CN207480281U - A kind of flat head machine - Google Patents

Abstract

The utility model is related to pipe fitting trimming device fields, disclose a kind of flat head machine, including rack, grinding attachment, clamping device and driving device, grinding attachment and clamping device are set in rack, clamping device includes pedestal, main shaft and collet, collet is rotated synchronously with main shaft during driving device driving main shaft rotation, the actuator that driving main shaft is moved axially along itself is provided in rack, actuator includes the fixed link being set in rack, one end rotational installation is in the drive rod in fixed link and for Locating driver bar and the locating piece of fixed link rotational angle, sliding is provided with axle sleeve on main shaft, the groove of annular is offered on axle sleeve, the contradictory piece inconsistent with the side wall of groove is provided on drive rod.The utility model is fixed using the angle that locating piece makes drive rod rotate every time so that size when collet clamps pipe fitting every time keeps stablizing, and prevents collet tension damage pipe fitting or pine causes clamping not secured enough excessively.

Description

A kind of flat head machine

Technical field

The utility model is related to copper pipe trimming device field, more particularly to a kind of flat head machine.

Background technology

In being processed in pipe fitting end face, end face flatness is one of production link of pipe fitting flat mouth processing, either wrap-around tube Part or seamless cold pipe fitting, the processing and manufacturing of end face flat mouth all occupy considerable status.Flat head machine is for pipe fitting end Face carries out the equipment that polishing makes the end face smooth.

Existing flat head machine is as shown in Figure 1, including rack 100, grinding mechanism 101 and clamping device 102, grinding mechanism 101 and clamping device 102 may be contained in rack 100, grinding mechanism 101 is clamped for being ground to the end face of pipe fitting Mechanism 102 includes pedestal 103, the main shaft 104, mounted on 104 one end of main shaft and coaxial with main shaft 104 being arranged on pedestal 103 For clamping the collet 105 of pipe fitting, rack 100 is internally provided with driving mechanism, and driving mechanism driving spindle 104 is pressed from both sides when rotating First 105 rotate synchronously with main shaft 104.One end of main shaft 104 back to collet 105 is arranged with sleeve 106, sleeve 106 and main shaft 104 It is threadedly coupled and is rotatably installed on pedestal 103.In use, rotational sleeve 106 makes main shaft 104 be slid along main shaft 104 is axial, when Main shaft 104 back to the direction of collet 105 to when sliding, and collet 105 clamps pipe fitting, when main shaft 104 to the direction towards collet 105 During sliding, collet 105 unclamps pipe fitting.

The release and clamping of collet 105 are realized during use by turnbarrel 106, the process of each feeding and blanking all needs Turnbarrel 106 is wanted, the rotating cycle of sleeve 106 is judged by the experience of worker, often occurs rotating from unclamping to clamping The number of turns deficiency pipe fitting is caused to clamp not strongly the solid and number of turns excessively so that pipe fitting is occurred by the situation that collet 105 clamps deformation, So that the situation that the flat mouth process of pipe fitting becomes complicated and inefficient or even damage pipe pipe fitting occurs occurs.

Utility model content

The purpose of this utility model is to provide a kind of flat head machine, and caliber size during each collet clamping can be made to keep not Become.

The above-mentioned technical purpose of the utility model technical scheme is that：A kind of flat head machine, including Rack, grinding attachment, clamping device and driving device, the grinding attachment and the clamping device may be contained within rack On, the clamping device includes the pedestal being set in rack, the main shaft being arranged on pedestal and mounted on main shaft one End and the collet that is used to clamp pipe fitting coaxial with main shaft, collet is with main shaft when the driving device driving main shaft rotates It rotates synchronously, driving main shaft is provided in the rack and moves axially that collet is driven to lock or unclamp the drive of pipe fitting along itself Moving part, the actuator includes the fixed link being set in rack, one end is rotatablely installed in drive rod and use in fixed link Sliding on Locating driver bar and the locating piece of fixed link rotational angle, the main shaft is provided with axle sleeve, is opened on the axle sleeve Groove equipped with annular, is provided on the drive rod and the side wall of groove is inconsistent drives main shaft edge to push groove The contradictory piece itself axially slid.

