CN112122974A

CN112122974A - Clamping device is used in processing of copper sheathing bearing

Info

Publication number: CN112122974A
Application number: CN202010962812.XA
Authority: CN
Inventors: 杨喜成
Original assignee: Xinchang Li'an Bearing Co ltd
Current assignee: Qingdao Yibo Copper Group Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2020-12-25
Anticipated expiration: 2040-09-14
Also published as: CN112122974B

Abstract

The invention relates to the technical field of bearing machining auxiliary equipment, in particular to a clamping device for machining a copper bush bearing, which comprises a workbench, wherein a conveying mechanism and a pressing device are arranged on the workbench, the conveying mechanism comprises a hydraulic cylinder and a bearing seat, a piston rod of the hydraulic cylinder is fixedly connected with a driving rod, a movable cavity for accommodating the bearing seat is formed in the upper end face of the workbench, a bearing is placed on the bearing seat, the pressing device is arranged on two sides of the bearing and comprises a left clamping arm and a right clamping arm, the left clamping arm and the right clamping arm mutually perform linear motion on a machining platform in an X shape, the left clamping arm and the right clamping arm are in mirror symmetry relative to the bearing seat, and the driving rod, the left clamping arm and the right clamping arm are fixedly. The invention enables the bearing to be stably and effectively clamped and provides a good operation foundation for subsequent processing.

Description

Clamping device is used in processing of copper sheathing bearing

Technical Field

The invention relates to the technical field of bearing machining auxiliary equipment, in particular to a clamping device for machining a copper bush bearing.

Background

The copper sheathing divide into the multiple, including machine copper roller, copper bearing etc. need carry out burnishing and polishing to the copper sheathing bearing at the in-process of processing, need carry out the centre gripping to the copper sheathing bearing when processing and fix and just can go on, consequently, clamping device is used in copper sheathing bearing processing's use is comparatively general.

Chinese utility model patent with application number CN201921211158.8 is a clamping device is used in production of car hub bearing inner race, which comprises a housin, the inside bilateral symmetry of casing is provided with the installation pipe, and installs intraduct and be provided with rather than the telescopic link that is fit for, the inside of installation pipe all is provided with the spring, and the one end of keeping away from the installation pipe at the telescopic link top all is provided with grip block a, and the one end of casing is provided with step motor, and step motor's output extends to the inside of casing, and step motor's output is provided with the rotation axis. The device improves the clamping and discharging speed to a certain extent and shortens the processing period. However, in actual use, the clamping block A is supported by the spring, so that the whole clamping effect is poor, and the bearing cannot be conveniently and quickly taken after being processed.

In view of this, we propose a clamping device for machining a copper bush bearing.

Disclosure of Invention

The invention aims to provide a clamping device for processing a copper bush bearing, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a clamping device is used in copper sheathing bearing processing, includes the workstation, be provided with conveying mechanism and closing device on the workstation, conveying mechanism includes the pneumatic cylinder and bears the seat, the piston rod fixed connection drive rod of pneumatic cylinder, the activity chamber that is used for holding and bears the seat is offered to the up end of workstation, bear and placed the bearing on the seat, the bearing both sides are equipped with closing device, closing device includes left arm lock and right arm lock, left side arm lock and right arm lock are X shape each other and carry out linear motion on processing platform, left side arm lock and right arm lock are mirror symmetry about bearing the seat, the equal fixed connection clamp plate of drive rod, left arm lock and right arm lock.

Preferably, the workstation is fixed be provided with the first guide holder of driving lever matched with to and with left arm lock and right arm lock matched with second guide holder, the both sides of driving lever are all fixed and are provided with the teeth of a cogwheel, and teeth of a cogwheel both sides all mesh a set of spur gear, all be provided with on left arm lock and the right arm lock lateral wall with wherein a set of spur gear engaged with the teeth of a cogwheel.

Preferably, the bottom slidable mounting in activity chamber has the piece that promotes, the up end that promotes the piece all sets up with the lower terminal surface that bears the weight of the seat and is the inclined plane form, and promotes piece and bears the weight of the seat sliding fit, the bottom fixedly connected with stand that promotes the piece.

