CN113275084A

CN113275084A - Crushing structure for toothed roll crusher

Info

Publication number: CN113275084A
Application number: CN202110621660.1A
Authority: CN
Inventors: 郑中; 张永才; 谷振玲; 梁福兴
Original assignee: Tangshan Senpu Mining Equipment Co ltd
Current assignee: Tangshan Senpu Mining Equipment Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-08-20

Abstract

A crushing structure for a toothed roll crusher is characterized in that an adjustable side plate is arranged on a side frame of the crusher, and a comb plate is arranged on the side surface of the adjustable side plate; the crushing teeth in the comb plate are arranged on the outer side of the lower part of the comb plate body; the crushing toothed plate is arranged on the periphery of the gear hub, and a key is arranged on the inner side surface of the crushing toothed plate; the key is matched with the key groove on the gear hub; the crushing toothed plate is fixedly connected with the gear hub; the outer surface of the crushing toothed plate is provided with hidden teeth; the hidden teeth are positioned on the circumferential surface of the crushing toothed plate and are opposite to the crushing teeth; the upper end of the toothed plate body is provided with a hook head, and the hook head is in lap joint with a shoulder on the side surface of the adjustable side plate. The crushing teeth of the comb plate are of a multi-step layered structure from top to bottom, and the front end face of each step is an inwards concave cambered surface. The crushing structure ensures that the gear hub transmits power to the toothed plate to work reliably, and effectively prevents the situation that the crushed toothed plate is easy to loosen; through these designs, improved broken condition greatly, realized reducing the breaker energy consumption, improve work efficiency, the reliability is high, extension pinion rack life-span, characteristics such as during operation low dust, low noise, low pollution.

Description

Crushing structure for toothed roll crusher

Technical Field

The invention relates to the field of crushing equipment, in particular to a crushing structure applied to a toothed roll crusher.

Background

At present, the crushing components of a common double-tooth roller reverse rotation crusher at home and abroad are two pairs of tooth rollers and an upper side plate and a comb plate structure on the side surface. During operation, two pairs of fluted rollers reverse, and through its extrusion breakage to the material that forms with the side of last curb plate, fishback, through the pinion rack on the fluted roller with fix the fishback on adjustable curb plate, cut, split breakage to the material. The crushing structures have the defects of low efficiency, high vibration noise, easy loosening of the structure, short service life and the like of the crusher in use.

If because the position of fishback is fixed, consequently can appear often that the remaining little material of broken back persists in the broken tooth top of fishback, can not fall from the pinion rack clearance on fishback and the crushing roller, and the crushing roller lasts the rotation, and the rotation that the broken tooth of fishback both sides lasts fast has blocked the material and has caused it can not drop from both sides. The crushing treatment can not be carried out on the material because the tooth roller part opposite to the crushing teeth on the comb plate is the circumferential surface, the material continuously exists, the upper cutting edge of the crushing teeth of the comb plate is blocked, the subsequent crushed material can not be smoothly and efficiently carried out, great crushing resistance is generated, high stress friction, extrusion deformation and even fracture abrasion and loss on the tooth roller and the tooth plate are caused, the crushing efficiency is reduced, the use power consumption of the crusher is increased, the phenomena that the crushing structure such as the tooth plate and the comb plate are easy to loosen and the like are caused, the vibration noise of the equipment is large, dust is large and the like are caused, particularly, the residual material on the comb plate continuously exists, and continuously rubs the tooth roller and the tooth plate along with the rotation of the tooth roller, the abrasion is caused on the tooth plate, and the normal service life of the tooth plate is greatly shortened; in addition, the comb plate structure in the crushing structure is connected and fixed only by the bolt assembly and the adjustable side plate, the connection is unreliable and easy to loose, the tooth plate and the gear hub are fixedly provided with double nuts or common flat gaskets, and the counter bore casting surface of the fixed tooth plate is uneven, so that the comb plate structure is easy to loose in the crushing process and unreliable in work.

Disclosure of Invention

The invention provides a crushing structure for a toothed roll crusher, aiming at solving the defects of low efficiency, high vibration noise, easy loosening of the structure, short service life and the like of the crusher in the use of the crusher in the prior art, and particularly solving the problems of reduced crushing efficiency, power loss, easy loosening of a crushing mechanism, short service life of a toothed plate and the like caused by the fact that residual small materials remain above the teeth of the toothed plate after crushing.