By using above-mentioned technical proposal, grinding mechanism drives for the end for the pipe fitting being clamped on collet to be polished Mechanism is for driving main shaft rotation so that the pipe fitting on collet to be driven to rotate together, in use, utilizing the contradictory piece on drive rod The side wall of groove is contradicted, when worker pushes drive rod around with being rotated at fixed link rotation connection manually, contradictory piece pushes axle sleeve Moved along main shaft closer or far from pedestal, axle sleeve along main shaft close to pedestal when, collet unclamps pipe fitting, when axle sleeve is along main shaft During far from pedestal, collet steps up pipe fitting.By locating piece to rotation angle of the drive rod at the rotation connection with fixed link into On the one hand row positioning makes axle sleeve during processing workpiece will not be caused to come off along main shaft sliding, on the other hand can ensure drive rod Pipe fitting is unclamped every time in collet and rotational angle when clamping pipe fitting is constant, so as to ensure that collet just clamps pipe fitting, is prevented Degree, which clamps, causes pipe fitting to deform upon, and has saved cost.

It is further arranged to：One end of the axle sleeve back to collet is provided with abutting portion, and the main shaft is located at the axle sleeve back of the body To being provided with linkage set on the part of the side of pedestal, the main shaft is located at linkage set back to setting on the part of the side of axle sleeve Adjustment disk is equipped with, the linkage, which is put on, is rotatablely equipped with several claws, and one end of the claw contacts at adjustment disk in face of connection On the end face of dynamic set, the other end is contacted on abutting portion, described when the axle sleeve is moved along main shaft to the direction back to pedestal Abutting portion, which contradicts claw, makes claw rotation so as to which main shaft be made to be moved back to pedestal.

By using above-mentioned technical proposal, when axle sleeve slides under the impetus of contradictory piece to back to the direction of pedestal When, the abutting portion of sleeve end contradicts claw towards one end of pedestal, rotates claw, when claw rotates, claw and adjustment disk Inconsistent one end, which contradicts, pushes adjustment disk to make adjustment disk that main shaft be driven to be slided along the axial of main shaft to the direction far from pedestal It moves, so that collet clamps pipe fitting；When drive rod driving contradictory piece pushes axle sleeve, to when being slid towards the direction of pedestal, master turns Axis slides along main shaft is axial to pedestal, so as to which collet be made to unclamp pipe fitting.

It is further arranged to：The locating piece includes being set to adjustment disk towards the protrusion on the end face of linkage set, institute When stating abutting portion and contradicting claw and make claw rotation so as to make the collet clamp pipe fitting, the claw is back to one end of axle sleeve and protrusion It is inconsistent so that claw close to one end of axle sleeve contradict clamp axle sleeve side.

By using above-mentioned technical proposal, when drive rod is rotated so that main shaft slides back to pedestal, claw is with contradicting The protrusion Relative sliding in portion, and be gradually slid onto on the side of abutting portion, at this point, adjustment disk causes card to the active force of claw One end that pawl is contradicted with abutting portion side acts power to abutting portion side, so as to generate frictional force, folder in the position of conflict When head clamps pipe fitting, drive rod is manually decontroled, the used frictional force completes self-locking.And since the side for working as claw and abutting portion is supported When touching, even if abutting portion continues to move back to pedestal, claw will not be rotated further so that one end that claw is contradicted with adjustment disk Will not continue contradict push adjustment disk drive main shaft sliding, so as to ensure collet will not excess shrinkage clamp pipe fitting lead to pipe Part deforms.

It is further arranged to：The claw and the first arc that the inconsistent face in the abutting portion is to abutting portion protrusion setting Shape face.

By using above-mentioned technical proposal, the mill to be contradicted each other when sliding with abutting portion by the first arcwall face reduction claw Damage, extends service life.

It is further arranged to：The claw and the second arc that the inconsistent one end of protrusion is to protrusion protrusion setting Face.

By using above-mentioned technical proposal, claw when claw rotates is reduced by the second arcwall face and is contradicted each other with adjustment disk Abrasion in slipping, extends service life.

