CN210175822U

CN210175822U - Speed-controllable feeding device

Info

Publication number: CN210175822U
Application number: CN201920818108.XU
Authority: CN
Inventors: Hao Jin; 金浩
Original assignee: Chongqing Feng Chuan Electronic Technology Co Ltd
Current assignee: Chongqing Feng Chuan Electronic Technology Co Ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-03-24
Anticipated expiration: 2029-05-31

Abstract

The utility model belongs to the technical field of keyboard processing feeding equipment, specifically be controllable material feeding unit of speed, including the support, the guide rail has set firmly on the support, and sliding connection has the slider on the guide rail, and the below parallel arrangement of guide rail has the lead screw, and the lead screw is connected with the leg joint, slider and lead screw thread fit, and the below of guide rail is equipped with actuating mechanism, actuating mechanism includes servo motor and drive mechanism, and servo motor passes through connecting plate and guide rail fixed connection, servo motor's output shaft and drive mechanism's input fixed connection, lead screw and drive mechanism's output fixed connection. This scheme has solved material feeding unit's among the prior art problem that speed is single.

Description

Speed-controllable feeding device

Technical Field

The utility model belongs to the technical field of keyboard processing feeding equipment, specifically be controllable material feeding unit of speed.

Background

When the keyboard bottom plate is processed, the keyboard bottom plate needs to be fed by the feeding device, so that the burden of workers is reduced. The existing feeding device comprises a driving mechanism, the driving mechanism comprises a screw rod and a motor, and the screw rod is coaxially and fixedly connected with an output shaft of the motor, so that the motor drives the screw rod to rotate. The rotating speed of the motor is constant, so that the rotating speed of the screw rod is also constant, the feeding speed of the feeding device is kept unchanged, and the feeding speed is not adjusted according to the processing condition of the workpiece.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a controllable material feeding unit of speed to solve material feeding unit's among the prior art problem that speed is single.

In order to achieve the purpose, the utility model discloses a basic scheme provides a controllable material feeding unit of speed, including the support, the guide rail has set firmly on the support, and sliding connection has the slider on the guide rail, and the below parallel arrangement of guide rail has the lead screw, and the lead screw is connected with the leg joint, slider and lead screw thread fit, and the below of guide rail is equipped with actuating mechanism, actuating mechanism includes servo motor and drive mechanism, and servo motor passes through connecting plate and guide rail fixed connection, servo motor's output shaft and drive mechanism's input fixed connection, lead screw and drive mechanism's output fixed connection.

The principle and the beneficial effect of the basic scheme are as follows: through setting up the support for support servo motor and lead screw. And a screw rod is arranged and used for converting the rotary motion into linear motion. The servo motor is arranged and used for driving the screw rod to rotate, and meanwhile, the servo motor can achieve speed adjustment, so that different speeds can be obtained. The transmission mechanism is used for changing the transmission ratio between the screw rod and the servo motor, so that the rotating speed of the screw rod can be changed under the condition that the rotating speed of the servo motor is not changed. Through the cooperation of servo motor, drive mechanism and lead screw, can realize carrying out adjustment control to material feeding unit's speed to satisfy different pay-off demands.

Furthermore, the transmission mechanism is a belt transmission mechanism, the belt transmission mechanism comprises a driving wheel, a driven wheel and a transmission belt, the transmission ratio of the driven wheel to the driving wheel is greater than one, the driving wheel is coaxially and fixedly connected with an output shaft of the servo motor, the driven wheel is coaxially and fixedly connected with the screw rod, and the transmission belt is wound on the driving wheel and the driven wheel simultaneously. The belt transmission mechanism is selected, so that the noise in transmission is low, and the noise of the working environment is favorably reduced. The transmission ratio of the driven wheel to the driving wheel is set to be larger than one, so that the rotating speed of the lead screw is larger than that of the servo motor, and the purpose of increasing the feeding speed is achieved.

Furthermore, the transmission belt is a synchronous toothed belt, and the driving wheel and the driven wheel are both provided with tooth parts meshed with the synchronous toothed belt. The transmission belt is preferably a synchronous toothed belt, so that the transmission efficiency is increased, and the phenomenon of slipping is avoided.

