CN211643573U - Step feeder with variable step length - Google Patents
Step feeder with variable step length Download PDFInfo
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- CN211643573U CN211643573U CN201922369331.3U CN201922369331U CN211643573U CN 211643573 U CN211643573 U CN 211643573U CN 201922369331 U CN201922369331 U CN 201922369331U CN 211643573 U CN211643573 U CN 211643573U
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- feeder
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Abstract
The utility model provides a step-by-step feeder of variable step belongs to the conveying equipment field, including frame, conveyer belt, one-way ratchet, slider, a plurality of meshing module 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 part is arranged on the frame and can slide in a forward and reverse reciprocating manner. The plurality of meshing modules are detachably arranged on the sliding piece respectively and distributed along the sliding direction of the sliding piece, each meshing module is rotatably provided with a ratchet which is used for meshing with the one-way ratchet wheel when the sliding piece slides in the forward direction and separating from the one-way ratchet wheel when the sliding piece slides in the reverse direction. The telescopic unit is arranged on the frame and used for driving the sliding piece to reciprocate. The utility model discloses a step-by-step feeder of variable step, flexible unit carry out marching type through ratchet and one-way ratchet's cooperation drive conveyer belt and carry out the step-by-step transport, and compact structure can be through the number of the last meshing module of increase and decrease slider, and the adjustment step satisfies actual need.
Description
Technical Field
The utility model belongs to the technical field of conveying equipment, more specifically say, relate to a step-by-step feeder of variable step length.
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. A stepping feeder adopting a ratchet structure for driving is provided at present, but the step length of the stepping feeder cannot be adjusted, and the actual requirement is difficult to meet.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a step-by-step feeder of variable step to solve the adoption ratchet structure driven step-by-step feeder that exists among the prior art, the unable adjustment of step is difficult to satisfy actual need's technical problem.
In order to achieve the above object, the utility model provides a technical scheme be, provide a step-by-step feeder of variable step length, 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 in a reciprocating manner in the forward direction and the reverse direction;
the meshing modules are respectively detachably arranged on the sliding piece and distributed along the sliding direction of the sliding piece, each meshing module is rotatably provided with a ratchet, and the ratchet is used for meshing with the one-way ratchet wheel when the sliding piece slides in the forward direction and separating 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 this application, be equipped with rectangular regulation hole on the slider, the major axis of regulation hole with the sliding direction of slider is parallel, be equipped with a plurality of edges in the regulation hole the connecting piece of regulation hole major axis position adjustable, it is a plurality of the meshing module is respectively with a plurality of the connecting piece is connected.
As another embodiment of the present application, a supporting block is disposed on the sliding member, the supporting block is located on a reverse side of the engagement module, and a retractable abutting member is disposed on the supporting block, and the abutting member abuts against the engagement module and is used for limiting the engagement module to move in a reverse direction relative to the abutting member.
As another embodiment of the present application, the engaging module includes a base having 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.
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 meshing module is positioned above the one-way ratchet wheel, and the tooth ends of the ratchet teeth droop to be meshed with the one-way ratchet wheel.
As another embodiment of the application, a back plate is arranged on the rack, the sliding part is positioned between the back plate and the one-way ratchet wheel, the back surface of the sliding part is in sliding fit with the plate surface of the back plate, and the engaging module is arranged on the front surface of the sliding part; the rack is also provided with a guide clamping block, and a guide groove for accommodating the sliding part 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 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 of variable step length's beneficial effect lies in: compared with the prior art, the utility model discloses step-by-step feeder of variable step 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. And the number of the meshing modules on the sliding part can be increased or decreased, the angle that the sliding part reciprocates to drive the ratchet wheel to rotate once is changed, the distance of single conveying of the conveying belt is further changed, the step length of the step-by-step feeder with the variable step length can be adjusted, and the actual requirement is met.
