A crusher feed arrangement

Abstract

The application relates to a crusher feeding device and belongs to the technical field of crusher feeding, which comprises a support and a storage box fixedly arranged on the support, transmission frames are arranged on the side walls of the storage box, transmission rollers are arranged between the transmission frames, transmission belts are tightly sleeved on the two transmission rollers; mounting rods are arranged between the supports, a sliding rod is horizontally slidably arranged on the mounting rod, a lifting rod is vertically slidably arranged on the sliding rod, a push plate is fixedly arranged at the top end of the lifting rod, a discharge port is arranged on the side of the storage box away from the transmission frames, a motor is fixedly arranged between the supports, a transmission assembly is arranged between the motor and the transmission rollers, and a linkage assembly is arranged between the motor and the mounting rod. The application can continuously transport ores into the crusher in batches under the condition that the transmission belt continuously transports, the phenomenon that a large amount of ores are accumulated in the crusher is reduced, the crushing effect of the crusher is improved, and the service life of the crusher is prolonged.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of crusher feeding, in particular to a crusher feeding device. BACKGROUND

[0002] At present, in the processing process of minerals, a crusher is often used to crush mineral materials. A feeding device is needed to feed the crusher when the ore is added to the crusher for crushing.

[0003] The feeding device designed in the related art mainly includes a conveying roller and a conveying belt. The conveying belt is sleeved on the conveying roller. The conveying roller is driven to rotate by a motor, thereby driving the conveying belt to drive. One end of the conveying belt is close to the material source, and the other end of the conveying belt is close to the feeding port of the crusher. The ore is carried to the conveying belt by a tool. The conveying belt continuously drives to convey the ore from the material source to the crusher.

[0004] For the related art in the above, because the conveying belt continuously drives, the workers continuously carry the ore to the conveying belt, and the ore continuously falls into the crusher. A large amount of ore crushing in the crusher at the same time will affect the crushing effect, and even affect the service life of the crusher. Therefore, it needs to be improved. SUMMARY

[0005] The purpose of the present application is to provide a crusher feeding device which can intermittently feed a batch of ore into the crusher under the condition that the conveying belt continuously conveys, reduce the phenomenon of a large amount of ore accumulating in the crusher, thereby improving the crushing effect of the crusher and prolonging the service life of the crusher.

[0006] The crusher feeding device provided by the present application adopts the following technical scheme:

[0007] A crusher feeding device, comprising a support and a storage tank fixedly arranged on the support, a conveying frame is arranged on the side wall of the storage tank, conveying rollers are rotatably arranged between the conveying frames, and a conveying belt is sleeved and tensioned on the two conveying rollers; an installation rod is arranged between the supports, a sliding rod is horizontally slidably arranged on the installation rod, a lifting rod is liftably and slidably arranged on the sliding rod, a push plate is fixedly arranged at the top end of the lifting rod, a group of connecting grooves are penetratingly arranged in the bottom wall of the storage tank for the push plate and the lifting rod, and a sliding groove is communicatively arranged between the two connecting grooves for the lifting rod to slide; a discharge port is formed on the side of the storage tank away from the conveying frame, a motor is fixedly arranged between the supports, a transmission assembly is arranged between the motor and the conveying rollers, and the transmission assembly is used to drive the conveying rollers to rotate; a linkage assembly is arranged between the motor and the installation rod, and the linkage assembly is used to drive the sliding rod to horizontally reciprocate on the installation rod and the lifting rod to reciprocate and slide on the sliding rod.