Further, the connecting plate includes first riser and second riser, first riser and second riser mutually perpendicular and fixed connection, and the axis of first riser and guide rail sets up perpendicularly, and servo motor fixes on first riser, and the axis setting that the second riser is on a parallel with the guide rail, and the bottom of guide rail is equipped with the spread groove that can hold the second riser, and the second riser inserts in the spread groove and is connected with the guide rail through the bolt.

Further, the lateral part of guide rail is equipped with the blind hole that holds the bolt. Through setting up the blind hole, conveniently be used for placing the nut position of bolt to make the nut of bolt can not bulge in the lateral part of guide rail, make the profile of guide rail keep level and smooth, make things convenient for the slip of slider.

Further, the nut of the bolt is in sliding fit with the blind hole along the axial direction of the blind hole. With nut and blind hole sliding fit, make the nut can not rotate in the blind hole to conveniently utilize the lateral wall of blind hole to form centre gripping limiting displacement to the nut, thereby need not to fix the nut when the screw rod of wrong bolt, conveniently connect.

Furthermore, tooth parts on the driving wheel and the driven wheel are both hollow cylindrical. Set tooth portion to hollow cylindric, be favorable to increasing the area of contact of tooth portion and air to be favorable to the quick heat dissipation that dispels of tooth portion, less friction heat's between tooth portion and the belt accumulation.

Furthermore, one end of the driven wheel, which is close to the screw rod, is coaxially and fixedly connected with a baffle plate, a through hole communicated with the tooth part is formed in the baffle plate, and an air deflector is fixedly arranged on one side, away from the driven wheel, of the through hole. The belt is prevented from sliding off the driven wheel by arranging the baffle; meanwhile, through the arrangement of the through hole and the air guide plate, in the rotating process of the baffle plate, air is introduced into the through hole and finally introduced into the cavity of the tooth part by the air guide plate, so that air flow is formed inside the tooth part, the heat of the tooth part is taken away by the air flow, and the heat dissipation effect of the tooth part is enhanced.

Drawings

FIG. 1 is a schematic view of an embodiment of a speed controllable feeding device according to the present invention;

fig. 2 is a full sectional view of the driven wheel of fig. 1.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the guide rail device comprises a guide rail 1, a screw rod 2, a sliding block 3, a blind hole 4, a nut 5, a driven wheel 6, a transmission belt 7, a driving wheel 8, a second vertical plate 9, a first vertical plate 10, a servo motor 11, an air deflector 12, a baffle 13 and a heat dissipation channel 14.

The embodiment is basically as shown in the attached figure 1: controllable material feeding unit of speed, including the support, the welding has guide rail 1 on the support, and sliding connection has slider 3 on guide rail 1. A screw rod 2 is arranged below the guide rail 1 in parallel, and the screw rod 2 is rotatably connected with the bracket through a bearing. The sliding block 3 is in threaded fit with the screw rod 2, and a feeding part is arranged on the sliding block 3. The bottom of guide rail 1 is equipped with the spread groove along the axial, and the lateral part of guide rail 1 is equipped with and is located same water flat line's blind hole 4 with the spread groove, and the bottom of blind hole 4 is equipped with the connecting hole with the spread groove intercommunication. A driving mechanism is arranged below the guide rail 1, the driving mechanism comprises a servo motor 11 and a transmission mechanism, the servo motor is a servo motor with a servo controller in the prior art, the type of the servo controller is MCDLT35SF-200V produced by Panasonic corporation, the type of the servo motor is MHMF082L1U2M, a connecting plate is arranged between the servo motor 11 and the guide rail 1, the connecting plate comprises a first vertical plate 10 and a second vertical plate 9, and the first vertical plate 10 and the second vertical plate 9 are mutually vertically arranged and welded; the second vertical plate 9 is inserted into the connecting groove, the second vertical plate 9 is provided with a bolt hole corresponding to the connecting hole, and the connecting bolt penetrates through the connecting hole and the bolt hole to fixedly connect the second vertical plate 9 with the guide rail 1. The first vertical plate 10 is located the downside of second vertical plate 9, and servo motor 11 passes through screw fixed mounting on first vertical plate 10.

