TWM540851U - Continuous feeding equipment - Google Patents

Description

Continuous feeding equipment

The present invention relates to an automated manufacturing apparatus, and more particularly to a continuous feeding apparatus that can continuously discharge without interruption while replenishing the material.

The automated manufacturing system is designed to automate or automate the product with minimal manual or indirect intervention. Continuous supply of materials during the automated assembly or automated processing of the product is an important factor in ensuring productivity.

Automated manufacturing systems are generally equipped with continuous feeding equipment to automatically supply the parts to the downstream of the process. In general, the construction of continuous feeding equipment for different materials is not the same; most The continuous feeding equipment has a certain material filling capacity. When the quantity of the continuous feeding equipment is reduced due to continuous feeding for a period of time, it is necessary to replenish the material in time to avoid the problem of material interruption.

Some of the known continuous feeding equipments need to temporarily stop the operation of the continuous feeding equipment when the feeding of the materials is carried out. After the feeding of the materials is completed, the continuous feeding equipment is restarted and the automatic feeding is continued. material. For continuous feeding equipment with large storage capacity of materials, the process of automated production or manufacturing of products can reduce the number of replenishment materials, but for those with smaller material filling capacity, continuous automatic production or The process of manufacturing a product requires frequent replenishment of materials, which will affect the production capacity of the product. Therefore, how to provide a continuous feeding device that can continuously discharge without interruption is one of the problems that the manufacturer of the automation device wants to solve.

The technical problem to be solved by the present invention is to provide a continuous feeding device that can continuously discharge without interruption.

An embodiment of the present continuous feeding device includes: a rack, a first ejector, a second ejector and a controller; wherein the first ejector and the second ejector are connected to the controller, and Cooperating under the control of the controller; the rack has a discharge end and a device downstream of the process, and the rack can carry the continuously arranged material and the guide member to move to the discharge end; the first pusher can The material is pushed toward the discharge end of the rack, and when the remaining material in the rack reaches the preset remaining amount, the controller immediately controls the second pusher to take over the first pusher to continue pushing the remaining pieces. At the discharge end, the first pusher returns to the starting point of the push stroke, and after the material is replenished into the rack, the first pusher re-feeds the material to the discharge end, and the second pusher will Returning to the standby position under the control of the controller, waiting for the next operation to push the remaining materials; the first pusher and the second pusher cooperate under the control of the controller, and can carry the rack without interruption The material moves to the equipment downstream of the process to achieve continuous discharge.

The first pusher comprises: a push plate, a first drive and a positioner, wherein the push plate can move back and forth along the first track to the start point and the end point of the push stroke, and the first drive can drive the push plate from the start point toward the end point The direction movement is used to push the material to the discharge end of the rack, the positioner can temporarily fix the push plate to the starting point and release the push plate temporarily fixed at the starting position, and the push plate is temporarily fixed at the starting position. The rack between the push plate and the last piece of material is in an empty state, and the material frame can be replenished.

The push plate has a slider, and the slider is slidably mounted on the first track, and the first driver and the slider are connected to drive the slider and the push plate to move back and forth to the starting point and the end point.

An embodiment of the first driver includes: a turntable and a drawstring wound around the turntable, the turntable is provided with a coil spring, and the end of the drawstring is connected to the slider, and the normal state is used to drive the turntable and pull the rope by the torsion elastic force of the coil spring Pulling forces can often keep the push plate pulled toward the discharge end of the rack.

Wherein, the second ejector is disposed at a side of the rack, and the second ejector is normally in a standby position, and when the push plate is moved to a feeding position, the second ejector is activated by the controller, wherein the feeding is started The position is between the start point and the end point of the push stroke. When the remaining pieces in the rack reach the preset value of the remaining quantity, the push plate reaches the feed position, and the second pusher can resist the remaining pieces. The last piece of material is used to replace the first pusher to push the remaining material on the rack toward the discharge end of the rack.

