CN210498165U

CN210498165U - Stepped feeding structure

Info

Publication number: CN210498165U
Application number: CN201921311385.8U
Authority: CN
Inventors: 刘惠敏; 牛检伟; 司俊超; 张延寿; 王峰
Original assignee: CENTRAL PLAINS LEADER RAILWAY TRACK TECHNOLOGY DEVELOPMENT CO LTD
Current assignee: CENTRAL PLAINS LEADER RAILWAY TRACK TECHNOLOGY DEVELOPMENT CO LTD
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-05-12
Anticipated expiration: 2029-08-14

Abstract

The utility model discloses a stepped feeding structure, which comprises a supporting base, wherein a feeding trough, a stepped feeding plate group and a material pouring channel are sequentially arranged on the supporting base along the horizontal direction, and a bottom trough plate of the feeding trough is downwards inclined and extends to the stepped feeding plate group; the ladder feeding plate group comprises four feeding plates which are arranged in parallel, the feeding plates are arranged along the width direction of the feeding groove, and a material guide inclined plane is arranged on one side, facing the material dumping channel, of the upper end part of each feeding plate; four feeding plates of the ladder feeding plate group are sequentially a first feeding plate, a second feeding plate, a third feeding plate and a fourth feeding plate, the first feeding plate is close to a bottom groove plate of the feeding groove, the fourth feeding plate is close to a dumping channel, and the first feeding plate and the third feeding plate are connected with a feeding lifting driving device for driving the feeding lifting driving device to lift. The utility model discloses flitch group circulation repetition feed supplement and material loading operation state on the well ladder will go up the spike in the silo and constantly promote to the passageway of tipping over to realize the beat formula material loading.

Description

Stepped feeding structure

Technical Field

The utility model relates to a spike production technical field especially relates to a cascaded material loading structure.

Background

The spike is one of the important parts in the rail fastener of railway, plays the effect of guaranteeing the rail gauge in use, is the key part of guaranteeing driving safety. The spike bolt body needs to be threaded after being formed, the spike bolt body is usually threaded by a spike bolt thread rolling machine in the prior art, the spike bolt body needing to be processed is taken out through a single manual piece during operation and then heated, and after the spike bolt body needing to be processed reaches the temperature capable of rolling threads, the spike bolt body is placed into a fixing clamp of the spike bolt thread rolling machine to be subjected to thread rolling operation.

Although the related automatic spike feeding device is disclosed, the practical use effect is not ideal.

For example, the utility model patent with publication number CN202377450U discloses a spike blank conveying device for a spike rolling machine. At present, a spike blank transmission device for a spike thread rolling machine with reasonable structural design does not exist, and the overall performance of the spike thread rolling machine is reduced. The utility model is characterized in that: the vibration blanking device comprises a vibration disc, a vibration motor, at least three spring seats and springs with the number equal to that of the spring seats, and a discharge port is formed in the vibration disc; the material blocking device comprises a left guide rail, a right guide rail, a material blocking cylinder, a sliding frame, a connecting shaft, a front material blocking rod and a rear material blocking rod, wherein the left guide rail is parallel to the right guide rail; the feeding device comprises a transmission groove, a conveying chain and a motor; the discharging device comprises a discharging cylinder and a discharging clamping hand; the chain conveying device comprises a driving device and a transmission chain, and the discharging clamping hand is matched with the clamping piece. The utility model has the advantages of reasonable design, low in labor strength, work efficiency is high.

Utility model like notice number CN207188727U provides a spiral spike production facility and spiral spike production system, belongs to mechanical equipment technical field. The spiral spike production equipment comprises a discharging device, a feeding device, a material arranging device, a conveying device, a transferring device, a forging device and a control device. The discharging device is used for fixing the first hopper and discharging the first hopper; the feeding device is used for receiving the materials output by the first hopper and outputting the materials in parallel and in sequence; the control device is used for controlling the discharging device, the feeding device, the material arranging device, the conveying device, the transferring device and the forging device. The spiral spike nail production equipment can automatically produce spiral spike nails through automatic production equipment, the production efficiency is greatly improved, the quality of produced products is high, and the production cost is greatly reduced.

