CN220681529U - Ejecting autogiration's demoulding structure - Google Patents

Abstract

The utility model relates to an ejecting autogiration's demoulding structure relates to the technical field of mould, it includes the bottom plate that sets gradually from bottom to top, down the thimble board, go up thimble board, back mould backing plate and back template, the bottom plate is used for being connected with the processing platform that moulds plastics, lower thimble board and last thimble board fixed connection, and be located between back mould backing plate and the back template and be equipped with the mold insert that is used for moulding plastics impeller at the middle part, the mold insert that moulds plastics includes center location mold insert and rotates the rotatory mold insert of cup joint on center location mold insert, the bottom of center location mold insert is fixed in on the back mould backing plate, center location mold insert top upwards extends to in the back template, rotatory mold insert rotates the joint in the back template, and be equipped with the shaping groove with the blade meshing of impeller on the rotatory mold insert, the impeller shaping is between center location mold insert and rotatory mold insert. The application has the effects of conveniently realizing impeller demolding and reliable structure.

Description

Ejecting autogiration's demoulding structure

Technical Field

The application relates to the technical field of dies, in particular to a demolding structure capable of automatically rotating in ejection.

Background

In the field of machining batch production, the injection molding batch processing of a mould is mainly adopted, wherein the impeller type products have complex structures, and the impeller part is provided with an inclined inverted buckle, so that the impeller is smoothly demolded, the processing quality requirement is met, and the size of the impeller injection molding mould is generally larger.

At present, impeller casting mould that uses among the relevant technique mainly includes box and sets up cooling device and auxiliary device in the box, and the impeller is moulded plastics in the box, and cooling device is used for cooling down the mould in the in-process of moulding plastics, and auxiliary device is then used for carrying out the drawing of patterns to the impeller. The bottom of the box body is fixedly connected with a bottom plate, the top of the bottom plate is connected with a hydraulic column, and the top of the box body is provided with a lower die; the auxiliary device comprises an auxiliary plate fixedly connected to the left side wall of the lower die and located at a position close to the upper side, then a clamping block is connected to the top of the auxiliary plate in a threaded manner and located at a position close to the left side, a pushing rod is connected to the left side wall of the auxiliary plate in a sliding manner and located in the middle, a pushing block is fixedly connected to the right end of the pushing rod, a baffle is fixedly connected to the outer wall of the pushing rod and located in the middle, a compression spring is movably sleeved on the right side of the pushing rod, the compressing spring moves upwards through adjusting the clamping block, the baffle is driven to move rightwards by the compression spring, the pushing block drives the pushing block to move rightwards through the pushing rod, the impeller is separated from the side wall, and finally the pushing column is driven to move upwards through a hydraulic column, so that the impeller is pushed out of the die.

With respect to the related art in the above, there are the following drawbacks: the auxiliary device is used for demolding in a sliding pushing mode of the impeller, the whole structure is complex, the operation is laborious, and the improvement is needed.

Disclosure of Invention

In order to improve the problem that the impeller is demolded through the mode of sliding pushing, the structure is complicated, and the operation is laborious, the application provides an ejecting autogiration's demoulding structure.

The application provides a ejecting autogiration's demoulding structure adopts following technical scheme:

the utility model provides an ejecting autogiration's demoulding structure, includes bottom plate, lower thimble board, upper thimble board, back mould backing plate and the back template that from bottom to top set gradually, the bottom plate is used for being connected with the processing platform that moulds plastics, lower thimble board with go up thimble board fixed connection, back mould backing plate with be located between the back template and be equipped with the mold insert that is used for moulding plastics the impeller at the middle part, the mold insert includes center location mold insert and rotates and cup joints rotatory mold insert on the center location mold insert, the bottom of center location mold insert is fixed in on the back mould backing plate, center location mold insert top upwards extends to in the back template, rotatory mold insert rotates the joint in the back template, just be equipped with on the rotatory mold insert with the blade meshing's of impeller shaping groove, the impeller shaping in between center location mold insert and the rotatory mold insert, bottom plate, lower thimble board, go up between mold backing plate and the back template still the activity wear to be equipped with, the top with the impeller butt of injection moulding, be equipped with on the bottom plate and be used for sliding in the drive thimble for the rotatory template that is equipped with the rotation of ejector pin.