The push plate is provided with an operating handle, and a proximity switch is arranged at the corresponding feeding position, and the proximity switch is electrically connected to the controller. When the push plate moves to the feeding position, the proximity switch can be triggered by the operating handle, and a trigger signal is generated by the proximity switch. And transmitted to the controller, and then the controller controls the second ejector to start, which is used to replace the first ejector to push the remaining materials on the rack toward the discharge end of the rack.

The second ejector includes: a second driver, a support frame and a movable claw; wherein the second driver and the movable claw are mounted on the support frame, and the second driver is connected to the movable claw for driving the movable claw to move back and forth on a standby The position and the action position, the movable claw in the standby position is a state of being accommodated and does not resist the last piece of material, and the movable claw in the acting position is in a pop-up state and can withstand the last piece of material. Moreover, the second drive can continuously move the mount and the claws to push the remaining pieces toward the discharge end of the rack.

Another embodiment of the present continuous feeding apparatus includes: a reclaimer, a third drive, a brake, and a discharge gate.

The reclaimer is installed at the discharge end of the rack for extracting the material from the discharge end of the rack; wherein the third drive can drive the reclaimer to reciprocate in a picking position and a release position. The controller can control the third driver and the reclaimer to cooperate to pick up the material at the picking position, and then move the material to the release position to release the material; wherein the discharge gate is mounted on the rack At the material end, the normal discharge gate is a closed state for blocking the material to prevent the material from falling out. When the reclaimer moves to the picking position to pick up the material, the controller first controls the discharge gate to become an open state. After the reclaimer takes the material out of the discharging end of the rack, the discharging gate will return to the normal closed state; wherein the brake is installed on the slider of the push plate, and the brake is in the normal state. In the state of action, the controller can start the brake when the picker picks up the material and the discharge gate is turned on, and the brake plate is used to temporarily brake the push plate and its slider to stop at a certain position of the first track to prevent The push plate is opened at the discharge gate Dropping the material from the discharge end and dropping it, when the reclaimer removes the first material at the front end of the rack from the discharge end, and the discharge gate returns to the normal closed state. The controller then controls the brake to return to the normal state of inactivity, thereby enabling the push plate to push the material toward the discharge end of the rack.

Another embodiment of the present invention includes a resistance element, the resistance element is disposed in a moving path of the material member, and the resistance element can be in contact with the material member to provide friction and resistance, and the material member can be prevented from accidentally coming out from the discharge end of the rack. ejection.

According to the above novel content, the continuous feeder of the present invention can move the first ejector back to the starting point of the pushing stroke when the remaining material in the rack reaches the preset remaining amount, and then the material is fed. Replenishing the material, during which the second ejector replaces the first ejector to continue pushing the remaining material to the discharge end, and does not interrupt the supply due to the replenishment of the material, therefore, the first The ejector and the second ejector cooperate under the control of the controller, and the material carried by the rack can be moved to the equipment downstream of the process without interruption, thereby achieving the purpose of continuous discharging.

The specific implementation manners of the present creation, as well as its technical features and effects, will be described below in conjunction with the drawings.

First, please refer to FIG. 1 to FIG. 6 , which illustrate a perspective structural view of an embodiment of the present continuous feeding device and a structural view of each viewing angle. Since the angles of view of the various drawings are not the same, in order to avoid some of the components in the drawing being blocked by other components, some components will be temporarily omitted in the partial drawings and are not shown in In the figures, the corresponding elements of the drawings are inconsistent; in particular, hereby stated.

An embodiment of the present continuous feeding apparatus includes: a magazine 10, a first ejector, a second ejector 30, and a controller 40 (Controller). Preferably, the rack 10 and the first ejector are mounted on the main body frame 90; the first ejector and the second ejector 30 are connected to the controller 40, the first ejector 20 and the second The ejector cooperates under the control of the controller, and can uninterruptedly move the material P carried by the rack 10 from the starting point S of the pushing stroke toward the end point E for supplying the materials required for the equipment downstream of the processing. Piece P, for the purpose of continuous discharge. The controller 40 is, for example but not limited to, any one of a Programmable Logic Controller, an Industrial PC, and a Personal Computer.