It is further arranged to：The adjustment disk is threadedly connected on main shaft.

By using above-mentioned technical proposal, rotation adjustment disk can change adjustment disk in the position of main shaft, so as to change The distance that adjustment disk can push adjustment disk to move is contradicted when claw rotates, so as to which the clamping of the pipe fitting suitable for different tube diameters adds Work, when adjustment disk is rotated far from pedestal, the pipe fitting caliber that collet is applicable in is bigger, when adjustment disk is rotated close to pedestal, collet Applicable pipe fitting caliber is smaller.

It is further arranged to：The linkage external threading is connected on main shaft.

By using above-mentioned technical proposal, the position that can change linkage by rotating linkage set and be sleeved on main shaft, from And adjust adjustable plate is pushed during claw rotation so as to drive that main shaft moves apart from size so that when collet clamps pipe fitting The caliber of adaptation changes, so as to the needs of the clamping suitable for different pipe fittings.

It is further arranged to：Annular portion is provided in the middle part of the drive rod, the annular portion is sheathed on outside axle sleeve, described to support Contact element includes the card column being threadedly connected in annular portion, and the side of the card column and recess sidewall are inconsistent.

By using above-mentioned technical proposal, during use during rotation of drive rod, card column is inconsistent with recess sidewall and impeller-hub Set is moved along the axis of axle sleeve to the direction back to pedestal, and axle sleeve is in autorotation during processing, can be with by using card column Reduce card column and the mutual grinding machine of groove contact site, reduce resistance, so as to which groove and card column be made not to allow easy to wear, extension Service life makes drive rod make to be more uniformly stressed pulling by using annular portion.

It is further arranged to：Supporting rod, the supporting rod and the drive rod are provided in the rack back to fixed link One end bottom surface it is inconsistent.

By using above-mentioned technical proposal, played a supporting role using supporting rod to the one end of drive rod far from fixed link, Drive rod is kept to be in horizontal positioned, prevents drive rod from contradictory piece bottom being caused to contradict groove-bottom when curving in the vertical direction Portion so as to make groove and the abrasion of contradictory piece generation bigger, reduces service life.

It is further arranged to：Return unit is provided on the main shaft, the return unit includes resetting spring, the reset Both ends of the spring is inconsistent with pedestal and main shaft respectively.

It by using above-mentioned technical proposal, can automatically reset when unclamping collet by return unit, when drive rod turns It is dynamic when so that the main shaft is moved in an axial direction to collet, since the active force of resetting spring causes main shaft more smoothly to collet side To movement, collet is made preferably to open.

In conclusion the utility model has the advantages that：

Rotation of drive rod when the 1st, needing to clamp pipe fitting, and when drive rod and fixed link in vertical state when, pass through claw One end contradicts the side of cylindrical portion, and the other end contradicts adjustment disk and forms self-locking structure, so that collet is clamping pipe fitting every time Afterwards, the clamp port size of collet remains unchanged, and avoids each clamp port in different size and leads to tension damage pipe fitting or mistake Send clamping unstable；

2 and need unclamp collet when by drive rod formed lever worker is allow manually to pull release collet, structure Simply, it is convenient to unclamp；

3rd, adjustment disk is to be threadedly coupled with linkage set with main shaft, can adjust adjustment disk by rotation and is sleeved on linkage Position on main shaft clamps the size so that clamp port so as to change collet, is needed so as to adapt to the processing of the pipe fitting of different tube diameters It will.

