Metal powder extrusion screw

Abstract

The utility model relates to the technical field of extrusion screw rods, and discloses a metal powder extrusion screw rod which comprises a connecting feeding section, one end of the connecting feeding section is connected with a crushing section, the other end of the crushing section is connected with a grinding section, and a threaded hole is formed in the outer wall of the end, away from the crushing section, of the connecting feeding section. A screw hole is formed in the middle of the crushing section, an insertion hole is formed in the outer wall of the end, away from the crushing section, of the grinding section, and the insertion hole penetrates to the outer wall of the end, close to the crushing section, of the grinding section; and the inserting rod is arranged in the inserting hole in a penetrating mode, and a stud is arranged in the middle of the inserting rod. The metal powder extrusion screw rod is provided with the insertion rod which is used for connecting the feeding section, the crushing section and the grinding section of the extrusion screw rod, so that the extrusion screw rod has a detachable function, when a certain section of the extrusion screw rod is abraded to influence use, the extrusion screw rod can be replaced and maintained in a segmented manner, the whole section does not need to be replaced, and the use cost of the extrusion screw rod is further reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to extrusion screw technical field, concretely is a kind of metal powder extrusion screw. BACKGROUND

[0002] Metal powder refers to the size less than 1mm metal particle group, is the main raw material of powder metallurgy.And the main function of extrusion screw is conveying material, heat plastic material and mixing and homogenizing material.Metal powder can be conveyed to other processing equipment in more uniform mixing state after the conveying and mixing homogenization of extrusion screw metal material.

[0003] After looking up, there is metal powder extrusion screw with publication No. CN205996203U, including feeding section, conveying section and mix crack section, above-mentioned structure is connected sequentially and constitutes an entirety, for solving the problem that metal powder extrusion screw's crushing shaft section is evenly distributed, the powder particle produced with this metal powder extrusion screw is larger, sphericity, fluidity is relatively poor, the extrusion screw in the utility model is integral type structure, when the partial area of screw rod appears damage, the whole screw rod needs to be replaced and maintained, lead to production cost increase, for this, we propose a kind of metal powder extrusion screw. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of metal powder extrusion screw to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of metal powder extrusion screw, comprising:

[0006] Connecting feeding section, one end of the connecting feeding section is connected with broken section, the other end of the broken section is connected with grinding section, the outer wall of the one end of the connecting feeding section away from broken section is provided with threaded hole, the middle part of the broken section is provided with screw hole, the outer wall of the one end of the grinding section away from broken section is provided with insertion hole, and insertion hole penetrates to the outer wall of the one end of the grinding section close to broken section;

[0007] Inserting rod, which is arranged in the inside of the insertion hole, the middle part of the inserting rod is provided with stud, and the stud is arranged in the inside of the threaded hole, the outer wall of the one end of the inserting rod away from insertion hole is provided with nut sleeve, and the nut sleeve is connected to the inside of the threaded hole.

[0008] Further, the middle axis positions of the connecting feeding section, broken section and grinding section coincide, and the connecting feeding section is connected to the broken section by threaded hole and screw hole, and the broken section is connected to the grinding section by threaded hole and insertion hole.

[0009] Further, the insertion hole is symmetrically arranged relative to the central axis of the grinding section, and the insertion rod is connected with the grinding section through the insertion hole, and the insertion rod is connected with the crushing section through the threaded hole and the threaded hole.

[0010] Further, the threaded hole is connected with the connecting feeding section through the threaded hole, and the threaded hole is connected with the insertion rod, and the connecting feeding section, the crushing section and the grinding section are connected through the insertion rod and the threaded hole.

[0011] Further, the lower end of the connecting feeding section is provided with a placing seat, one end of the placing seat is fixedly provided with a baffle, and the upper end of the baffle is provided with a slot.

[0012] Further, the placing seat is semi-enclosed between the baffle and the connecting feeding section, and the slot is symmetrically arranged relative to the central axis of the baffle.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The metal powder extrusion screw is provided with an insertion rod, which is used to connect the connecting feeding section, the crushing section and the grinding section of the extrusion screw, so that the extrusion screw has a detachable function. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a combined working state structure schematic view of the utility model;

[0016] Figure 2 It is a combined working state structure schematic view of the utility model;

[0017] Figure 3 It is an insertion rod part structure schematic view of the utility model;

[0018] Figure 4 It is a placing seat part structure schematic view of the utility model.

