CN210877223U

CN210877223U - Automatic feeding mechanism

Info

Publication number: CN210877223U
Application number: CN201921146567.4U
Authority: CN
Inventors: 黄永东
Original assignee: Yangzhong Tiancheng Seal Technology Co ltd
Current assignee: Yangzhong Tiancheng Seal Technology Co ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-06-30
Anticipated expiration: 2029-07-19

Abstract

The utility model relates to an automatic feeding mechanism, the cylinder shaft that sets up through mechanism business turn over cylinder inside is under the drive of external power supply, thereby promote slide plate seat and propulsion seat cushion around whole in order to realize its whole back-and-forth movement relative to stationary hand sliding guide, thereby conveniently send into preset position and return from preset position with the work piece of centre gripping in buckle seat and the buckle seat locking block, thereby conveniently realize the automatic return operation after automatic feeding and the material loading, loop through upset cylinder drive upset rocking arm axle, the upset arm simultaneously, finally realize buckle seat, buckle seat locking block, and the whole rotation of filler block in the buckle seat, thereby realize folding horizontal placement when not needing to use; meanwhile, the elastic cylinder of the clamping device drives the propelling seat to synchronously drive the telescopic arm to move back and forth so as to be matched with the positioning pin which extends backwards to lock the rotating positions of the buckle seat and the buckle seat locking block, and the positioning is accurate and effective.

Description

Automatic feeding mechanism

Technical Field

The utility model relates to a loading attachment, concretely relates to automatic feeding mechanism.

Background

In order to gradually realize full production automation in the prior art, a purely mechanical manipulator and other devices are often adopted to replace a manual feeding operation process in the prior art, when manual feeding is adopted in the traditional technology, due to the fact that the precision of manual operation is not high, precision errors are prone to being caused, meanwhile, serious safety threats are caused to personnel who perform manual operation, for a mechanical feeding mode which adopts the manipulator, in order to guarantee precision, the requirement on the operation precision of the manipulator is high, a good clamping effect is guaranteed while an accurate positioning effect is achieved, clamping in place can be guaranteed, workpieces cannot be damaged, and therefore an electric control device needs to be provided for the manipulator, operation is complex, and cost is high.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides an automatic feeding mechanism.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides an automatic feeding mechanism which characterized in that: the automatic feeding mechanism comprises a mechanism inlet and outlet cylinder, a supporting and fixing cylinder frame, a fixing plate, a clamping device tightening cylinder, a pushing seat, a cylinder cushion block, a turnover cylinder fixing seat, a telescopic arm, a sliding plate seat, a fixing hand sliding guide rail, a turnover cylinder, a pushing seat cushion block, a turnover mechanism fixing arm, a turnover rocker arm shaft, a turnover arm, a limiting baffle, a positioning pin, a buckle seat locking block and a buckle seat inner lining block; wherein,

the mechanism inlet and outlet cylinder is characterized in that two ends of the mechanism inlet and outlet cylinder are fixedly arranged above the fixed hand sliding guide rail through a supporting and fixing cylinder frame, a cylinder cushion block is arranged between the lower surface of the supporting and fixing cylinder frame and the upper surface of the fixed hand sliding guide rail, a cylinder shaft capable of moving back and forth in the mechanism inlet and outlet cylinder is arranged in the mechanism inlet and outlet cylinder, the rear end of the cylinder shaft is connected with an external power source, and the front end of the cylinder shaft is fixedly connected with a fixing plate;

a pushing seat cushion block is fixedly arranged on the front side of the fixed plate, a sliding plate seat is fixedly connected to the front end of the pushing seat cushion block, the pushing seat cushion block and the sliding plate seat are both positioned above a fixed hand sliding guide rail and can slide back and forth relative to the fixed hand sliding guide rail, a clamping device loosening cylinder is fixedly arranged above the pushing seat cushion block, a pushing seat capable of moving back and forth relative to the sliding plate seat and the clamping device loosening cylinder is sleeved above the sliding plate seat, a telescopic arm is arranged on the front end face of the pushing seat and on the sliding plate seat and can move back and forth relative to the sliding plate seat along with the pushing seat;

