CN211643607U

CN211643607U - Step feeder

Info

Publication number: CN211643607U
Application number: CN201922369333.2U
Authority: CN
Inventors: 曹珍; 马铭均; 王子良
Original assignee: Hebei College of Industry and Technology
Current assignee: Hebei College of Industry and Technology
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-10-09
Anticipated expiration: 2029-12-25

Abstract

The utility model provides a step-by-step feeder belongs to the conveying equipment field, including frame, conveyer belt, one-way ratchet, slider and flexible unit. The conveyer belt is arranged on the frame and is provided with a driving shaft. The one-way ratchet wheel is arranged on the driving shaft. The sliding piece is arranged on the rack in a reciprocating sliding mode in the forward direction and the reverse direction, and ratchets are arranged on the sliding piece in a rotating mode and used for being meshed with the one-way ratchet wheel when the sliding piece slides in the forward direction and being separated from the one-way ratchet wheel when the sliding piece slides in the reverse direction. The telescopic unit is used for driving the sliding piece to slide in a reciprocating mode. The utility model provides a step-by-step feeder can adopt the same conveyer belt with traditional continuous feeder, need not to carry out special design, the cost is reduced. The telescopic unit is adopted to drive the sliding piece to reciprocate, the sliding piece drives the conveying belt to realize stepping feeding through the matching of the ratchet and the one-way ratchet, the structure is more compact, and the size of the whole machine is smaller.

Description

Step feeder

Technical Field

The utility model belongs to the technical field of conveying equipment, more specifically say, relate to a step-by-step feeder.

Background

The step feeder is a conveying device which intermittently conveys materials by taking step length as a unit. The existing stepping feeder mostly adopts a structure that a feeding part is driven by a link mechanism to do reciprocating motion so as to realize intermittent stepping feeding. However, the size of the whole stepping feeder is large due to the large size of the link mechanism, and the structure of the feeding part is different from that of the conventional continuous feeder, so that special design is required to realize reciprocating motion, and the cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a step-by-step feeder to solve the most part of step-by-step feeder that exists among the prior art and can not exchange with continuous feeder, lead to the higher technical problem of cost of producer simultaneous production two kinds of conveying equipment.

In order to achieve the above object, the utility model discloses a technical scheme be, provide a step feeder, include:

a frame;

the conveying belt is arranged on the rack and is provided with a driving shaft;

the one-way ratchet wheel is arranged on the driving shaft;

the sliding piece is arranged on the rack and can slide back and forth along the forward direction and the reverse direction, and ratchets are arranged on the sliding piece in a rotating mode and are used for being meshed with the one-way ratchet wheel when the sliding piece slides forward and being separated from the one-way ratchet wheel when the sliding piece slides in the reverse direction; and

and the telescopic unit is arranged on the rack and used for driving the sliding piece to slide in a reciprocating manner.

As another embodiment of the present application, the sliding member is provided with an accommodating groove, and a rotating shaft end of the ratchet is located in the accommodating groove; when the tooth end of the ratchet is engaged with the one-way ratchet, the inner wall of the reverse side of the accommodating groove is abutted to the ratchet to limit the rotation of the ratchet.

As another embodiment of the application, an elastic piece is arranged between the groove bottom of the accommodating groove and the tooth end of the ratchet, and the elastic piece is used for pushing the tooth end of the ratchet to swing close to the one-way ratchet.

As another embodiment of the application, the sliding piece is positioned above the one-way ratchet wheel, and the tooth end of the ratchet is drooped to be meshed with the one-way ratchet wheel.

As another embodiment of the present application, a back plate is disposed on the rack, the sliding member is disposed between the back plate and the one-way ratchet wheel, a back surface of the sliding member is in sliding fit with a plate surface of the back plate, and the ratchet is disposed on a front surface of the sliding member.

As another embodiment of the present application, a guide clamping block is further disposed on the frame, and a guide groove for accommodating the sliding member is formed between the guide clamping block and the back plate.

