CN210255348U - Feeding device capable of automatically centering - Google Patents

Abstract

The utility model relates to a feeding device capable of automatically centering, which comprises two groups of limiting mechanisms, wherein each group of limiting mechanisms respectively comprises a sliding part, a limiting part for restricting the sliding part to move only along the transverse direction, a plurality of springs and a fixing part for fixing one end of the spring, the springs are respectively arranged transversely, and the other ends of the springs are respectively connected with the sliding part; the two groups of limiting mechanisms are respectively symmetrically arranged at two sides of the conveying direction, the two sliding parts are respectively arranged in parallel along the longitudinal direction, and the two sliding parts respectively clamp the plate placed between the two sliding parts under the action of the elastic force of the spring; the feeding device provided by the utility model has compact structure, can be used for conveying plates, and can ensure that the plates are always in a centering conveying state in the conveying process, thereby effectively solving the defects in the prior art; the width of the conveyed sheet can be measured during conveying so as to remove unqualified sheets.

Description

Feeding device capable of automatically centering

Technical Field

The utility model relates to a mechanical equipment technical field, concretely relates to material feeding unit of ability automatic centering.

Background

The feeding device is a common conveying device, and is generally used for conveying materials, products, plates or the like to a next process, and is widely applied to industrial systems, particularly to automatic industrial systems.

However, the feeding device commonly used in the prior art can only simply convey the material forward, but cannot ensure that the material keeps a centering state in the conveying process, and particularly for the material with regular appearance, such as a plate, a packing box and the like, in the actual industrial process, the material usually needs to enter the next process in the centering state for subsequent processing, such as high-precision cutting, bending and the like of the plate.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an improve and exist among the prior art, material feeding unit can not realize the centering of material, when adopting artifical centering, problem with high costs, that the precision is low, the utility model discloses the technical scheme who adopts is:

a feeding device capable of automatically centering comprises two groups of limiting mechanisms, wherein each group of limiting mechanisms respectively comprises a sliding part, a limiting part for restricting the sliding part to move only along the transverse direction, a plurality of springs and a fixing part for fixing one end of each spring, the springs are respectively arranged transversely, and the other ends of the springs are respectively connected with the sliding part; the two groups of limiting mechanisms are symmetrically arranged on two sides of the conveying direction respectively, the two sliding portions are arranged in parallel along the longitudinal direction respectively, and the two sliding portions clamp the plate placed between the two sliding portions under the elastic force action of the springs respectively. During actual installation, the two groups of limiting mechanisms are respectively and symmetrically arranged at two sides of the conveying direction, namely the number and the arrangement positions of the springs in the two groups of limiting mechanisms are the same, and the center line between the two sliding parts is just positioned in the middle of the conveying direction (longitudinal direction), so that the centering is just realized; when carrying panel, panel is placed between two sliding parts to along vertical transport, because two sliding parts all can follow lateral shifting, thereby make the compressive capacity or the tensile volume of the spring in two sets of stop gear the same, make the panel that sets up between two sliding parts be in the state of centering transport all the time at the in-process of carrying, thereby can effectively solve exist not enoughly among the prior art.

In order to reduce the friction resistance of the plate in the process of centering conveying, in a further scheme, at least two rows of rolling bodies which are parallel to each other are arranged on one side of the sliding part, the rolling bodies can rotate at least along the longitudinal direction, and a gap for accommodating one end of the plate is arranged between every two adjacent rows of rolling bodies; the rolling bodies of the two sliding parts are opposite to each other. In the process of conveying the plates, the two ends of the plates are clamped in the gaps between the two rows of rolling bodies on the sliding part respectively, so that the plates can be horizontally kept and conveyed in a centering mode, the plates are in contact with the rolling bodies (in contact with the cambered surface) through four edges, rolling friction is adopted to replace sliding friction, the friction resistance in the conveying process is effectively reduced, the conveying power can be reduced, and the conveying cost is further reduced.

In a preferred scheme, the sliding part comprises an elongated slider, one side of the elongated slider is provided with a plurality of notches for restraining the rolling bodies, and the rolling bodies are respectively arranged in the notches. The rolling bodies arranged in the notches can rotate along the length direction (namely the longitudinal direction) of the strip-shaped sliding block and can rotate along any direction, and the plate conveying is facilitated.

Preferably, the rolling bodies are steel balls. The steel ball is wear-resistant, which is beneficial to prolonging the service life.

In one scheme, the limiting part comprises limiting plates which are respectively arranged at the front end and the rear end of the sliding part, and the two limiting plates are transversely arranged and are parallel to each other. A transverse sliding channel is formed between the two limiting plates, and the sliding part is limited between the two limiting plates, so that the sliding part can only transversely move along the channel, and the sliding part is prevented from longitudinally moving under the drive of the plates.

