CN217755760U

CN217755760U - Automatic feeding device for special-shaped pen tubes

Info

Publication number: CN217755760U
Application number: CN202221866489.7U
Authority: CN
Inventors: 许观良; 顾江华
Original assignee: Ningbo Kangda Art Painting Material Group Co ltd
Current assignee: Ningbo Kangda Art Painting Material Group Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-11-08
Anticipated expiration: 2032-07-19

Abstract

The utility model relates to an automatic feeding device of dysmorphism pen tube improves on current vibration dish, directional subassembly, pay-off slide, one by one on the basis of separable set and material loading hand subassembly, promptly separable set is including one by one: the material blocking part, the material pressing part and the first clamping jaw are positioned on one side of the feeding slide way, the material blocking part and the material pressing part are respectively connected with the first driving part and the second driving part and can extend into or leave from the feeding slide way, when the material blocking part is positioned in the feeding slide way, the material blocking part can be abutted against the front end of the special-shaped pen tube at the forefront end, and when the material pressing part is positioned in the feeding slide way, the subsequent special-shaped pen tube can be pressed; the first clamping jaw is provided with two first clamping parts which are oppositely opened and closed and can clamp the forefront special-shaped pen tube, the clamping jaw is arranged on the third driving part, and the third driving part can drive the first clamping jaw to move back and forth along the feeding slideway. After adopting above-mentioned structure, can realize the accurate material loading of special-shaped pen tube, can effectively improve production efficiency, practice thrift the cost of labor, and overall structure is simple, and the preparation is convenient.

Description

Automatic feeding device for special-shaped pen tubes

Technical Field

The utility model relates to an automated production equipment technical field specifically indicates an automatic feeding device of a pencil tube.

Background

The pen tube is one of the important components in the pen, especially in the oil painting brush, it is often made into a tubular body, and the pen head made of animal hair or nylon hair is fixed on one end of the pen tube. The traditional production mode is as follows: cutting and splitting the wool which is glued and solidified on the single surface into small bundles of wool according to the wool amount required by the pen tube; then inserting the cut small hair bundles into the pen tube; then, ejecting the small bundle of hairs to a required position by using an ejector pin; and then flattening the end part of the pen tube filled with the small bundle of bristles, and then injecting glue for curing.

The traditional operation mode is adopted, although the required oil painting brush can be manufactured, the production efficiency is low, and the cost is high. Therefore, automatic production equipment for the brush pen point is designed, and in order to realize automatic assembly, an automatic feeding device for the pen tube is used for conveying and transferring the pen tube to a feeding position of a conveying mechanism (each station of the conveying mechanism is provided with a pen tube positioning structure for clamping the pen tube), so that the pen tube can sequentially complete different assembly processes at different stations of the conveying mechanism. At present, the automatic feeding device for the pen tubes comprises a vibration disc, a feeding slide way and a feeding hand assembly, wherein one end of the feeding slide way is connected with the output end of the vibration disc, the other end of the feeding slide way is close to a conveying mechanism, and the feeding hand assembly is used for moving the pen tubes on the feeding slide way to a pen tube positioning structure of the conveying mechanism.

The structure of the feeding hand assembly is various according to different pen tubes and installation requirements, but most of the structures are complex, and mainly for cylindrical pen tubes, such as the structure disclosed in the document with chinese patent publication No. CN 110589417B. The automatic pen tube arranging and aligning device comprises a pen tube arranging and aligning device, a one-by-one separating device, a jacking device from bottom to top and an assembling manipulator (equivalent to a feeding hand assembly). The conventional pen holder is also a special-shaped pen holder as shown in fig. 7, that is, the caliber of one end (large-caliber end) of the pen holder is larger than the caliber of the other end (small-caliber end), and specifically, the conventional pen holder can be integrally formed as a conical tube; or may be formed by a straight pipe section at one end portion being excessively connected to a tapered section at the other end portion, and so on. Because the calibers of the two ports of the pen tube are not equal, the small-caliber end is inserted into the large-caliber end in the vibration process, so the existing automatic feeding device of the cylindrical pen tube cannot be suitable for feeding the special-shaped pen tube, and further improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art's current situation, provide an automatic feeding device of special-shaped pencil tube to improve the production efficiency of the painting brush that has this special-shaped pencil tube, reduction in production cost.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: an automatic feeding device for a special-shaped pen tube comprises