As another embodiment of the present application, an adjusting structure is disposed between the telescopic end of the telescopic unit and the sliding member, and the adjusting structure is configured to adjust a position of the sliding member in a sliding direction of the sliding member relative to the telescopic end of the telescopic unit.

As another embodiment of the present application, the adjusting structure includes:

the first screw is arranged on the telescopic end of the telescopic unit;

the second screw rod is arranged on the sliding part, the axis of the second screw rod is collinear with the axis of the first screw rod, and the thread turning direction of the second screw rod is opposite to that of the first screw rod; and

and two ends of the adjusting sleeve are respectively in threaded connection with the first screw rod and the second screw rod.

As another embodiment of the present application, the number of the ratchet teeth is two or more, and the two or more ratchet teeth are distributed along the sliding direction of the slider.

As another embodiment of this application, the frame includes two relative side frames that set up, the conveyer belt is located two between the side frame, the drive shaft is worn out two outside the side frame, one-way ratchet is located two outside the side frame and with the connection can be dismantled to the drive shaft.

The embodiment of the utility model provides a step-by-step feeder's beneficial effect lies in: compared with the prior art, the utility model discloses step-by-step feeder adopts the conveyer belt to carry out the transport of material, can adopt the same conveyer belt with traditional continuous feeder, need not to carry out special design, the cost is reduced. The telescopic unit is adopted to drive the sliding part to reciprocate, when the sliding part slides forwards, the sliding part drives the conveying belt to convey through the meshing of the ratchets and the one-way ratchet wheel, when the sliding part slides backwards, the ratchets and the one-way ratchet wheel are separated, and the conveying belt cannot return, so that the stepping type feeding is realized, the structure is more compact, and the size of the whole machine is smaller.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a front view of a step feeder provided in an embodiment of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a top view of fig. 1.

Wherein, in the figures, the respective reference numerals:

1-a frame; 11-a back plate; 12-a guide clamping block; 13-sideframe; 2-a conveyor belt; 3-one-way ratchet wheel; 4-a slide; 41-an accommodating groove; 42-ratchet; 43-an elastic member; 44-a second screw; 5-a telescopic unit; 51-a first screw; 52-adjusting sleeve.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to fig. 3, a step feeder according to an embodiment of the present invention will be described. A step feeder, comprising: frame 1, conveyer belt 2, one-way ratchet 3, slider 4 and telescoping unit 5.

The conveyor belt 2 is provided on the frame 1 and has a drive shaft. The one-way ratchet 3 is arranged on the driving shaft. The sliding piece 4 is arranged on the machine frame 1 in a reciprocating sliding way along the forward direction and the reverse direction, the sliding piece 4 is provided with ratchet teeth 42 in a rotating way, and the ratchet teeth 42 are used for being meshed with the one-way ratchet wheel 3 when the sliding piece 4 slides forwards and being separated from the one-way ratchet wheel 3 when the sliding piece 4 slides reversely. The telescopic unit 5 is arranged on the frame 1 and used for driving the sliding piece 4 to slide back and forth.

Compared with the prior art, the utility model discloses step-by-step feeder adopts the conveyer belt to carry out the transport of material, can adopt the same conveyer belt with traditional continuous feeder, need not to carry out special design, the cost is reduced. Adopt flexible unit 5 to drive slider 4 reciprocating motion, when slider 4 forward slip, slider 4 drives conveyer belt 2 through ratchet 42 and the meshing of one-way ratchet 3 and carries, and when slider 4 backward slip, ratchet 42 and the separation of one-way ratchet 3, conveyer belt 2 can not return to realize marching type pay-off, the structure is compacter, makes the volume of complete machine less.

In this embodiment, the frame 1 may be a frame structure made of steel members, and the conveyor belt 2 is horizontally installed at an upper portion of the frame 1. The conveying belt 2 may be a belt body including a driving roller and a driven roller which are oppositely disposed in parallel and wound around the driving roller and the driven roller. The pivot of drive roller one end forms the drive shaft, and the drive shaft passes through the drive roller and drives the area body and rotate to the material on the conveyer belt body. The driving roller and the driven roller are respectively rotatably provided on both ends of the frame 1. The belt body can be a flexible belt, can also be a metal mesh belt, and can also be a chain plate formed by sequentially hinging a plurality of metal plates.

