Clamping assembly for fixing crusher cutter

Abstract

The utility model relates to the technical field of crushers, in particular to a clamping component for fixing a cutter of a crusher, which comprises a mounting shaft and a cutter mounted on the mounting shaft. And the clamping assemblies are installed at the two ends of the installation shaft and used for limiting the position of the cutter, and each clamping assembly is composed of a fixing sleeve, a positioning sleeve and a gasket. According to the device, through positioning of the positioning sleeve in the mounting groove, sleeving of the fixing sleeve, attachment of the positioning plate and fastening of bolts, a cutter is fixed from multiple directions and layers, the stability of the device is improved, the positioning sleeve is composed of two semicircular rings, mounting and dismounting of a user are facilitated, the working efficiency of workers is improved, and the device is suitable for popularization and application. Due to the arrangement of the gasket, direct hard contact between the cutter and the positioning sleeve is effectively avoided, the service life of the cutter is prolonged, the structure of the clamping assembly can be suitable for various types of crusher cutters, and the application range of the device is widened.

Description

TECHNICAL FIELD

[0001] The utility model relates to a crusher technical field especially is related to a kind of clamping assembly for fixing crusher cutter. BACKGROUND

[0002] In the field of material crushing processing, the crusher plays a very key role, which crushes various materials by cutter to meet different production needs. However, the existing crusher is troubled in cutter installation link.

[0003] In the cutter installation and dismounting process, the traditional installation mode often relies on relatively complex mechanical structure and connection mode. When cutter needs to be dismounted for replacement or maintenance, it also faces tedious dismounting work, which often leads to long dismounting process, seriously affecting the maintenance efficiency and normal operation time of the crusher. At the same time, the stability of the existing crusher cutter fixing mechanism also has obvious defects. Since cutter needs to bear huge impact force and vibration force during crushing operation, some fixing mechanisms fail to fully consider the influence of these mechanical factors in design. Its structure may be relatively simple, only relying on basic clamping or positioning mode, lacking effective multi-dimensional constraint of cutter. Under the impact of long-time high-intensity crushing operation, cutter is prone to looseness, displacement or even falling off. This not only leads to a big discount in crushing effect, uneven material crushing, affecting product quality, but also loose cutter may collide and rub with other parts inside the crusher, causing equipment failure, increasing equipment maintenance cost, reducing the overall reliability and service life of the equipment, and seriously may even cause safety accidents, threatening the personal safety of operating personnel.

[0004] In summary, the existing crusher cutter installation technology urgently needs a cutter fixing and clamping assembly with high strength stability and convenient installation and dismounting to overcome the many defects existing at present and improve the working efficiency, reliability and safety of the crusher. INVENTION CONTENTS

[0005] The utility model provides a kind of clamping assembly for fixing crusher cutter according to the deficiency of prior art, effectively solve the technical defects existing when the cutter of the existing crusher is fixed.

[0006] To solve the above problems, the technical scheme adopted by the utility model is: a kind of clamping assembly for fixing crusher cutter, including installation shaft, further including cutter, the cutter is installed on installation shaft;Clamping assembly, the clamping assembly is installed at the both ends of installation shaft, for limiting the position of cutter, the clamping assembly is composed of fixed sleeve, positioning sleeve and washer, the both ends of installation shaft are provided with installation slot, the positioning sleeve is installed in installation slot, the positioning sleeve is composed of two semicircular rings, the outer surface of installation shaft is provided with section.

[0007] Preferably, the two half-rings of the positioning sleeve are respectively composed of an embedded part and an extended part, and the two half-rings are detachably mounted in the mounting groove through the embedded part.

[0008] Preferably, the fixing sleeve is sleeved on the mounting shaft, the side edge of the fixing sleeve abuts against the extended part of the positioning sleeve, the inner wall of the side away from the positioning sleeve of the fixing sleeve is fixedly connected with a positioning plate, and the side wall of the positioning plate is matched with the section of the mounting shaft.

[0009] Preferably, the grommet is sleeved on the mounting shaft, and the two end faces of the grommet are matched with the tool and the extended part of the positioning sleeve respectively.