The vibrating disk is used for vibrating the special-shaped pen tube contained in the vibrating disk;

the orientation assembly is arranged at the output end of the vibration disc and is used for rejecting the special-shaped pen tube with the small-caliber end at the front end back into the vibration disc;

one end of the feeding slideway is connected with the output end of the vibrating disk, and the feeding slideway is used for bearing a special-shaped pen tube with a large-caliber end at the vibrating front end of the vibrating disk and guiding the special-shaped pen tube to move to the other end of the feeding slideway;

the one-by-one separating assembly is used for pulling out the special-shaped pen tube positioned at the forefront end in the feeding slide way from the subsequent special-shaped pen tube and conveying the special-shaped pen tube to the other end of the feeding slide way, and comprises a first clamping jaw which is provided with two first clamping parts which are oppositely opened and closed;

the material loading hand subassembly is located the other end department of pay-off slide for shift the dysmorphism pencil that is located the other end department of pay-off slide to the material loading station department on the transport mechanism, its characterized in that one by one the separator assembly includes:

the material blocking part is positioned on one side of the feeding slideway and is connected with the first driving part, the first driving part can drive the material blocking part to stretch into the feeding slideway or leave the feeding slideway, and when the material blocking part is positioned in the feeding slideway, the material blocking part can be abutted against the front end of the special-shaped pen tube at the forefront end;

the pressing piece is positioned on one side of the feeding slideway at the upstream of the material blocking piece and is connected with the second driving piece, the second driving piece can drive the pressing piece to extend into the feeding slideway or leave the feeding slideway, and when the pressing piece is positioned in the feeding slideway, the subsequent special-shaped pen tube can be pressed;

and the third driving piece is connected with the first clamping jaw to drive the first clamping jaw to move back and forth along the feeding slideway.

In order to ensure that the special-shaped pen tube in the feeding slideway can move forwards quickly, the feeding slideway also comprises a straight vibrator, and the feeding slideway is arranged on the straight vibrator.

In order to reduce the cost and facilitate the implementation, it is preferable that the first driving member and the second driving member are respectively a material blocking cylinder and a material pressing cylinder.

Also, preferably, the third driving member is a stripping cylinder fixed above the feeding slideway through a base, and the extension direction of a piston rod of the stripping cylinder is parallel to the feeding slideway.

In each of the above schemes, a further improvement is that a barrier strip for preventing the special-shaped pen tube from moving upwards is further arranged above the feeding slide way.

In order to ensure that the special-shaped pen tube sent by the first clamping jaw can be located at a required position, the improved special-shaped pen tube feeding device is further characterized in that a positioning cylinder is further arranged at the other end of the feeding slide way, and a piston rod of the positioning cylinder can extend into the feeding slide way and abut against the special-shaped pen tube sent by the first clamping jaw.

In each of the above solutions, preferably, the feeding hand assembly includes:

the fourth driving part is connected with a supporting seat and can drive the supporting seat to move up and down;

the fifth driving piece is arranged on the supporting seat, is connected with a movable seat and can drive the movable seat to move back and forth along the extension direction of the feeding slideway;

the front end of the second clamping jaw is provided with two second clamping parts which are oppositely opened and closed and can clamp the special-shaped pen tube, and the rear part of the second clamping jaw is sleeved on a rotating shaft supported on the movable seat and can rotate along with the rotating shaft;

the connecting rod assembly comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged to the supporting seat, the other end of the first connecting rod is hinged to the supporting seat, and the other end of the second connecting rod is fixed to the rotating shaft.

In the above preferred embodiment, the fourth driving member and the fifth driving member are a pull-back cylinder and a transfer cylinder, respectively.

