A device for quickly adjusting the discharge gap of a jaw crusher

Abstract

The application discloses a device for quickly adjusting a discharge port of a jaw crusher, which comprises a machine box plate and further comprises a quick adjusting assembly, wherein the quick adjusting assembly comprises an arc-shaped groove formed on one side of the machine box plate, a first rotating shaft is inserted and arranged in the arc-shaped groove, an outer thread is arranged at one end of the first rotating shaft, a screw cover is tightly arranged on the surface of the outer thread, and a handle is arranged on one side of the first rotating shaft. The quick adjusting assembly is arranged to movably modify the mounting position of a movable jaw breaking plate on one side in the prior art, the arc-shaped groove capable of adjusting the position of the first rotating shaft is formed on the machine box plate arranged on the movable end, when it is necessary to adjust the position of the first rotating shaft to realize the effect of adjusting the discharge port diameter, the position of the first rotating shaft in the arc-shaped groove is moved through the handle. After the adjustment is completed, the screw cover is tightly screwed on the outer thread arranged on one side of the first rotating shaft. The size of the discharge port diameter is changed by directly changing the position of the first rotating shaft, and the operation is quick and convenient.

Description

Technical Field

[0001] This invention relates to the field of jaw crusher technology, and in particular to a device for quickly adjusting the discharge port of a jaw crusher. Background Technology

[0002] Jaw crushers are a type of coarse crushing equipment widely used in mining, building materials, metallurgy and other industries. Their working principle is that the eccentric shaft is driven by an electric motor to rotate, which drives the moving jaw to make periodic reciprocating motion. The material entering the crushing chamber is crushed by compression, splitting and bending between the two jaw plates. It has the characteristics of simple structure, reliable operation, convenient maintenance and large crushing ratio. It can process various ores and rocks with a compressive strength not exceeding 320MPa. Typical models include PE series and PEX series. The discharge particle size can be controlled by adjusting the size of the discharge port. It is usually used in the first crushing process in the production line to provide a suitable feed particle size for subsequent medium and fine crushing equipment.

[0003] Chinese patent CN106179570B discloses a jaw crusher and a discharge opening adjustment method. The jaw crusher includes a frame, a fixed jaw plate, and a movable jaw plate. The fixed jaw plate is fixedly mounted to the frame, while the movable jaw plate is movably mounted relative to the fixed jaw plate. The lower ends of the fixed and movable jaw plates form a discharge opening. The jaw crusher also includes an automatic discharge opening adjustment system, which includes a controller and an actuator. The actuator is drivenly connected to the movable jaw plate, and the controller is coupled to the actuator to automatically control the movement of the movable jaw plate according to a set value, thereby adjusting the distance between the lower ends of the fixed and movable jaw plates to adjust the size of the discharge opening. In this invention, when the discharge opening becomes larger due to wear of the fixed or movable jaw plates, the size of the discharge opening can be automatically adjusted by the controller, eliminating the need for manual periodic adjustments and thus improving the adjustment efficiency of the discharge opening.

[0004] In existing technology, the main structure of a jaw crusher consists of a pair of moving jaw plates and a stationary jaw plate. The moving jaw plate continuously compresses the surface of the stationary jaw plate to achieve the effect of crushing the stones. However, the installation positions of the moving and stationary jaw plates are relatively fixed, which results in a fixed size of the discharge port for the finished material, making it difficult to adjust the discharge rate. Therefore, improvements are needed. Summary of the Invention

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a device for quickly adjusting the discharge port of a jaw crusher.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: A device for quickly adjusting the discharge port of a jaw crusher includes a casing plate and further includes: The quick-adjustment assembly includes an arc-shaped groove on one side of the chassis panel, a first rotating shaft that is inserted into the arc-shaped groove, an external thread on one end of the first rotating shaft, a screw cap that is screwed onto the surface of the external thread, and a handle on one side of the first rotating shaft. It also includes: The drive-end assembly includes a movable jaw crusher plate, a second steel ring fixedly mounted on one side of the movable jaw crusher plate, a convex hammer eccentrically mounted inside the second steel ring, a baffle plate on one side of the second steel ring, and a second rotating shaft on one side of the convex hammer. It also includes: The movable end assembly includes a first steel ring fixedly installed on one side of the movable jaw crusher plate. The movable end assembly also includes a slide cylinder arrayed around the periphery of the first rotating shaft. A spring is connected and installed inside the slide cylinder. A slide rod is connected and installed on one side of the spring. The slide rod is slidably installed inside the slide cylinder. A pad is provided at the end of the slide rod. The pad is supported and installed inside the first steel ring. A limit plate is provided on one side of the first rotating shaft. The limit plate covers the surface of the first steel ring.