In another embodiment, the limiting portion includes a sliding groove, the sliding groove is of a rectangular structure, and the sliding portion is disposed in the sliding groove and limits the longitudinal movement of the sliding portion through two opposite side walls of the sliding groove.

In another scheme, the limiting part comprises at least one sliding rail which is transversely arranged, and sliding grooves which are matched with the sliding rails are respectively arranged on the sliding part. Through the cooperation of spout and slide rail for sliding part can be at lateral shifting under the guide effect of slide rail, and can prevent sliding part along longitudinal movement under the drive of panel through the cooperation of spout and slide rail.

In a preferred embodiment, the fixing portion is a fixing plate, the fixing plate is disposed on an outer side of the sliding portion, and the spring is a compression spring, or the fixing plate is disposed on an inner side of the sliding portion, and the spring is an extension spring. When the fixed plate set up in during the outside of sliding part, the spring sets up respectively between fixed plate and sliding part, and the spring need adopt compression spring, and the sliding part is when lateral shifting under the effect of panel, and extrusion spring for the spring produces elasticity under the state of compression, thereby presss from both sides tight panel, and like the same, when the fixed plate set up in during the inboard of sliding part, the spring sets up respectively between fixed plate and sliding part, and the spring need adopt extension spring, and when the sliding part lateral shifting under the effect of panel, make spring extension spring, thereby make the spring produce elasticity and press from both sides tight panel under tensile state.

Furthermore, the device also comprises a base, wherein a limiting part or a fixing part in the limiting mechanism is respectively fixed on the base, or is integrated with the base.

In order to facilitate the detection of the width of the conveyed plate, in a further scheme, the device further comprises a load cell and a processor, wherein the load cell is arranged at one end of the spring and used for detecting the elastic force of the spring and sending the elastic force to the processor, and the processor calculates the width of the plate according to the elastic force. When the plate is conveyed, the plate is clamped between the two sliding parts, the spring is in a stretching or compressing state, the processor can calculate the compression amount or the extension amount of the current spring (calculated according to hooke's law) by combining the parameters of the spring according to the elastic force (pressure or tension) detected by the force measuring sensor, and at the moment, the width of the plate is equal to the initial distance between the two sliding parts plus 2 times of the compression amount or the extension amount, so that the calculation of the width of the plate is realized, and the plate with the width which does not meet the requirement in the subsequent processing technology is screened out and removed.

Preferably, the load cell is a pressure sensor or a tension sensor.

Preferably, the processor can be a PC, a single chip microcomputer or an ARM chip and the like.

Furthermore, the plate material guiding device further comprises two guiding parts, wherein the two guiding parts are respectively arranged at one end of the sliding part and form a horn-shaped structure, and the guiding parts are used for guiding the plate material to enter between the two sliding parts. Because the distance between two sliding parts is less (the spring is in the original length state) at the beginning, and the arrangement of the guide part ensures that the feeding device can be suitable for plates with different widths.

Compared with the prior art, use the utility model provides a pair of material feeding unit of ability automatic centering has following beneficial effect:

1. the feeding device has a compact structure, can convey the plate, and can enable the plate to be always in a centering conveying state in the conveying process, so that the defects in the prior art can be effectively overcome.

2. The feeding device is suitable for conveying plates with different widths and ensures the centering of the plates.

3. This material feeding unit can be at the in-process of carrying, the width of measurement transported plate to reject unqualified plate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a front view of a feeding and centering device provided in embodiment 1 of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a right side view of a sliding portion in a feeding centering device according to embodiment 1 of the present invention.

Fig. 4 is a right side view of a slide rail in the feeding centering device provided in embodiment 1 of the present invention.

Fig. 5 is a front view of another feeding and centering device provided in embodiment 1 of the present invention.

Fig. 6 is a top view of fig. 5.

Fig. 7 is a partial top view of a feeding and centering device provided in embodiment 1 of the present invention.

Fig. 8 is a front view of another feeding and centering device provided in embodiment 1 of the present invention.

Fig. 9 is a front view of a position limiting mechanism in another feeding centering device provided in embodiment 2 of the present invention.

Description of the drawings

A limiting mechanism 101, a sliding part 102, a long strip-shaped sliding block 103, a notch 104, a rolling body 105, a fixing plate 106, a spring 107,

the position limiting plate 201, the sliding chute 202, the sliding rail 203,

the base plate 301 is provided with a plurality of grooves,

the pressure sensor 501 is arranged in the housing,

a sheet 601.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

In this embodiment, for convenience of description, the conveying direction of the plate material is defined as a longitudinal direction, and a direction perpendicular to the conveying direction of the plate material is defined as a transverse direction, which will not be described in detail later.

