Stirring device for plastic product production

Abstract

The utility model relates to the technical field of stirring devices, in particular to a stirring device for plastic product production, which comprises a stirring shaft, a plurality of groups of anti-loosening grooves are arranged on the surface of a stirring blade, a plurality of groups of anti-loosening rod mounting grooves are arranged on a nut of a screw, one end of an anti-loosening rod is movably inserted into each anti-loosening rod mounting groove, and the other end of the anti-loosening rod is connected with a stirring shaft. The other ends of the multiple sets of anti-loosening rods are movably inserted into the multiple sets of anti-loosening grooves correspondingly. The anti-loosing screw has the beneficial effects that one end of the anti-loosing rod extends out of the anti-loosing rod mounting groove and is inserted into the anti-loosing groove, and the other end of the anti-loosing rod stays in the anti-loosing rod mounting groove, so that the screw cannot rotate relative to the screw, the thread anti-loosing is realized in the manner, larger friction force between the screw hole and the screw is not needed, and the anti-loosing screw is convenient to use. Therefore, overlarge abrasion of threads between the screw hole and the screw during disassembly and assembly of the screw hole is avoided, the arrival time of the thread slipping phenomenon is delayed to a great extent, and the service life of the disassembly and assembly structure between the stirring shaft and the stirring blade is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to agitating unit technical field, concretely is a kind of stirring device for plastic product production. BACKGROUND

[0002] Plastic products are the life, industrial and other goods collectively referred to as the use of plastic as the main raw material processing, with light weight, excellent chemical stability and other characteristics, in the production process of plastic products, raw materials are stirred, at this time need to apply to stirring device.

[0003] In the prior art, the stirring device for plastic product production mainly comprises a stirring barrel, a stirring cover, a stirring motor, a stirring rod and stirring blades, the stirring rod is rotatably connected to the stirring cover, the stirring blades are sleeved on the stirring shaft, screw holes are formed in corresponding positions of the stirring shaft and the stirring blades, and screws are screwed in the screw holes to install the stirring blades on the stirring shaft. A gasket is sleeved on the screw, and after the screw is tightened in the screw hole, it is continued to be tightened to compress the gasket to a large extent. The gasket compressed to a large extent generates a large counterforce on the nut under the elastic force of itself, so that the threaded connection between the screw and the screw hole is subjected to a large pressure. A large friction force is obtained between the threads through the large pressure, and the function of thread locking is realized through the friction force to prevent the screw from loosening when the stirring shaft drives the stirring blades to rotate at high speed.

[0004] However, the thread locking method in the prior art can generate a large friction force between the screw and the screw hole, which can cause a large wear on the threads between the screw and the nut when the screw is disassembled. When the wear reaches a certain degree, the screw cannot be tightened in the screw hole any more, and the installation method between the stirring blades and the stirring shaft can be quickly invalidated. TECHNICAL SOLUTION

[0005] The utility model aims at providing a stirring device for plastic product production to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a stirring device for plastic product production, comprising: a stirring shaft, a stirring blade sleeved on the surface of the stirring shaft, screw holes formed in the surfaces of the stirring shaft and the stirring blade, a screw rotatably connected in the screw hole, a gasket sleeved on the screw rod of the screw, a plurality of sets of anti-loosening grooves formed in the surface of the stirring blade, a plurality of sets of anti-loosening rod mounting grooves formed in the nut of the screw, one end of an anti-loosening rod movably inserted in the anti-loosening rod mounting groove, and the other end of the plurality of sets of anti-loosening rods movably inserted in the plurality of sets of anti-loosening grooves.

[0007] Preferably, one end of the anti-loose rod inserted into the anti-loose rod mounting slot is fixed with a connecting rod and an anti-loose spring, and the other end of the anti-loose spring is fixed on the inner wall of the slot body of the anti-loose rod mounting slot.