[0007] A further technical solution involves an upward-sloping groove structure, with the screw cap tightened onto the surface of the groove during installation.

[0008] Further technical solutions also include: The drive assembly includes a first pulley mounted on one side of a first rotating shaft, a second pulley on the other side of the first pulley, a belt wound around the first and second pulleys, and a motor mounted on one side of the second pulley.

[0009] Further technical solutions also include: The fixed end assembly includes a positioning plate fixedly installed inside the chassis plate, and a static jaw crusher plate is slidably installed on one side of the positioning plate.

[0010] Further technical solutions also include: The direct drive assembly includes a slider fixedly mounted on one side of the static jaw crusher plate. A lead screw is installed inside the slider, a rotor is installed on one side of the lead screw, a bearing is provided on the other side of the lead screw, a bearing housing is provided on one side of the bearing, and bolts are provided on both sides of the bearing housing. The bolts are fixedly installed on the inside of the chassis plate.

[0011] Further technical solutions include: a liner is provided on the side of the first and second rotating shafts near the inner side of the chassis plate, and reinforcing ribs are uniformly provided on the outer surface of the chassis plate.

[0012] Compared with the prior art, the present invention provides a device for quickly adjusting the discharge port of a jaw crusher, which has the following beneficial effects: This invention modifies the mounting position of the movable jaw crusher on one side of the existing technology by incorporating a quick-adjustment component: an arc-shaped groove is created on the chassis plate mounted on the movable end to adjust the position of the first rotating shaft; when it is necessary to adjust the position of the first rotating shaft to achieve the effect of adjusting the discharge port diameter, the handle is used to move the first rotating shaft to its position inside the arc-shaped groove. After adjustment, the screw cap is tightened onto the external thread provided on one side of the first rotating shaft. The discharge port diameter is changed by directly altering the position of the first rotating shaft, making the operation quick and convenient.

[0013] This invention modifies the movable jaw crusher plate to avoid direct contact between the first rotating shaft and the rocking first steel ring. Instead, a sliding rod is slidably installed around the first rotating shaft via a sliding tube, and a spring connects the sliding tube and the sliding rod to achieve a cushioning effect. A pad at the end of the sliding rod supports the inside of the first steel ring, which cushions the first steel ring when it shakes within a certain range, while also increasing the shaking space of the first steel ring.

[0014] This invention also modifies the drive end of the movable jaw crusher, adopting an eccentrically mounted convex hammer as the drive mechanism on one side of the movable jaw crusher. The convex hammer rotates under the transmission of pulleys, belts, and other devices, and through eccentric action inside the second steel ring, causes the second steel ring to oscillate, thereby achieving the jaw crushing effect of the movable jaw crusher. Because the diameter of the convex hammer can be made larger, its shear resistance is improved, increasing its service life.

[0015] This invention modifies one end of the originally fixed static jaw crusher, mounting it on the surface of a lead screw via a bottom slider. Through the drive of the lead screw, motor, and bearing housing, the static jaw crusher achieves linear movement in the crushing direction, enabling direct adjustment of the discharge port diameter. Combined with the aforementioned adjustment method for the movable jaw crusher, this allows for rapid adjustment of the discharge port diameter. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a device for quickly adjusting the discharge port of a jaw crusher according to the present invention; Figure 2 This is a schematic diagram of the external structure of a device for quickly adjusting the discharge port of a jaw crusher, as proposed in this invention. Figure 3 This is a partial structural diagram of the movable end component of a device for quickly adjusting the discharge port of a jaw crusher, as proposed in this invention. Figure 4 This is a partial structural schematic diagram of the rapid adjustment component of a device for rapidly adjusting the discharge port of a jaw crusher, as proposed in this invention. Figure 5This is an exploded view of the drive end component of a device for quickly adjusting the discharge port of a jaw crusher, as proposed in this invention. Figure 6 This is a schematic diagram of the rear view of the drive end assembly of a device for quickly adjusting the discharge port of a jaw crusher, as proposed in this invention.