For example, utility model No. CN207329671U discloses a discharger to solve the problem of unordered arrangement of diameter-reducing bars. The lower surface of the floating baffle and the upper surface of the conveying mechanism are enclosed to form a channel through which the diameter-reduced bars pass in a single row; the gravity sensing block is configured to selectively abut against the first limit screw or the first mechanical reversing valve; the fixed part of the first telescopic mechanism is arranged on the second vertical plate, the movable part of the first telescopic mechanism is connected with the fixed part of the second telescopic mechanism, and the far end of the movable part of the second telescopic mechanism is provided with a discharging shifting fork; the first mechanical reversing valve is linked with the second telescopic mechanism so as to enable the movable part of the second telescopic mechanism to be close to or far away from the conveying mechanism; the second mechanical reversing valve is arranged at the far end of the movable part of the second telescopic mechanism and can be selectively abutted against or far away from the second vertical plate; the second mechanical reversing valve is linked with the first telescopic mechanism so that the movable part of the first telescopic mechanism pushes the second telescopic mechanism to approach or depart from.

The invention as the publication number CN106238663B discloses a full-automatic hot pier head production system of a railway screw spike, which comprises: the heating device comprises an automatic feeding machine, a medium-frequency heating tank, a medium-frequency heating power supply and a rotary pulsating feeding mechanism, wherein the discharge end of the automatic feeding machine is arranged at a notch at the top of the medium-frequency heating tank, the medium-frequency heating power supply is connected with and controls the medium-frequency heating tank, and the rotary pulsating feeding mechanism is disc-shaped and is arranged at the notch at the bottom of the medium-frequency heating tank; grabbing device, it includes first manipulator, first guide rail, second manipulator, second guide rail, pier nose mould, feeding spout, and the import setting of feeding spout is at rotatory pulsation feed mechanism, and first guide rail, second guide rail are with arranging and pier nose mould setting between the two, and pier nose mould is provided with punch press liftout mechanism. The beneficial effects of the utility model reside in that, implement and realize full automated production.

However, the disclosed scheme has the defect of disordered loading of the road nails, and the phenomenon of material blocking still occurs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cascaded material loading structure.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a stepped feeding structure comprises a supporting base, wherein a feeding groove, a stepped feeding plate group and a material pouring channel are sequentially arranged on the supporting base along the horizontal direction, and a bottom groove plate of the feeding groove inclines downwards and extends to the stepped feeding plate group; the ladder feeding plate group comprises four feeding plates which are arranged in parallel, the feeding plates are arranged along the width direction of the feeding groove, and a material guide inclined plane is arranged on one side, facing the material dumping channel, of the upper end part of each feeding plate;

the four feeding plates of the ladder feeding plate group are sequentially a first feeding plate, a second feeding plate, a third feeding plate and a fourth feeding plate, the first feeding plate is arranged close to a bottom groove plate of the feeding groove, the fourth feeding plate is arranged close to the dumping channel, the first feeding plate and the third feeding plate are connected with a feeding lifting driving device for driving the first feeding plate and the third feeding plate to lift, the second feeding plate keeps a middle position, namely is higher than the bottom groove plate of the feeding groove and lower than the dumping channel, and the fourth feeding plate keeps a high position, namely is higher than the dumping channel;

the step feeding plate group has two operation states of feeding and material feeding, when in the feeding state, the first feeding plate is at a low position and is flush with the bottom groove plate of the feeding groove, and the third feeding plate is at a low position and is lower than the second feeding plate; when in a feeding state, the first feeding plate rises from a low position to a middle position and is flush with the second feeding plate; the third feeding plate rises from a low position to a high position and is higher than the fourth feeding plate; the material feeding plate group on the ladder repeats material feeding and material feeding operation states, and the spike in the feeding groove is continuously lifted to the material dumping channel.

The one end of the material pouring channel is hinged with the supporting base, the other end of the material pouring channel is connected with a material pouring lifting driving device for driving the material pouring channel to lift, the hinged end of the material pouring channel is arranged as a discharge hole, the width of the material pouring channel is larger than the diameter of a column body of the spike and smaller than the diameter of the head of the spike, the material pouring channel is in a horizontal state when receiving the spike, and when the spike is poured, one end of the material pouring channel is lifted under the action of the material pouring lifting driving device, and the spike is conveyed to the discharging mechanism from the discharge hole.

The material pouring channel comprises a material pouring channel seat which is horizontally arranged, an open groove which is arranged along the width direction of the feeding groove is arranged on the material pouring channel seat, and the width of the open groove is larger than the diameter of a column body of the spike and smaller than the diameter of the head of the spike.

