High-wear-resistance alloy machine barrel screw

Abstract

The utility model discloses a high-wear-resistance alloy machine barrel screw, which belongs to the technical field of machine barrel screws and comprises a plurality of screw bodies, mounting heads and spiral blades fixedly connected to the outer side walls of the screw bodies, inserting blocks are fixedly connected to the upper ends of the screw bodies, first inserting grooves matched with the inserting blocks are formed in the lower ends of the screw bodies, and the mounting heads are fixedly connected to the screw bodies. An elastic clamping buckle mechanism is arranged in the inserting block, first clamping holes communicating with the first inserting groove are formed in the side walls of the two sides of the screw rod body, the two ends of the elastic clamping buckle mechanism are inserted into the two first clamping holes correspondingly, and a connecting sleeve is fixedly connected to the lower end of the mounting head; and a second inserting groove matched with the inserting block is formed in the lower side wall of the connecting sleeve. According to the utility model, through the arrangement of the elastic buckle mechanism, the end-to-end connection and installation between the two screw rod bodies can be realized only by pressing the two clamping blocks, and compared with a thread installation mode, the design is simple to operate, and convenient to install, disassemble, overhaul and maintain.

Description

TECHNICAL FIELD

[0001] The utility model relates to machine cylinder screw technical field, specifically a kind of high wear-resistant alloy machine cylinder screw. BACKGROUND

[0002] Screw and barrel are the core components of plastic forming equipment, and they are inseparable combination, their perfect meshing and just right gap make the plasticization of material, the quality of product and production efficiency are significantly improved, but with the passage of time, screw rotates in barrel, and the friction of material and both, make the working surface of screw and barrel gradually wear, screw diameter gradually reduces, and the inner hole diameter of barrel gradually increases, in this way, the matching diameter gap of screw and barrel gradually increases with the gradual wear of both, over a long period of time, not only affect the quality of plastic products, but also shorten the service life of machine, even directly lead to machine cannot be used normally.

[0003] In Chinese patent wear-resistant alloy machine cylinder screw (patent No. CN214056383U), the screw adopts the way of splicing the heads and tails of multiple segmented screws, realizes the controllability of screw length, and after the completion of screw splicing, the surface is thermal sprayed with alloy coating fused with nickel-based and tungsten carbide, realizes the close combination between coating and screw body. However, the splicing of multiple segmented screws through thread tightening is more troublesome, and the connection is not firm enough, which affects the stability of work. SUMMARY

[0004] The utility model aims at providing a kind of high wear-resistant alloy machine cylinder screw to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of high wear-resistant alloy machine cylinder screw, including multiple screw bodies and mounting head, the outer lateral wall of the screw body is fixedly connected with helical blade, the upper end of the screw body is fixedly connected with plug-in block, the lower end of the screw body is provided with the first insertion slot matched with plug-in block, the plug-in block is equipped with elastic buckle mechanism, the both sides lateral wall of the screw body is provided with the first clamping hole communicated with first insertion slot, the both ends of the elastic buckle mechanism are respectively inserted in two first clamping holes, the lower end of the mounting head is fixedly connected with connecting sleeve, the lower lateral wall of the connecting sleeve is provided with the second insertion slot matched with plug-in block, the both sides lateral wall of the connecting sleeve is provided with the second clamping hole communicated with second insertion slot.

[0007] As a further scheme of the utility model: wherein, the elastic buckle mechanism includes the slide cavity that is set in the plug, the inner wall of the slide cavity is slidably connected with two symmetrical slide sheets, two The slide sheet is fixedly connected with a compression spring between two slide sheets, two The opposite side wall of slide sheet is hingedly connected with two symmetrical swing rods, and the opposite two The one end of swing rod is hingedly connected, and two The far side of slide sheet is fixedly connected with a clamping block, and two The clamping block is respectively penetrated to the outside of plug.

[0008] As a further scheme of the utility model: wherein, the two side walls of the plug are provided with slide holes in communication with the slide cavity, and the clamping block is arranged through the slide hole.

[0009] As a further scheme of the utility model: wherein, the outer wall of the screw body is fixedly connected with a stirring protrusion arranged in an equal interval spiral, and the stirring protrusion is located between the blade gap of the spiral blade.

[0010] As a further scheme of the utility model: wherein, the mounting head is provided in a cylindrical structure, and the two side walls of the mounting head are fixedly connected with a limiting block.

[0011] As a further scheme of the utility model: wherein, the plug is provided in a rectangular structure, and the first insertion slot and the second insertion slot are both provided in a rectangular shape.