[0017] In the diagram: 1. Chassis plate; 2. Reinforcing rib; 3. Moving end assembly; 4. Quick adjustment assembly; 5. Drive end assembly; 6. Drive assembly; 7. Fixed end assembly; 8. Direct drive assembly; 9. Moving jaw crusher plate; 10. First steel ring; 11. First rotating shaft; 12. Slide cylinder; 13. Spring; 14. Slide rod; 15. Pad; 16. Limiting plate; 17. Arc groove; 18. External thread; 19. Screw cap; 20. Handle; 21. Second steel ring; 22. Convex hammer; 23. Baffle; 24. Second rotating shaft; 25. First pulley; 26. Second pulley; 27. Belt; 28. Motor; 29. ​​Static jaw crusher plate; 30. Slider; 31. Lead screw; 32. Rotor; 33. Bearing seat; 34. Bearing; 35. Bolt; 36. Positioning plate; 37. Liner plate. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of the present invention.

[0019] Example 1: Refer to Figure 1 - Figure 6 A device for quickly adjusting the discharge port of a jaw crusher includes a casing plate 1, which is the external structure of the device casing, and also includes: The quick-adjustment component 4 includes an arc-shaped groove 17 formed on one side of the chassis plate 1. A first rotating shaft 11 can slide up and down inside the arc-shaped groove 17, thereby indirectly adjusting the diameter of the discharge port. The first rotating shaft 11 is inserted and installed inside the arc-shaped groove 17. One end of the first rotating shaft 11 is provided with an external thread 18. After the position of the first rotating shaft 11 is adjusted, the screw cap 19 is tightened on the surface of the external thread 18, which can limit the position of the first rotating shaft 11 and achieve the effect of quick adjustment of the discharge port. The screw cap 19 is tightened on the surface of the external thread 18, and a handle 20 is provided on one side of the first rotating shaft 11.

[0020] The device for quickly adjusting the discharge port of a jaw crusher has an arc-shaped groove 17 with an upward-facing groove structure. The screw cap 19 is tightened on the surface of the arc-shaped groove 17 in the installed state, mainly to achieve the effect of limiting and fixing the first rotating shaft 11.

[0021] The device for quickly adjusting the discharge port of a jaw crusher further includes: The drive end component 5 is the power input end of the movable jaw crusher 9 in this device. The drive end component 5 includes the movable jaw crusher 9, which crushes rocks by pressing against the static jaw crusher 29. A second steel ring 21 is fixedly installed on one side of the movable jaw crusher 9. The protruding hammer 22 can move eccentrically inside the second steel ring 21 under the transmission action of the transmission device, thereby achieving the biting motion of the movable jaw crusher 9 through the second steel ring 21. The protruding hammer 22 is eccentrically installed inside the second steel ring 21, and a baffle 23 is provided on one side of the second steel ring 21 to prevent the protruding hammer 22 from falling off during movement. A second rotating shaft 24 is provided on one side of the protruding hammer 22, which is the component of the power device that drives the protruding hammer 22.

[0022] The device for quickly adjusting the discharge port of a jaw crusher further includes: The movable end component 3 is the other side structure that works in conjunction with the aforementioned drive end component 5 to realize the movement of the movable jaw crusher 9. The movable end component 3 includes a first steel ring 10 fixedly installed on one side of the movable jaw crusher 9. The first steel ring 10 can swing around the first rotating shaft 11. The movable end component 3 also includes a slide cylinder 12 arrayed around the first rotating shaft 11. A slide rod 14 is slidably installed inside the slide cylinder 12 via a spring 13, and is supported inside the first steel ring 10 by a pad 15 on the slide rod 14. The function is to prevent the first steel ring 10 from swinging too much, while the spring 13 provides a certain buffering and limiting effect. A spring 13 is installed inside the slide cylinder 12. A slide rod 14 is installed on one side of the spring 13. The slide rod 14 is slidably installed inside the slide cylinder 12. A pad 15 is provided at the end of the slide rod 14. The pad 15 is supported and installed inside the first steel ring 10. A limit plate 16 is provided on one side of the first rotating shaft 11. The limit plate 16 functions similarly to the baffle 23, mainly to prevent the first rotating shaft 11 from falling off during movement. The limit plate 16 covers the surface of the first steel ring 10.

[0023] The device for quickly adjusting the discharge port of a jaw crusher further includes: The drive assembly 6 is a power input component. The drive assembly 6 includes a first pulley 25 mounted on one side of the first rotating shaft 11. The first pulley 25 and the second pulley 26 are connected by a belt 27 to achieve a transmission effect. The motor 28 outputs kinetic energy to the second rotating shaft 24 on the second pulley 26 through the first pulley 25. The second pulley 26 is provided on the other side of the first pulley 25. The belt 27 is installed around the first pulley 25 and the second pulley 26. The motor 28 is driven and installed on one side of the second pulley 26.

