CN211841126U

CN211841126U - Long shaft part clamping device

Info

Publication number: CN211841126U
Application number: CN202020408202.0U
Authority: CN
Inventors: 许电波
Original assignee: NINGBO JANSEN MECHANISM CORP
Current assignee: NINGBO JANSEN MECHANISM CORP
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-11-03
Anticipated expiration: 2030-03-27

Abstract

The utility model relates to the technical field of clamping devices, in particular to a long shaft part clamping device, which comprises a base, wherein the left side and the right side of the front end of the top surface of the base are both fixed with a support plate, a limiting block is fixed above the inner side of the support plate, two clamping plates are symmetrically arranged between the two support plates, a limiting groove connected with the limiting block in a sliding way is arranged on the outer side of each clamping plate, a movable plate is arranged below each clamping plate, a first sliding groove is arranged on the inner side of each support plate and below the limiting block, and the movable plate is connected; the beneficial effects of the utility model reside in that: through setting up hydraulic pump, hydraulic stem, movable plate, slider, splint, fixed block, first spring, fixed column and stopper, convenient to use person carries out axial positioning to the part fast and fixes the part simultaneously, simultaneously through setting up screw rod, motor, solid fixed ring, arc piece, spacing post and second spring, carries out radial support to the part, can effectively avoid the problem that the part focus skew leads to drops.

Description

Long shaft part clamping device

Technical Field

The utility model belongs to the technical field of clamping device technique and specifically relates to a major axis class part clamping device is related to.

Background

In the in-process of major axis class parts machining production, use clamping device to process after fixed usually, because the processing part is not regular shape, consequently need the clamping device of the adaptation part of different grade type to operate, especially major axis class part to case class, because the irregularity of part, be not convenient for adopt traditional clamping device, and process long-time processing, it is not hard up to appear easily between part and the clamping device, lead to influencing the machining precision, simultaneously, because when fixed axle class part, need consider the depth of parallelism, axial positioning and radial support etc. of part, consequently lead to current clamping device also comparatively taking time and energy when adjusting to corresponding with the part, to above-mentioned problem, the utility model provides a major axis class parts clamping device.

SUMMERY OF THE UTILITY MODEL

The utility model provides a major axis class part clamping device, this kind of major axis class part clamping device, convenient to use person with device quick adjustment to suit with the part, be convenient for carry out axial positioning and radial support to the device simultaneously, and can prevent effectively that the part focus skew from leading to the part to drop to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a long shaft part clamping device comprises a base, wherein supporting plates are fixed on the left side and the right side of the front end of the top surface of the base, a limiting block is fixed above the inner side of each supporting plate, two clamping plates are symmetrically arranged between the two supporting plates, limiting grooves in sliding connection with the limiting blocks are formed in the outer sides of the clamping plates, a moving plate is arranged below the clamping plates, a first sliding groove is formed in the inner side of each supporting plate and located below the limiting blocks, the moving plate is in sliding connection with the first sliding groove, a hydraulic rod is fixed below the moving plate through screws, a hydraulic pump matched with the hydraulic rod and fixed above the base is arranged below the hydraulic rod, sliding blocks are welded on the left side and the right side of the top of the moving plate, a second sliding groove in sliding connection with the sliding blocks is formed in the bottom of the clamping plates, a fixed, a first movable groove is formed in the lower portion of the inner side of the clamping plate, the left end and the right end of the fixed block extend into the first movable groove, and a first spring is fixed between the left end and the right end of the fixed block and the bottom of the first movable groove;

base top surface rear end is opened there is the third spout, sliding connection has the fly leaf that extends its top in the third spout, the third spout internal rotation is connected with the screw rod that extends the base rear end, the screw rod rear end is equipped with the motor that is fixed in the base rear end, the screw rod is connected with the power take off end of motor, open the fly leaf front end has the fourth spout, sliding connection has the solid fixed ring that extends its front end in the fourth spout, gu fixed ring comprises four arc blocks, adjacent two the second movable groove has all been opened to the relative one side of arc piece, be equipped with spacing post in the second movable groove, all be fixed with the second spring between spacing post both ends and the second movable groove tank bottom.

