed on power transmission shaft (8) and along with power transmission shaft (8) Rotate together.

Synchronous drive mechanism the most according to claim 1, it is characterised in that described upper regulation belt wheel (5) and lower regulation The structure of belt wheel (7) is identical, including the tensioning wheel carrier (11) being fixed in frame (1), be arranged on tensioning wheel carrier (11) Pulley tightener (12) and be arranged on tensioning wheel carrier (11) the tension adjustment bolt (13) being used for regulating tensioning pulley (12).

Synchronous drive mechanism the most according to claim 2, it is characterised in that described tensioning pulley (12) middle part is for rotating Axle (15), is provided with bearing (16) between tensioning pulley (12) and rotary shaft (15), and described bearing (16) is three and side by side Arrangement.

Synchronous drive mechanism the most according to claim 2, it is characterised in that described the first synchronous pulley (6) and rise The both ends of the tensioning pulley (12) of joint belt wheel (5) are equipped with the ring-type limiting plate (17) for spacing upper Timing Belt (2).

Synchronous drive mechanism the most according to claim 2, it is characterised in that described tensioning wheel carrier (11) is provided with reinforcement Muscle is perpendicular to the surface of tensioning wheel carrier (11).

Synchronous drive mechanism the most according to claim 1, it is characterised in that described scalable synchronous pulley includes second Synchronous pulley (9) and regulation wheel (10) rotated relative to power transmission shaft (8) for regulation the second synchronous pulley (9).

Synchronous drive mechanism the most according to claim 6, it is characterised in that described the second synchronous pulley (9) and downward The both ends of the tensioning pulley (12) of joint belt wheel (7) are equipped with the ring-type limiting plate (17) for spacing lower Timing Belt (3).

Synchronous drive mechanism the most according to claim 6, it is characterised in that described regulation wheel (10) is provided with for solid The fixing screw (14) of fixed second synchronous pulley (9).

Synchronous drive mechanism the most according to claim 1, it is characterised in that described the first synchronous pulley (6) and transmission It is bonded between axle (8).

Synchronous drive mechanism the most according to claim 1, it is characterised in that described upper Timing Belt (2) and lower Timing Belt (3) inner surface is profile of tooth.