In order to conveniently adjust the length of the first rod to control the rotation angle of the second claw, the improvement is that the first rod comprises a first rod body, a second rod body and a third rod body, screw holes with opposite thread directions are formed in two ends of the third rod body, two ends of the third rod body are respectively in threaded connection with one end of the first rod body and one end of the second rod body, the other end of the first rod body is hinged to the supporting seat, and the other end of the second rod body is fixed to the rotating shaft.

Compared with the prior art, because the utility model discloses set up the fender material spare and press the material spare and can follow the first clamping jaw of pay-off slide back-and-forth movement, consequently when the dysmorphism pencil that each other overlaps and establish moves forward to the dysmorphism pencil (first dysmorphism pencil promptly) of foremost in the pay-off slide when offsetting with the fender material spare, by the action of second driving piece, let the pressure material spare push down subsequent dysmorphism pencil (second dysmorphism pencil promptly), let the fender material spare leave the pay-off slide through first driving piece simultaneously, first special-shaped pencil is held to first clamping jaw this moment, and move forward under the drive of third driving piece, so it is practical novel can separate the special-shaped pencil that overlaps each other and put one by one, at last through material loading hand subassembly with special-shaped pencil smooth to the material loading station department of planting transport mechanism. Obviously, adopt the utility model discloses can realize the accurate material loading of special-shaped pen tube, and the material loading in-process does not receive human factor's influence, has not only effectively improved production efficiency, has practiced thrift the cost of labor, overall structure is simple moreover, and the preparation is convenient.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic perspective view of FIG. 1 in another direction (with the positioning cylinder removed, showing the positioning structure of the turntable and the special-shaped pen holder);

FIG. 3 is a perspective view of the singulator separation assembly of FIG. 1 with the feeder chute and the vibrator;

FIG. 4 is an exploded perspective view of FIG. 3;

FIG. 5 is a perspective view of the loading hand assembly of FIG. 1;

FIG. 6 is a schematic perspective view of the second jaw of FIG. 1 after being inverted;

fig. 7 is a schematic perspective view of a special-shaped pen tube carried by the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

Directional terms such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the present invention, but these terms are used herein for convenience of description only and are determined based on example orientations shown in the drawings. Because the disclosed embodiments may be oriented in different directions, the directional terms are used for descriptive purposes and are not intended to be limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite or coincident with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The automatic feeding device of dysmorphism pencil of this embodiment is some in the automatic production equipment of corresponding painting brush nib, automatic production equipment is used for carrying out automatic equipment with dysmorphism pencil a and brush hair, in this embodiment, automatic production equipment is including a carousel 10, please refer to fig. 2, be provided with a plurality of stations on the carousel 10, every station department is provided with dysmorphism pencil location structure 20, can open and shut automatically and grasp special-shaped pencil to make special-shaped pencil keep in upright state, the carousel can regularly rotate a required angle as required, this moment the carousel is as this automatic production equipment's drive mechanism, these do not relate to because of these the utility model discloses a protection does not expand the explanation here.

As shown in fig. 1 to 6, the automatic feeding device for special-shaped pen tubes in this embodiment is located at one side of the turntable 10, corresponds to a feeding station on the turntable 10, and includes a vibration plate 1, an orientation assembly 2, a feeding chute 3, a one-by-one separation assembly 4, and a feeding hand assembly 5, wherein the vibration plate 1 is used for vibrating the special-shaped pen tubes a contained therein, and the special-shaped pen tubes a are sequentially output from an output end thereof under the action of the vibration plate 1.

The orientation component 2 is arranged at the output end of the vibration disk and is used for rejecting the special-shaped pen tube with the small-caliber end at the front end into the vibration disk 1, and the special-shaped pen tube a vibrated out from the output end of the vibration disk 1 is ensured to be the special-shaped pen tube with the large-caliber end facing forwards. This directional subassembly can adopt prior art, for example adopt the laser sensor (also can adopt other sensors such as infrared sensor) that detects special-shaped pen tube toper direction and the gas blow pipe 21 that links to each other with the air supply, when laser sensor detected that special-shaped pen tube's toper direction is not conform to the direction of settlement (when the front end of special-shaped pen tube was the small-bore end this moment promptly), the control valve on the gas blow pipe 21 is controlled to following control system, makes the control valve open, and gas blow pipe 21 blowout high-pressure gas blows off this front end for the small-bore end in vibration dish 1, makes it get back to in the vibration dish 1 again.

