CN218746312U - Machining clamp with oil grooves on inner ring outer conical surface - Google Patents

Abstract

The utility model relates to a processing clamp with an oil groove on the outer conical surface of an inner ring, which comprises a clamping sleeve component, wherein the clamping sleeve component comprises an outer sleeve, an inner core is connected on the outer sleeve, a workpiece is in contact connection on the inner core, and one side of the workpiece, which is far away from the inner core, is in contact connection with a top disc; and the tray bottom assembly is clamped with the clamping sleeve assembly. The beneficial effects of the utility model reside in that: 1. the concave part of the inner core is provided with a cone, so that the workpiece is convenient to load; 2. the rotation stopping ribs are arranged to be conical, so that the workpiece can be fixed more accurately; 3. under the action of the top disc and the inner core, the workpiece can not slide relatively in high-speed rotation, the workpiece can not be damaged, and the processing precision is improved; 4. the arc-shaped opening and the pressing plate seat are arranged, so that the top plate can be sleeved and installed conveniently; 5. reasonable structure and low maintenance cost.

Description

Machining clamp with oil grooves on inner ring outer conical surface

Technical Field

The utility model relates to a gearbox synchronizer ring technical field, in particular to processing anchor clamps of outer conical surface area oil groove of inner ring.

Background

The clamp is manufactured for processing a workpiece in a certain process, is used in relatively stable and large-batch production of products, can effectively reduce the labor intensity during working, improve the labor productivity and obtain high processing precision in the production process, and plays an extremely important role in the processing process.

The clamp in the turning process of synchronizer ring products mainly comprises a three-jaw clamp and a conical clamp. The three-jaw clamp mainly comprises parts such as an outer shell and three jaws, and has the advantages that a part of workpieces can be automatically centered without spending too much time for alignment. The three-jaw clamp is convenient and quick to clamp a workpiece, so that the three-jaw clamp is very widely applied in the machining process; the conical fixture is composed of a fixing body and a pressing device, is fixed in a mode of pressing the conical surface and the top plate, is large in fixing area, and is small in damage to a workpiece and more stable.

The three-jaw clamp only adopts three clamping jaws to fix the workpiece, so that the stress area of the workpiece is small, the stress of the workpiece is changed in the machining process, the workpiece can deform in different degrees, or the workpiece slides in the machining process, and the machining precision is seriously influenced.

Because the conical surface type clamp completely depends on the outer conical surface of a workpiece to be positioned when in use, and is axially compressed through the top disc, and because the outer conical surface is retained with graphite lubricating substances in the gear ring forging and pressing process, the conical surface of the workpiece and the conical surface of the clamp are very easy to relatively slide when the workpiece rotates at high speed only by the fixing mode of conical surface positioning and top disc compression, and the machining precision can be seriously influenced.

Therefore, it is highly desirable to provide a jig which does not deform a workpiece during clamping and does not slide the workpiece relative to the workpiece during rotation.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an inner ring outer cone takes add clamping apparatus of oil groove can solve and press from both sides tightly among the correlation technique and can make the work piece receive the damage, adds the problem that can produce relative slip man-hour.

On one hand, the embodiment of the utility model provides a machining fixture of inner ring outer conical surface area oil groove, including clamping cover subassembly, clamping cover subassembly includes the overcoat, be connected with the inner core on the overcoat, the contact connection has the work piece on the inner core, the work piece is kept away from one side contact connection of the inner core has a top dish;

and the tray bottom assembly is clamped with the clamping sleeve assembly.

In some embodiments, the longitudinal section of the middle part of the outer sleeve is in a concave shape, the longitudinal section of the bottom of the inner core is in a pi shape, and the pi-shaped inner core is slidably connected with the concave-shaped outer sleeve.

In some embodiments, a spring is further arranged between the pi-shaped inner core and the concave-shaped outer sleeve, and the inner core is elastically connected with the outer sleeve through the spring.

