Cutter shaft and cutter head of breaking stone crusher with speed reducer

Abstract

The utility model discloses a waste stone breaking machine cutter shaft with a speed reducer and a cutter head, and relates to the technical field of agricultural and engineering machinery. Comprising a cutter shaft pipe, speed reducers, supporting discs, cutter pressing plates and cutter bits, the speed reducers are arranged at the two ends of the inner side of the cutter shaft pipe in an embedded mode, the multiple supporting discs are evenly arranged on the outer side of the cutter shaft pipe, the multiple cutter pressing plate containing grooves are evenly formed in the supporting discs, the multiple cutter pressing plates are evenly arranged on the cutter pressing plate containing grooves, and the multiple cutter bits are evenly arranged between the cutter pressing plates. Tool bit fixing plates are arranged between the tool bits, a middle partition plate is arranged between the tool bit fixing plates, and the tool bit fixing plates and the middle partition plate are connected with a tool pressing plate. By adopting the cutter shaft and the cutter head of the breaking stone crusher with the speed reducer, the speed reducing and torque increasing capabilities of the cutter shaft are realized, and the durability of the cutter head, the fixing strength of the cutter head and the application reliability of the cutter shaft are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural and engineering machinery technical field especially is concerned with a kind of opening up stone crusher cutter shaft and cutter head of speed reducer. BACKGROUND

[0002] The opening up stone crusher is a kind of mechanical equipment for high-standard farmland, building, mine, highway, railway, water conservancy and other engineering fields, mainly used for the crushing processing of Gobi, rock, ore, concrete block and other materials, to make them become smaller stone and soil particles or sandstone aggregate, to meet the requirements of different engineering on material granularity.

[0003] Due to the complex stone situation and various stone materials, it is impossible to select appropriate torque agitation according to the hardness of the material, so there are problems of insufficient torque and efficiency, and the existing stone crusher also has the problem of insufficient fixing strength of cutter head; therefore, a cutter shaft solving the above problems is needed. SUMMARY

[0004] The utility model discloses a kind of opening up stone crusher cutter shaft and cutter head of speed reducer, realize the speed reduction of cutter shaft, effectively promote the durability of cutter head, cutter head fixing strength and the reliability of cutter shaft application.

[0005] To achieve the above object, the utility model provides a kind of opening up stone crusher cutter shaft and cutter head of speed reducer, including cutter shaft pipe, speed reducer, support disc, cutter pressing plate, cutter head, the speed reducer is embedded in the cutter shaft pipe inside both ends, the cutter shaft pipe outside is evenly provided with a plurality of support disc, a plurality of cutter pressing plate placing grooves are evenly provided on the support disc, a plurality of cutter pressing plates are evenly provided on the cutter pressing plate placing groove, a plurality of cutter heads are evenly provided between the cutter pressing plate, cutter head fixing plate is provided between the cutter head, middle partition is provided between the cutter head fixing plate, the cutter head fixing plate and the middle partition are connected with the cutter pressing plate.

[0006] Preferably, the cutter head one side is provided with cutter head fixed groove, the cutter head fixed groove is connected with the cutter head fixed plate, and the other side of the cutter head is clamped with the cutter pressing plate.

[0007] Preferably, the cutter pressing plate includes front cutter pressing plate and rear cutter pressing plate, the front cutter pressing plate is connected with one side of the cutter head, the rear cutter pressing plate is connected with the other side of the cutter head, and the cutter head fixed plate and the middle partition are connected with the rear cutter pressing plate.

[0008] Preferably, the cutter pressing plate placing groove includes front plate placing groove and rear plate placing groove, the front plate placing groove places the front cutter pressing plate, and the rear plate placing groove places the rear cutter pressing plate.

[0009] Preferably, the speed reducer comprises a speed reducer shaft and a bearing assembly, the speed reducer shaft is arranged at the center position of the cutter shaft tube, the bearing assembly is arranged between the speed reducer shaft and the cutter shaft tube, and an oil seal is arranged between the bearing assembly and the speed reducer shaft.

[0010] Preferably, the distance between the cutter heads arranged on the cutter pressing plate is 50%-150% of the diameter of the cutter head.

[0011] Preferably, the cutter heads are arranged in a central symmetric structure.

