CN212857909U

CN212857909U - Tool rest assembly and sharpening machine

Info

Publication number: CN212857909U
Application number: CN202021383216.8U
Authority: CN
Inventors: 杨贤德; 冷妍; 刘军良; 王初一; 黄航义; 李才华
Original assignee: Guangzhou Jidong Welding Machinery Co ltd
Current assignee: Guangzhou Jidong Welding Machinery Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-04-02
Anticipated expiration: 2030-07-14

Abstract

The utility model discloses an including knife rest, blade and dabber, the blade sets up the periphery of knife rest, the dabber sets up the upper end of knife rest. The utility model also discloses a sharpening machine of constituting by above-mentioned knife rest assembly. Compared with the prior art, the utility model the advantage that has is: the utility model discloses a knife rest assembly is suitable for coping electrode cover.

Description

Tool rest assembly and sharpening machine

Technical Field

The utility model relates to a resistance welding technical field especially relates to a knife rest assembly and sharpening machine that constitutes thereof.

Background

In an automobile production line, the important link of spot welding is omitted, so that the electrode cap needs to be polished by a polishing machine. However, the blade holder assembly of a conventional sharpening machine generally comprises a blade holder and a blade mounted on the blade holder, and can only be used for sharpening the electrode cap, but cannot be used for sharpening the electrode cover.

There is a need for improvement.

Disclosure of Invention

Not enough to prior art exists, the utility model aims to provide a be suitable for knife rest assembly and sharpening machine of coping electrode lid.

In order to realize the purpose, the following technical scheme is provided:

a blade carrier assembly comprising a blade carrier, a blade disposed about the periphery of the blade carrier, and a spindle disposed at the upper end of the blade carrier.

Optionally, the blade is fixedly attached to the outer periphery of the blade holder by bolts.

Optionally, there are two of the blades, and the two blades are symmetrically arranged on the tool holder along the rotation center of the tool holder.

Optionally, the mandrel comprises a screw portion and a tool head portion, and the upper end surface of the tool rest is provided with a threaded hole matched with the screw portion of the mandrel.

Optionally, the tool rest further comprises a tool rest connecting seat and an inner hexagonal set screw, the tool rest connecting seat comprises a peripheral wall and a central hole surrounded by the peripheral wall, the tool rest is provided with a tool rest central shaft, the tool rest central shaft is inserted into the central hole of the tool rest connecting seat from top to bottom, a radial threaded hole is formed in the peripheral wall of the tool rest connecting seat, an external thread matched with the radial threaded hole is formed in the inner hexagonal set screw, the inner hexagonal set screw is in threaded fit with the radial threaded hole, and one end, facing the central hole, of the inner hexagonal set screw abuts against the tool rest central shaft so that the tool rest is fixedly connected to the tool rest connecting seat.

Optionally, a limiting notch portion is arranged on one surface of the tool rest central shaft facing the hexagon socket head cap set screw.

Optionally, the upper end surface of the blade is provided with a grinding groove, and the mandrel is provided with at least one blade along the circumferential direction.

A sharpening machine is characterized by comprising the tool rest component.

A sharpening machine is characterized by comprising the tool rest assembly, the sharpening machine comprises a gear box, a motor gear, a speed change gear shaft assembly, an idler wheel and a tool rest gear, the gear box is arranged at one end of the motor, the motor gear, the speed change gear shaft assembly, the idler wheel and the tool rest gear are arranged in the gear box, an output shaft of the motor is connected with the motor gear, the speed change gear shaft assembly comprises a speed change gear shaft, a large gear and a small gear, the large gear and the small gear are coaxially arranged on the speed change gear shaft, the large gear is meshed with the motor gear, the small gear is meshed with one side edge of the idler wheel, the other side edge of the idler wheel is meshed with the tool rest gear,

the knife rest connecting seat further comprises an end face connecting portion extending outwards along the upper end face of the peripheral wall in the radial direction, a gear shaft mounting hole is formed in the knife rest gear shaft, an annular step is convexly arranged on the inner wall of the gear shaft mounting hole, the peripheral wall of the knife rest connecting seat is matched with the shape of an inner hole defined by the annular step, the peripheral wall of the knife rest connecting seat is inserted into the gear shaft mounting hole from top to bottom, the lower end face of the end face connecting portion is attached to the annular step, a step threaded hole is formed in the annular step, a through hole is correspondingly formed in the end face connecting portion, and the end face connecting portion is locked.