The rack 10 has a discharge end B (see FIG. 3) and a device downstream of the process, and the rack 10 can carry the material P and the guide material P to the discharge end B, preferably the rack 10 It is composed of several parallel rods, or other equivalent structures, but not limited thereto; in general, the rack 10 is loaded with a plurality of continuously arranged pieces P, for convenience of description, among which Near the discharge end B is the first material P1, and the farthest from the discharge end B is the last material Pe. The material P shown in the figure is a sheet material P but not It should be understood that the discharge end B is not a certain part of the rack 10, but refers to the position where the material P is pushed out of the rack 10, and the discharge end B is pushed. The starting point S of the material stroke is on the extension line in the direction of the end point E, and the discharge end B is close to the end point E of the pushing stroke.

The first pusher can move back and forth to the starting point S and the end point E of the pushing stroke. The first pusher comprises: a pushing plate 20, a first driver 21 and a positioner 22, wherein the pushing plate 20 can be along a The first rail 23 is reciprocated to the starting point S and the ending point E of the pushing stroke. Preferably, the first rail 23 is mounted on the rack 10, and the push plate 20 can be continuously supplied when moving in the direction of the end point E. The material piece P, when the remaining material P in the material rack 10 reaches the preset remaining quantity, after the push plate 20 is moved again to the starting point S, the feeding operation can be performed to replenish the material piece P to the material rack 10 The first driver 21 can drive the push plate 20 to move toward the discharge end B of the rack 10 (also moving toward the end point E of the push stroke) for pushing the material P toward the discharge of the rack 10. End B; the positioner 22 functions to temporarily fix the push plate 20 to the starting point S of the push stroke and release the push plate 20 temporarily fixed at the start point S when the feeding operation is performed; when the push plate 20 is temporarily fixed At the starting point S, the rack 10 between the push plate 20 and the last piece Pe is in an empty state, and can be re-aligned. 10, the replenishing material P; an embodiment of the present invention, wherein the push plate 20 has a slider 201, the slider 201 is slidably mounted on the first rail 23, and the first driver 21 and the slider 201 are connected to drive The slider 201 and the push plate 20 are reciprocated to the start point S and the end point E of the push stroke.

One embodiment of the first actuator 21 includes a turntable 211 and a pull cord 212 (preferably a cable) wound around the turntable 211. The turntable 211 is provided with a coil spring (not shown), and the end of the pull cord 212 is connected. The push plate 20 or the slider 201 normally rotates the turntable 211 by the torsional spring force of the coil spring and causes the pull cord 212 to generate a pulling force, so that the push plate 20 can be always pulled toward the discharge end B of the rack 10.

Preferably, the second ejector 30 has two, which are respectively disposed on both sides of the rack 10 (specifically, symmetric positions on both sides of the moving direction of the material P), and the second ejector 30 is normally In a standby position, when the push plate 20 is moved to a feed position C, the second pusher 30 is activated by the controller 40, wherein the feed position C can be between the start point S and the end point E of the push stroke or It is the position of the end point E (see Fig. 5), and the feeding position C is determined by the preset remaining number. When the remaining material P in the rack 10 reaches the preset remaining quantity, the push plate 20 reaches the complement. At the material position C, the second pusher 30 can abut the last material Pe to push the remaining material P on the rack 10 toward the discharge end B of the rack 10.

In an embodiment of the present invention, the push plate 20 is provided with an operating handle 24, and a proximity switch 25 (Proximity Switch) is disposed at the corresponding feeding position C. The proximity switch 25 is electrically connected to the controller 40, and the push plate 20 is moved to When the position C is fed, the proximity switch 25 can be triggered by the operating handle 24, a trigger signal is generated by the proximity switch 25 and transmitted to the controller 40, and the controller 40 controls the second ejector 30 to start. The proximity switch includes any one of an inductive type sensor, a capacitive proximity sensor, and a photoelectric sensor. Preferably, the position of the proximity switch 25 can be adjusted, for example, by using a bolt or its equivalent component to mount the proximity switch 25 to the main body frame 90. Therefore, the position of the proximity switch 25 can be freely adjusted, and the remaining number of pre-changes can be changed. Set the value.