The feeding lifting driving device comprises a lifting slide rail which is vertically arranged, the first feeding plate and the third feeding plate extend downwards and are connected with the same lifting slide seat through a connecting rod, the lifting slide seat is matched with the lifting slide rail in a sliding guide mode, and the lifting slide seat is connected with a crank through the connecting rod to form a crank block mechanism.

The material returning inclined plates are arranged on the opposite sides of the stepped material feeding plate groups of the material pouring channels, the material returning inclined plates are fixed with the supporting base, and the material returning inclined plates are arranged in a downward inclined mode towards the material pouring channels.

The utility model has the advantages that:

1. the utility model discloses well ladder formula feeding structure is through going up the silo, flitch group and the cooperation realization of the passageway of fascinating in the ladder, four of ladder feeding plate group go up the flitch and be first material loading plate in proper order, the second material loading plate, flitch and fourth material loading plate are gone up to the third, the first material loading plate closes on the kerve plate setting of material loading groove, the fourth material loading plate closes on the passageway setting of fascinating, first material loading plate and third material loading plate are connected with the material loading lift drive device that drives its lift, the second material loading plate keeps meso position, be higher than the kerve plate of material loading groove promptly and be less than the passageway of fascinating, the fourth material loading plate keeps the high-order position, be higher than the passageway of fascinating promptly.

The step feeding plate group has two operation states of feeding and material feeding, when in the feeding state, the first feeding plate is at a low position and is flush with the bottom groove plate of the feeding groove, and the third feeding plate is at a low position and is lower than the second feeding plate; when in a feeding state, the first feeding plate rises from a low position to a middle position and is flush with the second feeding plate; the third feeding plate rises from a low position to a high position and is higher than the fourth feeding plate; the material feeding plate group on the ladder repeats material feeding and material loading operation states, and the spike in the material feeding groove is continuously lifted to the material dumping channel, so that the beat type material feeding is realized.

2. The utility model discloses the one end of well dumping material passageway is articulated with the support base, its other end is connected with the dumping material lift drive of its lift of drive, the hinged end of dumping material passageway is established to the bin outlet, the width of dumping material passageway is greater than the cylinder diameter of railway spike and is less than the head diameter of railway spike, thereby guarantee that the state of railway spike in the dumping material passageway is that the head is last, the vertical decurrent state of cylinder, make things convenient for follow-up operation, the dumping material passageway is in the horizontality when receiving the railway spike, the dumping material passageway is when dumping the railway spike, it raises its one end to effect at the dumping material lift drive, see off the railway spike by the bin outlet, thereby realized promoting the swift seeing off of rear railway spike, and the work efficiency is improved.

3. The utility model discloses well material loading lift drive includes vertical arrangement's lift slide, and flitch downwardly extending is connected with same lift slide through the connecting rod on flitch and the third on first, and lift slide sliding guide cooperate, and the lift slide passes through the connecting rod and forms slider-crank mechanism with crank connection, makes things convenient for arranging of material loading lift drive, reduces installation space, improves lift drive stability.

4. The material returning inclined plates are arranged on the opposite sides of the stepped material feeding plate groups of the material pouring channels, the material returning inclined plates are fixed with the supporting base, and the material returning inclined plates are arranged in a downward inclined mode towards the material pouring channels. Because flitch group is in when carrying the spike to the passageway of dumping in the ladder, the passageway of dumping can be crossed to some spike, and the setting of feed back swash plate can be with surging the spike of the passageway of dumping and returning back to the passageway department of dumping, realizes continuing to carry, reduces spike scatter.

Drawings

Fig. 1 is a schematic perspective view of a stepped feeder according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a middle-step feeding plate group according to an embodiment of the present invention;

fig. 3 is a front view of a middle step feeding plate group according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a middle step feeding plate group in a feeding state according to an embodiment of the present invention;

fig. 5 is a schematic view of a middle-step feeding plate group in a feeding state according to an embodiment of the present invention;

fig. 6 is a top view of an automatic feeding machine for two spikes according to an embodiment of the present invention;

fig. 7 is a first schematic perspective view of an automatic nail feeding machine according to an embodiment of the present invention;

fig. 8 is a schematic perspective view of a second automatic spike feeding machine according to an embodiment of the present invention;

fig. 9 is a schematic perspective view of a discharging mechanism in a second embodiment of the present invention;

fig. 10 is a second schematic perspective view of the discharging mechanism in the second embodiment of the present invention;

fig. 11 is an enlarged schematic view of a material control unit in the second embodiment of the present invention;

fig. 12 is a partial schematic view of a buffering material pushing channel in the second embodiment of the present invention;

fig. 13 is a schematic overall layout diagram of a third embodiment of the present invention;

fig. 14 is an enlarged schematic view of a track pin heating machine according to a third embodiment of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

