CN109516425A

CN109516425A - A kind of vacuum Cover whirling Machine with the breakage-proof structure of elasticity

Info

Publication number: CN109516425A
Application number: CN201811432181.XA
Authority: CN
Inventors: 吴磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-28
Filing date: 2018-11-28
Publication date: 2019-03-26

Abstract

The invention discloses a kind of vacuum Cover whirling Machines with the breakage-proof structure of elasticity, it is related to vacuum Cover whirling Machine technical field, specially buffering plate, firm banking and base support, buffering plate, it coincides between firm banking and the central axes of base support, spacing collar is provided with above the buffering plate, and fixed screw is mounted on inside the left and right ends of spacing collar, the inside of the firm banking is equipped with built-in pedestal, the built-in pedestal is internally provided with ball, the inside of the base support is equipped with movable axis, the upper end of first hydraulic stem is fixed with link block.This has the vacuum Cover whirling Machine of the breakage-proof structure of elasticity, the service performance of equipment is substantially increased while increasing structure, expand the applicable surface of the equipment significantly by more flexible disassembly and assembly structure, and the glutinous resilient rubbber cushion of its clamping pawl viscous can contact to avoid clamping pawl with the direct of cover outer surface, guarantee the processing quality of cover outer surface.

Description

A kind of vacuum Cover whirling Machine with the breakage-proof structure of elasticity

Technical field

The present invention relates to vacuum Cover whirling Machine technical field, specially a kind of vacuum Cover whirling Machine with the breakage-proof structure of elasticity.

Background technique

Cover whirling Machine is called capsuling machine, capping machine or cover locking machine, is mainly used for plastic bottle, vial；It is semi-automatic desk-top Vacuum Cover whirling Machine belongs to semi-automatic type (artificial with lid, manually to pass in and out bottle), using pneumatic actuation spiral cover, semi-automatic desk-top vacuum Cover whirling Machine realizes moment of torsion control using accurate control executive item air pressure, and the limitation of non-friction type torsion makes that the service life is longer；Due to Using reliable full-sealing technique, configuring small-power vacuum pump can reach ideal vacuum degree, and vacuum degree can be set on demand, and half Automatic desk-top vacuum Cover whirling Machine is economical, broad applicability, ease for use, reliability and mobility, is suitble to small-sized production vehicle Between, special requirement purposes and laboratory use.

Structure is complicated for bottled Cover whirling Machine currently on the market, and the function of cannot be considered in terms of spiral cover function and vacuumize, so One, increase manufacturing cost, it is time-consuming and laborious, therefore a kind of structure is simple and to take into account the Cover whirling Machine of spiral cover and vacuumizing function be mesh The commodity of preceding market in urgent need.

A kind of vacuum Cover whirling Machine disclosed in 206940380 U of Chinese invention patent application prospectus CN, this is true Empty Cover whirling Machine saves manpower although type uses fully automatic working mode, more efficient, knot outside the vacuum Cover whirling Machine Structure is relatively simple, and equipment is more single using function, can not fill in use to the bottle cap of different size specification Folder rotation installation operation, and because mechanical equipment is metal parts mostly, it is easy to the outer surface formation of bottle cap is scratched Disadvantage.

Summary of the invention

In view of the deficiencies of the prior art, it the present invention provides a kind of vacuum Cover whirling Machine with the breakage-proof structure of elasticity, solves External structure mentioned above in the background art is relatively simple, and equipment is more single using function, in use without Method carries out clamping rotation installation operation to the bottle cap of different size specification, and because mechanical equipment is metal parts mostly, holds very much Easily is formed to the outer surface of bottle cap the problem of scratching.

In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of with the breakage-proof structure of elasticity Vacuum Cover whirling Machine, including buffering plate, firm banking and base support, the axis of buffering plate, firm banking and base support It coincides between line, spacing collar is provided with above the buffering plate, and be mounted on inside the left and right ends of spacing collar solid Determine screw, the inside of the firm banking is equipped with built-in pedestal, and firm banking is located at the middle part of spacing collar, the built-in base Seat is internally provided with ball, and attachment base is provided with above built-in pedestal, and the inside of the base support is equipped with activity Axis, and base support is located at the top of attachment base, and support column, and the inside left of support column are connected with above the movable axis It is fixed with the first hydraulic stem, the upper end of first hydraulic stem is fixed with link block.

