Mine stone rolling machine with protection structure

Abstract

The utility model relates to the technical field of stone rolling machines, and discloses a mine stone rolling machine with a protection structure, which comprises a machine body, a motor is fixedly arranged on the outer wall of the machine body, the mine stone rolling machine with the protection structure is characterized in that in the operation process of the machine body, the motor is fixedly arranged on the outer wall of the machine body; a protection plate can be driven to be attached to the outer wall of a protection cover through rotation of a rotating rod, at the moment, the protection cover is matched with the protection plate to protect the transmission belt in all directions, and the situation that in the running process of the transmission belt, stones are clamped at the connecting position of a rotating shaft or a crankshaft and the transmission belt, and consequently the transmission belt is pressed is prevented; the transmission belt can be protected in the operation process, the service life of the transmission belt is effectively prolonged, and when the machine body stops, the protection plate can be driven to be separated from the protection cover through the rotating rod, so that the transmission belt in the protection cover can be exposed, and workers can conveniently overhaul the transmission belt in the machine body stop state.

Description

TECHNICAL FIELD

[0001] The utility model relates to a stone mill technical field, specifically is a mine stone mill with protection structure. BACKGROUND

[0002] The stone mill is the stone machine that relies on impact energy to complete the broken material operation. It is commonly used for crushing materials such as ore, coal, gypsum, bricks, and limestone.

[0003] According to a mine stone mill stone structure (public number: CN217189749U) disclosed, in the above application, the threaded rod moves left and right when rotating, and the bearing is arranged to enable the threaded rod to rotate and simultaneously drive the first jaw plate to move, so that the first jaw plate can move away from the second jaw plate, and the distance between the first jaw plate and the second jaw plate is far apart, so that some larger ore can directly fall down and will not be crushed by the second jaw plate. The size of the ore can be crushed according to the needs of people through the use of the moving mechanism, meeting the needs of people.

[0004] The above mine stone mill adopts a belt drive mode to drive the second jaw plate to run for stone crushing, but the belt is exposed outside the equipment, and the environment around the mine stone mill is mostly soil and stone. If the stones adhere to the surface of the belt, the belt will be pressed during operation, and even the belt may be broken, affecting the service life of the belt. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a mine stone mill with protection structure to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a mine stone mill with protection structure, comprising a body, a motor is fixedly installed on the outer wall of the body, a rotating shaft is fixedly installed on the output end of the motor, a fixed jaw plate is fixedly installed on the inner wall of the body, a crankshaft is rotatably connected to the top of the body, a movable jaw plate is rotatably connected to the outer wall of the crankshaft, the crankshaft and the rotating shaft are drivingly connected through a transmission belt, a protection mechanism for protecting the transmission belt is arranged on the body, a splash-proof mechanism for preventing stone splashing is arranged on the body, and the protection mechanism comprises:

[0007] A protective cover is fixedly installed on the outer wall of the body, a rotating rod is rotatably connected to the outer wall of the protective cover, a spiral groove is formed in the rotating rod, and a protective plate is fixedly installed on the outer wall of the rotating rod. The transmission belt can be protected by setting the protective cover and the protective plate;

[0008] The push rod is slidably connected to the inner wall of the protective cover, and the push rod penetrates the protective cover, one end of the push rod is fixedly installed with a limiting block, and the other end of the push rod is fixedly installed with a semicircular ring, the semicircular ring can push the push rod to slide on the inner wall of the protective cover, the outer wall of the limiting block is fixedly installed with a return spring, one end of the return spring away from the limiting block is fixedly installed on the outer wall of the protective cover, and the outer wall of the push rod is fixedly installed with an L-shaped rod.

[0009] The telescopic rod is fixedly installed at one end of the outer wall of the rotating shaft, and the other end of the telescopic rod is fixedly installed with an arc-shaped plate, and the telescopic rod can provide guidance for the arc-shaped plate.

[0010] Preferably, the outer wall of the telescopic rod is sleeved with a telescopic spring, one end of the telescopic spring is fixedly installed on the outer wall of the rotating shaft, and the other end of the telescopic spring is fixedly installed on the outer wall of the arc-shaped plate.

[0011] Preferably, the splash-proof mechanism comprises a cover plate, the cover plate is hinged to the top of the machine body, and the cover plate can prevent ore debris from splashing out of the machine body.