The first embodiment is as follows:

as shown in fig. 1 to 5, the stepped feeding structure of the present embodiment includes a supporting base 20, a feeding chute 21, a stepped feeding plate group 22, and a material pouring channel 23 are sequentially arranged on the supporting base 20 along a horizontal direction, the feeding chute 21 is connected to a spike feeding line 1, and a bottom chute plate 211 of the feeding chute 21 is inclined downward and extends to the stepped feeding plate group 22; the ladder feeding plate group 22 comprises four feeding plates arranged in parallel, the feeding plates are arranged along the width direction of the feeding groove 21, and a guide inclined plane is arranged on the upper end face of each feeding plate towards one side of the material pouring channel.

The four feeding plates of the ladder feeding plate group 22 are sequentially a first feeding plate 221, a second feeding plate 222, a third feeding plate 223 and a fourth feeding plate 224, the first feeding plate 221 is arranged close to the bottom groove plate 211 of the feeding groove 21, the fourth feeding plate 224 is arranged close to the dumping channel 23, the first feeding plate 221 and the third feeding plate 223 are connected with a feeding lifting driving device for driving the first feeding plate 221 and the third feeding plate to lift, the second feeding plate 222 keeps a middle position, namely, the second feeding plate is higher than the bottom groove plate 211 of the feeding groove 21 and lower than the dumping channel 23, and the fourth feeding plate 224 keeps a high position, namely, the fourth feeding plate is higher than the dumping channel 23.

In this embodiment, the feeding lifting driving device includes a lifting slide 251 vertically arranged, the first feeding plate 224 and the third feeding plate 223 extend downward and are connected to the same lifting slide 252 through a connecting rod, the lifting slide 252 is in sliding guiding fit with the lifting slide 251, the lifting slide 252 is connected to a crank 254 through a connecting rod 253 to form a crank slider mechanism, and the crank 254 rotates to drive the lifting slide 252 to move up and down, thereby driving the first feeding plate 224 and the third feeding plate 223 to move up and down.

The step feeding plate group 22 has two operation states of feeding and feeding, in the feeding state, the first feeding plate 221 is at a low position and is flush with the bottom groove plate 211 of the feeding groove 21, and the third feeding plate 223 is at a low position and is lower than the second feeding plate 222; in the loading state, the first loading plate 221 is raised from the low position to the middle position and is flush with the second loading plate 222; the third feeding plate 223 rises from the low position to the high position and is higher than the fourth feeding plate 224; the step feeding plate group 22 repeats feeding and feeding operation states in a circulating manner, and continuously lifts the spikes in the feeding trough to the material dumping channel 23, so that beat type feeding is realized.

One end of the material pouring channel 23 is hinged with the supporting base 20, and the other end thereof is connected with a material pouring lifting driving device for driving the material pouring channel to lift. In this embodiment, the material pouring channel 23 includes a material pouring channel seat horizontally arranged, an open slot arranged along the width direction of the material feeding groove 21 is provided on the material pouring channel seat, and the width of the open slot is larger than the diameter of the column body of the spike and smaller than the diameter of the head of the spike, thereby forming the material pouring channel 23. The material dumping lifting driving device is a vertically arranged air cylinder, one end of the air cylinder is hinged with the corresponding end part of the material dumping channel seat, and the other end of the air cylinder is hinged with the supporting base 20.

The hinged end of the material pouring channel 23 is set as a discharge outlet, the material pouring channel 23 is in a horizontal state when receiving the spikes, and when the spike is poured, the material pouring channel 23 raises one end thereof under the action of the material pouring lifting driving device to send the spikes to the discharge mechanism 3 from the discharge outlet. In the drawing, the pouring channel 23 is in a pouring spike state.