the turnover mechanism is characterized in that the telescopic arm is of a hollow structure, the turnover mechanism fixing arm is arranged on the outer side of the telescopic arm, the rear end of the turnover mechanism fixing arm is connected with the side wall of the sliding plate seat through a fixing shaft penetrating through the telescopic arm, the front end of the turnover mechanism fixing arm is hinged with the upper end of the turnover arm through a first rotating shaft, the lower end of the turnover arm is hinged with the front end of the turnover rocker arm shaft through a second rotating shaft, the rear end of the turnover arm shaft is fixedly connected with a cylinder shaft of a turnover cylinder, the rear end of the turnover cylinder is hinged with a turnover cylinder fixing seat through a third rotating shaft, and the turnover cylinder fixing seat is fixedly arranged on the;

the front end of the fixed arm of the turnover mechanism is connected with a buckle seat through a first rotating shaft, a buckle seat locking block is arranged in the center of the buckle seat, locking and positioning are achieved between the buckle seat and the buckle seat locking block through a positioning pin, a buckle seat inner lining block is further arranged inside the buckle seat locking block, and a limiting baffle is further fixedly arranged below the buckle seat locking block.

Furthermore, the rear end face of the propelling seat is fixedly connected with the front end of the cylinder shaft of the clamping device tightening cylinder, and the propelling seat moves back and forth relative to the sliding plate seat and the clamping device tightening cylinder through the telescopic motion of the cylinder shaft of the clamping device tightening cylinder.

Furthermore, the front end face of the telescopic arm is arranged to be in a step shape matched with the positioning pin, and the positioning pin is arranged in a protruding mode backwards relative to the buckle seat.

Furthermore, 2 fixed mounting holes are formed in the rear end of the fixed arm of the turnover mechanism in the front-back direction, and the fixed arm of the turnover mechanism is fixedly connected with the sliding plate seat through a fixed shaft penetrating through each fixed mounting hole.

Furthermore, the turnover arm is arranged on the outer side of the fixed arm of the turnover mechanism, the first rotating shaft is fixedly connected with the turnover arm, and the first rotating shaft sequentially penetrates through the turnover arm and the fixed arm of the turnover mechanism from outside to inside and is fixedly connected with the buckle seat.

Furthermore, the front end of the turnover rocker arm shaft is arranged in a groove shape, and the lower end of the turnover rocker arm is positioned in a groove opening of the groove shape.

Further, the upset cylinder fixing base sets up to the T font the top horizontal line position of T font is provided with 2 cylinder stroke regulation mounting holes respectively along the fore-and-aft direction, the upset cylinder fixing base is fixed mounting in the outside of advancing the seat cushion through the mounting that is located 2 cylinder stroke regulation mounting holes, the third pivot set up in the below vertical line position of T font is in order to realize the rear end of upset cylinder is articulated with the upset cylinder fixing base.

Further, the buckle seat is set to be of a split structure with two left and right halves, the buckle seat locking block is set to be of a split structure with two upper and lower halves, the split structure with the two upper and lower halves of the buckle seat locking block is located in the middle of the split structure with the two left and right halves of the buckle seat, a circular through hole is formed in the central position of the split locking blocks of the two upper and lower halves of the buckle seat, and an inner lining block of the buckle seat is set to be of the split structure with the two upper and lower halves of the circular through hole.

Furthermore, the limit baffle is arranged in a protruding mode backwards relative to the buckling seat, the buckling seat locking block and the buckling seat inner lining block in the front and back direction.

Further, the transverse size of the pushing seat in the left-right direction is larger than that of the pushing seat cushion block in the left-right direction and smaller than the distance between the left and right fixing arms of the turnover mechanism in the outermost side in the left-right direction.

