CN109623653B

CN109623653B - Quick installation mechanism of trigeminy emery wheel

Info

Publication number: CN109623653B
Application number: CN201811561333.6A
Authority: CN
Inventors: 聂琮力
Original assignee: Individual
Current assignee: Li Chang
Priority date: 2018-12-20
Filing date: 2018-12-20
Publication date: 2020-04-24
Anticipated expiration: 2038-12-20
Also published as: CN109623653A

Abstract

The invention discloses a quick mounting mechanism for a triple grinding wheel, which comprises a telescopic assembly, a main shaft, a rack mandrel and two or more than two pressing devices, wherein the rack mandrel is sleeved in the main shaft and can rotate along with the main shaft; the rack core shaft is driven by the telescopic assembly to move back and forth, and the pressing device is driven to clamp and loosen the grinding wheels, so that the installation and the disassembly of a plurality of grinding wheels are realized, the processing requirements of different grinding machines are met, the applicability is stronger, the installation and the disassembly of the grinding wheels are more convenient and faster, the time for assembling and disassembling the grinding wheels is greatly saved, and the working efficiency is improved.

Description

Quick installation mechanism of trigeminy emery wheel

Technical Field

The invention relates to the technical field of grinding wheels, in particular to a quick mounting mechanism for a triple grinding wheel.

Background

The existing grinding wheel fixing mode is that a nut with reverse threads is used for screwing a grinding wheel on a main shaft of a grinding machine, and when the grinding wheel is replaced, a special tool is needed to disassemble the nut, so that the replacement is time-consuming and labor-consuming, inconvenient and rapid, and the working efficiency is influenced.

Disclosure of Invention

The invention aims to overcome the defects and provide a quick mounting mechanism for a triple grinding wheel.

In order to achieve the purpose, the invention adopts the following specific scheme:

a triple grinding wheel quick mounting mechanism comprises a telescopic assembly, a main shaft, a rack core shaft, two or more pressing devices and a large belt wheel used for being connected with an external power mechanism, wherein one end of the main shaft is movably connected to the telescopic assembly, the rack core shaft is sleeved in the main shaft and can rotate along with the main shaft, one end of the rack core shaft is connected with the output end of the telescopic assembly, the pressing devices comprise three pressing assemblies, a containing groove for containing the pressing assemblies is formed in the main shaft, the three pressing assemblies are arranged in the circumferential direction of the main shaft at equal intervals, each pressing assembly comprises a duplicate gear, a cylindrical gear, a first pressing claw and a second pressing claw, the duplicate gear is connected to the main shaft through a pin shaft, the duplicate gear comprises a large gear and a small gear, the large gear is meshed with teeth on the rack core shaft, and the first pressing claw is fixedly connected with the large gear, the pinion is meshed with the cylindrical gear, the cylindrical gear is connected to the main shaft in a shaft mode through a pin shaft, and the second pressing claw is fixedly connected with the cylindrical gear and arranged symmetrically to the first pressing claw.

Wherein, the number of the pressing devices is three.

The telescopic assembly comprises a telescopic cylinder, a reverse U-shaped support, a switching seat, a first bearing, a bearing mandrel and a second bearing, the telescopic cylinder is fixed at one end of the support, the switching seat is connected with the output end of the telescopic cylinder, the first bearing and the bearing mandrel are arranged in the switching seat, the bearing mandrel is matched with the first bearing and connected with the rack mandrel, and the main shaft is connected to the other end of the support through the second bearing.

The invention has the beneficial effects that: the rack core shaft is driven by the telescopic assembly to move back and forth, and the pressing device is driven to clamp and loosen the grinding wheels, so that the installation and the disassembly of a plurality of grinding wheels are realized, the processing requirements of different grinding machines are met, the applicability is stronger, the installation and the disassembly of the grinding wheels are more convenient and quicker, the replacement of the grinding wheels is facilitated, the time for assembling and disassembling the grinding wheels is greatly saved, and the working efficiency is improved.

Drawings

FIG. 1 is a view showing a state of use when clamping a grinding wheel according to the present invention;

FIG. 2 is a view of another perspective of use of the present invention for clamping a grinding wheel;

FIG. 3 is a schematic view of the wheel unclamping configuration of the present invention;

FIG. 4 is a schematic view of the engagement of the rack spindle, grinding wheel and hold-down device of the present invention;

FIG. 5 is a schematic view of the engagement of the rack spindle with the hold-down device of the present invention;

FIG. 6 is a schematic view of the construction of the pressing device of the present invention;

FIG. 7 is a schematic view of the telescoping assembly of the present invention;

description of reference numerals: 1-a telescopic assembly; 11-a telescopic cylinder; 12-a scaffold; 13-an adapter; 14-a first bearing; 15-a bearing mandrel; 16-a second bearing; 2-a main shaft; 3-a rack mandrel; 4-a pressing device; 41-a pressing component; 411-duplicate gear; 4111-big gear; 4112-pinion; 412-cylindrical gear; 413-a first press jaw; 414-second press jaw; 5-large belt wheel; 6-grinding wheel.