In this embodiment, the material returning sloping plate 24 is further arranged on the opposite side of the material feeding plate group of the ladder of the material pouring channel 23, the material returning sloping plate 24 is fixed with the support base 20, and the material returning sloping plate 24 is arranged in a downward inclination manner towards the material pouring channel 23. When the stepped material feeding plate group 22 lifts and delivers the spikes to the dumping channel 23, part of the spikes can cross the dumping channel 23, and the material returning sloping plate 24 can return the spikes which cross the dumping channel 23 to the dumping channel 23, so that the spikes can be continuously conveyed, and the scattering of the spikes is reduced.

Example two:

as shown in fig. 6 to 12, the present embodiment discloses an automatic spike feeding machine, and the stepped feeding structure 2 of the first embodiment is used for automatic spike feeding. The spike automatic feeding machine further comprises a spike feeding line 1 and a discharging mechanism 3, wherein the spike feeding line 1 is used for conveying spikes to a stepped feeding structure 2, and the stepped feeding structure 2 is used for conveying the spikes to the discharging mechanism 3 in a stepped feeding mode.

In the embodiment, the spike feeding line 1 is a chain plate type feeding line, and spike blank materials are manually poured into the chain plate type feeding line; the chain plate type feeding line carries out linkage supply according to the material amount in the ladder feeding machine. Linkage supply accessible sets up weighing sensor in last silo 21 department and realizes, and weighing sensor transmits the signal input part of detecting signal to central control processor, and central control processor's signal output part is connected with spike stockline 1. It may also be implemented by other related art controls.

The discharging mechanism 3 comprises a discharging channel 31 communicated with a discharging port on the dumping channel 23, and the width of the discharging channel 31 is larger than the diameter of the column body of the spike and smaller than the diameter of the head of the spike; discharging channel 31 downward sloping arranges, is equipped with accuse material device on discharging channel 31, and accuse material device includes two accuse material units of arranging along its direction of delivery interval on discharging channel, and two accuse material units are higher level accuse material unit 32 and subordinate accuse material unit 33 respectively to realize the orderly ejection of compact of spike.

In this embodiment, the discharging channel 31 includes two discharging guide plates arranged at intervals, and a guide groove having a width larger than the diameter of the column body of the spike and smaller than the diameter of the head of the spike is formed between the two discharging guide plates, so as to form the discharging channel 31. The discharging channel 31 is supported by a bracket, the bracket comprises a transverse supporting arm 34 fixedly connected with the supporting base 20, the transverse supporting arm 34 is fixed with the bottom surface by a supporting rod 35, and two vertical rods 36 are fixedly arranged on the transverse supporting arm 35 and are respectively connected with the discharging channel 31 which is arranged obliquely downwards.

The material control units comprise material baffle groups arranged along the width direction of the discharge channel, each material baffle group consists of two

material baffle plates

37 and 38 arranged at intervals along the conveying direction of the discharge channel, the width between the two

material baffle plates

37 and 38 is matched with the diameter of the spike, and the two

material baffle plates

37 and 38 are respectively connected with a material baffle driving cylinder for driving the material baffle plates to extend or retract so as to realize the material baffle or discharge operation of the material baffle plates on the discharge channel; two striker plates in the material control unit are operated in a staggered mode, one striker plate is in a material blocking operation state, the other striker plate is in a material discharging operation state, one-time operation of the striker plate group can only be realized through one spike, and the ordered discharging is guaranteed.

In this embodiment, the material control unit further includes a material control seat 39 for installing the material baffle group, the material control seat is installed on the discharging channel 31, and the two material baffles 37 and 38 of the material baffle group are respectively located on two sides of the discharging channel 31 and are respectively connected with the material blocking driving cylinder installed on the material control seat.

The material control seat 39 is further provided with a material guiding mechanism at the lower side of the discharging channel, the material guiding mechanism comprises material guiding clamping plates 391 arranged at two sides of the discharging channel oppositely, and a structure flaring towards the upstream of the discharging channel 31 is formed between the two material guiding clamping plates 391, so that the spike can be conveniently delivered and combed.