Through adopting above-mentioned technical scheme, when moulding plastics the impeller, install the bottom plate on moulding plastics processing platform, then pour the impeller through central location mold insert and rotatory mold insert, until after the impeller shaping, use driving piece drive thimble to slide, at this moment under the restriction of rotating the piece, when the impeller is promoted to slide, can rotate along blade incline direction, drive rotatory mold insert and rotate then, finally make the impeller push out on one side, rotate the drawing of patterns round rotatory mold insert on the other side, easy and simple to handle, reliably.

Optionally, the rotating member includes spacing round platform and rolling bearing, spacing round platform ring is located on the rotatory mold insert, be located on the back template spacing round platform top and bottom all encircle a week and are equipped with the rotation groove, rolling bearing fixed joint in the rotation inslot, and two rolling bearing's ball with spacing round platform's top and bottom butt respectively.

Through adopting above-mentioned technical scheme, spacing round platform and the rolling bearing of setting are through installing rolling bearing at spacing round platform's top and bottom to effectively make rotatory mold insert rotate and connect in the back template, utilize rolling bearing's rotation characteristic, when impeller produces the trend of sliding, convenient drive rotatory mold insert rotates, the structure is reliable.

Optionally, the driving piece includes spliced pole and fixed round platform, go up the thimble board and pass on the inner wall of thimble is equipped with the joint recess, fixed round platform ring is located on the thimble, just fixed round platform outer lane joint in the joint recess, be equipped with two on the bottom plate along axis symmetry and keep away the position groove, the thimble board passes keep away the position groove with lower thimble board fixed connection.

Through adopting above-mentioned technical scheme, the spliced pole and the fixed round platform that set up use fixed round platform to fix thimble and last thimble board and lower thimble board, use the spliced pole drive to go up thimble board and lower thimble board displacement, at this moment effectively drive the thimble and produce the displacement, and use the spliced pole can be direct use with the device cooperation on the processing platform of moulding plastics, it is very practical.

Optionally, the bottom plate is close to the thimble fixedly connected with support column, go up the thimble board with all offer the confession on the thimble board down the perforation that the support column passed, the support column passes the perforation with back mould pad board fixed connection.

Through adopting above-mentioned technical scheme, the support column of setting, when last thimble board and lower thimble board displacement, further play the support direction effect for last thimble board and lower thimble board to improve the stability of impeller drawing of patterns, promote drawing of patterns quality.

Optionally, the back mould pad board passes the inner wall of thimble and encircles and be equipped with fixed draw-in groove, the joint has fixed bearing in the fixed draw-in groove, fixed bearing's top with the bottom roll butt of rotatory mold insert, fixed bearing's bottom with center location mold insert supports tightly.

Through adopting above-mentioned technical scheme, set up fixed bearing, with fixed bearing joint in fixed draw-in groove to utilize fixed bearing not only consolidate the connection of center location mold insert, can also reduce the friction between rotatory mold insert and the center location mold insert, the structure is reliable.

Optionally, still include detachable connect in auxiliary demoulding device on the back template, auxiliary demoulding device including the symmetry install in the support of back template both sides, connect in electric telescopic handle on the support and connect in the adsorption piece of electric telescopic handle output, the support perpendicular connect in on the back template, electric telescopic handle's output axis with the support is perpendicular, and two electric telescopic handle's flexible direction is relative, electric telescopic handle's output still is equipped with the slider, the slider is used for the drive the adsorption piece slides along the axis direction of impeller, the adsorption piece is used for adsorbing the impeller drawing of patterns.

Through adopting above-mentioned technical scheme, if the impeller drawing of patterns is to half when breaking down, the electric telescopic handle drive slider that uses the setting is close to the impeller with the adsorption piece, and the position of adsorption piece is adjusted to the rethread slider for the adsorption piece can hold the impeller, continues to take out the impeller at last under the effect of slider, accomplishes the drawing of patterns, and the structure is reliable, convenient to use.

Optionally, the slider is including connecting in the linear electric motor of electric telescopic handle output, linear electric motor's slip axis with electric telescopic handle's axis is perpendicular, the adsorption equipment with linear electric motor's output fixed connection.

Through adopting above-mentioned technical scheme, use linear electric motor directly to drive the absorption piece and go up and down to slide, realize the absorption drawing of patterns to the impeller, the structure is reliable.

