Multi-alloy composite centrifugal hammer head

Abstract

The utility model belongs to the technical field of centrifugal hammerheads, and particularly relates to a multi-alloy composite centrifugal hammerhead which comprises a fixing plate and a locking assembly, a connecting device is arranged at the bottom of the fixing plate, a hammerhead is arranged at the bottom of the connecting device, and the hammerhead slides into the outer side of the connecting device through the arranged locking assembly. Through cooperation of a rotary knob, a lead screw limiting rod, a lower pressing plate, a stress block and a locking block, the locking block slides into the inner side of a locking groove, so that the connecting device and the hammer head are connected and locked more conveniently and quickly, and the connecting device and the hammer head can be cushioned through a first damping rubber pad after being connected; by arranging the limiting assembly, the connecting device and the hammerhead which are connected are fixed to the bottom of the fixing plate through the connecting flange, the ratchet wheel can be locked through the pawl, the lead screw and the lower pressing plate are not prone to moving in the using process of the hammerhead, and the connecting device and the hammerhead are connected more stably.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifugal hammer heads, in particular to a multi-alloy composite centrifugal hammer head. Background Art

[0002] Centrifugal casting is a casting method that pours liquid metal into a rotating mold, allowing the liquid metal to fill the mold and solidify under the action of centrifugal force. To achieve the above process, a centrifugal casting machine must be used to create conditions for the mold to rotate. Steel balls and cast balls made by vertical centrifugal casting machines are commonly used according to the different spatial positions of the mold's rotating axis. Process: mold assembly-start-up-preheating mold-coating-alloy quantitative-casting-boiling water cooling-casting out of the mold-cleaning castings. After manufacturing, the multi-alloy composite hammer is a key component of a large hammer crusher. It is widely used in crushing industries such as cement, mining, transportation, building materials, power plants, and metallurgy. It is a vulnerable part that consumes a large amount of metal materials every year due to wear. The wear resistance of the crusher hammer and its safety of use are important indicators for evaluating the performance of the hammer. With the development of the crushing machinery industry, more and more problems have emerged one after another, such as the expansion of the crushing field and the large-scale crushing equipment, which have put forward higher requirements on the materials and preparation processes of wear-resistant hammers;

[0003] Announcement No. CN205761434U discloses a multi-alloy composite centrifugal hammer head, comprising a wear-resistant alloy steel hammer handle and a high-chrome wear-resistant alloy hammer head, wherein the upper end of the wear-resistant alloy steel hammer handle is provided with a mounting hole, the lower end side surface of the wear-resistant alloy steel hammer handle is provided with a sawtooth structure, and the lower end side surface of the wear-resistant alloy steel hammer handle is also provided with a through hole;

[0004] When it is in use, the hammer head will vibrate, causing the hammer head and its connection to become loose, and during long-term use, its shock-absorbing effect is good, so that a gap will be generated between the hammer head and the connecting device, making the connection loose, so that the hammer head is easy to detach during use, which reduces safety. Therefore, we propose a multi-alloy composite centrifugal hammer head. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a multi-alloy composite centrifugal hammer head.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A multi-alloy composite centrifugal hammer head, comprising a fixing plate and a locking assembly, wherein a connecting device is arranged at the bottom of the fixing plate, and a hammer head is arranged at the bottom of the connecting device;

[0008] The locking assembly includes a sliding rod, a locking block, a spring, a force block and a locking groove, the sliding rod is slidably mounted on the four inner corners of the connecting device, the locking block is fixedly mounted on the outside of one end of the sliding rod, the spring is fixedly mounted on the four inner corners of the connecting device, the force block is fixedly mounted on the outside of the other end of the sliding rod, one end of the spring is fixedly mounted on one side of the force block, and the locking groove is provided at the four inner corners of the hammer head; the locking assembly also includes a control mechanism, the control structure is mounted on the connecting device; a limit assembly, the limit assembly is mounted on the fixing plate and the connecting device.

[0009] Preferably, the locking assembly includes a screw rod, a limit rod, a lower pressure plate and a knob, the screw rod is rotatably installed on the inner side of the connecting device, the limit rod is slidably installed on the left and right sides of the inner side of the connecting device, the lower pressure plate is fixedly installed on the bottom of the limit rod, the lower pressure plate is rotatably installed on the bottom of the screw rod, and the knob is fixedly installed on the top of the screw rod.

[0010] By adopting the above technical solution, the lower pressure plate can drive multiple force-bearing blocks to perform force-bearing movement. When the connecting device and the hammer head are disassembled, the spring can drive the locking block and the force-bearing block to move to the initial position, so as to facilitate the next installation.

