CN113319603A

CN113319603A - Shaft part machining clamp

Info

Publication number: CN113319603A
Application number: CN202110774213.XA
Authority: CN
Inventors: 杜忠齐; 丁从张; 官杨; 安碧川; 陈星�
Original assignee: Chengdu Univeristy of Technology
Current assignee: Chengdu Univeristy of Technology
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-08-31

Abstract

The invention discloses a shaft part machining clamp, and relates to the technical field of shaft clamps. When the device is used, the two groups of rotary supporting wheels are used for pre-supporting the parts, then the supporting wheels are pushed until the supporting wheels are contacted with the shaft parts, a triangular stable structure is formed under the combination of the other two groups of rotary supporting wheels, so that the shaft parts are firmly clamped, when a clamping part needs to be machined, only two groups of electric rollers which are matched with each other are pushed simultaneously to support the parts from the right below the parts until the parts are completely separated from the two groups of rotary supporting wheels, then the electric rollers are started to drive the parts to translate, and the original clamping sections are clamped after being exposed, so that the waste of time caused by re-clamping is avoided.

Description

Shaft part machining clamp

Technical Field

The invention relates to the technical field of shaft clamps, in particular to a shaft part machining clamp.

Background

A fixture, also called a fixture, is a device for quickly, conveniently and safely mounting a workpiece, also called a fixture, in a broad sense, in any process step in a process, and when the workpiece is machined, the workpiece must be positioned, clamped and clamped before machining in order to make the surface of the workpiece meet the technical requirements of the size, the geometric shape, the mutual position precision with other surfaces and the like specified in the drawing.

But when current lathe processing axle type part, when processing to near the stiff end, because the canned paragraph of fixed calliper leads to needing to loosen calliper, and rethread manual work or mechanical assistance will treat the upset of processing axle, lead to the processing interval longer, extravagant equipment productivity, and will be close to behind the upset of the unprocessed section of calliper department to the other end, need fix a position again to axle piece machining center line, lead to machining efficiency lower.

Disclosure of Invention

Based on the above, the invention aims to provide a shaft part machining clamp, which solves the technical problems that in the prior art, when a fixing section for fixing calipers is machined, the calipers need to be loosened, then the shafts to be machined are turned over through manual or mechanical assistance, the machining interval is long, the equipment capacity is wasted, and after an unmachined section close to the calipers is turned over to the other end, the machining center line of the shaft part needs to be positioned again, so that the machining efficiency is low.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an axle type parts machining anchor clamps, includes the installation base, the inboard both ends of installation base all are provided with screw rod and polished rod, the installation base is through two sets of screw rod threaded connection has first mounting bracket and second mounting bracket respectively, first mounting bracket with the inside of second mounting bracket is provided with fixture, first mounting bracket with the outside of second mounting bracket install with the actuating mechanism that fixture mutually supported.

Through adopting above-mentioned technical scheme, be in order to utilize fixture to carry out the centre gripping with axle type part. Reuse actuating mechanism's effect again, with the part fast revolution to better process equipment, and utilize the effect of screw rod, will adjust the distance between first mounting panel and the second mounting panel.

The invention is further provided that a clamping mechanism is arranged inside the first mounting frame and the second mounting frame, the clamping mechanism comprises a first air cylinder, a second air cylinder, a first fixing seat, a supporting wheel, an electric roller, a second fixing seat, a rotary supporting wheel and a third fixing seat, the first air cylinder and the second air cylinder are respectively arranged at the top and the bottom of the first mounting frame and the second mounting frame, the first fixing seat and the third fixing seat are respectively arranged at the output ends of the first air cylinder and the second air cylinder, the supporting wheel and the electric roller are respectively arranged inside the first fixing seat and the third fixing seat, and the second fixing seat is respectively arranged at two sides inside the first mounting frame and the second mounting frame. The inside of the second fixing seat is provided with the rotary supporting wheel which is matched with the supporting wheel.

By adopting the technical scheme, support the part for better utilization rotation support wheel, make the part axis remain unchanged, later utilize support wheel to fix the part, accomplish the clamping, thereby avoided follow-up repeated tool setting to the axial, improve work efficiency, and when needing to process the clamping position, only need promote two sets of electric drum of mutually supporting simultaneously, support it under the part, until making the part break away from with two sets of rotation support wheels completely, later start electric drum, drive the translation with the part, treat to expose the back with original centre gripping section, grasp it again, the clamping again has been avoided like this and the waste that causes the time.