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 with variable step length provided by 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;
fig. 4 is a top view of the slider 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-adjustment holes; 42-a connector; 43-a support block; 44-an abutment; 45-a second screw; 5-engaging the module; 51-a base; 52-accommodating grooves; 53-ratchet; 54-an elastic member; 6-a telescopic unit; 61-a first screw; 62-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. 4, a step feeder with a variable step length according to an embodiment of the present invention will be described. A variable step feeder, comprising: the device comprises a frame 1, a conveyor belt 2, a one-way ratchet 3, a sliding piece 4, a plurality of meshing modules 5 and a telescopic unit 6.
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 part 4 is arranged on the frame 1 and can slide in the forward direction and the reverse direction in a reciprocating way. The plurality of meshing modules 5 are respectively and detachably arranged on the sliding piece 4 and distributed along the sliding direction of the sliding piece 4, each meshing module 5 is rotatably provided with a ratchet 53, and the ratchet 53 is used for meshing with the one-way ratchet 3 when the sliding piece 4 slides in the forward direction and separating from the one-way ratchet 3 when the sliding piece 4 slides in the reverse direction. The telescopic unit 6 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 of variable step adopts conveyer belt 2 to carry out the transport of material, can adopt the same conveyer belt 2 with traditional continuous feeder, need not to carry out special design, the cost is reduced. Adopt flexible unit 6 drive slider 4 reciprocating motion, when slider 4 forward slip, slider 4 drives conveyer belt 2 through ratchet 53 and one-way ratchet 3 meshing and carries, and when slider 4 backward slip, ratchet 53 and one-way ratchet 3 separation, conveyer belt 2 can not return to realize marching type pay-off, the structure is compacter, makes the volume of complete machine less. And can change slider 4 reciprocating motion once and drive ratchet pivoted angle through the number of increase and decrease meshing module 5 on slider 4, and then change 2 single transport distances of conveyer belt, realize the step length of the step-by-step feeder of adjustment variable step length, satisfy actual need.
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 sliding member 4 is driven by the telescopic unit 6 to slide on the frame 1 in a reciprocating manner in the horizontal forward direction and the horizontal reverse direction, and when the sliding member 4 slides in the forward direction, the ratchet 53 on the engaging module 5 is engaged with the one-way ratchet 3 to drive the driving shaft to rotate, so that the conveying belt 2 conveys the material backwards. The number of the meshing modules 5 on the slider 4 determines the number of rotations of the unidirectional ratchet 3 during a single forward sliding of the slider 4. For example, when the sliding member 4 is provided with two engaging modules 5, the sliding member 4 slides forward once, and the ratchets 53 on the two engaging modules 5 are sequentially engaged with the one-way ratchet 3 to drive the one-way ratchet 3 to rotate twice; when the sliding part 4 is provided with three engaging modules 5, the sliding part 4 slides forwards once, and the ratchets 53 on the three engaging modules 5 are sequentially engaged with the one-way ratchet 3 to drive the one-way ratchet 3 to rotate three times. When the sliding piece 4 slides reversely, the ratchet teeth 53 on the meshing module 5 are separated from the one-way ratchet 3, and the conveying belt 2 stops conveying, so that the conveying belt 2 realizes step conveying.
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 engagement module 5 may be detachably connected to the slider 4 by a bolt. The engagement module 5 may be a module including a base 51 and a ratchet 53 hinged on the base 51, the base 51 being detachably connected to the slider 4 by a bolt. The telescopic unit 6 may be an oil cylinder or an air cylinder, and the telescopic unit 6 may be arranged coaxially with the slider 4 to drive the slider 4 to slide back and forth along the axial direction thereof.