[0019] In the drawing: 1, connecting feeding section; 2, crushing section; 3, grinding section; 4, threaded hole; 5, threaded hole; 6, insertion hole; 7, insertion rod; 8, threaded hole; 9, threaded hole; 10, placing seat; 11, baffle; 12, slot. PREFERRED EMBODIMENT

[0020] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0021] The utility model discloses a metal powder extrusion screw rod improves in this provides, please refer to Figures 1-3 , including: the connecting feeding section 1 is connected with the broken section 2 at one end, and the connecting feeding section 1 is used to send material into the broken section 2 to carry out broken operation;The other end of broken section 2 is connected with grinding section 3, and the middle axis position of connecting feeding section 1, broken section 2 and grinding section 3 coincides, and grinding section 3 is used to repeatedly grind small block material transported by broken section 2 again to output powder material;The outer wall of the end of connecting feeding section 1 away from broken section 2 is provided with threaded hole 4, and the threaded hole 4 is through the reverse setting screw thread, so that the nut sleeve 9 is rotated into and will not cause the plug rod 7 to rotate out;The middle part of broken section 2 is provided with screw hole 5, and the connecting feeding section 1 is connected between threaded hole 4 and screw hole 5 and broken section 2 to form communication, and the outer wall of the end of grinding section 3 away from broken section 2 is provided with insertion hole 6, and the insertion hole 6 is about the middle axis position of grinding section 3 symmetrically arranged, and the insertion hole 6 penetrates to the outer wall of the end of grinding section 3 close to broken section 2, and broken section 2 is connected between threaded hole 4 and insertion hole 6 and grinding section 3 to form communication, the plug rod 7 is arranged in the inside of insertion hole 6, and the plug rod 7 is connected between insertion hole 6 and grinding section 3 to form engagement, and the middle part of plug rod 7 is provided with stud 8, and the stud 8 is arranged in the inside of threaded hole 4, and the plug rod 7 is connected between stud 8 and screw hole 5 and broken section 2 to form threaded connection, and the outer wall of the end of plug rod 7 away from insertion hole 6 is provided with nut sleeve 9, and the nut sleeve 9 is connected between threaded hole 4 and connecting feeding section 1 to form threaded connection, and the nut sleeve 9 is connected between plug rod 7 to form threaded connection, and the nut sleeve 9 is used to rotate tightly fixed plug rod 7 at the other end of plug rod 7, and the nut sleeve 9 is connected in the inside of threaded hole 4, and the connecting feeding section 1, broken section 2 and grinding section 3 are connected between threaded hole 4 and insertion hole 6 and grinding section 3 to form detachable structure, and the plug rod 7 is arranged in the connecting feeding section 1, broken section 2 and grinding section 3 of the extrusion screw rod, so that the extrusion screw rod has detachable function, and the extrusion screw rod is connected through plug rod 7, and the plug rod 7 is used to assist transmission rotation torque, and the metal powder is extruded and broken, and the extrusion screw rod can be replaced and maintained in segments after being affected by use, so that the extrusion screw rod does not need to be replaced in segments, and the use cost of the extrusion screw rod is reduced.

[0022] Please refer to Figure 1 And Figure 4The utility model provides a metal powder extrusion screw rod, including: the lower end of connecting feeding section 1 is provided with the placement seat 10, the outer wall of one end of placement seat 10 is fixed with baffle 11, and the half-enclosed structure is formed between baffle 11 and connecting feeding section 1, and the placement seat 10 is used to support the extrusion screw rod section through baffle 11, to prevent the extrusion screw rod from rolling and turning on the working surface when being placed, the outer wall of the upper end of baffle 11 is provided with slot 12, and the slot 12 is symmetrically arranged about the central axis of baffle 11, and the baffle 11 is used to assist the extraction of the inserted rod 7 when the extrusion screw rod is placed on the placement seat 10, and the inserted rod 7 is separated from the extrusion screw rod through the slot 12, so that the inserted rod 7 is operated on the side of baffle 11, and the operation danger is reduced.

