CN211243409U - Mechanical equipment of dual-core-pixel multifunctional mammary gland imaging system - Google Patents

Abstract

The utility model provides a mechanical device of a dual-core multifunctional mammary gland imaging system, which comprises a bottom plate, a vertical plate, an adjusting long hole, a top plate, a bearing, a lifting screw, a speed reducer, a working motor, a limiting rod, a side guard plate, a movable seat, an assembling plate, a protection box, a PLC, a switch, a shifting cylinder, a left and right adjusting seat structure and an auxiliary supporting cylinder structure, wherein the vertical plate is welded at the middle part of the upper surface of the bottom plate; the adjusting long hole is formed in the left side of the inner part of the vertical plate; the top plate is welded on the upper part of the right surface of the vertical plate; the bearings are respectively embedded on the left side of the lower surface of the top plate and the middle right side of the upper surface of the bottom plate; the lifting screw rod is inserted into the bearing, and the upper end of the lifting screw rod is connected with the lower key of the speed reducer. The utility model has the advantages that: through the setting of controlling the seat structure, after starting this activity cylinder, can make detector module remove about to different positions department and use, and then be applicable to the not patient of equidimension of size.

Description

Mechanical equipment of dual-core-pixel multifunctional mammary gland imaging system

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a mechanical equipment of multi-functional mammary gland imaging system of dual-core pixel.

Background

By virtue of its outstanding advantages in early diagnosis of tumors, nuclear medicine imaging devices are becoming irreplaceable devices in the relevant medical field, the device can detect tumors in advance, early stage micro tumors, check at multiple angles, meet the detection requirements of female patients with different heights, perform multi-axis motion, rotate at multiple angles, directly influence the diagnosis effect of the nuclear imaging device and the positioning precision of the tumors due to the motion reliability, thereby affecting the diagnosis of the illness state of the patient by a doctor, the dual-pixel multifunctional mammary gland imaging system can scan the whole area of the mammary gland according to the requirements of different patients, improving the early detection and accurate positioning of the tiny tumor, the prior popular multiaxial motion and multi-angle nuclear imaging equipment of the mammary gland, the lifting mechanism has an electric telescopic rod lifting mode, a belt lifting mode and a gear and rack lifting mode, and in general terms; the lifting mode of the electric telescopic rod is characterized in that a main structure adopts a standard component, so that a motor rod is telescopic, and the technical scheme adopted by mechanical equipment of a dual-core multifunctional mammary gland imaging system with the prior art as CN201621112339.1 is as follows: comprises a vertical mechanism, a rotating mechanism and an opening and closing mechanism; the vertical mechanism is provided with the rotating mechanism and is used for controlling the rotating mechanism to move up and down, and the rotating mechanism is provided with the opening and closing mechanism and is used for controlling the opening and closing mechanism to rotate; the opening and closing mechanism is used for controlling the opening and closing of the detector module in the dual-nuclide multifunctional mammary gland imaging system, and has the advantages of stable movement, simple structure, high positioning precision and low noise of the whole equipment.

However, the mechanical equipment of the existing breast imaging system also has the problems of inconvenient left-right movement adjustment work, poor moving structural stability effect and inconvenient auxiliary supporting circuit function.

