Cone crusher

Abstract

The utility model discloses a cone crusher which comprises an automatic discharge port adjusting structure and an adjusting rack, the automatic discharge port adjusting structure comprises a fixed cone fixing tile, and the outer circumferential surface of the fixed cone fixing tile is in threaded connection with the inner circumferential surface of the adjusting rack; the fixed crushing wall is fixed on the inner circumferential surface of the fixed cone fixing tile; the adjusting rack is horizontally fixed on the outer side of the fixed cone fixing tile in a surrounding manner; the mounting table is fixedly connected with the adjusting rack, and the driving piece is mounted on the mounting table; the small gear is meshed with the adjusting rack, and the driving part is in driving connection with the small gear; the two proximity switches are respectively mounted on the mounting table, and the two proximity switches correspond to different positions in the circumferential direction of the pinion; the driving part and the two proximity switches are electrically connected with the control center. According to the utility model, the technical problem that the width of the discharge port of the existing cone crusher cannot be automatically adjusted is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of crushing devices, in particular to a cone crusher. Background Art

[0002] Cone crushers are widely used in many industries such as mining, smelting, building materials, highways, railways, water conservancy and chemical industries. Cone crushers have large crushing ratios, high efficiency, low energy consumption, and uniform product particle sizes. They are suitable for medium and fine crushing of various ores. Cone crushers crush ores through the cavity between the dynamic crushing wall and the fixed crushing wall and the relative rotation of the fixed and dynamic cones. The gap between the fixed crushing wall and the dynamic crushing wall is the width of the discharge port. The width of the discharge port will directly affect the crusher's discharge particle size and crusher production capacity.

[0003] At present, in the crusher industry, the discharge opening of cone crushers is mostly adjusted by naked eye observation and lead block extrusion to determine the size of the discharge opening. If the operating room is close to the cone crusher, one person can complete the adjustment of the discharge opening, but sometimes it takes multiple adjustments to reach a suitable discharge opening; if the operating room is far from the cone crusher, it requires the assistance of two people to complete it, so adjusting the discharge opening is both time-consuming and laborious. Utility Model Content

[0004] The utility model aims to overcome the shortcomings of the prior art and provide a cone crusher to realize automatic adjustment of the width of a discharge opening.

[0005] To achieve the above-mentioned purpose, the utility model provides a cone crusher, including an automatic adjustment structure for a discharge port and an adjustment frame, the automatic adjustment structure for the discharge port including: a fixed cone fixing shoe, the outer circumferential surface of the fixed cone fixing shoe is threadedly connected to the inner circumferential surface of the adjustment frame; a fixed crushing wall, the fixed crushing wall is fixed to the inner circumferential surface of the fixed cone fixing shoe; an adjustment rack, the adjustment rack is horizontally fixed around the outer side of the fixed cone fixing shoe; a mounting platform, the mounting platform is fixedly connected to the adjustment frame; a driving member, the driving member is mounted on the mounting platform; a pinion, the pinion is meshed with the adjustment rack, and the driving member is drivingly connected to the pinion; two proximity switches, the two proximity switches are respectively mounted on the mounting platform, and the two proximity switches correspond to different circumferential positions of the pinion; a control hub, the driving member and the two proximity switches are respectively electrically connected to the control hub.

[0006] Furthermore, the proximity switch includes a cylindrical main body, the outer periphery of which is sleeved with two nuts and two washers, the two nuts are respectively threadedly connected to the main body, the two washers are located between the two nuts, and the automatic adjustment structure of the discharge port also includes an arc-shaped vertical plate, which is installed on the upper end surface of the mounting table, the central axis of the vertical plate coincides with the central axis of the pinion, a strip hole is opened on the vertical plate, the main body passes through the strip hole, the two proximity switches are respectively detachably connected to the vertical plate through the nuts and the washers, and the centerline axis of the main body is arranged along the radial direction of the pinion.

[0007] Furthermore, at least two mounting plates are provided at the bottom of one side of the vertical plate away from the pinion, and the mounting platform is provided with two threaded holes, the threaded holes and the mounting plates correspond one to one and are threadedly connected, the central axis of the pinion is the first axis, the central axis of the threaded hole is the second axis, the first axis is arranged in parallel with the second axis, and the vertical distances between the two second axes and the first axis are equal.

[0008] Furthermore, the driving component includes a hydraulic motor and a reducer, the reducer includes a shell, the top of the shell is detachably connected to the mounting platform, the hydraulic motor is installed at the bottom of the shell, and the middle part of the shell in the vertical direction is detachably connected to the adjustment frame.

[0009] Furthermore, the mounting platform is provided with a plurality of through holes for connecting with the housing.

[0010] Furthermore, a protective cover is provided on the upper end surface of the mounting platform, and the meshing portion between the pinion and the adjusting rack is shielded by the protective cover, and the pinion is completely shielded by the protective cover.

[0011] Furthermore, the cone crusher also includes a crushing mechanism, and the crushing mechanism cooperates with the fixed crushing wall.