In this embodiment, the slider 4 is driven by the telescopic unit 5 to slide reciprocally in the horizontal forward and backward directions on the frame 1. When the sliding piece 4 slides forwards, the ratchet 42 is meshed with the one-way ratchet 3 to drive the driving shaft to rotate, so that the material is conveyed backwards by the conveyor belt 2; when the slider 4 slides in the reverse direction, the ratchet teeth 42 are disengaged from the one-way ratchet 3, and the conveyor belt 2 stops conveying, so that the conveyor belt 2 is conveyed stepwise. Specifically, the slider 4 is a long straight bar or a long strip. The sliding part 4 can be arranged on the frame 1 and can slide along the axial direction of the sliding part. The sliding part 4 can be installed on the frame 1 through a structure that a sliding rail and a sliding block are matched, or a sliding groove is arranged on the frame 1, and the sliding part 4 is installed in the sliding groove in a sliding manner to realize the sliding arrangement on the frame 1. The telescopic unit 5 may be an oil cylinder or an air cylinder, and the telescopic unit 5 may be arranged coaxially with the sliding member 4 to drive the sliding member 4 to slide back and forth along the axial direction thereof.

Referring to fig. 1 and fig. 2, as a specific embodiment of the stepping feeder of the present invention, a receiving groove 41 is disposed on the sliding member 4, and a rotating shaft end of the ratchet 42 is located in the receiving groove 41; when the tooth end of the ratchet 42 is engaged with the one-way ratchet 3, the inner wall of the receiving groove 41 on the opposite side abuts against the ratchet 42 to restrict the rotation of the ratchet 42. The inner wall of the opposite side of the accommodating groove 41 is abutted to the ratchet 42 to limit the rotation of the ratchet 42, so that the inner wall of the accommodating groove 41 can support the ratchet 42, and the stress of the rotating shaft of the ratchet 42 is reduced.

In this embodiment, the inner wall of the opposite side of the accommodating groove 41 is matched with the side surface of the ratchet 42, when the ratchet 42 rotates to be attached to the inner wall of the accommodating groove 41, the ratchet 42 cannot rotate continuously, the tooth end of the ratchet 42 can be just meshed with the one-way ratchet 3, the acting force of the one-way ratchet 3 on the ratchet 42 is transmitted to the inner wall of the accommodating groove 41, and therefore the stress of the rotating shaft of the ratchet 42 is reduced.

Referring to fig. 1 and 2, as a specific embodiment of the step feeder of the present invention, an elastic member 43 is disposed between the bottom of the accommodating groove 41 and the tooth end of the ratchet 42, and the elastic member 43 is used for pushing the tooth end of the ratchet 42 to swing close to the one-way ratchet 3. The elastic piece 43 pushes the tooth end of the ratchet 42 to swing close to the one-way ratchet 3, so that the ratchet 42 can be meshed with the one-way ratchet 3 at any time.

In this embodiment, the elastic member 43 may be a compression spring located in the receiving groove 41.

Referring to fig. 1 and 2, as a specific embodiment of the step feeder of the present invention, the sliding member 4 is located above the one-way ratchet 3, and the end of the ratchet 42 is drooped to engage with the one-way ratchet 3. The tooth end of the ratchet 42 is drooped, so that the gravity of the tooth end of the ratchet 42 can keep the tooth end of the ratchet 42 meshed with the one-way ratchet 3, thereby simplifying the structure and improving the reliability.

In this embodiment, the slider 4 is horizontally disposed above the unidirectional ratchet 3, and the ratchet 42 is disposed on the lower side of the slider 4, so that the tooth end of the ratchet 42 hangs down under the action of its own weight and can be engaged with the unidirectional ratchet 3 at any time.

In this embodiment, an elastic member 43 may still be provided between the groove bottom of the receiving groove 41 and the tooth end of the ratchet 42 to ensure that the tooth end of the ratchet 42 can engage with the one-way ratchet 3.