Optionally, the interior lower end of the buffering plate is provided with lower layer's pedestal, and the upper end of lower layer's pedestal is built-in with again Rubber layer is closed, is provided with pressure-bearing spring at left and right sides of the composite rubber layer, and be provided with pressure-bearing above pressure-bearing spring , upper layer pedestal is provided with above the composite rubber layer.

Optionally, between the rear surface of the composite rubber layer and the interior surface of lower layer's pedestal and composite rubber layer Upper end face and upper layer pedestal rear surface between fit closely, and the upper end of upper layer pedestal is by pressure-bearing spring and holding Cooperation between wedge is connected with lower layer's pedestal, and upper layer pedestal constitutes elastic construction by pressure-bearing spring.

Optionally, the lower surface of the base support is connected by attachment base with the upper surface of built-in pedestal, and pedestal Bracket constitutes rotational structure by cooperation between built-in pedestal and ball, and movable axis level is through in base support Portion.

Optionally, it is respectively arranged with connection bolt and cantilever above the support column, and connects bolt and is located at cantilever Inside is connected with lever arm on the right side of second hydraulic stem, and the second hydraulic stem is located at the lower right-hand side of cantilever, the activity The lower end of arm is provided with mounting rack, and positioning pin is equipped with inside the right end of mounting rack.

Optionally, the upper end of the support column is connected by connection bolt with the left end of cantilever, and under the left end of cantilever Side is connected by link block with the upper end of the first hydraulic stem, and between the central axes of cantilever and the central axes of the second hydraulic stem It is parallel to each other, while support column and cantilever and lever arm pass through the first hydraulic stem respectively and the second hydraulic stem constitutes lever knot Structure.

Optionally, the lower end of the mounting rack is internally provided with electric rotation shaft, and the center outer surface setting of electric rotation shaft There is retainer plate, the surrounding of the retainer plate, which is equally spaced, support arm, and support arm is welded with outsourcing far from one end of retainer plate It encloses, the parallel beneath of the support arm is provided with telescopic rod, and telescopic rod is welded with threaded rod close to one end of outer encirclement.

Optionally, arc diameter is identical as arc diameter inside the lower end of mounting rack outside the upper end of the electric rotation shaft, And be connected by positioning pin between electric rotation shaft and mounting rack and between electric rotation shaft and retainer plate, and retainer plate with It is concentric circles between outer encirclement.

Optionally, it is respectively fixed with locking nut and control panel in the middle part of the threaded rod, and locking nut is located at The left and right sides of control panel is provided with clamping pawl below the control panel, and the viscous of clamping pawl sticks flexible rubber pad.

Optionally, the central axes of the threaded rod are perpendicular to the central axes of outer encirclement, and threaded rod is through locking nut With the inside of control panel, and the vertical center line between locking nut about control panel is symmetrical, while clamping pawl is with arc-shaped It is fixedly connected between structural body and the lower end of control panel.

The present invention provides a kind of vacuum Cover whirling Machine with the breakage-proof structure of elasticity, have it is following the utility model has the advantages that

1, the vacuum Cover whirling Machine with the breakage-proof structure of elasticity, passes through buffering plate, lower layer's pedestal, composite rubber layer, pressure-bearing bullet The setting of spring, Pressure Block and upper layer pedestal, can be to avoid the direct of upper layer pedestal and lower layer base interior by composite rubber layer Contact reduces abrasion between the two in use process, and by the setting of pressure-bearing spring and Pressure Block and to upper layer base The elastic construction that seat is constituted can form the slow vibration effect of globality to the operating mechanism above buffering plate.

2, the vacuum Cover whirling Machine with the breakage-proof structure of elasticity, by built-in pedestal, ball, attachment base, base support and The horizontal rotation ability of whole device may be implemented by the rotational structure that built-in pedestal and ball are constituted for movable axis, thus full The horizontal freedom degree of sufficient manipulator, and movable axis can keep being stably connected between manipulator and understructure.

3, the vacuum Cover whirling Machine with the breakage-proof structure of elasticity may be implemented between support column and cantilever by connecting bolt Connection, rotation process, and the second hydraulic stem be provided with can the angle to lever arm carry out control operation, to increase activity The flexibility of arm and entire mechanical arm, and the second hydraulic stem will not generate collision in use and be contacted with cantilever, The mounting rack and positioning pin of lever arm lower end can install the screw cap structure of different size simultaneously, to increase the suitable of the device Use face.

