阅读说明：本技术 一种对中送料设备 (Centering feeding equipment ) 是由 罗有旺 张乃立 许冠 顾志辉 梁翱 罗烁鑫 胡建武 毛卫东 于 2021-08-25 设计创作，主要内容包括：本发明涉及机械加工技术领域,提供一种对中送料设备,该对中送料设备包括：机架；输送机构；输送机构包括输送驱动装置和带有输送滚轮的输送单元；输送驱动装置与输送单元连接并以联动的方式同步驱动每个输送滚轮转动,实现工件的输送；高度调节机构；顶料机构；高度调节机构与输送单元连接并以联动的方式同步调节每个输送滚轮的高度,实现输送滚轮与工件加工机构的入口端或出口端处于同一水平线。顶料机构包括顶料驱动装置和带有顶料板的顶料单元,顶料驱动装置与顶料单元连接并以联动的方式同步驱动每块顶料板上升,实现承接输送滚轮上的工件。该对中送料设备可对输送高度进行调节,实现与工件加工机构对中,提高加工送料的便利性和生产效率。(The invention relates to the technical field of machining, and provides centering feeding equipment, which comprises: a frame; a conveying mechanism; the conveying mechanism comprises a conveying driving device and a conveying unit with a conveying roller; the conveying driving device is connected with the conveying unit and synchronously drives each conveying roller to rotate in a linkage manner, so that the conveying of workpieces is realized; a height adjustment mechanism; a material ejecting mechanism; the height adjusting mechanism is connected with the conveying unit and synchronously adjusts the height of each conveying roller in a linkage mode, so that the conveying rollers and the inlet end or the outlet end of the workpiece processing mechanism are positioned on the same horizontal line. The material ejecting mechanism comprises an ejecting driving device and an ejecting unit with an ejecting plate, wherein the ejecting driving device is connected with the ejecting unit and synchronously drives each ejecting plate to ascend in a linkage mode, so that workpieces on the conveying roller are received. The centering feeding equipment can adjust the conveying height, realize centering with a workpiece processing mechanism, and improve the convenience and the production efficiency of processing and feeding.)

1. A centering feeding device is opposite to the inlet end or the outlet end of a workpiece processing mechanism; the method is characterized in that: this centering feeding equipment includes:

a frame;

the conveying mechanism is used for conveying the workpiece to the inlet end of the workpiece processing mechanism or conveying the workpiece output from the outlet end of the workpiece processing mechanism; the conveying mechanism comprises a conveying driving device and a plurality of conveying units with conveying rollers; the conveying units are arranged on the rack, and the conveying driving device is connected with the conveying units and synchronously drives each conveying roller to rotate in a linkage manner, so that the conveying of workpieces is realized;

the height adjusting mechanism is used for adjusting the height of the conveying roller;

the ejection mechanism is used for discharging or feeding the workpiece;

the height adjusting mechanism is connected with the conveying unit and synchronously adjusts the height of each conveying roller in a linkage manner, so that the conveying rollers and the inlet end or the outlet end of the workpiece processing mechanism are positioned on the same horizontal line;

the ejection mechanism comprises an ejection driving device and a plurality of ejection units with ejection plates; the ejection units are arranged on the rack, and the ejection driving device is connected with the ejection units and synchronously drives each ejection plate to ascend in a linkage manner, so that workpieces on the conveying rollers are received.

2. The centering feed device of claim 1, wherein: the conveying unit also comprises a roller rotating shaft, a roller rotating bearing seat and a roller bearing seat; the roller rotating bearing seat is arranged on the rack and is connected with the roller rotating shaft; the roller bearing seat is connected with the roller rotating shaft, and the conveying roller is arranged on the roller bearing seat.

3. The centering feed device of claim 2, wherein: the conveying driving device comprises a conveying motor, a chain wheel I, a chain wheel II assembly, a chain wheel III and a chain; the first chain wheel is connected with an output shaft of the conveying motor; the number of the second chain wheel assemblies is equal to that of the roller rotating shafts, and the second chain wheel assemblies are connected with the roller rotating shafts; the number of the third chain wheels is equal to that of the conveying rollers, and each conveying roller is coaxially connected with the third chain wheel; in each conveying unit, the chain wheel tee is connected with the chain wheel two-component through a chain; the adjacent chain wheel II assemblies are connected through a chain; the first chain wheel is connected with one group of chain wheel assemblies through a chain, and therefore the conveying motor can synchronously drive each conveying roller to rotate in a linkage mode.