Referring to FIGS. 7A and 7B, in an embodiment of the present invention, the second ejector 30 includes: a second driver 31 (preferably, the second driver 31 is a pneumatic cylinder), a support frame 32 and a movable claw 33; wherein the second driver 31 and the movable claw 33 are mounted on the support frame 32, and the second driver 31 is connected to the movable claw 33 for driving the movable claw 33 to move back and forth in a standby position (see FIG. 7A) and an action Position (see Fig. 7B), the movable claw 33 in the standby position is in a stowed state (avoiding the moving path of the material P) and does not resist the last material Pe (see Fig. 8B). The movable claw 33 of the position is in a pop-up state (moving path of the feeding member P) and can be pressed against the last material Pe (see Fig. 8A); wherein the movable claw 33 comprises: relative to the support frame 32 a sliding member 331 for reciprocating sliding, a fixing seat 332 mounted at one end of the sliding member 331, and a claw portion 333 rotatably pivotally mounted to the fixing seat 332; wherein one embodiment of the sliding member 331 is two rods parallel to each other The support frame 32 is provided with two guiding tubes 321 which are parallel to each other, and the two rod members are arranged in a slidable relationship. Do not pass through the corresponding guiding tube 321, the pivot 334 of the pivoting portion of the claw portion 333 is provided with a coil spring (not shown), and the second driver 31 connecting the fixing seat 332 can drive the fixing seat 332 and the claw portion 333 Toward and return to the standby position and the action position, the claw portion 333 at the standby position is blocked by the side plate 322 of the support frame 32 to maintain the stored state, and the claw portion 333 avoids the moving path of the material P and does not resist the last position. One of the pieces Pe, the claw portion 33 at the action position is not blocked by the side plate 322, and the claw portion 33 can be ejected toward the direction of the material P by the elastic force of the coil spring to be in the aforementioned ejected state, wherein the claw portion 333 is The side has a protrusion 335, and the fixing seat 332 has a blocking portion 336 to block the protrusion 335 for maintaining the claw 333 in a fixed position, and the second driver 31 can continuously move the fixing seat 332 and the claw 333 toward The end point of the push stroke is moved in the E direction to push the remaining material P toward the discharge end B of the rack 10. The two-bar member described above is only one embodiment of the sliding member 331, but is not limited thereto. Those skilled in the art will understand that the sliding member 331 can be otherwise equivalent after understanding the technical means of the present invention. Construction, such as a track mechanism, is achieved.

In an embodiment of the present invention, the feeding operation is to manually replenish the new material P into the rack 10, and the feeding sequence is as follows: when the pushing plate 20 reaches the feeding position C, the operating handle 24 also arrives. Feeding position C and triggering the proximity switch 24, the controller 40 immediately controls the second ejector 30 to take over the first ejector to continue pushing the remaining material P toward the discharge end B, and the operator pulls the operation handle 24 to be the first The push plate 20 of the pusher is pulled back to the starting point S of the pushing stroke, and the push plate 20 is temporarily fixed to the starting point S by the positioner 22, and when the push plate 20 is temporarily fixed at the starting point S, the push plate 20 is The rack 10 between the last piece Pe and the last piece Pe is in an empty state, and the material P can be replenished to the rack 10; when the material P is replenished, the positioner 22 releases the push plate 20 temporarily fixed at the starting point S. The first driver 21 can drive the push plate 20 to move toward the discharge end B of the rack 10 for pushing the material P toward the discharge end B of the rack 10, and then the operator presses the controller 40. After a reset button 41, the second ejector 30 returns to the normal standby position under the control of the controller 40. Therefore, the first ejector and the second ejector 30 cooperate under the control of the controller 40, and the material P carried by the rack 10 can be moved to the discharge end B without interruption, and not because of the supplementary material. Piece P interrupts the feeding and achieves the purpose of continuous discharging. Another possible implementation of the feeding operation can also replace the manual pulling of the operating handle 24 by means of an automated control, for example by controlling a pneumatic cylinder to pull the push plate 20 back to the starting point S.