In some embodiments, the cross section of the outer sleeve is circular, at least three cutting sleeves are arranged on the outer ring of the circular outer sleeve, at least three cushion blocks are further arranged on the outer sleeve, the longitudinal section of each cushion block is in an inverted L shape, and the cushion blocks and the cutting sleeves are symmetrically arranged.

In some embodiments, the longitudinal section of the upper part of the inner core is in a concave shape, the concave part is in a conical shape, and the workpiece is arranged in the concave part of the inner core.

In some embodiments, the recess of the inner core is provided with a rotation stopping rib, and the rotation stopping rib is in contact connection with the workpiece.

In some embodiments, the tray bottom assembly comprises a tray bottom, the cross section of the tray bottom is circular, the outer sleeve is arranged in the middle of the tray bottom, the tray bottom is further provided with at least three pressing plates, the pressing plates are in contact connection with the top tray, and the clamping sleeve assembly is fixed through the tray bottom and the pressing plates.

In some embodiments, the longitudinal section of the middle part of the tray bottom is in a concave shape, and the outer sleeve is embedded in a concave shape of the tray bottom.

In some embodiments, a pressure plate seat is arranged at a concave part of the middle part of the plate bottom, which is close to the plate bottom, and an arc-shaped opening is arranged on the outer sleeve and is in sliding connection with the pressure plate seat.

In some embodiments, a trapezoidal rib is arranged on one side of the pressing plate seat away from the arc-shaped opening and used for reinforcing the pressing plate seat.

The utility model provides a beneficial effect that technical scheme brought includes:

1. the concave part of the inner core is provided with a cone, so that the workpiece can be conveniently loaded;

2. the rotation stopping ribs are conical, so that the workpiece can be fixed more accurately;

3. under the action of the top disc and the inner core, the workpiece can not slide relatively in high-speed rotation, the workpiece can not be damaged, and the processing precision is improved;

4. the arc-shaped opening and the pressing plate seat are arranged, so that the top disc can be sleeved and installed conveniently;

5. reasonable structure and low maintenance cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without creative efforts.

Fig. 1 is a top view of a machining fixture with an oil groove on an inner ring outer conical surface of the present invention;

FIG. 2 isbase:Sub>A sectional view of the A-A side of the inner ring with oil grooves on the outer conical surface;

FIG. 3 is a schematic structural view of a clamping sleeve assembly of the present invention, in which the inner ring and the outer conical surface have oil grooves;

fig. 4 is a schematic structural view of the tray bottom assembly of the present invention, in which the inner ring and the outer cone have oil grooves.

In the figure: 1. clamping a sleeve component; 11. a jacket; 12. an inner core; 13. a workpiece; 14. a top tray; 15. a spring; 16. a ferrule; 17. cushion blocks; 18. a rotation stopping rib; 19. an arc-shaped opening; 2. a tray bottom assembly; 21. a plate bottom; 22. pressing a plate; 23. a platen base; 24. trapezoidal muscle.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, 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, and obviously, the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 4, an embodiment of the present invention provides a machining fixture with an oil groove on an outer conical surface of an inner ring, including a clamping sleeve assembly 1, where the clamping sleeve assembly 1 includes an outer sleeve 11, the outer sleeve 11 is connected with an inner core 12, the inner core 12 is connected with a workpiece 13 in a contact manner, and one side of the workpiece 13, which is far away from the inner core 12, is connected with a top plate 14 in a contact manner;

and the tray bottom assembly 2 is clamped with the clamping sleeve assembly 1.

In this embodiment, the workpiece 13 is an inner ring outer conical surface oil groove member, i.e., a member to be machined, such as a ring gear forging.

Referring to fig. 2, optionally, the middle part of the outer jacket 11 is longitudinally cut into a concave shape, the bottom of the inner core 12 is longitudinally cut into a pi shape, and the pi-shaped inner core 12 is slidably connected with the concave-shaped outer jacket 11.