Detailed Description

The invention will be described in further detail with reference to the following figures and specific examples, without limiting the scope of the invention.

As shown in fig. 1 to 7, the triple grinding wheel quick mounting mechanism of the embodiment includes a telescopic assembly 1, a main shaft 2, a rack mandrel 3, two or more pressing devices 4, and a large belt wheel 5 for connecting with an external power mechanism, one end of the main shaft 2 is movably connected to the telescopic assembly 1, the rack mandrel 3 is sleeved in the main shaft 2 and can rotate with the main shaft 2, one end of the rack mandrel 3 is connected to an output end of the telescopic assembly 1, the pressing devices 4 include three pressing assemblies 41, the main shaft 2 is provided with an accommodating groove for accommodating the pressing assemblies 41, the three pressing assemblies 41 are arranged at equal intervals along the circumferential direction of the main shaft 2, the pressing assemblies 41 include a duplicate gear 411, a cylindrical gear 412, a first pressing claw 413 and a second pressing claw 414, the duplicate gear 411 is coupled to the main shaft 2 through a pin shaft, the duplicate gear 411 comprises a large gear 4111 and a small gear 4112, the large gear 4111 is engaged with teeth on the rack mandrel 3, the first pressing claw 413 is fixedly connected with the large gear 4111, the small gear 4112 is engaged with the cylindrical gear 412, the cylindrical gear 412 is coupled to the spindle 2 through a pin shaft, and the second pressing claw 414 is fixedly connected with the cylindrical gear 412 and symmetrically arranged with the first pressing claw 413. Preferably, the number of said pressing means 4 is three.

During installation, the telescopic assembly 1 drives the rack mandrel 3 to move towards the telescopic assembly 1, so that the first pressing claw 413 and the second pressing claw 414 move back to back until the first pressing claw 413 and the second pressing claw 414 are completely positioned in the accommodating groove, then the three grinding wheels 6 are sequentially sleeved on the spindle 2, each grinding wheel 6 is positioned between the first pressing claw 413 and the second pressing claw 414, then the telescopic assembly 1 drives the rack mandrel 3 to move away from the telescopic assembly 1, so that the first pressing claw 413 and the second pressing claw 414 are driven to move oppositely until the grinding wheels 6 are tightly pressed, so that the grinding wheels 6 are clamped, after the grinding wheels 6 are installed, an external power mechanism drives the large belt wheel 5 to rotate, the large belt wheel 5 drives the spindle 2 to rotate, and the spindle 2 drives the rack mandrel 3 and the grinding wheels 6 to rotate, so that the grinding wheels 6 are machined; when the grinding wheel 6 needs to be replaced, the telescopic assembly 1 drives the rack mandrel 3 to move towards the telescopic assembly 1, so that the first pressing claw 413 and the second pressing claw 414 move back to back until the first pressing claw 413 and the second pressing claw 414 are located in the accommodating groove, so that the first pressing claw 413 and the second pressing claw 414 loosen the grinding wheel 6, and then the grinding wheel 6 is replaced.

This embodiment drives rack dabber 3 back and forth movement through flexible subassembly 1, drives closing device 4 and presss from both sides tightly and loosen emery wheel 6 to realize the installation and the dismantlement of a plurality of emery wheels 6, satisfy different grinding machine processing demands, the suitability is stronger, makes emery wheel 6's installation more convenient, swift with the dismantlement simultaneously, does benefit to emery wheel 6's change, has practiced thrift the time of assembling, dismantling emery wheel 6 greatly, improves work efficiency.

As shown in fig. 1 to 3 and 7, based on the above embodiment, further, the telescopic assembly 1 includes a telescopic cylinder 11, an inverted-u-shaped bracket 12, an adapter 13, a first bearing 14, a bearing mandrel 15 and a second bearing 16, the telescopic cylinder 11 is fixed at one end of the bracket 12, the adapter 13 is connected to an output end of the telescopic cylinder 11, the first bearing 14 and the bearing mandrel 15 are both disposed in the adapter 13, the bearing mandrel 15 is matched with the first bearing 14 and connected to the rack mandrel 3, the spindle 2 is connected to the other end of the bracket 12 through the second bearing 16, specifically, when the telescopic cylinder 11 drives the rack mandrel 3 to move, so as to implement mounting and dismounting of the grinding wheel 6, the mechanical operation and the efficiency are higher, when the external power mechanism drives the spindle 2 to rotate, the rack mandrel 3 is fixedly connected to the bearing mandrel 15, and the bearing spindle 15 cooperates with the first bearing 14 to effect rotation of the rack spindle 3 with the spindle 2.

