CN217122699U

CN217122699U - Welding seam polisher

Info

Publication number: CN217122699U
Application number: CN202221053763.9U
Authority: CN
Inventors: 李健
Original assignee: Jilin Dahua Machine Manufacturing Co ltd
Current assignee: Jilin Dahua Machine Manufacturing Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-08-05
Anticipated expiration: 2032-05-05

Abstract

The utility model discloses a welding seam polisher, be in including support frame, setting support frame below is by first motor drive round the rotatory rotor arm of pivot, along the axial of rotor arm is provided with the guided way, slidable mounting is sliding block on the guided way, the sliding block is driven along guided way horizontal migration by telescopic cylinder, the centre gripping arm is installed to the upper and lower symmetry of sliding block, the relative inboard of centre gripping arm all installs by motor drive's the dish of polishing, two the centre gripping arm can be by the power mechanism drive and be opposite direction movement, the bottom of support frame still is provided with the hydraulic chuck of installing on the elevating platform, a plurality of movable jack catchs of hydraulic chuck can rise the central round hole department of tight flywheel, the utility model provides the high efficiency of polishing of flywheel welding seam.

Description

Welding seam polisher

Technical Field

The utility model relates to a grinding device technical field, concretely relates to welding seam polisher.

Background

In the production process of the flywheel, the wheel disc and the gear ring need to be welded, and after welding, the welding seam needs to be polished by a welding seam polisher. But most welding seam grinding device now can only once polish to a face of flywheel, and the upset flywheel carries out the welding seam of another side again after polishing the completion and polishes, wastes time and energy like this, leads to the inefficiency of polishing of flywheel welding seam.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a welding seam polisher to solve the above-mentioned defect among the prior art.

The utility model provides a welding seam polisher, is in including support frame, setting support frame below is by first motor drive round the rotatory rotor arm of pivot, along the axial of rotor arm is provided with the guided way, slidable mounting is sliding block on the guided way, the sliding block is driven along guided way horizontal migration by telescopic cylinder, the centre gripping arm is installed to the upper and lower symmetry of sliding block, the relative inboard of centre gripping arm all installs by motor drive's the dish of polishing, two the centre gripping arm can be by the power mechanism drive and be relative motion, the bottom of support frame still is provided with the hydraulic chuck of installing on the elevating platform, the central round hole department of a plurality of movable jack catchs of hydraulic chuck ability tight flywheel.

Preferably, the power mechanism comprises a first connecting rod, a third connecting rod and a second connecting rod which are sequentially hinged and connected through movable hinge shafts, the first connecting rod and the second connecting rod are parallel to each other, the far ends of the two first connecting rods are respectively connected with a driven gear and a gear-lacking wheel which can be meshed with each other and are installed on the sliding block through a first fixed rotating shaft, the far end of the second connecting rod is hinged and installed on the sliding block through a second fixed rotating shaft, the axis of the first connecting rod penetrates through the circle center corresponding to the driven gear or the gear-lacking wheel, the two corresponding movable hinge shafts at the two ends of the first fixed rotating shaft, the second fixed rotating shaft and the third connecting rod enclose a parallelogram, the clamping arm is fixedly installed on the third connecting rod and keeps horizontal distribution, and the sliding block is provided with a driving gear driven by a second motor to rotate, the driving gear and the driven gear are meshed with each other.

Preferably, a guide ring rail is arranged below the table board of the support frame, and one end of the rotating arm, which is far away from the rotating shaft, is rotatably provided with a guide wheel which can roll along the guide ring rail.

Preferably, a protective shell is arranged on the outer side of the grinding disc.

Preferably, the elevating platform includes fixed sleeve and slidable mounting and is in last lifting sleeve of fixed sleeve, fixed sleeve's inside is provided with the jacking cylinder, and the lifting sleeve is being connected to the upper end ejector pin of jacking cylinder, hydraulic chuck installs on the lifting sleeve top, hydraulic chuck with the coaxial setting of pivot of first motor.

The utility model has the advantages of as follows:

the utility model discloses the device is through respectively setting up a mill in the upper and lower of flywheel to through the position that power unit drive mill synchronous adjustment was polished, make this mill structure applicable to polishing of multiple size flywheel welding seam, and improved the efficiency of polishing to disc spare welding seams such as flywheel.

Drawings

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

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

FIG. 3 is a schematic view of a partial structure of the present invention;

fig. 4 is a schematic structural diagram of the power mechanism of the present invention.