[0008] By adopting the above technical scheme, when the ore material is conveyed into the crusher, the worker uses a tool to transport the ore onto the conveying belt, the motor drives one of the conveying rollers to rotate through the transmission assembly, and then drives the transmission belt on the conveying roller to drive, the ore on the transmission belt moves with the transmission belt and falls into the storage box, the ore material is transported into the storage box by the transmission belt, and the storage box can store the ore material; At the same time, the motor drives the sliding rod to slide horizontally on the mounting rod through the linkage assembly, when the push plate and one of the connecting grooves are aligned with each other, the linkage assembly drives the lifting rod to lift on the sliding rod, so that the push plate extends into the storage box through the connecting groove, and the linkage assembly drives the sliding rod to move on the mounting rod towards the discharge port, at this time the push plate moves a certain amount of ore in the storage box towards the discharge port, and the lifting rod slides in the sliding groove, when the push plate and the other connecting groove are aligned with each other, the linkage assembly drives the lifting rod to descend on the sliding rod, so that the push plate and the lifting rod are separated from the storage box, and the motor and the linkage assembly drive the sliding rod to move on the mounting rod away from the discharge port, so that the push plate extends into the storage box to transport the ore material in the storage box to the discharge port in batches; The application stores the ore while continuously conveying the ore material, and then transports the ore into the crusher in batches, which reduces the accumulation of a large amount of ore in the crusher, thereby improving the crushing effect of the crusher, and the motor works through the transmission assembly and the linkage assembly, thereby realizing low cost.

[0009] Optionally, the transmission assembly comprises a main gear, a secondary gear and a toothed belt, the drive shaft of the motor is connected with the main gear, the secondary gear is arranged on the end wall of one of the conveying rollers, and the toothed belt is engaged with the main gear and the secondary gear.

[0010] By adopting the above technical scheme, the motor drives the main gear to rotate, the main gear abuts against the toothed belt to drive the toothed belt to drive, the toothed belt abuts against the secondary gear to drive the secondary gear and the conveying roller to rotate, and the conveying roller drives the transmission belt to rotate, so that the ore on the transmission belt can be transported into the storage box.

[0011] Optionally, the linkage assembly comprises a limiting block, a rotating block, a linkage rod, and a linkage block, two limiting blocks are fixedly arranged on the mounting rod, one of the limiting blocks is located below one of the connecting grooves, and the other limiting block is located below the other connecting groove; The rotating block is fixedly arranged on the drive shaft of the motor, the rotating block and the drive shaft of the motor are coaxially arranged and penetrate through the linkage hole, the linkage rod is slidably arranged in the linkage hole, the linkage block is fixedly arranged at one end of the linkage rod, and the linkage block is hingedly connected with the side wall of the lifting rod.

[0012] By adopting the technical scheme, when the motor continuously rotates, the driving shaft of the motor drives the rotating block to continuously rotate, the rotating block can abut against the linkage rod, the linkage rod slides in the linkage hole, the rotating block generates a force on the linkage rod, the linkage rod drives the lifting rod to slide on the sliding rod through the linkage block, the lifting rod and the sliding rod generate a force, and the sliding rod slides on the mounting rod, when the sliding rod slides to one side wall of the limiting block, the sliding rod abuts against the limiting block, at this time, the sliding rod cannot slide, the motor drives the rotating block to continuously rotate, the linkage rod slides in the linkage hole, the linkage rod rotates with the rotating rod and drives the lifting rod to rise on the sliding rod, thereby lifting the lifting rod above one limiting block to lift the connecting slot through which the push plate and the lifting rod pass, the motor continues to rotate, the rotating block applies a force on the linkage rod to the sliding rod, thereby driving the sliding rod to slide on the mounting rod along the length direction of the mounting rod, at this time, the linkage rod slides in the linkage hole, the lifting rod continuously locates at the top end of the sliding rod, and the sliding rod drives the push plate on the lifting rod to push the ore materials in the storage box; in this way, the lifting rod is lifted on the sliding rod above the other limiting block to be separated from the storage box to reset, the push plate continuously enters and separates from the storage box under the condition that the motor continuously rotates, and the effect of saving equipment cost is achieved.

[0013] Optionally, the linkage assembly further comprises a abutting spring, the abutting spring is sleeved on the linkage rod, one end of the abutting spring abuts against the rotating block, and the other end of the abutting spring abuts against the linkage block.

[0014] By adopting the technical scheme, when the motor drives the rotating block to rotate to apply a force on the linkage rod, the abutting spring abuts against the linkage block to apply a force on the linkage block, thereby applying a force on the lifting rod, and further applying a force on the sliding rod on the lifting rod, which is beneficial to the sliding of the sliding rod on the mounting rod and improves the stability of the linkage assembly in operation.