[0010] Preferably, the outer surfaces of the fixing sleeve, the positioning sleeve and the grommet are uniformly provided with threaded holes, and the inner walls of the threaded holes are threadedly connected with bolts.

[0011] Preferably, the inner parts of the two half-rings of the positioning sleeve are respectively provided with receiving grooves, the inner walls of the receiving grooves are slidably connected with connecting pieces, the distal ends of the connecting pieces are fixedly connected with hinge joints, and the two half-rings are hinged through the hinge joints.

[0012] Preferably, the receiving groove is composed of a sliding channel and a receiving cavity, a partition plate is arranged at the connection position of the sliding channel and the receiving cavity, the end away from the hinge joint of the connecting piece is provided with a baffle matched with the partition plate, the baffle is used for avoiding the falling of the connecting piece, and the receiving cavity is used for storing the hinge joint.

[0013] The utility model discloses novel structure, clever idea, simple and convenient operation has the following advantages compared with prior art:

[0014] 1, the device is fixed through the positioning of the positioning sleeve in the mounting groove, the sleeving of the fixing sleeve and the matching of the positioning plate and the fastening of the bolt, and the tool is fixed from multiple directions and levels, and the multi-component cooperative fixing mode makes the tool fixed on the mounting shaft very stable, can bear the relatively great impact force and vibration force generated when the crusher works, reduces the tool loosening or displacement condition, thereby improves the working efficiency and service life of the crusher, and the stability of the device is improved.

[0015] 2, the positioning sleeve of the device is composed of two half-rings and is hinged through a hinge joint, and when installing and dismounting, the half-rings can be conveniently opened and closed, the positioning sleeve can be conveniently installed into the mounting groove or taken out from the mounting groove, the installation and dismounting of the user are facilitated, and the working efficiency of the worker is improved.

[0016] 3、The device effectively avoids the direct hard contact between the cutter and the positioning sleeve through the setting of the gasket. In the working process of the crusher, when impact force is transmitted, the gasket can play a buffering role, reducing the wear of the cutter and the positioning sleeve. At the same time, the uniform distribution of pressure also helps to protect the surface of the cutter and prolong the service life of the cutter.

[0017] 4、The structure of the entire clamping assembly in the device can be applied to various types of crusher cutters, has strong universality, and expands the application range of the device. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a perspective view of a clamping assembly for fixing a crusher cutter of the utility model.

[0019] Figure 2 It is a mounting shaft structure schematic view of a clamping assembly for fixing a crusher cutter of the utility model.

[0020] Figure 3 It is an explosion of a clamping assembly for fixing a crusher cutter of the utility model. Figure 1 .

[0021] Figure 4 It is an explosion of a clamping assembly for fixing a crusher cutter of the utility model. Figure 2 .

[0022] Figure 5 It is a positioning sleeve assembly structure schematic view of a clamping assembly for fixing a crusher cutter of the utility model.

[0023] 1-mounting shaft, 2-cutter, 3-clamping assembly, 4-cross section, 5-mounting groove, 6-fixing sleeve, 7-positioning sleeve, 8-gasket, 9-bolt, 10-positioning plate, 11-embedded part, 12-extension, 13-receiving groove, 14-connector, 15-hinge. DETAILED DESCRIPTION

[0024] The following is a specific embodiment of the utility model, and the technical scheme of the utility model is further described in combination with the drawings, but the utility model is not limited to these embodiments.

[0025] Embodiment one

[0026] As Figures 1-4The utility model provides a kind of clamping assembly for fixing cutter of crusher, including installation shaft 1, still including cutter 2, the cutter 2 is installed on installation shaft 1;Clamping assembly 3, the clamping assembly 3 is installed on both ends of installation shaft 1, for limiting the position of cutter 2, the clamping assembly 3 is composed of fixed sleeve 6, positioning sleeve 7 and washer 8, both ends of the installation shaft 1 is equipped with installation groove 5, the positioning sleeve 7 is installed in installation groove 5, the positioning sleeve 7 is composed of two half rings, the outer surface of the installation shaft 1 is equipped with section 4.