Therefore, it is necessary to invent a mechanical device of dual-core multifunctional breast imaging system.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a mechanical equipment of multi-functional mammary gland imaging system of dual-core pixel to the mechanical equipment who solves current mammary gland imaging system is inconvenient moves the problem that the stable in structure effect of the work of removal regulation, removal is relatively poor and inconvenient auxiliary stay circuit function. The mechanical equipment of the dual-core multifunctional mammary gland imaging system comprises a bottom plate, a vertical plate, an adjusting long hole, a top plate, a bearing, a lifting screw, a speed reducer, a working motor, a limiting rod, a side protection plate, a movable seat, an assembling plate, a protection box, a PLC (programmable logic controller), a switch, a shifting cylinder, a left adjusting seat structure, a right adjusting seat structure and an auxiliary supporting cylinder structure, wherein the vertical plate is welded in the middle of the upper surface of the bottom plate; the adjusting long hole is formed in the left side of the inner part of the vertical plate; the top plate is welded on the upper part of the right surface of the vertical plate; the bearings are respectively embedded on the left side of the lower surface of the top plate and the middle right side of the upper surface of the bottom plate; the lifting screw is inserted into the bearing, and the upper end of the lifting screw is connected with the lower key of the speed reducer; the reducer bolt is arranged on the upper surface of the top plate; the working motor is arranged on the right side of the speed reducer through a bolt, and an output shaft is connected with the speed reducer through a key; the limiting rod is welded on the right side between the bottom plate and the top plate; the side guard plates are respectively welded on the front side and the rear side of the top plate and the bottom plate; the movable seat penetrates through the adjusting long hole and is respectively connected with the lifting screw in a threaded manner and sleeved on the limiting rod; the assembling plate is welded at the left end of the movable seat; the protection box is welded on the right side of the upper surface of the bottom plate and is arranged on the right side of the limiting rod; the PLC bolt is arranged in the protection box; the switch is embedded on the right surface of the protection box; the shifting cylinder bolt is arranged on the left side surface of the assembling plate; the left and right adjusting seat structure is arranged on the left side of the shifting cylinder; the auxiliary supporting cylinder structure is arranged at the left upper part of the assembling plate; the left and right adjusting seat structure comprises a first connecting plate, a second connecting plate, a movable air cylinder, a reinforcing plate, a detector module and an auxiliary reinforcing plate frame structure, wherein the second connecting plate is respectively installed on the front side and the rear side of the right surface of the first connecting plate through bolts, and the right side of the second connecting plate is respectively installed on the left side of the shifting air cylinder through bolts; the movable cylinder bolt is arranged on the left side surface of the first connecting plate; the auxiliary reinforcing plate frame structure is arranged inside the second connecting plate.

Preferably, the auxiliary reinforcing plate frame structure comprises a long box, a box hole, an inserting rod, a limiting disc, a rectangular plate and a protective pad, wherein the long box is embedded in the lower side of the inside of the second connecting plate; the box hole is formed in the long box; the inserting rod is inserted into the box hole; the limiting disc is welded at the rear part of the insertion rod; the rectangular plate is welded at the front end of the insertion rod; the protective pad is glued on the front surface of the rectangular plate.

Preferably, the auxiliary supporting cylinder structure comprises a transverse plate, an adjusting sheet, an adjusting screw, a reinforcing nut, a rotating cylinder, a cylinder cavity and a supporting wheel, wherein the transverse plate is welded on the upper part of the left side surface of the assembling plate; the adjusting sheet is welded at the left end of the transverse plate; the adjusting screw rods are respectively welded at the front part and the rear part of the rotary cylinder and inserted into the adjusting sheets; the reinforcing nut is in threaded connection with the outer wall of the adjusting screw rod; the cylinder cavity is arranged in the rotary cylinder; the supporting wheels are respectively welded at the upper part and the lower part on the right side of the inner wall of the cylinder cavity.

Preferably, the number of the second connecting plates on the right side of the first connecting plate is two, and the first connecting plate and the second connecting plate are assembled into a U shape.

Preferably, the output shaft of the movable cylinder is embedded with a reinforcing plate, and the right surface of the reinforcing plate is connected with the detector module through a bolt.

Preferably, the long box and the box hole are respectively arranged at the front side and the rear side of the detector module.

Preferably, the penetrating rod and the limiting disc are assembled in a T shape, and the penetrating rod is inserted into the box hole.

Preferably, the protective pad on the inner wall of the rectangular plate is a rubber pad, and the rectangular plate is connected with the detector module.

Preferably, two supporting wheels are arranged inside the barrel cavity.

Preferably, the barrel cavity is arranged inside the rotary barrel.

Preferably, the reinforcing nut on the outer wall of the adjusting screw rod is in contact with the adjusting sheet.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, the second connecting plate on first connecting plate right side be provided with two, first connecting plate and the equipment of second connecting plate be the U type, be convenient for make first connecting plate and second connecting plate assemble and fix and use.

2. The utility model discloses in, activity cylinder output shaft inlay and have the gusset plate, and the right surface and the detector module bolted connection of gusset plate, after starting this activity cylinder, can make and remove the position department that moves to the difference and use about the detector module, and then be applicable to the not patient of size of physique.