Example 1

Referring to fig. 1, fig. 2 and fig. 3, the present embodiment provides a feeding device capable of centering automatically, which includes two sets of limiting mechanisms 101, wherein each set of limiting mechanism 101 includes a sliding portion 102, a limiting portion for limiting the sliding portion 102 to move only in a transverse direction, a plurality of springs 107 and a fixing portion for fixing one end of the springs 107, the springs 107 are respectively disposed in the transverse direction, and the other ends of the springs 107 are respectively connected to the sliding portion 102; the two sets of limiting mechanisms 101 are respectively symmetrically arranged on two sides of the conveying direction, the two sliding portions 102 are respectively arranged in parallel along the longitudinal direction, and the two sliding portions 102 respectively clamp the plate 601 (usually, the cold-formed plate 601) placed between the two sliding portions 102 under the elastic force of the spring 107. During actual installation, the two groups of limiting mechanisms 101 are respectively and symmetrically arranged at two sides of the conveying direction, namely the number and the arrangement positions of the springs 107 in the two groups of limiting mechanisms 101 are the same, and the center line between the two sliding parts 102 is just positioned in the middle of the conveying direction (longitudinal direction), so that the centering is just realized; when conveying the plate 601, the plate 601 is placed between the two sliding portions 102 and is conveyed along the longitudinal direction, and the two sliding portions 102 can move along the transverse direction, so that the compression amount or the tension amount of the springs 107 in the two sets of limiting mechanisms 101 are the same, the plate 601 arranged between the two sliding portions 102 is always in a centering conveying state in the conveying process, and the defects in the prior art can be effectively overcome.

In order to reduce the frictional resistance of the plate 601 during the centering conveying process, in a further scheme, at least two rows of rolling bodies 105 which are parallel to each other are arranged on one side of the sliding part 102, the rolling bodies 105 can at least rotate along the longitudinal direction, and a gap for accommodating one end of the plate 601 is arranged between two adjacent rows of rolling bodies 105; the rolling bodies 105 of the two sliding portions 102 face each other. For example, as shown in fig. 1 and 3, in the process of conveying the plate material 601, both ends of the plate material 601 are respectively clamped in the gap between the two rows of rolling elements 105 on the sliding part 102, so that the plate material 601 can be conveyed in a centered manner while being kept horizontal, and the plate material 601 is contacted with the rolling elements 105 through four edges (contact between a line and a cambered surface), and rolling friction is adopted instead of sliding friction, so that the friction resistance in the conveying process is effectively reduced, the conveying power can be reduced, and the conveying cost is reduced.

In a preferred embodiment, the sliding part 102 includes an elongated slider 103, a plurality of notches 104 for constraining the rolling elements 105 are disposed on one side of the elongated slider 103, and the rolling elements 105 are respectively disposed in the notches 104. As shown in fig. 1 and 2, most of the volume of the rolling element 105 is clamped in the notch 104, so that on one hand, the rolling element 105 can be prevented from falling off, and on the other hand, the rolling element can rotate not only along the length direction (i.e., the longitudinal direction) of the elongated slider 103, but also along any direction, which is more beneficial for conveying the plate 601.

Preferably, the rolling bodies 105 are steel balls. The steel ball is wear-resistant, which is beneficial to prolonging the service life. It will be appreciated that in this embodiment, the size of rolling elements 105 and the gap between upper and lower rows of rolling elements 105 may be varied as desired to provide different thicknesses of sheet material 601.

The purpose of the limiting portion is to prevent the sliding portion 102 from moving along the longitudinal direction, so there are various specific embodiments of the limiting portion, wherein in a first preferred solution provided in this embodiment, the limiting portion includes limiting plates 201 respectively disposed at the front and rear ends of the sliding portion 102, the two limiting plates 201 are disposed transversely and parallel to each other, as shown in fig. 5 and fig. 6, a transverse sliding channel is formed between the two limiting plates 201, and the sliding portion 102 is limited between the two limiting plates 201, so that the sliding portion 102 can only move transversely along the channel, thereby preventing the sliding portion 102 from moving along the longitudinal direction under the driving of the plate 601.

In a second preferred embodiment provided by the present embodiment, the position-limiting portion includes a sliding groove 202, the sliding groove 202 has a rectangular structure, as shown in fig. 7, the sliding portion 102 is disposed in the sliding groove 202, and the sliding portion 102 is limited from moving longitudinally by two opposite side walls of the sliding groove 202, so that the sliding portion 102 can only move laterally along the channel.