The utility model has the advantages that:

(1) the mechanism is driven by an external power source to enter and exit a cylinder shaft arranged in the cylinder, so that the sliding plate seat and the pushing seat cushion block are integrally pushed forwards and backwards to realize integral forward and backward movement of the sliding plate seat and the pushing seat cushion block relative to a fixed hand sliding guide rail, a workpiece clamped in the buckle seat and the buckle seat lock block is conveniently sent into a preset position and returned from the preset position, automatic feeding and automatic returning operation after feeding are conveniently realized, meanwhile, the overturning rocker arm shaft and the overturning arm are driven by the overturning cylinder in sequence, and finally, the integral rotation of the buckle seat, the buckle seat lock block and a lining block in the buckle seat is realized, so that the folding transverse placement is realized when the use is not needed; meanwhile, the elastic cylinder of the clamping device drives the propelling seat to synchronously drive the telescopic arm to move back and forth so as to be matched with the positioning pin which extends backwards to lock the rotating positions of the buckle seat and the buckle seat locking block, and the positioning is accurate and effective.

Drawings

Fig. 1 is a schematic structural view of an automatic feeding mechanism of the present invention, which is observed from a first viewing angle;

fig. 2 is a schematic structural diagram of the automatic feeding mechanism observed from the second viewing angle.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1-2, an automatic feeding mechanism comprises a mechanism in-out cylinder 1, a support fixing cylinder frame 2, a fixing plate 3, a clamping device tightness cylinder 4, a pushing seat 5, a cylinder cushion block 6, a turnover cylinder fixing seat 7, a telescopic arm 8, a sliding plate seat 9, a fixing hand sliding guide rail 10, a turnover cylinder 11, a pushing seat cushion block 12, a turnover mechanism fixing arm 13, a turnover rocker arm shaft 14, a turnover arm 15, a limit baffle 16, a positioning pin 17, a buckle seat 18, a buckle seat locking block 19 and a buckle seat inner filler block 20; wherein,

the mechanism in-out cylinder 1 is characterized in that two ends of the mechanism in-out cylinder 1 are fixedly arranged above the fixed hand sliding guide rail 10 through a supporting and fixing cylinder frame 2, a cylinder cushion block 6 is arranged between the lower surface of the supporting and fixing cylinder frame 2 and the upper surface of the fixed hand sliding guide rail 10, a cylinder shaft 1-1 capable of moving back and forth in the mechanism in-out cylinder 1 is arranged in the mechanism in-out cylinder 1, the rear end of the cylinder shaft 1-1 is connected with an external power source, and the front end of the cylinder shaft 1-1 is fixedly connected with a fixing plate 3; preferably, the external power source is a bidirectional alternating current motor.

A propulsion seat cushion block 12 is fixedly arranged on the front side of the fixed plate 3, a sliding plate seat 9 is fixedly connected to the front end of the propulsion seat cushion block 12, the propulsion seat cushion block 12 and the sliding plate seat 9 are both positioned above the fixed hand sliding guide rail 10 and can slide back and forth relative to the fixed hand sliding guide rail 10, a clamping device loosening cylinder 4 is fixedly arranged above the propulsion seat cushion block 12, a propulsion seat 5 capable of moving back and forth relative to the sliding plate seat 9 and the clamping device loosening cylinder 4 is sleeved above the sliding plate seat 9, a telescopic arm 8 is arranged on the front end face of the propulsion seat 5 and positioned on the sliding plate seat 9, and the telescopic arm 8 can move back and forth relative to the sliding plate seat 9 along with the propulsion seat 5;

the telescopic arm 8 is arranged to be a hollow structure, the turnover mechanism fixing arm 13 is arranged on the outer side of the telescopic arm 8, the rear end of the turnover mechanism fixing arm 13 is connected with the side wall of the sliding plate seat 9 through a fixing shaft A penetrating through the telescopic arm 8, the front end of the turnover mechanism fixing arm 13 is hinged with the upper end of the turnover arm 15 through a first rotating shaft B, the lower end of the turnover arm 15 is hinged with the front end of the turnover rocker arm shaft 14 through a second rotating shaft C, the rear end of the turnover rocker arm shaft 14 is fixedly connected with a cylinder shaft of the turnover cylinder 11, the rear end of the turnover cylinder 11 is hinged with the turnover cylinder fixing seat 7 through a third rotating shaft D, and the turnover cylinder fixing seat 7 is fixedly installed on the;

the front end of the turnover mechanism fixing arm 13 is connected with a buckle seat 18 through a first rotating shaft B, a buckle seat locking block 19 is arranged in the center of the buckle seat 18, locking and positioning are achieved between the buckle seat 18 and the buckle seat locking block 19 through a positioning pin 17, a buckle seat inner lining block 20 is further arranged inside the buckle seat locking block 19, and a limit baffle 16 is further fixedly arranged below the buckle seat locking block 19.