Referring to fig. 1 and fig. 2, as a specific implementation manner of the stepping feeder provided by the present invention, a back plate 11 is disposed on the frame 1, the sliding member 4 is located between the back plate 11 and the one-way ratchet 3, the back surface of the sliding member 4 is in sliding fit with the surface of the back plate 11, and the ratchet 42 is disposed on the front surface of the sliding member 4. When the one-way ratchet wheel 3 is meshed with the ratchet teeth 42, the one-way ratchet wheel 3 has an acting force which enables the sliding piece 4 to be bent and deformed and enables the ratchet teeth 42 to be separated from the one-way ratchet wheel 3 to the sliding piece 4 through the ratchet teeth 42, and by adopting the structure, the back plate 11 can support the sliding piece 4 and prevent the ratchet teeth 42 from being separated from the one-way ratchet wheel 3 due to deformation of the sliding piece 4.

In this embodiment, the back plate 11 is horizontally disposed. The sliding member 4 is located below the back plate 11 and horizontally disposed, the upper side surface of the sliding member 4 is a back surface which is attached to and slides on the lower side surface of the back plate 11, and the lower side surface of the sliding member 4 is a front surface. Ratchet teeth 42 are provided on the front face of the slider 4, and the tooth tips droop to engage with the underlying one-way ratchet 3.

Referring to fig. 1 and 2, as a specific embodiment of the stepping feeder of the present invention, a guiding clamping block 12 is further disposed on the frame 1, and a guiding groove for accommodating the sliding member 4 is formed between the guiding clamping block 12 and the back plate 11.

In this embodiment, the guide clamping block 12 is located below the back plate 11, and a horizontal guide groove is formed between the guide clamping block 12 and the corresponding portion of the back plate 11. One end of the slider 4 is slidably disposed in the guide groove so that the slider 4 can horizontally slide reciprocally.

Referring to fig. 1 and fig. 2, as a specific embodiment of the stepping feeder provided by the present invention, an adjusting structure is disposed between the telescopic end of the telescopic unit 5 and the sliding member 4, and the adjusting structure is used for adjusting the position of the sliding member 4 in the sliding direction of the sliding member 4 relative to the telescopic end of the telescopic unit 5.

In the present embodiment, the position of the slider 4 in the sliding direction of the slider 4 relative to the telescopic end of the telescopic unit 5 is adjusted by the adjusting structure, so that the ratchet 42 on the slider 4 can be engaged with the one-way ratchet 3 during the telescopic process of the telescopic unit 5.

Referring to fig. 2, as a specific implementation manner of the step feeder provided by the present invention, the adjusting structure includes: a first screw 51, a second screw 44 and an adjusting sleeve 52.

The first screw 51 is provided on the telescopic end of the telescopic unit 5. The second screw 44 is provided on the slider 4 with an axis collinear with the axis of the first screw 51 and with a direction of thread opposite to that of the first screw 51. The two ends of the adjusting sleeve 52 are respectively connected with the first screw 51 and the second screw 44 in a threaded manner.

In this embodiment, the telescopic unit 5 may be a cylinder or an oil cylinder, the sliding member 4 is a long strip, the sliding member 4 and the telescopic unit 5 are located on a straight line, and the telescopic end of the telescopic unit 5 faces the sliding member 4. The first screw 51 is coaxially provided on the telescopic end of the telescopic unit 5, and the second screw 44 is coaxially provided on the end of the slider 4 near the telescopic unit 5 such that the first screw 51 and the second screw 44 are opposed. Both ends of the adjusting sleeve 52 are respectively screwed with the first screw 51 and the second screw 44, so that the position of the slider 4 relative to the telescopic end of the telescopic unit 5 in the sliding direction of the slider 4 can be adjusted by moving the slider 4 closer to or farther from the telescopic unit 5 by rotating the adjusting sleeve 52.