[0015] Optionally, the storage box is provided with a supporting block, an end wall of the supporting block is rotationally provided with a baffle, the supporting block and the baffle are both obliquely arranged, the bottom end of the baffle can abut against the bottom wall in the storage box, and the baffle is located above the connecting slot away from the discharge port.

[0016] By adopting the technical scheme, when the ore materials are transported to the storage box by the conveying belt, the ore materials are guided by the supporting block and the baffle and stored on one side of the baffle, at this time, there is no ore material below the baffle, so that when the linkage assembly drives the push plate to pass through the connecting slot, the phenomenon that the push plate is subjected to the resistance of the ore materials is reduced, and when the push plate moves in the storage box to the discharge port, the push plate abuts against the baffle first, the baffle is first lifted, and then the push plate pushes the ore materials, after the push plate and the baffle are separated from each other, the baffle is automatically reset to abut against the bottom wall in the storage box under the pressure.

[0017] Optionally, the bottom end of the push plate is integrally formed with a crushing tooth.

[0018] By adopting the above technical scheme, when the linkage assembly drives the push plate to be separated from the storage box, the push plate will pass through the connecting groove, and at this time, the crushing tooth at the bottom end of the push plate can crush the gravel in the connecting groove to some extent, thereby reducing the phenomenon that the ore is far away from the connecting groove.

[0019] Optionally, a discharge plate is arranged below the discharge port on the side wall of the storage box and is rotatably connected with the storage box, a gas cylinder is arranged between the supports, the bottom end of the gas cylinder is hingedly connected with the support, and the piston rod of the gas cylinder is hingedly connected with the bottom end of the discharge plate.

[0020] By adopting the above technical scheme, the piston rod of the gas cylinder is extended and retracted to drive the discharge plate to rotate relative to the storage box, so that the angle between the discharge plate and the storage box can be adjusted, the discharge plate can be conveniently used to accumulate ore in the crusher of different heights, and the applicability of the device is improved.

[0021] Optionally, a fine material recovery box is further arranged between the supports.

[0022] By adopting the above technical scheme, some small ore materials will fall into the recovery box through the connecting groove and the sliding groove, the recovery box can recover the small ore, so that the storage box also has a filtering and screening function, which reduces pollution and waste and improves work efficiency.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. By arranging the supports, the storage box, the transmission frame, the transmission roller, the transmission belt, the mounting rod, the sliding rod, the lifting rod, the push plate, the connecting groove, the sliding groove, the discharge port, the motor, the transmission assembly and the linkage assembly, the push plate continuously extends into the storage box to batch the ore materials in the storage box to the discharge port, the present application stores the ore while continuously transporting the ore, then batch transports the ore to the crusher, reduces the phenomenon that a large amount of ore is accumulated in the crusher, thereby improving the crushing effect of the crusher, and the motor works through the transmission assembly and the linkage assembly, so that the cost is low.

[0025] 2. By arranging the main gear, the secondary gear and the toothed belt, the main gear is driven to rotate, the main gear abuts against the toothed belt to drive the toothed belt to transmit, the toothed belt abuts against the secondary gear to drive the secondary gear and the transmission roller to rotate, and the transmission roller drives the transmission belt to rotate, so that the ore on the transmission belt can be transported to the storage box.

[0026] 3. The motor drives the main gear to rotate, the main gear abuts against the toothed belt, drives the toothed belt to transmit, the toothed belt abuts against the secondary gear, thereby driving the secondary gear and the transmission roller to rotate, and the transmission roller drives the transmission belt to rotate, so that the ore on the transmission belt is transported into the storage box, the motor continuously rotates, the rotating block applies force to the sliding rod through the force linkage rod, thereby driving the sliding rod to slide along the length direction of the mounting rod, and the linkage rod slides in the linkage hole at this time, the lifting rod continuously locates at the top end of the sliding rod, and the sliding rod drives the push plate on the lifting rod to push the ore material in the storage box repeatedly, so that the push plate continuously enters and separates from the storage box under the condition that the motor continuously rotates, and the effect of saving equipment cost is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a structure schematic view of a crusher feeding device provided by the embodiment of the present application;