Preferably, the shape of the sliding block and the second sliding groove is inclined upwards and outwards.

Preferably, the inner side of the clamping plate is arc-shaped, and a rubber sheet is fixed on the inner side of the clamping plate.

Preferably, the screw penetrates through the movable plate, and the screw is connected with the movable plate through threads.

Preferably, when the four arc-shaped blocks are contacted, the middle parts form a complete circular semi-through groove, and the front ends of the arc-shaped blocks are arc-shaped.

Compared with the prior art, the beneficial effects of the utility model are that:

the hydraulic pump is started to enable the hydraulic rod to drive the sliding block to slide upwards through the movable plate, so that the clamping plates gradually clamp the parts, the first sliding groove is beneficial to assisting the movable plate to move, the arrangement of the fixed column is beneficial to keeping the movable plate parallel to the base all the time, namely, the movable plate is beneficial to driving the two clamping plates to move in a reversed-phase constant-speed mode through the sliding block, and meanwhile, the arrangement of the limiting block is beneficial to assisting the clamping plates to stably move and limit the auxiliary clamping plates, so that a user can conveniently fix the;

after the clamping plate clamps the part, the stretched first spring can be continuously contracted, so that the clamping plate always clamps the part, and the part is further fastened;

the rubber sheet is favorable for increasing the friction force between the clamping plate and the part, fastening the part and effectively avoiding the abrasion of the part caused by the friction between the clamping plate and the part.

Through starter motor, make the motor rotate through driving the screw rod and drive the fly leaf and remove towards the part direction, make the terminal card of part go into in the retaining ring, the in-process part can extrude the arc piece and outwards remove to making the second spring stretch, after the part end moves into circular semi-through groove completely, the second spring can constantly inwards contract, make the arc piece press from both sides tight part end all the time, carry out radial support to the part, can effectively avoid the problem that the part focus skew leads to drops.

Make the hydraulic stem drive movable plate downstream through starting up hydraulic pump, make the slider extrude splint simultaneously in the second spout gliding, make splint remove to the outside and relax the part, stimulate the part forward again, make the part break away from solid fixed ring completely, convenient to use person takes out the part fast and carries out follow-up processing or use to it.

Drawings

FIG. 1 is a schematic view of the overall front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the overall right-side cross-sectional structure of the present invention;

fig. 3 is a schematic view of the front view cross-section structure of the fixing ring of the present invention.

The labels in the figure are: 1-a base; 2-a support plate; 3-a hydraulic pump; 4-a hydraulic rod; 5, moving the board; 6-a slide block; 7-clamping plate; 8-a first active slot; 9-fixing block; 10-a first spring; 11-fixed column; 12-a limiting groove; 13-a limiting block; 14-a third chute; 15-a movable plate; 16-a screw; 17-a motor; 18-a fixed ring; 19-an arc-shaped block; 20-a second active slot; 21-a limiting column; 22-a second spring; 23-a fourth chute; 24-a second chute; 25-first runner.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Please refer to fig. 1 to 3:

a long shaft part clamping device comprises a base 1, wherein supporting plates 2 are fixed on the left side and the right side of the front end of the top surface of the base 1, a limiting block 13 is fixed above the inner side of each supporting plate 2, two clamping plates 7 are symmetrically arranged between the two supporting plates 2, limiting grooves 12 connected with the limiting blocks 13 in a sliding manner are formed in the outer sides of the clamping plates 7, a moving plate 5 is arranged below each clamping plate 7, a first sliding groove 25 is formed in the inner side of each supporting plate 2 and below the limiting block 13, the moving plate 5 is connected with the first sliding groove 25 in a sliding manner, a hydraulic rod 4 is fixed below each moving plate 5 through a screw, a hydraulic pump 3 matched with and used with the hydraulic rod 4 and fixed above the base 1 is arranged below each hydraulic rod 4, sliding blocks 6 are welded on the left side and the right side of the top of each moving plate 5, second sliding grooves 24 connected with the sliding, a first movable groove 8 is formed in the lower portion of the inner side of the clamping plate 7, the left end and the right end of the fixed block 9 extend into the first movable groove 8, and a first spring 10 is fixed between the left end and the right end of the fixed block 9 and the bottom of the first movable groove 8;