Optionally, the adsorption element includes the mounting panel and sets firmly in a plurality of gas sucking discs on the mounting panel, the mounting panel with linear electric motor's output fixed connection, the gas sucking disc is used for adsorbing the impeller.

Through adopting above-mentioned technical scheme, use the air suction disc, the supplementary impeller drawing of patterns of mode of effective utilization air suction, the drawing of patterns is convenient, effectively reduces the wearing and tearing to the impeller, ensures product quality.

To sum up, the application includes the following at least one ejecting autogiration's demoulding structure beneficial technical effect:

1. through the central positioning insert, the rotary insert, the thimble, the driving piece and the rotating piece, when the impeller is injection molded, the bottom plate is arranged on the injection molding processing platform, the impeller is molded by pouring the central positioning insert and the rotary insert, the driving piece is used for driving the thimble to slide, and finally, when the impeller is pushed to slide under the limit of the rotating piece, the impeller rotates along the inclined direction of the blade, and then the rotary insert is driven to rotate, so that the impeller is ejected out while rotating around the rotary insert, and the operation is simple, convenient and reliable;

2. through the support column that sets up for go up thimble board and thimble board down when the displacement, the structure is more stable, effectively reduces the condition that appears rocking, thereby provides the convenience for the impeller drawing of patterns, and the structure is reliable.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present application;

FIG. 2 is a schematic cross-sectional view of embodiment 1 of the present application;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is a schematic diagram of an exploded construction for showing an impeller, a center positioning insert, and a rotating insert;

fig. 5 is a schematic overall structure of embodiment 2 of the present application.

Reference numerals: 1. a bottom plate; 10. a clearance groove; 11. a support column; 2. a lower ejector plate; 3. an upper ejector plate; 30. a clamping groove; 4. a rear die pad plate; 40. a fixing slot; 41. fixing a bearing; 5. a rear template; 50. a rotating groove; 6. an impeller; 60. a blade; 61. a rotating shaft; 7. injection molding the insert; 70. a center positioning insert; 71. rotating the insert; 710. limiting round table; 711. a rotating bearing; 8. a thimble; 80. a top column; 800. hanging ring holes; 81. fixing the round table; 9. an auxiliary demolding device; 90. a bracket; 91. an electric telescopic rod; 92. an absorbing member; 920. a mounting plate; 921. an air suction cup; 93. a slider.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

Example 1

The embodiment of the application discloses ejecting autogiration's demoulding structure, refer to fig. 1 and 2, including bottom plate 1, lower thimble board 2, last thimble board 3, back mould pad board 4 and back template 5 that set gradually from bottom to top, wherein bottom plate 1 is used for being connected with the processing platform that moulds plastics, and the processing equipment that moulds plastics that uses in this embodiment is the injection molding machine (not shown in the figure), and the installation station of bottom plate 1 is the processing platform of injection molding machine at this moment, then passes through bolt fixed connection together with lower thimble board 2 and last thimble board 3 again.

With further reference to fig. 2 and 3, in this embodiment, the impeller 6 includes a blade 60 and a rotating shaft 61, in order to implement injection molding of the impeller 6, an injection molding insert 7 is disposed between the rear die pad 4 and the rear die plate 5, and is located in the middle, the injection molding insert 7 includes a center positioning insert 70 and a rotating insert 71 rotatably sleeved on the center positioning insert 70, the center positioning insert 70 is used for completing injection molding of a portion of the rotating shaft 61, the center positioning insert 70 is cylindrically disposed, then the bottom of the center positioning insert 70 is fixed on the rear die pad 4, the top of the center positioning insert 70 extends upward into the rear die plate 5, and then the rotating insert 71 is rotatably clamped in the rear die plate, at this time, the center positioning insert 70 and the rotating insert 71 are located on the same axis, and a molding groove engaged with the blade 60 of the impeller 6 is provided on the rotating insert 71, so that the blade 60 is effectively molded, thereby molding the impeller 6 between the center positioning insert 70 and the rotating insert 71. Finally, in order to demolding the molded impeller 6 from the mold, a thimble 8 is movably arranged among the bottom plate 1, the lower thimble plate 2, the upper thimble plate 3, the rear die cushion plate 4 and the rear die plate 5 in a penetrating manner, the axis of the thimble 8 is consistent with that of the center positioning insert 70, the top of the thimble 8 is abutted with the injection molded impeller 6, finally, a driving piece for driving the thimble 8 to slide upwards is arranged on the bottom plate 1, and a rotating piece for driving the rotating insert 71 to rotate is arranged in the rear die plate 5.