[0028] Figure 2 is a partial sectional view of a crusher feeding device provided by the embodiment of the present application;

[0029] In the figure, 1 is a support, 11 is a storage box, 12 is a discharge port, 2 is a transmission frame, 21 is a transmission roller, 22 is a transmission belt, 3 is a mounting rod, 31 is a sliding rod, 32 is a lifting rod, 33 is a push plate, 331 is a crushing tooth, 4 is a connecting groove, 41 is a sliding groove, 5 is a motor, 6 is a transmission assembly, 61 is a main gear, 62 is a secondary gear, 63 is a toothed belt, 7 is a linkage assembly, 71 is a limiting block, 72 is a rotating block, 721 is a linkage hole, 73 is a linkage rod, 74 is a linkage block, 75 is an abutting spring, 8 is a supporting block, 81 is a baffle, 9 is a discharge plate, and 91 is a pneumatic cylinder. DETAILED DESCRIPTION

[0030] The following will be described in detail below with reference to the accompanying Figure 1 - the accompanying Figure 2 , and the present application will be further described in detail.

[0031] Embodiment: a crusher feeding device, referring to Figure 1 and Figure 2 , comprising a support 1 and a storage box 11 fixedly arranged on the support 1, a transmission frame 2 is arranged on the side wall of the storage box 11, and the transmission frame 2 and the storage box 11 are fixedly connected with each other. Transmission rollers 21 are rotatably arranged between the transmission frames 2 and at both ends, the length direction of the transmission rollers 21 is arranged along the width direction of the storage box 11, and a transmission belt 22 is tightly arranged on the two transmission rollers 21. An discharge port 12 is arranged on the side of the storage box 11 away from the transmission frame 2, and the length direction of the discharge port 12 is arranged along the width direction of the storage box 11.

[0032] Referring to Figure 1 and Figure 2The motor 5 is fixed between the supports 1, and a transmission assembly 6 is arranged between the motor 5 and the transmission rollers 21. The transmission assembly 6 comprises a main gear 61, a secondary gear 62 and a toothed belt 63. The driving shaft of the motor 5 is connected to the main gear 61, the secondary gear 62 is arranged on the end wall of one of the transmission rollers 21, the secondary gear 62 is coaxially arranged between the transmission roller 21, and the toothed belt 63 is engaged with the main gear 61 and the secondary gear 62. When the ore material is conveyed into the crusher, the workers use tools to convey the ore to the conveying belt 22, the motor 5 drives the main gear 61 to rotate, the main gear 61 abuts against the toothed belt 63, drives the toothed belt 63 to rotate, the toothed belt 63 abuts against the secondary gear 62, thereby driving the secondary gear 62 and the transmission roller 21 to rotate, the transmission roller 21 drives the conveying belt 22 to rotate, the motor 5 drives the main gear 61 to rotate, the main gear 61 abuts against the toothed belt 63, drives the toothed belt 63 to rotate, the toothed belt 63 abuts against the secondary gear 62, thereby driving the secondary gear 62 and the transmission roller 21 to rotate, and the transmission roller 21 drives the conveying belt 22 to rotate.

[0033] With reference to Figure 1 and Figure 2 The mounting rod 3 is fixed between the supports 1, and the length direction of the mounting rod 3 is arranged along the length direction of the storage box 11. The sliding rod 31 is horizontally slidably arranged on the mounting rod 3, and the length direction of the sliding rod 31 is arranged along the vertical direction. The sliding rod 31 can slide along the length direction of the mounting rod 3. The lifting rod 32 is vertically slidably arranged on the sliding rod 31, and the length direction of the lifting rod 32 is arranged along the vertical direction. The lifting rod 32 can slide along the length direction of the sliding rod 31. The push plate 33 is fixedly arranged at the top end of the lifting rod 32, and the push plate 33 is arranged along the vertical direction. The breaking teeth 331 are integrally formed at the bottom end of the push plate 33. The bottom wall of the storage box 11 is penetrated by a group of connecting grooves 4, and the push plate 33 and the lifting rod 32 penetrate the connecting grooves 4. The sliding grooves for the sliding of the lifting rod 32 are arranged in communication between the two connecting grooves 4. The length direction of the connecting grooves 4 is arranged along the width direction of the storage box 11, and the length direction of the sliding grooves is arranged along the length direction of the storage box 11.