Optionally, the idler gear is arranged on an idler gear shaft, the tool rest gear is arranged on a tool rest gear shaft, two ends of the speed change gear shaft, two ends of the idler gear shaft and two ends of the tool rest gear shaft are respectively fixed with an inner ring of a bearing, a bearing seat for mounting the bearing is correspondingly arranged on the inner wall of the gear box, and an outer ring of the bearing is fixed in the bearing seat.

After the structure is adopted, compared with the prior art, the utility model the advantage that has is: the utility model discloses a knife rest assembly includes blade and dabber, and blade and dabber carry out the coping to the bottom surface and the hole of electrode lid respectively.

Drawings

FIG. 1 is an overall structure view of the sharpening machine of the present invention;

FIG. 2 is an exploded view of the tool holder assembly, the connecting base, and the tool holder gear shaft of the present invention;

FIG. 3 is an exploded view of the tool holder assembly of the present invention;

FIG. 4 is an elevation view of the tool holder assembly of the present invention;

FIG. 5 is a schematic structural view of the grinding electrode cap of the tool holder assembly of the present invention;

FIG. 6 is an exploded view of the sharpening machine of the present invention, schematically shown in FIG. 1;

fig. 7 is an exploded schematic view 2 of the sharpening machine of the present invention.

Detailed Description

Embodiments of the present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-5, the present invention provides a tool holder assembly comprising a tool holder 91, a blade 93, and a mandrel 95. A blade 93 is provided on the outer periphery of the tool holder 91, and a mandrel 95 is provided on the upper end of the tool holder 91.

The blade 93 is fixedly attached to the outer periphery of the tool holder 91 by a bolt 94.

The two blades 93 are provided, and the two blades 93 are symmetrically arranged on the tool holder 91 along the rotational center of the tool holder.

The mandrel 95 comprises a screw portion 951 and a cutter head portion 952, a threaded hole 910 matched with the screw portion 951 of the mandrel is formed in the upper end face of the cutter rest 91, and the mandrel 95 is fixed to the upper end of the cutter rest 91 in a threaded connection mode.

In a further technical scheme, the tool rest device further comprises a tool rest connecting seat 92 and a hexagonal set screw 96, wherein the tool rest 91 is arranged on the tool rest connecting seat 92. The tool rest connecting seat 92 is used for being fixedly connected with a tool rest gear shaft 61 of the sharpening machine. The tool holder connecting seat 92 comprises a peripheral wall 921 and a central hole 920 enclosed by the peripheral wall 921, the tool holder 91 is provided with a tool holder central shaft 911, the tool holder central shaft 911 is inserted into the central hole 920 of the tool holder connecting seat 92 from top to bottom, the peripheral wall 921 of the tool holder connecting seat 92 is provided with a radial threaded hole 9210, the inner hexagon set screw 96 is provided with an external thread matched with the radial threaded hole 9210, the inner hexagon set screw 96 is in threaded fit with the radial threaded hole 9210, and one end, facing the central hole 920, of the inner hexagon set screw 96 abuts against the tool holder central shaft 911 so as to fix the tool holder 91 on the tool holder connecting seat 92.