In this embodiment, for better understanding, the cutting plane is used for description, and two vertical ends of the inner core 12 with the longitudinal cut in the pi shape are slidably disposed in the outer sleeve 11 with the longitudinal cut in the concave shape, as shown in fig. 3, the vertical description actually means that a circular groove is disposed in the middle of the outer sleeve 11, a hollow cylinder is disposed at the bottom of the inner core 12, and the cylinder on the inner core 12 reciprocates up and down in the circular groove of the outer sleeve 11.

Optionally, a spring 15 is further disposed between the pi-shaped inner core 12 and the concave-shaped outer sleeve 11, and the inner core 12 is elastically connected to the outer sleeve 11 through the spring 15.

In this embodiment, a hollow cylinder at the bottom of the inner core 12 and a circular groove of the outer sleeve 11 are provided with a spring 15, the inner core 12 and the outer sleeve 11 are elastically connected through the spring 15, when the inner core 12 is subjected to a downward force, the spring 15 is stressed to contract to store elastic potential energy, after the stress on the inner core 12 is removed, the spring 15 releases the elastic potential energy, and the inner core 12 moves towards one end far away from the outer sleeve 11 under the action of the spring 15, so as to unload the force from the inner core 12.

Meanwhile, in the prior art, a spring is arranged inside the three-jaw clamp, but no relevant arrangement is arranged in the positioning core sleeve, so that the workpiece is not only inconvenient to install, but also cannot move longitudinally due to the fact that the whole part can be heated and extruded in the machining process after machining is finished, and the workpiece is difficult to take down. And this application can make the work piece in the installation through the inner core 12 of pi style of calligraphy and the overcoat 11 and the spring 15 of concave font mutually supporting, and clamping cover subassembly 1 can move down to carry out the energy storage by spring 15, after processing is accomplished, open clamp plate 22, spring 15 releases elastic potential energy, pops out certain distance clamping cover subassembly 1, more makes things convenient for the installation and the taking off of work piece 13.

Optionally, the cross section of the outer sleeve 11 is circular, at least three cutting sleeves 16 are arranged on the outer ring of the outer sleeve 11, at least three cushion blocks 17 are further arranged on the outer sleeve 11, the longitudinal section of each cushion block 17 is in an inverted L shape, and the cushion blocks 17 and the cutting sleeves 16 are symmetrically arranged.

In this embodiment, the inner core 12 is in contact connection with the sleeve 16, the sleeve 16 enables the inner core 12 to be transversely clamped in the outer sleeve 11, meanwhile, a bayonet is arranged on the side surface of the inner core 12, the longitudinal section of the cushion block 17 is in an inverted L shape, and the cushion block 17 in the inverted L shape clamps the inner core 12 through the bayonet, so that the inner core 12 is clamped in the longitudinal direction.

Moreover, the bayonet on the side of the inner core 12 is larger than the protruding end of the inverted L-shaped cushion block 17, so that when the inner core 12 and the outer sleeve 11 displace in the up-down direction, a certain buffer space is provided, and the cushion block 17 is used for limiting the inner core 12.

Optionally, the longitudinal section of the upper portion of the inner core 12 is in a concave shape, the concave portion is in a conical shape, and the workpiece 13 is arranged at the concave portion of the inner core 12.

Optionally, the recessed portion of the inner core 12 is provided with a rotation stopping rib 18, and the rotation stopping rib 18 is in contact connection with the workpiece 13.

In this embodiment, the number of the rotation stopping ribs 18 is set by referring to the actual requirements of the workpiece 13, when the workpiece 13 is likely to slide in the machining process, the number of the rotation stopping ribs 18 is appropriately increased, and when the workpiece 13 is not likely to slide in the machining process, the number of the rotation stopping ribs 18 is appropriately decreased, so that the best effect is achieved.