[0008] Preferably, a plurality of groups of connecting rod holes are formed on the screw nut, the plurality of groups of connecting rod holes are respectively communicated with the plurality of groups of anti-loose rod mounting slots, the plurality of groups of connecting rods are respectively movably inserted into the plurality of groups of connecting rod holes, and one end of the plurality of groups of connecting rod holes away from the anti-loose rod is fixed with the same group of pull-out plates.

[0009] Preferably, a limiting plate mounting seat is fixed on the screw nut, and the pull-out plate has a ring plate body structure and is sleeved on the surface of the limiting plate mounting seat.

[0010] Preferably, a limiting plate mounting slot is formed on the surface of the limiting plate mounting seat, one end of the limiting plate is movably inserted into the limiting plate mounting slot, and the other end of the limiting plate is extended from the limiting plate mounting slot.

[0011] Preferably, a limiting plate mounting slot is formed on the surface of the limiting plate mounting seat, one end of the limiting plate is movably inserted into the limiting plate mounting slot, and the other end of the limiting plate is extended from the limiting plate mounting slot.

[0012] Compared with the prior art, the plastic product production stirring device has the advantages that:

[0013] The plastic product production stirring device provided by the utility model can achieve the anti-loose function of the thread between the screw hole and the screw, complete the installation of the stirring shaft and the stirring blade, and achieve the anti-loose of the thread by the above-mentioned mode, so that a large friction force is not needed between the screw hole and the screw, the overlarge wear of the thread between the screw hole and the screw caused by the disassembly of the screw hole is avoided, the time of the occurrence of the thread sliding phenomenon is greatly delayed, and the service life of the disassembly structure between the stirring shaft and the stirring blade is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is a sectional structural schematic view of the utility model;

[0016] Figure 3 It is Figure 2 It is an enlarged schematic view of the structure at A in the middle.

[0017] In the figure: stirring shaft 1, stirring blade 2, screw hole 3, screw 4, gasket 5, anti-loosening groove 6, anti-loosening rod mounting groove 7, anti-loosening rod 8, connecting rod 9, anti-loosening spring 10, connecting rod hole 11, pull plate 12, limit plate mounting seat 13, limit plate mounting groove 14, limit plate 15, limit spring 16. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme of the utility model to carry out clearly, complete description, and the advantage is more clear and distinct, the following combining with the figure to the utility model embodiment carries out further detailed explanation. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all embodiments, only to explain the utility model embodiments, and not for limiting the utility model embodiments, all other embodiments obtained by the ordinary skill in the art without making creative labor, belong to the scope of the utility model protection.

[0019] Embodiment one: please refer to Figures 1 to 3 The utility model provides a kind of technical scheme: a stirring device for plastic product production, it include: stirring shaft 1, stirring blade 2 is set on the surface of stirring shaft 1, screw hole 3 is set on the surface of stirring shaft 1 and stirring blade 2, screw 4 is rotatably connected in screw hole 3, gasket 5 is set on the screw rod of screw 4, the surface of stirring blade 2 is equipped with several groups of anti-loosening groove 6, the nut of screw 4 is equipped with several groups of anti-loosening rod mounting groove 7, one end of anti-loosening rod 8 is movably inserted in anti-loosening rod mounting groove 7, the other end of several groups of anti-loosening rod 8 is movably inserted in several groups of anti-loosening groove 6 respectively.

[0020] When actually using, when screw 4 is screwed in screw hole 3, first make anti-loosening rod 8 completely retract into anti-loosening rod mounting groove 7, when the nut of screw 4 is on the surface of gasket 5, slightly adjust screw 4 in the direction of tightening, when anti-loosening rod mounting groove 7 is aligned with the nearest group of anti-loosening groove 6, make one end of anti-loosening rod 8 from anti-loosening rod mounting groove 7 and insert into anti-loosening groove 6, the other end of anti-loosening rod 8 stays in anti-loosening rod mounting groove 7, so that screw 4 cannot rotate relative to screw 4 again, realize the thread anti-loosening function between screw hole 3 and screw 4, complete the installation of stirring shaft 1 and stirring blade 2, and the thread anti-loosening realized by this way does not need to generate greater friction between screw hole 3 and screw 4, so as to avoid that the thread between screw hole 3 and screw 4 is worn too much when disassembling screw hole 3, greatly delay the arrival time of the phenomenon of wire slipping, prolong the service life of the disassembly structure between stirring shaft 1 and stirring blade 2.

