Injection molding machine screw convenient to disassemble

Abstract

The utility model relates to the technical field of injection molding machine screw rods, in particular to an injection molding machine screw rod convenient to disassemble, which comprises a screw rod body, the screw rod body comprises a conical head, a head end section, a connecting shaft, a tail end section and a plurality of middle sections, the middle sections are coaxially arranged, and every two adjacent middle sections are opposite front and back. The rear end of the head end section and the front end of the middle section located at the front end are oppositely arranged and coaxially arranged, the front end of the tail end section and the rear end of the middle section located at the rear end are oppositely arranged and coaxially arranged, and the front end of the connecting shaft and the rear end of the tail end section are oppositely arranged and coaxially arranged. The sectional splicing type design is adopted, any end of the screw rod of the injection molding machine can be replaced when being damaged, materials are saved, the replacement cost is reduced, resource waste is avoided, and meanwhile the splicing type design is convenient to transport, store and install.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding machine screw technical field, concretely is an injection molding machine screw convenient to dismount. BACKGROUND

[0002] Injection molding machine screw is the important part of injection molding machine, its function is to the transportation of plastics, compaction, melting, stirring and pressure, all these are through the rotation of screw in the cylinder to complete, when the screw rotates, the plastics for the cylinder inner wall, screw groove bottom surface, screw edge advancing surface and the mutual movement between plastics and plastics, the forward propulsion of plastics is the result of this movement combination, and the heat generated by friction is also absorbed to improve the temperature of plastics and melt plastics.

[0003] Injection molding machine screw plays a vital role in the whole injection molding process, and the general injection molding machine screw is an integral structure, the surface thread of injection molding machine screw is in the high temperature rotating working condition all the time, after a long time, the thread of injection molding machine screw will be abraded, so the screw needs to be replaced, the whole screw needs to be replaced, replacing the whole screw will be waste, in order to solve this problem, we provide an injection molding screw convenient to dismount. SUMMARY

[0004] The utility model discloses an injection molding machine screw convenient to dismount to solve the technical problem of replacing the screw, the whole screw needs to be replaced, and replacing the whole screw will be waste.

[0005] The utility model provides an injection molding machine screw convenient to dismount, including screw body, the screw body includes a taper head, a first end section, a connecting shaft, a tail end section and a plurality of intermediate sections, each intermediate section is coaxially arranged, and every two adjacent intermediate sections are opposite to each other, the rear end of first end section is opposite to the front end of the intermediate section at the front end and is coaxially arranged, the front end of tail end section is opposite to the rear end of the intermediate section at the rear end and is coaxially arranged, the front end of connecting shaft is opposite to the rear end of tail end section and is coaxially arranged, the connecting mechanism for connecting each other is arranged between every two adjacent intermediate sections, between the tail end section and the intermediate section at the rear end, between the first end section and the intermediate section at the front end and between the connecting shaft and the tail end, the rear end of taper head is equipped with the outer thread cylinder coaxially arranged, the front end of first end section is equipped with the ring groove coaxially arranged, the outer thread cylinder is installed in the ring groove through the thread.

[0006] For further scheme of the utility model: the front end of the first end section, the front end of the middle end and the front end of the tail section are all fixed with multiple positioning blocks, and the rear end of the first end section, the rear end of the middle end and the rear end of the tail section are all provided with multiple positioning grooves matched with the positioning blocks.

[0007] For further scheme of the utility model: the front end of the first end section, the front end of the middle end and the front end of the tail section are all fixed with multiple positioning blocks, and the rear end of the first end section, the rear end of the middle end and the rear end of the tail section are all provided with multiple positioning grooves matched with the positioning blocks.

[0008] For further scheme of the utility model: the clamping mechanism comprises an internal thread cylinder, a push rod, a push block and two inclined blocks, the inner wall of the jack slot is provided with two inclined grooves matched with the inclined blocks, the outer side wall of the plug-in column is provided with a sliding groove, and the two inclined blocks are slidably arranged in the two sliding grooves.

[0009] For further scheme of the utility model: the other end of the push rod is fixedly provided with an internal hexagonal screw head coaxially arranged.