[0012] Preferably, the outer wall of the cover plate is hinged with a connecting rod, and one end of the connecting rod away from the cover plate is hinged to the outer wall of the limiting block.

[0013] Preferably, the telescopic rod is provided in multiple groups, and the multiple groups of telescopic rods are arranged in a circumferential array on the outer wall of the rotating shaft with the rotating shaft as the central axis.

[0014] Preferably, the semicircular ring is attached to the outer wall of the arc-shaped plate, and the rotating shaft can drive the semicircular ring to push the arc-shaped plate while rotating in cooperation with the telescopic rod.

[0015] Compared with the prior art, the mine stone crusher with a protection structure has the following beneficial effects:

[0016] 1. The mine stone crusher with a protection structure, the machine body can drive the protective plate to be attached to the outer wall of the protective cover through the rotation of the rotating shaft, at this time, the protective cover can protect the transmission belt in all directions in cooperation with the protective plate, so that the transmission belt is prevented from being pressed due to the fact that stones are stuck in the connection between the rotating shaft or the crankshaft and the transmission belt during the operation of the transmission belt, thereby protecting the transmission belt during the operation of the transmission belt, effectively improving the service life of the transmission belt, and when the machine body is stopped, the protective plate can be separated from the protective cover through the rotating shaft, so that the transmission belt in the protective cover is exposed, and the staff can conveniently maintain the transmission belt in the stopped state of the machine body.

[0017] 2. This mining crusher with a protective structure will pull the connecting rod when the limit block stretches the return spring, causing the connecting rod to pull the cover plate. At this time, the cover plate will rotate on the top of the machine body and gradually approach the moving jaw plate. The cover plate can cover the gap above the moving jaw plate and the fixed jaw plate to prevent small stones from splashing out and accidentally injuring the surrounding workers during the crushing process. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a top view of the overall structure of this utility model;

[0020] Figure 3 This is a partial structural schematic diagram of the protection mechanism of this utility model;

[0021] Figure 4 This is a partial structural diagram of the motor and push rod of this utility model;

[0022] Figure 5 This is a schematic diagram of the overall structure of the telescopic rod of this utility model;

[0023] Figure 6 This utility model Figure 1 A magnified structural diagram at point A.

[0024] In the diagram: 1. Body; 2. Motor; 3. Shaft; 4. Fixed jaw plate; 5. Crankshaft; 6. Moving jaw plate; 7. Transmission belt; 8. Protection mechanism; 81. Protective cover; 82. Push rod; 83. Telescopic rod; 84. Rotating rod; 85. Spiral groove; 86. Protective plate; 87. Limiting block; 88. Semicircular ring; 89. Return spring; 810. L-rod; 811. Arc plate; 812. Telescopic spring; 9. Splash prevention mechanism; 91. Cover plate; 92. Connecting rod. Detailed Implementation

[0025] like Figures 1-6 As shown, this utility model provides a technical solution: a mining stone crusher with a protective structure, including a body 1, a motor 2 fixedly installed on the outer wall of the body 1, a rotating shaft 3 fixedly installed at the output end of the motor 2, a fixed jaw plate 4 fixedly installed on the inner wall of the body 1, a crankshaft 5 rotatably connected to the top of the body 1, a movable jaw plate 6 rotatably connected to the outer wall of the crankshaft 5, and a transmission belt 7 connecting the crankshaft 5 and the rotating shaft 3. A protective mechanism 8 is provided on the body 1 to protect the transmission belt 7. By providing the protective mechanism 8, the transmission belt 7 can be protected during operation to prevent it from being pressed by stones. A splash-proof mechanism 9 is provided on the body 1 to prevent stone fragments from splashing out from the inside of the body 1, thereby avoiding accidental injury to workers around the body 1 by stone fragments.