4. The centering feed device of claim 2, wherein: the height adjusting mechanism comprises an adjusting motor, a transmission assembly, a first push rod, a first swinging rod and a first connecting assembly; the number of the first oscillating rods is equal to that of the roller rotating shafts, and the first oscillating rods are connected with the roller rotating shafts; the adjacent first swinging rods are hinged through the first connecting component; the adjusting motor is connected with the first push rod through the transmission assembly, one end of the first push rod is hinged to the transmission assembly, the other end of the first push rod is hinged to one of the swing rods, and the height of each conveying roller is synchronously adjusted in a linkage mode through the adjusting motor.

5. The centering feed device of claim 4, wherein: the transmission assembly comprises a ladder tooth screw rod, a moving seat and a transmission bearing seat; the ladder tooth screw rod is connected with the adjusting motor and is arranged on the transmission bearing seat in a penetrating way; the movable seat is sleeved on the ladder tooth screw rod and is hinged with the first push rod; when the push rod mechanism works, the adjusting motor drives the screw rod of the ladder tooth to rotate so as to drive the movable seat to move, and the push rod can push and pull each swinging rod one by one.

6. The centering feed device of claim 4, wherein: the first connecting component comprises a first connecting head and a first connecting rod; the adjacent first connecting heads are connected through a first connecting rod; the first connecting head is hinged with the first swinging rod.

7. The centering feed device of claim 1, wherein: the ejection unit is arranged between the adjacent conveying units and also comprises a second swing rod, an ejection rotating bearing seat and an ejection rotating shaft; the material ejecting rotating bearing seat is arranged on the rack and connected with the material ejecting rotating shaft; the ejector plate is arranged on the ejector rotating shaft, and the second swing rod is connected with the ejector rotating shaft.

8. The centering feed device of claim 7, wherein: the ejection mechanism further comprises a second connecting assembly; the adjacent second swing rods are hinged through the second connecting component; the connecting assembly II comprises a connecting head II and a connecting rod II; the adjacent connectors II are connected through connecting rods II; and the second connector is hinged with the second swinging rod.

9. The centering feed device of claim 8, wherein: the ejection driving device comprises an ejection cylinder, a sliding seat, a linear rail and a second push rod; one end of the second push rod is hinged with the sliding seat, and the other end of the second push rod is hinged with one second swing rod; the sliding seat is connected with the linear rail in a sliding way and is connected with the material ejecting cylinder; when the material pushing device works, the material pushing cylinder drives the sliding seat to move so as to drive the push rod to push and pull each two pairs of oscillating rods, and the material pushing cylinder synchronously drives each material pushing plate to ascend in a linkage mode so as to bear workpieces on the conveying roller.

10. The centering feed device as claimed in any one of claims 1 to 9, characterized in that: the device also comprises a material rack; the material rest is arranged on the side part of the rack; the material rack is a material inlet rack or a material outlet rack;

when the material rack is a feeding rack, the feeding rack comprises a feeding rack body and a plurality of feeding bearing rods; a plurality of feeding bearing rods are arranged on the feeding frame body and incline downwards towards the direction of the material ejecting mechanism; a first stop block is arranged at the lower end part of the obliquely arranged feeding bearing rod; the ejector plate is of an inclined structure and has the same inclined direction as the feeding bearing rod, and a bulge part is arranged at the lower end part of the ejector plate of the inclined structure;

when the material rack is a discharging rack, the discharging rack comprises a discharging rack body and a plurality of discharging supporting rods; a plurality of discharging supporting rods are arranged on the discharging frame body and incline upwards towards the direction of the material ejecting mechanism; a second stop block is arranged at the lower end part of the obliquely arranged discharging bearing rod; the ejector plate is of an inclined structure and is in the same inclined direction as the discharging bearing rod, and a protruding portion is arranged at the high end of the ejector plate of the inclined structure.

Technical Field

The invention relates to the technical field of machining, in particular to centering feeding equipment.

Background

Automatic feeding equipment is also added to the machining line in order to improve the level of production mechanization during machining. At present, an ordinary mechanical processing production line adopts independent automatic feeding equipment, and the automatic feeding equipment is provided with a motor and is independently conveyed. Because the automatic feeding equipment and the mechanical processing equipment are not designed integrally, the position of the automatic feeding equipment can be slightly adjusted according to different feeding positions.