Preferably, a limiting notch portion 9110 is arranged on one surface of the tool holder central shaft 911 facing the hexagon socket head cap screw 96, and after the hexagon socket head cap screw 96 is screwed down, one end of the hexagon socket head cap screw 96 facing the central hole 920 abuts against the limiting notch portion 9110, so that the angle deflection between the tool holder central shaft 911 and the tool holder connecting seat 92 can be prevented in the grinding process.

The tool rest connecting seat 92 further comprises an end face connecting part 922 extending outwards along the upper end face of the peripheral wall 921 in the radial direction, a gear shaft mounting hole 610 is formed in the tool rest gear shaft 61, an annular step 612 is convexly formed in the inner wall of the gear shaft mounting hole 610, the peripheral wall 921 of the tool rest connecting seat 91 is matched with the shape of an inner hole formed by the annular step 612 in a surrounding mode, the peripheral wall 921 of the tool rest connecting seat 91 is inserted into the gear shaft mounting hole 610 from top to bottom, the lower end face of the end face connecting part 922 of the tool rest connecting seat 91 is attached to the annular step 612, a step threaded hole 6120 is formed in the annular step 612 of the tool rest gear shaft 61, a through hole is correspondingly formed in the end face connecting part 922 of the tool rest connecting seat 92.

The utility model also provides a sharpening machine, including above-mentioned knife rest assembly. The utility model discloses a knife rest assembly can install on the sharpening machine of any type, with the original knife rest gear shaft fixed connection of sharpening machine.

Referring to fig. 1, fig. 6 and fig. 7, as the preferred embodiment of the present invention, the sharpening machine includes a gear box 1, a motor 2, a motor gear 3, a speed change gear shaft assembly, an idler 5 and a cutter rest gear 6, the gear box 1 is disposed at one end of the motor 2, the motor gear 3, the speed change gear shaft assembly, the idler 5 and the cutter rest gear 6 are disposed in the gear box 1, an output shaft of the motor 2 is connected with the motor gear 3, the speed change gear shaft assembly includes a speed change gear shaft 41, a large gear 43 and a small gear 42, the large gear 43 and the small gear 42 are coaxially disposed on the speed change gear shaft 41, the large gear 43 is engaged with the motor gear 3, the small gear 42 is engaged with one side of the idler 5, and the other side of. The tool rest gear 6 is used for mounting a tool rest. The output shaft of the motor rotates to drive the motor gear 3 to rotate, the motor gear 3 rotates to drive the large gear 43, the small gear 42, the idle gear 5, the tool rest gear 6 and the tool rest gear shaft 61 to rotate, the tool rest gear shaft 61 rotates to drive the tool rest 91 to rotate together, and the tool rest 91 rotates to drive the blade 93 and the mandrel 95 to cut chips on the electrode cover.

Referring to fig. 4 to 5, the upper end surface of the blade 93 is provided with a grinding groove 930, and the tool bit portion 952 of the mandrel 95 is provided with 4 blades 9520 along the circumferential direction, and the number of the blades may also be 1, 2, 3 or other suitable numbers. The blade 93 functions to cut the bottom surface (portion B shown in fig. 5) and chamfer (portion a shown in fig. 5) of the electrode cap 100, and the core shaft 95 functions to hinge the inner hole (portion C shown in fig. 5).

Preferably, the motor 2 is a series motor. The series motor is used as a power source, so that the device is light and portable, has a compact structure, high rotating speed and torque and is convenient to regulate speed.

The sharpening machine of the utility model has small volume, light weight and convenient movement, and can be used for welding corresponding to various complex stations; a speed change gear shaft assembly is adopted, so that the rotating speed is reduced, and the torque is improved; and a series motor is further adopted to realize high-speed grinding and variable speed.

The idle gear 5 is arranged on an idle gear shaft 51, the tool rest gear 6 is arranged on a tool rest gear shaft 61, two ends of the speed change gear shaft 41, two ends of the idle gear shaft 51 and two ends of the tool rest gear shaft 61 are respectively fixed with an inner ring of a bearing 7, a bearing seat 10 for mounting the bearing 7 is correspondingly arranged on the inner wall of the gear box 1, and an outer ring of the bearing 7 is fixed in the bearing seat 10 on the inner wall of the gear box 1.