[0012] As a further scheme of the utility model: wherein, the inner wall of the first clamping hole and the second clamping hole is fixedly connected with a sealing rubber ring.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The high wear-resistant alloy cylinder screw rod is provided with an elastic buckle mechanism, two clamping blocks are displaced towards each other during installation, two slide sheets slide in the slide cavity, the compression spring is extruded and shrunk to generate elastic force, two sets of swing rods swing, the displacement of the slide sheet is more stable, the two clamping blocks are completely shrunk into the plug, the plug is inserted into the first insertion slot, the two clamping blocks are automatically inserted into the two first clamping holes for clamping when the clamping block is aligned with the first clamping hole, the first end and the tail of the two screw bodies are connected and installed, compared with the threaded installation mode, the design is simple to operate, convenient to install and disassemble, and convenient for maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is a three-dimensional structure schematic view of the screw body of the utility model;

[0017] Figure 3 It is the cross section structure schematic view of the screw body of the utility model;

[0018] Figure 4 It is the cross section structure schematic view of the plug block of the utility model;

[0019] Figure 5 It is the three-dimensional structure schematic view of the mounting head of the utility model;

[0020] Figure 6 It is the cross section structure schematic view of the mounting head of the utility model.

[0021] The corresponding relationship between the various figure annotations and component names in the drawings is as follows:

[0022] 1, screw body; 2, mounting head; 3, plug block; 4, first insertion slot; 5, first clamping hole; 6, connecting sleeve; 7, second insertion slot; 8, second clamping hole; 9, sliding cavity; 10, sliding sheet; 11, compression spring; 12, swing lever; 13, clamping block; 14, sliding hole; 15, stirring protruding block; 16, limiting block; 17, sealing rubber ring; 18, spiral blade. DETAILED DESCRIPTION

[0023] Please refer to Figures 1-6 In the practical embodiment, a high wear-resistant alloy machine cylinder screw rod, the screw rod as a whole adopts high wear-resistant alloy material, which is prior art, so it is not explained too much here, including a plurality of screw bodies 1 and mounting heads 2, the spiral blade 18 is fixedly connected to the outer side wall of the screw body 1, the plug block 3 is fixedly connected to the upper end of the screw body 1, the first insertion slot 4 is arranged in the lower end of the screw body 1 and matched with the plug block 3, the elastic buckle mechanism is arranged in the plug block 3, the first clamping hole 5 is arranged in the two side walls of the screw body 1 and communicated with the first insertion slot 4, the two ends of the elastic buckle mechanism are respectively inserted into the two first clamping holes 5, the connecting sleeve 6 is fixedly connected to the lower end of the mounting head 2, the second insertion slot 7 is arranged in the lower side wall of the connecting sleeve 6 and matched with the plug block 3, the second clamping hole 8 is arranged in the two side walls of the connecting sleeve 6 and communicated with the second insertion slot 7, the mounting is convenient, the length of the machine cylinder screw rod can be adjusted according to the use requirement, and the applicability is strong.

[0024] For example Figures 1 to 4As shown: the elastic buckle mechanism includes the slide cavity 9 opened in the plug block 3, the inner wall of the slide cavity 9 is slidably connected with two symmetrical slide sheets 10, the two slide sheets 10 are fixedly connected with the compression spring 11, the opposite side walls of the two slide sheets 10 are hingedly connected with two symmetrical swing rods 12, one end of the opposite two swing rods 12 is hingedly connected, the far side of the two slide sheets 10 is fixedly connected with the clamping block 13, and the two clamping blocks 13 are respectively penetrated to the outside of the plug block 3. When installing, first, push the two clamping blocks 13 to displace, at this time, the two slide sheets 10 slide in the slide cavity 9, the compression spring 11 is extruded and shrunk to generate elastic force, at the same time, the two sets of swing rods 12 are hingedly swung, so that the displacement of the slide sheet 10 is more stable, until the two clamping blocks 13 are completely shrunk into the plug block 3, at this time, the plug block 3 can be inserted into the first slot 4, when the clamping block 13 is aligned with the first clamping hole 5, the two clamping blocks 13 are automatically inserted into the two first clamping holes 5 for clamping, the head-to-tail connection and installation between the two screw bodies 1 can be realized, and the installation of the mounting head 2 is also the same. Simple operation, convenient installation and disassembly, and easy maintenance.

[0025] As shown in Figure 4 : the two side walls of the plug block 3 are provided with slide holes 14 communicated with the slide cavity 9, and the clamping block 13 is arranged through the slide hole 14, so that the clamping block 13 can displace.