The positioner 22 of the first pusher includes: a steel ball 221 and a groove 222, wherein the steel ball 221 is disposed at the rack 10 and corresponding to the starting point S of the pushing stroke of the push plate 20, and the groove 222 is disposed at The slider 201 can be temporarily engaged with the steel ball 221 when the push plate 20 is moved to the starting point S of the pushing stroke. In one embodiment, the position of the steel ball 221 of the material rack has a spring (not shown due to the small size of the component, not shown) for providing the elastic force, and the steel ball 221 and the groove 222 are temporarily engaged, and the waiting piece P is completed. Then, the operator applies a slight force to operate the handle 24 to cause the steel ball 221 to exit the groove 222, and the push plate 20 can be moved again in the direction of the discharge end B of the rack 10 by the first driver 21.

An embodiment of the present continuous feeding apparatus includes: a reclaimer 50, a third actuator 60, a brake 70, and a discharge gate 80.

One embodiment of the reclaimer 50 is a vacuum suction cup. The reclaimer 50 has a plurality of suction nozzles 51 (see FIG. 9). The design of the plurality of suction nozzles 51 allows even a part of the suction nozzles 51 to suck the material. The piece P still does not drop the material P, and the suction nozzle 51 is connected to a negative pressure generating device (not shown), and the negative pressure generating device is, for example, a negative component composed of an air compressor, a pressure accumulating tank, a pneumatic valve and other related components. The pressure generating device is controlled by the controller 40 to generate a negative pressure at the suction nozzle 51 for performing the operation of sucking and releasing the material P. The retractor 50 may be other adapted depending on the characteristics of the material P and its kind. The device, such as a robot or its equivalent, is not limited thereto. The reclaimer 50 is mounted on the discharge end B of the rack 10 for taking out the material P from the discharge end B of the rack 10; wherein the third drive 60 (preferably a pneumatic cylinder) can be driven The hopper 50 reciprocates in a picking position and a release position, wherein the controller 40 can control the third driver 60 and the hopper 50 to cooperate to pick up the material P at the picking position and then feed the material P After moving to the release position, the material P is released, specifically, the material P is picked up from the discharge end B of the rack 10, and then the material P is sent to the equipment downstream of the process; wherein the discharge gate 80 is installed in the material One embodiment of the discharge end B of the frame 10, the discharge gate 80 is an electromagnetic movable plug, preferably a plurality of discharge gates 80 are installed at a symmetrical position of the discharge end B of the rack 10. In the embodiment shown in the figure, there are four discharge gates 80). In the normal state, the discharge gate 80 is in a closed state (see Fig. 8B), at which time the bolt 81 of the discharge gate 80 protrudes to the material P. The moving path is for blocking the material P to prevent the material P from falling out. During the process of picking up the material P, the reclaimer 50 first moves to the picking position and sucks the material P with the suction nozzle 51 ( see 10A), the moving thrust of the reclaimer 50 (shown by arrow A1 in Fig. 10A) will first push the first piece P1 slightly away from the bolt 81 of the discharge gate 80, at the retractor 50. After the suction nozzle 51 sucks the material P, the controller 40 first controls the discharge gate 80 to retract the bolt 81 so that the discharge gate 80 becomes an open state (see FIG. 10B), when the reclaimer 50 feeds the material P from After the discharge end B of the rack 10 takes out the material P, the bolt 81 of the discharge gate 80 will re-expend back to the normal closed state (see FIG. 10D), such a cyclic action; one of the brakes 70 The embodiment is an electromagnetic component, and the brake 70 is mounted on the slider 201 of the push plate 20, and the brake 70 is in an inactive state in the normal state (see FIG. 2), and the brake is activated when the brake 70 is activated. The brake action of 70 may interfere with the first track 23, and the controller 40 may activate the brake 70 when the picker 50 picks up the material P and the discharge gate 80 is in an open state (see FIG. 10C), using the brake 70. Temporarily braking the push plate 20 and its slider 201 to stop at a certain position of the first rail 23, preventing the push plate 20 from pulling out the material P when the discharge gate 80 is in the open state. The end B pushes the rack 10 and falls. When the reclaimer 50 takes the first material P1 located at the foremost end of the rack 10 from the discharge end B, and the discharge gate 80 returns to the normal closed state. The controller 40 then controls the brake 70 to return to the normally inactive state, thereby enabling the push plate 20 to push the material P toward the discharge end B of the rack 10.