Please refer to fig. 2 and fig. 4, as a specific implementation manner of the step feeder with variable step length provided by the present invention, a long adjusting hole 41 is provided on the sliding member 4, the long axis of the adjusting hole 41 is parallel to the sliding direction of the sliding member 4, a plurality of connecting members 42 with adjustable positions along the long axis of the adjusting hole 41 are provided in the adjusting hole 41, and a plurality of engaging modules 5 are respectively connected with the plurality of connecting members 42. With this structure, by adjusting the position of the link member 42 along the long axis of the adjustment hole 41, and thus adjusting the position of each engagement module 5 with respect to the slider 4 in the sliding direction of the slider 4, it can be ensured that the ratchet teeth 53 on each engagement module 5 can be engaged with the one-way ratchet 3 during the forward sliding of the slider 4.
In this embodiment, the sliding member 4 may be a long strip with a horizontal plate surface, and the adjusting hole 41 vertically penetrates through the sliding member 4. The adjustment hole 41 is elongated and has a long axis parallel to the sliding direction of the slider 4. The connecting member 42 vertically passes through the adjusting hole 41, the upper end of the connecting member 42 is caught on the upper side of the adjusting hole 41, and the lower end is connected with the engaging module 5, so that the connecting member 42 can slide along the long axis of the adjusting hole 41. Specifically, the engaging module 5 may be a module including a base 51 provided with a receiving groove 52, and the lower end of the connecting member 42 is connected to the base 51. The connecting element 42 can be a screw, which clamps the sliding element 4 by means of a nut and the engagement module 5, so that the engagement module 5 is fixed to the sliding element 4.
Referring to fig. 2 and 4, as a specific embodiment of the step feeder with variable step length provided by the present invention, a supporting block 43 is disposed on the sliding member 4, the supporting block 43 is located at the opposite side of the engaging module 5, a retractable abutting member 44 is disposed on the supporting block 43, and the abutting member 44 abuts against the engaging module 5 to limit the engaging module 5 from moving in the opposite direction relative to the abutting member 44. By the structure, when the ratchet 53 is meshed with the one-way ratchet 3, the meshing module 5 slides along the sliding piece 4 in the reverse direction under the action force of the one-way ratchet 3, so that the conveying precision is not influenced.
In this embodiment, the supporting block 43 is fixed to the opposite end of the slider 4. Depending on the position of the engagement module 5 on the slide 4, the abutment 44 may be retractable to maintain abutment with the engagement module 5. The abutment member 44 may be a bolt screwed to the support block 43, and one end of the bolt abuts against the engagement module 5. Specifically, the engaging module 5 may be a base 51 including a receiving groove 52, and the abutting piece 44 abuts against an end surface opposite to the base 51.
Referring to fig. 2, as a specific embodiment of the step feeder with variable step length provided by the present invention, the engaging module 5 includes a base 51 having a receiving groove 52, and a rotating shaft end of the ratchet 53 is located in the receiving groove 52; when the tooth end of the ratchet 53 is engaged with the one-way ratchet 3, the inner wall of the receiving groove 52 on the opposite side abuts against the ratchet 53 to restrict the rotation of the ratchet 53. The inner wall of the opposite side of the accommodating groove 52 is abutted to the ratchet 53 to limit the rotation of the ratchet 53, so that the inner wall of the accommodating groove 52 can support the ratchet 53, and the stress of the rotating shaft of the ratchet 53 is reduced.
In this embodiment, the engagement module 5 is detachably connected to the slider 4 via the base 51. The inner wall of the opposite side of the accommodating groove 52 is matched with the side surface of the ratchet 53, when the ratchet 53 rotates to be attached to the inner wall of the accommodating groove 52, the ratchet 53 cannot continue to rotate, the tooth end of the ratchet 53 can be just meshed with the one-way ratchet 3, the acting force of the one-way ratchet 3 on the ratchet 53 is transmitted to the inner wall of the accommodating groove 52, and therefore the stress of the rotating shaft of the ratchet 53 is reduced.
Referring to fig. 2, as a specific embodiment of the step feeder with variable step length provided by the present invention, an elastic member 54 is disposed between the bottom of the accommodating groove 52 and the tooth end of the ratchet 53, and the elastic member 54 is used for pushing the tooth end of the ratchet 53 to swing close to the one-way ratchet 3. The elastic piece 54 pushes the tooth end of the ratchet 53 to swing close to the one-way ratchet 3, so that the ratchet 53 can be meshed with the one-way ratchet 3 at any time.
