CN209973534U

CN209973534U - Conveying device

Info

Publication number: CN209973534U
Application number: CN201920722680.6U
Authority: CN
Inventors: 张军委
Original assignee: Aifake Vacuum Technology (suzhou) Co Ltd
Current assignee: Aifake Vacuum Technology (suzhou) Co Ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-01-21
Anticipated expiration: 2029-05-20

Abstract

The utility model discloses a conveying device, which comprises a rack and pinion transmission mechanism, a hanger body and a guide rail, wherein the hanger body is movably arranged on the guide rail and is connected with a rack in the rack and pinion transmission mechanism; the rack body is fixedly connected with the rack through a flexible connecting structure, and the flexible connecting structure comprises a limiting block fixed on the rack, a groove formed in the rack body and used for the limiting block to move, a fixed shaft fixedly arranged in the groove, and a plurality of springs positioned on two sides of the fixed shaft; the limiting block is provided with a waist-shaped hole for the fixed shaft to penetrate through; the spring is located between rack and the hanger body, and the both ends of spring are supported respectively on hanger body and rack. In this way, the utility model discloses can reduce whole conveyer's machining precision, installation requirement and the debugging degree of difficulty through adopting flexible connection structure, can also guarantee the full meshing of gear and rack simultaneously, and avoided the card that rigid connection arouses to pause, abnormal sound, cracked scheduling problem of substrate.

Description

Conveying device

Technical Field

The utility model relates to a transfer apparatus technical field especially relates to a conveyer.

Background

The existing connection fit between the gear rack transmission basically adopts rigid connection, namely, the gear rack is meshed by adjusting the installation position of a gear or a rack, so that certain installation requirements are met when the gear rack transmission is used.

In equipment such as vertical vacuum film technology, the tray needs the cooperation to use rack and pinion drive mechanism to drive the conveying inside equipment, specifically is: the rack body for hanging the tray is movably arranged on the guide rail and is fixedly connected with the rack in the gear rack transmission mechanism, and the gear in the gear rack transmission mechanism is connected with the motor and driven by the motor, so that the motor can work and control the rack body to linearly move back and forth along the guide rail through the gear rack transmission mechanism, and the tray is conveyed. In a continuous production type device with a linear tandem structure (the length of the whole device is dozens of meters or even hundreds of meters), a plurality of trays are continuously conveyed by a plurality of groups of gear and rack transmission mechanisms through a hanger body, and in order to ensure the conveying stability of the trays, the hanger body is required to be kept straight in the moving process, and then the plurality of groups of gear and rack transmission mechanisms are required to be kept on the same straight line under the condition that the transmission is equivalent and synchronous. However, the existing gear and rack transmission adopts rigid connection, and the stability of transmission is ensured, so that the whole transmission device (comprising a gear and rack transmission mechanism, a hanger body, a guide rail and the like) has higher processing precision and installation requirements. The rigid connection of the gear and the rack is easy to have the phenomena of blocking, abnormal sound and the like in the using process, the substrate connected with the multiple groups of gear and rack transmission mechanisms is easy to crack due to blocking and shaking, and the periodic maintenance is required in the later period. In addition, since various errors are always generated in machining and installation, and a plurality of times of adjustment is required for equipment transportation, it is necessary to measure installation reference and adjust transmission for a long time in order to ensure smooth transportation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a conveyer, can all have the cooperation buffering through adopting flexible connection structure between messenger's rack and the gear and between hanger body and the guide rail, both can reduce the installation and debugging degree of difficulty, can make wheel and rack fully mesh again, and avoided the card that rigid connection arouses to pause, abnormal sound, cracked scheduling problem of substrate.

In order to solve the technical problem, the utility model discloses a technical scheme be: the rack transmission mechanism is arranged on the rack, and the rack is fixedly connected with the rack in the rack transmission mechanism; the length direction of the hanger body is defined as the direction A, the width direction of the hanger body is defined as the direction B, and the height direction of the hanger body is defined as the direction C; the rack body is fixedly connected with the rack through a plurality of flexible connecting structures, and each flexible connecting structure comprises a limiting block fixed on the rack and opposite to the rack body, a groove formed in the rack body and used for the limiting block to move, a fixed shaft fixedly arranged in the groove, and a plurality of springs positioned on two sides of the fixed shaft; the axis direction of the fixed shaft is the B direction, a waist-shaped hole for the fixed shaft to penetrate through is formed in the limiting block, the length direction of the waist-shaped hole is the C direction, one end, close to the rack, of the waist-shaped hole is an a end, and the other end of the waist-shaped hole is a B end; the spring is positioned between the rack and the hanger body, one end of the spring is arranged on the hanger body, and the other end of the spring is arranged on the rack; under the action of the spring, the end b of the waist-shaped hole is abutted against the fixed shaft, and the gap between the rack and the hanger body is relatively maximum at the moment; when the end a of the waist-shaped hole is abutted against the fixed shaft by overcoming the elastic force of the spring, the clearance between the rack and the hanger body is relatively minimum.