[0012] Furthermore, the crushing mechanism comprises a dynamic crushing wall, and the gap between the dynamic crushing wall and the fixed crushing wall is a discharge port.

[0013] The beneficial effects of the utility model are:

[0014] The driving part drives the pinion to rotate, the pinion drives the adjusting rack to rotate, the adjusting rack drives the fixed cone fixed shoe to rotate, and under the drive of the screw thread of the adjusting frame, the fixed cone fixed shoe drives the fixed crushing wall to rise, realizing the automatic adjustment of the discharge opening size;

[0015] The two proximity switches correspond to different circumferential positions of the pinion. During the rotation of the pinion, there is a certain phase difference in the signals received by the two proximity switches. The rotation direction of the pinion can be determined by the order in which the pulses in the two proximity switches appear, and the number of teeth of the pinion can be determined by the number of pulses, thereby improving the degree of automation of the adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0017] Figure 1 It is an overall schematic diagram of a cone crusher of the utility model;

[0018] Figure 2 This is a three-dimensional coordination diagram of a mounting platform, a pinion and a vertical plate in a cone crusher of the utility model;

[0019] Figure 3 This is a plane matching diagram of the mounting platform, pinion gear and vertical plate in a cone crusher of the utility model;

[0020] Figure 4 The utility model is a three-dimensional diagram of a mounting platform in a cone crusher.

[0021] In the figure, 1. fixed cone fixing shoe; 2. adjustment frame; 3. fixed crushing wall; 4. adjustment rack; 5. mounting table; 6. hydraulic motor; 7. reducer; 8. pinion; 9. proximity switch; 10. main body; 11. nut; 12. washer; 13. vertical plate; 14. strip hole; 15. mounting plate; 16. threaded hole; 17. through hole; 18. protective cover; 19. crushing mechanism. DETAILED DESCRIPTION

[0022] The following is combined with Figure 1 -Attached Figure 4 , the technical solutions in the embodiments of the present application are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present application.

[0023] It should be noted that all directional indications in the embodiments of the present application (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0024] In addition, the descriptions of "first", "second", etc. in this application are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0025] In this application, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0026] In addition, the technical solutions between the various embodiments of the present application can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0027] The utility model provides a cone crusher.

[0028] A cone crusher comprises an automatic adjustment structure for a discharge port and an adjustment frame 2, wherein the automatic adjustment structure for the discharge port comprises: a fixed cone fixing shoe 1, wherein the outer circumferential surface of the fixed cone fixing shoe 1 is threadedly connected to the inner circumferential surface of the adjustment frame 2; a fixed crushing wall 3, wherein the fixed crushing wall 3 is fixed to the inner circumferential surface of the fixed cone fixing shoe 1; an adjustment rack 4, wherein the adjustment rack 4 is horizontally fixed around the outer side of the fixed cone fixing shoe 1; a mounting platform 5, wherein the mounting platform 5 is fixedly connected to the adjustment frame 2; a driving member, wherein the driving member is mounted on the mounting platform 5; a pinion 8, wherein the pinion 8 is meshed with the adjustment rack 4, and wherein the driving member is drivingly connected to the pinion 8; two proximity switches 9, wherein the two proximity switches 9 are respectively mounted on the mounting platform 5, and wherein the two proximity switches 9 correspond to different circumferential positions of the pinion 8; and a control hub, wherein the driving member and the two proximity switches 9 are respectively electrically connected to the control hub.

[0029] The driving member drives the pinion 8 to rotate, the pinion 8 drives the adjusting rack 4 to rotate, the adjusting rack 4 drives the fixed cone fixed shoe 1 to rotate, and under the threaded drive of the adjustment frame 2, the fixed cone fixed shoe 1 drives the fixed crushing wall 3 to rise, thereby realizing automatic adjustment of the size of the discharge port; the two proximity switches 9 correspond to different circumferential positions of the pinion 8. During the rotation of the pinion 8, there is a certain phase difference between the signals received by the two proximity switches 9. The rotation direction of the pinion 8 can be determined by the order in which the pulses in the two proximity switches 9 appear, and the number of teeth of the pinion 8 can be determined by the number of pulses, thereby improving the degree of automation of the adjustment.

[0030] The proximity switch 9 includes a cylindrical main body 10, and two nuts 11 and two washers 12 are sleeved on the outer periphery of the main body 10. The two nuts 11 are respectively threadedly connected to the main body 10, and the two washers 12 are located between the two nuts 11. The automatic adjustment structure of the discharge port also includes an arc-shaped vertical plate 13, which is installed on the upper end surface of the mounting table 5. The central axis of the vertical plate 13 coincides with the central axis of the pinion 8. A strip hole 14 is opened on the vertical plate 13, and the main body 10 passes through the strip hole 14. The two proximity switches 9 are detachably connected to the vertical plate 13 through the nuts 11 and the washers 12, respectively, and the centerline axis of the main body 10 is arranged along the radial direction of the pinion 8.

[0031] The center axis of the main body 10 is arranged along the radial direction of the pinion 8 , which can ensure that the proximity switch 9 receives an accurate signal. The provision of the strip-shaped hole 14 facilitates adjustment of the position of the proximity switch 9 .