[0026] As shown in Figure 2 : the outer wall of the screw body 1 is fixedly connected with the stirring protrusions 15 arranged in an equal interval and spirally around, and the stirring protrusions 15 are located between the blade gaps of the helical blades 18, so that the stirring protrusions 15 can stir the materials.

[0027] As shown in Figure 5 : the mounting head 2 is in a cylindrical structure, which is convenient for installation and plug-in, and the two side walls of the mounting head 2 are fixedly connected with the limiting blocks 16, so that the torsional resistance of the device during rotation is improved.

[0028] As shown in Figure 2 , Figure 3 and Figure 6 : the plug block 3 is in a rectangular structure, and the first slot 4 and the second slot 7 are both in a rectangular structure, so that the torsional resistance of the device during rotation is improved.

[0029] As shown in Figure 5 : the inner walls of the first clamping hole 5 and the second clamping hole 8 are fixedly connected with the sealing rubber rings 17, so that the sealing property is improved, and the plastic glue is prevented from leaking into the slot.

[0030] Working principle: when installing, first push two clamping blocks 13 to move towards each other, at this time, two sliding sheets 10 slide in the sliding cavity 9, the compressed spring 11 is extruded and shrunk to generate elastic force, at the same time, two sets of swing rods 12 are hinged to swing, which can make the displacement of the sliding sheet 10 more stable, until the two clamping blocks 13 are completely retracted into the plug block 3, at this time, the plug block 3 can be inserted into the first insertion slot 4, when the clamping block 13 is aligned with the first clamping hole 5, the two clamping blocks 13 are automatically inserted into the two first clamping holes 5 for clamping, which can realize the head-to-tail connection and installation between the two screw bodies 1, and the installation of the mounting head 2 is also the same, which is simple to operate, convenient to install and disassemble, and convenient for maintenance and maintenance.

Claims

1. A high wear resistant alloy barrel screw comprising a plurality of screw bodies (1) and a mounting head (2), characterized in that, The outer side wall of the screw body (1) is fixedly connected with a helical blade (18), the upper end of the screw body (1) is fixedly connected with a plug block (3), the lower end of the screw body (1) is provided with a first insertion slot (4) matched with the plug block (3), the plug block (3) is provided with an elastic buckle mechanism, the two side walls of the screw body (1) are provided with first clamping holes (5) communicated with the first insertion slot (4), the two ends of the elastic buckle mechanism are respectively inserted into the two first clamping holes (5), the lower end of the mounting head (2) is fixedly connected with a connecting sleeve (6), the lower side wall of the connecting sleeve (6) is provided with a second insertion slot (7) matched with the plug block (3), and the two side walls of the connecting sleeve (6) are provided with second clamping holes (8) communicated with the second insertion slot (7).

2. A high abrasion resistant alloy barrel screw as defined in claim 1 wherein, The elastic buckle mechanism comprises a sliding cavity (9) formed in the plug block (3), the inner wall of the sliding cavity (9) is slidably connected with two symmetrically arranged sliding plates (10), the two sliding plates (10) are fixedly connected with a compression spring (11) therebetween, the opposite side walls of the two sliding plates (10) are hingedly connected with two symmetrically arranged swing rods (12), one end of the two opposite swing rods (12) is hingedly connected, and the opposite sides of the two sliding plates (10) are fixedly connected with clamping blocks (13), respectively.

3. A high abrasion resistant alloy barrel screw as defined in claim 2 wherein, The two side walls of the plug block (3) are provided with sliding holes (14) communicated with the sliding cavity (9), and the clamping blocks (13) are arranged through the sliding holes (14).

4. A high abrasion resistant alloy barrel screw as defined in claim 1 wherein, The outer side wall of the screw body (1) is fixedly connected with a stirring protrusion (15) arranged in an equal-interval helical manner, and the stirring protrusion (15) is located between the blade gaps of the helical blade (18).

5. A high abrasion resistant alloy barrel screw as defined in claim 1 wherein, The mounting head (2) is in a cylindrical structure, and the two side walls of the mounting head (2) are fixedly connected with limiting blocks (16).

6. A high abrasion resistant alloy barrel screw as defined in claim 1 wherein, The plug block (3) is in a rectangular structure, and the first insertion slot (4) and the second insertion slot (7) are both in a rectangular structure.

7. A high abrasion resistant alloy barrel screw as defined in claim 1 wherein, The inner side walls of the first clamping hole (5) and the second clamping hole (8) are fixedly connected with sealing rubber rings (17).

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