The invention is further provided that a driving mechanism which is matched with the clamping mechanism is arranged at the outer sides of the first mounting frame and the second mounting frame, the driving mechanism comprises a mounting plate, a first motor, a first belt pulley, a second belt pulley, a belt, a first gear, a second gear, a third belt pulley and a fourth belt pulley, the mounting plate is arranged at the top of the first mounting frame and the top of the second mounting frame, the first motor is arranged at one side of the mounting plate, the other end of the mounting plate is respectively connected with the first belt pulley and the second belt pulley through rotating shafts, two symmetrical groups of the second fixing seats are connected with the corresponding third belt pulley and the fourth belt pulley through rotating shafts, and the belt is used for sequentially connecting the first belt pulley, the second belt pulley, the third belt pulley and the fourth belt pulley, the third belt pulley with the fourth belt pulley all is provided with through the pivot the second gear, the symmetry is two sets of the second fixing base through the pivot be connected with the second gear is mutually supported the first gear, the first gear all with rotatory supporting wheel is mutually supported and is connected.

Through adopting above-mentioned technical scheme, be in order to utilize first motor in the effect of first belt pulley, second belt pulley, third belt pulley, fourth belt pulley and belt and utilize under the cooperation of first gear and second gear with rotatory supporting wheel drive rotation to drive the part rotation, be convenient for process.

The invention is further provided that both sides of the first mounting frame and the second mounting frame are respectively provided with a first connecting seat and a second connecting seat, and the first connecting seat is positioned at different positions of the first mounting frame and the second mounting frame.

Through adopting above-mentioned technical scheme, be in order to utilize first connecting seat and second connecting seat with first mounting bracket and second mounting bracket movable mounting on polished rod and screw rod, be convenient for support.

The invention is further arranged in that through holes matched with the polished rod are arranged on the outer sides of the first connecting seat and the second connecting seat, and threaded holes matched with the screw rods are formed in the outer side of the first connecting seat and positioned at the lower end of the polished rod.

Through adopting above-mentioned technical scheme, be in order to utilize the cooperation of screw hole and screw rod, be convenient for more remove first mounting bracket and second mounting bracket, and utilize the polished rod to lead, make its more steady of operation.

The invention is further provided that both ends of the outer side of the mounting base are provided with second motors which are matched with the screw rods.

By adopting the technical scheme, the screw rod is driven to rotate by utilizing the second motor, so that the driving equipment is convenient to move

The invention is further provided that the supporting wheel, the rotary supporting wheel and the electric roller are all wrapped with rubber.

Through adopting above-mentioned technical scheme, be for utilizing the effect of rubber, increase coefficient of friction between supporting wheel, rotatory supporting wheel, motorized pulley and the part to be convenient for drive the part rotation.

The invention is further configured such that the diameter of the first gear is greater than the diameter of the second gear.

By adopting the technical scheme, the speed of the part in rotation is improved by utilizing the gear ratio of the first gear to the second gear, so that the machining precision is better.

In summary, the invention mainly has the following beneficial effects:

when the device is used, the parts are pre-supported by utilizing the two groups of rotary supporting wheels, then the supporting wheels are pushed until the supporting wheels are contacted with the shaft parts, a triangular stable structure is formed under the combination of the other two groups of rotary supporting wheels, so that the shaft parts are firmly clamped, and when a clamping part needs to be machined, only two groups of electric rollers which are matched with each other are pushed simultaneously to support the parts from the right below the parts until the parts are completely separated from the two groups of rotary supporting wheels, then the electric rollers are started to drive the parts to translate, and the original clamping sections are clamped after being exposed, so that the waste of time caused by re-clamping is avoided; then the electric roller moves downwards, so that the part is contacted with the rotary supporting wheel again, the position of the central axis of the part is not changed, the tool setting is not required to be carried out again, and the working efficiency is further improved;

the two groups of screw rods and the two groups of polished rods are arranged, so that the two groups of screw rods respectively act on the first mounting frame and the second mounting frame, the distance between the first mounting frame and the second mounting frame can be respectively moved, shaft parts can be processed more stably, the first mounting frame and the second mounting frame are guided by the two groups of polished rods, the first mounting frame and the second mounting frame are prevented from shaking in the clamping process, and the processing precision is prevented from being lowered.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a second mounting frame of the present invention;

FIG. 3 is an enlarged view of the invention at A in FIG. 2;

FIG. 4 is a schematic view of another perspective structure of the second mounting frame of the present invention;

FIG. 5 is an enlarged view of the invention at B in FIG. 4;

FIG. 6 is a side view of a second mounting bracket according to the present invention;

FIG. 7 is a side cross-sectional view of a second mount of the present invention;

fig. 8 is an enlarged view of the invention at C in fig. 7.