When the driving piece drives the thimble 8 to slide upwards, the thimble 8 can push the impeller 6, but because the blade 60 part of the impeller 6 is meshed with the rotating insert 71 in the rotating insert 71, when the impeller 6 generates a displacement trend upwards, the rotating insert 71 can rotate along the inclined direction of the blade 60 under the action of the rotating piece, and finally the impeller 6 can rotate around the rotating insert 71 while being ejected, so that demolding is completed, and the whole structure is compact, and the production is stable and reliable.

Referring to fig. 3, in this embodiment, the rotating member includes a limiting circular table 710 and a rotating bearing 711, the limiting circular table 710 is annularly disposed on the rotating insert 71, the width of the top of the limiting circular table 710 is larger than that of the bottom, then the top and the bottom of the limiting circular table 710 on the rear mold plate 5 are all surrounded and provided with a rotating groove 50, the rotating bearing 711 is fixedly clamped in the rotating groove 50, and the balls of the two rotating bearings 711 are respectively abutted with the top and the bottom of the limiting circular table 710. Therefore, when the impeller 6 is driven to move upwards by the thimble 8, the rotary insert 71 effectively rotates along the inclined direction of the blade 60 under the action of the rotary bearing 711, so that the rotary demoulding of the impeller 6 is realized, and the rotary demoulding device is reliable in structure and convenient to operate.

Referring to fig. 3 and 4, in this embodiment, the driving member includes a jack post 80 and a fixed circular table 81, the upper thimble plate 3 passes through the inner wall of the thimble 8 and is provided with a clamping groove 30, the fixed circular table 81 is provided on the thimble 8 in a surrounding manner, and the outer ring of the fixed circular table 81 is clamped in the clamping groove 30. At this time, the top of the fixed round table 81 is abutted with the inner wall of the clamping groove 30, and the bottom of the fixed round table 81 is abutted with the lower ejector plate 2, so that the ejector pins 8 are effectively fixed with the upper ejector plate 3 and the lower ejector plate 2. Finally, two avoidance grooves 10 are symmetrically arranged on the bottom plate 1 along the axis, and the ejector columns 80 penetrate through the avoidance grooves 10 and are fixedly connected with the lower ejector pin plate 2.

Referring to fig. 3 and 4, in this embodiment, by pushing the ejector pins 80 by using ejector pins (not shown) on the injection molding machine, in other embodiments, the ejector pins 80 may be assisted by any tool, and the ejector pins 80 may be pushed upwards to simultaneously push the fixed upper ejector plate 3 and the fixed lower ejector plate 2 after being pushed, at this time, the fixed round table 81 is also pushed upwards under the action of the upper ejector plate 3 and the lower ejector plate 2, so that the ejector pins 8 effectively move upwards together, and thus the injection molded impeller 6 is ejected and demolded, with simple structure and reliability. In addition, in order to facilitate the installation of the top column 80, a hanging ring hole 800 is formed at the bottom of the top column 80, so that the use is convenient.

Referring to fig. 3, in this embodiment, in order to ensure that the upper ejector plate 3 and the lower ejector plate 2 are structurally stable during displacement, and reduce the occurrence of shaking, the top of the bottom plate 1 is further fixedly connected with a support column 11 near the ejector pins 8 through screws, the upper ejector plate 3 and the lower ejector plate 2 are both provided with perforations through which the support column 11 passes, and the support column 11 passes through the perforations and is fixedly connected with the rear die cushion plate 4. Therefore, the supporting column 11 effectively plays a supporting and guiding role on the upper ejector pin plate 3 and the lower ejector pin plate 2, the demolding stability of the impeller 6 is improved, and the product quality is high.

