CN217371468U

CN217371468U - Clamp for machining ring-shaped piece

Info

Publication number: CN217371468U
Application number: CN202221074451.6U
Authority: CN
Inventors: 傅成; 朱正元; 黄武林
Original assignee: Zhejiang Jinfei Machinery Co ltd
Current assignee: Zhejiang Jinfei Machinery Co ltd
Priority date: 2022-04-30
Filing date: 2022-04-30
Publication date: 2022-09-06
Anticipated expiration: 2032-04-30

Abstract

The utility model relates to an anchor clamps are used in annular spare processing. The utility model provides an anchor clamps are used in annular spare processing, its characterized in that includes the fixing base, the backup pad that the high slope of low back set up before being equipped with on the fixing base, the backup pad up end is equipped with a plurality of location bosss that set up with the backup pad up end is perpendicular, be fixed with at least two reference columns with the fabrication hole matched with of annular spare in the backup pad, and have at least one reference column and be located backup pad upper end department, the backup pad middle part is equipped with the retaining member, the retaining member upper end can be dismantled and be fixed with the clamp plate, the length of clamp plate is greater than the external diameter of location boss, backup pad rear side or backup pad rear have the cutter space of stepping down to the processing cutter, or/and backup pad front side or backup pad the place ahead have the cutter space of stepping down to the processing cutter. The utility model has the advantages of the T-slot processing on the ring unit of being convenient for, and the machining precision is higher.

Description

Clamp for machining ring-shaped piece

Technical Field

The utility model relates to an anchor clamps are used in annular spare processing.

Background

As shown in fig. 1, the ring 1 has a plurality of T-shaped grooves 11 which are arranged in a central symmetry and penetrate vertically, and the T-shaped grooves 11 are inclined with respect to the ring 1, that is, the groove surfaces of the T-shaped grooves are inclined with respect to the end surfaces and the side surfaces of the ring 1. Wherein, a plurality of fabrication holes 12 for matching fasteners to facilitate the assembly of the annular member with other components are also arranged on the annular member 1.

In actual production, when a plurality of T-shaped grooves 11 are machined on the ring-shaped member 1, tool angle and position adjustment is required for each machining of one T-shaped groove, the tool angle and position adjustment is troublesome, once the position of the tool after adjustment deviates, the machining precision is greatly reduced, the machined product is difficult to use, and some tools are difficult to change the tool cutting angle.

Disclosure of Invention

The utility model aims at providing a T-slot processing on the loop forming element of being convenient for, and can guarantee the anchor clamps are used in loop forming element processing of machining precision.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an anchor clamps are used in annular spare processing, includes the fixing base, be equipped with the backup pad that the high slope in low back set up before the fixing base, the backup pad up end is equipped with a plurality of location bosss that set up with the backup pad up end is perpendicular, be fixed with at least two reference columns with the fabrication hole complex of annular part in the backup pad, and have at least one reference column and be located backup pad upper end department, the backup pad middle part is equipped with the retaining member, the retaining member upper end can be dismantled and be fixed with the clamp plate, the length of clamp plate is greater than the external diameter of location boss, backup pad rear side or backup pad rear have the cutter space of stepping down to the processing cutter, or/and backup pad front side or backup pad the place ahead have the cutter space of stepping down to the processing cutter.