Preferably, the cavity has been seted up to the lower extreme in activity chamber, be provided with link gear in the cavity, link gear includes axis of rotation, ball pair, first bevel gear and second bevel gear, the vice lead screw one end of ball is rotated and is installed on the lateral wall of cavity, the vice lead screw other end coaxial welding of ball has second bevel gear, axis of rotation one end coaxial welding straight-tooth gear, the axis of rotation other end stretches into in the cavity with first bevel gear coaxial welding, first bevel gear and second bevel gear intermeshing, the stand stretch into the cavity and with ball pair's screw nut fixed connection.

Preferably, the sliding grooves are formed in two ends of the side wall of the movable cavity, universal balls are fixedly connected to two ends of the bearing seat, and the universal balls are in rolling fit with the sliding grooves.

Preferably, the pressing plate is an arc plate, the pressing plate is connected with the rubber gasket in a glue mode, the outer wall of the rubber gasket is attached to the inner wall of the pressing plate, and arc-shaped anti-skidding convex lines are arranged on the inner wall of the rubber gasket.

Compared with the prior art, the invention has the beneficial effects that:

1. the universal ball is used as the bearing seat to be contacted with the movable cavity, so that the contact area is small, sliding friction is converted into rolling friction, the friction resistance is small, and the transmission abrasion of the bearing seat is reduced.

2. The invention reduces the pressure damage of the pressure plate to the bearing by using the rubber gasket, and prevents the bearing from axially rotating in the cutting and polishing process by the arc-shaped anti-skid convex lines.

3. When pushing the piece and moving left, bear the weight of seat rebound, when pushing the piece and moving right, bear the weight of seat rebound to this can adjust placing height of bearing, thereby be convenient for the later stage to take the bearing.

4. The hydraulic clamping device is novel in structure and simple in operation, the piston rod pushes the driving rod to act on the pressing plate by starting the hydraulic cylinder, so that the pressing plate is attached to the side wall of the bearing, meanwhile, the straight gear rotates under the pushing of the driving rod, and therefore the left clamping arm and the right clamping arm sequentially drive the group of pressing plates to act on the bearing, the bearing can be stably and effectively clamped, and a good operation basis is provided for subsequent processing.

Drawings

FIG. 1 is a side view of the structure of the present invention;

fig. 2 is a side view of the structure of the present invention.

In the figure: the device comprises a workbench 1, a movable cavity 101, a chute 102, a cavity 103, a bearing seat 2, a bearing 3, a driving rod 4, a left clamping arm 5, a right clamping arm 6, a straight gear 7, a rotating shaft 8, a pressing plate 9, a first guide seat 10, a second guide seat 11, a pushing block 12, a ball screw pair 13, a stand column 14, a first bevel gear 15, a second bevel gear 16, a universal ball 17 and a hydraulic cylinder 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 2, the present invention provides a technical solution: the utility model provides a clamping device is used in copper sheathing bearing processing, comprises a workbench 1, be provided with conveying mechanism and closing device on the workstation 1, conveying mechanism includes pneumatic cylinder 18 and bears seat 2, the piston rod fixed connection drive bar 4 of pneumatic cylinder 18, pneumatic cylinder 18 is single piston rod pneumatic cylinder, pneumatic cylinder 2 is controlled by hydraulic control system, the activity chamber 101 that is used for holding seat 2 is offered to the up end of workstation 1, bearing 3 has been placed on bearing seat 2, bearing 3 both sides are equipped with closing device, closing device includes left arm lock 5 and right arm lock 6, left arm lock 5 and right arm lock 6 are each other and carry out linear motion in the X shape on the processing platform, left arm lock 5 and right arm lock 6 are mirror symmetry about bearing seat 2, drive bar 4, a set of clamp plate 9 of equal fixed connection of left arm lock 5 and right arm lock 6. Three clamp plates 9 of group are the distribution of ring type array in the periphery of bearing 3, and clamp plate 9 is the circular arc board, and 9 rubber gaskets of clamp plate rubber joint, 9 inner walls of rubber gasket outer wall laminating clamp plate to the rubber gasket inner wall is equipped with the arc shape anti-skidding burr. The rubber gasket reduces the pressure injury of the pressure plate 9 to the bearing 3, and prevents the bearing 3 from axially rotating in the cutting and polishing process through the arc-shaped anti-slip convex lines.

