Impact crusher composite hammer head structure

Abstract

The utility model relates to impact breaker composite hammer head technical field discloses an impact breaker composite hammer head structure, including the crushing end, the top of crushing end is provided with fixed end, the top inside fixed end is provided with mounting hole. This impact breaker composite hammer head structure is provided with mounting pad, reservation groove, first fixed hole, mounting bolt and protective sleeve, and the protective sleeve can protect the mounting hole, prevent the mounting hole from wearing and affecting use, need when the protective sleeve is fixed make the first fixed hole on mounting pad and the first fixed hole inside reservation groove alignment, after alignment, the mounting bolt is screwed into the inside first fixed hole and mounting pad is fixed, since mounting pad is installed at the front and rear ends of protective sleeve, so the protective sleeve can be fixed in position by fixing mounting pad, solve the problem that the mounting hole on the hammer head is easy to wear, inconvenient to protect the mounting hole, easy to affect the use of hammer head.

Description

Technical Field

[0001] This utility model relates to the field of composite hammerhead technology for impact crushers, specifically a composite hammerhead structure for impact crushers. Background Technology

[0002] Impact crushers play an irreplaceable role in various fine crushing equipment for ores, and are currently the most effective, practical, and reliable stone crushing machines. Impact crushers are widely used in various metal and non-metal mines, cement, refractory materials, abrasives, glass raw materials, building aggregates, manufactured sand, metallurgy, and other industries. The hammerhead is essential when using an impact crusher.

[0003] Some composite hammer structures in impact crushers still have some problems in use. For example, the hammers need to be installed through mounting holes, but these mounting holes are easily worn and difficult to protect, which can affect the use of the hammers.

[0004] Therefore, we propose a composite hammer structure for an impact crusher to improve upon the above-mentioned problems. Utility Model Content

[0005] The purpose of this utility model is to provide a composite hammer structure for an impact crusher, so as to solve the problem mentioned in the background art that the mounting holes on the hammer are easily worn, making it inconvenient to protect the mounting holes and easily affecting the use of the hammer.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a composite hammer structure for an impact crusher, comprising a crushing end, a fixed end provided at the top of the crushing end, an installation hole provided at the top of the fixed end, and a protective structure for protecting the installation hole provided inside the installation hole;

[0007] The protective structure includes a mounting pad, a first fixing hole, and a protective sleeve. The front and rear ends of the top of the fixed end are provided with reserved grooves. The protective sleeve is provided inside the mounting hole. The mounting pad is fixedly connected to the front and rear ends of the protective sleeve. The mounting pad and the reserved groove are respectively provided with first fixing holes. The first fixing holes are provided with mounting bolts.

[0008] As a further technical solution of this utility model, the protective sleeve is disposed inside the mounting hole, and the mounting pad is disposed inside the reserved groove.

[0009] As a further technical solution of this utility model, the reserved groove is provided at both ends of the mounting hole, and the mounting hole and the mounting pad are fixed by the first fixing hole and the mounting bolt.

[0010] As a further technical solution of this utility model, a protective layer is provided on the outside of the crushing end and the fixing end. The protective layer includes a manganese phosphate coating and a Teflon coating. The Teflon coating is applied to the outside of the crushing end and the fixing end, and the manganese phosphate coating is applied to the outside of the Teflon coating.

[0011] As a further technical solution of this utility model, a threaded block is fixedly connected at the middle position of the bottom end of the fixed end, a threaded groove is opened at the middle position of the top end inside the crushing end, and a second fixing hole is opened on the top end of the threaded block and the top end inside the crushing end, and a fixing bolt is provided inside the second fixing hole.

[0012] As a further technical solution of this utility model, the threaded block has external threads machined on its exterior, the threaded groove has internal threads machined on its interior, the threaded block and the threaded groove are threadedly connected, and the fixing bolt and the second fixing hole cooperate with each other.

[0013] Compared with the prior art, the beneficial effects of this utility model are: the composite hammer structure of the impact crusher not only facilitates the protection of the mounting hole and increases the wear resistance of the hammer, but also facilitates the replacement of the crushing end;

[0014] (1) By setting up an installation pad, a reserved groove, a first fixing hole, an installation bolt and a protective sleeve, the protective sleeve can protect the installation hole and prevent the installation hole from being severely worn and affecting its use. When the protective sleeve needs to be fixed, the first fixing hole on the installation pad should be aligned with the first fixing hole inside the reserved groove. After alignment, the installation bolt should be screwed into the first fixing hole to fix the installation pad. Since the installation pad is installed at both ends of the protective sleeve, fixing the installation pad can limit and fix the protective sleeve.