One end of the feeding slideway 3 is connected with the output end of the vibrating disk 1, and the other end is adjacent to the rotary disk 10 and is used for bearing a special-shaped pen tube a with a large-caliber end at the front end which is vibrated by the vibrating disk 1 and guiding the special-shaped pen tube a to move to the other end of the feeding slideway 3; in order to ensure that the special-shaped pencils in the feeding slide way 3 move forward smoothly, one end of the feeding slide way 3 is higher than the other end and is arranged in a slightly inclined shape, in the embodiment, in order to accelerate the forward movement of the special-shaped pencils, the feeding slide way 3 is also arranged on the straight vibrator 6, and a blocking strip 7 is arranged above the feeding slide way to prevent the special-shaped pencils a from moving upwards in the feeding slide way 3 and then separating from the feeding slide way 3 under the vibration of the straight vibrator 6.

The one-by-one separating assembly 4 comprises a material blocking member 41, a material pressing member 42 and a first clamping jaw 43, wherein the material blocking member 41 is adjacent to the other end of the feeding slideway 3, is positioned at one side of the feeding slideway 3, and is connected with a first driving member, in the embodiment, the first driving member adopts a material blocking cylinder 44 with a piston rod vertical to the feeding slideway 3 for extension, and the material blocking member can be a piston rod of the material blocking cylinder 44; or a material stop block fixed at the end of the piston rod of the material stop cylinder 44. Along with the action of the material blocking cylinder 44, the material blocking member 41 extends and retracts relative to the feeding slideway 3 along with a piston rod of the material blocking cylinder so as to extend into the feeding slideway 3 or leave from the feeding slideway 3, and when the material blocking member is in the feeding slideway 3, the material blocking member can abut against the front end of the special-shaped pen tube (hereinafter referred to as a first special-shaped pen tube a 1) at the forefront end. The pressing member 42 is located on one side of the feeding chute 3 at the upstream of the blocking member 41 and connected to the second driving member, and the pressing member 42 may be distributed on the same side as the blocking member 41 or on the opposite side of the blocking member, as long as it is located on the upstream of the blocking member 41 (i.e. on the opposite direction of the advancing direction of the special-shaped pen tube). Similarly, with the action of the material pressing cylinder 45, the material pressing member 42 extends and retracts relative to the feeding slideway 3 along with the piston rod of the material pressing cylinder, so that the material pressing member 45 extends into the feeding slideway 3 or leaves the feeding slideway 3, and when the material pressing member 42 is in the feeding slideway 3, the subsequent special-shaped pen tube (hereinafter referred to as a second special-shaped pen tube a 2) of the foremost special-shaped pen tube can be pressed. The first clamping jaw 43 has two first clamping portions 432 driven by a first clamping cylinder 431 and capable of opening and closing relatively to clamp the first special-shaped pen tube a1, the first clamping jaw is a structure in the prior art, specifically, it can be seen that in the literature mentioned in the background art, the first clamping jaw 43 is mounted on a third driving member, the third driving member can drive the first clamping jaw 43 to move back and forth along the feeding slideway 3, for convenience of control and cost reduction, the third driving member is a stripping cylinder 47 fixed above the feeding slideway 3 through a base 46, and the extension direction of a piston rod of the stripping cylinder 47 is parallel to the feeding slideway 3.