[0023] Working principle: for this kind of metal powder extrusion screw rod, first, the staff places the parts of the extrusion screw rod on the horizontal stable working surface, and then inserts the inserted rod 7 from the insertion hole 6 of the grinding section 3, when the inserted rod 7 is symmetrically inserted and the screw column 8 part travels to the threaded hole 4 of the crushing section 2, it needs to be rotated and connected and fastened with the threaded hole 4, and then the other end of the inserted rod 7 is stretched out from the threaded hole 5 of the connecting feeding section 1, and the staff uses the nut sleeve 9 with reverse threads inside and outside to fasten the inserted rod 7 in the threaded hole 5, so that the inserted rod 7 can play a better connection and fastening function in the connecting feeding section 1, the crushing section 2 and the grinding section 3, and then the installed extrusion screw rod is used to transport materials through the connecting feeding section 1, crushes large materials through the crushing section 2, grinds the small materials produced by the crushing section 2 into powder through the grinding section 3, and finally when the extrusion screw rod is damaged and affects the work, the extrusion screw rod can be placed on the placement seat 10, the partially extracted inserted rod 7 is extracted from the slot 12, and the extrusion screw rod is separated from the inserted rod 7 through the baffle 11, so that the staff is away from the extrusion screw rod when the inserted rod 7 is extracted, improving the work stability and safety.

[0024] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A metal powder extrusion screw characterized by, The utility model relates to a kind of multi-section feeders, including: Connecting feeding section (1), one end of the connecting feeding section (1) is connected with crushing section (2), the other end of the crushing section (2) is connected with grinding section (3), threaded hole (4) is opened in the outer wall of the one end of the connecting feeding section (1) away from the crushing section (2), threaded hole (5) is opened in the middle of the crushing section (2), and insertion hole (6) is opened in the outer wall of the one end of the grinding section (3) away from the crushing section (2), and insertion hole (6) penetrates to the outer wall of the one end of the grinding section (3) close to the crushing section (2); Plug rod (7) is arranged in the inside of the insertion hole (6), threaded stud (8) is arranged in the middle of the plug rod (7), threaded stud (8) is arranged in the inside of the threaded hole (4), and nut sleeve (9) is sleeved on the outer wall of the one end of the plug rod (7) away from the insertion hole (6), and nut sleeve (9) is connected to the inside of the threaded hole (4).

2. A metal powder extrusion screw as claimed in claim 1, characterized in that: The middle axis of the connecting feeding section (1), the crushing section (2) and the grinding section (3) coincide, and the connecting feeding section (1) is connected by threaded hole (4) and threaded hole (5) and the crushing section (2) to form communication connection, and the crushing section (2) is connected by threaded hole (4) and insertion hole (6) and the grinding section (3) to form communication connection.

3. A metal powder extrusion screw as defined in claim 1, characterized in that: The insertion hole (6) is symmetrically arranged about the middle axis of the grinding section (3), the plug rod (7) is connected by the insertion hole (6) and the grinding section (3) to form clamping connection, and the plug rod (7) is connected by threaded stud (8) and threaded hole (5) and the crushing section (2) to form threaded connection.

4. A metal powder extrusion screw as defined in claim 1, characterized in that: The nut sleeve (9) is connected by threaded hole (4) and the connecting feeding section (1) to form threaded connection, the nut sleeve (9) is connected by threaded connection between the plug rod (7), and the connecting feeding section (1), the crushing section (2) and the grinding section (3) are connected by the plug rod (7) and the nut sleeve (9) to form detachable structure.

5. A metal powder extrusion screw as defined in claim 1, characterized in that: The lower end of the connecting feeding section (1) is provided with a placing seat (10), the outer wall of one end of the placing seat (10) is fixed with a baffle (11), and the upper end of the outer wall of the baffle (11) is provided with a slot (12).

6. A metal powder extrusion screw as claimed in claim 5, characterized in that: The placing seat (10) is connected by the baffle (11) and the connecting feeding section (1) to form a semi-enclosed structure, and the slot (12) is symmetrically arranged about the middle axis of the baffle (11).

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