The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present patent application are included in the protection scope of the present patent application.

Claims

1. The utility model provides a quick installation mechanism of trigeminy emery wheel, its characterized in that, includes flexible subassembly (1), main shaft (2), rack dabber (3), two or more closing device (4), is used for big band pulley (5) be connected with external power unit, the one end swing joint of main shaft (2) is on flexible subassembly (1), rack dabber (3) cover is established in main shaft (2) and can be rotatory along with main shaft (2), the one end of rack dabber (3) is connected with the output of flexible subassembly (1), closing device (4) include three compress tightly subassembly (41), be equipped with the storage tank that the holding compressed tightly subassembly (41) on main shaft (2), it is three compress tightly subassembly (41) and arrange the setting along the circumference of main shaft (2) at equal intervals, compress tightly subassembly (41) and include duplicate gear (411), cylindrical gear (412), The double gear (411) is connected to the main shaft (2) in a shaft-to-shaft mode through a pin shaft, the double gear (411) comprises a large gear (4111) and a small gear (4112), the large gear (4111) is meshed with teeth on the rack mandrel (3), the first pressing claw (413) is fixedly connected with the large gear (4111), the small gear (4112) is meshed with the cylindrical gear (412), the cylindrical gear (412) is connected to the main shaft (2) in a shaft-to-shaft mode through a pin shaft, and the second pressing claw (414) is fixedly connected with the cylindrical gear (412) and symmetrically arranged with the first pressing claw (413);

during installation, the telescopic assembly (1) drives the rack mandrel (3) to move towards the telescopic assembly (1), so that the first pressing claw (413) and the second pressing claw (414) move back to back until the first pressing claw (413) and the second pressing claw (414) are located in the accommodating groove, then three grinding wheels (6) are sequentially sleeved on the spindle (2), each grinding wheel (6) is located between the first pressing claw (413) and the second pressing claw (414), then the telescopic assembly (1) drives the rack mandrel (3) to move away from the telescopic assembly (1), so that the first pressing claw (413) and the second pressing claw (414) are driven to move towards each other until the grinding wheels (6) are pressed tightly, so that the grinding wheels (6) are clamped, after the grinding wheels (6) are installed, the external power mechanism drives the large belt wheel (5) to rotate, the large belt wheel (5) drives the spindle (2) to rotate, and the spindle (2) drives the rack (3), The grinding wheel (6) rotates, so that the grinding wheel (6) is machined; when the grinding wheel (6) needs to be replaced, the telescopic assembly (1) drives the rack mandrel (3) to move towards the telescopic assembly (1), so that the first pressing claw (413) and the second pressing claw (414) move back to back until the first pressing claw (413) and the second pressing claw (414) are located in the accommodating groove, so that the grinding wheel (6) is loosened by the first pressing claw (413) and the second pressing claw (414), and then the grinding wheel (6) is replaced.

2. The triple grinding wheel quick-mounting mechanism as claimed in claim 1, characterized in that the number of said pressing devices (4) is three.

3. The triple grinding wheel quick mounting mechanism is characterized in that the telescopic assembly (1) comprises a telescopic cylinder (11), an inverted U-shaped support (12), an adapter (13), a first bearing (14), a bearing mandrel (15) and a second bearing (16), the telescopic cylinder (11) is fixed at one end of the support (12), the adapter (13) is connected with the output end of the telescopic cylinder (11), the first bearing (14) and the bearing mandrel (15) are arranged in the adapter (13), the bearing mandrel (15) is matched with the first bearing (14) and connected with the rack mandrel (3), and the main shaft (2) is connected at the other end of the support (12) through the second bearing (16).

4. The triple grinding wheel quick mounting mechanism is characterized in that the telescopic assembly (1) comprises a telescopic cylinder (11), an inverted U-shaped support (12), an adapter (13), a first bearing (14), a bearing mandrel (15) and a second bearing (16), the telescopic cylinder (11) is fixed at one end of the support (12), the adapter (13) is connected with the output end of the telescopic cylinder (11), the first bearing (14) and the bearing mandrel (15) are arranged in the adapter (13), the bearing mandrel (15) is matched with the first bearing (14) and connected with the rack mandrel (3), and the main shaft (2) is connected at the other end of the support (12) through the second bearing (16).