According to another embodiment of the present invention, the rack 10 is provided with a resistance element 11 which is disposed on the rack 10 and which is located in the moving path of the material P, preferably near the discharge end B of the rack 10 (see 5)), one embodiment of the resistance element 11 is a bristles protruding in the direction of the material P, but not limited thereto, the resistance element 11 may also be other equivalent elements, the resistance element 11 and the material P The contact is used to provide the force and the resistance, and it is possible to prevent the moving speed of the material P from being too fast and accidentally ejected from the discharge end B of the rack 10.

In summary, the first pusher of the continuous feeding device of the present invention can push the material P to the discharge end B of the rack 10, and the remaining material P in the rack 10 reaches the preset remaining amount. When the controller 40 immediately controls the second ejector 30 to take over the first ejector to continue to push the remaining material P to the discharge end B, the first ejector returns to the starting point S of the pushing stroke, in the new After the material piece P is replenished into the loading rack 10, the first ejector re-feeds the material P to the discharging end B, and the second ejector 30 returns to the standby position under the control of the controller 40 for the next time. Replacing the operation of pushing the remaining pieces P; therefore, the first ejector and the second ejector 30 cooperate under the control of the controller 40, and the material P carried by the rack 10 can be moved to the process without interruption. Downstream equipment for continuous discharge.

Although the present invention has been disclosed above through the above embodiments, it is not intended to limit the creation of the present invention. Anyone skilled in the art can make some changes and refinements without departing from the spirit and scope of the present creation. The scope of patent protection is subject to the terms of the claims attached to this specification.

10‧‧‧
11‧‧‧Resistance elements
20‧‧‧ push board
201‧‧‧ Slider
21‧‧‧First drive
211‧‧‧ Turntable
212‧‧‧Drawstring
22‧‧‧ Locator
221‧‧‧ steel balls
222‧‧‧ Groove
23‧‧‧ First track
24‧‧‧Operation handle
25‧‧‧ proximity switch
30‧‧‧Second pusher
31‧‧‧Second drive
32‧‧‧Support frame
321‧‧‧ Guide tube
322‧‧‧ side panels
33‧‧‧ activities claw
331‧‧‧Sliding parts
332‧‧‧ fixed seat
333‧‧‧ claws
334‧‧‧ pivot
335‧‧‧Protruding
336‧‧‧blocking
40‧‧‧ Controller
41‧‧‧Return button
50‧‧‧Reclaimer
51‧‧‧ nozzle
60‧‧‧ third drive
70‧‧‧ brakes
80‧‧‧Drain gate
81‧‧‧Bolts
90‧‧‧ body rack
A1‧‧‧ arrow
B‧‧‧Drawing end
C‧‧‧Feeding position
E‧‧‧End of the push stroke
P‧‧‧Materials
P1‧‧‧ first item
Pe‧‧‧ the last item
The starting point of the S‧‧‧ push stroke