The position of the working height of the machining production line is fixed, so that the height of the automatic feeding equipment is ensured to correspond to the height of the machining production line, but the existing automatic feeding equipment does not have a height adjusting mechanism, so that the height of the automatic feeding equipment is required to be manually aligned with the height of the machining production line, and the mode is inconvenient to operate, cannot ensure the stability in the working process and cannot meet the requirement of modern machining.

In addition, in the machining process, due to the large size and heavy weight of the machined workpiece, the feeding and discharging of the workpiece on automatic feeding equipment not only improves the labor intensity of workers, but also reduces the production efficiency, so that the automation of the feeding and discharging of the machined workpiece is also a technical problem to be solved.

Disclosure of Invention

The invention aims to overcome the defects and shortcomings in the prior art, and provides a centering feeding device which can adjust the conveying height and realize centering with a workpiece processing mechanism, so that the convenience and the production efficiency of processing and feeding are improved; meanwhile, the centering feeding equipment is convenient for processing feeding or discharging.

In order to achieve the purpose, the invention is realized by the following technical scheme: a centering feeding device is opposite to the inlet end or the outlet end of a workpiece processing mechanism; the method is characterized in that: this centering feeding equipment includes:

a frame;

the conveying mechanism is used for conveying the workpiece to the inlet end of the workpiece processing mechanism or conveying the workpiece output from the outlet end of the workpiece processing mechanism; the conveying mechanism comprises a conveying driving device and a plurality of conveying units with conveying rollers; the conveying units are arranged on the rack, and the conveying driving device is connected with the conveying units and synchronously drives each conveying roller to rotate in a linkage manner, so that the conveying of workpieces is realized;

the height adjusting mechanism is used for adjusting the height of the conveying roller;

the ejection mechanism is used for discharging or feeding the workpiece;

the height adjusting mechanism is connected with the conveying unit and synchronously adjusts the height of each conveying roller in a linkage manner, so that the conveying rollers and the inlet end or the outlet end of the workpiece processing mechanism are positioned on the same horizontal line;

the ejection mechanism comprises an ejection driving device and a plurality of ejection units with ejection plates; the ejection units are arranged on the rack, and the ejection driving device is connected with the ejection units and synchronously drives each ejection plate to ascend in a linkage manner, so that workpieces on the conveying rollers are received.

In the scheme, the centering feeding device can synchronously adjust the height of each conveying roller through the height adjusting mechanism, so that the conveying rollers and the inlet end of the workpiece processing mechanism are positioned on the same horizontal line, centering of the centering feeding device and the mechanical processing mechanism is realized, and convenience in processing and feeding and production efficiency are improved. In addition, the centering feeding equipment supports the workpieces on the conveying roller through the material ejecting mechanism, and is convenient for loading or discharging the processed workpieces. According to the invention, the height adjustment of the conveying rollers of the centering and feeding equipment, the rotation of the conveying rollers and the lifting of the ejector plate are in a linkage synchronization mode, so that not only can the driving and linkage structure of machinery be simplified, but also the synchronization of mechanical actions can be improved to ensure the conveying stability of the machined workpiece and the bearing stability of the workpiece, thereby improving the precision and quality of subsequent machining of the workpiece, and improving the stability of the matching of workpiece conveying and feeding/discharging.

The conveying unit also comprises a roller rotating shaft, a roller rotating bearing seat and a roller bearing seat; the roller rotating bearing seat is arranged on the rack and is connected with the roller rotating shaft; the roller bearing seat is connected with the roller rotating shaft, and the conveying roller is arranged on the roller bearing seat.

The conveying driving device comprises a conveying motor, a chain wheel I, a chain wheel II assembly, a chain wheel III and a chain; the first chain wheel is connected with an output shaft of the conveying motor; the number of the second chain wheel assemblies is equal to that of the roller rotating shafts, and the second chain wheel assemblies are connected with the roller rotating shafts; the number of the third chain wheels is equal to that of the conveying rollers, and each conveying roller is coaxially connected with the third chain wheel; in each conveying unit, the chain wheel tee is connected with the chain wheel two-component through a chain; the adjacent chain wheel II assemblies are connected through a chain; the first chain wheel is connected with one group of chain wheel assemblies through a chain, and therefore the conveying motor can synchronously drive each conveying roller to rotate in a linkage mode. The centering feeding equipment disclosed by the invention can realize synchronous transmission of each conveying unit by adopting a chain wheel and chain transmission mode, not only can simplify the driving and linkage structure of machinery, but also can improve the synchronism of mechanical action to ensure the conveying stability of a machined workpiece, so that the precision and quality of subsequent machining of the workpiece are improved.

