CN210875671U - Toothholder for gear crushing machine - Google Patents

Abstract

A tooth holder used on a tooth crusher comprises a block-shaped body, the front end surface of the block-shaped body is a working surface, the rear end surface of the block-shaped body is an assembly surface, the top and the front end of the front end surface are provided with an L-shaped groove, a hard alloy block with a notch is embedded in the groove, 2 square concave grooves are arranged at the lower part of the front end surface, the hard alloy blocks with the same size are embedded in the grooves, the bottom of the assembly surface of the rear end part is provided with a T-shaped inward-concave assembly hole, two inner sides of the bottom of the assembly hole are provided with slide rails for connecting a gear head, the upper end of T shape pilot hole is equipped with a circular locating hole that is the indent, locating hole central point department of putting still is equipped with a location bump, and it has structural design rationally, and the installation is fixed convenient, and wear-resisting, fastness are strong, long service life, reduce use cost, improve characteristics such as work efficiency.

Description

Toothholder for gear crushing machine

Technical Field

The utility model relates to a toothholder of using on garrulous tooth machine belongs to mechanical toothholder technical field.

Background

The crushing machine is a common large crushing machine, the tooth holder is very easy to damage, the tooth holder and the tooth head used by the common large crushing machine are integrally formed, the integral forming needs to be completely replaced once being damaged, the replacement is very inconvenient, the detachable tooth head and the tooth holder cannot be well spliced due to damage at the splicing part in the splicing process, the tooth head and the tooth holder need to be well assembled, and the tooth head and the tooth holder can easily fall off if common assembly is adopted.

Disclosure of Invention

An object of the utility model is to overcome the not enough of prior art existence, and provide a structural design is reasonable, and the installation is fixed convenient, and is wear-resisting, the fastness is strong, and long service life reduces use cost, improves work efficiency's a mechanical toothholder of pure machine of powder.

The utility model aims at accomplishing through following technical scheme, a toothholder of using on garrulous tooth machine, it includes cubic body, the preceding terminal surface of cubic body is the working face, and the rear end face is the assembly face, the top and the front end of preceding terminal surface are equipped with the recess of an L shape, and the embedded carbide piece that is equipped with a breach in this recess, the lower part position of preceding terminal surface is equipped with 2 squares and is the recess of concavity to inlay the carbide piece that is equipped with the size the same on the recess, the assembly face bottom of this rear end portion is equipped with a T shape and is the pilot hole of indent, two inboards in the bottom of pilot hole are equipped with the slide rail that is used for connecting the tooth head usefulness, the upper end of T shape pilot hole is equipped with a circular locating hole that is the indent, locating hole central point position department still is equipped with a location bump.

Preferably, the method comprises the following steps: the front end face is symmetrical about a central line and protrudes forwards, two sides of the front end face extend to the rear end towards two side faces, grooves used for holding the front end and the rear end are formed in the two side faces, a protruding sharp corner is further formed in the bottom of the front end face, a downward inclined transition face is arranged between the top and the bottom of the front end face, and the positioning hole is formed in the inclined transition face.

Preferably, the method comprises the following steps: the hard alloy block layer on the L-shaped groove at the top of the front end face is a U-shaped groove which is symmetrical left and right.

The utility model belongs to the improvement to prior art, it has structural design rationally, and the installation is fixed convenient, and is wear-resisting, fastness is strong, long service life, reduces use cost, improves characteristics such as work efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of fig. 1 taken along direction a.

Fig. 3 is a schematic view of fig. 1 in the direction B.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings: as shown in fig. 1-3, a toothholder for a tooth crusher comprises a block body 1, wherein a front end face 2 of the block body 1 is a working face, a rear end face is an assembly face 3, the top and the front end of the front end face 2 are provided with an L-shaped groove 4, a hard alloy block 5 with a notch is embedded in the groove 4, the lower part of the front end face is provided with 2 square concave grooves 6, the grooves are embedded with hard alloy blocks 7 with the same size, a T-shaped concave assembly hole 8 is arranged at the bottom of the assembly face 4 of the rear end part, slide rails 9 for connecting a tooth head are arranged on two inner sides of the bottom of the assembly hole 8, a circular concave positioning hole 10 is arranged at the upper end of the T-shaped assembly hole, and a positioning bump 11 is further arranged at the center of the positioning hole 10.

As shown in the figure: the front end face is symmetrical about a central line 12 and protrudes forwards, two sides of the front end face extend to the rear end towards two side faces, grooves 13 for holding are formed in the two side faces, a protruding sharp corner 14 is further formed in the bottom of the front end face, a downward-inclined transition face 15 is arranged between the top and the bottom of the front end face, and the positioning hole 10 is formed in the transition face 15.

Hard alloy block layer on the recess of preceding terminal surface top L type is a U type recess 16 of bilateral symmetry.

Claims (3)

1. The utility model provides a toothholder of using on garrulous tooth machine, it includes cubic body, its characterized in that the preceding terminal surface of cubic body is the working face, and the rear end face is the assembly face, the top and the front end of preceding terminal surface are equipped with the recess of an L shape, and this recess is embedded to be equipped with a carbide piece of taking the breach, the lower part position of preceding terminal surface is equipped with 2 squares and is the recess of indent form to inlay on the recess and be equipped with the same carbide piece of size, the assembly face bottom of this back tip is equipped with a T shape and is the pilot hole of indent, two inboards in the bottom of pilot hole are equipped with the slide rail that is used for connecting the tooth head usefulness, the upper end of T shape pilot hole is equipped with a circular locating hole that is the indent, locating hole central point department of putting still is equipped with a.

2. A tooth holder for a tooth crusher as claimed in claim 1, wherein said front face is symmetrical about a central axis and projects forward, both sides of said front face extend to the rear end toward both sides, and grooves are provided on both sides for holding, and a bottom of said front face is provided with a projecting sharp corner portion, a transition surface sloping downward is provided between the top and bottom of said working face, and said positioning hole is provided on the sloping surface of said transition.

3. A tooth holder for a tooth crusher as claimed in claim 2, wherein the hard alloy block layer on the L-shaped groove at the top of the front end face is a U-shaped groove which is symmetrical left and right.

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