3. The utility model discloses in, long box and box hole set up both sides around the detector module respectively, be convenient for supplementary this alternate pole, restriction dish and rectangular plate support and use, and when the rectangular plate was connected with the detector module, increased the stability of detector module.

4. The utility model discloses in, interlude pole and restriction dish equipment be the T type, and the pole that alternates inserts in the box hole, in the use, be convenient for cooperate the detector module to remove, also reasonable use simultaneously.

5. The utility model discloses in, the rectangular plate inner wall on the protection pad adopt the rubber pad, the rectangular plate be connected with the detector module, also can protect the junction simultaneously.

6. The utility model discloses in, the supporting wheel of section of thick bamboo intracavity portion be provided with two, can support the circuit on this detector module, aversion cylinder and the activity cylinder thereupon, and then increased the functionality.

7. The utility model discloses in, the section of thick bamboo chamber set up in the inside of a rotatory section of thick bamboo, when alternating the circuit, can protect thereupon and use.

8. The utility model discloses in, adjusting screw outer wall on reinforcement nut and the contact of adjustment sheet, after will revolving the rotary drum and rotate suitable angle, screw up this reinforcement nut and can fix, and be convenient for adjust the angle of slope and use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the left and right adjusting seat structure of the present invention.

Fig. 3 is the utility model discloses an auxiliary reinforcement grillage structure's schematic structure diagram.

Fig. 4 is a schematic structural diagram of the auxiliary supporting cylinder structure of the present invention.

Fig. 5 is a schematic diagram of the electrical connection of the present invention.

In the figure:

1. a base plate; 2. a vertical plate; 3. adjusting the long hole; 4. a top plate; 5. a bearing; 6. a lifting screw; 7. a speed reducer; 8. a working motor; 9. a limiting rod; 10. a side guard plate; 11. a movable seat; 12. assembling a plate; 13. a protection box; 14. a PLC; 15. a switch; 16. a displacement cylinder; 17. a left and right adjusting seat structure; 171. a first connecting plate; 172. a second connecting plate; 173. a movable cylinder; 174. a reinforcing plate; 175. a detector module; 176. an auxiliary reinforcing plate frame structure; 1761. a long box; 1762. a box hole; 1763. inserting the rod; 1764. a confinement plate; 1765. a rectangular plate; 1766. a protective pad; 18. an auxiliary support cylinder structure; 181. a transverse plate; 182. a regulating sheet; 183. adjusting the screw rod; 184. reinforcing the nut; 185. a rotary drum; 186. a barrel cavity; 187. and supporting the wheels.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in fig. 1 and fig. 2, a mechanical device of a dual-pixel multifunctional breast imaging system comprises a bottom plate 1, a vertical plate 2, an adjusting long hole 3, a top plate 4, a bearing 5, a lifting screw 6, a speed reducer 7, a working motor 8, a limiting rod 9, a side guard plate 10, a movable seat 11, an assembly plate 12, a protection box 13, a PLC14, a switch 15, a shifting cylinder 16, a left-right adjusting seat structure 17 and an auxiliary supporting cylinder structure 18, wherein the vertical plate 2 is welded in the middle of the upper surface of the bottom plate 1; the adjusting long hole 3 is formed in the left side inside the vertical plate 2; the top plate 4 is welded on the upper part of the right surface of the vertical plate 2; the bearings 5 are respectively embedded on the left side of the lower surface of the top plate 4 and the middle right side of the upper surface of the bottom plate 1; the lifting screw 6 is inserted into the bearing 5, and the upper end of the lifting screw is connected with the lower key of the speed reducer 7; the speed reducer 7 is mounted on the upper surface of the top plate 4 through bolts; the working motor 8 is arranged on the right side of the speed reducer 7 through a bolt, and an output shaft is in key connection with the speed reducer 7; the limiting rod 9 is welded on the right side between the bottom plate 1 and the top plate 4; the side guard plates 10 are respectively welded on the front side and the rear side of the top plate 4 and the bottom plate 1; the movable seat 11 passes through the adjusting long hole 3 and is respectively connected with the lifting screw 6 in a threaded manner and sleeved on the limiting rod 9; the assembling plate 12 is welded at the left end of the movable seat 11; the protection box 13 is welded on the right side of the upper surface of the bottom plate 1 and is arranged on the right side of the limiting rod 9; the PLC14 bolt is installed inside the protection box 13; the switch 15 is embedded on the right surface of the protection box 13; the shifting cylinder 16 is mounted on the left side surface of the assembling plate 12 through bolts; the left-right adjusting seat structure 17 is arranged on the left side of the shifting cylinder 16; the auxiliary supporting cylinder structure 18 is arranged at the upper left part of the assembling plate 12; the left-right adjusting seat structure 17 comprises a first connecting plate 171, a second connecting plate 172, a movable air cylinder 173, a reinforcing plate 174, a detector module 175 and an auxiliary reinforcing plate frame structure 176, wherein the second connecting plate 172 is respectively bolted on the front side and the rear side of the right surface of the first connecting plate 171, and the right side of the second connecting plate 172 is respectively bolted on the left side of the shifting air cylinder 16; the movable cylinder 173 is mounted on the left side of the first connecting plate 171 through bolts; the auxiliary reinforcing plate frame structure 176 is mounted inside the second connecting plate 172.