In the figure:

1-a support frame; 2-a first electric machine; 3-a rotating arm; 4-a guide rail; 5-a sliding block; 6-a telescopic cylinder; 7-a second motor; 8-a drive gear; 9-a driven gear; 10-gear loss; 11-a first link; 12-a second link; 13-a third link; 14-a gripper arm; 15-grinding disc; 16-a protective housing; 17-a hydraulic chuck; 18-a lifting platform; 19-a guide wheel; 20-a flywheel; 21-guiding ring rail; 22-a motor; 23-a living hinge shaft; 24-a first stationary shaft; 25-second fixed rotating shaft.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 to 4, the utility model provides a welding seam polisher, be in including support frame 1, setting support frame 1 below is driven round the rotatory rotor arm 3 of pivot by first motor 2, the mesa below of support frame 1 is provided with guide ring rail 21, the one end rotation that rotor arm 3 kept away from the pivot is installed can along guide ring rail 21 rolling leading wheel 19.

On one hand, the guide ring rail 21 plays a supporting role for one end of the rotating arm 3; on the other hand, the cooperation of the guide wheel 19 and the guide ring rail 21 can improve the stability of the swivel arm 3 during rotation.

Along the axial of rotor arm 3 is provided with guided way 4, slidable mounting is sliding block 5 on guided way 4, sliding block 5 is driven along guided way 4 horizontal migration by telescopic cylinder 6, centre gripping arm 14 is installed to sliding block 5's longitudinal symmetry, the relative inboard of centre gripping arm 14 all installs by motor 22 driven polishing dish 15, the outside of polishing dish 15 is provided with protecting sheathing 16. The protective shell 16 can prevent swarf from splashing during the grinding process of the welding seam. The two clamping arms 14 can be driven by a power mechanism to move towards each other. Specifically, the method comprises the following steps:

the power mechanism comprises a first connecting rod 11, a third connecting rod 13 and a second connecting rod 12 which are sequentially hinged and connected through a movable hinge shaft 23, the first connecting rod 11 and the second connecting rod 12 are parallel to each other, the far ends of the two first connecting rods 11 are respectively connected with a driven gear 9 and a gear-lacking wheel 10 which can be meshed with each other and are installed on the sliding block 5 through a first fixed rotating shaft 24, the far end of the second connecting rod 12 is hinged and installed on the sliding block 5 through a second fixed rotating shaft 25, the axis of the first connecting rod 11 passes through the circle center corresponding to the driven gear 9 or the gear-lacking wheel 10, the two movable hinge shafts 23 at the two ends of the corresponding first fixed rotating shaft 24, second fixed rotating shaft 25 and third connecting rod 13 enclose a parallelogram, the clamping arm 14 is fixedly installed on the third connecting rod 13, and the clamping arm 14 keeps horizontal distribution, the sliding block 5 is provided with a driving gear 8 driven by a second motor 7 to rotate, and the driving gear 8 is meshed with the driven gear 9.

Since the relative positions of the corresponding first fixed rotating shaft 24 and the second fixed rotating shaft 25 are fixed, when the first connecting rod 11 rotates along with the corresponding driven gear 9 and the missing gear 10, the third connecting rod 13 is always parallel to the connecting line between the corresponding first fixed rotating shaft 24 and the second fixed rotating shaft 25 according to the characteristics of the parallelogram, and the clamping arms 14 connected to the third connecting rod 13 are always in a horizontal distribution state.

The bottom of the support frame 1 is also provided with a hydraulic chuck 17 arranged on the lifting platform 18, and a plurality of movable jaws of the hydraulic chuck 17 can tension the central circular hole of the flywheel 20. Specifically, the method comprises the following steps:

the lifting table 18 comprises a fixing sleeve and a lifting sleeve slidably mounted on the fixing sleeve, a jacking cylinder (not shown in the figure) is arranged inside the fixing sleeve, an upper end ejector rod of the jacking cylinder is connected with the lifting sleeve, the hydraulic chuck 17 is mounted at the top end of the lifting sleeve, and the hydraulic chuck 17 and a rotating shaft of the first motor 2 are coaxially arranged.

The utility model discloses the theory of operation of device is:

the flywheel 20 is placed on the hydraulic chuck 17, and each movable jaw on the hydraulic chuck 17 is driven to be externally supported to tension the center circular hole of the flywheel, so that the flywheel 20 is centered and clamped.