In the figure: 1. installing a base; 2. a screw; 3. a polish rod; 4. a first mounting bracket; 5. a second mounting bracket; 6. a clamping mechanism; 601. a first cylinder; 602. a second cylinder; 603. a first fixed seat; 604. a support wheel; 605. an electric roller; 606. a second fixed seat; 607. rotating the support wheel; 608. a third fixed seat; 7. a drive mechanism; 701. mounting a plate; 702. a first motor; 703. a first pulley; 704. a second pulley; 705. a belt; 706. a first gear; 707. a second gear; 708. a third belt pulley; 709. a fourth belt pulley; 8. a first connecting seat; 9. a second connecting seat; 10. a through hole; 11. a threaded hole; 12. a second motor.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

The utility model provides an axle type parts machining anchor clamps, as shown in fig. 1-8, including installation base 1, the inboard both ends of installation base 1 all are provided with screw rod 2 and polished rod 3, installation base 1 has first mounting bracket 4 and second mounting bracket 5 through two sets of screw rod 2 threaded connection respectively, utilize screw rod 2 and polished rod 3 to install first mounting bracket 4 and second mounting bracket 5, be convenient for first mounting bracket 4 and second mounting bracket 5 carry out the spacing regulation on it, the inside of first mounting bracket 4 and second mounting bracket 5 is provided with fixture 6, utilize fixture 6 to carry out centre gripping and removal to the part, actuating mechanism 7 with fixture 6 mutually supporting is installed in the outside of first mounting bracket 4 and second mounting bracket 5, utilize actuating mechanism 7 to carry out the driven rotation to the part.

Referring to fig. 2-8, a clamping mechanism 6 is disposed inside the first and second mounts 4 and 5, the clamping mechanism 6 includes a first cylinder 601, a second cylinder 602, a first fixing seat 603, a supporting wheel 604, an electric roller 605, a second fixing seat 606, a rotary supporting wheel 607, and a third fixing seat 608, the first and second cylinders 601 and 602 are respectively mounted on the top and bottom of the first and second mounts 4 and 5, the output ends of the first and second cylinders 601 and 602 are respectively provided with the first and third fixing seats 603 and 608, the supporting wheel 604 and the electric roller 605 are respectively disposed inside the first and third fixing seats 603 and 608, the supporting wheel 604 and the electric roller 605 are pushed to work by the first and second cylinders 601 and 602, the second fixing seats 606 are respectively mounted on both sides of the first and second mounts 4 and 5, the rotary supporting wheel 607 is disposed inside the second fixing seat 606 and cooperates with the supporting wheel 604, the parts are supported by the rotary supporting wheel 607, the central axis of the parts is kept unchanged, then the parts are fixed by the supporting wheel 604, clamping is completed, follow-up repeated axial tool setting is avoided, and working efficiency is improved.