[0011] Preferably, the limiting assembly includes a first shock-absorbing rubber pad, a connecting flange, a second shock-absorbing rubber pad, a ratchet, a mounting groove and a pawl, the first shock-absorbing rubber pad at the bottom is fixedly installed on the inner side of the hammer head, the first shock-absorbing rubber pad at the top is fixedly installed on the bottom of the connecting device, the connecting flange is fixedly installed on the outer side of the connecting device, the second shock-absorbing rubber pad is fixedly installed on the top of the connecting flange, the ratchet is fixedly installed on the outer side of the screw rod, the mounting groove is opened at the bottom of the fixing plate, and the pawl is fixedly installed on the inner side of the mounting groove.

[0012] By adopting the above technical solution, the pawl can easily limit the ratchet wheel, making it difficult for the ratchet wheel and the screw rod to rotate, thereby making it difficult for the lower pressure plate to move.

[0013] Preferably, threaded holes are formed on the tops of the fixing plate, the hammer head, the connecting flange and the second shock-absorbing rubber pad, and fixing bolts are threadedly installed on the inner sides of the threaded holes.

[0014] By adopting the above technical solution, the threaded holes facilitate the fixing bolts to install multiple components, so that the device is connected more tightly.

[0015] Preferably, a movable groove and a receiving groove are provided on the inner side of the connecting device, and the locking block is slidably mounted on the inner side of the receiving groove.

[0016] By adopting the above technical solution, the movable groove facilitates the coordinated movement of the lower pressure plate and the force-bearing block, and the storage groove facilitates the storage of the locking block, so that the connecting device and the hammer head are not likely to interfere with the locking block when sliding.

[0017] Preferably, a slide groove and a threaded hole are provided on the top of the connecting device, the screw rod is engaged with the threaded hole, and the limiting rod is slidably installed on the inner side of the slide groove.

[0018] By adopting the above technical solution, the screw rod can drive the lower pressing plate to move under force after rotation, and the limiting rod can limit the lower pressing plate so that the lower pressing plate can only slide after being forced.

[0019] Preferably, the force-bearing block is in the shape of a triangle, and inclined surfaces are arranged at four corners of the bottom of the lower pressure plate, and the force-bearing block abuts against the corresponding inclined surfaces.

[0020] By adopting the above technical solution, the lower pressure plate can drive multiple force-bearing blocks to perform force-bearing movement through multiple inclined surfaces after being lowered, so that the force-bearing blocks can drive the sliding rod and the locking block to slide after being forced.

[0021] Preferably, the mounting groove is in a convex shape, the outer diameter of the knob is the same as the smallest inner diameter of the mounting groove, the outer diameter of the ratchet is the same as the largest inner diameter of the mounting groove, and the ratchet is meshed with the pawl.

[0022] By adopting the above technical solution, the knob and the ratchet can slide into the inner side of the installation groove, so that the bottom of the fixing plate and the top of the connecting device can fit together, making the connection tighter and less likely to produce gaps.

[0023] Compared with the prior art, the beneficial effects of the utility model are:

[0024] (1) The utility model provides a multi-alloy composite centrifugal hammer head, through the provided locking assembly, the hammer head is slid into the outer side of the connecting device, and through the cooperation of the knob, the screw rod limit rod, the lower pressure plate, the force block, and the locking block, the locking block is slid into the inner side of the locking groove, so that the connection and the hammer head are connected and locked more conveniently and quickly, and the connecting device and the hammer head can be cushioned by the first shock-absorbing rubber pad after being connected;

[0025] (2) The utility model provides a multi-alloy composite centrifugal hammer head, which, through the setting of a limit assembly, fixes the connected connecting device and the hammer head to the bottom of the fixing plate through the connecting flange, and the second shock-absorbing rubber pad can provide shock absorption. The knob can slide into the inner side of the mounting groove during the connection process, and the pawl can lock the ratchet wheel, so that the screw rod and the lower pressure plate are not easy to move during the use of the hammer head, and the connection between the connecting device and the hammer head is relatively stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1This is a three-dimensional structural schematic diagram of a multi-alloy composite centrifugal hammer head proposed by the utility model;

[0027] Figure 2 This is a schematic diagram of the cross-sectional structure of a multi-alloy composite centrifugal hammer head proposed by the utility model;

[0028] Figure 3 This is a schematic diagram of the cross-sectional structure of a multi-alloy composite centrifugal hammer head proposed by the utility model;

[0029] Figure 4 It is a partial three-dimensional structural schematic diagram of a multi-alloy composite centrifugal hammer head proposed by the utility model.