As shown in fig. 3, in the above embodiment, in particular, the auxiliary reinforcing plate frame structure 176 includes a long box 1761, a box hole 1762, an inserting rod 1763, a limiting plate 1764, a rectangular plate 1765 and a protection pad 1766, and the long box 1761 is embedded in the lower side of the inside of the second connecting plate 172; the box hole 1762 is arranged inside the long box 1761; the inserting rod 1763 is inserted into the box hole 1762; the limiting disc 1764 is welded at the rear part of the penetrating rod 1763; the rectangular plate 1765 is welded at the front end of the penetrating rod 1763; the protective pad 1766 is glued to the front surface of the rectangular plate 1765.

As shown in fig. 4, in the above embodiment, specifically, the auxiliary supporting cylinder structure 18 includes a transverse plate 181, an adjusting plate 182, an adjusting screw 183, a reinforcing nut 184, a rotary cylinder 185, a cylinder cavity 186 and a supporting wheel 187, wherein the transverse plate 181 is welded on the upper portion of the left side surface of the assembling plate 12; the adjusting sheet 182 is welded at the left end of the transverse plate 181; the adjusting screws 183 are respectively welded at the front and rear parts of the rotary cylinder 185 and inserted into the adjusting sheet 182; the reinforcing nut 184 is in threaded connection with the outer wall of the adjusting screw 183; the cylinder cavity 186 is arranged inside the rotary cylinder 185; the support wheels 187 are welded to the upper and lower portions of the right side of the inner wall of the cylinder chamber 186, respectively.

In the above embodiment, specifically, two second connecting plates 172 are provided on the right side of the first connecting plate 171, and the first connecting plate 171 and the second connecting plate 172 are assembled into a U shape, so that the first connecting plate 171 and the second connecting plate 172 can be conveniently assembled and fixed for use.

In the above embodiment, specifically, the output shaft of the movable cylinder 173 is embedded with the reinforcing plate 174, and the right surface of the reinforcing plate 174 is connected with the detector module 175 by a bolt, so that after the movable cylinder 173 is started, the detector module 175 can be moved to different positions for use, and thus the detector module is suitable for patients with different sizes.

In the above embodiment, specifically, the long box 1761 and the box holes 1762 are respectively disposed at the front side and the rear side of the detector module 175, so as to facilitate the insertion rod 1763, the limiting disc 1764 and the rectangular plate 1765 to support and use, and when the rectangular plate 1765 is connected with the detector module 175, the stability of the detector module 175 is increased.

In the above embodiment, the inserting rod 1763 and the limiting plate 1764 are assembled in a T shape, and the inserting rod 1763 is inserted into the box hole 1762, so that the inserting rod 1763 is convenient to move in cooperation with the detector module 175 during use, and is reasonably used.

In the above embodiment, the protection pad 1766 on the inner wall of the rectangular plate 1765 is a rubber pad, and the rectangular plate 1765 is connected to the detector module 175 and can protect the connection.

In the above embodiment, in particular, two support wheels 187 are provided inside the cylinder chamber 186, which can support the detector module 175, the circuit on the displacement cylinder 16 and the movable cylinder 173, thereby increasing the functionality.