The height adjusting mechanism comprises an adjusting motor, a transmission assembly, a first push rod, a first swinging rod and a first connecting assembly; the number of the first oscillating rods is equal to that of the roller rotating shafts, and the first oscillating rods are connected with the roller rotating shafts; the adjacent first swinging rods are hinged through the first connecting component; the adjusting motor is connected with the first push rod through the transmission assembly, one end of the first push rod is hinged to the transmission assembly, the other end of the first push rod is hinged to one of the swing rods, and the height of each conveying roller is synchronously adjusted in a linkage mode through the adjusting motor. The centering feeding equipment adopts the transmission mode of the first push rod, the first swing rod and the first connecting assembly to realize synchronous transmission of height adjustment of each conveying roller, so that the driving and linkage structure of machinery can be simplified, the synchronism of mechanical action can be improved to ensure that the heights of the conveying rollers are equal, the conveying stability of a machined workpiece is ensured, and the precision and the quality of subsequent machining of the workpiece are improved.

The transmission assembly comprises a ladder tooth screw rod, a moving seat and a transmission bearing seat; the ladder tooth screw rod is connected with the adjusting motor and is arranged on the transmission bearing seat in a penetrating way; the movable seat is sleeved on the ladder tooth screw rod and is hinged with the first push rod; when the push rod mechanism works, the adjusting motor drives the screw rod of the ladder tooth to rotate so as to drive the movable seat to move, and the push rod can push and pull each swinging rod one by one.

The first connecting component comprises a first connecting head and a first connecting rod; the adjacent first connecting heads are connected through a first connecting rod; the first connecting head is hinged with the first swinging rod.

The ejection unit is arranged between the adjacent conveying units and also comprises a second swing rod, an ejection rotating bearing seat and an ejection rotating shaft; the material ejecting rotating bearing seat is arranged on the rack and connected with the material ejecting rotating shaft; the ejector plate is arranged on the ejector rotating shaft, and the second swing rod is connected with the ejector rotating shaft.

The ejection mechanism further comprises a second connecting assembly; the adjacent second swing rods are hinged through the second connecting component; the connecting assembly II comprises a connecting head II and a connecting rod II; the adjacent connectors II are connected through connecting rods II; and the second connector is hinged with the second swinging rod.

The ejection driving device comprises an ejection cylinder, a sliding seat, a linear rail and a second push rod; one end of the second push rod is hinged with the sliding seat, and the other end of the second push rod is hinged with one second swing rod; the sliding seat is connected with the linear rail in a sliding way and is connected with the material ejecting cylinder; when the material pushing device works, the material pushing cylinder drives the sliding seat to move so as to drive the push rod to push and pull each two pairs of oscillating rods, and the material pushing cylinder synchronously drives each material pushing plate to ascend in a linkage mode so as to bear workpieces on the conveying roller.

The centering feeding equipment disclosed by the invention can realize synchronous lifting of each ejector plate by adopting a transmission mode of the second push rod, the second swing rod and the second connecting assembly, not only can simplify the driving and linkage structure of machinery, but also can improve the synchronism of mechanical action to ensure the stability of workpiece bearing, thereby improving the stability of workpiece conveying and feeding/discharging matching.

The centering feeding equipment also comprises a material rack; the material rest is arranged on the side part of the rack; the material rack is a material inlet rack or a material outlet rack;

when the material rack is a feeding rack, the feeding rack comprises a feeding rack body and a plurality of feeding bearing rods; a plurality of feeding bearing rods are arranged on the feeding frame body and incline downwards towards the direction of the material ejecting mechanism; a first stop block is arranged at the lower end part of the obliquely arranged feeding bearing rod; the ejector plate is of an inclined structure and has the same inclined direction as the feeding bearing rod, and a bulge part is arranged at the lower end part of the ejector plate of the inclined structure;

when the material rack is a discharging rack, the discharging rack comprises a discharging rack body and a plurality of discharging supporting rods; a plurality of discharging supporting rods are arranged on the discharging frame body and incline upwards towards the direction of the material ejecting mechanism; a second stop block is arranged at the lower end part of the obliquely arranged discharging bearing rod; the ejector plate is of an inclined structure and is in the same inclined direction as the discharging bearing rod, and a protruding portion is arranged at the high end of the ejector plate of the inclined structure.