when the device is used, long-axis parts are placed between the two clamping plates 7, the hydraulic rod 4 drives the moving plate 5 to move upwards by starting the hydraulic pump 3, the moving plate 5 slides in the first sliding groove 25 when moving upwards, the first sliding groove 25 is beneficial to assisting the moving plate 5 to move, meanwhile, the sliding block 6 is driven to slide upwards in the second sliding groove 24 when the moving plate 5 moves upwards, because the sliding block 6 and the second sliding groove 24 are in the shape of inclining upwards and outwards, the clamping plates 7 are extruded to gradually clamp the parts when the sliding block 6 slides upwards, the fixed column 11 is driven to slide upwards in the fixed block 9 when the moving plate 5 moves, the moving plate 5 is always kept parallel to the base 1 by the arrangement of the fixed column 11, namely, the moving plate 5 is beneficial to driving the two clamping plates 7 to move in opposite phases through the sliding block 6 at a constant speed, the limiting groove 12 can move when the clamping plates 7 move, and the limiting block 13 slides in, meanwhile, the arrangement of the limiting block 13 is beneficial to the stable movement and limiting of the auxiliary clamping plate 7, so that a user can quickly position the part axially and fix the part;

specifically, the fixing block 9 can extrude the stretched first spring 10 to gradually contract while the clamping plates 7 move, and when the two clamping plates 7 move to be in contact with each other, the first spring 10 is still in a stretched state, so that after the clamping plates 7 clamp parts, the stretched first spring 10 can continuously contract, the clamping plates 7 clamp the parts all the time, and further fastening of the parts is facilitated;

further, 7 inboards of splint are the arc, and curved being provided with does benefit to 7 clamping parts of splint, especially cylindricality axle type part, and 7 inboards of splint are fixed with the sheet rubber, and the sheet rubber is provided with the frictional force that does benefit to increase splint 7 and part, is favorable to fastening part, can effectively avoid splint 7 and part to rub simultaneously and lead to the part wearing and tearing.

The rear end of the top surface of the base 1 is provided with a third sliding chute 14, the third sliding chute 14 is connected with a movable plate 15 extending out of the third sliding chute in a sliding manner, the third sliding chute 14 is connected with a screw 16 extending out of the rear end of the base 1 in a rotating manner, the rear end of the screw 16 is provided with a motor 17 fixed at the rear end of the base 1, the screw 16 is connected with the power output end of the motor 17, the front end of the movable plate 15 is provided with a fourth sliding chute 23, the fourth sliding chute 23 is connected with a fixed ring 18 extending out of the front end in a sliding manner, the fixed ring 18 is composed of four arc-shaped blocks 19, one side, opposite to each two adjacent arc-shaped blocks 19, is provided with a second movable groove 20, a limit column 21 is arranged in the second;

after a user axially fixes a part, the motor 17 can be started, the motor 17 drives the screw rod 16 to rotate, the screw rod 16 penetrates through the movable plate 15, the screw rod 16 is in threaded connection with the movable plate 15, the movable plate 15 is driven to move towards the part when the screw rod 16 rotates, when the movable plate 15 drives the fixing ring 18 to move to be in contact with the part, the middle part forms a complete circular semi-through groove when the four arc-shaped blocks 19 are in contact, the fixing ring 18 is enabled to move continuously after being in contact with the part, so that the tail end of the part can slide into the circular semi-through groove, the front end of the arc-shaped block 19 is arc-shaped, the part can be moved into the circular semi-through groove, after the part slides into the circular semi-through groove, the four arc-shaped blocks 19 are extruded to move outwards in the fourth sliding groove 23, when the arc-shaped block 19 moves, the second spring 22, the second spring 22 can continuously contract inwards, so that the arc-shaped block 19 always clamps the tail end of the part to radially support the part, and the problem that the part falls off due to the gravity center offset of the part can be effectively avoided.