[0021] Example two: on the basis of example one, in order to realize the extension and retraction of the anti-loose rod 8, the end of the anti-loose rod 8 extending into the anti-loose rod mounting slot 7 is fixed with a connecting rod 9 and an anti-loose spring 10, the other end of the anti-loose spring 10 is fixed on the inner wall of the groove body of the anti-loose rod mounting slot 7, a plurality of groups of connecting rod holes 11 are formed on the nut of the screw 4, the plurality of groups of connecting rod holes 11 are respectively through the plurality of groups of anti-loose rod mounting slots 7, the plurality of groups of connecting rods 9 are respectively movably inserted into the plurality of groups of connecting rod holes 11, and the end of the plurality of groups of connecting rod holes 11 away from the anti-loose rod 8 is fixed with the same group of pull-out plates 12.

[0022] When it is needed to completely retract the anti-loose rod 8 into the anti-loose rod mounting slot 7, the pull-out plate 12 is pulled away from the screw 4, the pull-out plate 12 simultaneously pulls out the plurality of groups of connecting rods 9 from the connecting rod holes 11, the plurality of groups of connecting rods 9 simultaneously drive the plurality of groups of anti-loose rods 8 to move in the same direction, so that the plurality of groups of anti-loose rods 8 are simultaneously retracted into the anti-loose rod mounting slot 7, and at this time the anti-loose spring 10 is compressed; when it is needed to make one end of the anti-loose rod 8 extend from the anti-loose rod mounting slot 7, only the pull-out plate 12 is loosened, and the thrust generated by the plurality of groups of anti-loose springs 10 on the plurality of groups of anti-loose rods 8 under the elastic action of the plurality of groups of anti-loose springs 10 can push one end of the anti-loose rod 8 out of the anti-loose rod mounting slot 7.

[0023] Example three: on the basis of example two, in order to realize that the anti-loose rod 8 can be maintained in the state of being completely retracted into the anti-loose rod mounting slot 7, a limiting plate mounting seat 13 is fixed on the nut of the screw 4, the pull-out plate 12 is in the form of an annular plate body structure, the pull-out plate 12 is sleeved on the surface of the limiting plate mounting seat 13, a limiting plate mounting slot 14 is formed on the surface of the limiting plate mounting seat 13, one end of a limiting plate 15 is movably inserted into the limiting plate mounting slot 14, the other end of the limiting plate 15 extends out of the limiting plate mounting slot 14, a limiting spring 16 is fixed on the end of the limiting plate 15 extending into the limiting plate mounting slot 14, and the other end of the limiting spring 16 is fixed on the inner wall of the groove body of the limiting plate mounting slot 14.

[0024] When the screw 4 is disassembled, the anti-loose rod 8 needs to be maintained in the state of being completely retracted into the anti-loose rod mounting slot 7, before the pull-out plate 12 is pulled, the limiting plate 15 is completely pressed into the limiting plate mounting slot 14, at this time the limiting spring 16 is compressed, then the pull-out plate 12 is pulled, the pull-out plate 12 moves away from the screw 4 along the limiting plate mounting seat 13, when the anti-loose rod 8 is completely retracted into the anti-loose rod mounting slot 7, the pull-out plate 12 moves to the other side of the limiting plate mounting slot 14, then the limiting spring 16 pushes the one end of the limiting plate 15 out of the limiting plate mounting slot 14 under the elastic action of the limiting spring 16, the limiting plate 15 abuts against the surface of the pull-out plate 12 so that the pull-out plate 12 cannot move towards the screw 4, and then the anti-loose rod 8 can be maintained in the state of being completely retracted into the anti-loose rod mounting slot 7.