In this embodiment, the elastic member 54 can be a compression spring located in the receiving groove 52.
Referring to fig. 2, as a specific embodiment of the step feeder with variable step length provided by the present invention, the engaging module 5 is located above the one-way ratchet 3, and the tooth end of the ratchet 53 is drooped to engage with the one-way ratchet 3. The tooth end of the ratchet 53 is drooped, so that the tooth end of the ratchet 53 can be kept meshed with the one-way ratchet 3 by gravity of the tooth end of the ratchet 53, the structure is simplified, and the reliability is improved.
In this embodiment, the sliding member 4 is horizontally disposed above the unidirectional ratchet 3, and the engaging module 5 is disposed below the sliding member 4 and above the unidirectional ratchet 3, so that the tooth ends of the ratchet teeth 53 droop under the action of their own gravity and can engage with the unidirectional ratchet 3 at any time.
In this embodiment, an elastic member 54 may still be provided between the groove bottom of the receiving groove 52 and the tooth end of the ratchet 53 to ensure that the tooth end of the ratchet 53 can be engaged with the one-way ratchet 3.
Referring to fig. 2, as a specific implementation manner of the step feeder with variable step length 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 engaging module 5 is disposed on the front surface of the sliding member 4; the frame 1 is further provided with a guide clamping block 12, and a guide groove for accommodating the sliding part 4 is formed between the guide clamping block 12 and the back plate 11. When the one-way ratchet 3 is meshed with the ratchet 53, the one-way ratchet 3 has an acting force for bending and deforming the sliding piece 4 and separating the ratchet 53 from the one-way ratchet 3 to the sliding piece 4 through the meshing module 5, and by adopting the structure, the back plate 11 can support the sliding piece 4 and prevent the ratchet 53 from being separated from the one-way ratchet 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. The engagement module 5 is provided on the front face of the slide 4. The engagement module 5 includes a base 51 and a ratchet 53, the base 51 being attached to the front of the slider 4. Ratchet teeth 53 are rotatably provided on the lower side of the base 51, and the teeth end droop to engage with the lower one-way ratchet 3.
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.
In this embodiment, the sliding member 4 may be a long strip plate with a horizontal plate surface, and the sliding member 4 is provided with an adjusting hole 41 penetrating vertically. The opening at the upper end of the adjusting hole 41 is provided with a counter bore structure, so that the upper end of the connecting piece 42 can be clamped in the counter bore, and the interference between the upper end of the connecting piece 42 and the back plate 11 is avoided.
Referring to fig. 2, as a specific implementation manner of the step feeder with variable step length provided by the present invention, an adjusting structure is disposed between the telescopic end of the telescopic unit 6 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 6.
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 6 is adjusted by the adjusting structure, so that the ratchet 53 on the slider 4 can be engaged with the one-way ratchet 3 during the telescopic process of the telescopic unit 6. The adjustment structure can be adjusted for a plurality of engagement modules 5 at a time.
Referring to fig. 2, as a specific implementation manner of the step feeder with variable step length provided by the present invention, the adjusting structure includes: a first screw 61, a second screw 45 and an adjusting sleeve 62.
The first screw 61 is provided on the telescopic end of the telescopic unit 6. The second screw 45 is provided on the slider 4, and has an axis collinear with the axis of the first screw 61 and a thread direction opposite to that of the first screw 61. The two ends of the adjusting sleeve 62 are respectively in threaded connection with the first screw 61 and the second screw 45.