[0026] The protection mechanism 8 comprises a protective cover 81, a push rod 82, an extension rod 83, a rotating rod 84, a spiral groove 85, a protection plate 86, a limiting block 87, a semicircle ring 88, a reset spring 89, an L rod 810, an arc plate 811, and an extension spring 812. The protective cover 81 is fixedly installed on the outer wall of the machine body 1. The outer wall of the protective cover 81 is rotationally connected with the rotating rod 84. The rotating rod 84 is provided with the spiral groove 85. The outer wall of the rotating rod 84 is fixedly installed with the protection plate 86. When the protection plate 86 is attached to the outer wall of the protective cover 81, the protective cover 81 can be covered by the protection plate 86. At this time, the protection plate 86 and the protective cover 81 can protect the transmission belt 7 in all directions. The push rod 82 is slidingly connected to the inner wall of the protective cover 81 and penetrates through the protective cover 81. One end of the push rod 82 is fixedly installed with the limiting block 87. The other end of the push rod 82 is fixedly installed with the semicircle ring 88. The outer wall of the limiting block 87 is fixedly installed with the reset spring 89. One end of the reset spring 89 away from the limiting block 87 is fixedly installed on the outer wall of the protective cover 81. The outer wall of the push rod 82 is fixedly installed with the L rod 810. The outer wall of the L rod 810 is attached to the inner wall of the spiral groove 85. While the push rod 82 slides in the inner wall of the protective cover 81, the L rod 810 and the spiral groove 85 can drive the rotating rod 84 to rotate on the outer wall of the protective cover 81. One end of the extension rod 83 is fixedly installed on the outer wall of the rotating shaft 3. The other end of the extension rod 83 is fixedly installed with the arc plate 811. The extension rod 83 is provided with multiple groups. The multiple groups of extension rods 83 are arranged in a circumferential array on the outer wall of the rotating shaft 3 with the rotating shaft 3 as the central shaft. The outer wall of the extension rod 83 is sleeved with the extension spring 812. One end of the extension spring 812 is fixedly installed on the outer wall of the rotating shaft 3. The other end of the extension spring 812 is fixedly installed on the outer wall of the arc plate 811. When the motor 2 stops running, the extension spring 812 will pull the arc plate 811, so that the arc plate 811 compresses the extension rod 83 and gradually approaches the rotating shaft 3. The semicircle ring 88 is attached to the outer wall of the arc plate 811. The arc plate 811 will push the semicircle ring 88 in the process of gradually moving away from the rotating shaft 3, so that the semicircle ring 88 pushes the push rod 82.

[0027] The splash-proof mechanism 9 comprises a cover plate 91 and a connecting rod 92. The cover plate 91 is hinged on the top of the machine body 1. The cover plate 91 can cover the gap above the moving jaw plate 6 and the fixed jaw plate 4 to prevent small stones from splashing and injuring surrounding workers during the crushing process. The outer wall of the cover plate 91 is hinged with the connecting rod 92. One end of the connecting rod 92 away from the cover plate 91 is hinged on the outer wall of the limiting block 87. The movement of the limiting block 87 in cooperation with the connecting rod 92 can drive the cover plate 91 to rotate on the top of the machine body 1.

[0028] Working principle: when the ore needs to be crushed, first start the motor 2, through the motor 2 drive shaft 3 rotation, shaft 3 rotation at the same time with the transmission belt 7 can drive the crankshaft 5 rotation, while the shaft 3 will drive the synchronous rotation of the telescopic rod 83, while the telescopic rod 83 rotation will drive the arc plate 811 do circular motion around the shaft 3, at the same time due to the high speed rotation of the shaft 3 will make the arc plate 811 gradually away from the shaft 3, at the same time the arc plate 811 will stretch the telescopic rod 83 and the extension spring 812, and the arc plate 811 in the process of gradually away from the shaft 3 will push the semicircle ring 88, so that the semicircle ring 88 push the push rod 82, at this time the push rod 82 will slide in the inner wall of the protective cover 81 and drive the limit block 87 stretch the reset spring 89, while the push rod 82 in the inner wall of the protective cover 81 slide will drive the L rod 810 synchronous movement with the inner wall of the spiral groove 85, at this time the L rod 810 will extrude the spiral groove 85, so that the rotation of the rotation rod 84 in the outer wall of the protective cover 81, the rotation of the rotation rod 84 in the process will drive the protective plate 86 gradually turn up, so that the protective plate 86 can be covered with the protective cover 81, at this time the protective plate 86 and the protective cover 81 will protect the transmission belt 7 all around, prevent the transmission belt 7 in the process of running have stone stuck in the shaft 3 or the crankshaft 5 and the transmission belt 7 connection place cause the transmission belt 7 received oppression, so that can in the process of transmission belt 7 operation to protect it, effectively improve the service life of the transmission belt 7, when the motor 2 stop running, the extension spring 812 will pull the arc plate 811, so that the arc plate 811 compression telescopic rod 83 and gradually close to the shaft 3, at this time the arc plate 811 will stop pushing the semicircle ring 88, at the same time the reset spring 89 will pull the limit block 87, so that the limit block 87 push the push rod 82, so that the push rod 82 in the inner wall of the protective cover 81 slide reset, while the push rod 82 in the process of sliding reset will drive the L rod 810 synchronous movement with the inner wall of the spiral groove 85, at this time the L rod 810 will extrude the spiral groove 85, so that the rotation of the rotation rod 84 in the outer wall of the protective cover 81, at the same time the rotation rod 84 will drive the protective plate 86 gradually turn down, so that the protective plate 86 can be separated from the protective cover 81, so that the transmission belt 7 in the protective cover 81 is exposed, convenient for the staff in the machine body 1 stop state to transmission belt 7 maintenance.