[0030] In the figure: 1. fixing plate; 2. connecting device; 3. hammer head; 4. sliding rod; 5. locking block; 6. spring; 7. force block; 8. locking groove; 9. screw rod; 10. limit rod; 11. lower pressure plate; 12. knob; 13. first shock-absorbing rubber pad; 14. connecting flange; 15. second shock-absorbing rubber pad; 16. ratchet; 17. mounting groove; 18. pawl. DETAILED DESCRIPTION

[0031] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] refer to Figure 1-4 , a multi-alloy composite centrifugal hammer head, comprising a fixing plate 1 and a locking assembly, a connecting device 2 is arranged at the bottom of the fixing plate 1, and a hammer head 3 is arranged at the bottom of the connecting device 2;

[0033] The locking assembly includes a slide bar 4, a locking block 5, a spring 6, a force block 7 and a locking groove 8. The slide bar 4 is slidably mounted on the four inner corners of the connecting device 2, the locking block 5 is fixedly mounted on the outside of one end of the slide bar 4, the spring 6 is fixedly mounted on the four inner corners of the connecting device 2, the force block 7 is fixedly mounted on the outside of the other end of the slide bar 4, one end of the spring 6 is fixedly mounted on one side of the force block 7, and the locking groove 8 is opened at the four inner corners of the hammer head 3; the locking assembly also includes a control mechanism, the control structure is mounted on the connecting device 2; a limit assembly, the limit assembly is mounted on the fixed plate 1 and the connecting device 2.

[0034] In this embodiment, the locking assembly includes a screw rod 9, a limit rod 10, a lower pressure plate 11 and a knob 12. The screw rod 9 is rotatably installed on the inner side of the connecting device 2, the limit rod 10 is slidably installed on the left and right sides of the inner side of the connecting device 2, the lower pressure plate 11 is fixedly installed at the bottom of the limit rod 10, the lower pressure plate 11 is rotatably installed at the bottom of the screw rod 9, and the knob 12 is fixedly installed on the top of the screw rod 9.

[0035] In this embodiment, the limiting assembly includes a first shock-absorbing rubber pad 13, a connecting flange 14, a second shock-absorbing rubber pad 15, a ratchet 16, a mounting groove 17 and a pawl 18. The first shock-absorbing rubber pad 13 at the bottom is fixedly installed on the inner side of the hammer head 3, the first shock-absorbing rubber pad 13 at the top is fixedly installed on the bottom of the connecting device 2, the connecting flange 14 is fixedly installed on the outer side of the connecting device 2, the second shock-absorbing rubber pad 15 is fixedly installed on the top of the connecting flange 14, the ratchet 16 is fixedly installed on the outer side of the screw rod 9, the mounting groove 17 is opened at the bottom of the fixing plate 1, and the pawl 18 is fixedly installed on the inner side of the mounting groove 17.

[0036] In this embodiment, threaded holes are formed on the tops of the fixing plate 1 , the hammer head 3 , the connecting flange 14 and the second shock-absorbing rubber pad 15 , and fixing bolts are threadedly installed on the inner sides of the threaded holes.

[0037] In this embodiment, a movable groove and a receiving groove are provided on the inner side of the connecting device 2, and the locking block 5 is slidably installed on the inner side of the receiving groove.

[0038] In this embodiment, a slide groove and a threaded hole are provided on the top of the connecting device 2, the screw rod 9 is engaged with the threaded hole, and the limiting rod 10 is slidably installed on the inner side of the slide groove.

[0039] In this embodiment, the force-bearing block 7 is in the shape of a triangle, and inclined surfaces are arranged at the four corners of the bottom of the lower pressing plate 11 , and the force-bearing block 7 abuts against the corresponding inclined surfaces.

[0040] In this embodiment, the shape of the mounting groove 17 is a convex shape, the outer diameter of the knob 12 is the same as the smallest inner diameter of the mounting groove 17, the outer diameter of the ratchet 16 is the same as the largest inner diameter of the mounting groove 17, and the ratchet 16 is meshed with the pawl 18.

[0041] The specific operation is to slide the hammer head 3 into the outer side of the connecting device 2, and the control knob 12 drives the screw rod 9 to rotate, so that after the screw rod 9 is rotated, the lower pressure plate 11 can be lowered through the cooperation of the limit rod 10, so that the lower pressure plate 11 is abutted against the force block 7, so that the force block 7 drives the sliding rod 4 and the locking block 5 to slide, and the locking block 5 slides into the inner side of the locking groove 8, so that the connection and locking of the connecting device 2 and the hammer head 3 are more convenient and quick, and the connecting device 2 and the hammer head 3 can be cushioned by the first shock-absorbing rubber pad 13 after connection; the connected connecting device 2 and the hammer head 3 are fixed to the bottom of the fixing plate 1 through the connecting flange 14, and the second shock-absorbing rubber pad 15 can be cushioned, the knob 12 can slide into the inner side of the mounting groove 17 during the connection process, and the pawl 18 can lock the ratchet 16, so that the screw rod 9 and the lower pressure plate 11 are not easy to move during use of the hammer head 3, so that the connection between the connecting device 2 and the hammer head 3 is more stable.