[0024] The device for quickly adjusting the discharge port of a jaw crusher further includes: The fixed end assembly 7 includes a positioning plate 36 fixedly installed inside the chassis plate 1. A static jaw crusher plate 29 is slidably installed on one side of the positioning plate 36. The static jaw crusher plate 29 works in conjunction with the movable jaw crusher plate 9 to achieve jaw crushing.

[0025] The device for quickly adjusting the discharge port of a jaw crusher further includes: The direct drive assembly 8 primarily enables adjustment of the discharge orifice diameter even at the wet static jaw crusher plate 29. The wet direct drive assembly 8 includes a slider 30 fixedly mounted on one side of the static jaw crusher plate 29. The slider 30 moves along the surface of the lead screw 31, thus achieving direct adjustment of the discharge orifice diameter. The lead screw 31 is internally mounted on the slider 30. The rotor 32 is a component directly driven by the lead screw 31, while the bearing 34 inside the bearing housing 33 supports the rotation of the lead screw 31. The rotor 32 is mounted on one side of the lead screw 31, and the bearing 34 is located on the other side. A bearing housing 33 is located on one side of the bearing 34, and bolts 35 are located on both sides of the bearing housing 33. The bolts 35 secure the bearing housing 33 to the chassis plate 1. The bolts 35 are fixedly mounted on the inner side of the chassis plate 1.

[0026] The device for quickly adjusting the discharge port of a jaw crusher further includes: a liner 37 is provided on one side of the first rotating shaft 11 and the second rotating shaft 24 near the inner side of the casing plate 1. The function of the liner 37 is to limit the position of the two rotating shafts on the casing plate 1 respectively. The outer surface of the casing plate 1 is uniformly provided with reinforcing ribs 2 to increase the structural strength of the casing plate 1 itself.

[0027] Working principle: In the actual design process, this invention addresses the following shortcomings in existing technologies: "In existing technologies, the main structure of a jaw crusher consists of a pair of moving jaw plates and a stationary jaw plate. The moving jaw plate continuously performs extrusion movements on the surface of the stationary jaw plate to achieve the effect of crushing stones. However, the installation positions of the moving jaw plate and the stationary jaw plate are relatively fixed, which results in a fixed size of the discharge port of the finished material, making it difficult to adjust the discharge capacity of the discharge port. Therefore, improvements are needed." Therefore, this invention specifically proposes the following components: moving end assembly 3, quick adjustment assembly 4, drive end assembly 5, drive assembly 6, fixed end assembly 7, and direct drive assembly 8.

[0028] Activity component 3: The movable end assembly 3 is a structure positioned above the movable jaw crusher 9, working in conjunction with the upper drive end assembly 5 to achieve jaw crushing motion. Because the movable jaw crusher 9 transfers some kinetic energy to this assembly under the action of the drive end assembly 5, this assembly needs a certain degree of swaying to coordinate with the movement. A first steel ring 10 is fixed to one side of the movable jaw crusher 9, serving as the basis for the transmission of the first rotating shaft 11. A sliding rod 14 is slidably mounted around the periphery of the first rotating shaft 11 via a sliding cylinder 12, and a spring 13 is connected and installed between the sliding cylinder 12 and the sliding rod 14 to achieve sliding buffering of the sliding rod 14 within the sliding cylinder 12. A pad 15 at the end of the sliding rod 14 supports the radial portion of the first rotating shaft 11, working in conjunction with the first steel ring 10 to achieve the swaying and buffering effects. Using a transmission method where the first rotating shaft 11 has the first steel ring 10 built into it increases the transmission torque and avoids the problem of easy breakage in this part in the prior art.

[0029] Quick Adjustment Component 4: The position corresponding to the movable end component 3 is the material discharge port. Therefore, this solution uses the adjustment of this position to achieve the effect of rapid adjustment of the discharge port diameter. An arc-shaped groove 17 is provided on one side of the chassis plate 1 corresponding to the first rotating shaft 11; the position of the first rotating shaft 11 in the arc-shaped groove 17 can be adjusted to achieve the effect of adjusting the discharge port diameter. After adjustment, simply tighten the screw cap 19 onto the external thread 18 to achieve fixation. This component achieves the effect of rapid adjustment of the discharge port diameter.

[0030] Driver component 5: The drive end component 5 is the power input part of the dynamic jaw crusher 9, including a second steel ring 21 fixedly installed on one side of the dynamic jaw crusher 9; the eccentrically mounted protruding hammer 22 inside the second steel ring 21 drives the dynamic jaw crusher 9 on the second steel ring 21 to perform a biting motion during rotation, thereby achieving the jaw crushing effect. In order to prevent the protruding hammer 22 from falling off, this solution also provides a baffle 23 on one side of the second steel ring 21 for limiting.