[0032] Two mounting plates 15 are provided at the bottom of one side of the vertical plate 13 away from the pinion 8, and the mounting platform 5 is provided with two threaded holes 16. The threaded holes 16 and the mounting plates 15 correspond one to one and are threadedly connected. The central axis of the pinion 8 is the first axis, and the central axis of the threaded hole 16 is the second axis. The first axis is arranged parallel to the second axis, and the vertical distances between the two second axes and the first axis are equal.

[0033] When positioning the vertical plate 13, the two threaded through holes 17 may be positioned first. After the positions of the threaded through holes 17 are determined, it is very convenient to position the vertical plate 13.

[0034] The driving part includes a hydraulic motor 6 and a reducer 7. The reducer 7 includes a housing, the top of which is detachably connected to the mounting platform 5. The hydraulic motor 6 is mounted on the bottom of the housing, and the middle part of the housing in the vertical direction is detachably connected to the adjustment frame 2. In a specific embodiment, the mounting platform 5 is provided with a plurality of through holes 17 for connecting with the housing, and the top of the housing is connected to the through holes 17 by bolts.

[0035] The upper end surface of the mounting platform 5 is provided with a protective cover 18, and the meshing portion between the pinion 8 and the adjusting rack 4 is shielded by the protective cover 18, and the pinion 8 is completely shielded by the protective cover 18. The provision of the protective cover 18 can prevent workers from accidentally touching the gears, so as to reduce the occurrence of accidental injuries.

[0036] The cone crusher further comprises a crushing mechanism 19, which cooperates with the fixed crushing wall 3. The crushing mechanism 19 comprises a dynamic crushing wall, and the gap between the dynamic crushing wall and the fixed crushing wall 3 is a discharge port.

[0037] The above description is only a preferred embodiment of the present application, and does not limit the patent scope of the present application. All equivalent structural changes made by using the contents of the present application specification and drawings under the inventive concept of the present application, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present application.

Claims

1. A cone crusher, characterized in that: It includes a discharge port automatic adjustment structure and an adjustment frame, and the discharge port automatic adjustment structure includes: A fixed cone fixing shoe, the outer circumferential surface of which is threadedly connected to the inner circumferential surface of the adjusting frame; A fixed crushing wall, wherein the fixed crushing wall is fixed to the inner circumferential surface of the fixed cone fixed shoe; An adjusting rack, the adjusting rack being horizontally surrounded and fixed on the outer side of the fixed cone fixed shoe; A mounting platform, the mounting platform is fixedly connected to the adjustment frame; A driving member, the driving member being mounted on the mounting platform; A pinion gear, the pinion gear is meshed with the adjusting rack, and the driving member is drivingly connected to the pinion gear; Two proximity switches, the two proximity switches are respectively mounted on the mounting platform, and the two proximity switches correspond to different circumferential positions of the pinion gear; A control hub, the driving member and the two proximity switches are electrically connected to the control hub respectively.

2. A cone crusher according to claim 1, characterized in that: The proximity switch includes a cylindrical main body, the outer circumference of which is sleeved with two nuts and two washers, the two nuts are respectively threadedly connected to the main body, the two washers are located between the two nuts, the discharge port automatic adjustment structure also includes an arc-shaped vertical plate, the vertical plate is mounted on the upper end surface of the mounting table, the central axis of the vertical plate coincides with the central axis of the pinion, a strip hole is opened on the vertical plate, the main body passes through the strip hole, the two proximity switches are detachably connected to the vertical plate through the nuts and washers, and the centerline axis of the main body is arranged along the radial direction of the pinion.

3. A cone crusher according to claim 2, characterized in that: At least two mounting plates are provided at the bottom of one side of the vertical plate away from the pinion gear, and the mounting platform is provided with two threaded holes. The threaded holes and the mounting plates correspond one to one and are threadedly connected. The central axis of the pinion gear is the first axis, and the central axis of the threaded hole is the second axis. The first axis is arranged in parallel with the second axis, and the vertical distances between the two second axes and the first axis are equal.

4. A cone crusher according to claim 1, characterized in that: The driving component includes a hydraulic motor and a reducer, the reducer includes a shell, the top of the shell is detachably connected to the mounting platform, the hydraulic motor is installed at the bottom of the shell, and the middle part of the shell in the vertical direction is detachably connected to the adjustment frame.

5. A cone crusher according to claim 4, characterized in that: The mounting platform is provided with a plurality of through holes for connecting with the housing.

6. A cone crusher according to claim 1, characterized in that: A protective cover is provided on the upper end surface of the mounting platform, and the meshing position between the pinion and the adjusting rack is shielded by the protective cover, and the pinion is completely shielded by the protective cover.

7. A cone crusher according to claim 1, characterized in that: The cone crusher also includes a crushing mechanism, which cooperates with the fixed crushing wall.

8. A cone crusher according to claim 7, characterized in that: The crushing mechanism comprises a dynamic crushing wall, and a gap between the dynamic crushing wall and the fixed crushing wall is a discharge port.

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