[0034] With reference to Figure 1 and Figure 2The linkage assembly 7 is arranged between the motor 5 and the mounting rod 3, and the motor 5 drives the sliding rod 31 to horizontally reciprocate on the mounting rod 3 through the linkage assembly 7. When the push plate 33 is aligned with one of the connecting grooves 4, the linkage assembly 7 drives the lifting rod 32 to lift on the sliding rod 31, so that the push plate 33 extends into the storage box 11 through the connecting groove 4. Then the linkage assembly 7 drives the sliding rod 31 to move on the mounting rod 3 towards the discharge port 12. At this time, the push plate 33 moves a certain amount of ore in the storage box 11 towards the discharge port 12, and the lifting rod 32 slides in the sliding groove. When the push plate 33 is aligned with the other connecting groove 4, the linkage assembly 7 drives the lifting rod 32 to lift on the sliding rod 31, so that the push plate 33 and the lifting rod 32 are separated from the storage box 11. Then the motor 5 and the linkage assembly 7 drive the sliding rod 31 to move on the mounting rod 3 away from the discharge port 12. In this way, the push plate 33 continuously extends into the storage box 11 to move the ore in the storage box 11 to the discharge port 12 in batches.

[0035] Referring to Figure 2The linkage assembly 7 comprises limiting blocks 71, rotating blocks 72, linkage rods 73, linkage blocks 74 and abutting springs 75. The limiting blocks 71 are symmetrically fixed on the mounting rod 3, and two limiting blocks 71 are arranged below the connecting grooves 4. The rotating blocks 72 are fixed on the driving shaft of the motor 5, and the rotating blocks 72 and the driving shaft of the motor 5 are jointly provided with linkage holes. The linkage rods 73 are slidingly arranged in the linkage holes and are matched with the linkage holes. The linkage blocks 74 are fixed on one end of the linkage rods 73 and are hingedly connected with the side walls of the lifting rods 32. The abutting springs 75 are sleeved on the linkage rods 73, and one end of the abutting springs 75 abuts against the rotating blocks 72, and the other end of the abutting springs 75 abuts against the linkage blocks 74. When the motor 5 continuously works, the driving shaft of the motor 5 drives the rotating blocks 72 to continuously rotate. The rotating blocks 72 can abut against the linkage rods 73, and the linkage rods 73 slide in the linkage holes. The rotating blocks 72 generate a force on the linkage rods 73. The linkage rods 73 drive the lifting rods 32 to slide on the sliding rods 31 through the linkage blocks 74. The lifting rods 32 and the sliding rods 31 generate a force, and the sliding rods 31 slide on the mounting rod 3. When the sliding rods 31 slide to abut against the limiting blocks 71 away from the discharge port 12, the sliding rods 31 cannot slide, and the motor 5 drives the rotating blocks 72 to continuously rotate, so that the linkage rods 73 slide in the linkage holes. The linkage rods 73 rotate with the rotating rods and drive the lifting rods 32 to rise on the sliding rods 31, so that the lifting rods 32 rise above the limiting blocks 71 to make the connecting grooves 4 penetrated by the lifting rods 32 and the push plates 33. The push plates 33 enter the storage tank 11, and the lifting rods 32 are aligned with the sliding grooves. When the motor 5 continues to rotate, the rotating blocks 72 apply a force to the sliding rods 31 through the linkage rods 73, and then drive the sliding rods 31 to slide on the mounting rod 3 along the length direction of the mounting rod 3. At this time, the linkage rods 73 slide in the linkage holes, the lifting rods 32 continuously locate at the top end of the sliding rods 31, the sliding rods 31 slide, the lifting rods 32 slide in the sliding grooves, and the lifting rods 32 drive the push plates 33 to push the ore materials in the storage tank 11. The above process is repeated. The lifting rods 32 are lowered on the sliding rods 31 above the other limiting blocks 71 to be reset. Under the condition that the motor 5 continuously rotates, the push plates 33 continuously enter the storage tank 11 from the same position to push the ore materials in the storage tank 11, so that the device cost is saved.