In order to ensure that the special-shaped pen tube a conveyed by the first clamping jaw 43 can be located at the correct position, in this embodiment, the other end of the feeding slide 3 is further provided with a positioning cylinder 8 (see fig. 1), a piston rod of the positioning cylinder 8 can extend into the feeding slide 3 and can abut against the special-shaped pen tube conveyed by the first clamping jaw 43, and in the figure, in order to have a better abutting effect, a positioning block 81 is fixed at the front end of the piston rod of the positioning cylinder. Thus, the position of the separated special-shaped pen tube can be conveniently adjusted by adjusting the extension and retraction amount of the piston rod of the positioning cylinder 8 according to requirements, and the separated special-shaped pen tube can be smoothly clamped by the following second clamping jaw 51.

The feeding hand assembly 5 includes a fourth driving part, a fifth driving part, a second clamping jaw 51 and a connecting rod assembly 52, in this embodiment, the fourth driving part and the fifth driving part also employ air cylinders, that is, a pull-back air cylinder 53 and a transfer air cylinder 54, respectively, where the pull-back air cylinder 53 is installed on a support 55, the support 55 is designed to be a door-shaped structure through which the other end of the feeding chute 3 passes, a cylinder body of the pull-back air cylinder 53 is installed on a top plate 551 of the support 55, a bottom plate 552 is further fixed in the middle of the support 55, two first guide posts 553 are arranged between the top plate 551 and the bottom plate 552, a piston rod of the pull-back air cylinder 53 passes through the top plate 551 and then is connected with a support seat 56, and the first guide posts 553 pass through the support seat 56, so that the pull-back air cylinder 53 acts to drive the support seat 56 to move up and down under the guiding action of the first guide posts 553. The cylinder body of the transfer cylinder 54 is mounted on a support base 56, and in fig. 2, the cylinder body is fixed on the side surface of the support base 56, the piston rod of the transfer cylinder 54 moves back and forth along the extending direction of the feeding chute 3, and a movable seat 57 is fixed on the piston rod of the transfer cylinder 54. Two second guide posts 58 parallel to the piston rod of the transfer cylinder 54 are further disposed through the support base 56, so that the transfer cylinder 54 can move to drive the movable base 57 to move back and forth along the extension direction of the feeding chute 3 under the guiding action of the second guide posts 58. The structure of the second clamping jaw 51 is similar to that of the first clamping jaw 43, that is, the front end of the second clamping jaw 51 is also provided with two second clamping parts 512 which are driven by a second clamping cylinder 511 and can be opened and closed relatively to clamp the special-shaped pen tube a, but the shape of the second clamping part 512 is slightly different from that of the first clamping part 432, the rear part of the second clamping jaw 51 is sleeved on one end of a rotating shaft 59 and can rotate along with the rotating shaft 59, and the rotating shaft 59 is supported on the movable seat 57. In order to make the movable seat 57 move more smoothly, the movable seat 57 is composed of an upper movable seat 574 and a lower movable seat 572, the upper movable seat 571 is fixed with the two second guide posts 58 and the piston rod of the transfer cylinder 54, the lower movable seat 572 is fixed on the upper movable seat 571, and the rotating shaft 59 is installed on the lower movable seat 572, so that the processing is convenient, and the whole structure is stable. The connecting rod assembly 52 includes a first connecting rod 521 and a second connecting rod 522, one end of which is hinged to each other, the other end of the first connecting rod 521 is hinged to the supporting seat 56, and the other end of the second connecting rod 522 is fixed to the other end of the rotating shaft 59.

In order to facilitate the adjustment of the rotation angle of the second jaw 51, the second jaw can be smoothly located at the first position and the second position (i.e. the first position) (as shown in fig. 6): the first special-shaped pen tube a1 positioned at the other end of the feeding slideway 3 can be clamped (at the moment, the clamped special-shaped pen tube is in a horizontal state). In a second position (as shown in fig. 2) after flipping: the clamped special-shaped pen tube is in an upright state so as to be inserted into the feeding station of the turntable 10. The first link 521 is further improved and divided into three sections, that is, the first link 521 further includes a first rod 5211, a second rod 5212 and a third rod 5213, screw holes with opposite thread directions are formed at two ends of the third rod 5213, two ends of the third rod 5213 are respectively in threaded connection with one end of the first rod 5211 and one end of the second rod 5212, the other end of the first rod 5211 is hinged to the support base 56, and the other end of the second rod 5212 is fixed to the rotating shaft 59. Thus, by rotating the third rod 5213, the overall length of the first link 521 can be conveniently adjusted, so that the second jaw 51 can be rotated to two desired positions.