The tail end of the discharge channel is provided with a buffering material pushing channel 30 communicated with the discharge channel, and the width of the buffering material pushing channel 30 is larger than the diameter of the column body of the spike and smaller than the diameter of the head of the spike; the buffer material pushing channel 30 is composed of a straight line section 301 which is horizontally arranged and a curve connecting section 302 which smoothly connects the straight line section 301 and the material discharging channel 31, and the outlet of the straight line section 301 is used as a spike discharging port; the buffer material pushing channel is also provided with two-stage material pushing mechanisms in a matched mode, each two-stage material pushing mechanism comprises an upper-stage material pushing cylinder 303 and a lower-stage material pushing cylinder 304, the upper-stage material pushing cylinders 303 point to the curve connecting section 302 of the buffer material pushing channel and push the spikes entering the curve connecting section 302 from the material discharging channel 31 to the straight line sections 301, and the lower-stage material pushing cylinders 304 are arranged in parallel with the straight line sections 301 of the buffer material pushing channel and push the spikes entering the straight line sections 301.

The arrangement of the buffer material pushing channel 30 can reduce the descending potential energy of the spike, reduce the impact and conveniently realize the control of the discharge of the spike.

In this embodiment, an arc guide plate 305 is correspondingly arranged at the curved connecting section 302 of the buffering material pushing channel, and the arc guide plate 305 is lower than the curved connecting section 302 and corresponds to the column part of the spike transport, so as to play a guiding role when the upper-stage material pushing cylinder 303 pushes out the spike transport.

The embodiment further comprises a detection control system, the detection control system comprises a central control processor and a sensing control mechanism arranged at the position of the discharge channel 31, the sensing control mechanism comprises a first photoelectric sensor 321 arranged at the upstream of the upper-level material control unit 32, the first photoelectric sensor 321 is used for detecting a spike entering the upstream of the upper-level material control unit 32, the first photoelectric sensor 321 transmits a detection signal to a signal input end of the central control processor, and a signal output end of the central control processor is connected with the stepped feeding structure 2.

In this embodiment, the first photoelectric sensor 321 has four spike stations from the upper level material control unit 32, and when the first photoelectric sensor 321 does not detect that there are spikes below the first photoelectric sensor 321, it indicates that the number of spikes on the upstream side of the upper level material control unit 32 is less than four, and at this time, the central control processor controls the operation of the material pouring lifting driving device and the material feeding lifting driving device of the stepped material feeding structure 2, so that the stepped material feeding structure 2 feeds the material to the material discharging mechanism.

The sensing control mechanism further comprises a second photoelectric sensor 331 arranged at a position between the lower material control unit 33 and the upper material control unit 32, the second photoelectric sensor 331 is used for detecting a spike between the lower material control unit 33 and the upper material control unit 32, the second photoelectric sensor 331 transmits a detection signal to a signal input end of the central control processor, and a signal output end of the central control processor is connected with the two material control units.

When the second photoelectric sensor 321 detects that a spike passes through the lower part of the second photoelectric sensor, the lower-level material control unit 33 is controlled in a linkage mode to enable the material blocking plate group to operate, a spike is put down to the buffering material pushing channel 30, the upper-level material control unit 32 is controlled in a linkage mode to enable the material blocking plate group to operate, and a spike is put down, so that sequential material discharging of the spike is achieved, and material blocking is reduced.

In this embodiment, the central control processor selects the PLC system, and the first photoelectric sensor and the second photoelectric sensor are both prior art. The photoelectric sensor collects signals and sends the signals to the PLC system for processing, and the mode that the PLC system sends corresponding control signals is also the prior art.

The nail automatic feeding machine of this embodiment realizes the rhythm of rhythm's material loading through spike material loading line, cascaded material loading machine and discharge mechanism three's cooperation, has guaranteed the orderly material loading of spike, reduces card material phenomenon, and then guarantees the production rhythm, improves production efficiency.

Example three:

as shown in fig. 13 to 14, the present embodiment further discloses an automatic spike production line, which includes an automatic spike feeding machine, a spike heating machine 5, and a spike thread rolling machine 6, wherein the automatic spike feeding machine refers to the second embodiment.

The spike heating machine 5 is arranged at the tail end of the stepped feeding structure and comprises a rotating disc type feeding mechanism and a heating mechanism 52, the rotating disc type feeding mechanism comprises a chain ring 511 which is horizontally arranged, the chain ring 511 is connected with a chain ring transmission mechanism 512 which drives the chain ring 511 to rotate, spike bearing parts 513 which protrude outwards are arranged on the outer side of the chain ring 511 in a circumferential arrangement mode, bearing clamping grooves 514 which are used for bearing spikes are arranged on the spike bearing parts 513, the outer ends of the bearing clamping grooves 514 are set to be spike inlets, and the width of the bearing clamping grooves 514 is larger than the diameter of a column body of the spike and smaller than the diameter of the head of the spike; the spike inlet of the spike bearing part 513 corresponds to the spike outlet of the stepped feeding structure.