Referring to fig. 2 to 8, a driving mechanism 7 cooperating with the clamping mechanism 6 is installed at the outer sides of the first and second mounts 4 and 5, the driving mechanism 7 includes a mounting plate 701, a first motor 702, a first pulley 703, a second pulley 704, a belt 705, a first gear 706, a second gear 707, a third pulley 708, and a fourth pulley 709, the top portions of the first and second mounts 4 and 5 are both provided with the mounting plate 701, one side of the mounting plate 701 is installed with the first motor 702, the other end of the mounting plate 701 is respectively connected with the first pulley 703 and the second pulley 704 through a rotating shaft, two sets of symmetrical second holders 606 are connected with the corresponding third pulley 708 and fourth pulley 709 through a rotating shaft, the belt 705 is used for sequentially connecting the first pulley 703, the second pulley 704, the third pulley 708, and the fourth pulley 709, and the belt 705 is used for connecting the first pulley 703, the second pulley 709, and the first pulley 703, the second pulley 709, The second belt pulley 704, the third belt pulley 708 and the fourth belt pulley 709 are sequentially connected in series to form a conveying mechanism, so that the driving force of the first motor 702 is conveniently transmitted to the second rotating gear 707 to rotate, the second gears 707 are arranged on the third belt pulley 708 and the fourth belt pulley 709 through rotating shafts, two groups of symmetrical second fixing seats 606 are connected with first gears 706 matched with the second gears 707 through rotating shafts, the first gears 706 are matched with the rotating supporting wheel 607, and then the driving force is transmitted to the rotating supporting wheel 607 by matching the second gears 707 with the first gears 706, so that the parts are conveniently driven to rotate, and the processing is convenient.

Referring to fig. 1, 2, 4 and 6, a first connecting seat 8 and a second connecting seat 9 are respectively disposed on two sides of the first mounting frame 4 and the second mounting frame 5, the first connecting seat 8 is located at different positions of the first mounting frame 4 and the second mounting frame 5, and the first mounting frame 4 and the second mounting frame 5 are movably mounted on the polish rod 3 and the screw rod 2 by using the first connecting seat 8 and the second connecting seat 9, so as to be convenient for supporting.

Referring to fig. 1, 2, 4 and 6, the outer sides of the first connecting seat 8 and the second connecting seat 9 are provided with through holes 10 mutually matched with the polish rod 3, the outer side of the first connecting seat 8 is provided with a threaded hole 11 mutually matched with the screw rod 2 and located at the lower end of the polish rod 3, and the first mounting frame 4 and the second mounting frame 5 are more conveniently moved by matching the threaded hole 11 with the screw rod 2 and guided by the polish rod 3, so that the operation of the mounting frame is more stable.

Referring to fig. 1, the second motor 12 cooperating with the screw rod 2 is installed at both ends of the outer side of the installation base 1, and the second motor 12 is used to drive the screw rod 2 to rotate, thereby facilitating the movement of the driving device.

Referring to fig. 2-8, the supporting wheels 604, the rotating supporting wheels 607 and the electric roller 605 are wrapped with rubber, and the friction coefficient between the supporting wheels 604, the rotating supporting wheels 607, the electric roller 605 and the component is increased by the rubber, so as to facilitate driving the component to rotate.

Referring to fig. 3, 4, 5 and 8, the diameter of the first gear 706 is larger than that of the second gear 707, and the gear ratio of the first gear 706 to the second gear 707 is used to increase the speed of the part during rotation, so that the machining precision is better.

The working principle of the invention is as follows: when in use, the two groups of second motors 12 are respectively started to respectively drive the corresponding screw rods 2 to rotate, and then the corresponding threaded holes 11 are matched to respectively drive the first mounting frame 4 and the second mounting frame 5 to move, so that the distance between the first mounting frame 4 and the second mounting frame 5 is adjusted, the first mounting frame 4 and the second mounting frame 5 are guided by the two groups of polished rods 3, so that the first mounting frame 4 and the second mounting frame 5 do not shake in the clamping process, the machining precision is prevented from being reduced, then the distance between the first mounting frame 4 and the second mounting frame 5 is adjusted according to the length of a part to be machined, then the part is placed on two groups of symmetrical rotating supporting wheels 607 in the first mounting frame 4 and the second mounting frame 5 to be pre-supported, then the first air cylinder 601 is started to drive the supporting wheels 604 to move towards the part until the shaft part is clamped tightly, then, starting a first motor 702, driving two groups of symmetrical second gears 707 and first gears 706 to rotate under the mutual matching of a first belt pulley 703, a second belt pulley 704, a third belt pulley 708, a fourth belt pulley 709 and a belt 705, then driving the corresponding rotary supporting wheels 607 to rotate, forming a triangular stable structure under the combination of the supporting wheel 604 and the other two groups of rotary supporting wheels 607, driving a part to rotate at a high speed, and finally processing the part;

when the clamping position needs to be machined, the second air cylinder 602 is only needed to be used for simultaneously pushing the corresponding electric rollers 605 in the first mounting frame 4 and the second mounting frame 5, the part is supported from the position under the part until the part is completely separated from the two groups of rotating supporting wheels 607, then the electric rollers 605 are started to drive the part to translate, and the original clamping section is clamped after being exposed, so that the waste of time caused by re-clamping is avoided; and then the motorized roller 605 is moved downwards, so that the part is contacted with the rotary supporting wheel 607 again, the position of the central axis of the part is not changed, the tool does not need to be reset, and the working efficiency is further improved.