The centering feeding equipment disclosed by the invention can slide the workpiece close to the ejector plate through the feeding frame, and can realize feeding by manually feeding the workpiece to the ejector plate. Or, the centering feeding equipment can slide the workpiece to the discharging frame through the inclination of the ejector plate, so that the workpiece is discharged.

Compared with the prior art, the invention has the following advantages and beneficial effects:

1. the centering feeding equipment can adjust the conveying height, and realize centering with a workpiece processing mechanism, so that the convenience of processing and feeding and the production efficiency are improved.

2. The centering feeding equipment is convenient for feeding or discharging of the processed workpiece, so that the labor intensity of workers is reduced, and the production efficiency is further improved.

Drawings

FIG. 1 is a schematic top view of a centering and feeding device according to a first embodiment;

FIG. 2 is a partial schematic view of the centering feed device of the present invention;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a schematic view of a height adjustment mechanism in the centering feed device of the present invention;

FIG. 5 is a schematic view of a material ejecting mechanism in the centering and feeding device of the present invention;

FIG. 6 is a schematic view of the butt joint of the material feeding frame and the material ejecting mechanism;

FIG. 7 is a schematic top view of a centering and feeding device in accordance with a second embodiment;

FIG. 8 is a schematic view of the discharge frame and the ejector mechanism of the present invention in abutting engagement;

wherein, 1 is a frame, 2 is a workpiece, 3 is a workpiece processing mechanism, 3.1 is an inlet end, 3.2 is an outlet end, 4 is a conveying unit, 4.1 is a conveying roller, 4.2 is a roller rotating shaft, 4.3 is a roller rotating bearing seat, 4.4 is a roller bearing seat, 5 is a height adjusting mechanism, 5.1 is an adjusting motor, 5.2 is a step screw, 5.3 is a push rod I, 5.4 is a swing rod I, 5.5 is a moving seat, 5.6 is a transmission bearing seat, 5.7 is a connecting rod I, 5.8 is a connecting rod I, 6 is a material ejecting unit, 6.1 is a material ejecting plate, 6.2 is a swing rod II, 6.3 is a material ejecting rotating bearing seat, 6.4 is an ejecting rotating shaft, 6.5 is a connecting rod II, 6.6 is a connecting rod II, 7 is a conveying driving device, 7.1 is a conveying motor, 7.2 is a chain wheel I, 7.3 is a chain wheel II component, 7.4 is a three chain wheel, 7.5 is a slide seat, 8.8.8.8 chain wheel, 8 chain wheel driving device, 8.8 chain wheel is a push rod driving device, 8.8.8 chain wheel is a push rod driving device, and a push rod driving device is a cylinder, 9 is a feeding frame, 9.1 is a feeding frame body, 9.2 is a feeding bearing rod, 9.3 is a first stop block, 10 is a discharging frame, 10.1 is a discharging frame body, 10.2 is a discharging bearing rod, and 10.3 is a second stop block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-6, the centering feed device of the present invention is opposite the inlet end of the workpiece processing mechanism; this centering feeding equipment includes:

a frame 1;

the conveying mechanism is used for conveying the workpieces 2 to an inlet end 3.1 of the workpiece processing mechanism 3 and comprises a conveying driving device 7 and a plurality of conveying units 4 with conveying rollers 4.1, wherein the conveying units 4 are arranged on the rack 1, and the conveying driving device 7 is connected with the conveying units 4 and synchronously drives each conveying roller 4.1 to rotate in a linkage manner so as to realize the conveying of the workpieces 2;

a height adjusting mechanism 5 for adjusting the height of the conveying roller 4.1;

a feeding frame 9 arranged at the side part of the frame 1;

the ejection mechanism is used for feeding the workpiece 2;

the height adjusting mechanism 5 is connected with the conveying unit 4 and synchronously adjusts the height of each conveying roller 4.1 in a linkage manner, so that the conveying rollers 4.1 and the inlet end 3.1 of the workpiece processing mechanism 3 are positioned on the same horizontal line;

the ejection mechanism comprises an ejection driving device 8 and a plurality of ejection units 6 with ejection plates 6.1, the ejection units 6 are arranged on the frame 1, the ejection driving device 8 is connected with the ejection units 6 and synchronously drives each ejection plate 6.1 to ascend in a linkage mode, and the workpieces 2 on the conveying rollers 4.1 are accepted.