In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows: a crushing structure for a toothed roll crusher comprises an adjustable side plate, a comb plate, a gear hub, a shaft and a crushing toothed plate; the adjustable side plates are arranged on the side frames of the crusher through connecting pieces, and the comb plate is arranged on the side surfaces of the adjustable side plates through the connecting pieces; the comb plate comprises a plate body and crushing teeth, and the crushing teeth are arranged on the outer side of the lower part of the plate body and are convex parts; the crushing toothed plate is arranged on the periphery of the gear hub, and a raised key is arranged on the inner side surface of the crushing toothed plate; the key is matched with a key groove on the gear hub;

the crushing toothed plate is fixedly connected with the gear hub through a high-strength connecting assembly; the outer surface of the crushing toothed plate is provided with hidden teeth;

the hidden teeth are positioned on the circumferential surface of the crushing toothed plate and are opposite to the crushing teeth on the comb plate; the upper end of the toothed plate body is provided with a hook head, and the hook head is in lap joint with the shoulder on the side face of the adjustable side plate.

As a preferred technical scheme: and a plurality of crushing toothed plates with the hidden teeth are distributed on the periphery of the gear hub.

As a preferred technical scheme: the hidden teeth are arranged at the thick-wall position in the middle of the crushing toothed plate.

As a preferred technical scheme: each crushing toothed plate is provided with a plurality of hidden teeth.

As a preferred technical scheme: the hidden tooth is in a sharp-mouth groove structure.

As a preferred technical scheme: the crushing teeth on the comb plate are of a multi-step type layered structure from top to bottom.

As a preferred technical scheme: the front end face of each step of the crushing tooth is an inwards concave cambered surface.

As a preferred technical scheme: the high-strength connecting assembly comprises a nylon locknut, an elastic washer and a T-shaped bolt; the crushing toothed plate and the gear hub are connected together by a T-shaped bolt, and an elastic gasket is sleeved on the upper part of the crushing toothed plate; the nylon check nut is sleeved at the upper end part of the T-shaped bolt.

As a preferred technical scheme: the elastic washer is a sheet body with an upper arched conical surface structure.

Compared with the prior art, the crushing structure disclosed by the invention has the advantages that the upper part of the comb plate is provided with the hook head structure, the teeth are provided with the plurality of steps, each crushing toothed plate is provided with the plurality of hidden teeth, and the scheme of fixing the toothed plate by using a nylon nut and conical elastic washer combination and a T-shaped bolt is adopted, so that the reliable transmission of power from the gear hub to the toothed plate is ensured, and the situation that the crushing toothed plate is easy to loosen is effectively prevented; through these designs, improved broken condition greatly, realized reducing the breaker energy consumption, improve work efficiency, the reliability is high, prolong the life-span of pinion rack greatly, characteristics such as during operation low dust, low noise, low pollution.

Drawings

Fig. 1 is a schematic cross-sectional structure of the present invention.

FIG. 2 is a schematic top view of the present invention.

Fig. 3 is a schematic structural diagram of a crushing toothed plate in the invention.

Fig. 4 is a sectional view taken along line a-a in fig. 3.

Fig. 5 is a schematic view of the comb plate structure of the present invention.

Fig. 6 is a cross-sectional view of fig. 5.

Fig. 7 is a cross-sectional view of a breaker tooth according to the present invention.

In the figure: side frame 1, upper side plate 2, adjustable side plate 3, comb plate 4, elastic washer 5, nylon locknut 6, broken toothed plate 7, 8T-shaped bolt, small material 9, key 10, toothed hub 11, shaft 12, hidden tooth 13, key 14, step 15, hook 16, toothed plate body 17 and broken tooth 18.

Detailed Description

The invention relates to a crushing structure of a gear roller crusher, which mainly changes that a comb plate is arranged on an adjustable side plate through a hook head structure, bolts and other connecting pieces, the upper part of the comb plate is provided with the hook head structure, a plurality of steps are arranged on teeth of the comb plate, a crusher gear roller consists of a plurality of crushing tooth plates, gear hubs and shafts which are distributed according to the circumference, each crushing tooth plate is fixedly connected with the gear hub shafts through two combination modes of key connection, a conical elastic washer and high-strength nylon anti-loosening screw connecting components, and a plurality of hidden teeth which are opposite to the crushing teeth on the comb plate are arranged on each crushing tooth plate.

The invention is further illustrated with reference to the following figures and examples.

Referring to fig. 1-7, the crushing structure disclosed by the invention is suitable for a double-geared roller crusher, and comprises an adjustable side plate 3, a comb plate 4, a gear hub 11, a shaft 12 and a crushing toothed plate 7. The adjustable side plate 3 is arranged on the side frame 1 of the crusher through connecting pieces such as bolts, and the comb plate 4 is arranged on the side surface of the adjustable side plate 3 through connecting pieces such as bolts; the crushing tooth plate 7 is installed on the outer circumference of the gear hub 11 through a connecting piece. The crusher toothed roll is composed of a plurality of crushing toothed plates 7, a toothed hub 11 and a shaft 12 which are distributed according to the circumference, each crushing toothed plate 7 is fixedly connected with the toothed hub 11 and the shaft 12 jointly in two combination modes of key connection and high-strength connecting assembly connection, and crushing torque is transmitted through key and bolt connection.

