CN211890383U

CN211890383U - Pull-type dual-drive grinding finishing machine

Info

Publication number: CN211890383U
Application number: CN202020530222.5U
Authority: CN
Inventors: 赖普
Original assignee: Dongguan Otec Polishing Material Co ltd
Current assignee: Dongguan Otec Polishing Material Co ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-11-10
Anticipated expiration: 2030-04-13

Abstract

A dragging type dual-drive grinding finishing machine relates to the technical field of grinding equipment. The grinding machine comprises a rack, wherein a grinding groove is formed in the lower portion of the rack, an installation platform is arranged above the grinding groove, and a first driver and a second driver are installed on the installation platform; the lower part of the mounting platform is provided with a large turntable, the center of the large turntable is connected to the mounting platform through a main shaft in a rotating mode, the large turntable is driven to rotate through a first driver, a plurality of small turntables are arranged below the large turntable, a middle shaft is installed in a middle sleeve, the upper end of the middle shaft is in transmission connection with a second driver, a rotating shaft in transmission connection with the middle shaft is installed on the lower end face of each small turntable through a first bearing, and the lower end of each rotating shaft is connected with a clamping rod through a clamping sleeve. The utility model discloses change the form that the single drive gear wheel drove the pinion, drive the gear wheel by the pinion. The rotation mode of the driver is changed into a mode that the pinion is driven by the single driving gearwheel, and the pinion drives the gearwheel, so that the output power of the driver is saved, and the driver saves labor, power and electricity.

Description

Pull-type dual-drive grinding finishing machine

Technical Field

The utility model relates to a grinding device technical field specifically is a pull-type dual drive grinds finishing machine.

Background

The drag-type grinding finishing adopted in the grinding industry at present is mainly in a single-drive transmission form. The transmission speed can not meet the requirement of the free variables of revolution and rotation, namely, different revolution and rotation can not be changed according to different sizes, different volumes and different shapes to meet the optimal grinding and polishing requirement when the workpiece is ground.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pull formula dual drive grinds finishing machine to present single drive equipment's is not enough to this compensaties the not enough that pull formula single drive grinds the finishing machine and exists, makes by the work piece of grinding, can more fully receive all-round multi-angle at grinding the inslot, avoids grinding the friction at dead angle, in order to reach the best finishing effect.

The technical scheme for realizing the purpose is as follows: the dragging type dual-drive grinding finishing machine is characterized in that: the grinding machine comprises a rack, wherein a grinding groove is formed in the lower portion of the rack, a liftable mounting platform is arranged above the grinding groove, and a first driver and a second driver which are symmetrically arranged are arranged on two sides of the middle of the upper end surface of the mounting platform;

the installation platform is characterized in that a large turntable is arranged below the installation platform and provided with a hollow cavity with an upper end opening, the center of the large turntable is connected to the installation platform through a main shaft in a rotating mode, the large turntable is driven to rotate through a first driver, a plurality of small turntables which are arranged along the circumferential direction and are connected with the large turntable through middle sleeves are arranged below the large turntable respectively, a middle shaft is installed in each middle sleeve through a second bearing, the upper end of the middle shaft extends into the large turntable and is in transmission connection with the second driver, a rotating shaft connected with the middle shaft in a transmission mode is installed on the lower end face of each small turntable through the first bearing, and the lower end of each rotating shaft is connected with a clamping rod through a clamping sleeve.

Furthermore, an inner gear is fixedly connected to the outer peripheral surface of the upper end of the large turntable, and an output shaft of the first driver penetrates through the mounting platform and is connected with a first gear in transmission connection with the inner gear.

Furthermore, the lower end of the main shaft is fixedly connected with the large turntable, a shaft sleeve is installed outside the main shaft through a third bearing, the upper end of the shaft sleeve is fixed on the mounting platform, a large gear arranged in a hollow cavity of the large turntable is installed outside the shaft sleeve through a fourth bearing, an output shaft of the second driver penetrates through the mounting platform and is connected with a first small gear in transmission connection with the large gear, and the upper end of the middle shaft is connected with second small gears meshed with the large gear respectively.