4, the vacuum Cover whirling Machine with the breakage-proof structure of elasticity, can form the screw cap structure of lower section by electric rotation shaft Power output can effectively drive retainer plate and a series of structure synchronizations to rotate, and between retainer plate and electric rotation shaft Connection type operate relatively simple convenience, can be replaced at any time, and retainer plate passes through support arm and outer encirclement Connection can form concentricity between the two, keep the stability in rotary course, avoiding the occurrence of unidirectional centrifugal force causes The fracture of electric rotation shaft, while control operation can be carried out to threaded rod by telescopic rod.

5, the vacuum Cover whirling Machine with the breakage-proof structure of elasticity, can by the threaded connection between locking nut and threaded rod Operation is adjusted with the horizontal position to control panel, to keep the rotation center of the control panel of the left and right sides and outer encirclement Center line coincides, and operation can also be adjusted according to the of different sizes of lid, can be pressed from both sides to lid by clamping pawl It fastens, and the resilient rubbber cushion that its clamping pawl viscous sticks can contact to avoid clamping pawl with the direct of cover outer surface, Guarantee the processing quality of cover outer surface.

Detailed description of the invention

Fig. 1 is main view half section structure diagram of the present invention；

Fig. 2 is the local complete section enlarged structure schematic diagram of the present invention；

Fig. 3, which is that the present invention is outer, surrounds local overlooking structural schematic diagram；

Fig. 4 is clamping mechanism enlarged structure schematic diagram of the present invention；

Fig. 5 is partial enlargement structural representation at A of the present invention.

In figure: 1, buffering plate；101, lower layer's pedestal；102, composite rubber layer；103, pressure-bearing spring；104, Pressure Block； 105, upper layer pedestal；2, spacing collar；3, fixed screw；4, firm banking；5, built-in pedestal；6, ball；7, attachment base；8, pedestal Bracket；9, movable axis；10, support column；11, the first hydraulic stem；12, link block；13, bolt is connected；14, cantilever；15, the second liquid Compression bar；16, lever arm；17, mounting rack；18, positioning pin；19, electric rotation shaft；20, retainer plate；21, support arm；22, outer encirclement； 23, telescopic rod；24, threaded rod；25, locking nut；26, control panel；27, clamping pawl；28, resilient rubbber cushion.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.

In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more；Term " on ", The orientation or positional relationship of the instructions such as "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair Limitation of the invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or Imply relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine Tool connection, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.

Fig. 1 to Fig. 5 is please referred to, the present invention provides a kind of technical solution: a kind of vacuum spiral cover with the breakage-proof structure of elasticity Machine, including buffering plate 1, firm banking 4 and base support 8, the central axes of buffering plate 1, firm banking 4 and base support 8 Between coincide, the top of buffering plate 1 is provided with spacing collar 2, and fixed spiral shell is mounted on inside the left and right ends of spacing collar 2 Silk 3, the interior lower end of buffering plate 1 is provided with lower layer's pedestal 101, and the upper end of lower layer's pedestal 101 is built-in with composite rubber layer 102, the left and right sides of composite rubber layer 102 is provided with pressure-bearing spring 103, and the top of pressure-bearing spring 103 is provided with pressure-bearing Seat 104, the top of composite rubber layer 102 are provided with upper layer pedestal 105, the rear surface and lower layer's pedestal of composite rubber layer 102 It is close between 101 interior surface and between the upper end face of composite rubber layer 102 and the rear surface of upper layer pedestal 105 Fitting, and the upper end of upper layer pedestal 105 is connected by cooperation between pressure-bearing spring 103 and Pressure Block 104 with lower layer pedestal 101 It connecing, and upper layer pedestal 105 constitutes elastic construction by pressure-bearing spring 103, this has the vacuum Cover whirling Machine of the breakage-proof structure of elasticity, Pass through buffering plate 1, lower layer's pedestal 101, composite rubber layer 102, pressure-bearing spring 103, Pressure Block 104 and upper layer pedestal 105 Setting, by composite rubber layer 102 can directly contacting to avoid upper layer pedestal 105 and 101 inside of lower layer pedestal, reduction use Abrasion between the two in the process, and by the setting of pressure-bearing spring 103 and Pressure Block 104 and to 105 structure of upper layer pedestal At elastic construction, the slow vibration effect of globality can be formed to the operating mechanism of the top of buffering plate 1；