Although embodiments of the present invention have been shown and described, it is intended that the present invention should not be limited thereto, that the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples, and that modifications, substitutions, variations or the like, which are not inventive and may be made by those skilled in the art without departing from the principle and spirit of the present invention and without departing from the scope of the claims.

Claims

1. The utility model provides an axle type parts machining anchor clamps, includes installation base (1), its characterized in that: the utility model discloses a polished rod, including installation base (1), installation base (1) inboard both ends all are provided with screw rod (2) and polished rod (3), installation base (1) is through two sets of screw rod (2) threaded connection respectively have first mounting bracket (4) and second mounting bracket (5), first mounting bracket (4) with the inside of second mounting bracket (5) is provided with fixture (6), first mounting bracket (4) with the outside of second mounting bracket (5) install with actuating mechanism (7) that fixture (6) mutually supported.

2. The shaft part machining clamp of claim 1, wherein: the clamping mechanism (6) comprises a first air cylinder (601), a second air cylinder (602), a first fixed seat (603), a supporting wheel (604), an electric roller (605), a second fixed seat (606), a rotary supporting wheel (607) and a third fixed seat (608), the top and the bottom of the first mounting rack (4) and the second mounting rack (5) are respectively provided with the first cylinder (601) and the second cylinder (602), the output ends of the first cylinder (601) and the second cylinder (602) are respectively provided with the first fixing seat (603) and the third fixing seat (608), the supporting wheels (604) and the electric roller (605) are respectively arranged in the first fixed seat (603) and the third fixed seat (608), the second fixed seat (606) is mounted on two sides of the interior of the first mounting rack (4) and the second mounting rack (5); the inside of the second fixing seat (606) is provided with the rotary supporting wheel (607) which is matched with the supporting wheel (604).

3. The shaft part machining clamp of claim 2, wherein: actuating mechanism (7) are including mounting panel (701), first motor (702), first belt pulley (703), second belt pulley (704), belt (705), first gear (706), second gear (707), third belt pulley (708), fourth belt pulley (709), first mounting bracket (4) all are provided with the top of second mounting bracket (5) mounting panel (701), install one side of mounting panel (701) first motor (702), mounting panel (701) other end is connected with respectively through the pivot first belt pulley (703), second belt pulley (704), and the symmetry is two sets of second fixing base (606) are connected with the correspondence through the pivot third belt pulley (708) with fourth belt pulley (709), belt (705) are used for connecting gradually first belt pulley (703), second belt pulley (704), Third belt pulley (708) with fourth belt pulley (709), third belt pulley (708) with fourth belt pulley (709) all are provided with through the pivot second gear (707), two sets of symmetry second fixing base (606) be connected with through the pivot with second gear (707) are mutually supported first gear (706), first gear (706) all with rotatory supporting wheel (607) are mutually supported and are connected.

4. The shaft part machining clamp according to claim 3, wherein: the diameter of the first gear (706) is larger than the diameter of the second gear (707).

5. The shaft part machining clamp of claim 2, wherein: the supporting wheels (604), the rotary supporting wheels (607) and the electric roller (605) are all wrapped with rubber.

6. The shaft part machining clamp of claim 1, wherein: the first mounting frame (4) and the second mounting frame (5) are respectively provided with a first connecting seat (8) and a second connecting seat (9), and the first connecting seat (8) is located at positions different from the first mounting frame (4) and the second mounting frame (5).

7. The shaft part machining clamp of claim 6, wherein: the outer sides of the first connecting seat (8) and the second connecting seat (9) are provided with through holes (10) matched with the polished rod (3), and the outer side of the first connecting seat (8) is provided with threaded holes (11) which are positioned at the lower end of the polished rod (3) and matched with the screw rod (2).

8. The shaft part machining clamp of claim 1, wherein: and the two ends of the outer side of the mounting base (1) are both provided with second motors (12) which are matched with the screw rods (2).