The mechanism is driven by an external power source to enter and exit a cylinder shaft arranged in the cylinder, so that the sliding plate seat and the pushing seat cushion block are integrally pushed forwards and backwards to realize integral forward and backward movement of the sliding plate seat and the pushing seat cushion block relative to a fixed hand sliding guide rail, a workpiece clamped in the buckle seat and the buckle seat lock block is conveniently sent into a preset position and returned from the preset position, automatic feeding and automatic returning operation after feeding are conveniently realized, meanwhile, the overturning rocker arm shaft and the overturning arm are driven by the overturning cylinder in sequence, and finally, the integral rotation of the buckle seat, the buckle seat lock block and a lining block in the buckle seat is realized, so that the folding transverse placement is realized when the use is not needed; meanwhile, the elastic cylinder of the clamping device drives the propelling seat to synchronously drive the telescopic arm to move back and forth so as to be matched with the positioning pin which extends backwards to lock the rotating positions of the buckle seat and the buckle seat locking block, and the positioning is accurate and effective.

Specifically, the rear end face of the propulsion seat 5 is fixedly connected with the front end of the cylinder shaft of the clamping device tightness cylinder 4, the propulsion seat 5 moves back and forth relative to the sliding plate seat 9 and the clamping device tightness cylinder 4 through the telescopic motion of the cylinder shaft of the clamping device tightness cylinder 4, and therefore the propulsion seat 5 is used for driving the telescopic arm 8 to synchronously act under the driving of the cylinder shaft of the clamping device tightness cylinder 4 so as to lock the rotating positions of the buckle seat 18 and the buckle seat locking block 19.

Specifically, the front end face of the telescopic arm 8 is provided with a step shape matched with the positioning pin 17, and the positioning pin 17 is arranged in a protruding manner backwards relative to the buckle seat 18; preferably, the number of the positioning pins 17 is 2 in the up-down direction, and the front end surface of the telescopic arm 8 is provided with a step shape in which one side of the middle protrudes forward and both sides of the middle protrude backward so as to realize abutting fit with the positioning pins 17 protruding backward through the positions of both sides of the middle protrude backward.

Specifically, 2 fixed mounting holes are formed in the rear end of the turnover mechanism fixing arm 13 in the front-rear direction, and the turnover mechanism fixing arm 13 is fixedly connected with the sliding plate seat 9 through a fixing shaft a penetrating through each fixed mounting hole, so that synchronous front-rear movement of the turnover mechanism fixing arm 13 and the sliding plate seat 9 relative to the fixed hand sliding guide rail 10 is realized.

Specifically, the turning arm 15 is disposed outside the turning mechanism fixing arm 13, the first rotating shaft B is fixedly connected to the turning arm 15, and the first rotating shaft B sequentially penetrates through the turning arm 15 and the turning mechanism fixing arm 13 from outside to inside and is fixedly connected to the buckle seat 18, so as to simplify the internal structure and provide an internal rotating space for the rotating motion of the buckle seat 18 and the buckle seat locking block 19 at the inner side of the front end of the turning mechanism fixing arm 13.

Specifically, the front end of the tilt rocker shaft 14 is formed in a groove shape, the lower end of the tilt arm 15 is located in a notch of the groove shape, the lower end of the tilt arm 15 located in the notch is protected while the rotation is achieved by the hinge, and preferably, the lateral dimension of the lower end of the tilt arm 15 in the left-right direction is smaller than the lateral dimension of the upper end of the tilt arm 15 in the left-right direction so as to provide a rotation space for the front end of the tilt rocker shaft 14.