Meanwhile, when the workpiece 13 is placed in the concave of the inner core 12, the concave is tapered, that is, the concave opening is large at the top and small at the bottom. The port with the large opening can be used for guiding the putting-in of the workpiece 13, and the port with the small opening can be used for preliminarily positioning the workpiece 13 after the putting-in is completed.

In one embodiment of the scheme, the tapered unilateral clearance of the rotation stopping rib 18 is 0.1-0.4mm, the width of the rotation stopping rib 18 and the width of an oil groove of a workpiece are generally 0.2-0.4mm, when manual feeding is carried out, the clearance is made small, when mechanical arm feeding is carried out, the clearance is made large, and a space avoiding position is arranged between the inner core 12 and the workpiece 13, so that the workpiece 13 is prevented from being damaged.

Optionally, the tray bottom assembly 2 includes a tray bottom 21, a cross section of the tray bottom 21 is circular, the outer sleeve 11 is disposed in a middle portion of the tray bottom 21, the tray bottom 21 is further provided with at least three pressing plates 22, the pressing plates 22 are in contact connection with the top tray 14, and the clamping sleeve assembly 1 is fixed through the tray bottom 21 and the pressing plates 22.

In this embodiment, for convenience of understanding, a tangent plane is used for description, which is shown in fig. 2 to 4, and the vertical plane actually describes that the tray bottom 21 is a cylinder, the outer sleeve 11 is disposed in the middle of one end of the tray bottom 21, at least three pressing plates 22 are disposed on the tray bottom 21, the pressing plates 22 are in contact connection with the top tray 14, and the clamping sleeve assembly 1 is fixed by the tray bottom 21 and the pressing plates 22.

Optionally, the longitudinal section of the middle part of the tray bottom 21 is in a concave shape, and the outer sleeve 11 is embedded in the concave recess of the tray bottom 21.

In the embodiment, for convenience of understanding, the section is used for description, and the vertical plane with reference to fig. 3 to 4 actually describes that a circular groove is formed in the middle of the plate bottom 21, and the outer sleeve 11 is arranged in the circular groove.

Optionally, a pressure plate seat 23 is arranged at a recessed position in the middle of the tray bottom 21, which is close to the tray bottom 21, an arc-shaped opening 19 is arranged on the outer sleeve 11, and the arc-shaped opening 19 is slidably connected with the pressure plate seat 23.

In this embodiment, be equipped with arc mouth 19 through the outside of overcoat 11, can make overcoat 11 when the installation, the position is more accurate, and simultaneously, arc mouth 19 agrees with clamp plate seat 23, and then carries on spacingly to overcoat 11.

Optionally, a trapezoidal rib 24 is disposed on one side of the platen base 23 away from the arc-shaped opening 19, and is used for reinforcing the platen base 23.

The utility model discloses an operation mode as follows:

1. rotating the platen 22 to the side away from the top plate 14;

2. aligning the arc-shaped opening 19 of the outer sleeve 11 with the pressing plate seat 23 at the concave position of the plate bottom 21 and installing;

3. loading the workpiece 13 into the core 12;

4. the workpiece 13 is in contact with the anti-rotation ribs 18;

5. mounting the top plate 14 on the workpiece 13;

6. the top plate 14 is pressed;

7. at this time, the inner core 12 is forced to move downwards along the concave part in the middle of the outer sleeve 11;

8. the spring 15 is pressed by force;

9. rotating the pressing plate 22 to the top plate 14 side to press the pressing plate 22 against the top plate 14;

10. after the process is completed, the platen 22 is turned to the side away from the top plate 14;

11. the spring 15 releases elastic potential energy to eject the inner core 12 for a certain distance;

12. the workpiece 13 is removed.