[0036] Referring to Figure 2The support block 8 is fixedly arranged in the storage box 11, the lower end of the support block 8 is rotatably arranged with a baffle 81, the two ends of the support block 8 and the baffle 81 are in close contact with the inner wall of the storage box 11, the support block 8 and the baffle 81 are both arranged obliquely, and the baffle 81 is located above the connecting groove 4 away from the discharge port 12.

[0037] With reference to Figure 2 The sidewall of the storage box 11 and located below the discharge port 12 is provided with a discharge plate 9, the discharge plate 9 and the storage box 11 are rotatably connected through a rotating shaft, the support frame 1 is provided with a gas cylinder 91, the bottom end of the gas cylinder 91 is hingedly connected with the support frame 1, and the piston rod of the gas cylinder 91 is hingedly connected with the bottom end of the discharge plate 9. The piston rod of the gas cylinder 91 is extended and retracted to drive the discharge plate 9 to rotate relative to the storage box 11, so that the angle between the discharge plate 9 and the storage box 11 can be adjusted, the discharge plate 9 is convenient to stack with crushers of different heights, and the applicability of the device is improved. The support frame 1 is fixedly provided with a fine material recovery box, some fine ore materials can fall into the recovery box through the connecting groove 4 and the sliding groove, the recovery box can recover the fine ore, so that the storage box 11 also has a filtering and screening function, pollution and waste are reduced, and work efficiency is improved.

[0038] The implementation principle of the embodiment of the application is:

[0039] When the ore material is transported into the crusher, the worker uses a tool to transport the ore onto the conveying belt 22, the motor 5 drives the main gear 61 to rotate, the main gear 61 drives the auxiliary gear 62 and one of the conveying rollers 21 to rotate through the toothed belt 63, and then drives the conveying belt 22 on which the ore is transported to drive the conveying belt 22 to move and fall into the storage box 11. The conveying belt 22 is used to transport the ore material into the storage box 11, and the storage box 11 can store the ore material. At the same time, the motor 5 drives the rotating block 72 to rotate, the rotating block 72 generates a force on the linkage rod 73, the linkage rod 73 drives the lifting rod 32 to slide on the sliding rod 31 through the linkage block 74, a force is generated between the lifting rod 32 and the sliding rod 31, and then the sliding rod 31 slides on the mounting rod 3. When the sliding rod 31 slides to abut against the limiting block 71 away from the discharge port 12, the motor 5 drives the rotating block 72 to continuously rotate, so that the linkage rod 73 slides in the linkage hole, the linkage rod 73 rotates with the rotating rod, and the lifting rod 32 is lifted on the sliding rod 31, so that the lifting rod 32 is lifted above one of the limiting blocks 71 to make the connecting slot 4 of the lifting rod 32 and the push plate 33 penetrate into the storage box 11, so that the push plate 33 enters the storage box 11 and the lifting rod 32 is aligned with the sliding slot. The motor 5 continues to rotate, the rotating block 72 applies a force to the sliding rod 31 through the linkage rod 73, and then drives the sliding rod 31 to slide on the mounting rod 3 along the length direction of the mounting rod 3. At this time, the linkage rod 73 slides in the linkage hole, the lifting rod 32 is continuously located at the top end of the sliding rod 31, the sliding rod 31 slides, and the lifting rod 32 slides in the sliding slot. The lifting rod 32 drives the push plate 33 to push the ore material in the storage box 11, and the lifting rod 32 is lowered on the sliding rod 31 above the other limiting block 71 to be separated from the storage box 11 for resetting. Thus, under the condition that the motor 5 continuously rotates, the push plate 33 continuously enters the storage box 11 from the same position to push the ore material in the storage box 11. The present application stores the ore while continuously transporting the ore, then transports the ore into the crusher in batches, reduces the phenomenon that a large amount of ore is accumulated in the crusher, and improves the crushing effect of the crusher. The motor 5 drives the transmission assembly 6 and the linkage assembly 7 to work simultaneously, and the cost is low.