When the user need dismantle the part, the accessible starts hydraulic pump 3 and makes hydraulic stem 4 drive movable plate 5 and move down, makes slider 7 extrude splint 7 simultaneously in second spout 24 gliding, makes splint 7 move to the outside and loosen the part, stimulates the part forward again, makes the part break away from solid fixed ring 18 completely, and convenient to use person takes out the part fast and carries out subsequent processing or use to it.

It should be understood that any modification, equivalent replacement, and improvement made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. The utility model provides a major axis class part clamping device, includes base (1), its characterized in that: the hydraulic lifting device is characterized in that supporting plates (2) are fixed on the left side and the right side of the front end of the top surface of the base (1), a limiting block (13) is fixed on the upper side of the inner side of each supporting plate (2), two clamping plates (7) are symmetrically arranged between the supporting plates (2), a limiting groove (12) in sliding connection with the limiting block (13) is formed in the outer side of each clamping plate (7), a movable plate (5) is arranged below each clamping plate (7), a first sliding groove (25) is formed in the inner side of each supporting plate (2) and located below the limiting block (13), the movable plate (5) is in sliding connection with the first sliding groove (25), a hydraulic rod (4) is fixed below the movable plate (5) through screws, a hydraulic pump (3) which is matched with the hydraulic rod (4) and is fixed above the base (1) is arranged below the hydraulic rod (4), a second sliding groove (24) in sliding connection with the sliding block (6) is formed in the bottom of the clamping plate (7), a fixed column (11) is fixed in the middle of the top surface of the moving plate (5), a fixed block (9) is connected to the outer wall of the fixed column (11) in a sliding mode, a first movable groove (8) is formed in the lower portion of the inner side of the clamping plate (7), the left end and the right end of the fixed block (9) extend into the first movable groove (8), and a first spring (10) is fixed between the left end and the right end of the fixed block (9) and the bottom of the first movable groove (8);

the rear end of the top surface of the base (1) is provided with a third sliding chute (14), the third sliding chute (14) is connected with a movable plate (15) extending out of the upper part in a sliding way, a screw rod (16) extending out of the rear end of the base (1) is rotationally connected in the third chute (14), the rear end of the screw rod (16) is provided with a motor (17) fixed at the rear end of the base (1), the screw rod (16) is connected with the power output end of the motor (17), the front end of the movable plate (15) is provided with a fourth sliding chute (23), a fixing ring (18) extending out of the front end of the fourth sliding chute (23) is connected in a sliding way, the fixing ring (18) is composed of four arc-shaped blocks (19), a second movable groove (20) is arranged on one side of each two adjacent arc-shaped blocks (19) opposite to each other, and a limiting column (21) is arranged in the second movable groove (20), and second springs (22) are fixed between two ends of the limiting column (21) and the bottom of the second movable groove (20).

2. The long-axis part clamping device as claimed in claim 1, wherein: the slide block (6) and the second sliding groove (24) are inclined upwards and outwards.

3. The long-axis part clamping device as claimed in claim 1, wherein: the inner side of the clamping plate (7) is arc-shaped, and a rubber sheet is fixed on the inner side of the clamping plate (7).

4. The long-axis part clamping device as claimed in claim 1, wherein: the screw (16) penetrates through the movable plate (15), and the screw (16) is connected with the movable plate (15) through threads.

5. The long-axis part clamping device as claimed in claim 1, wherein: when the four arc-shaped blocks (19) are contacted, the middle parts of the four arc-shaped blocks form a complete circular semi-through groove, and the front ends of the arc-shaped blocks (19) are arc-shaped.