The inside of firm banking 4 is equipped with built-in pedestal 5, and firm banking 4 is located at the middle part of spacing collar 2, built-in pedestal 5 it is interior Portion is provided with ball 6, and the top of built-in pedestal 5 is provided with attachment base 7, and the inside of base support 8 is equipped with movable axis 9, and Base support 8 is located at the top of attachment base 7, and the lower surface of base support 8 passes through the upper surface phase of attachment base 7 and built-in pedestal 5 Connection, and base support 8 constitutes rotational structure by the cooperation between built-in pedestal 5 and ball 6, and 9 level of movable axis is passed through It is through at the inside of base support 8, this has the vacuum Cover whirling Machine of the breakage-proof structure of elasticity, passes through built-in pedestal 5, ball 6, attachment base 7, the level of whole device may be implemented by the rotational structure that built-in pedestal 5 and ball 6 are constituted for base support 8 and movable axis 9 Rotatory power, to meet the horizontal freedom degree of manipulator, and movable axis 9 can be kept between manipulator and understructure It being stably connected with, the top of movable axis 9 is connected with support column 10, and the inside left of support column 10 is fixed with the first hydraulic stem 11, The upper end of first hydraulic stem 11 is fixed with link block 12；

The top of support column 10 is respectively arranged with connection bolt 13 and cantilever 14, and connects the inside that bolt 13 is located at cantilever 14, The right side of second hydraulic stem 15 is connected with lever arm 16, and the second hydraulic stem 15 is located at the lower right-hand side of cantilever 14, lever arm 16 Lower end be provided with mounting rack 17, and positioning pin 18 is installed inside the right end of mounting rack 17, the upper end of support column 10 passes through company Connecting bolt 13 is connected with the left end of cantilever 14, and passes through the upper of link block 12 and the first hydraulic stem 11 below the left end of cantilever 14 End is connected, and is parallel to each other between the central axes of cantilever 14 and the central axes of the second hydraulic stem 15, while 10 He of support column Cantilever 14 and lever arm 16 constitute lever construction by the first hydraulic stem 11 and the second hydraulic stem 15 respectively, this has elasticity anti- Connection between support column 10 and cantilever 14, rotation process may be implemented by connecting bolt 13 in the vacuum Cover whirling Machine of broken structure, And the second hydraulic stem 15 be provided with can the angle to lever arm 16 carry out control operation, to increase lever arm 16 and entire The flexibility of mechanical arm, and the second hydraulic stem 15 will not generate collision in use and be contacted with cantilever 14, it is living simultaneously The mounting rack 17 and positioning pin 18 of 16 lower end of swing arm can install the screw cap structure of different size, to increase the suitable of the device Use face；

The lower end of mounting rack 17 is internally provided with electric rotation shaft 19, and the center outer surface of electric rotation shaft 19 is provided with retainer plate 20, the surrounding of retainer plate 20, which is equally spaced, support arm 21, and support arm 21 is welded with outer encirclement far from one end of retainer plate 20 22, the parallel beneath of support arm 21 is provided with telescopic rod 23, and telescopic rod 23 is welded with threaded rod close to one end of outer encirclement 22 24, the upper end outside arc diameter of electric rotation shaft 19 is identical as arc diameter inside the lower end of mounting rack 17, and electric rotation shaft 19 Be connected by positioning pin 18 between mounting rack 17 and between electric rotation shaft 19 and retainer plate 20, and retainer plate 20 with Outer surround is concentric circles between 22, this has the vacuum Cover whirling Machine of the breakage-proof structure of elasticity, can be to lower section by electric rotation shaft 19 Screw cap structure form power output, can effectively drive retainer plate 20 and a series of structure synchronizations to rotate, and fixed Connection type between circle 20 and electric rotation shaft 19 operates relatively simple convenience, can be replaced at any time, and retainer plate 20 can form concentricity between the two by the connection of support arm 21 and outer encirclement 22, keep the stabilization in rotary course Property, avoiding the occurrence of unidirectional centrifugal force leads to the fracture of electric rotation shaft 19, at the same can by telescopic rod 23 to threaded rod 24 into Row control operation；