[0015] (2) By setting a protective layer, a manganese phosphate coating and a Teflon coating, the manganese phosphate coating not only has certain wear resistance but also corrosion resistance. The manganese phosphate coating applied to the outside of the crushing end and the fixed end can protect the crushing end and the fixed end and increase the service life of the hammer. The Teflon coating can further improve the wear resistance of the crushing end and the fixed end.

[0016] (3) By setting threaded blocks, threaded grooves, fixing bolts and second fixing holes, when it is necessary to disassemble and replace the crushing end, the fixing bolts are unscrewed from the inside of the second fixing hole, and then the crushing end is rotated. Since the threaded block and threaded groove at the top of the crushing end are threadedly connected, rotating the crushing end can disassemble the crushing end from the bottom of the fixing end. Disassembling the crushing end makes it convenient to replace the crushing end. The fixing bolts and second fixing holes can further fix the crushing end. Attached Figure Description

[0017] Figure 1This is a frontal cross-sectional view of the present invention.

[0018] Figure 2 This is a side view sectional structural diagram of the present invention;

[0019] Figure 3 This is a partial enlarged cross-sectional view of the crushing end of this utility model.

[0020] Figure 4 For the present utility model Figure 2 Enlarged cross-sectional view of point A in the middle.

[0021] In the diagram: 1. Crushing end; 2. Fixing end; 3. Mounting hole; 4. Mounting pad; 5. Reserved groove; 6. First fixing hole; 7. Threaded block; 8. Threaded groove; 9. Fixing bolt; 10. Second fixing hole; 11. Protective layer; 12. Manganese phosphate coating; 13. Teflon coating; 14. Mounting bolt; 15. Protective sleeve. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-4 The present invention provides an embodiment of a composite hammer structure for an impact crusher, comprising a crushing end 1, a fixed end 2 at the top of the crushing end 1, an installation hole 3 at the top of the fixed end 2, and a protective structure for protecting the installation hole 3 inside the installation hole 3.

[0024] The protective structure includes a mounting pad 4, a first fixing hole 6, and a protective sleeve 15. The front and rear ends of the top of the fixed end 2 are provided with reserved grooves 5. The protective sleeve 15 is provided inside the mounting hole 3. The mounting pad 4 is fixedly connected to the front and rear ends of the protective sleeve 15. The first fixing hole 6 is provided inside the mounting pad 4 and the reserved groove 5 respectively. The mounting bolt 14 is provided inside the first fixing hole 6.

[0025] The protective sleeve 15 is set inside the mounting hole 3, and the mounting pad 4 is set inside the reserved groove 5. The reserved groove 5 is set at both ends of the mounting hole 3. The mounting hole 3 and the mounting pad 4 are fixed by the first fixing hole 6 and the mounting bolt 14.

[0026] Specifically, such as Figure 1 , Figure 2 and Figure 4As shown, the protective sleeve 15 can protect the mounting hole 3 and prevent the mounting hole 3 from being severely worn and affecting its use. When the protective sleeve 15 needs to be fixed, the first fixing hole 6 on the mounting pad 4 should be aligned with the first fixing hole 6 inside the reserved groove 5. After alignment, the mounting bolt 14 should be screwed into the first fixing hole 6 to fix the mounting pad 4. Since the mounting pad 4 is installed at both ends of the protective sleeve 15, fixing the mounting pad 4 can limit and fix the protective sleeve 15.

[0027] A protective layer 11 is provided on the outside of the crushing end 1 and the fixed end 2. The protective layer 11 includes a manganese phosphate coating 12 and a Teflon coating 13. The Teflon coating 13 is coated on the outside of the crushing end 1 and the fixed end 2, and the manganese phosphate coating 12 is coated on the outside of the Teflon coating 13.

[0028] Specifically, such as Figure 1 and Figure 3 As shown, the manganese phosphate coating 12 not only has certain wear resistance but also corrosion resistance. Applying the manganese phosphate coating 12 to the outside of the crushing end 1 and the fixed end 2 can protect the crushing end 1 and the fixed end 2 and increase the service life of the hammer. The Teflon coating 13 can further improve the wear resistance of the crushing end 1 and the fixed end 2.

[0029] A threaded block 7 is fixedly connected at the middle position of the bottom end of the fixed end 2. A threaded groove 8 is opened at the middle position of the top end inside the crushing end 1. A second fixing hole 10 is opened at the top end inside the threaded block 7 and the crushing end 1 respectively. A fixing bolt 9 is installed inside the second fixing hole 10. The threaded block 7 is machined with external threads on the outside and the threaded groove 8 is machined with internal threads on the inside. The threaded block 7 and the threaded groove 8 are threadedly connected. The fixing bolt 9 and the second fixing hole 10 cooperate with each other.