The conveying unit 4 of the invention further comprises a roller rotating shaft 4.2, a roller rotating bearing seat 4.3 and a roller bearing seat 4.4, wherein the roller rotating bearing seat 4.3 is arranged on the frame 1 and connected with the roller rotating shaft 4.2, the roller bearing seat 4.4 is connected with the roller rotating shaft 4.2, and the conveying roller 4.1 is arranged on the roller bearing seat 4.4.

The conveying driving device 7 comprises a conveying motor 7.1, a first chain wheel 7.2, a second chain wheel assembly 7.3, a third chain wheel 7.4 and a chain 7.5, wherein the first chain wheel 7.2 is connected with an output shaft of the conveying motor 7.1, the number of the second chain wheel assemblies 7.3 is equal to that of roller rotating shafts 4.2, the second chain wheel assemblies 7.3 are connected with the roller rotating shafts 4.2, the number of the third chain wheels 7.4 is equal to that of the conveying rollers 4.1, and each conveying roller 4.1 is coaxially connected with the third chain wheel 7.4; in each conveying unit 4, a chain wheel III 7.4 is connected with a chain wheel II assembly 7.3 through a chain 7.5; the adjacent chain wheel second assemblies 7.3 are connected through a chain 7.5, the chain wheel first assemblies 7.2 are connected with one group of chain wheel second assemblies 7.3 through the chain 7.5, and the conveying motor 7.1 synchronously drives each conveying roller 4.1 to rotate in a linkage mode. The centering feeding equipment disclosed by the invention can realize synchronous transmission of each conveying unit 4 by adopting a chain wheel and chain transmission mode, not only can simplify the driving and linkage structure of machinery, but also can improve the synchronism of mechanical action to ensure the conveying stability of the workpiece 2, so that the precision and quality of subsequent processing of the workpiece 2 are improved.

The height adjusting mechanism 5 comprises an adjusting motor 5.1, a transmission assembly, a first push rod 5.3, a first swing rod 5.4 and a first connecting assembly, wherein the number of the first swing rods 5.4 is equal to that of the roller rotating shafts 4.2, and the first swing rods 5.4 are connected with the roller rotating shafts 4.2; the adjacent first swinging rods 5.4 are hinged through the first connecting component; the adjusting motor 5.1 is connected with the first push rod 5.3 through the transmission assembly, one end of the first push rod 5.3 is hinged with the transmission assembly, and the other end of the first push rod 5.3 is hinged with one of the swing rods 5.4, so that the height of each conveying roller 4.1 can be synchronously adjusted by the adjusting motor 5.1 in a linkage mode. The centering feeding equipment adopts the transmission mode of the first push rod 5.3, the first swing rod 5.4 and the first connecting assembly to realize synchronous transmission of height adjustment of each conveying roller 4.1, so that the driving and linkage structure of machinery can be simplified, the synchronism of mechanical action can be improved to ensure that the heights of the conveying rollers 4.1 are equal, the conveying stability of the workpiece 2 is ensured, and the precision and the quality of subsequent processing of the workpiece 2 are improved.

Specifically, the transmission assembly comprises a ladder tooth screw rod 5.2, a movable seat 5.5 and a transmission bearing seat 5.6, wherein the ladder tooth screw rod 5.2 is connected with an adjusting motor 5.1 and is arranged on the transmission bearing seat 5.6 in a penetrating manner, and the movable seat 5.5 is sleeved on the ladder tooth screw rod 5.2 and is hinged with a first push rod 5.3; when the device works, the adjusting motor 5.1 drives the ladder tooth screw rod 5.2 to rotate so as to drive the moving seat 5.5 to move, and the push rod 5.3 pushes and pulls each swinging rod 5.4. And the first connecting component comprises a first connecting head 5.7 and a first connecting rod 5.8, the adjacent first connecting heads 5.7 are connected through the first connecting rods 5.8, and the first connecting heads 5.7 are hinged with the first swinging rods 5.4.