The middle part of threaded rod 24 is respectively fixed with locking nut 25 and control panel 26, and locking nut 25 is located at control panel 26 The left and right sides, the lower section of control panel 26 is provided with clamping pawl 27, and the viscous of clamping pawl 27 sticks flexible rubber pad 28, spiral shell The central axes of rasp bar 24 perpendicular to it is outer surround 22 central axes, and threaded rod 24 is through in locking nut 25 and control panel 26 Portion, and the vertical center line between locking nut 25 about control panel 26 is symmetrical, while clamping pawl 27 is with convex structure body Be fixedly connected between the lower end of control panel 26, this has the vacuum Cover whirling Machine of the breakage-proof structure of elasticity, by locking nut 25 with Operation can be adjusted to the horizontal position of control panel 26 in threaded connection between threaded rod 24, to keep the left and right sides The rotation center of control panel 26 and the center line of outer encirclement 22 coincide, and behaviour can also be adjusted according to the of different sizes of lid Make, fixation can be clamped to lid by clamping pawl 27, and the resilient rubbber cushion 28 that its 27 viscous of clamping pawl sticks can It is contacted to avoid clamping pawl 27 with the direct of cover outer surface, guarantees the processing quality of cover outer surface.

In conclusion this has the vacuum Cover whirling Machine of the breakage-proof structure of elasticity, in use, existing according to the needs of users first The retainer plate 20 and clamping structure of corresponding specification are installed in the lower end of electric rotation shaft 19, between retainer plate 20 and electric rotation shaft 19 Connection type operate relatively simple convenience, can be replaced at any time, and retainer plate 20 passes through support arm 21 and outsourcing Concentricity between the two can be formed by enclosing 22 connection, kept the stability in rotary course, avoided the occurrence of unidirectional centrifugation Power leads to the fracture of electric rotation shaft 19, while can carry out control operation to threaded rod 24 by telescopic rod 23, after the completion of adjusting The device can be used to carry out spiral cover operation, may be implemented entirely to fill by the rotational structure that built-in pedestal 5 and ball 6 are constituted The horizontal rotation ability set carries out the angle in level by built-in pedestal 5 when use to meet the horizontal freedom degree of manipulator Degree is adjusted, and operation the tilt angle of entire top manipulator can be adjusted in movable axis 9, pass through the first hydraulic stem 11 It is flexible, while lever construction is constituted by connection bolt 13 using the upper end of cantilever 14 and support column 10, the rotation of cantilever 14 is transported Dynamic to be controlled, similarly the second hydraulic stem 15 can also carry out control behaviour by rotational steps of the link block 12 to lever arm 16 Make, while being controlled using horizontal position of the telescopic rod 23 to control panel 26 and clamping pawl 27, until resilient rubbber cushion 28 with The outer surface of bottle cap is in contact, the glutinous resilient rubbber cushion 28 of 27 viscous of clamping pawl can be to avoid clamping pawl 27 and lid outside The direct contact on surface, guarantees the processing quality of cover outer surface, and starting electric rotation shaft 19 drives retainer plate 20 and outer encirclement 22 Synchronous rotary, to drive the rotation process of bottle cap.

The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims

1. a kind of vacuum Cover whirling Machine with the breakage-proof structure of elasticity, including buffering plate (1), firm banking (4) and base support (8), it coincides between buffering plate (1), firm banking (4) and the central axes of base support (8), it is characterised in that: described slow It rushes above pedestal (1) and is provided with spacing collar (2), and be mounted on fixed screw (3) inside the left and right ends of spacing collar (2), The inside of the firm banking (4) is equipped with built-in pedestal (5), and firm banking (4) is located at the middle part of spacing collar (2), described Built-in pedestal (5) is internally provided with ball (6), and attachment base (7) are provided with above built-in pedestal (5), the pedestal branch The inside of frame (8) is equipped with movable axis (9), and base support (8) is located at the top of attachment base (7), the movable axis (9) it is upper Side is connected with support column (10), and the inside left of support column (10) is fixed with the first hydraulic stem (11), first hydraulic stem (11) upper end is fixed with link block (12).

2. a kind of vacuum Cover whirling Machine with the breakage-proof structure of elasticity according to claim 1, it is characterised in that: the buffering The interior lower end of pedestal (1) is provided with lower layer's pedestal (101), and the upper end of lower layer's pedestal (101) is built-in with composite rubber layer (102), it is provided with pressure-bearing spring (103) at left and right sides of the composite rubber layer (102), and pressure-bearing spring (103) is upper Side is provided with Pressure Block (104), is provided with upper layer pedestal (105) above the composite rubber layer (102).