In order to realize automatic feeding, a plurality of sensors and a control system for receiving signals of the sensors are arranged at required positions, and when the special-shaped pen tube a is detected to reach a normal position, the control system controls the corresponding cylinder to act, and the specific working process is as follows: under the vibration of the vibration disk 1 and the direction of the orientation assembly 2, each special-shaped pen tube a orderly enters the feeding slideway 3 from the output end of the vibration disk 1 forward according to the large-diameter end, and smoothly moves forward in the feeding slideway 3 under the auxiliary vibration of the straight vibrator 6, at this time, adjacent special-shaped pen tubes are mutually sleeved, namely, the rear end of the former special-shaped pen tube is inserted into the front port of the latter special-shaped pen tube, when the front end of the special-shaped pen tube at the forefront end abuts against the material blocking member 44, the first clamping cylinder 431 of the first clamping jaw 43 sends a signal to the control system, the control system controls the pressing cylinder 45 to act, so that the pressing member 42 is inserted into the second special-shaped pen tube a2, and simultaneously, the material blocking member 41 leaves the feeding slideway 3 through the material removing cylinder 44, at this time, the first clamping cylinder 431 of the first clamping jaw 432 acts, the first clamping part 432 clamps the special-shaped pen tube a1, the material removing cylinder 47 acts to drive the first special-shaped pen tube a1 to move forward until the special-shaped pen tube a moves forward until the first clamping cylinder is pulled to the piston rod of the material blocking cylinder 54, the piston rod of the second clamping cylinder 54 moves back, and the piston rod moves back to move to the piston rod of the piston rod moving cylinder 511 (the piston rod moving cylinder) to move back to move the piston rod moving cylinder 54, at this time, the piston rod moving cylinder to move back cylinder to move the piston rod moving cylinder to control the piston rod moving cylinder to move the piston rod moving system, the piston rod moving cylinder to move back to move the piston rod moving cylinder 512. Then the pull-back air cylinder 53 and the transfer air cylinder 54 are operated again, the piston rod of the pull-back air cylinder 53 is moved upwards, the piston rod of the transfer air cylinder 54 is extended forwards, the second clamping jaw 51 is lifted and turned over to the state shown in fig. 5 along with the rotation of the rotating shaft 59 under the support of the connecting rod assembly, then the special-shaped pen tube a1 is inserted into the feeding station of the turntable 10 by moving downwards, and the second clamping part 512 is released. The operation of feeding the special pipe is completed in this way.

Claims

1. An automatic feeding device for a special-shaped pen tube comprises

The vibrating disk (1) is used for vibrating the special-shaped pen tube (a) contained in the vibrating disk;

the orientation assembly (2) is arranged at the output end of the vibration disc (1) and is used for rejecting the special-shaped pen tube with the small-caliber end at the front end back into the vibration disc (1);

one end of the feeding slide way (3) is connected with the output end of the vibrating disk (1) and is used for bearing a special-shaped pen tube (a) with a large-caliber end at the front end which is vibrated out by the vibrating disk (1) and guiding the special-shaped pen tube (a) to move to the other end of the feeding slide way (3);

the one-by-one separating assembly (4) is used for pulling out the special-shaped pen tube at the forefront end in the feeding slide way (3) from the subsequent special-shaped pen tube and conveying the special-shaped pen tube to the other end of the feeding slide way (3), the one-by-one separating assembly (4) comprises a first clamping jaw (43), and the first clamping jaw (43) is provided with two first clamping parts (432) which are oppositely opened and closed;