As a preferred technical scheme: the comb plate 4 comprises a plate body 17 and crushing teeth 18. The crushing teeth are arranged on the outer side of the lower part of the toothed plate body and are convex parts; the upper end of pinion rack body is provided with gib head 16, and the circular bead overlap joint of gib head and adjustable curb plate 3 side, and pinion rack body 17 rethread a plurality of bolt and nut subassemblies of fishback 4 are connected fixedly with adjustable curb plate 3. The crushing teeth 18 on the comb plate 4 are of a multi-step layered structure from top to bottom, and the front end faces of the steps 15 of the crushing teeth are concave cambered surfaces suitable for crushing materials.

The adjustable side plate 3 is fixedly connected with the side frame 1 through a plurality of bolt and nut assemblies, the upper side plate 2, the comb plate 4 and the toothed roller clamp and crush materials, and stress in the crushing process is finally transmitted to the side frame 1.

The comb plate 4 is fixedly connected to the adjustable side plate assembly through the hook head 16 design and the bolt nut assembly, the adjustable side plate 3 is fixedly connected with the side frame of the crusher, and the stress of the comb plate 4 during crushing is transmitted to the side frame through the adjustable side plate 3. Broken 18 upper portions of tooth on the fishback 4 adopt gib head 16 structure, can produce in the breakage and transmit for adjustable curb plate 3 to exerting oneself, great reinforcing the reliable and stable nature of fishback structure, the blade adopts the profile of tooth that sets up multichannel step 15 on broken 18, prevent that the material from letting the roll, strengthen dull polish 13 on the broken fishback 7 and carry out the breakage to the material, thereby can in time clear away the material that persists on the fishback 4, the broken 18 efficient of tooth and the broken tooth of fishback on the assurance fluted roller is cuted the breakage to the material, avoided remaining material to hinder normal breakage, it is high-efficient to make broken structure have, the energy consumption is low, and is long-lived, advantages such as low noise.

The inner side surface of the crushing toothed plate is provided with a raised key 14; the key 14 is fitted with a key groove on the outer periphery of the hub 11; the crushing toothed plate 7 is fixedly connected with the gear hub 11 through a high-strength connecting assembly; the outer surface of the crushing toothed plate 7 is provided with hidden teeth 13. The hidden teeth are positioned on the circumferential surface of the crushing toothed plate, which is opposite to the crushing teeth on the comb plate. A plurality of crushing toothed plates 7 with hidden teeth 13 are distributed on the periphery of the gear hub 11. The hidden teeth 13 are arranged at the thick wall position in the middle of the crushing toothed plate 7. Each crushing toothed plate 7 is provided with a plurality of hidden teeth 13. The hidden tooth 13 is a sharp-mouth groove structure. Broken pinion rack 7 on tooth hub 11 periphery is provided with the round hole of the counter bore of nut fixed tooth board except, broken pinion rack 7 with every row of pinion rack on broken tooth just right circumference, is provided with the groove structure of special design at pinion rack middle part thick wall position, the upside of recess sets to the broken profile of tooth of sharp mouth structure, the hidden tooth promptly. The hidden tooth can carry out crushing treatment to the material on the broken tooth 18 of card on fishback 4, and this department designs recess hidden tooth 13 and can also reduce pinion rack weight, and convenience of customers dismantles the maintenance, and the outer tip of hidden tooth 13 is the most advanced structure of profile of tooth, and along with the normal wearing and tearing of broken pinion rack 7, the profile of tooth of hidden tooth 13 has the effect from the coping. In the broken process of breaker, remaining fritter material 9 can not be broken and fall down in the top of the broken tooth 18 on fishback 4, and dull tooth 13 can be broken material 9 on broken fishback 7, and this scheme kills three birds with one stone: firstly, prevent the material to the wearing and tearing of fluted roller pinion rack, increase the pinion rack life-span, secondly subtract heavy to the pinion rack, be favorable to assembling with production handling equipment and user maintenance dismantlement equipment, thirdly make full use of pinion rack material and space design out new construction and carry out the breakage to the material, improve crushing efficiency.