[0030] Specifically, such as Figure 1 and Figure 2 As shown, when it is necessary to disassemble and replace the crushing end 1, unscrew the fixing bolt 9 from the inside of the second fixing hole 10, and then rotate the crushing end 1. Since the threaded block 7 and the threaded groove 8 at the top of the inside of the crushing end 1 are threadedly connected, rotating the crushing end 1 can disassemble the crushing end 1 from the bottom of the fixing end 2. Disassembling the crushing end 1 makes it convenient to replace the crushing end 1. The fixing bolt 9 and the second fixing hole 10 can further fix the crushing end 1.

[0031] Working Principle: In use, the manganese phosphate coating 12 of this invention not only possesses certain wear resistance but also corrosion resistance. Applying the manganese phosphate coating 12 to the exterior of the crushing end 1 and the fixed end 2 protects them and increases the service life of the hammer. The Teflon coating 13 further enhances the wear resistance of the crushing end 1 and the fixed end 2. The protective sleeve 15 protects the mounting hole 3, preventing severe wear that could affect its use. When fixing the protective sleeve 15, align the first fixing hole 6 on the mounting pad 4 with the first fixing hole 6 inside the reserved groove 5. After alignment, tighten the mounting bolts. 14. Screw the mounting pad 4 into the first fixing hole 6 to fix it. Since the mounting pad 4 is installed at both ends of the protective sleeve 15, fixing the mounting pad 4 can limit and fix the protective sleeve 15. When it is necessary to disassemble and replace the crushing end 1, unscrew the fixing bolt 9 from the inside of the second fixing hole 10, and then rotate the crushing end 1. Since the threaded block 7 and the threaded groove 8 at the top of the inside of the crushing end 1 are threadedly connected, rotating the crushing end 1 can make the crushing end 1 disassembled from the bottom of the fixing end 2. Disassembling the crushing end 1 can facilitate the replacement of the crushing end 1. The fixing bolt 9 and the second fixing hole 10 can further fix the crushing end 1.

[0032] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A composite hammer head structure for an impact crusher comprising a crushing end (1) characterised in that: The top end of the crushing end (1) is provided with a fixed end (2), and the top end of the fixed end (2) is provided with an installation hole (3), and the inside of the installation hole (3) is provided with a protective structure to protect the installation hole (3); The protective structure includes a mounting pad (4), a first fixing hole (6), and a protective sleeve (15). The front and rear ends of the top of the fixed end (2) are provided with reserved grooves (5). The protective sleeve (15) is provided inside the mounting hole (3). The mounting pad (4) is fixedly connected to the front and rear ends of the protective sleeve (15). The first fixing hole (6) is provided inside the mounting pad (4) and the reserved groove (5), respectively. The mounting bolt (14) is provided inside the first fixing hole (6).

2. A composite hammer head structure for an impact crusher as claimed in claim 1, characterized in that: The protective sleeve (15) is located inside the mounting hole (3), and the mounting pad (4) is located inside the reserved groove (5).

3. The impact crusher composite hammer head structure according to claim 1, characterized in that: The reserved groove (5) is set at both ends of the mounting hole (3), and the mounting hole (3) and the mounting pad (4) are fixed by the first fixing hole (6) and the mounting bolt (14).

4. The impact crusher composite hammer head structure of claim 1, wherein: The crushing end (1) and the fixed end (2) are provided with a protective layer (11). The protective layer (11) includes a manganese phosphate coating (12) and a Teflon coating (13). The Teflon coating (13) is coated on the outside of the crushing end (1) and the fixed end (2), and the manganese phosphate coating (12) is coated on the outside of the Teflon coating (13).

5. The impact crusher composite hammer head structure of claim 1, wherein: A threaded block (7) is fixedly connected at the middle position of the bottom end of the fixed end (2), and a threaded groove (8) is opened at the middle position of the top end inside the crushing end (1). A second fixing hole (10) is opened at the top end inside the threaded block (7) and the crushing end (1), respectively. A fixing bolt (9) is provided inside the second fixing hole (10).

6. A composite hammer head structure for an impact crusher as claimed in claim 5, characterised in that: The threaded block (7) has external threads machined on its exterior, and the threaded groove (8) has internal threads machined on its interior. The threaded block (7) and the threaded groove (8) are threaded together, and the fixing bolt (9) and the second fixing hole (10) cooperate with each other.

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