When the positioning device is used, the annular piece is placed on the inclined supporting plate, the annular piece is sleeved on the positioning boss, the positioning column penetrates through the technical hole of the annular piece, the outer wall of the positioning boss is in clearance fit with the inner wall of the annular piece, the outer wall of the positioning column is in clearance fit with the technical hole, so that the annular piece is positioned, then the locking piece and the pressing plate are pressed and mounted, so that the annular piece is fixed on the supporting plate, and then the T-shaped groove on the annular piece is machined through a machining center or linear cutting; after each T-shaped groove is machined, the annular piece is taken down, then the annular piece is rotated, and the annular piece is fixed on the supporting plate, so that the next T-shaped groove is machined under the condition that the positions of the cutter and the fixed seat are not changed; wherein, in order to ensure the consistency of the rotation angle of the annular piece each time, all the fabrication holes on the annular piece need to be processed first. Wherein, the space of stepping down is the groove of stepping down of cutter, and the space of stepping down can be the upper and lower through that sets up in the backup pad, also can do for a short time with the backup pad to when making the annular member place in the backup pad, the annular member edge is located backup pad circumference outside, thereby avoids cutter and backup pad contact. Wherein, the utility model discloses a location boss and two at least reference columns are fixed a position the work piece, can guarantee the machining precision. The utility model can horizontally move the wire cutter for wire cutting in a vertical state to process a T-shaped groove at the front end of the annular piece by designing the inclination angle of the supporting plate through inclining the supporting plate; the utility model discloses still through setting up the bigger backup pad of inclination to make machining center's cutter need not incline great angle, or make machining center's T shape cutter along the play sword direction of horizontal direction alright with the processing in the last T-slot of ring member of carrying on.

Preferably, the supporting plate can be detachably fixed with a positioning block, the front end of the positioning block is fixed with a T-shaped bulge extending upwards, the T-shaped bulge is relatively positioned in front of the supporting plate, and the cutter abdicating space is arranged on the rear side of the supporting plate or behind the supporting plate; or the positioning block is transversely arranged, a T-shaped bulge extending upwards is arranged at the side end of the positioning block, and the cutter abdicating space is arranged at the front side or the front end of the supporting plate.

After a T-shaped groove is machined in the ring-shaped piece, the ring-shaped piece is taken down from the fixture, then the ring-shaped piece is rotated to enable the T-shaped groove in the ring-shaped piece to be aligned with the T-shaped protrusion, then the ring-shaped piece is put down to enable the positioning column to be located in the technical hole of the ring-shaped piece, and the T-shaped protrusion to be matched in the T-shaped groove, so that the rotating angle between the positions, located on the fixture, of the ring-shaped piece twice in the front and back is guaranteed to be a set value, and machining precision is further improved.

Preferably, the number of the positioning bosses is one, and the outer edge of the cross section of each positioning boss is circular. Set up an annular or circular shape location boss, can increase the contact surface of location boss and loop forming element inner wall, thereby guarantee the utility model discloses stability when anchor clamps use.

Preferably, the cross section of the positioning boss is circular, and the positioning block is detachably fixed on the positioning boss. Above-mentioned setting is in order to improve the structural strength of location boss, avoids as far as possible to fix a position the boss again and takes place deformation after the contact with the annular member collision many times, prolongs the life of backup pad.

Preferably, the upper end face of the supporting plate is provided with a cushion block, and when the ring-shaped piece is placed on the supporting plate and the lower end face of the ring-shaped piece is in contact with the upper end face of the supporting plate, the upper end face of the cushion block and the upper end face of the positioning block are both located on the lower side of the upper end face of the ring-shaped piece. Through setting for the cushion to avoid the clamp plate middle part by the buckling, avoid the excessive displacement of retaining member.

Preferably, the locking piece is located between the cushion block and the positioning block, and the front end face of the cushion block and the rear end face of the positioning block are close to the locking piece. Through making retaining member and cushion be close to the retaining member to can obtain supporting after making the clamp plate middle part crooked, avoid the clamp plate excessively crooked.

Preferably, retaining member and backup pad threaded fixation, backup pad center department is equipped with the internal thread hole, internal thread hole axis perpendicular to backup pad up end, the retaining member lower extreme be equipped with internal thread hole complex external screw thread structure.

Preferably, at least two positioning columns are arranged at the upper end of the supporting plate. Through setting up two reference columns in backup pad upper end, can further improve the clamping stability of annular member, take place to rock when avoiding the upper end/rear end of annular member when placing in the backup pad and cutter contact.