Preferably, the groove penetrates through the hanger body in the direction B, two fixing plates are respectively arranged on two sides of the hanger body corresponding to the groove, and the fixing plates are opposite to the end parts of the fixing shafts; the fixing plate is detachably fixed on the hanger body; two ends of the fixed shaft correspondingly penetrate through the two fixed plates and extend out of the two fixed plates, and shaft snap springs are fixed on the two extending ends of the fixed shaft.

Preferably, the fixed shaft is further sleeved with a shaft sleeve.

Preferably, the hanger body is provided with a flat bottom hole for inserting the spring.

Preferably, the axis of the gear in the gear rack transmission mechanism is fixed when the gear is installed, and the gear is fixedly connected with the motor and driven by the motor to rotate.

Preferably, the hanger body is movably connected with the guide rail through rollers, and a plurality of pairs of rollers are rotatably arranged on the hanger body; the roller is rotatably matched on the guide rail, and the roller can roll along the guide rail.

Preferably, a plurality of flexible connection structures are distributed along the length direction of the hanger body.

The utility model has the advantages that: the flexible connection structure in the utility model enables the rack and the gear and the rack body and the guide rail to be provided with matching buffer, thereby not only reducing the processing precision, the installation requirement and the debugging difficulty of the whole transmission device, but also ensuring the full meshing of the gear and the rack, and avoiding the problems of blockage, abnormal sound, substrate cracking and the like caused by rigid connection; the problem of unsynchronization of front and rear gear drives is also relieved to a certain extent; the installation and operation are simple and convenient, the timeliness is high, and the method can be popularized and applied.

Drawings

Fig. 1 is a schematic perspective view of a preferred embodiment of a conveyor of the present invention;

fig. 2 is a schematic front view of a conveying device according to the present invention;

FIG. 3 is an enlarged partial schematic view of the structure at P in FIG. 2;

FIG. 4 is a schematic top view of the structure of FIG. 3;

fig. 5 is a schematic cross-sectional structure of fig. 4.

The parts in the drawings are numbered as follows: 1. a hanger body; 11. a roller; 2. a guide rail; 3. a gear; 4. a rack; 6. a flexible connection structure; 61. a limiting block; 62. a kidney-shaped hole; 63. a screw; 64. a groove; 65. a fixed shaft; 66. a spring; 67. a fixing plate; 68. a screw; 69. a shaft sleeve; 70. the shaft is provided with a clamp spring.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1 to 5, an embodiment of the present invention includes:

a transfer device, comprising: a gear rack transmission mechanism, a hanger body 1 and a guide rail 2. A gear 3 in the gear rack transmission mechanism is fixedly connected with a motor (not shown in the figure), and the motor drives the gear 3 to rotate so as to drive and control a rack 4 in the gear rack transmission mechanism to move; when the gear 3 is installed, the axis position is fixed, and the motor works to drive the gear 3 to rotate around the axis, namely, the motor can drive the gear rack transmission mechanism to act. The hanger body 1 is movably connected with the guide rail 2 through rollers 11, and four pairs of rollers 11 are rotatably arranged on the hanger body 1; the roller 11 is rotatably matched on the guide rail 2, and the roller 11 can roll along the guide rail 2, i.e. the hanger body 1 is limited to move back and forth along the guide rail 2. The hanger body 1 is fixedly connected with the rack 4 through a flexible connecting structure 6, and the hanger body 1 can move linearly back and forth along the guide rail 2 under the driving of the rack 4. The rack is characterized in that three flexible connecting structures 6 are arranged between the rack body 1 and the rack 4, the three flexible connecting structures 6 are distributed along the length direction of the rack body 1 to be stably connected with the rack 4 and the rack body 1, the position installation requirements of the rack body 1 and the rack 4 are low during installation, and the meshing transmission of the rack 4 and the gear 3 can be ensured.