Referring to fig. 3, in this embodiment, in order to improve the rotation stability of the rotary insert 71, a fixing slot 40 is further formed on the inner wall of the rear die pad 4 passing through the thimble 8, a fixing bearing 41 is engaged in the fixing slot 40, and the center positioning insert 70 is configured as an inverted T shape, and the balls of the fixing bearing 41 are located on the top end surface. During installation, the top of the fixed bearing 41 is in rolling contact with the bottom of the rotary insert 71, and the bottom of the fixed bearing 41 is in tight contact with the center positioning insert 70, so that the center positioning insert 70 can be further pressed by the fixed bearing 41, the rotation friction between the rotary insert 71 and the center positioning insert 70 can be reduced, and the demolding convenience of the impeller 6 is improved.

The implementation principle of the ejection automatic rotation demoulding structure in the embodiment of the application is as follows: when the impeller 6 is molded, the bottom plate 1 is arranged on the injection molding machine, then injection molding materials are poured into the center positioning insert 70 and the rotating insert 71, after the injection molding machine is molded, the injection molding machine is started again, so that the ejector rod of the injection molding machine pushes the ejector rod 80, the upper ejector plate 3 and the lower ejector plate 2 are pushed to displace, the fixed round table 81 can drive the ejector rod 8 to displace together, the molded impeller 6 is pushed to displace, and finally under the action of the rotating bearing 711, the impeller 6 can drive the rotating insert 71 to rotate along the inclined direction of the blade 60, finally the impeller 6 is automatically demolded in a rotating mode, and the injection molding machine has the advantages of simple structure, convenience in use and high processing quality.

Example 2

Embodiment 2 of the present application discloses a demolding structure capable of ejecting and automatically rotating, refer to fig. 5, and is different from embodiment 1 in that the demolding structure further comprises an auxiliary demolding device 9 detachably connected to the rear mold plate 5, and if the injection molding machine possibly fails in the use process, if the injection molding machine fails in the middle of demolding of the impeller 6, the impeller 6 which does not complete demolding is pulled out of the mold manually, so that the demolding structure is relatively labor-consuming, and when the injection molding machine temporarily fails, the impeller 6 which is demolding is quickly taken out through the auxiliary demolding device 9, and then the injection molding machine is repaired.

The auxiliary demoulding device 9 comprises a bracket 90 symmetrically arranged at two sides of the rear mould plate 5, an electric telescopic rod 91 connected to the bracket 90 and an adsorption piece 92 connected to the output end of the electric telescopic rod 91. During specific installation, the fine positioning on the rear template 5 is disassembled, then the support 90 is vertically connected to the rear template 5 through bolts, then the output axis of the installed electric telescopic rods 91 is vertical to the support 90, the telescopic directions of the two electric telescopic rods 91 are oppositely arranged, then the output end of the electric telescopic rods 91 is connected with a sliding piece 93, the sliding piece 93 is used for driving the absorbing piece 92 to slide along the axis direction of the impeller 6, and the absorbing piece 92 is used for absorbing the impeller 6 to be demoulded. Therefore, when the impeller 6 is demolded to half, the suction attachment 92 is close to the impeller 6 through the electric telescopic rod 91, then the position of the suction attachment 92 is adjusted through the lover, and finally the suction attachment 92 is utilized to perform suction demolding on the impeller 6, so that the abrasion to the impeller is reduced, and the demolding is convenient.

In this embodiment, the sliding member 93 includes a linear motor connected to the output end of the electric telescopic rod 91, and the sliding axis of the linear motor is perpendicular to the axis of the electric telescopic rod 91. The suction piece 92 is fixedly connected with the output end of the linear motor, the suction piece comprises a mounting plate 920 and a plurality of air suction cups 921 fixedly arranged on the mounting plate 920, the mounting plate 920 is in arc-shaped arrangement, the mounting plate 920 is fixedly connected with the output end of the linear motor, the air suction cups 921 are used for sucking the impeller 6, in the embodiment, the suction cups are vacuum suction cups, are communicated with an air source through hoses (not shown in the drawing), the linear motor is used for driving the mounting plate 920 to lift and displace up and down, accordingly, the air suction cups 921 are effectively driven to adjust positions, auxiliary demolding of the impeller 6 is achieved, the structure is reliable, and the use is convenient.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in terms of structure, shape and principle of this application should be covered by the protection scope of this application.