[0042] The above is a detailed introduction to a multi-alloy composite centrifugal hammer head provided by the utility model. This article uses specific embodiments to illustrate the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A multi-alloy composite centrifugal hammer head, characterized in that: include: A fixing plate (1) and a locking assembly, wherein a connecting device (2) is provided at the bottom of the fixing plate (1), and a hammer head (3) is provided at the bottom of the connecting device (2); The locking assembly comprises a slide bar (4), a locking block (5), a spring (6), a force block (7) and a locking groove (8); the slide bar (4) is slidably mounted on the four inner corners of the connecting device (2); the locking block (5) is fixedly mounted on the outer side of one end of the slide bar (4); the spring (6) is fixedly mounted on the four inner corners of the connecting device (2); the force block (7) is fixedly mounted on the outer side of the other end of the slide bar (4); one end of the spring (6) is fixedly mounted on one side of the force block (7); and the locking groove (8) is provided at the four inner corners of the hammer head (3); The locking assembly further comprises a control mechanism, wherein the control mechanism is mounted on the connecting device (2); A limit assembly, wherein the limit assembly is mounted on the fixing plate (1) and the connecting device (2).

2. The multi-alloy composite centrifugal hammer according to claim 1, characterized in that: The locking assembly comprises a screw rod (9), a limiting rod (10), a lower pressure plate (11) and a knob (12); the screw rod (9) is rotatably mounted on the inner side of the connecting device (2); the limiting rod (10) is slidably mounted on the left and right sides of the inner side of the connecting device (2); the lower pressure plate (11) is fixedly mounted on the bottom of the limiting rod (10); the lower pressure plate (11) is rotatably mounted on the bottom of the screw rod (9); and the knob (12) is fixedly mounted on the top of the screw rod (9).

3. The multi-alloy composite centrifugal hammer according to claim 1, characterized in that: The limiting assembly comprises a first shock-absorbing rubber pad (13), a connecting flange (14), a second shock-absorbing rubber pad (15), a ratchet (16), a mounting groove (17) and a pawl (18); the first shock-absorbing rubber pad (13) is fixedly mounted on the inner side of the hammer head (3) at the bottom, the first shock-absorbing rubber pad (13) is fixedly mounted on the bottom of the connecting device (2) at the top, the connecting flange (14) is fixedly mounted on the outer side of the connecting device (2), the second shock-absorbing rubber pad (15) is fixedly mounted on the top of the connecting flange (14), the ratchet (16) is fixedly mounted on the outer side of the screw rod (9), the mounting groove (17) is opened at the bottom of the fixing plate (1), and the pawl (18) is fixedly mounted on the inner side of the mounting groove (17).

4. The multi-alloy composite centrifugal hammer according to claim 1, characterized in that: The fixing plate (1), the hammer head (3), the connecting flange (14) and the top of the second shock-absorbing rubber pad (15) are provided with threaded holes, and fixing bolts are threadedly installed inside the threaded holes.

5. The multi-alloy composite centrifugal hammer according to claim 1, characterized in that: A movable groove and a receiving groove are provided on the inner side of the connecting device (2), and the locking block (5) is slidably mounted on the inner side of the receiving groove.

6. The multi-alloy composite centrifugal hammer according to claim 2, characterized in that: A slide groove and a threaded hole are provided on the top of the connecting device (2), the screw rod (9) is meshed with the threaded hole, and the limit rod (10) is slidably mounted on the inner side of the slide groove.

7. The multi-alloy composite centrifugal hammer according to claim 2, characterized in that: The force-bearing block (7) is in the shape of a triangle, and inclined surfaces are arranged at four corners of the bottom of the lower pressing plate (11), and the force-bearing block (7) abuts against the corresponding inclined surfaces.

8. The multi-alloy composite centrifugal hammer according to claim 3, characterized in that: The shape of the mounting groove (17) is a convex letter shape, the outer diameter of the knob (12) is the same as the inner diameter of the mounting groove (17) at its smallest point, the outer diameter of the ratchet (16) is the same as the inner diameter of the mounting groove (17) at its largest point, and the ratchet (16) is meshed with the pawl (18).

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