The length direction of the hanger body 1 (the length direction is the moving direction of the hanger body 1) is defined as the direction a, the width direction of the hanger body 1 is defined as the direction B, and the height direction of the hanger body 1 is defined as the direction C.

The flexible connection structure 6 includes: a limiting block 61 fixed on the rack 4 through a screw 63 and opposite to the hanger body 1, a groove 64 formed on the hanger body 1 for the limiting block 61 to move, a fixed shaft 65 fixedly arranged in the groove 64, and two springs 66 positioned at two sides of the fixed shaft 65; the axis direction of fixed axle 65 does the B direction, be equipped with the confession on the stopper waist type hole 62 (waist shape hole, bar hole) that fixed axle 65 alternates, waist type hole 62's length direction does the C direction, be close to on the waist type hole 62 the one end of rack 4 is the a end, and the other end (keep away from the tip of rack 4 on the waist type hole 62) then is the B end. The waist-shaped hole 62 on the fixed shaft 65 can limit the moving direction and the moving distance of the limiting block 61; when the a end of the waist-shaped hole 62 abuts on the fixed shaft 65, the clearance between the rack 4 and the hanger body 1 is relatively minimum (the minimum clearance is minimum relative to the clearance value in other cases); when the b end of the waist-shaped hole 62 abuts against the fixed shaft 65, the gap between the rack 4 and the hanger body 1 is relatively maximum (the maximum gap is maximum relative to the gap value in other cases); the difference between the maximum clearance and the minimum clearance is an adjustable value, so that the installation precision can be reduced, and the larger the adjustable value is, the lower the overall installation requirement is. The spring 66 is positioned between the rack 4 and the hanger body 1, one end of the spring 66 is clamped on the hanger body 1, and the other end of the spring 66 abuts against the rack 4; the spring 66 ensures that the gap between the rack 4 and the hanger body 1 is the largest without external force, so that the rack 4 is conveniently pressed and the relative position of the rack 4 and the hanger body 1 is conveniently adjusted. This structural design not only can guarantee to be connected between rack 4 and the hanger body 1, can also reach and reduce position installation accuracy and ensure the driven purpose of the meshing of rack 4 and gear 3.

Specifically, the groove 64 penetrates through the hanger body 1 in the direction B, two fixing plates 67 are respectively arranged at positions corresponding to the groove 64 on two sides of the hanger body 1, and the fixing plates 67 are opposite to the end parts of the fixing shafts 65; the fixing plate 67 is fixedly mounted on the hanger body 1 through screws 68, and is convenient to detach and mount. The two ends of the fixed shaft 65 correspondingly penetrate through and extend out of the two fixing plates 67, shaft snap springs 70 are fixed on the two extending ends of the fixed shaft 65, and the fixed shaft 65 can be fixed and limited on the hanger body 1 by the shaft snap springs 70; the whole structure design is convenient to process and simple to assemble and disassemble.

Specifically, a sleeve 69 is further sleeved on the fixed shaft 65; the bushing 69 is added to prevent the abrasion of the fixed shaft 65 and to extend the life of the fixed shaft 65.

Specifically, a flat bottom hole for inserting the spring 66 is formed in the hanger body 1; the flat bottom hole can facilitate the placement of the spring 66, and the fixing and installation are easy.