Claims (8)

1. An ejecting autogiration's demoulding structure, its characterized in that: including bottom plate (1), lower thimble board (2), last thimble board (3), back mould backing plate (4) and back template (5) that set gradually from bottom to top, bottom plate (1) are used for being connected with the processing platform that moulds plastics, lower thimble board (2) with go up thimble board (3) fixed connection, back mould backing plate (4) with be located between back template (5) and be equipped with injection molding insert (7) that are used for moulding plastics impeller (6) in the middle part, injection molding insert (7) include center location mold insert (70) and rotate cup joint rotatory mold insert (71) on center location mold insert (70), the bottom of center location mold insert (70) is fixed in on back mould backing plate (4), center location mold insert (70) top upwards extends to in back template (5), rotatory mold insert (71) rotation joint is in back template (5) in, just be equipped with on rotatory mold insert (71) with impeller's blade (60) meshing shaping groove, center location mold insert (70) and back template (3), thimble board (8) are still equipped with between center location mold insert (70) and back template (5), the top of thimble (8) is in butt with injection moulding's impeller (6), be equipped with on bottom plate (1) and be used for the drive thimble (8) upwards slide's driving piece, be equipped with in rear mould board (5) and be used for the drive rotation of rotatory mold insert (71) rotation piece.

2. The ejector self-rotating ejector structure of claim 1, wherein: the rotating piece comprises a limiting round table (710) and a rotating bearing (711), the limiting round table (710) is annularly arranged on the rotating insert (71), the rear template (5) is located on the top and the bottom of the limiting round table (710) and is provided with a rotating groove (50) in a circle, the rotating bearing (711) is fixedly clamped in the rotating groove (50), and the balls of the rotating bearing (711) are respectively abutted to the top and the bottom of the limiting round table (710).

3. The ejector self-rotating ejector structure of claim 1, wherein: the driving piece comprises a jacking column (80) and a fixed round table (81), wherein the upper ejector pin plate (3) penetrates through the inner wall of the ejector pin (8) and is provided with a clamping groove (30) in a surrounding mode, the fixed round table (81) is arranged on the ejector pin (8) in a surrounding mode, the outer ring of the fixed round table (81) is clamped in the clamping groove (30), two clearance grooves (10) are formed in the bottom plate (1) along the axis symmetry, and the jacking column (80) penetrates through the clearance grooves (10) and the lower ejector pin plate (2) are fixedly connected.

4. A knockout auto-rotating knockout structure according to claim 3, characterized in that: the bottom plate (1) is close to the thimble (8) and fixedly connected with a support column (11), the upper thimble plate (3) and the lower thimble plate (2) are provided with perforations through which the support column (11) passes, and the support column (11) passes through the perforations and is fixedly connected with the rear mould backing plate (4).

5. The ejector self-rotating ejector structure of claim 1, wherein: the rear die cushion plate (4) passes through the inner wall of the thimble (8) and is provided with a fixed clamping groove (40), a fixed bearing (41) is clamped in the fixed clamping groove (40), the top of the fixed bearing (41) is in rolling butt joint with the bottom of the rotary insert (71), and the bottom of the fixed bearing (41) is in butt joint with the center positioning insert (70).

6. The ejector self-rotating ejector structure of claim 1, wherein: still including removable connect in auxiliary demoulding device (9) on back template (5), auxiliary demoulding device (9) including the symmetry install in support (90) of back template (5) both sides, connect in electric telescopic handle (91) on support (90) and connect in adsorption piece (92) of electric telescopic handle (91) output, support (90) perpendicular connection in on back template (5), the output axis of electric telescopic handle (91) with support (90) are perpendicular, and two the flexible direction of electric telescopic handle (91) is relative, the output of electric telescopic handle (91) still is equipped with slider (93), slider (93) are used for the drive adsorption piece (92) slide along the axis direction of impeller (6), adsorption piece (92) are used for adsorbing the drawing of patterns of impeller (6).

7. The ejector self-rotating ejector structure of claim 6, wherein: the sliding part (93) comprises a linear motor connected to the output end of the electric telescopic rod (91), the sliding axis of the linear motor is perpendicular to the axis of the electric telescopic rod (91), and the adsorbing part (92) is fixedly connected with the output end of the linear motor.

8. The ejector self-rotating ejector structure of claim 7, wherein: the adsorption piece (92) comprises a mounting plate (920) and a plurality of air sucking discs (921) fixedly arranged on the mounting plate (920), the mounting plate (920) is fixedly connected with the output end of the linear motor, and the air sucking discs (921) are used for adsorbing the impeller (6).