The gearbox 1 comprises an upper box body 11 and a lower box body 12, and the upper box body 11 and the lower box body 12 are connected through a bolt fastener 8.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. The utility model provides a knife rest assembly, its characterized in that, includes knife rest, blade and dabber, the blade sets up the periphery of knife rest, the dabber sets up the upper end of knife rest, the groove of repaieing has been seted up to the up end of blade, the dabber is equipped with at least one blade along circumference.

2. The toolholder assembly according to claim 1, wherein the insert is fixedly attached to the outer periphery of the toolholder by a bolt.

3. The toolholder assembly according to claim 2, wherein there are two of the inserts, the inserts being symmetrically disposed on the toolholder along a center of rotation of the toolholder.

4. The toolholder assembly according to claim 1, wherein the mandrel includes a screw portion and a tool head portion, and the upper end surface of the toolholder is provided with a threaded bore that mates with the screw portion of the mandrel.

5. The tool holder assembly according to claim 1, further comprising a tool holder connecting base and an inner hexagon set screw, wherein the tool holder connecting base comprises a peripheral wall and a central hole surrounded by the peripheral wall, the tool holder has a tool holder central shaft, the tool holder central shaft is inserted into the central hole of the tool holder connecting base from top to bottom, a radial threaded hole is formed in the peripheral wall of the tool holder connecting base, an external thread matched with the radial threaded hole is formed on the inner hexagon set screw, the inner hexagon set screw is in threaded fit with the radial threaded hole, and one end of the inner hexagon set screw facing the central hole abuts against the tool holder central shaft so as to fixedly connect the tool holder to the tool holder connecting base.

6. The toolholder assembly according to claim 5, wherein a limiting notch is provided in a face of the toolholder central axis facing the socket set screw.

7. A sharpening machine comprising a tool holder assembly according to any one of claims 1 to 6.

8. A sharpening machine comprising the tool holder assembly of claim 5, the sharpening machine comprising a gear box, a motor gear, a speed change gear shaft assembly, an idler gear and a tool holder gear, the gear box being disposed at one end of the motor, the motor gear, the speed change gear shaft assembly, the idler gear and the tool holder gear being disposed within the gear box, an output shaft of the motor being connected to the motor gear, the speed change gear shaft assembly comprising a speed change gear shaft, a bull gear and a pinion gear, the bull gear and the pinion gear being coaxially disposed on the speed change gear shaft, the bull gear being engaged with the motor gear, the pinion gear being engaged with one side of the idler gear, the other side of the idler gear being engaged with the tool holder gear,

the knife rest connecting seat further comprises an end face connecting portion extending outwards along the radial direction of the upper end face of the peripheral wall, a gear shaft mounting hole is formed in a knife rest gear shaft of the knife rest gear, an annular step is convexly arranged on the inner wall of the gear shaft mounting hole, the peripheral wall of the knife rest connecting seat is matched with the shape of an inner hole formed by the surrounding of the annular step, the peripheral wall of the knife rest connecting seat is inserted into the gear shaft mounting hole from top to bottom, the lower end face of the end face connecting portion is attached to the annular step, a step threaded hole is formed in the annular step, a through hole is correspondingly formed in the end face connecting portion, and the end.

9. The sharpening machine as claimed in claim 8, wherein said idle gear is provided on an idle gear shaft, said tool rest gear is provided on a tool rest gear shaft, both ends of said speed change gear shaft, both ends of said idle gear shaft, and both ends of said tool rest gear shaft are respectively fixed with an inner ring of a bearing, a bearing seat for mounting said bearing is correspondingly provided on an inner wall of said gear box, and an outer ring of said bearing is fixed in said bearing seat.