As shown in fig. 1, the workbench 1 is fixedly provided with a first guide seat 10 matched with the driving rod 4 and a second guide seat 11 matched with the left clamping arm 5 and the right clamping arm 6, both sides of the driving rod 4 are fixedly provided with gear teeth, both sides of the gear teeth are respectively engaged with a set of spur gears 7, and the side walls of the left clamping arm 5 and the right clamping arm 6 are respectively provided with gear teeth engaged with a set of spur gears 7. Make the piston rod promote the drive lever 4 to act on the clamp plate 9 through starting hydraulic cylinder 18 for the clamp plate 9 laminating is on the lateral wall of bearing 3, and meanwhile, spur gear 7 rotates under the promotion of drive lever 4, thereby makes and drives a set of clamp plate 9 in proper order and act on bearing 3 on left arm lock 5 and the right arm lock 6, makes bearing 3 can be stably and effectively by the centre gripping, provides good operation basis for subsequent processing.

As shown in fig. 2, the bottom of the movable cavity 101 is slidably mounted with a pushing block 12, the upper end surface of the pushing block 12 and the lower end surface of the bearing seat 2 are both arranged in an inclined plane shape, the pushing block 12 is slidably fitted with the bearing seat 2, and the bottom of the pushing block 12 is fixedly connected with a column 14. When pushing away piece 12 and moving left, bear seat 2 rebound, when pushing away piece 12 and moving right, bear seat 2 rebound to this can adjust bearing 3 place the height, thereby be convenient for the later stage to take bearing 3.

As shown in fig. 1 and 2, a cavity 103 is formed at the lower end of the movable cavity 101, a linkage mechanism is arranged in the cavity 103, the linkage mechanism includes a rotating shaft 8, a ball screw pair 13, a first bevel gear 15 and a second bevel gear 16, one end of a screw of the ball screw pair 13 is rotatably mounted on a side wall of the cavity 103, the other end of the screw of the ball screw pair 13 is coaxially welded with the second bevel gear 16, one end of the rotating shaft 8 is coaxially welded with one of the straight gears 7, the other end of the rotating shaft 9 extends into the cavity 103 and is coaxially welded with the first bevel gear 15, the first bevel gear 15 is meshed with the second bevel gear 16, and the upright column 14 extends into the cavity 103 and is fixedly connected with a. The straight gear 7 drives the rotating shaft 8 to rotate, and the rotating shaft 8 drives the first bevel gear 15 to rotate, so that the second bevel gear 16 drives the screw of the ball screw pair 13 to rotate, thereby realizing the linear reciprocating motion of the pushing block 12.

As shown in fig. 2, sliding grooves 102 are formed at two ends of a side wall of the movable cavity 101, universal balls 17 are fixedly connected to two ends of the bearing seat 2, and the universal balls 17 are in rolling fit with the sliding grooves 102. The universal ball 17 is used as the bearing seat 2 to be in contact with the movable cavity 101, the contact area is small, sliding friction is converted into rolling friction, the friction resistance is small, and the transmission abrasion of the bearing seat 2 is reduced.