[0027] The two half rings included by the positioning sleeve 7 are respectively composed of embedding part 11 and extension part 12, and the two half rings are detachably installed in the installation groove 5 through the embedding part 11.

[0028] The fixed sleeve 6 is sleeved on the installation shaft 1, the side edge of the fixed sleeve 6 abuts against the extension part 12 of the positioning sleeve 7, the inner wall of the side away from the positioning sleeve 7 of the fixed sleeve 6 is fixedly connected with a positioning plate 10, and the side wall of the positioning plate 10 is attached to the section 4 of the installation shaft 1.

[0029] The washer 8 is sleeved on the installation shaft 1, and the two end surfaces of the washer 8 are respectively attached to the cutter 2 and the extension part 12 of the positioning sleeve 7.

[0030] The outer surfaces of the fixed sleeve 6, the positioning sleeve 7 and the washer 8 are uniformly provided with threaded holes, and the inner walls of the threaded holes are threadedly connected with bolts 9.

[0031] When the device is used, first, the cutter 2 is installed on the installation shaft 1, then the washer 8 is sleeved on the installation shaft 1, then the two half rings of the positioning sleeve 7 are installed in the installation grooves 5 at both ends of the installation shaft 1 through the embedding part 11, the end surface of the extension part 12 of the half ring abuts against the washer 8, for preventing the cutter 2 from generating large displacement in the axial direction, then the fixed sleeve 6 is sleeved on the installation shaft 1, so that the side edge of the fixed sleeve 6 abuts against the other end surface of the extension part 12 of the positioning sleeve 7, and the positioning plate 10 on the inner wall of the side away from the positioning sleeve 7 of the fixed sleeve 6 is attached to the section 4 of the installation shaft 1, so that the fixed sleeve 6 can be positioned in the circumferential direction, and the positioning sleeve 7 is also pressed by the fixed sleeve 6, so that the positioning sleeve 7 is better fixed in the installation groove 5, the two end surfaces of the washer 8 are respectively attached to the cutter 2 and the extension part 12 of the positioning sleeve 7, the washer 8 plays a role of buffering and uniformly receiving force, avoids the cutter 2 and the positioning sleeve 7 from being abraded by direct contact, and also makes the pressure distribution of the positioning sleeve 7 on the cutter 2 more uniform, finally, the outer surfaces of the fixed sleeve 6, the positioning sleeve 7 and the washer 8 are uniformly provided with threaded holes, and the threaded holes are further fastened and connected by the bolts 9, after the bolts 9 are tightened, the whole clamping assembly 3 is tightly matched, the cutter 2 is fixed on the installation shaft 1, and it is ensured that the cutter 2 will not be loosened during the working process of the crusher.

[0032] Example two

[0033] As Figure 5 shown, the inner part of the positioning sleeve 7 of the two semicircular rings is respectively provided with a receiving groove 13, the inner wall of the receiving groove 13 is slidably connected with a connecting piece 14, the end of the connecting piece 14 is fixedly connected with a hinge joint, and the two semicircular rings are hinged through the hinge joint 15.

[0034] The receiving groove 13 is composed of a sliding channel and a receiving cavity, a partition plate is arranged at the connection between the sliding channel and the receiving cavity, the end of the connecting piece 14 away from the hinge joint 15 is provided with a baffle matched with the partition plate, which is used to prevent the connecting piece 14 from falling off, and the receiving cavity is used to store the hinge joint 15.

[0035] Based on example one, the two semicircular rings are detachably mounted in the mounting groove 5, and the positioning sleeve is not easy to be fixed by bolts after installation, therefore one end of the two semicircular rings is hinged through the connecting piece 14 and the hinge joint 15, which makes it possible to open the semicircular rings during installation, put them into the mounting groove 5 and then close them, and at the same time, the two semicircular rings are positioned around the end of the mounting shaft 1, after positioning is completed, the two hinge joints 15 can be respectively stored in the receiving cavity, so that the two semicircular rings are easier to install and disassemble.