As a preferred technical scheme, the high-strength connecting assembly comprises a nylon locknut 6, an elastic washer 5 and a T-shaped bolt 8. The T-shaped bolt 8 connects the crushing toothed plate 7 and the gear hub 11 together, the elastic washer 5 is sleeved on the upper portion of the crushing toothed plate, and the nylon locknut 6 is sleeved on the upper end portion of the T-shaped bolt 8. The elastic washer 5 is a sheet body with an upper arched conical surface structure. The T-shaped bolt 8 and the nylon locknut 6 form a bolt-nut pair, the thread of the T-shaped bolt 8 extrudes the nylon embedded in the nylon locknut 6 in the installation process, so that the nylon deforms, after the installation is finished, the nylon and the thread are in complete extrusion contact, the extruded nylon generates a great resilience force to the bolt, the friction is increased, the bolt is not easy to loosen due to the force, the nylon per se is acid and alkali resistant, in use, the nylon material can be prevented from being damaged by acid and alkali to reduce the locknut performance, the elastic washer 5 is a sheet washer with an upper arched conical surface structure, when the T-shaped bolt 8 and the nylon locknut 6 are connected and assembled, the axial load is applied, the deformation is generated to store the axial tension potential energy, when the T-shaped bolt 8 and the nylon locknut 6 are loosened, the elastic washer 5 rebounds to release the potential energy to play a role in locking, because the toothed plate is not well processed and very hard, and the step face in the counter bore of broken pinion rack 7 is better not processed because the shape restriction, consequently the nut packing ring of fixed broken pinion rack 7 and this step face surface unevenness of broken pinion rack 7 contact, cause the packing ring contact to be not real easily, the in-process packing ring that can produce the compress tightly presses at the high point, owing to the vibration in the crushing process, elastic packing ring 5 follows the local high point landing of contact surface, cause T type bolt 8 and nylon locknut 6 to become flexible, and elastic packing ring 5 produces deformation and stores axial tension potential energy, compensate because the counter bore surface unevenness causes the packing ring displacement and arouses the nut condition that the packing force changes and lead to that it is not hard up, thereby effectual locking performance that reaches, the reliability of fixed broken pinion rack 7 of reinforcing greatly.

Claims

1. A crushing structure for a toothed roll crusher comprises an adjustable side plate (3), a comb plate (4), a gear hub (11), a shaft (12) and a crushing toothed plate (7); the adjustable side plate (3) is arranged on a side frame of the crusher through a connecting piece, and the comb plate (4) is arranged on the side surface of the adjustable side plate (3) through the connecting piece; the comb plate (4) comprises a plate body (17) and crushing teeth (18), and the crushing teeth (18) are arranged on the outer side of the lower part of the plate body (17) and are convex parts; the crushing toothed plate (7) is arranged on the periphery of the gear hub (11), and a raised key (14) is arranged on the inner side surface of the crushing toothed plate (7); the key (14) is matched with a key groove on the gear hub (11); the method is characterized in that:

the crushing toothed plate (7) is fixedly connected with the gear hub (11) through a high-strength connecting assembly; the outer surface of the crushing toothed plate (7) is provided with hidden teeth (13);

the hidden teeth (13) are positioned on the circumferential surface of the crushing toothed plate (7) and are opposite to the crushing teeth (18) on the comb plate (4); the upper end of the toothed plate body (17) is provided with a hook head (16), and the hook head (16) is in lap joint with a shoulder on the side face of the adjustable side plate (3).

2. A crushing structure for a toothed roller crusher according to claim 1, characterized in that a plurality of crushing tooth plates (7) with the hidden teeth (13) are distributed on the outer periphery of the toothed hub (11).

3. A crushing structure for a toothed roller crusher according to claim 2, characterized in that the cogs (13) are arranged in thick-walled positions in the middle of the crushing tooth plate (7).

4. A crushing structure for a toothed roller crusher according to claim 3, characterized in that a plurality of said cogs (13) are provided on each of said crushing tooth plates (7).

5. A crushing structure for a toothed roller crusher according to claim 4, characterized in that the hidden teeth (13) are of a groove structure of the pointed type.

6. The crushing structure for a toothed roll crusher according to claim 1, characterized in that the crushing teeth (18) on the comb plate (4) are of a multi-step layered structure from top to bottom.

7. A crushing structure for a tooth roller crusher according to claim 6, characterized in that the front end surface of each step (15) of the crushing tooth (18) is concave arc surface.

8. A crushing structure for a toothed roller crusher according to claim 1, characterized in that said high-strength connecting assembly comprises a nylon locknut (6), a spring washer (5) and a T-bolt (8); the crushing toothed plate (7) and the gear hub (11) are connected together by a T-shaped bolt (8), and an elastic washer (5) is sleeved on the upper part of the crushing toothed plate; the nylon locknut (6) is sleeved on the upper end of the T-shaped bolt (8).

9. A crushing structure for a toothed roller crusher according to claim 8, characterized in that the elastic washer (5) is a sheet of an upper arched conical structure.