Referring to fig. 1 and 2, as a specific embodiment of the step feeder of the present invention, the number of the ratchets 42 is two or more, and the two or more ratchets 42 are distributed along the sliding direction of the sliding member 4. The adoption makes flexible unit 5 once can drive one-way ratchet 3 through a plurality of ratchet 42 and rotate bigger angle, and then makes conveyer belt 2 carry a great step length.

In this embodiment, a plurality of ratchet teeth 42 are provided on the front surface of the slider 4, and the direction of each ratchet tooth 42 is the same, and the ratchet teeth can be engaged with the unidirectional ratchet 3. The telescopic unit 5 adopts a cylinder or an oil cylinder with longer telescopic distance, so that each ratchet 42 can be meshed with the one-way ratchet 3 once in the process of once telescopic of the telescopic end of the telescopic unit 5.

Referring to fig. 3, as a specific embodiment of the stepping feeder of the present invention, the frame 1 includes two side frames 13 disposed oppositely, the conveyor belt 2 is disposed between the two side frames 13, the driving shaft penetrates out of the two side frames 13, and the one-way ratchet 3 is disposed outside the two side frames 13 and detachably connected to the driving shaft. By adopting the structure, the one-way ratchet wheel 3 can be replaced by a motor during production, so that a continuous conveyor is manufactured, and the product is convenient to transform.

In this embodiment, the side frames 13 may be frame structures made of steel members, the conveyor belt 2 is disposed between the two side frames 13, and the unidirectional ratchet 3, the slider 4, and the telescopic unit 5 are disposed outside the same side frame 13. Rotating shafts at two ends of a driven roller of the conveyor belt 2 are respectively and rotatably connected with the two side frames 13 through bearings, rotating shafts at two ends of a driving roller of the conveyor belt 2 are respectively and rotatably connected with the two side frames 13 through bearings, and the rotating shaft at one end of the driving roller penetrates through the side frames 13 to form a driving shaft. The ratchet wheel can be detachably connected with the driving shaft of the conveyor belt 2 through a flange structure, and can also be sleeved on the driving shaft of the conveyor belt 2 through a sleeve hole.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Step-by-step feeder, its characterized in that includes:

a frame;

the one-way ratchet wheel is arranged on the driving shaft;

2. The stepping feeder according to claim 1, wherein the sliding member is provided with a receiving groove, and a rotating shaft end of the ratchet is located in the receiving groove; when the tooth end of the ratchet is engaged with the one-way ratchet, the inner wall of the reverse side of the accommodating groove is abutted to the ratchet to limit the rotation of the ratchet.

3. The step feeder of claim 2, wherein an elastic member is disposed between the groove bottom of the receiving groove and the tooth end of the ratchet for pushing the tooth end of the ratchet to swing close to the one-way ratchet.

4. The feeder of claim 1, wherein the slider is positioned above the one-way ratchet wheel, and the teeth of the ratchet teeth depend to engage the one-way ratchet wheel.

5. The stepping feeder according to claim 1, wherein a back plate is provided on the frame, the sliding member is located between the back plate and the one-way ratchet, a back surface of the sliding member is in sliding fit with a plate surface of the back plate, and the ratchet is provided on a front surface of the sliding member.

6. The step feeder of claim 5, wherein the frame further comprises a guide clamping block, and a guide groove for accommodating the sliding member is formed between the guide clamping block and the back plate.

7. The step feeder of any one of claims 1 to 6, wherein an adjustment structure is provided between the telescopic end of the telescopic unit and the slider, the adjustment structure being for adjusting a position of the slider in a sliding direction of the slider with respect to the telescopic end of the telescopic unit.

8. The feeder of claim 7, wherein the adjustment structure comprises:

the first screw is arranged on the telescopic end of the telescopic unit;

9. The step feeder of any one of claims 1 to 6, wherein the number of the ratchet teeth is two or more, and the two or more ratchet teeth are distributed along the sliding direction of the slider.

10. The stepping feeder according to any one of claims 1 to 6, wherein the frame comprises two side frames arranged oppositely, the conveyor belt is arranged between the two side frames, the driving shaft penetrates out of the two side frames, and the one-way ratchet wheel is positioned outside the two side frames and detachably connected with the driving shaft.