In the above embodiment, specifically, the cylinder cavity 186 is formed inside the rotary cylinder 185, and can be used while inserting the circuit and being protected.

In the above embodiment, specifically, the reinforcing nut 184 on the outer wall of the adjusting screw 183 contacts the adjusting plate 182, and after the rotating cylinder 185 is rotated to a proper angle, the reinforcing nut 184 is tightened to fix the adjusting plate, and the inclined angle is conveniently adjusted and used.

In the above embodiment, the working motor 8 is a 42ZL48-5.0AB-4 motor.

In the above embodiment, specifically, the PLC14 is a PLC of model FX 2N-48.

In the above embodiment, the displacement cylinder 16 is a rodless cylinder of type CY3B 6-150.

In the above embodiment, the movable cylinder 173 is a type MA25 cylinder.

In the above embodiment, specifically, the switch 15 is electrically connected to an input terminal of the PLC14, the working motor 8 is electrically connected to an output terminal of the PLC14, the bit cylinder 16 is electrically connected to an output terminal of the PLC14, and the movable cylinder 173 is electrically connected to an output terminal of the PLC 14.

Principle of operation

The utility model discloses a theory of operation: before use, the bottom plate 1 is installed at a specified position, after the bottom plate is preliminarily fixed, the detector module 175 is moved and inserted into the inner side of the second connecting plate 172, and then the detector module is connected with the reinforcing plate 174 through bolts, after the detector module 175 is preliminarily fixed, the rectangular plate 1765 is moved and is in contact with the front side and the rear side of the detector module 175, and then the detector module 175 is fixed through the bolts, after the installation is completed, a circuit connected with the rectangular plate 1765 is pulled to penetrate through the barrel cavity 186 of the rotary barrel 185 and is connected with specified equipment, when the circuit penetrates through the barrel cavity 186, the support can be carried out through the support wheel 187, after the detector module is installed, when the detector module is used, the working motor 8 is started, the lifting screw 6 can be driven to rotate through the reducer 7, the movable seat 11 can be moved up and down to the proper position, the movement is stopped after the circuit is reached, then the displacement cylinder 16 is started, therefore, the detector module 175 can work, and when the detector module works and detects different positions, the movable air cylinder 173 is started to drive the detector module 175 to move left and right to a proper position for use.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims (10)

1. The mechanical equipment of the dual-pixel multifunctional mammary gland imaging system is characterized by comprising a bottom plate (1), a vertical plate (2), an adjusting long hole (3), a top plate (4), a bearing (5), a lifting screw (6), a speed reducer (7), a working motor (8), a limiting rod (9), a side guard plate (10), a movable seat (11), an assembling plate (12), a protection box (13), a PLC (14), a switch (15), a shifting cylinder (16), a left adjusting seat structure (17), a right adjusting seat structure (18) and an auxiliary supporting cylinder structure (18), wherein the vertical plate (2) is welded in the middle of the upper surface of the bottom plate (1); the adjusting long hole (3) is formed in the left side of the inner part of the vertical plate (2); the top plate (4) is welded on the upper part of the right surface of the vertical plate (2); the bearings (5) are respectively embedded on the left side of the lower surface of the top plate (4) and the middle right side of the upper surface of the bottom plate (1); the lifting screw (6) is inserted into the bearing (5), and the upper end of the lifting screw is connected with the lower key of the speed reducer (7); the speed reducer (7) is mounted on the upper surface of the top plate (4) through bolts; the working motor (8) is arranged on the right side of the speed reducer (7) through a bolt, and an output shaft is connected with the speed reducer (7) through a key; the limiting rod (9) is welded on the right side between the bottom plate (1) and the top plate (4); the side guard plates (10) are respectively welded on the front side and the rear side of the top plate (4) and the bottom plate (1); the movable seat (11) penetrates through the adjusting long hole (3) and is respectively connected with and sleeved on the limiting rod (9) through a lifting screw (6) in a threaded manner; the assembling plate (12) is welded at the left end of the movable seat (11); the protection box (13) is welded on the right side of the upper surface of the bottom plate (1) and is arranged on the right side of the limiting rod (9); the PLC (14) is installed in the protection box (13) through bolts; the switch (15) is embedded on the right surface of the protection box (13); the shifting cylinder (16) is mounted on the left side surface of the assembling plate (12) through bolts; the left and right adjusting seat structure (17) is arranged on the left side of the shifting cylinder (16); the auxiliary supporting cylinder structure (18) is arranged at the upper left part of the assembling plate (12); the left and right adjusting seat structure (17) comprises a first connecting plate (171), a second connecting plate (172), a movable air cylinder (173), a reinforcing plate (174), a detector module (175) and an auxiliary reinforcing plate frame structure (176), wherein the second connecting plate (172) is respectively installed on the front side and the rear side of the right surface of the first connecting plate (171) through bolts, and the right side of the second connecting plate (172) is respectively installed on the left side of the shifting air cylinder (16) through bolts; the movable air cylinder (173) is mounted on the left side surface of the first connecting plate (171) through bolts; the auxiliary reinforcing plate frame structure (176) is arranged inside the second connecting plate (172).