Description of the drawings

Fig. 1 is prior art construction schematic diagram；

Fig. 2 is example structure schematic diagram；

Fig. 3 is clamping device structure diagram, to represent the structure of clamping device；

Fig. 4 is C-C sectional views in Fig. 3；

C-C sectional views in Fig. 3 when Fig. 5 is the clamping of embodiment collet；

Fig. 6 is enlarged drawing at A in Fig. 4；

Fig. 7 is enlarged drawing at B in Fig. 5；

Fig. 8 is axle sleeve shaft section sectional view, to represent the installation relation of card column and axle sleeve；

In figure：100th, rack；101st, grinding mechanism；102nd, clamping device；103rd, pedestal；104th, main shaft；105th, collet； 106th, sleeve；1st, rack；2nd, grinding attachment；3rd, clamping device；31st, pedestal；32nd, collet；33rd, spring cavity；34th, push plate；4th, it drives Dynamic device；41st, driving wheel；42nd, belt；43rd, driven wheel；5th, main shaft；51st, axle sleeve；52nd, groove；53rd, abutting portion；54th, cylinder Portion；55th, semi-spherical portion；56th, plate is contradicted；6th, actuator；61st, fixed link；62nd, drive rod；63rd, locating piece；64th, contradictory piece；65th, circle Ring portion；66th, fixing bolt；67th, supporting rod；7th, linkage set；71st, claw；72nd, the first arcwall face；73rd, the second arcwall face；8th, it adjusts Save disk；81st, protrusion；9th, return unit.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

A kind of flat head machine, as shown in Fig. 2, including rack 1, grinding attachment 2, clamping device 3 and driving device 4, grinding Device 2 and clamping device 3 may be contained in rack 1, and grinding attachment 2 is for being ground the end face of pipe fitting, clamping device 3 Collet 32 including pedestal 31 and main shaft 5 and for clamping pipe fitting, pedestal 31 are fixedly installed in rack 1, main shaft 5 It is arranged in pedestal 31, main shaft 5 is co-axially mounted in face of one end of grinding attachment 2 with collet 32.

As shown in Figure 4 and Figure 6, return unit 9 is provided between main shaft 5 and pedestal 31, return unit 9 includes one and resets bullet Spring.The spring cavity 33 coaxial with main shaft 5 is offered inside pedestal 31, resetting spring is sheathed on main shaft 5 and positioned at spring In chamber 33, main shaft 5, which is located on the position inside spring cavity 33 to be regularly arranged with, contradicts plate 56, contradicts plate 56 and is located at spring cavity 33 are equipped with the push plate 34 that can be axially slid along main shaft 5, resetting spring one end and bullet on one end of collet 32, pedestal 31 Side wall of the spring chamber 33 far from collet 32 is inconsistent, and the other end and push plate 34 are inconsistent, push plate 34 back to one end of resetting spring with It is inconsistent to contradict plate 56.

As shown in Figure 6 and Figure 7, it when main shaft 5 is moved back to collet 32, contradicts the conflict of plate 56 and push plate 34 is pushed to move, So that resetting spring is compressed.

As shown in Fig. 2, driving device 4 includes driving motor 44, driving wheel 41, driven wheel 43 and belt 42.Driving electricity Machine 44 is installed in rack 1 and output shaft and driving wheel 41 are coaxially connected, driven wheel 43 be fixedly installed on main shaft and with master Shaft 5 is coaxial, and driven wheel 43 is between pedestal 31 and axle sleeve 51, and belt connects 42 and connects driving wheel 41 and driven wheel 43, so as to make When driving motor 44 rotates, driven wheel 43 is driven.

As shown in figure 3, rack 1（As shown in Figure 2）On be provided with driving main shaft 5 move axially actuator 6, actuator 6 include fixed link 61, drive rod 62 and locating piece 63, and fixed link 61 is fixed on pedestal 31 and is arranged in parallel with main shaft 5, One end of drive rod 62 is rotatablely connected with fixed link 61 and annular portion 65 is fixed on drive rod 62, annular portion 65 in circular and It is sheathed on outside main shaft 5, drive rod 62 can in the horizontal plane be rotated around rotation junction.Supporting rod 67 is fixed on pedestal 31, Supporting rod 67 is parallel with main shaft 5 and supporting rod 67 and the bottom surface of the one end of drive rod 62 back to fixed link 61 are inconsistent.

As shown in figures 3 and 8, sliding is provided with axle sleeve 51 on main shaft 5, and 51 upper surface of axle sleeve offers the groove of annular 52, it is provided with and the inconsistent contradictory piece 64 axle sleeve 51 to be pushed to be slid along main shaft 5 of groove 52 on drive rod 62.