The ejection unit 6 is arranged between the adjacent conveying units 4, and further comprises a swing rod II 6.2, an ejection rotating bearing seat 6.3 and an ejection rotating shaft 6.4, wherein the ejection rotating bearing seat 6.3 is arranged on the rack 1 and connected with the ejection rotating shaft 6.4, the ejection plate 6.1 is arranged on the ejection rotating shaft 6.4, and the swing rod II 6.2 is connected with the ejection rotating shaft 6.4. The ejection mechanism further comprises a second connecting assembly, the adjacent second swinging rods 6.2 are hinged through the second connecting assembly, and the second connecting assembly comprises a second connecting head 6.5 and a second connecting rod 6.6; the adjacent second connecting heads 6.5 are connected through a second connecting rod 6.6, and the second connecting heads 6.5 are hinged with the second swinging rods 6.2.

The ejection driving device 8 comprises an ejection cylinder 8.1, a sliding seat 8.2, a linear rail 8.3 and a second push rod 8.4, wherein one end of the second push rod 8.4 is hinged with the sliding seat 8.2, the other end of the second push rod is hinged with one of the swing rods 6.2, and the sliding seat 8.2 is connected with the linear rail 8.3 in a sliding manner and is connected with the ejection cylinder 8.1; when the synchronous lifting device works, the ejection cylinder 8.1 drives the sliding seat 8.2 to move so as to drive the push rod two 8.4 to push and pull each oscillating rod two 6.2, and the ejection cylinder 8.1 synchronously drives each ejector plate 6.1 to ascend in a linkage mode so as to bear the workpiece 2 on the conveying roller 4.1. The centering feeding equipment adopts a transmission mode of the second push rod 8.4, the second swing rod 6.2 and the second connecting assembly to realize synchronous lifting of each ejector plate 6.1, so that the driving and linkage structure of machinery can be simplified, the synchronism of mechanical action can be improved to ensure the bearing stability of the workpiece 2, and the stability of the matching of conveying and feeding of the workpiece 2 is improved.

The feeding frame 9 of the centering feeding equipment comprises a feeding frame body 9.1 and a plurality of feeding bearing rods 9.2; a plurality of feeding bearing rods 9.2 are arranged on the feeding frame body 9.1 and incline downwards towards the direction of the material ejecting mechanism; the lower end part of the obliquely arranged feeding bearing rod 9.2 is provided with a first stop dog 9.3. The ejector plate 6.1 is of an inclined structure, the inclined direction of the ejector plate is the same as that of the feeding bearing rod 9.2, and a convex part is arranged at the lower end part of the ejector plate 6.1 of the inclined structure. The centering feeding equipment can slide the workpiece 2 to be close to the ejector plate 6.1 through the feeding frame 9, and manually feed the workpiece 2 to the ejector plate 6.1 to realize feeding.

Example two

The present embodiment is different from the first embodiment only in that: as shown in fig. 7 and 8, the feeding device in this embodiment does not include a material loading frame, and includes a material discharging frame 10 disposed on a side portion of the frame 1, where the material discharging frame 10 includes a material discharging frame body 10.1 and a plurality of material discharging support rods 10.2; a plurality of discharging supporting rods 10.2 are arranged on the discharging frame body 10.1 and incline upwards towards the direction of the material ejecting mechanism; a second stop block 10.3 is arranged at the lower end part of the obliquely arranged discharging bearing rod 10.2. The ejector plate 6.1 is of an inclined structure, the inclined direction of the ejector plate is the same as that of the discharging supporting rod 10.2, and a convex part is arranged at the high end part of the ejector plate 6.1 of the inclined structure.

The conveying mechanism of the embodiment is opposite to the outlet end 3.2 of the workpiece processing mechanism 3, and the height adjusting mechanism is connected with the conveying unit 4 and synchronously adjusts the height of each conveying roller in a linkage manner, so that the conveying rollers and the outlet end 3.2 of the workpiece processing mechanism 3 are in the same horizontal line. The centering feeding equipment of the embodiment can slide the workpiece 2 to the discharging rack 10 through the tilting of the ejector plate 6.1, so that the workpiece 2 is discharged.

Other structures of the present embodiment are consistent with the present embodiment.

The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.