Preferably, the fixing base comprises a bottom plate, the supporting plate is fixed above the bottom plate, a fastener abdicating space for abdicating the fastener is arranged between the supporting plate and the bottom plate, and a plurality of abdicating holes or abdicating grooves for abdicating the fastener are formed in the supporting plate. Through the setting, the utility model discloses the fixing base is fixed on machining center's platform.

The utility model has the advantages of the T-slot processing on the ring unit of being convenient for, and the machining precision is higher.

Drawings

FIG. 1 is a schematic diagram of one construction of an annular member;

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

FIG. 3 is a schematic structural view of the clamp of the present invention with the pressing plate removed;

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

Detailed Description

The invention will be further described with reference to the drawings and the specific embodiments.

As shown in fig. 2 to fig. 4, the present embodiment discloses a clamp for processing a ring-shaped member, which includes a fixing seat, where the fixing seat includes a bottom plate 21, a vertical plate 22, and a supporting plate 3. The bottom plate 21 is provided with two left and right parallel abdicating grooves 211 abdicating the fastener, and the bottom plate 211 is fixed on the platform of the machining center through the fastener. The supporting plate 3 is supported on the bottom plate 21 through the vertical plates 22 at two sides, and a fastener yielding space is formed between the supporting plate 3 and the bottom plate 21.

High slope setting in low back before backup pad 3 is, 3 up end of backup pad is equipped with the location boss 31 with the perpendicular setting of backup pad up end, be fixed with two fabrication hole 12 matched with reference column 30 with the loop forming element in the backup pad 3, two reference columns 30 all are located 3 upper ends of backup pad department (rear end department), 3 middle parts of backup pad are equipped with retaining member 41, retaining member 41 upper end can be dismantled and be fixed with clamp plate 42, clamp plate 42's length is greater than the external diameter of location boss 31, still can dismantle on the backup pad 3 and be fixed with a locating

piece

5, 5 front ends of locating piece are fixed with the protruding 51 of T shape that upwards extends, the protruding 51 of T shape is located 3 the place ahead of backup pad relatively, 3 rear of backup pad has the cutter space of stepping down to processing cutter. Wherein, the utility model discloses the distance between 3 leading edges of backup pad and trailing edge slightly is greater than the internal diameter of loop forming element and is less than the external diameter of loop forming element.

Wherein, location boss 31 quantity is one, and location boss 31 cross-section is circular, and locating piece 5 can be dismantled and be fixed in location boss 31 on, still is fixed with cushion 32 on the location boss 31, places in backup pad 3 when annular member 1, and annular member 1 lower extreme face and 3 up end contacts of backup pad, and cushion 32 up end and 5 up end of locating piece all are located annular member 1 up end downside. Wherein a rubber pad may be provided at the lower side of the middle portion of the pressure plate 42.

The locking member 41 is located between the cushion block 32 and the positioning block 5, and the front end face of the cushion block 32 and the rear end face of the positioning block 5 are close to the locking member 41. Retaining

member

41 and 3 threaded fixation of backup pad, 3 center departments of backup pad are equipped with the internal thread hole, and the 3 up end of internal thread hole axis perpendicular to backup pad, retaining member 41 lower extreme be equipped with internal thread hole complex external screw thread structure.

When the processing in T-slot on the annular member needs to be carried out, will earlier through the fastener the utility model discloses an anchor clamps fixing base is fixed on machining center's platform, carries out the adjustment of cutter position simultaneously to make anchor clamps and cutter position all reach the settlement position.

And then, placing the ring-shaped part with the processed fabrication hole on the inclined support plate, sleeving the ring-shaped part on the upper outer circle of the positioning boss for positioning, and enabling the positioning column to penetrate through the fabrication hole of the ring-shaped part, thereby realizing the positioning of the ring-shaped part. At this time, a portion of the ring member at the front end to be subjected to T-groove machining and a portion of the ring member at the rear end to be subjected to T-groove machining are located in front of and behind the support plate, respectively.

