CN211534115U

CN211534115U - Shredding knife brake structure and shredding machine

Info

Publication number: CN211534115U
Application number: CN201922501118.3U
Authority: CN
Inventors: 刘林; 王得隆
Original assignee: Jiangmen Kingfai Electrical Appliance Ind Co ltd
Current assignee: Jiangmen Kingfai Electrical Appliance Ind Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-22
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a brake structure of a chopping knife and a chopper adopting the brake structure of the chopping knife. The chopping knife brake structure comprises a cup body and is suitable for mounting a chopping knife, and a vertical rod protruding upwards is arranged at the bottom of the cup body; the utility model provides a chopper, chopper includes the blade holder, the blade holder is provided with the blade outward, the inside cavity that is provided with of blade holder, the blade holder lower part corresponds the montant has been seted up the perforation, the perforation intercommunication the cavity, the blade holder by supreme brake glue, brake slider and the compression spring of setting up respectively down in the cavity, be provided with on the brake glue and let the perforation that the montant passed, the montant ejection the brake slider rebound. When the chopping knife is arranged on the cup body and enters a working state, the vertical rod jacks up the brake sliding block, and the chopping knife works normally; when the cup cover is opened and the chopping knife is taken out, the chopping knife rises to separate from the vertical rod, the brake sliding block moves downwards under the thrust of the compression spring to rub with the brake rubber, and the chopping knife is quickly stopped and stopped.

Description

Shredding knife brake structure and shredding machine

Technical Field

The utility model relates to a domestic appliance field, concretely relates to chopper brake structure, and use chopper of this brake structure.

Background

The existing chopper comprises a cup body for containing materials, a chopper which can rotate at a high speed is arranged in the cup body, a power machine head is arranged above the cup body, and a motor is arranged in the power machine head and used for driving the chopper to rotate so as to chop the materials.

Because the shredding knife has certain danger when rotating at high speed, in order to ensure safety, the existing shredding machine is generally provided with an electrically-linked safety switch. When the power machine head, the chopping knife and the cup body are combined completely, the machine can be started to enable the chopping knife to rotate; the power supply must be turned off first to detach the cutter head and the cutter. However, the safety switch has a leak, and the chopper is still kept at a high rotation speed immediately after the power is cut off, and the rotation of the chopper cannot be stopped immediately, which causes a great safety hazard, and in this case, the operator is not waiting (waiting for the chopper to decelerate or even stop rotating) and takes out the power head and the chopper, which causes danger.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a chopper brake structure. The braking structure of the shredding knife can automatically and quickly brake and stop the shredding knife when an operator takes out the shredding knife, and safety is improved.

The utility model also provides an use this chopper brake structure's mincer.

According to the utility model discloses a first aspect provides a chopper brake structure, include: the cup body is suitable for mounting a chopping knife, and the bottom of the cup body is provided with an upward convex vertical rod; the utility model provides a chopper, chopper includes the blade holder, the blade holder is provided with the blade outward, the inside cavity that is provided with of blade holder, the blade holder lower part corresponds the montant has been seted up the perforation, the perforation intercommunication the cavity, the blade holder by supreme brake glue, brake slider and the compression spring of setting up respectively down in the cavity, be provided with on the brake glue and let the perforation that the montant passed, the montant ejection the brake slider rebound.

The braking structure of the chopping knife at least has the following beneficial effects: when the chopping knife is arranged on the cup body and enters a working state, the vertical rod jacks up the brake sliding block, and the chopping knife works normally; when the cup cover is opened and the chopping knife is taken out, the chopping knife rises to separate from the vertical rod, the brake sliding block moves downwards under the thrust of the compression spring to rub with the brake rubber, and the chopping knife is quickly stopped and stopped.

According to the utility model discloses first aspect shredding knife brake structure, the blade holder bottom is provided with the blade holder stopper, be provided with on the blade holder stopper and let the perforation that the montant passed.

According to a second aspect of the present invention, there is provided a shredder comprising the first aspect of the present invention.

The shredder at least has the following beneficial effects: when the chopper stops to take out the chopper, the chopper is braked quickly under the action of the chopper braking structure, so that the safety is improved.

According to the utility model discloses the mincer of second aspect still includes shredding knife driving motor, shredding knife driving motor detachable connections is in cup top, the shredding knife is connected shredding knife driving motor bottom.

Drawings

The invention is further described below with reference to the accompanying drawings and examples.

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

FIG. 2 is an exploded view of the shredder of FIG. 1.

FIG. 3 is a schematic view of the shredder blade mount and brake assembly.

Fig. 4 is a schematic structural view of the brake assembly.

FIG. 5 is a diagram of the relative positions of the brake assembly and the shredder blades when the power head is installed.