Contradictory piece 64 includes card column, is fixedly connected with fixing bolt 66 at the top of card column, card column passes through 66 screw thread of fixing bolt In annular portion 65 and one end of card column is connected to stretch into groove 52 so that the side of card column and 52 side wall of groove are inconsistent.

As shown in figure 3, locating piece 63 includes abutting portion 53, abutting portion 53 is set to axle sleeve 51 back to one end of collet 32, Abutting portion 53 includes cylindrical portion 54 and positioned at cylindrical portion 54 back to the semi-spherical portion 55 of 32 side of collet, and main shaft 5 is located at axle sleeve 51 back to linkage set 7 is threaded on the part of the side of pedestal 31, and main shaft 5 is located at linkage set 7 back to the one of axle sleeve 51 Be threaded with adjustment disk 8 on the part of side, locating piece 63 further includes protrusion 81, protrusion 81 be fixed on adjustment disk 8 towards On the end face of linkage set 7.There are four claws 71 for rotational installation on linkage set 7, and claw 71 is circumferentially distributed along linkage set 7 and one end is supported It touches on the protrusion 81 on adjustment disk 8,71 other end of claw is contacted on the side of semi-spherical portion 55.

As shown in Figure 4 and Figure 5, when axle sleeve 51 is pushed by drive rod 62, semi-spherical portion 55 contradict claw 71 make claw 71 around It is rotated, while the position that claw 71 is contradicted with semi-spherical portion 55 is moved to cylindrical portion 54 at claw 71 and linkage 7 rotational installations of set.Card Push protrusion 81 that main shaft 5 is made to move to manage so as to clamp collet 32 back to pedestal 31 along main shaft 5 is axial when pawl 71 rotates Part.When clamping pipe fitting, drive rod 62 and fixed link 61 in vertical state, at this point, claw 71 is back to one end of adjustment disk 8 and cylinder 54 side of portion is inconsistent.

As shown in Figure 3 and Figure 4, claw 71 is to protrude the first arc set to abutting portion 53 with the inconsistent face in abutting portion 53 Shape face 72.

Claw 71 and the second arcwall face 73 that the inconsistent one end of protrusion 81 is to the protrusion setting of protrusion 81.

Use principle：Drive rod 62 is pulled into the obliquity close to 31 side of pedestal so that winner turns manually during use Axis 5 slides to 32 direction of collet, so that collet 32 unclamps, manually one end of pipe fitting is inserted into collet 32, pipe fitting needs Expose collet 32 in one end of smooth processing.Then drive rod 62 is pulled so that driving plate and fixed link 61 are orthogonal, at this point, card 71 one end of pawl and the inconsistent other end in side and protrusion 81 of cylindrical portion 54 are inconsistent, form locking phenomenon, decontrol drive rod When 62, drive rod 62 can keep not rotating.Adjustment grinding machine head makes grinding machine head be in suitable position at this time, starts driving motor 11 make driving motor 11 that main shaft 5 and collet 32 be driven to rotate, and so as to make pipe fitting rotation, grinding are realized, so as to complete To the finishing operations of pipe fitting end face.

It rotates adjustment disk 8 and adjusts position of the adjustment disk 8 on main shaft 5, when adjustment disk 8 is moved back to pedestal 31, card The distance for main shaft 5 being pushed to be moved back to collet 32 when pawl 71 rotates is smaller so that and the clamp port after collet 32 clamps is bigger, from And suitable for the larger pipe fitting of radius；When adjustment disk 8 is moved towards pedestal 31, claw 71 rotate when push main shaft 5 back to The distance that collet 32 moves is bigger so that the clamp port after collet 32 clamps is smaller, so as to suitable for the smaller pipe fitting of radius.

By rotate linkage set 7 adjust linkage set 7 positions on main shaft 5, with facilitate adjustment axle sleeve 51, linkage set 7, The distance between adjustment disk 8 relationship, prevents claw 71 to be detached from axle sleeve 51 and adjustment disk 8.

This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but As long as it is all protected in the right of the utility model by Patent Law.