[0012] Preferably, hard alloy cutters are arranged on the cutter heads, and wear-resistant paint is arranged below the hard alloy cutters.

[0013] Therefore, the stone crusher cutter shaft and cutter head with a speed reducer have the following beneficial effects compared with the prior art by adopting the above structure:

[0014] 1. The speed reducer provides a suitable rotating speed for the cutter shaft to meet specific processing requirements, thereby improving processing precision and efficiency, and increasing torque, so that the cutter shaft has greater cutting force in operation and can help the cutter shaft to adapt to the needs of processing various materials.

[0015] 2. The reinforced cutter head can bear greater load and impact, improve stone crushing or processing efficiency, thereby prolonging the service life of the cutter, improving durability, reducing the frequency of cutter replacement, and reducing maintenance and replacement costs.

[0016] The technical scheme of the utility model will be further described in detail below with reference to the drawings and embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view of an embodiment of the stone crusher cutter shaft and cutter head with a speed reducer of the utility model;

[0018] Figure 2 It is a left view of an embodiment of the stone crusher cutter shaft and cutter head with a speed reducer of the utility model;

[0019] Figure 3 It is an internal view of an embodiment of the stone crusher cutter shaft and cutter head with a speed reducer of the utility model;

[0020] Figure 4 It is a side view of the cutter head structure of an embodiment of the stone crusher cutter shaft and cutter head with a speed reducer of the utility model;

[0021] Figure 5 It is a front view of the cutter head structure of an embodiment of the stone crusher cutter shaft and cutter head with a speed reducer of the utility model;

[0022] REFERENCE NUMERALS

[0023] 1, knife shaft tube; 2, speed reducer; 3, support disc; 4, knife pressure plate; 5, knife head; 6, knife pressure plate placing groove; 7, intermediate partition plate; 8, knife head fixing plate; 9, knife head fixing groove; 10, hard alloy knife; 11, wear-resistant coating; 21, speed reducer shaft; 22, bearing assembly; 23, oil seal; 41, front knife pressure plate; 42, rear knife pressure plate; 61, front plate placing groove; 62, rear plate placing groove. DETAILED DESCRIPTION

[0024] EMBODIMENT

[0025] In the description of the utility model, it needs to be explained that the terms "upper", "lower", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the utility model product is used, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0026] As Figures 1-5 shown, the utility model discloses a kind of knife shaft and knife head of land clearing stone crusher with speed reducer, including knife shaft tube 1, speed reducer 2, support disc 3, knife pressure plate 4, knife head 5, speed reducer 2 is embeddedly arranged in the both ends inside knife shaft tube 1, several support discs 3 are evenly arranged in the outside of knife shaft tube 1, several pairs of knife pressure plate placing grooves 6 are evenly arranged on support disc 3, several pairs of knife pressure plate 4 are evenly arranged on knife pressure plate placing groove 6, several knife heads 5 are evenly arranged between knife pressure plate 4, knife head fixing plate 8 is arranged between knife head 5, intermediate partition plate 7 is arranged between knife head fixing plate 8, and knife head fixing plate 8 and intermediate partition plate 7 are connected with knife pressure plate 4.

[0027] One side of knife head 5 is provided with knife head fixing groove 9, and knife head fixing groove 9 is connected with knife head fixing plate 8, and the other side of knife head 5 is clamped with knife pressure plate 4, and the interval distance between knife head 5 installed on knife pressure plate 4 is set as 50%-150% of the diameter of knife head 5; knife head 5 is distributed and arranged as a central symmetric structure, hard alloy knife 10 is arranged on knife head 5, and wear-resistant coating 11 is arranged below hard alloy knife 10.

[0028] Knife pressure plate 4 includes front knife pressure plate 41 and rear knife pressure plate 42, front knife pressure plate 41 is connected with one side of knife head 5, rear knife pressure plate 42 is connected with the other side of knife head 5, and knife head fixing plate 8 and intermediate partition plate 7 are connected with rear knife pressure plate 42; knife pressure plate placing groove 6 includes front plate placing groove 61 and rear plate placing groove 62, front plate placing groove 61 places front knife pressure plate 41, and rear plate placing groove 62 places rear knife pressure plate 42.