[0010] For further scheme of the utility model: the outer side wall of the push rod is provided with a spring washer.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] The sectional splicing type design is adopted for the injection molding machine screw, any end of the injection molding machine screw can be replaced, material is saved, replacement cost is reduced, and the sectional splicing type design is convenient for transportation, storage and installation. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0014] Fig. 2 It is a schematic diagram of the internal structure of the utility model.

[0015] Fig. 3 It is Fig. 2 the enlarged view of A of the utility model.

[0016] Fig. 4 It is Fig. 2 the enlarged view of B of the utility model.

[0017] In the figure: 1, the taper head; 2, the head end section; 3, the tail end section; 4, the connecting shaft; 5, the middle section; 6, the internal thread cylinder; 7, the spring washer; 8, the internal hexagonal screw head; 9, the push block; 10, the push rod; 11, the inclined block; 12, the guide rod; 13, the plug-in post; 14, the positioning block; 15, the external thread cylinder. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0019] Please refer to Figs. 1-4 In the embodiments of the utility model, a screw rod convenient to disassemble of an injection molding machine comprises a screw rod body, the screw rod body comprises a taper head 1, a head end section 2, a connecting shaft 4, a tail end section 3 and a plurality of middle sections 5, the middle sections 5 are coaxially arranged, and every two adjacent middle sections 5 are opposite to each other, the rear end of the head end section 2 is opposite to the front end of the middle section 5 located at the front end and coaxially arranged, the front end of the tail end section 3 is opposite to the rear end of the middle section 5 located at the rear end and coaxially arranged, the front end of the connecting shaft 4 is opposite to the rear end of the tail end section 3 and coaxially arranged, a clamping mechanism for connecting each other is arranged between every two adjacent middle sections 5, between the tail end section 3 and the middle section 5 located at the rear end, between the head end section 2 and the middle section 5 located at the front end and between the connecting shaft 4 and the tail end, a threaded cylinder 15 coaxially arranged with the taper head 1 is formed in the rear end of the taper head 1, a ring groove coaxially arranged with the head end section 2 is formed in the front end of the head end section 2, and the threaded cylinder 15 is screwed in the ring groove;

[0020] Therefore, the screw rod of the injection molding machine is designed in a sectional splicing mode, so that the screw rod can be replaced when any end of the screw rod is damaged, material is saved, replacement cost is reduced, and the sectional splicing mode facilitates transportation, storage and installation.

[0021] Further to the utility model, the head end section 2, the middle end and the tail end are all provided with through holes coaxially arranged with the head end section 2, the middle end and the tail end, the rear end of the head end section 2, the rear end of the middle end and the rear end of the tail end are all fixed with plug-in posts 13 coaxially arranged with the head end section 2, the middle end and the tail end, and the front end of the head end section 2, the front end of the middle end and the front end of the tail end are all provided with plug-in grooves coaxially arranged with the head end section 2, the middle end and the tail end.

[0022] According to the above connection relationship, the plug-in posts 13 and the plug-in grooves are arranged to facilitate butt joint installation.

[0023] Further, the front end of the first end section 2, the front end of the middle end, and the front end of the tail end section are fixed with a plurality of positioning blocks 14, and the rear end of the first end section 2, the rear end of the middle end, and the rear end of the tail end section are provided with a plurality of positioning grooves matched with the positioning blocks 14.

[0024] Through the above connection relationship, it can be known that the positioning blocks 14 and the positioning grooves are arranged to facilitate positioning and installation.

[0025] Further, the clamping mechanism comprises an inner threaded cylinder 6, a push rod 10, a push block 9, and two inclined blocks 11, the inner wall of the insertion hole groove is provided with two inclined grooves matched with the inclined blocks 11, the outer side wall of the insertion column 13 is provided with a sliding groove, and the two inclined blocks 11 are slidingly arranged in the two sliding grooves, respectively.