3. a kind of vacuum Cover whirling Machine with the breakage-proof structure of elasticity according to claim 2, it is characterised in that: described compound Between the rear surface of rubber layer (102) and the interior surface of lower layer's pedestal (101) and the upper end table of composite rubber layer (102) It is fitted closely between face and the rear surface of upper layer pedestal (105), and the upper end of upper layer pedestal (105) passes through pressure-bearing spring (103) cooperation between Pressure Block (104) is connected with lower layer's pedestal (101), and upper layer pedestal (105) passes through pressure-bearing bullet Spring (103) constitutes elastic construction.

4. a kind of vacuum Cover whirling Machine with the breakage-proof structure of elasticity according to claim 1, it is characterised in that: the pedestal The lower surface of bracket (8) is connected by attachment base (7) with the upper surface of built-in pedestal (5), and base support (8) is built in Cooperation between pedestal (5) and ball (6) constitutes rotational structure, and movable axis (9) is horizontal through the interior of base support (8) Portion.

5. a kind of vacuum Cover whirling Machine with the breakage-proof structure of elasticity according to claim 1, it is characterised in that: the support It is respectively arranged with connection bolt (13) and cantilever (14) above column (10), and connects bolt (13) and is located at the interior of cantilever (14) Portion is connected with lever arm (16) on the right side of second hydraulic stem (15), and the second hydraulic stem (15) is located at the right side of cantilever (14) The lower end of side-lower, the lever arm (16) is provided with mounting rack (17), and is equipped with positioning inside the right end of mounting rack (17) It sells (18).

6. a kind of vacuum Cover whirling Machine with the breakage-proof structure of elasticity according to claim 5, it is characterised in that: the support The upper end of column (10) is connected by connection bolt (13) with the left end of cantilever (14), and passes through company below the left end of cantilever (14) It connects block (12) to be connected with the upper end of the first hydraulic stem (11), and in the central axes of cantilever (14) and the second hydraulic stem (15) It is parallel to each other between axis, while support column (10) and cantilever (14) and lever arm (16) pass through the first hydraulic stem (11) respectively Lever construction is constituted with the second hydraulic stem (15).

7. a kind of vacuum Cover whirling Machine with the breakage-proof structure of elasticity according to claim 5, it is characterised in that: the installation The lower end of frame (17) is internally provided with electric rotation shaft (19), and the center outer surface of electric rotation shaft (19) is provided with retainer plate (20), the surrounding of the retainer plate (20) is equally spaced and has support arm (21), and the one of support arm (21) separate retainer plate (20) End is welded with outer encirclement (22), and the parallel beneath of the support arm (21) is provided with telescopic rod (23), and telescopic rod (23) is close Outer one end for surrounding (22) is welded with threaded rod (24).

8. a kind of vacuum Cover whirling Machine with the breakage-proof structure of elasticity according to claim 7, it is characterised in that: described electronic Arc diameter is identical as arc diameter inside the lower end of mounting rack (17) outside the upper end of shaft (19), and electric rotation shaft (19) and It is connected by positioning pin (18) between mounting rack (17) and between electric rotation shaft (19) and retainer plate (20), and fixed Enclosing is concentric circles between (20) and outer encirclement (22).

9. a kind of vacuum Cover whirling Machine with the breakage-proof structure of elasticity according to claim 7, it is characterised in that: the screw thread Locking nut (25) and control panel (26) are respectively fixed in the middle part of bar (24), and locking nut (25) is located at control panel (26) the left and right sides is provided with clamping pawl (27) below the control panel (26), and the viscous of clamping pawl (27) glutinous has Resilient rubbber cushion (28).

10. a kind of vacuum Cover whirling Machine with the breakage-proof structure of elasticity according to claim 9, it is characterised in that: the spiral shell The central axes of rasp bar (24) are perpendicular to the outer central axes for surrounding (22), and threaded rod (24) through locking nut (25) and controls The inside of plate (26), and the vertical center line between locking nut (25) about control panel (26) is symmetrical, while clamping pawl (27) to be fixedly connected between convex structure body and the lower end of control panel (26).