[0031] Driver Component 6: The drive assembly 6 is a component that transmits power to the drive end assembly 5, including a power source - motor 28; a transmission structure - first pulley 25, second pulley 26 and belt; the second pulley 26 outputs power to the convex hammer 22 through the second rotating shaft 24 to achieve the rotation effect of the convex hammer 22.

[0032] Fixed-end assembly 7 and direct-drive assembly 8; The fixed end assembly 7 is the static jaw crusher plate in the prior art, and its main structure is the static jaw crusher plate 29 placed on one side of the movable jaw crusher plate 9. To utilize the static jaw crusher plate 29 and achieve the effect of adjusting the discharge orifice diameter, this design fixes a slider 30 on one side of the static jaw crusher plate 29. The slider 30 can move left and right on the surface of the lead screw 31 under the transmission action of the rotor 32. During the movement, the discharge orifice diameter decreases and increases accordingly, which is also a way to achieve rapid adjustment. To limit the position of the lead screw 31, this design provides a bearing seat 33 on one side of the lead screw 31, and a bearing 34 is installed inside the bearing seat 33 and supported on the surface of the lead screw 31; the bearing 34 ensures the stable operation of the lead screw 31.

[0033] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of this invention.

Claims

1. A device for quickly adjusting the discharge port of a jaw crusher, comprising a casing plate (1), characterized in that, Also includes: A quick-adjustment assembly (4) includes an arc-shaped groove (17) on one side of the chassis plate (1), a first rotating shaft (11) is inserted into the arc-shaped groove (17), one end of the first rotating shaft (11) is provided with an external thread (18), a screw cap (19) is screwed onto the surface of the external thread (18), and a handle (20) is provided on one side of the first rotating shaft (11). The assembly also includes: The drive end assembly (5) includes a movable jaw crusher (9), a second steel ring (21) is fixedly installed on one side of the movable jaw crusher (9), a convex hammer (22) is eccentrically installed inside the second steel ring (21), a baffle (23) is provided on one side of the second steel ring (21), and a second rotating shaft (24) is provided on one side of the convex hammer (22). It also includes: The movable end assembly (3) includes a first steel ring (10) fixedly installed on one side of the movable jaw crusher (9). The movable end assembly (3) also includes a slide cylinder (12) arrayed around the first rotating shaft (11). A spring (13) is connected and installed inside the slide cylinder (12). A slide rod (14) is connected and installed on one side of the spring (13). The slide rod (14) is slidably installed inside the slide cylinder (12). A pad (15) is provided at the end of the slide rod (14). The pad (15) is supported and installed inside the first steel ring (10). A limit plate (16) is provided on one side of the first rotating shaft (11). The limit plate (16) covers the surface of the first steel ring (10).

2. The device for quickly adjusting the discharge port of a jaw crusher according to claim 1, characterized in that, The arc-shaped groove (17) is an upward-facing groove structure, and the screw cap (19) is screwed onto the surface of the arc-shaped groove (17) in the installed state.

3. The device for quickly adjusting the discharge port of a jaw crusher according to claim 2, characterized in that, Also includes: The drive assembly (6) includes a first pulley (25) mounted on one side of a first rotating shaft (11), a second pulley (26) on the other side of the first pulley (25), a belt (27) mounted around the first pulley (25) and the second pulley (26), and a motor (28) mounted on one side of the second pulley (26).

4. The device for quickly adjusting the discharge port of a jaw crusher according to claim 1, characterized in that, Also includes: The fixed end assembly (7) includes a positioning plate (36) fixedly installed inside the chassis plate (1), and a static jaw crusher plate (29) is slidably installed on one side of the positioning plate (36).

5. The device for quickly adjusting the discharge port of a jaw crusher according to claim 4, characterized in that, Also includes: The direct drive assembly (8) includes a slider (30) fixedly installed on one side of the static jaw crusher plate (29). A lead screw (31) is installed inside the slider (30). A rotor (32) is installed on one side of the lead screw (31). A bearing (34) is provided on the other side of the lead screw (31). A bearing seat (33) is provided on one side of the bearing (34). Bolts (35) are provided on both sides of the bearing seat (33). The bolts (35) are fixedly installed on the inner side of the chassis plate (1).

6. The device for quickly adjusting the discharge port of a jaw crusher according to claim 2, characterized in that, Also includes: A liner (37) is provided on one side of the first rotating shaft (11) and the second rotating shaft (24) near the inner side of the chassis plate (1), and reinforcing ribs (2) are uniformly provided on the outer surface of the chassis plate (1).

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