Specifically, the overturning cylinder fixing seat 7 is arranged in a T shape, 2 cylinder stroke adjusting mounting holes 7-1 are respectively formed in the upper transverse line position of the T shape along the front-back direction, the overturning cylinder fixing seat 7 is fixedly mounted on the outer side of the propulsion seat cushion block 12 through fixing pieces located in the 2 cylinder stroke adjusting mounting holes 7-1, so that different cylinder shaft pre-stretching lengths of the overturning cylinder 11 can be realized through different mounting positions of the mounting screws in the cylinder stroke adjusting mounting holes 7-1, and further, the optimal matching degree between the telescopic driving of the cylinder shaft of the overturning cylinder 11 and the rotation of the buckle seat 18 and the buckle seat locking block 19 is realized; the third pivot D sets up in the below vertical line position of T font in order to realize the rear end of upset cylinder 11 and the articulated of upset cylinder fixing base 7, when buckle seat 18 and buckle seat latch segment 19 are rotatory, and then can drive the rotation of upset cylinder 11 realization small-amplitude through third pivot D.

Specifically, the buckle seat 18 is set to be a split structure with a left half and a right half, the buckle seat lock block 19 is set to be a split structure with an upper half and a lower half, and the split structure with the upper half and the lower half of the buckle seat lock block 19 is located in the middle of the split structure with the left half and the right half of the buckle seat 18, so that the models of the buckle seat 18 and the buckle seat lock block 19 can be conveniently adjusted according to different sizes of workpieces to realize the optimal matching of the workpieces to be clamped, and the application range is wide; circular through-hole has been seted up to the central point that the upper and lower two halves buckle seat locking piece 19 that the concatenation is in the same place put together, and the split type structure of buckle seat inner liner piece 20 setting is two halves about with circular through-hole assorted to the size difference of pressing from both sides the work piece and the difference of pressing from both sides the elasticity of pressing from both sides select for use different buckle seat inner liner pieces 20 simultaneously to be convenient for install according to treating.

Specifically, the limit stopper 16 is provided to protrude rearward in the front-rear direction with respect to the buckle holder 18, the buckle holder lock piece 19, and the buckle holder inner pad 20, so that when the buckle holder 18 and the buckle holder lock piece 19 mounted together are reversely rotated due to a manual malfunction, the limit stopper 16 collides against the fixed hand slide rail 10 to prevent further damage to the tumble cylinder 11.

Specifically, the transverse dimension of the pushing seat 5 in the left-right direction is larger than that of the pushing seat cushion block 12 in the left-right direction, so that the pushing seat 5 is pushed forwards by manual operation to synchronously drive the front end of the telescopic arm 8 to be abutted and matched with the positioning pin 17 extending backwards, and the locking of the rotating positions of the buckle seat 18 and the buckle seat locking block 19 is realized; and specifically set up and impel seat 5 horizontal size on the left and right sides direction and be less than about two tilting mechanism fixed arms 13 distance between the outside on the left and right sides direction to can block to impel seat 5 with the farthest scope of the flexible arm 8 forward movement of restriction through controlling two tilting mechanism fixed arms 13, thereby effectively realize the limiting displacement to flexible arm 8, avoid the too preceding stretching of flexible arm 8 front end to cause the damage to locating pin 17, buckle seat 18, buckle seat locking piece 19.

The working process of the system is as follows:

according to the size of a workpiece to be clamped, a buckle seat 18, a buckle seat locking block 19 and a buckle seat inner lining block 20 with proper sizes are determined, after the buckle seat inner lining block 20 is installed in a central through hole of the buckle seat locking block 19, the buckle seat locking block 19 and the buckle seat inner lining block 20 are fixedly connected through a positioning pin 17, then the workpiece is installed in the central through hole of the buckle seat locking block 19 in the horizontal position, a turnover arm 15 is shifted clockwise to the position in figure 1, under the action of a cylinder shaft of a turnover cylinder 11, a first rotating shaft B with one end fixedly connected with the turnover arm 15 drives the buckle seat 18 and the buckle seat locking block 19 which are fixed with the other end of the first rotating shaft B to be located at the current position in figure 1, then a pushing seat 5 is manually pushed forward, a telescopic arm 8 located in front of the pushing seat 5 is driven to synchronously move forward, so that the front end of the telescopic arm 8 is matched with the positioning pin 17 which extends backwards, and the buckle seat 18 and the buckle seat locking block 19 are locked at the current rotating position, then the cylinder shaft 1-1 is pushed to move forwards under the drive of an external power source, so that the fixed plate 3, the clamping device elastic cylinder 4, the pushing seat 5, the sliding plate seat 9, the buckle seat 18 and the buckle seat cable block 19 are driven to synchronously move forwards on the fixed hand sliding guide rail 10 to realize workpiece feeding motion, and the cylinder shaft 1-1 is driven to reset backwards under the action of the external power source, so that the fixed plate 3, the clamping device elastic cylinder 4, the pushing seat 5, the sliding plate seat 9, the buckle seat 18 and the buckle seat cable block 19 are driven to synchronously move backwards on the fixed hand sliding guide rail 10 to realize that the workpiece homing motion returns to the initial position to prepare for next feeding.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides an automatic feeding mechanism which characterized in that: the automatic feeding mechanism comprises a mechanism in-and-out cylinder (1), a supporting and fixing cylinder frame (2), a fixing plate (3), a clamping device tightness cylinder (4), a pushing seat (5), a cylinder cushion block (6), a turnover cylinder fixing seat (7), a telescopic arm (8), a sliding plate seat (9), a fixing hand sliding guide rail (10), a turnover cylinder (11), a pushing seat cushion block (12), a turnover mechanism fixing arm (13), a turnover rocker arm shaft (14), a turnover arm (15), a limiting baffle plate (16), a positioning pin (17), a buckle seat (18), a buckle seat locking block (19) and a buckle seat inner lining block (20); wherein,

the mechanism comprises a mechanism in-out cylinder (1), a fixed hand sliding guide rail (10), a cylinder cushion block (6) arranged between the lower surface of the support fixed cylinder frame (2) and the upper surface of the fixed hand sliding guide rail (10), a cylinder shaft (1-1) capable of moving back and forth in the mechanism in-out cylinder (1) is arranged in the mechanism in-out cylinder (1), the rear end of the cylinder shaft (1-1) is connected with an external power source, and the front end of the cylinder shaft (1-1) is fixedly connected with a fixed plate (3);

a pushing seat cushion block (12) is fixedly arranged at the front side of the fixed plate (3), a sliding plate seat (9) is fixedly connected with the front end of the pushing seat cushion block (12), the propulsion seat cushion block (12) and the sliding plate seat (9) are both positioned above the fixed hand sliding guide rail (10) and can slide back and forth relative to the fixed hand sliding guide rail (10), a clamping device elastic cylinder (4) is fixedly arranged above the propulsion seat cushion block (12), a propelling seat (5) which can move back and forth relative to the sliding plate seat (9) and the clamping device elastic cylinder (4) is sleeved above the sliding plate seat (9), a telescopic arm (8) is arranged on the front end surface of the propelling seat (5) and positioned on the sliding plate seat (9), the telescopic arm (8) can move back and forth relative to the sliding plate seat (9) along with the propelling seat (5);

the turnover mechanism is characterized in that the telescopic arm (8) is of a hollow structure, the turnover mechanism fixing arm (13) is arranged on the outer side of the telescopic arm (8), the rear end of the turnover mechanism fixing arm (13) is connected with the side wall of the sliding plate seat (9) through a fixing shaft (A) penetrating through the telescopic arm (8), the front end of the turnover mechanism fixing arm (13) is hinged with the upper end of the turnover arm (15) through a first rotating shaft (B), the lower end of the turnover arm (15) is hinged with the front end of a turnover rocker arm shaft (14) through a second rotating shaft (C), the rear end of the turnover rocker arm shaft (14) is fixedly connected with a cylinder shaft of a turnover cylinder (11), the rear end of the turnover cylinder (11) is hinged with a turnover cylinder fixing seat (7) through a third rotating shaft (D), and the turnover cylinder fixing seat (7) is fixedly arranged on the outer side of a pushing seat cushion block;