Fig. 1 is a perspective structural view showing an embodiment of a continuous feeding device of the present invention. Fig. 2 is a front view structural view of the continuous feeding device of the present invention. Fig. 3 is a bottom view structural view of Fig. 2; Fig. 4 is a front view structural view of the continuous feeding device of the present invention. Fig. 5 is a plan view of the plan view of Fig. 4. Figure 6 is a left side view of the continuous feeding device of the present invention. Fig. 7A is a structural view of the movable claw of the creation continuous feeding device, showing the configuration of the movable claw in the standby position. Fig. 7B is a structural view of the movable claw of the continuous feeding device of the present invention, showing the configuration of the movable claw at the action position. Figures 8A-8B are diagrams showing the continuous action of the second ejector of the continuous feeding device. Figure 9 is a plan view showing the plan of the reclaimer of the continuous feeding device of the present invention. Figures 10A to 10D are continuous operation diagrams of the continuous feeding device of the present invention.

10‧‧‧

11‧‧‧Resistance elements

20‧‧‧ push board

201‧‧‧ Slider

21‧‧‧First drive

211‧‧‧ Turntable

212‧‧‧Drawstring

22‧‧‧ Locator

221‧‧‧ steel balls

222‧‧‧ Groove

23‧‧‧ First track

24‧‧‧Operation handle

25‧‧‧ proximity switch

30‧‧‧Second pusher

31‧‧‧Second drive

32‧‧‧Support frame

322‧‧‧ side panels

33‧‧‧ activities claw

40‧‧‧ Controller

41‧‧‧Return button

50‧‧‧Reclaimer

51‧‧‧ nozzle

60‧‧‧ third drive

80‧‧‧Drain gate

81‧‧‧Bolts

90‧‧‧ body rack

B‧‧‧Drawing end

Claims (10)