Claims (10)

1. a kind of flat head machine, including rack (1), grinding attachment (2), clamping device (3) and driving device (4), the grinding Device (2) and the clamping device (3) may be contained in rack (1), and the clamping device (3) is including being set to rack (1) On pedestal (31), the main shaft (5) that is arranged on pedestal (31) and mounted on main shaft (5) one end and with main shaft (5) The coaxial collet (32) for being used to clamp pipe fitting, collet (32) turns with main when driving device (4) the driving main shaft (5) rotates Axis (5) rotates synchronously, it is characterised in that：Driving main shaft (5) is provided on the rack (1) to move axially to drive along itself The actuator (6) of pipe fitting is locked or unclamped to collet (32), and the actuator (6) includes the fixed link that is set in rack (1) (61), one end rotational installation is in the drive rod (62) in fixed link (61) and for Locating driver bar (62) and fixed link (61) The locating piece (63) of rotational angle, on the main shaft (5) sliding be provided with axle sleeve (51), offer ring on the axle sleeve (51) The groove (52) of shape is provided on the drive rod (62) inconsistent to push groove (52) so as to band with the side wall of groove (52) Main shaft (5) is moved along the contradictory piece (64) itself axially slid.

2. a kind of flat head machine according to claim 1, it is characterised in that：The locating piece (63) includes abutting portion (53), The abutting portion (53) is set to axle sleeve (51) back to one end of collet (32), the main shaft (5) positioned at axle sleeve (51) back to Linkage set (7) is provided on the part of the side of pedestal (31), the main shaft (5) covers (7) back to axle sleeve (51) positioned at linkage Side part on be provided with adjustment disk (8), is rotatablely equipped with several claws (71), the card on the linkage set (7) One end of pawl (71) contacts at adjustment disk (8) on the end face of linkage set (7), and the other end is contacted on abutting portion (53), institute Axle sleeve (51) is stated along main shaft (5) to when being moved back to the direction of pedestal (31), the abutting portion (53), which contradicts claw (71), to be made Claw (71) rotation is so as to make main shaft (5) mobile back to pedestal (31).

3. a kind of flat head machine according to claim 2, it is characterised in that：The locating piece (63) is including being set to adjustment disk (8) towards the protrusion (81) on the end face of linkage set (7), the abutting portion (53), which contradicts claw (71), rotates claw (71) During so as to which collet (32) being made to clamp pipe fitting, the claw (71) back to one end of axle sleeve (51) and protrusion (81) it is inconsistent so that It obtains claw (71) and the side for clamping axle sleeve (51) is contradicted close to one end of axle sleeve (51).

4. a kind of flat head machine according to claim 3, it is characterised in that：The claw (71) and the abutting portion (53) phase The face of conflict is the first arcwall face (72) to the setting of abutting portion (53) protrusion.

5. a kind of flat head machine according to claim 3, it is characterised in that：The claw (71) and protrusion (81) are inconsistent One end be to protrusion (81) protrusion setting the second arcwall face (73).

6. a kind of flat head machine according to claim 3, it is characterised in that：The adjustment disk (8) is threadedly connected to main shaft (5) on.

7. a kind of flat head machine according to claim 6, it is characterised in that：The linkage set (7) is threadedly connected to main shaft (5) on.

8. a kind of flat head machine according to claim 1, it is characterised in that：Annular portion is provided in the middle part of the drive rod (62) (65), the annular portion (65) is sheathed on axle sleeve (51) outside, and the contradictory piece (64) is including being threadedly connected in annular portion (65) Card column (66), the side of the card column (66) and groove (52) side wall are inconsistent.

9. a kind of flat head machine according to claim 1, it is characterised in that：Supporting rod (67) is provided on the rack (1), The supporting rod (67) and the bottom surface of the one end of the drive rod (62) back to fixed link (61) are inconsistent.

10. a kind of flat head machine according to claim 1, it is characterised in that：Return unit is provided on the main shaft (5) (9), the return unit (9) includes resetting spring, and the resetting spring both ends offset respectively with pedestal (31) and main shaft (5) It touches.