2. The dual-core multifunctional breast imaging system mechanical device according to claim 1, wherein the auxiliary reinforcing plate frame structure (176) comprises a long box (1761), box holes (1762), inserting rods (1763), a limiting disc (1764), a rectangular plate (1765) and a protective pad (1766), wherein the long box (1761) is embedded in the lower side of the inner part of the second connecting plate (172); the box hole (1762) is arranged inside the long box (1761); the penetrating and inserting rod (1763) is inserted into the box hole (1762); the limiting disc (1764) is welded at the rear part of the through-insertion rod (1763); the rectangular plate (1765) is welded at the front end of the through-insertion rod (1763); the protective pad (1766) is glued on the front surface of the rectangular plate (1765).

3. The mechanical apparatus of a dual-core pixel multifunctional breast imaging system according to claim 1, wherein the auxiliary supporting cylinder structure (18) comprises a transverse plate (181), an adjusting piece (182), an adjusting screw (183), a reinforcing nut (184), a rotary cylinder (185), a cylinder cavity (186) and a supporting wheel (187), the transverse plate (181) is welded on the upper portion of the left side surface of the assembling plate (12); the adjusting sheet (182) is welded at the left end of the transverse plate (181); the adjusting screw rods (183) are respectively welded at the front part and the rear part of the rotary cylinder (185) and inserted into the adjusting sheets (182); the reinforcing nut (184) is in threaded connection with the outer wall of the adjusting screw rod (183); the cylinder cavity (186) is arranged inside the rotary cylinder (185); the supporting wheels (187) are respectively welded at the upper part and the lower part of the right side of the inner wall of the cylinder cavity (186).

4. The dual pixel multifunctional breast imaging system mechanical device according to claim 1, wherein two second connecting plates (172) are provided on the right side of the first connecting plate (171), and the first connecting plate (171) and the second connecting plate (172) are assembled in a U shape.

5. The dual-core pixel multifunctional breast imaging system mechanical device as claimed in claim 1, wherein the output shaft of the movable cylinder (173) is embedded with a reinforcing plate (174), and the right surface of the reinforcing plate (174) is bolted with the detector module (175).

6. The dual-core pixel multifunctional breast imaging system mechanical device as claimed in claim 2, wherein the long box (1761) and the box hole (1762) are respectively disposed at the front and rear sides of the detector module (175).

7. The dual-core-pixel multifunctional breast imaging system mechanical device as claimed in claim 2, wherein the penetrating rod (1763) and the limiting plate (1764) are assembled in a T shape, and the penetrating rod (1763) is inserted into the box hole (1762).

8. The dual-core-pixel multifunctional breast imaging system mechanical device as claimed in claim 2, wherein the protective pad (1766) on the inner wall of the rectangular plate (1765) is a rubber pad, and the rectangular plate (1765) is connected with the detector module (175).

9. The dual-core-pixel multifunctional breast imaging system mechanical device according to claim 3, wherein two support wheels (187) are provided inside the cylinder cavity (186).

10. The dual-core pixel multifunctional breast imaging system mechanical device as claimed in claim 3, wherein said cylinder cavity (186) is opened inside the rotary cylinder (185).

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