Be equipped with drive mechanism between servo motor 11 and lead screw 2, drive mechanism preferably is synchronous cog belt mechanism, drive mechanism includes action wheel 8, from driving wheel 6 and synchronous transmission belt 7, the drive ratio of following driving wheel 6 and action wheel 8 is two, action wheel 8 is located the one side that servo motor 11 is dorsad to first riser 10, action wheel 8 is connected with the coaxial parallel key of servo motor 11's output shaft, from the coaxial parallel key of tip of driving wheel 6 and lead screw 2 to be connected, action wheel 8 and from all being equipped with tooth portion on the driving wheel 6, synchronous transmission belt 7 twines simultaneously on action wheel 8 and from driving wheel 6. The tooth part of the driven wheel 6 is in a hollow cylindrical shape, and a heat dissipation channel 14 along the length direction is arranged in the middle of the tooth part. A baffle 13 is coaxially arranged at one end of the driven wheel 6 close to the screw rod 2, and the baffle 13 is welded with the driven wheel 6; the baffle 13 is provided with a through hole communicated with the heat dissipation channel 14 of the tooth part, and one side of the through hole, which is far away from the driven wheel 6, is welded with an arc-shaped air deflector 12.

The specific implementation process is as follows: the servo motor 11 is controlled to drive the driving wheel 8 to rotate, the driving wheel 8 drives the driven wheel 6 to rotate through the synchronous transmission belt 7, the driven wheel 6 drives the screw rod 2 to rotate, and the screw rod 2 drives the sliding block 3 to move along the guide rail 1. The forward and reverse rotation directions of the servo motor 11 are controlled, so that the screw rod 2 is rotated forward and reverse, the reciprocating motion of the sliding block 3 along the guide rail 1 is realized, and the feeding operation of the sliding block 3 is realized. Through controlling the rotating speed of the servo motor 11, the rotating speed of the screw rod 2 is adjusted, and the purpose of controlling the feeding speed is achieved.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. Controllable material feeding unit of speed, including the support, the guide rail has set firmly on the support, and sliding connection has the slider on the guide rail, and the below parallel arrangement of guide rail has the lead screw, and the lead screw is connected with the support rotation, slider and lead screw thread fit, and the below of guide rail is equipped with actuating mechanism, its characterized in that: the driving mechanism comprises a servo motor and a transmission mechanism, the servo motor is fixedly connected with the guide rail through a connecting plate, an output shaft of the servo motor is fixedly connected with an input end of the transmission mechanism, and the lead screw is fixedly connected with an output end of the transmission mechanism.

2. The controllable speed feeding device of claim 1, wherein: the transmission mechanism is a belt transmission mechanism, the belt transmission mechanism comprises a driving wheel, a driven wheel and a transmission belt, the transmission ratio of the driven wheel to the driving wheel is larger than one, the driving wheel is coaxially and fixedly connected with an output shaft of the servo motor, the driven wheel is coaxially and fixedly connected with the screw rod, and the transmission belt is wound on the driving wheel and the driven wheel simultaneously.

3. A controllable speed feeding device as claimed in claim 2, wherein: the transmission belt is a synchronous toothed belt, and the driving wheel and the driven wheel are both provided with tooth parts meshed with the synchronous toothed belt.

4. A controllable speed feeding device as claimed in claim 3, wherein: the connecting plate includes first riser and second riser, first riser and the mutually perpendicular and fixed connection of second riser, and the axis of first riser and guide rail sets up perpendicularly, and servo motor fixes on first riser, and the axis setting that the second riser is on a parallel with the guide rail, and the bottom of guide rail is equipped with the spread groove that can hold the second riser, and the second riser inserts in the spread groove and is connected with the guide rail through the bolt.

5. The controllable speed feeding device of claim 4, wherein: and blind holes for accommodating bolts are formed in the side parts of the guide rails.

6. The controllable speed feeding device of claim 5, wherein: and the nut of the bolt is in sliding fit with the blind hole along the axial direction of the blind hole.

7. The controllable speed feeding device of claim 6, wherein: the tooth parts on the driving wheel and the driven wheel are both hollow cylindrical.

8. The controllable speed feeding device of claim 7, wherein: one end of the driven wheel, which is close to the screw rod, is coaxially and fixedly connected with a baffle, a through hole communicated with the tooth part is formed in the baffle, and an air deflector is fixedly arranged on one side, away from the driven wheel, of the through hole.