The beneficial effects of the utility model reside in that:

1. the concave part of the inner core is provided with a cone, so that the workpiece is convenient to load;

2. the rotation stopping ribs are arranged to be conical, so that the workpiece can be fixed more accurately;

3. under the action of the top disc and the inner core, the workpiece can not slide relatively in high-speed rotation, the workpiece can not be damaged, and the processing precision is improved;

4. the arc-shaped opening and the pressing plate seat are arranged, so that the top plate can be sleeved and installed conveniently;

5. reasonable structure and low maintenance cost.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are intended to be inclusive and mean, for example, that there may be a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The machining clamp with the oil groove on the outer conical surface of the inner ring is characterized by comprising a clamping sleeve assembly (1), wherein the clamping sleeve assembly (1) comprises an outer sleeve (11), an inner core (12) is connected onto the outer sleeve (11), a workpiece (13) is connected onto the inner core (12) in a contact manner, and a top disc (14) is connected onto one side, far away from the inner core (12), of the workpiece (13) in a contact manner;

and the tray bottom assembly (2) is clamped with the clamping sleeve assembly (1).

2. The machining fixture with the oil grooves on the outer conical surface of the inner ring as claimed in claim 1, wherein the longitudinal section of the middle part of the outer sleeve (11) is concave, the longitudinal section of the bottom of the inner core (12) is pi-shaped, and the pi-shaped inner core (12) is slidably connected with the concave outer sleeve (11).

3. The machining fixture with the oil grooves on the inner ring and the outer conical surface as claimed in claim 2, characterized in that a spring (15) is further arranged between the n-shaped inner core (12) and the concave-shaped outer sleeve (11), and the inner core (12) is elastically connected with the outer sleeve (11) through the spring (15).

4. The machining fixture for machining the oil groove on the outer conical surface of the inner ring according to claim 1, characterized in that the cross section of the outer sleeve (11) is circular, at least three clamping sleeves (16) are arranged on the outer ring of the circular outer sleeve (11), at least three cushion blocks (17) are further arranged on the outer sleeve (11), the longitudinal section of each cushion block (17) is in an inverted L shape, and the cushion blocks (17) and the clamping sleeves (16) are symmetrically arranged.

5. The machining fixture with the oil groove on the outer conical surface of the inner ring as claimed in claim 1, wherein the longitudinal section of the upper part of the inner core (12) is in a concave shape, the concave part is in a conical shape, and the workpiece (13) is arranged on the concave part of the inner core (12).

6. The oil groove machining fixture for the inner ring and the outer conical surface is characterized in that the inner core (12) is provided with rotation stopping ribs (18) at the concave positions, and the rotation stopping ribs (18) are in contact connection with the workpiece (13).

7. The machining fixture for the oil groove on the outer conical surface of the inner ring is characterized in that the tray bottom assembly (2) comprises a tray bottom (21), the cross section of the tray bottom (21) is circular, the outer sleeve (11) is arranged in the middle of the tray bottom (21), the tray bottom (21) is further provided with at least three pressing plates (22), the pressing plates (22) are in contact connection with the top tray (14), and the clamping sleeve assembly (1) is fixed through the tray bottom (21) and the pressing plates (22).

8. The machining fixture for machining the oil groove on the outer conical surface of the inner ring as claimed in claim 7, wherein the longitudinal section of the middle part of the plate bottom (21) is concave-shaped, and the outer sleeve (11) is embedded in a concave-shaped recess of the plate bottom (21).

9. The machining fixture with the oil groove on the outer conical surface of the inner ring as claimed in claim 8, wherein a pressure plate seat (23) is arranged at a concave position, close to the disc bottom (21), in the middle of the disc bottom (21), an arc-shaped opening (19) is formed in the outer sleeve (11), and the arc-shaped opening (19) is connected with the pressure plate seat (23) in a sliding mode.

10. The machining fixture for the oil groove on the outer conical surface of the inner ring is characterized in that a trapezoidal rib (24) is arranged on one side, away from the arc-shaped opening (19), of the pressing plate seat (23) and used for reinforcing the pressing plate seat (23).

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