The inclined angle of the support plate is set through the inclined angle of the T-shaped groove, so that the T-shaped cutter of the machining center can horizontally move to machine the inclined T-shaped groove on the annular piece. After the first T-shaped groove is machined, the ring-shaped piece is taken down, the positioning block is installed, the ring-shaped piece is rotated to enable the newly machined T-shaped groove in the ring-shaped piece to be aligned with the positioning protrusion of the positioning block, the ring-shaped piece is fixed on the supporting plate, the pressing plate is screwed down to fix the ring-shaped piece, and then the second T-shaped groove is machined.

The embodiment is characterized in that the inclined support plate is arranged, so that the cutter of the machining center does not need to incline by a large angle, or the T-shaped cutter of the machining center can move horizontally to machine the T-shaped groove on the annular piece.

The utility model discloses can also set up different inclination's backup pad to make wire-electrode cutting's line tool can be under vertical state horizontal migration in order to process out the T-slot at the loop forming element front end. When the wire cutting is carried out, the T-shaped protrusions of the positioning blocks are positioned on the left side and the right side of the supporting plate, and the front side or the front side of the supporting plate is a cutter yielding space.

Claims

1. The utility model provides an anchor clamps are used in annular spare processing, its characterized in that includes the fixing base, be equipped with the backup pad that the high slope of low back set up before on the fixing base, the backup pad up end is equipped with a plurality of location bosss that set up with backup pad up end is perpendicular, be fixed with in the backup pad at least two with the fabrication hole matched with reference column of annular spare, and have at least a reference column and be located backup pad upper end department, the backup pad middle part is equipped with the retaining member, the retaining member upper end can be dismantled and be fixed with the clamp plate, the length of clamp plate is greater than the external diameter of location boss, backup pad rear side or backup pad rear have the cutter space of stepping down to processing cutter, or/and backup pad front side or backup pad the place ahead have the cutter space of stepping down to processing cutter.

2. The ring-shaped member machining jig according to claim 1, wherein a positioning block is detachably fixed to the support plate, a T-shaped protrusion extending upward is fixed to a front end of the positioning block, the T-shaped protrusion is located in front of the support plate, and the tool relief space is provided on a rear side of the support plate or behind the support plate; or the positioning block is transversely arranged, a T-shaped bulge extending upwards is arranged at the side end of the positioning block, and the cutter abdicating space is arranged at the front side of the supporting plate or the front end of the supporting plate.

3. The ring machining jig according to claim 1, wherein the number of the positioning bosses is one, and the outer edge of the cross section of each positioning boss is circular.

4. The ring-shaped member machining jig according to claim 2, wherein the positioning boss has a circular cross section, and the positioning block is detachably fixed to the positioning boss.

5. The ring-shaped member processing jig according to claim 2, wherein the support plate has a pad provided on an upper end surface thereof, and when the ring-shaped member is placed on the support plate and the lower end surface of the ring-shaped member is in contact with the upper end surface of the support plate, the pad and the positioning block are both located below the upper end surface of the ring-shaped member.

6. The ring-shaped member machining jig according to claim 5, wherein the locking member is located between the spacer and the positioning block, and the front end surface of the spacer and the rear end surface of the positioning block are close to the locking member.

7. The ring machining jig according to claim 1, wherein the locking member is screwed to the support plate, an internal threaded hole is formed in the center of the support plate, the axis of the internal threaded hole is perpendicular to the upper end surface of the support plate, and an external thread structure engaged with the internal threaded hole is formed at the lower end of the locking member.

8. The ring machining jig according to claim 1, wherein at least two positioning posts are provided at an upper end of the support plate.

9. The ring-shaped member machining jig according to claim 1, wherein the fixing base includes a bottom plate, the supporting plate is fixed above the bottom plate, a fastener abdicating space for abdicating the fastener is provided between the supporting plate and the bottom plate, and the supporting plate is provided with a plurality of abdicating holes or abdicating grooves for abdicating the fastener.