[0029] The limit block 87 stretch reset spring 89 at the same time will pull the connecting rod 92, so that the connecting rod 92 pull the cover plate 91, at this time the cover plate 91 will rotate on the top of the machine body 1 and gradually close to the moving jaw plate 6, using the cover plate 91 can cover the gap above the moving jaw plate 6 and the fixed jaw plate 4, prevent the small stone in the process of crushing splash out of the surrounding staff.

[0030] The utility model has made the detailed description to the utility model generally above, but can make some modification or improvement to it on the basis of the utility model, this is obvious to the general skilled person in the technical field. Therefore, the modification or improvement without departing from the utility model thought spirit, all are within the protection scope of the utility model.

Claims

1. A mining stone crushing machine with a protective structure, comprising a machine body (1), characterized in that: A motor (2) is fixedly installed on the outer wall of the machine body (1), and a rotating shaft (3) is fixedly installed at the output end of the motor (2). A fixed jaw plate (4) is fixedly installed on the inner wall of the machine body (1). A crankshaft (5) is rotatably connected to the top of the machine body (1), and a movable jaw plate (6) is rotatably connected to the outer wall of the crankshaft (5). The crankshaft (5) and the rotating shaft (3) are connected by a transmission belt (7). A protective mechanism (8) for protecting the transmission belt (7) is provided on the machine body (1). A splash-proof mechanism (9) for preventing gravel from splashing is provided on the machine body (1). The protective mechanism (8) includes: A protective cover (81) is fixedly installed on the outer wall of the machine body (1). A rotating rod (84) is rotatably connected to the outer wall of the protective cover (81). A spiral groove (85) is provided on the rotating rod (84). A protective plate (86) is fixedly installed on the outer wall of the rotating rod (84). A push rod (82) is slidably connected to the inner wall of the protective cover (81) and the push rod (82) penetrates the protective cover (81). A limit block (87) is fixedly installed at one end of the push rod (82), and a semi-circular ring (88) is fixedly installed at the other end of the push rod (82). A return spring (89) is fixedly installed on the outer wall of the limit block (87). The end of the return spring (89) away from the limit block (87) is fixedly installed on the outer wall of the protective cover (81). An L rod (810) is fixedly installed on the outer wall of the push rod (82). The outer wall of the L rod (810) is attached to the inner wall of the spiral groove (85). Telescopic rod (83), one end of which is fixedly installed on the outer wall of the rotating shaft (3), and the other end of which is fixedly installed with an arc plate (811).

2. A mining stone crushing machine with a protective structure according to claim 1, characterized in that: The telescopic rod (83) is fitted with a telescopic spring (812) on its outer wall. One end of the telescopic spring (812) is fixedly installed on the outer wall of the rotating shaft (3), and the other end of the telescopic spring (812) is fixedly installed on the outer wall of the arc plate (811).

3. A mining stone crusher with a protective structure according to claim 1, characterized in that: The splash-proof mechanism (9) includes a cover plate (91) which is hinged to the top of the body (1).

4. A mining stone crushing machine with a protective structure according to claim 3, characterized in that: A connecting rod (92) is hinged to the outer wall of the cover plate (91), and one end of the connecting rod (92) away from the cover plate (91) is hinged to the outer wall of the limiting block (87).

5. A mining stone crusher with a protective structure according to claim 1, characterized in that: The telescopic rod (83) is provided in multiple sets, and the multiple sets of telescopic rods (83) are arranged in a circular array on the outer wall of the rotating shaft (3) with the rotating shaft (3) as the central axis.

6. A mining stone crusher with a protective structure according to claim 1, characterized in that: The semicircular ring (88) is attached to the outer wall of the arc plate (811).

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