In this embodiment, the telescopic unit 6 may be a cylinder or an oil cylinder, the sliding member 4 is a long strip, the sliding member 4 and the telescopic unit 6 are located on a straight line, and the telescopic end of the telescopic unit 6 faces the sliding member 4. The first screw 61 is coaxially provided on the telescopic end of the telescopic unit 6, and the second screw 45 is coaxially provided on the end of the slider 4 near the telescopic unit 6 such that the first screw 61 and the second screw 45 are opposed. Both ends of the adjusting sleeve 62 are respectively screwed with the first screw 61 and the second screw 45, so that the slider 4 can be made to approach or be kept away from the telescopic unit 6 by rotating the adjusting sleeve 62, thereby achieving adjustment of the position of the telescopic end of the slider 4 relative to the telescopic unit 6 in the sliding direction of the slider 4.
Referring to fig. 3, as a specific embodiment of the step feeder with variable step size provided by 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 6 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 (10)
1. Step-by-step feeder of variable step length, its characterized in that includes:
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 in a reciprocating manner in the forward direction and the reverse direction;
the meshing modules are respectively detachably arranged on the sliding piece and distributed along the sliding direction of the sliding piece, each meshing module is rotatably provided with a ratchet, and the ratchet is used for meshing with the one-way ratchet wheel when the sliding piece slides in the forward direction and separating 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.
2. The step feeder according to claim 1, wherein the sliding member has an elongated adjusting hole, the long axis of the adjusting hole is parallel to the sliding direction of the sliding member, the adjusting hole has a plurality of connecting members adjustable along the long axis of the adjusting hole, and the plurality of engaging modules are respectively connected to the plurality of connecting members.
3. The step feeder according to claim 2, wherein the sliding member is provided with a support block located on a reverse side of the engagement module, and the support block is provided with a retractable abutment member abutting against the engagement module for limiting a reverse movement of the engagement module relative to the abutment member.
4. The variable step size feeder of claim 1, wherein the engagement module comprises a base having a receiving slot, the pivot end of the ratchet being located in the receiving slot; 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.
5. The step feeder of variable step size according to claim 4, wherein an elastic member is provided between the bottom of the receiving groove and the tooth end of the ratchet for urging the tooth end of the ratchet to swing close to the one-way ratchet.
6. The variable step size feeder of any one of claims 1 to 5, wherein the engagement module is located above the one-way ratchet wheel, and the teeth of the ratchet teeth droop to engage with the one-way ratchet wheel.
7. The step feeder according to any one of claims 1 to 5, wherein a back plate is disposed on the frame, 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 engaging module is disposed on a front surface of the sliding member; the rack is also provided with a guide clamping block, and a guide groove for accommodating the sliding part is formed between the guide clamping block and the back plate.
8. The step feeder of any one of claims 1 to 5, wherein an adjusting structure is provided between the telescopic end of the telescopic unit and the sliding member, and the adjusting structure is used for adjusting the position of the sliding member relative to the telescopic end of the telescopic unit in the sliding direction of the sliding member.
9. The variable step feeder of claim 8, wherein the adjustment structure comprises:
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.
10. The step feeder of any one of claims 1 to 5, wherein the frame comprises two side frames disposed opposite to each other, the conveyor belt is disposed between the two side frames, the driving shaft penetrates out of the two side frames, and the one-way ratchet is disposed outside the two side frames and detachably connected to the driving shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922369331.3U CN211643573U (en) | 2019-12-25 | 2019-12-25 | Step feeder with variable step length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922369331.3U CN211643573U (en) | 2019-12-25 | 2019-12-25 | Step feeder with variable step length |
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| Publication Number | Publication Date |
|---|---|
| CN211643573U true CN211643573U (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922369331.3U Active CN211643573U (en) | 2019-12-25 | 2019-12-25 | Step feeder with variable step length |
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| CN (1) | CN211643573U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112388110A (en) * | 2020-11-03 | 2021-02-23 | 彭冰 | Feeding structure and automatic processing equipment |
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2019
- 2019-12-25 CN CN201922369331.3U patent/CN211643573U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112388110A (en) * | 2020-11-03 | 2021-02-23 | 彭冰 | Feeding structure and automatic processing equipment |
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