A continuous feeding device for supplying a material to a device downstream of the process, comprising: a material rack, a first ejector, a second ejector and a controller; the first ejector and the a second pusher is coupled to the controller, the second pusher is normally in a standby position that does not push the material member; the rack has a discharge end adjacent to the device downstream of the process, the rack can be Carrying the material member and guiding the material member to move to the discharge end; the first pusher can push the material member to move to the discharge end along the starting point of the pushing stroke toward the end point of the pushing stroke. The discharge end is an extension line in the direction of the starting point of the pushing stroke toward the end point, and the discharging end is close to the end point of the pushing stroke, when the remaining material in the rack reaches the preset remaining amount The controller immediately controls the second ejector to move to an active position for replacing the first ejector to continue to push the remaining material to the discharge end, and the first ejector returns to The starting point of the pushing stroke, the first pushing after the material is replenished into the rack The re-feed member toward the discharge end, and the second ejector back to the standby position under the control of the controller. The continuous feeding device of claim 1, wherein the first ejector comprises: a push plate, a first drive and a positioner, the push plate can be reciprocated along the first track to the push The starting point and the end point of the material stroke, the first track is mounted on the material rack, and the material piece can be continuously supplied when the pushing plate moves toward the end point, and the remaining material in the material rack reaches a preset remaining When the quantity is moved, the push plate is moved to the starting point again, and the material feeding frame can be fed to supplement the material; when the feeding operation is performed, the positioning device temporarily fixes the pushing plate to the starting point of the pushing stroke. And after the completion of the feeding operation, the positioner releases the push plate temporarily fixed at the starting point. The continuous feeding device of claim 2, wherein the push plate has a slider slidably mounted on the first rail, and the first driver and the slider are coupled to drive the The slider and the push plate move back and forth between the start point and the end point of the push stroke; the positioner includes: a steel ball and a groove, the steel ball is disposed at the rack and corresponds to a starting point of the push stroke, the concave The groove is disposed on the slider, and the groove can be temporarily engaged with the steel ball when the push plate moves to the starting point of the pushing stroke, and the position of the steel ball provided with the steel ball has a spring for providing elastic force The steel ball and the groove are temporarily stuck and can be loosened. The continuous feeding device of claim 3, wherein the first driver comprises: a turntable and a drawstring wound around the turntable, the turntable is attached with a coil spring, and the end of the drawstring is connected to the slider, the normal state The turntable is driven by the torsional spring force of the coil spring to cause the pulling rope to generate a pulling force, and the push plate is often kept toward the discharge end of the rack. The continuous feeding device according to claim 2, wherein the second ejector is disposed at a side of the rack, and the second ejector is controlled when the push plate is moved to a feeding position Moving to the active position, the feeding position being between the starting point and the ending point of the pushing stroke or the position of the ending point, when the remaining material in the rack reaches the preset value of the remaining quantity, The push plate reaches the feeding position, and the second ejector can abut the last one of the remaining pieces to replace the first ejector to push the remaining piece on the frame To the discharge end of the rack; wherein the push plate is provided with an operating handle, and a proximity switch is disposed at the corresponding feeding position, the proximity switch is electrically connected to the controller, and the push plate is moved to the feeding position The operating handle triggers the proximity switch, a trigger signal is generated by the proximity switch and transmitted to the controller, and the controller controls the second ejector to move to the active position. The continuous feeding device of claim 5, wherein the second ejector has two, respectively disposed on two sides of the rack, the second ejector comprises: a second driver, a support frame And a movable claw; the second driver and the movable claw are mounted on the support frame, and the second drive is connected to the movable claw for driving the movable claw to move back and forth between the standby position and the active position, at the standby position The movable claw is in a stored state that does not resist the last one of the members, and the movable claw in the active position is in a pop-up state and can resist the last one of the members, and the second drive The holder and the claw are continuously moved to push the remaining material toward the discharge end of the rack. The continuous feeding device according to claim 6, wherein the movable claw comprises: a sliding member reciprocally slidable relative to the support frame, a fixing seat mounted at one end of the sliding member, and a pivotable pivot a claw portion disposed on the fixing seat; a pivot of the pivoting portion of the claw portion is provided with a coil spring, and the second driver connecting the fixing seat can drive the fixing seat and the claw portion to and from the standby position and The action position, the claw portion at the standby position is blocked by the one side plate of the support frame to maintain the stored state, the claw portion avoids the moving path of the material member and does not resist the last one of the material members The claw portion at the action position is not blocked by the side plate, and the claw portion can be ejected toward the material member by the elastic force of the coil spring to be in the ejected state, and the side of the claw portion has a a protrusion having a blocking portion for blocking the protrusion for maintaining the claw in a fixed position, the second driver continuously driving the fixing seat and the claw toward an end of the pushing stroke The direction of movement. The continuous feeding apparatus of claim 6, wherein the second actuator is a pneumatic cylinder. The continuous feeding device according to claim 2, comprising: a reclaimer, a third driver, a brake, and a discharge gate; the reclaimer is installed at the discharge end of the rack For extracting the material from the discharge end of the rack; the third drive can drive the reclaimer to reciprocate in a picking position and a release position, the controller can control the third drive and the reclaiming Working together to pick up the material at the picking position, and then moving the material to the release position to release the material; the discharge gate is mounted on the discharge end of the rack, in a normal state The discharge gate is a closed state for blocking the material. When the reclaimer moves to the picking position to pick up the material, the controller first controls the discharge gate to be an open state, when the reclaimer After the material is taken out from the discharge end of the rack, the discharge gate returns to the normal closed state; the brake is mounted on the slider of the push plate, and the brake is in a normal state. Is inactive, the controller can pick up the material at the reclaimer and the discharge When the brake is in an open state, the brake is activated to temporarily brake the push plate and the slider to stop at the first track, when the reclaimer will be located at the foremost first part of the material rack After being taken away from the discharge end, and the discharge gate returns to the normal closed state, the controller then controls the brake to return to the normal state, wherein the third actuator is a pneumatic cylinder. A continuous feeding apparatus according to claim 9, which comprises a resistance member which is a bristles projecting in the direction of the material member, the resistance member being disposed on the material rack and located at the movement of the material member The path, the resistance element can be in contact with the material to provide friction and resistance.