Furthermore, the small turntables are provided with hollow cavities, each small turntable is correspondingly provided with three vertically downward rotating shafts, the three rotating shafts are arranged in an equilateral triangle shape, the upper ends of the rotating shafts extend into the hollow cavities of the small turntables and are respectively connected with second gears, and the lower ends of the center shafts extend into the hollow cavities of the corresponding small turntables and are connected with third gears in transmission connection with the two second gears in the small turntables.

Furthermore, vertical sliding grooves are formed in two sides of the rack, lifting sliding blocks are arranged in the vertical sliding grooves, guide wheels in sliding fit with the vertical sliding grooves are rotatably mounted on two side walls of the lifting sliding blocks, hydraulic cylinders used for driving the lifting sliding blocks to slide up and down are respectively connected to two sides of the rack, and the mounting platform is connected between the lifting sliding blocks on two sides.

The utility model has the advantages that:

the utility model discloses a two drivers are one set of transmission of independent control respectively to realize grinding the requirement of the rotational speed free variable of work piece revolution and rotation. The workpiece generates relative motion friction with the static abrasive in the grinding groove. The corresponding linear velocity change is generated through the change of the revolution and rotation speed free variable, so that each part of the grinded body is more fully contacted and rubbed with the grinding material, the reasonable optimal finishing effect is achieved, and the angle of the grinded product is more comprehensive and multidirectional.

The utility model discloses according to the appearance of the work piece that is ground to the difference, size and technological requirement, set for rotation and revolution, parameter (rotation and revolution parameter ratio) through the settlement of this kind of rotational speed relation, reach the grinding precision and the technological requirement who receive the work piece that grinds. Thereby making the whole procedure of grinding and polishing more simple, more reasonable, more accurate and more stable.

The utility model discloses change the form that the single drive gear wheel drove the pinion, drive the gear wheel by the pinion. The rotation mode of the driver is changed into a mode that the pinion is driven by the single driving gearwheel, and the pinion drives the gearwheel, so that the output power of the driver is saved, and the driver saves labor, power and electricity.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic top view of the present invention;

fig. 4 is a partial schematic view of the present invention.

Detailed Description

As shown in fig. 1-4, the utility model discloses a frame 1, the lower part of frame 1 is provided with grinds groove 2, the top of grinding groove 2 is provided with the mounting platform 3 of liftable, the both sides of frame 1 are provided with vertical spout 4, be provided with elevator slider 5 in the vertical spout 4, rotate on the both sides wall of elevator slider 5 install with vertical spout 4 sliding fit's leading wheel 6, the both sides of frame 1 are connected with respectively and are used for driving elevator slider 5 gliding pneumatic cylinder 7 from top to bottom, mounting platform 3 is connected between both sides elevator slider 5.

The first driver 8 and the second driver 9 which are symmetrically arranged are installed on two sides of the middle of the upper end face of the installation platform 3, and the first driver 8 and the second driver 9 adopt hydraulic motors.

The below of mounting platform 3 is provided with carousel 10, carousel 10 is provided with upper end open-ended cavity, fixedly connected with main shaft 13 is put to the central point of carousel 10, axle sleeve 15 is installed through third bearing 14 outward to main shaft 13, the upper end fixed connection of axle sleeve 15 is on mounting platform 3, install the gear wheel 17 of setting in carousel 10 cavity through fourth bearing 30 on the axle sleeve 15, the output shaft of second driver 9 passes mounting platform 3, and be connected with the first pinion 18 of being connected with gear wheel 17 transmission.

Four small turntables 19 arranged along the circumferential direction of the large turntable 10 are arranged below the large turntable 10, the small turntables 19 are all provided with hollow cavities, the middle parts of the upper ends of the small turntables 19 are respectively connected with the large turntable 10 through middle sleeves 20, middle sleeves 20 are all internally provided with middle shafts 22 through second bearings 21, the upper ends of the middle shafts 22 extend into the large turntable 10 and are connected with second pinions 23 which are all meshed with the large gears 17, the lower ends of the middle shafts 22 extend into the small turntables 19 and are connected with third gears 24, the lower end surfaces of the small turntables 19 are respectively provided with three vertically downward rotating shafts 31 through first bearings 25, the three rotating shafts 31 are distributed in an equilateral triangle shape, the upper ends of the rotating shafts 31 extend into the small turntables 19 and are respectively connected with second gears 26 which are meshed with the third gears 24 in the small turntables 19, the lower ends of the rotating shafts 31 are connected with clamping rods 28 for mounting workpieces through clamping sleeves 27, and the structures of the clamping, and will not be described in detail herein.