[0029] The speed reducer 2 comprises a speed reducer shaft 21 arranged at the center of the cutter shaft tube 1 and a bearing assembly 22 arranged between the speed reducer shaft 21 and the cutter shaft tube 1, and an oil seal 23 is arranged between the bearing assembly 22 and the speed reducer shaft 21.

[0030] In the specific implementation process, the cutter head fixing groove 9 at the back side of the cutter head 5 is fixed in the vertical direction by the cutter head fixing plate 8, the cutter head 5 is fixed in the horizontal direction by the front cutter pressing plate 41 and the rear cutter pressing plate 42 of the cutter pressing plate 4, the whole of the cutter pressing plate 4 and the cutter head 5 is fixed with the cutter shaft tube 1 by the front plate placing groove 61 and the rear plate placing groove 62 on the support disc 3, the rotation of the cutter head 5 with the cutter shaft tube 1 is ensured, and finally the speed reducer 2 is added inside the cutter shaft tube 1 by the speed reducer shaft 21, so that the rotation speed of the cutter shaft tube 1 can achieve the effect of speed reduction and torque increase.

[0031] Therefore, the utility model adopts the above structure of the opening and breaking stone machine cutter shaft and cutter head with a speed reducer, realizes the speed reduction and torque increase capacity of the cutter shaft, effectively improves the cutter head durability, cutter head fixing strength and reliability of the cutter shaft application.

[0032] Finally, it should be noted that: the above examples are only used to illustrate the technical scheme of the utility model and not to limit it, although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: it can still modify or equivalently replace the technical scheme of the utility model, and these modifications or equivalent replacements cannot make the modified technical scheme deviate from the spirit and scope of the technical scheme of the utility model.

Claims

1. A stone breaker cutter shaft with a reducer and a cutter head, characterized in that: Including the knife shaft pipe, the speed reducer, the support disc, the knife pressure plate, the cutter head, the speed reducer is embeddedly arranged in the both ends of the knife shaft pipe, the knife shaft pipe is uniformly provided with a plurality of support discs, the support disc is uniformly provided with a plurality of cutter pressure plate placing grooves, the cutter pressure plate placing groove is uniformly provided with a plurality of cutter pressure plates, the cutter pressure plate is uniformly provided with a plurality of cutter heads, the cutter head is provided with a cutter head fixing plate, the cutter head fixing plate is provided with an intermediate partition, the cutter head fixing plate and the intermediate partition are connected with the cutter pressure plate.

2. The cutter shaft and cutter head of a scarifier with a speed reducer according to claim 1, characterized in that: One side of the cutter head is provided with a cutter head fixing groove, the cutter head fixing groove is connected with the cutter head fixing plate, the other side of the cutter head is connected with the cutter pressure plate.

3. The cutter shaft and cutter head of a scarifier with a speed reducer according to claim 2, characterized in that: The cutter pressure plate includes a front cutter pressure plate and a rear cutter pressure plate, the front cutter pressure plate is connected with one side of the cutter head, the rear cutter pressure plate is connected with the other side of the cutter head, the cutter head fixing plate and the intermediate partition are connected with the rear cutter pressure plate.

4. The cutter shaft and cutter head of a scarifier with a speed reducer according to claim 3, characterized in that: The cutter pressure plate placing groove includes a front plate placing groove and a rear plate placing groove, the front plate placing groove places the front cutter pressure plate, and the rear plate placing groove places the rear cutter pressure plate.

5. The cutter shaft and cutter head of a scarifier with a speed reducer according to claim 1, characterized in that: The speed reducer includes a speed reducer shaft and a bearing assembly, the speed reducer shaft is arranged at the center position of the knife shaft pipe, the bearing assembly is arranged between the speed reducer shaft and the knife shaft pipe, and an oil seal is arranged between the bearing assembly and the speed reducer shaft.

6. The cutter shaft and cutter head of a scarifier with a speed reducer according to claim 4, characterized in that: The interval distance between the cutter heads mounted on the cutter pressure plate is 50%-150% of the diameter of the cutter head.

7. The cutter shaft and cutter head of a scarifier with a speed reducer according to claim 6, characterized in that: The cutter heads are arranged in a central symmetric structure.

8. The cutter shaft and cutter head of a scarifier with a speed reducer according to claim 7, characterized in that: The cutter head is provided with a hard alloy cutter, and a wear-resistant coating is arranged below the hard alloy cutter.

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