In a third preferred embodiment provided in this embodiment, the limiting portion includes at least one sliding rail 203 transversely disposed, and the sliding portions 102 are respectively provided with sliding grooves 202 adapted to the sliding rail 203. The sliding rail 203 may be a sliding rail 203 commonly used in the prior art, for example, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, in this embodiment, a sliding rail 203 with a zigzag structure is adopted, a sliding groove 202 adapted to the sliding rail 203 is arranged on the sliding portion 102, and by the cooperation of the sliding groove 202 and the sliding rail 203, the sliding portion 102 can move transversely under the guiding action of the sliding rail 203, and by the cooperation of the sliding groove 202 and the sliding rail 203, the sliding portion 102 is prevented from moving longitudinally under the driving of the plate 601.

The fixing portion is used to fix one end of the spring 107, and in a preferred embodiment, the fixing portion includes a fixing plate 106, the fixing plate 106 is disposed on an outer side of the sliding portion 102, and the spring 107 is a compression spring 107, or the fixing plate 106 is disposed on an inner side of the sliding portion 102, and the spring 107 is an extension spring 107. When the fixed plate 106 is disposed on the outer side of the sliding part 102, as shown in fig. 1, the springs 107 are respectively disposed between the fixed plate 106 and the sliding part 102, and the springs 107 need to be compression springs 107, when the sliding part 102 is moved laterally under the action of the plate material 601, the springs 107 are pressed, so that the springs 107 generate elastic force in a compressed state, thereby clamping the plate material 601, and similarly, when the fixed plate 106 is disposed on the inner side of the sliding part 102, as shown in fig. 8, the springs 107 are respectively disposed between the fixed plate 106 and the sliding part 102, and the springs 107 need to be extension springs 107, when the sliding part 102 is moved laterally under the action of the plate material 601, the springs 107 are extended, so that the springs 107 generate elastic force in an extended state, thereby clamping the plate material 601.

In a further aspect, the device further includes a base 301, and the position-limiting parts or fixing parts in the position-limiting mechanism 101 may be respectively fixed to the base 301, for example, when the position-limiting parts are two position-limiting plates 201, the two position-limiting plates 201 may be fixed to the base 301, and the fixing plate 106 may also be fixed to the base 301; in addition, the limiting part or the fixing part of the limiting mechanism 101 may be integrated with the base 301; by way of example, the fixing plate 106 may be a plate machined from the base 301; when the limiting part is a sliding groove 202, the sliding groove 202 may be a groove directly machined on the base 301; when the limiting portion is a slide rail 203, the slide rail 203 may be a slide rail 203 directly machined on the base 301, which is not illustrated here.

It can be understood that the two limiting mechanisms 101 may be respectively installed on the two bases 301, or may be simultaneously installed on the same base 301, as shown in fig. 1 and fig. 2.

In a further embodiment, the device further includes two guiding portions, which are respectively disposed at one end of the sliding portions 102 and form a horn-shaped structure, and the guiding portions are used for guiding the plate 601 to enter between the two sliding portions 102. Because the distance between the two sliding parts 102 is small (the spring 107 is in the original length state) at the beginning, and the arrangement of the guide parts, the feeding device can be suitable for the plate materials 601 with different widths.

It is understood that the guide is adapted to the sliding part 102, and when the rolling body 105 is not provided on the sliding part 102, the rolling body 105 may not be provided on the guide, and when the rolling body 105 is provided on the sliding part 102, the rolling body 105 is also provided on the guide.

The feeding device provided by the embodiment is mainly used for automatically centering the plate in the plate conveying process, so as to be convenient for subsequent processing, in practical application, the feeding device can be matched with a conveying device commonly used in the prior art, the plate is driven to enter through the feeding device by the driving device in the prior conveying device, therefore, the feeding device can be used without a driving device for driving the sheet material to move forwards, for example, the feeding device can be arranged at the tail end of the existing plate conveying device (such as a conveying belt and the like) and is connected with equipment of the next process, the length of the conveyed plate is greater than that of the feeding device, therefore, the plate conveyed by the conveying device can be firstly input into the feeding device, and can be smoothly input into equipment of the next procedure after being centered by the feeding device.