[0026] Through the above connection relationship, it can be known that the push rod 10 is rotated, the push rod 10 moves along the inner threaded cylinder 6 through the thread, the push block 9 moves along the through hole, the inclined groove on the push block 9 pushes the inclined block 11 outwards through the guide rod 12, and the inclined block 11 is clamped into the inclined groove, so as to realize clamping, and the installation mode is simple and fast.

[0027] Further, the other end of the push rod 10 is fixed with an inner hexagonal screw head 8 coaxially arranged with the push rod 10.

[0028] Further, the outer side wall of the push rod 10 is provided with a spring washer 7.

[0029] Working principle: the insertion column 13 is inserted into the insertion hole groove, the positioning block 14 is inserted into the positioning groove, the push rod 10 is rotated, the push rod 10 moves along the inner threaded cylinder 6 through the thread, the push block 9 moves along the through hole, the inclined groove on the push block 9 pushes the inclined block 11 outwards through the guide rod 12, and the inclined block 11 is clamped into the inclined groove, so as to realize clamping, and the installation mode is simple and fast.

[0030] It is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model.

Claims

1. A readily disassembled injection molding machine screw comprising a screw body, characterized by, The screw body comprises a taper head (1), a first end section (2), a connecting shaft (4), a tail end section (3) and a plurality of middle sections (5), each middle section (5) is coaxially arranged, and each adjacent two middle sections (5) are arranged in front of and behind each other, the rear end of the first end section (2) is arranged opposite to the front end of the front middle section (5) and coaxially arranged, the front end of the tail end section (3) is arranged opposite to the rear end of the rear middle section (5) and coaxially arranged, the front end of the connecting shaft (4) is arranged opposite to the rear end of the tail end section (3) and coaxially arranged, a clamping mechanism for connecting each adjacent two middle sections (5), the tail end section (3) and the rear middle section (5), the first end section (2) and the front middle section (5) and the connecting shaft (4) and the tail end section (3) is arranged between each other, the rear end of the taper head (1) is provided with an external thread cylinder (15) coaxially arranged, the front end of the first end section (2) is provided with a ring groove coaxially arranged, and the external thread cylinder (15) is screwed into the ring groove.

2. A readily removable injection molding machine screw as defined in claim 1 wherein, The first end section (2), the middle end and the tail end section are provided with through holes coaxially arranged, the rear end of the first end section (2), the rear end of the middle end and the rear end of the tail end section are fixed with a plug-in column (13) coaxially arranged, and the front end of the first end section (2), the front end of the middle end and the front end of the tail end section are provided with a plug-in hole groove coaxially arranged.

3. A demountable injection molding machine screw as defined in claim 2 wherein, The front end of the first end section (2), the front end of the middle end and the front end of the tail end section are fixed with a plurality of positioning blocks (14), and the rear end of the first end section (2), the rear end of the middle end and the rear end of the tail end section are provided with a plurality of positioning grooves matched with the positioning blocks (14).

4. A demountable injection molding machine screw as defined in claim 2 wherein, The clamping mechanism comprises an internal thread cylinder (6), a push rod (10), a push block (9) and two inclined blocks (11), the inner wall of the plug-in hole groove is provided with two inclined grooves matched with the inclined blocks (11), the outer side wall of the plug-in column (13) is provided with a sliding groove, the two inclined blocks (11) are respectively arranged in the two sliding grooves, the outer wall of the push block (9) is provided with a recess, the inclined block (11) is located in the recess, the left and right sides of the push block (9) are provided with two upper and lower symmetrical inclined grooves, the outer wall of the inclined block (11) is fixed with a guide rod (12), the two ends of the guide rod (12) are respectively arranged in two opposite inclined grooves, the internal thread cylinder (6) is coaxially fixed with the through hole, the push rod (10) is screwed into the internal thread cylinder (6), and one end of the push rod (10) is rotatably installed on the push block (9).

5. A readily removable injection molding machine screw as defined in claim 4 wherein, The other end of the push rod (10) is fixed with an internal hexagonal screw head (8) coaxially arranged.

6. A readily removable injection molding machine screw as defined in claim 5 wherein, The outer side wall of the push rod (10) is sleeved with a spring washer (7).

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