[0040] The embodiments of the specific implementation are the preferred embodiments of the present application, and do not limit the protection scope of the present application, wherein the same parts are indicated by the same reference numerals. Therefore: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A crusher feeding device, characterized in that, The utility model provides a kind of material storage box, including support (1) and fixedly arranged on the support (1) storage tank (11), the side wall of the storage tank (11) is provided with transmission frame (2), transmission roller (21) is rotationally arranged between the transmission frame (2) and both ends, two transmission roller (21) are tensioned and are provided with transmission belt (22) on the sleeve;The mounting rod (3) is provided between the support (1), the sliding rod (31) is horizontally slidably arranged on the mounting rod (3), the lifting rod (32) is vertically slidably arranged on the sliding rod (31), the top of the lifting rod (32) is fixedly provided with push plate (33), the bottom wall of the storage tank (11) is provided with a group of connection grooves (4) for the push plate (33) and the lifting rod (32) to penetrate, the sliding groove (41) for the lifting rod (32) to slide is communicated between two connection grooves (4);The side of the storage tank (11) away from transmission frame (2) is provided with discharge port (12), the motor (5) is fixedly arranged between the support (1), the transmission assembly (6) is arranged between the motor (5) and transmission roller (21), and the transmission assembly (6) is used to drive transmission roller (21) to rotate;The linkage assembly (7) is arranged between the motor (5) and the mounting rod (3), and the linkage assembly (7) is used to drive the sliding rod (31) to reciprocate horizontally on the mounting rod (3) and the lifting rod (32) to reciprocate vertically on the sliding rod (31). The transmission assembly (6) includes main gear (61), auxiliary gear (62) and toothed belt (63), the drive shaft of the motor (5) is connected with the main gear (61), the auxiliary gear (62) is arranged on the end wall of one of the transmission roller (21), and the toothed belt (63) is engaged on the main gear (61) and the auxiliary gear (62);The linkage assembly (7) includes limiting block (71), rotating block (72), linkage rod (73), linkage block (74), two limiting blocks (71) are fixedly arranged on the mounting rod (3), one of the limiting blocks (71) is below one of the connection grooves (4), and the other limiting block (71) is below the other connection groove (4);The rotating block (72) is fixedly arranged on the drive shaft of the motor (5), the rotating block (72) and the drive shaft of the motor (5) are penetratingly provided with linkage hole (721), the linkage rod (73) is slidably arranged in the linkage hole (721), the linkage block (74) is fixedly arranged at one end of the linkage rod (73), and the linkage block (74) is hingedly connected with the side wall of the lifting rod (32).

2. A feeder for a crusher as claimed in claim 1, characterised in that The linkage assembly (7) further includes abutting spring (75), the abutting spring (75) is sleeved on the linkage rod (73), one end of the abutting spring (75) abuts against the rotating block (72), and the other end of the abutting spring (75) abuts against the linkage block (74).

3. A feeder for a crusher as claimed in claim 1, characterised in that, The support block (8) is provided in the storage tank (11), an end wall of the support block (8) is rotationally provided with a baffle (81), and the support block (8) and the baffle (81) are both obliquely arranged; the bottom end of the baffle (81) is abuttable against the bottom wall in the storage tank (11), and the baffle (81) is located above the connecting groove (4) away from the discharge port (12).

4. A feeder for a crusher as claimed in claim 1, characterised in that The bottom end of the push plate (33) is integrally provided with a crushing tooth (331).

5. A feeder for a crusher as claimed in claim 1, characterised in that, The side wall of the storage tank (11) and located below the discharge port (12) is provided with a discharge plate (9), the discharge plate (9) and the storage tank (11) are rotationally connected, the support frame (1) is provided with a gas cylinder (91), the bottom end of the gas cylinder (91) and the support frame (1) are hingedly connected, and the piston rod of the gas cylinder (91) and the bottom end of the discharge plate (9) are hingedly connected.

6. A feeder for a crusher as claimed in claim 1, characterised in that, The support frame (1) is further provided with a fine material recovery tank.

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