FIG. 6 is a diagram of the relative positions of the brake assembly and the shredder blade after the power head has been removed.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 and 2, the present invention provides a preferred embodiment of a chopper brake structure including a power head 10, a chopper mount 20, and a cup 30. The power head 10 is internally provided with a motor and a power module. The middle part of the chopping blade mounting seat 20 is provided with a chopping blade 21, the chopping blade 21 can be rotatably arranged, the main body of the chopping blade 21 extends into the cup body 30, the top end of the chopping blade 21 is exposed above the chopping blade mounting seat 20, and the top end of the chopping blade 21 is provided with an external spline. The inside of the power head 10 is provided with an internal spline matched with the external spline of the chopping knife 21, and the motor drives the chopping knife 21 to rotate at a high speed through the connection of the internal spline and the external spline.

Referring to FIG. 3, the chopper mounting block 20 is provided with a recess having a plurality of braking assemblies 23 disposed therein, the braking assemblies 23 being distributed about the periphery of the external splines 211 of the chopper 21.

Referring to fig. 4, the brake assembly includes a pressing pin 231, a pressing rod 232, a brake slider 233, and a brake spring 234. Preferably, the pressing pin 231 and the pressing rod 232 are integrally provided. The pressing pin 231 is vertically disposed to protrude upward. The pressing rod 232 is horizontally arranged, one end of the pressing rod 232 is inserted on a mounting pin of the shredding knife mounting seat through a mounting hole, and a second inclined surface 2321 is arranged below the other end of the pressing rod 232. The brake slider 233 is slidably disposed toward the outer spline of the chopper, a locking protrusion 2332 is disposed at the front end of the brake slider 233, and the shape of the locking protrusion 2332 corresponds to the shape of the outer spline of the chopper. The brake slider 233 is provided with a first inclined surface 2331, and the first inclined surface 2331 and the second inclined surface 2321 are correspondingly matched. The rear end of the brake slider 233 is provided with a spring mounting pin. The brake spring 234 is mounted on a spring mounting pin of the brake slider 233, the other end of the brake spring 234 abuts against the chopper mounting seat, and the brake spring 234 urges the brake slider 233 forward. It will be appreciated that the front end of the brake slide 233 is the end facing the external splines of the chopper and the rear end of the brake slide 233 is the end facing away from the front end.

Further, a spring mounting pin is arranged below the pressing rod 233, and a return spring 235 is arranged below the pressing rod 233. The return spring 235 is mounted on a spring mounting pin of the strut 233, with the other end of the return spring 235 abutting against the chopper mount. The return spring 235 provides an upward pushing force so that the pressing rod 233 can be quickly lifted and returned.

Preferably, referring to fig. 2, a cover 22 is further disposed on the upper portion of the groove, a through hole for extending the pressing pin 231 is disposed on the cover 22, and the extended pressing pin 231 is pressed after the power head 10 is installed.

Preferably, referring to FIG. 3, a guide slot is provided in the chopper mounting base 20 and the brake slide 233 is slidably disposed in the guide slot. The sliding route of the brake sliding block 233 is limited by the guide groove, and the precision of the equipment action is guaranteed.

The braking structure working principle of the chopping knife in the scheme is as follows: referring to fig. 5, after the cup, chopper mount, chopper and power head are installed as desired, the power head presses the press pin, triggering the brake assembly 23: the pressing rod is pressed down, the pressing rod pushes the brake sliding block to move backwards through the second inclined plane, and the clamping convex block of the brake sliding block leaves the external spline 211 of the chopping knife without interfering the normal work of the chopping knife 21. Referring to fig. 6, when the power head is removed, the brake assembly 23 is reset: the pressure bar rises fast under the reset spring effect and leaves the brake slider, and the brake slider moves forward under the brake spring promotion, and the screens lug blocks the external splines 211 of shredding sword, makes shredding sword 21 stall at once, and the operator can be safe demolish shredding sword mount pad and shredding sword, improves the security performance of equipment greatly.

Compared with the prior art, the chopper brake structure can avoid potential safety hazards, improve the safety performance of products, and enable users to use the chopper more confidently, thereby improving competitiveness.

Above, only the preferred embodiment of the present invention has been described, the present invention is not limited to the above embodiment, and the technical effects of the present invention can be achieved by the same means, which all belong to the protection scope of the present invention.

Claims

1. Chopper brake structure, its characterized in that includes:

the cup body is suitable for mounting a chopping knife, and the bottom of the cup body is provided with an upward convex vertical rod;

the utility model provides a chopper, chopper includes the blade holder, the blade holder is provided with the blade outward, the inside cavity that is provided with of blade holder, the blade holder lower part corresponds the montant has been seted up the perforation, the perforation intercommunication the cavity, the blade holder by supreme brake glue, brake slider and the compression spring of setting up respectively down in the cavity, be provided with on the brake glue and let the perforation that the montant passed, the montant ejection the brake slider rebound.

2. A chopper brake structure as claimed in claim 1, wherein a chopper plug is provided at a bottom of the chopper seat, and a through hole is provided on the chopper plug to allow the vertical rod to pass therethrough.

3. A shredder comprising a shredder blade braking arrangement according to any one of claims 1 to 2.

4. A shredder according to claim 3, further comprising a shredder drive motor removably connected above the cup, the shredder being connected to the bottom of the shredder drive motor.