An internal gear 12 is fixedly connected to the outer peripheral surface of the upper end of the large turntable 10, and an output shaft of the first driver 8 penetrates through the mounting platform 3 and is connected with a first gear 16 in transmission connection with the internal gear 12.

Further, the utility model discloses lead to programmable controller and control.

The utility model discloses a theory of operation:

1) the workpiece is respectively put on a clamping rod 28 installed on the grinding and decorating machine, and the rotating speed parameters of the first driver 8 and the second driver 9 are set by a programmable controller according to the type of the workpiece.

2) The grinding mechanism mounted on the mounting table 3 is lowered from the initial position to the grinding station by the hydraulic cylinder 7, and the workpiece to be ground starts grinding.

3) The second driver 9 drives the first pinion 18 to rotate, the first pinion 18 drives the bull gear 17 to rotate, the bull gear 17 drives the middle shaft 22 to rotate through the second pinion 23, the middle shaft 22 drives the workpiece to be ground clamped on the clamping rod 28 through the third gear 24 to rotate according to the set rotation speed parameters, and the grinding operation starts to run.

Meanwhile, the first driver 8 drives the first gear 16 to rotate, and the first gear 16 drives the large turntable 10 to rotate through the internal gear 12, so that the revolution of the workpiece is realized.

During grinding, the rotation direction of the rotating shaft 31 (self-transmission) and the large rotating disc 10 (revolution) continuously rotates forward and backward alternately according to a set program and time, so that the workpiece is subjected to uniform friction finishing in all directions to achieve the optimal finishing effect.

4) When the grinding machine reaches the preset grinding time, the grinding machine stops grinding automatically. The grinding mechanism is lifted to an initial position by the hydraulic cylinder 7, and after an operator opens a door to take off a ground workpiece, a new workpiece to be ground is loaded, and the grinding work of the next unit is started.

Claims

1. The dragging type dual-drive grinding finishing machine is characterized in that: the grinding machine comprises a rack, wherein a grinding groove is formed in the lower portion of the rack, a liftable mounting platform is arranged above the grinding groove, and a first driver and a second driver which are symmetrically arranged are arranged on two sides of the middle of the upper end surface of the mounting platform;

2. The drag-type dual drive lapping finisher of claim 1, wherein: an inner gear is fixedly connected to the outer peripheral face of the upper end of the large rotary plate, and an output shaft of the first driver penetrates through the mounting platform and is connected with a first gear in transmission connection with the inner gear.

3. The drag-type dual drive lapping finisher of claim 2, wherein: the lower end of the main shaft is fixedly connected with the large turntable, a shaft sleeve is arranged outside the main shaft through a third bearing, the upper end of the shaft sleeve is fixed on the mounting platform, a large gear arranged in a hollow cavity of the large turntable is arranged outside the shaft sleeve through a fourth bearing, an output shaft of the second driver penetrates through the mounting platform and is connected with a first small gear in transmission connection with the large gear, and the upper end of the middle shaft is connected with a second small gear meshed with the large gear respectively.

4. The drag-type dual drive lapping finisher of claim 1, wherein: the small turntables are provided with hollow cavities, each small turntable is correspondingly provided with three vertically downward rotating shafts which are arranged in an equilateral triangle manner, the upper ends of the rotating shafts extend into the hollow cavities of the small turntables and are respectively connected with second gears, and the lower ends of the center shafts extend into the hollow cavities of the corresponding small turntables and are connected with third gears in transmission connection with the two second gears in the small turntables.

5. The drag-type dual drive lapping finisher of claim 1, wherein: the lifting device is characterized in that vertical sliding grooves are formed in two sides of the rack, lifting sliding blocks are arranged in the vertical sliding grooves, guide wheels in sliding fit with the vertical sliding grooves are rotatably mounted on two side walls of each lifting sliding block, hydraulic cylinders used for driving the lifting sliding blocks to slide up and down are respectively connected to two sides of the rack, and the mounting platform is connected between the lifting sliding blocks on the two sides.