the front end of tilting mechanism fixed arm (13) is connected with buckle seat (18) through first pivot (B) the central authorities of buckle seat (18) are provided with buckle seat locking piece (19), realize the locking location through locating pin (17) between buckle seat (18) and buckle seat locking piece (19) the inside of buckle seat locking piece (19) still is provided with inside filler block (20) of buckle seat the below of buckle seat locking piece (19) still fixed limit baffle (16) that is provided with.

2. An automatic feeding mechanism according to claim 1, characterized in that: the rear end face of the propelling seat (5) is fixedly connected with the front end of a cylinder shaft of the clamping device tightening cylinder (4), and the propelling seat (5) moves back and forth relative to the sliding plate seat (9) and the clamping device tightening cylinder (4) through the telescopic motion of the cylinder shaft of the clamping device tightening cylinder (4).

3. An automatic feeding mechanism according to claim 1, characterized in that: the front end face of the telescopic arm (8) is arranged to be in a step shape matched with the positioning pin (17), and the positioning pin (17) is arranged in a protruding mode backwards relative to the buckle seat (18).

4. An automatic feeding mechanism according to claim 1, characterized in that: the rear end of the turnover mechanism fixing arm (13) is provided with 2 fixed mounting holes along the front-back direction, and the turnover mechanism fixing arm (13) is fixedly connected with the sliding plate seat (9) through a fixing shaft (A) penetrating through each fixed mounting hole.

5. An automatic feeding mechanism according to claim 1, characterized in that: upset arm (15) set up in the outside of tilting mechanism fixed arm (13), first pivot (B) with upset arm (15) link firmly, first pivot (B) is from outside-in pass in proper order upset arm (15) with behind tilting mechanism fixed arm (13), with buckle seat (18) fixed connection.

6. An automatic feeding mechanism according to claim 1, characterized in that: the front end of the turnover rocker arm shaft (14) is in a groove shape, and the lower end of the turnover arm (15) is positioned in a groove-shaped notch.

7. An automatic feeding mechanism according to claim 1, characterized in that: the overturning air cylinder fixing seat (7) is arranged to be T-shaped, 2 air cylinder stroke adjusting mounting holes (7-1) are respectively formed in the transverse line position above the T-shaped along the front-back direction, the overturning air cylinder fixing seat (7) is fixedly mounted on the outer side of the propulsion seat cushion block (12) through fixing pieces located in the 2 air cylinder stroke adjusting mounting holes (7-1), and a third rotating shaft (D) is arranged on the vertical line position below the T-shaped to achieve hinging of the rear end of the overturning air cylinder (11) and the overturning air cylinder fixing seat (7).

8. An automatic feeding mechanism according to claim 1, characterized in that: the utility model discloses a buckle seat, including buckle seat (18), buckle seat locking piece (19), upper and lower two halves split type structures, buckle seat (18) sets up to the split type structure of the left and right halves, buckle seat locking piece (19) upper and lower two halves split type structure is located the intermediate position of the left and right two halves split type structure of buckle seat (18), the central point that the upper and lower two halves buckle seat locking piece (19) that the concatenation is in the same place put up circular through-hole, filler block (20) set up to with circular through-hole assorted upper and lower two halves split type structure in the buckle seat.

9. An automatic feeding mechanism according to claim 1, characterized in that: the limiting baffle (16) is arranged in a protruding mode backwards relative to the buckling seat (18), the buckling seat locking block (19) and the buckling seat inner filler block (20) in the front-back direction.

10. An automatic feeding mechanism according to claim 1, characterized in that: the transverse size of the propulsion seat (5) in the left-right direction is larger than that of the propulsion seat cushion block (12) in the left-right direction and smaller than the distance between the left and right turnover mechanism fixing arms (13) at the outermost sides in the left-right direction.