The working principle is as follows: in actual use, the bearing 3 is first placed on the bearing 3, and then the hydraulic cylinder 18 is activated, so that the piston rod pushes the driving rod 4 to act on the pressing plate 9, the pressing plate 9 is attached to the side wall of the bearing 3, meanwhile, the straight gear 7 rotates under the pushing of the driving rod 4, thereby leading the left clamping arm 5 and the right clamping arm 6 to sequentially drive a group of pressing plates 9 to act on the bearing 3, leading the bearing 3 to be stably and effectively clamped, in the process, the rotating shaft 8 is driven by the spur gear 7 to rotate, and the rotating shaft 8 drives the first bevel gear 15 to rotate, so that the second bevel gear 16 drives the screw of the ball screw pair 13 to rotate, the screw nut of the ball screw pair 13 drives the upright post 14 to perform left-right linear motion, and when the upright post 14 drives the pushing block 12 to move leftwards, the bearing seat 2 moves upwards; when the upright post 14 drives the pushing block 12 to move rightwards, the bearing seat 2 moves downwards;

in summary, when the pressing device clamps the bearing 3, the bearing seat 2 moves down synchronously, so that the bearing 3 can be clamped better, and when the pressing device releases the clamping effect on the bearing 3, the bearing seat 2 moves up synchronously, so that the bearing 3 also moves up immediately, and can be exposed in the sight of people completely, so that the bearing can be taken conveniently.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a clamping device is used in processing of copper sheathing bearing, includes workstation (1), its characterized in that: be provided with conveying mechanism and closing device on workstation (1), conveying mechanism includes pneumatic cylinder (18) and bears seat (2), piston rod fixed connection drive rod (4) of pneumatic cylinder (18), activity chamber (101) that are used for holding and bear seat (2) are offered to the up end of workstation (1), bearing (3) have been placed on bearing seat (2), bearing (3) both sides are equipped with closing device, closing device includes left arm lock (5) and right arm lock (6), left side arm lock (5) and right arm lock (6) are X shape each other and carry out linear motion on the processing platform, left side arm lock (5) and right arm lock (6) are mirror symmetry about bearing seat (2), and equal fixed connection clamp plate (9) of drive rod (4), left arm lock (5) and right arm lock (6).

2. The clamping device for machining the copper bush bearing according to claim 1, wherein: workstation (1) is fixed be provided with drive bar (4) matched with first guide holder (10) to and with left arm lock (5) and right arm lock (6) matched with second guide holder (11), the both sides of drive bar (4) are all fixed and are provided with the teeth of a cogwheel, and a set of straight-teeth gear (7) are all meshed to the teeth of a cogwheel both sides, all be provided with on left arm lock (5) and right arm lock (6) lateral wall with wherein a set of straight-teeth gear (7) engaged with the teeth of a cogwheel.

3. The clamping device for machining the copper bush bearing according to claim 1, wherein: the bottom slidable mounting of activity chamber (101) has and promotes piece (12), the up end that promotes piece (12) all sets up with the lower terminal surface that bears seat (2) and is the inclined plane form, and promotes piece (12) and bears seat (2) sliding fit, the bottom fixedly connected with stand (14) that promotes piece (12).

4. The clamping device for machining the copper bush bearing according to claim 3, wherein: cavity (103) have been seted up to the lower extreme in activity chamber (101), be provided with link gear in cavity (103), link gear includes axis of rotation (8), ball screw pair (13), first bevel gear (15) and second bevel gear (16), the lead screw one end of ball screw pair (13) is rotated and is installed on the lateral wall of cavity (103), the coaxial welding of the lead screw other end of ball screw pair (13) has second bevel gear (16), axis of rotation (8) one end coaxial welding straight-teeth gear (7), axis of rotation (9) other end stretch into in cavity (103) with first bevel gear (15) coaxial welding, first bevel gear (15) and second bevel gear (16) intermeshing, stand (14) stretch into cavity (103) and with the lead screw nut fixed connection of ball screw pair (13).

5. The clamping device for machining the copper bush bearing according to claim 4, wherein: the sliding grooves (102) are formed in two ends of the side wall of the movable cavity (101), universal balls (17) are fixedly connected to two ends of the bearing seat (2), and the universal balls (17) are matched with the sliding grooves (102) in a rolling mode.

6. The clamping device for machining the copper bush bearing as recited in claim 2, wherein: the pressing plate (9) is an arc plate, the pressing plate (9) is connected with a rubber gasket in a gluing mode, the outer wall of the rubber gasket is attached to the inner wall of the pressing plate (9), and the inner wall of the rubber gasket is provided with arc-shaped anti-skidding convex lines.