The heating mechanism 52 is arranged on the conveying line of the rotating disc type feeding mechanism, and the spikes on the rotating disc type feeding mechanism are heated when passing through the heating mechanism.

In this embodiment, the chain ring 511 of the rotating disc type feeding mechanism is an oblong structure, and includes two parallel long sides, and the two long sides are connected through an arc to form a closed chain ring. The stepped feeding structure is provided at one of the long sides of the chain ring 511, and the heating mechanism 52 is provided at the opposite long side of the chain ring 511. This setting not only conveniently receives the spike, realizes the seamless orderly butt joint with the spike material loading machine to conveniently heating mechanism 52 arranges with carousel formula feeding mechanism's cooperation, has realized carousel formula heating and pay-off, guarantees to the heating time of spike and satisfies the demands, reduces area simultaneously.

And a robot gripper 4 is arranged between the spike thread rolling machine 6 and the rotary disc type feeding mechanism, the robot gripper 4 grips the spikes passing through the heating mechanism 52 and moves the spikes to the spike thread rolling machine 6 for thread rolling operation, so that the manual operation is reduced, and the working efficiency is improved. Robot grippers are prior art.

The automatic spike production system of this embodiment mainly comprises cascaded material loading structure, spike heating machine and spike thread rolling machine, and cascaded material loading structure realizes the orderly material loading to the spike, carries it to spike heating machine, and the spike heating machine is held the hand by the robot and is sent to the spike thread rolling machine and roll the screw operation after heating the spike, has realized automation, the systematic production of spike, improves production efficiency.

The above embodiments are only used for illustrating but not limiting the technical solutions of the present invention, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.

In the description of the present invention, it should be understood that the terms "front", "back", "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the description refers must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.

Claims

1. The utility model provides a cascaded material loading structure which characterized in that: the material feeding device comprises a supporting base, wherein a material feeding groove, a step material feeding plate group and a material pouring channel are sequentially arranged on the supporting base along the horizontal direction, and a bottom groove plate of the material feeding groove inclines downwards and extends to the step material feeding plate group; the ladder feeding plate group comprises four feeding plates which are arranged in parallel, the feeding plates are arranged along the width direction of the feeding groove, and a material guide inclined plane is arranged on one side, facing the material dumping channel, of the upper end part of each feeding plate;

2. The stepped charging structure of claim 1, wherein: the one end of the material pouring channel is hinged with the supporting base, the other end of the material pouring channel is connected with a material pouring lifting driving device for driving the material pouring channel to lift, the hinged end of the material pouring channel is arranged as a discharge hole, the width of the material pouring channel is larger than the diameter of a column body of the spike and smaller than the diameter of the head of the spike, the material pouring channel is in a horizontal state when receiving the spike, and when the spike is poured, one end of the material pouring channel is lifted under the action of the material pouring lifting driving device, and the spike is conveyed to the discharging mechanism from the discharge hole.

3. The stepped charging structure of claim 1, wherein: the material pouring channel comprises a material pouring channel seat which is horizontally arranged, an open groove which is arranged along the width direction of the feeding groove is arranged on the material pouring channel seat, and the width of the open groove is larger than the diameter of a column body of the spike and smaller than the diameter of the head of the spike.

4. The stepped charging structure of claim 1, wherein: the feeding lifting driving device comprises a lifting slide rail which is vertically arranged, the first feeding plate and the third feeding plate extend downwards and are connected with the same lifting slide seat through a connecting rod, the lifting slide seat is matched with the lifting slide rail in a sliding guide mode, and the lifting slide seat is connected with a crank through the connecting rod to form a crank block mechanism.

5. The stepped charging structure of any one of claims 1 to 4, wherein: the material returning inclined plates are arranged on the opposite sides of the stepped material feeding plate groups of the material pouring channels, the material returning inclined plates are fixed with the supporting base, and the material returning inclined plates are arranged in a downward inclined mode towards the material pouring channels.