The application mode of the conveying device in the continuous production type equipment with a linear series structure is as follows: all fixed mounting has a set of guide rail 2 and two at least motor drive unit (this motor drive unit is established gear 3 etc. on the motor output shaft by motor and fixed cover) in every cavity that carries out technology processing on the equipment, the transport mechanism that hanger body 1 and rack 4 etc. are constituteed receives motor drive unit's drive to round trip movement on guide rail 2, guide rail 2 in all cavities on the fixed mounting back equipment all lies in same straight line and keeps the parallel and level to make hanger body 1 can use guide rail 2 to make a round trip to shuttle back and forth when the conveying. Wherein, be provided with three pairs of gyro wheels 11 on the hanger body 1 at least, because set up between the cavity of equipment and the cavity and keep apart the transmission valve, guide rail 2 of following cavity and guide rail 2 in the preceding cavity can not seamless connection, keep apart the transmission valve for dodging, there is certain clearance between guide rail 2 and the next guide rail 2, thereby, hanger body 1 is in a certain moment through this clearance, one of them pair of gyro wheel 11 can be unsettled, the focus of tray can fall in the intermediate position of other pairs of gyro wheel 11 on hanger body 1 and the hanger body this moment, in order to ensure that the tray can not overturn. At least two motor driving devices are arranged in each cavity body because: if only one motor driving device is arranged in each cavity, and the length of the rack 4 is shorter than the distance between the motor driving devices in two adjacent cavities, the transmission mechanism enters into the other cavity from one cavity, the phenomenon that the transmission mechanism is separated from the driving of the motor driving device in the front cavity and is not driven by the motor driving device in the rear cavity occurs, so that two motor driving devices are arranged for ensuring that any movable position of the transmission mechanism on the guide rail 2 is driven by at least one motor driving device, the transmission effectiveness is ensured, and the length requirement on the rack 4 is reduced.

When the conveying device is applied, the number and the installation position of the driving gears 3 and the length of the rack 4 need to be considered in combination with actual conditions, and the rack 4 is ensured to be driven by at least one motor at any movable position of the guide rail 2.

The flexible connection structure 6 in the utility model can not only reduce the processing precision, the installation requirement and the debugging difficulty of the whole transmission device, but also ensure that the gear 3 and the rack 4 are fully meshed, and avoid the problems of blockage, abnormal sound, substrate cracking and the like caused by rigid connection; the problem that the front gear and the rear gear 3 are not synchronous in driving is relieved to a certain extent; the installation and operation are simple and convenient, the timeliness is high, and the method can be popularized and applied.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A conveying device comprises a gear rack transmission mechanism, a hanger body and a guide rail, wherein the hanger body is movably arranged on the guide rail and is fixedly connected with a rack in the gear rack transmission mechanism; the length direction of the hanger body is defined as the direction A, the width direction of the hanger body is defined as the direction B, and the height direction of the hanger body is defined as the direction C; the method is characterized in that: the rack body is fixedly connected with the rack through a plurality of flexible connecting structures, and each flexible connecting structure comprises a limiting block fixed on the rack and opposite to the rack body, a groove formed in the rack body and used for the limiting block to move, a fixed shaft fixedly arranged in the groove, and a plurality of springs positioned on two sides of the fixed shaft; the axis direction of the fixed shaft is the B direction, a waist-shaped hole for the fixed shaft to penetrate through is formed in the limiting block, the length direction of the waist-shaped hole is the C direction, one end, close to the rack, of the waist-shaped hole is an a end, and the other end of the waist-shaped hole is a B end; the spring is positioned between the rack and the hanger body, one end of the spring is arranged on the hanger body, and the other end of the spring is arranged on the rack; under the action of the spring, the end b of the waist-shaped hole is abutted against the fixed shaft, and the gap between the rack and the hanger body is relatively maximum at the moment; when the end a of the waist-shaped hole is abutted against the fixed shaft by overcoming the elastic force of the spring, the clearance between the rack and the hanger body is relatively minimum.

2. A transfer device according to claim 1, characterized in that: the groove penetrates through the hanger body in the direction B, two fixing plates are respectively arranged on two sides of the hanger body corresponding to the groove, and the fixing plates are opposite to the end parts of the fixing shafts; the fixing plate is detachably fixed on the hanger body; two ends of the fixed shaft correspondingly penetrate through the two fixed plates and extend out of the two fixed plates, and shaft snap springs are fixed on the two extending ends of the fixed shaft.

3. A conveyor apparatus as claimed in claim 1 or 2, wherein: the fixed shaft is further sleeved with a shaft sleeve.

4. A transfer device according to claim 1, characterized in that: the hanger body is provided with a flat bottom hole for the spring to be inserted into.

5. A transfer device according to claim 1, characterized in that: the gear in the gear rack transmission mechanism is fixed in the axis position when being installed, and the gear is fixedly connected with the motor and driven to rotate by the motor.

6. A transfer device according to claim 1, characterized in that: the hanger body is movably connected with the guide rail through rollers, and a plurality of pairs of rollers are rotatably arranged on the hanger body; the roller is rotatably matched on the guide rail, and the roller can roll along the guide rail.

7. A transfer device according to claim 1, characterized in that: the plurality of flexible connecting structures are distributed along the length direction of the hanger body.