[0036] In the device, the positioning sleeve 7 is positioned and fixed in the mounting groove 5, the fixing sleeve 6 is sleeved, the positioning plate 10 is attached, and the bolt 9 is fastened, so the cutter 2 is fixed from multiple directions and levels, and this multi-component cooperative fixing mode makes the cutter 2 fixed on the mounting shaft 1 very stable, can withstand the large impact force and vibration force generated during the operation of the crusher, reduces the loosening or displacement of the cutter 2, and thus improves the working efficiency and service life of the crusher.

[0037] The positioning sleeve 7 is composed of two semicircular rings and is hinged through the hinge joint 15, which can conveniently open and close the semicircular rings during installation and disassembly, and is convenient for installing the positioning sleeve 7 into the mounting groove 5 or taking it out of the mounting groove 5, which greatly saves time and labor cost for the replacement and maintenance of the cutter 2.

[0038] The setting of the gasket 8 effectively avoids the direct hard contact between the cutter 2 and the positioning sleeve 7, and when impact force is transmitted during the operation of the crusher, the gasket 8 can play a buffering role to reduce the wear of the cutter 2 and the positioning sleeve 7, and at the same time, the uniformly distributed pressure is also helpful to protect the surface of the cutter 2 and prolong the service life of the cutter 2.

[0039] The structure of the entire clamping assembly 3 in the device can be applied to various types of crusher cutters, has strong universality, and expands the application range of the device.

[0040] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or use similar ways instead, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

Claims

1. A clamping assembly for securing a crusher cutter comprising a mounting shaft (1), characterised in that: Also include the cutter (2), the cutter (2) is installed on the mounting shaft (1), clamping assembly (3), the clamping assembly (3) is installed on both ends of the mounting shaft (1), used to define the position of the cutter (2), the clamping assembly (3) is composed of fixed sleeve (6), positioning sleeve (7) and washer (8), both ends of the mounting shaft (1) is provided with mounting groove (5), the positioning sleeve (7) is installed in the mounting groove (5), the positioning sleeve (7) is composed of two semicircular rings, the outer surface of the mounting shaft (1) is provided with a cross section (4).

2. A clamp assembly for securing a crusher cutter as claimed in claim 1, characterised in that: The two semicircular rings of the positioning sleeve (7) are composed of an embedding part (11) and an extension part (12), respectively, and the two semicircular rings are detachably installed in the mounting groove (5) through the embedding part (11).

3. A clamp assembly for securing a crusher cutter as claimed in claim 2, characterised in that: The fixed sleeve (6) is sleeved on the mounting shaft (1), the side of the fixed sleeve (6) abuts against the extension part (12) of the positioning sleeve (7), and the inner wall of the side of the fixed sleeve (6) away from the positioning sleeve (7) is fixedly connected with a positioning plate (10), and the side wall of the positioning plate (10) is attached to the cross section (4) of the mounting shaft (1).

4. A clamp assembly for securing a crusher cutter as claimed in claim 3 wherein: The washer (8) is sleeved on the mounting shaft (1), and the two end faces of the washer (8) are attached to the cutter (2) and the extension part (12) of the positioning sleeve (7), respectively.

5. A clamp assembly for securing a crusher cutter as defined in claim 1, wherein: The outer surfaces of the fixed sleeve (6), the positioning sleeve (7) and the washer (8) are uniformly provided with threaded holes, and the inner walls of the threaded holes are threadedly connected with bolts (9).

6. A clamp assembly for securing a crusher cutter as defined in claim 1, wherein: The inner parts of the two semicircular rings of the positioning sleeve (7) are respectively provided with receiving grooves (13), and the inner walls of the receiving grooves (13) are slidably connected with connecting pieces (14), and the ends of the connecting pieces (14) are fixedly connected with hinge joints, and the two semicircular rings are hinged through the hinge joints (15).

7. A clamp assembly for securing a crusher cutter as claimed in claim 6, characterised in that: The receiving groove (13) is composed of a slide and a receiving cavity, and a partition plate is arranged at the connection between the slide and the receiving cavity, one end of the connecting piece (14) away from the hinge joint (15) is provided with a baffle matched with the partition plate, so as to avoid the falling of the connecting piece (14), and the receiving cavity is used for storing the hinge joint (15).

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