[0025] In actual use, when the screw 4 is screwed in the screw hole 3, the anti-loosening rod 8 is first fully retracted into the anti-loosening rod mounting groove 7, and when the screw cap of the screw 4 abuts against the surface of the gasket 5, the screw 4 is slightly adjusted in the tightening direction, when the anti-loosening rod mounting groove 7 is aligned with the nearest set of anti-loosening grooves 6, one end of the anti-loosening rod 8 is extended from the anti-loosening rod mounting groove 7 and inserted into the anti-loosening groove 6, and the other end of the anti-loosening rod 8 stays in the anti-loosening rod mounting groove 7, so that the screw 4 cannot rotate relative to the screw 4, the thread anti-loosening function between the screw hole 3 and the screw 4 is realized, the installation of the stirring shaft 1 and the stirring blade 2 is completed, and the thread anti-loosening realized by this way does not need to generate a large friction force between the screw hole 3 and the screw 4, so that the overlarge wear of the thread between the screw hole 3 and the screw 4 caused by the disassembly of the screw hole 3 is avoided, the time of the occurrence of the thread stripping phenomenon is largely delayed, and the service life of the disassembly structure between the stirring shaft 1 and the stirring blade 2 is prolonged. When it is needed to fully retract the anti-loosening rod 8 into the anti-loosening rod mounting groove 7, the pull plate 12 is pulled away from the screw 4, the pull plate 12 simultaneously pulls out a plurality of sets of connecting rods 9 from the connecting rod holes 11, the plurality of sets of connecting rods 9 simultaneously drive the plurality of sets of anti-loosening rods 8 to move in the same direction, so that the plurality of sets of anti-loosening rods 8 are simultaneously retracted into the anti-loosening rod mounting groove 7, and the anti-loosening springs 10 are compressed at this time.

[0026] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A stirring device for plastic product production, comprising: The utility model relates to a stirring shaft (1), the surface of stirring shaft (1) is sleeved with stirring vane (2), the surface of stirring shaft (1) and stirring vane (2) are all provided with screw hole (3), the screw hole (3) is rotatably connected with screw (4), the screw rod of screw (4) is sleeved with gasket (5), its characterized in that: the surface of stirring vane (2) is provided with several groups of anti-loosening groove (6), the nut of screw (4) is provided with several groups of anti-loosening rod installation groove (7), one end of anti-loosening rod (8) is movably inserted in anti-loosening rod installation groove (7), and the other end of several groups of anti-loosening rod (8) is movably inserted in several groups of anti-loosening groove (6) respectively.

2. The stirring device for plastic product production according to claim 1, characterized in that: The one end of anti-loosening rod (8) is fixed with connecting rod (9) and anti-loosening spring (10) that stretch into anti-loosening rod installation groove (7), and the other end of anti-loosening spring (10) is fixed on the inner wall of the groove body of anti-loosening rod installation groove (7).

3. The stirring device for plastic product production according to claim 2, characterized in that: The nut of screw (4) is provided with several groups of connecting rod hole (11), and the connecting rod hole (11) is penetrated with several groups of anti-loosening rod installation groove (7) respectively, and the connecting rod hole (11) is movably inserted in several groups of connecting rod (9) respectively, and the one end of connecting rod hole (11) away from anti-loosening rod (8) is fixed with the same group of pull-out plate (12).

4. The stirring device for plastic product production according to claim 3, characterized in that: The nut of screw (4) is fixed with limiting plate mounting seat (13), and the pull-out plate (12) is annular plate body structure, and the pull-out plate (12) is sleeved on the surface of limiting plate mounting seat (13).

5. The stirring device for producing plastic products according to claim 4, characterized in that: The surface of limiting plate mounting seat (13) is provided with limiting plate installation groove (14), and one end of limiting plate (15) is movably inserted in limiting plate installation groove (14), and the other end of limiting plate (15) is stretched out from limiting plate installation groove (14).

6. The stirring device for producing plastic products according to claim 5, characterized in that: The one end of limiting plate (15) that stretches into limiting plate installation groove (14) is fixed with limiting spring (16), and the other end of limiting spring (16) is fixed on the inner wall of the groove body of limiting plate installation groove (14).

Images