Then, the lifting table 18 is driven to rise through the jacking cylinder, so that the flywheel 20 is positioned at the level of the symmetry axis of the two grinding disks 15.

Then, the telescopic cylinder 6 drives the sliding block 5 connected with the telescopic cylinder to move towards the inner side along the guide rail 4 until the polishing disc 15 is opposite to the weld polishing part on the upper side and the lower side of the flywheel 20, the second motor 7 is started, the second motor 7 drives the driving gear 8 to rotate, the driving gear 8 drives the driven gear 9 meshed with the driving gear to rotate, the driven gear 9 drives the gear lacking 10 meshed with the driven gear to rotate synchronously, the first connecting rod 11 respectively connected with the driven gear 9 and the gear lacking 10 rotates around the shaft to enable the two clamping arms 14 to approach each other until the polishing discs 15 connected with the horizontally distributed clamping arms 14 cling to the weld polishing part of the flywheel 20, and finally the motor 22 drives the polishing disc 15 to polish the weld polishing part. The first motor 2 is started, so that the rotating arm 3 can rotate around the shaft, and welding seams of the upper end face and the lower end face of the flywheel 20 are polished synchronously.

The utility model discloses the device is through respectively setting up a mill 15 in the upper and lower of flywheel to through the position that power unit drive mill synchronous adjustment was polished, make this mill structure applicable to polishing of multiple size flywheel welding seam, and improved the efficiency of polishing to disc spare welding seams such as flywheel 20.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. A welding seam polisher which characterized in that: comprises a support frame (1), a rotating arm (3) which is arranged below the support frame (1) and driven by a first motor (2) to rotate around a rotating shaft, a guide rail (4) is arranged along the axial direction of the rotating arm (3), a sliding block (5) is arranged on the guide rail (4) in a sliding way, the sliding block (5) is driven by a telescopic cylinder (6) to move horizontally along the guide rail (4), the upper and lower sides of the sliding block (5) are symmetrically provided with clamping arms (14), the opposite inner sides of the clamping arms (14) are provided with polishing discs (15) driven by a motor (22), the two clamping arms (14) can be driven by a power mechanism to move in opposite directions, the bottom of the supporting frame (1) is also provided with a hydraulic chuck (17) arranged on a lifting platform (18), a plurality of movable claws of the hydraulic chuck (17) can tension the center round hole of the flywheel (20).

2. The weld grinding machine of claim 1, wherein: the power mechanism comprises a first connecting rod (11), a third connecting rod (13) and a second connecting rod (12) which are sequentially and hingedly connected through a movable hinge shaft (23), the first connecting rod (11) and the second connecting rod (12) are parallel to each other, the far ends of the two first connecting rods (11) are respectively connected with a driven gear (9) and a gear-lacking wheel (10) which can be meshed with each other and are arranged on the sliding block (5) through a first fixed rotating shaft (24), the far end of the second connecting rod (12) is hingedly arranged on the sliding block (5) through a second fixed rotating shaft (25), the axis of the first connecting rod (11) penetrates through the circle center corresponding to the driven gear (9) or the gear-lacking wheel (10), and the two corresponding movable hinge shafts (23) at the two ends of the first fixed rotating shaft (24), the second fixed rotating shaft (25) and the third connecting rod (13) enclose a parallelogram, the clamping arm (14) is fixedly installed on the third connecting rod (13), the clamping arm (14) is kept horizontally distributed, a driving gear (8) driven by a second motor (7) to rotate is arranged on the sliding block (5), and the driving gear (8) is meshed with the driven gear (9).

3. The weld grinding machine of claim 1, wherein: a guide ring rail (21) is arranged below the table board of the support frame (1), and one end, far away from the rotating shaft, of the rotating arm (3) is rotatably provided with a guide wheel (19) which can roll along the guide ring rail (21).

4. The weld grinding machine of claim 1, wherein: and a protective shell (16) is arranged on the outer side of the grinding disc (15).

5. The weld grinding machine of claim 1, wherein: elevating platform (18) are including fixed sleeve and slidable mounting be in last lifting sleeve of fixed sleeve, fixed sleeve's inside is provided with the jacking cylinder, and lifting sleeve is being connected to the upper end ejector pin of jacking cylinder, install on the lifting sleeve top hydraulic pressure (17), hydraulic pressure (17) with the coaxial setting of pivot of first motor (2).