Example 2

In order to detect the width of the conveyed plate 601, the feeding device provided in this embodiment further includes a load cell and a processor, wherein the load cell is disposed at one end of the spring 107, and is used for detecting the elastic force of the spring 107 and sending the elastic force to the processor, and the processor calculates the width of the plate 601 according to the elastic force. When the plate 601 is conveyed, the plate 601 is clamped between the two sliding portions 102, the spring 107 is in a stretching or compressing state, and according to the elastic force (pressure or tension) detected by the load cell, the processor can calculate the compression amount or the extension amount of the current spring 107 (calculated according to hooke's law) by combining the parameters of the spring 107, at this time, the width of the plate 601 is equal to the initial distance between the two sliding portions 102 plus 2 times of the compression amount or the extension amount, so that the calculation of the width of the plate 601 is realized, and the plate 601 with the width not meeting the requirement in the subsequent processing technology can be screened out and rejected.

In a preferred embodiment, the load cell is a pressure sensor 501 or a tension sensor. That is, when the spring 107 is a compression spring 107, the load cell is a pressure sensor 501, for example, the pressure sensor 501 may be disposed between the fixing plate 106 and the compression spring 107, as shown in fig. 9, for detecting the pressure of the compression spring 107 on the fixing plate 106; when the spring 107 is an extension spring 107, the load cell is the extension spring 107, and the load cell is a tension sensor, for example, the tension sensor may be disposed between the fixing plate 106 and the extension spring 107, and is configured to detect a tension of the extension spring 107 on the fixing plate 106; it will be appreciated that the number of load cells may be determined according to actual requirements, and one or two load cells may be disposed in a set of limiting mechanism 101.

The pressure sensor 501 and the tension sensor are commonly used in the prior art, and are not described herein.

In a preferred scheme, the processor can be a PC, a single chip microcomputer or an ARM chip and the like. In this embodiment, the processor is also an industrial PC, and the industrial PC is connected to a display to display data.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.

Claims (10)

1. The feeding device capable of automatically centering is characterized by comprising two groups of limiting mechanisms, wherein each group of limiting mechanisms respectively comprises a sliding part, a limiting part for restricting the sliding part to only move along the transverse direction, a plurality of springs and a fixing part for fixing one end of each spring, the springs are respectively transversely arranged, and the other ends of the springs are respectively connected with the sliding part; the two groups of limiting mechanisms are symmetrically arranged on two sides of the conveying direction respectively, the two sliding portions are arranged in parallel along the longitudinal direction respectively, and the two sliding portions clamp the plate placed between the two sliding portions under the elastic force action of the springs respectively.

2. The feeding device capable of automatically centering according to claim 1, wherein at least two rows of rolling bodies parallel to each other are arranged on one side of the sliding part, the rolling bodies can rotate at least along the longitudinal direction, and a gap for accommodating one end of a plate is arranged between two adjacent rows of rolling bodies; the rolling bodies of the two sliding parts are opposite to each other.

3. The feeding device capable of automatically centering according to claim 2, wherein the sliding part comprises an elongated slider, one side of the elongated slider is provided with a plurality of notches for restraining the rolling bodies, and the rolling bodies are respectively arranged in the notches.

4. The feeding device capable of automatically centering according to claim 1, wherein the limiting part comprises limiting plates respectively arranged at the front end and the rear end of the sliding part, and the two limiting plates are transversely arranged and are parallel to each other.

5. The feeding device capable of automatically centering according to claim 1, wherein the limiting portion comprises a sliding groove, the sliding groove has a rectangular structure, the sliding portion is disposed in the sliding groove, and the sliding portion is limited from moving longitudinally by two mutually opposite side walls of the sliding groove.

6. The feeding device capable of automatically centering according to claim 1, wherein the limiting part comprises at least one sliding rail arranged transversely, and sliding grooves matched with the sliding rails are respectively arranged on the sliding parts.

7. The feeding device capable of automatically centering according to claim 1, wherein the fixing portion is a fixing plate disposed outside the sliding portion and the spring is a compression spring, or the fixing plate is disposed inside the sliding portion and the spring is an extension spring.

8. The feeding device capable of automatically centering according to any one of claims 1 to 7, further comprising a base, wherein a limiting part or a fixing part of the limiting mechanism is fixed on the base respectively, or is integrated with the base.

9. The feeding device capable of automatically centering according to any one of claims 1 to 7, further comprising a load cell and a processor, wherein the load cell is arranged at one end of the spring and used for detecting the elastic force of the spring and sending the elastic force to the processor, and the processor calculates the width of the plate according to the elastic force; the force sensor is a pressure sensor or a tension sensor.

10. The feeding device capable of automatically centering according to any one of claims 1 to 7, further comprising two guiding portions, wherein the two guiding portions are respectively arranged at one end of the sliding portion and form a horn-shaped structure, and the guiding portions are used for guiding the plate material to enter between the two sliding portions.

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