the feeding hand assembly (5) is positioned at the other end of the feeding slide way (3) and used for transferring the special-shaped pen tube (a) positioned at the other end of the feeding slide way (3) to a feeding station on the conveying mechanism, and is characterized in that: the one-by-one separation assembly (4) further comprises:

the material blocking part (41) is positioned on one side of the feeding slide way (3) and is connected with the first driving part, the first driving part can drive the material blocking part (41) to stretch into the feeding slide way (3) or leave the feeding slide way (3), and when the material blocking part (41) is positioned in the feeding slide way (3), the material blocking part can be abutted against the front end of the special-shaped pen tube at the forefront end;

the pressing piece (42) is positioned on one side of the feeding slide way (3) at the upstream of the material blocking piece (41) and is connected with a second driving piece, the second driving piece can drive the pressing piece (42) to extend into the feeding slide way (3) or leave from the feeding slide way (3), and when the pressing piece (42) is positioned in the feeding slide way (3), the subsequent special-shaped pen tube can be pressed;

and the third driving piece is connected with the first clamping jaw (43) so as to drive the first clamping jaw (43) to move back and forth along the feeding slideway (3).

2. The automatic feeding device of the special-shaped pen tube according to claim 1, characterized in that: the device also comprises a straight vibrator (6), and the feeding slide way (3) is arranged on the straight vibrator (6).

3. The automatic feeding device of the special-shaped pen tube according to claim 1, characterized in that: the first driving piece and the second driving piece are respectively a material blocking cylinder (44) and a material pressing cylinder (45).

4. The automatic feeding device of the special-shaped pen tube according to claim 1, characterized in that: the third driving piece is a stripping cylinder (47) fixed above the feeding slideway (3) through a base (46), and the telescopic direction of a piston rod of the stripping cylinder (47) is parallel to the feeding slideway (3).

5. The automatic feeding device of the special-shaped pen tube according to claim 1, characterized in that: and a blocking strip (7) for preventing the special-shaped pen tube from moving upwards is also arranged above the feeding slide way (3).

6. The automatic feeding device of the special-shaped pen tube according to claim 1, characterized in that: and a positioning cylinder (8) is further installed at the other end of the feeding slide way (3), and a piston rod of the positioning cylinder can extend into the feeding slide way (3) and can abut against a special-shaped pen tube conveyed by the first clamping jaw (43).

7. An automatic loading device for a profiled pen shaft according to any one of claims 1 to 6, characterized in that: the feeding hand component (5) comprises:

the fourth driving piece is connected with a supporting seat (56) and can drive the supporting seat (56) to move up and down;

the fifth driving piece is arranged on the supporting seat (56), is connected with a movable seat (57) and can drive the movable seat (57) to move back and forth along the extension direction of the feeding slide way (3);

the front end of the second clamping jaw (51) is provided with two second clamping parts (512) which are oppositely opened and closed and can clamp the special-shaped pen tube, and the rear part of the second clamping jaw (51) is sleeved on a rotating shaft (59) which is supported on the movable seat (57) and can rotate along with the rotating shaft (59);

the connecting rod assembly (52) comprises a first connecting rod (521) and a second connecting rod (522), one ends of the first connecting rod (521) and the second connecting rod are hinged to each other, the other end of the first connecting rod (521) is hinged to the supporting seat (56), and the other end of the second connecting rod (522) is fixed to the rotating shaft (59).

8. The automatic feeding device of the special-shaped pen tube as claimed in claim 7, wherein: the fourth driving piece and the fifth driving piece are respectively a pull-back air cylinder (53) and a transfer air cylinder (54).

9. The automatic feeding device of the special-shaped pen tube as claimed in claim 7, wherein: the first connecting rod (521) comprises a first rod body (5211), a second rod body (5212) and a third rod body (5213), screw holes with opposite thread directions are formed in two ends of the third rod body (5213), two ends of the third rod body (5213) are in threaded connection with one end of the first rod body (5211) and one end of the second rod body (5212) respectively, the other end of the first rod body (5211) is hinged to the supporting seat (56), and the other end of the second rod body (5212) is fixed to the rotating shaft (59).