Large gear vertical lathe clamp

Abstract

The utility model belongs to the technical field of gear machining, and particularly relates to a large gear vertical lathe clamp which comprises a flange plate with an inner hole, a conical seat fixed to the top face of the flange plate through bolts, a chuck and a positioning plate arranged in the conical seat, a short pulling plate arranged in the inner hole of the flange plate in a sliding mode, a connecting sleeve arranged on the short pulling plate, and the bottom of the positioning plate arranged in the connecting sleeve in a sliding mode. The connecting sleeve is in bolted connection with the conical seat, the connecting sleeve, the conical seat and the short pulling plate are in bolted connection, an annular mounting groove is formed in the outer edge of the top of the conical seat, a vibration reduction plate is arranged in the mounting groove, a plurality of vibration reduction assemblies are arranged on the vibration reduction plate, and the short pulling plate drives the chuck to move up and down in the conical seat, so that the gear is clamped and fixed by the chuck; the edge of the gear is supported and positioned through the vibration reduction assembly, during machining, the buffering and supporting effects can be achieved, gear vibration is reduced, vibration marks are effectively prevented from being generated on the end face of the gear, and the product quality is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear machining technical field especially relates to a large -scale gear vertical -lathe clamp. BACKGROUND

[0002] In some commercial vehicle gearbox, will use the gear of larger size, the diameter of this kind of gear will exceed 30cm, this large gear machining process, first processing big tooth and small tooth heat treatment still will carry out to the gear end face and carry out turning to the inner hole, and the gear diameter is larger, adopt six -groove chuck to gear positioning currently, clamping big tooth pitch, below big end face positioning, complete once clamping workpiece time needs 10-20 seconds, and in turning big end face, inner hole and end face, big end face will produce vibration mark, lead to product unqualified.

[0003] In view of the above problem, the utility model discloses a large -scale gear vertical -lathe clamp. UTILITY MODEL CONTENTS

[0004] The utility model provides a large -scale gear vertical -lathe clamp, reduces the vibration that gear car end face and inner hole produce, effectively avoids the vibration mark of gear big end face, guarantees product quality.

[0005] The utility model provides the following technical scheme:

[0006] A large -scale gear vertical -lathe clamp, including the flange plate of inner hole, the top surface bolt of flange plate fixed has the taper seat, be equipped with the chuck and the positioning disc in the taper seat, the inner hole of flange plate is equipped with the short pull plate of sliding, be equipped with the coupling sleeve on the short pull plate, the bottom of positioning disc is slidably arranged in the coupling sleeve, the coupling sleeve is bolted with the taper seat, the coupling sleeve and short pull plate are connected through the connecting bolt, and the connecting bolt passes through the taper seat, the outer edge of the top of taper seat is equipped with the annular installation groove, be equipped with the damping plate in the installation groove, be equipped with a plurality of groups of damping components on the damping plate.

[0007] Further, the damping component includes a positioning sleeve, a plurality of groups of positioning holes are uniformly arranged on the damping plate, the positioning sleeve is clamped in the positioning hole group, a sealing bolt is arranged at the bottom end of the positioning sleeve, and a positioning pin is arranged at the top end, a compression spring is arranged between the positioning pin and the sealing bolt.

[0008] Further, six groups of positioning hole groups are uniformly arranged on the damping plate close to the outer edge, each group of positioning hole groups is composed of three uniformly distributed positioning hole units, and the distance between each positioning hole unit and the center of the damping plate is different.

[0009] Further, the damping plate is formed by splicing three arc plates with an arc of 120 degrees, and a compression ring is further arranged above the damping plate in the installation groove.

[0010] Further, the arc-shaped plate is uniformly provided with two groups of positioning holes.

[0011] Further, the short pull plate comprises a connecting plate and a connecting shaft, the connecting shaft is fixed in the middle of the lower side of the connecting plate, and the connecting plate is slidingly arranged in the flange plate.

[0012] Further, an adjusting sleeve is sleeved on the connecting shaft, double bolts are arranged in the bottom end of the adjusting sleeve, locking holes are formed in the side wall of the adjusting sleeve and correspond to the positions of the double bolts, locking bolts are arranged in the locking holes, and the locking bolts abut against the side wall of the double bolts.

[0013] Further, a first chip removal hole is formed in the side wall of the positioning disc, a second chip removal hole is arranged in the connecting sleeve and corresponds to the first chip removal hole, a third chip removal hole is formed in the taper seat and corresponds to the second chip removal hole, one end of the third chip removal hole is in communication with the second chip removal hole, and the other end is located on the side wall of the taper seat.

[0014] Further, the taper seat and the adjacent surface of the short pull plate are provided with a clearance groove matched with the short pull plate, a sliding cylinder is slidingly arranged in the taper seat and corresponds to the connecting bolt, one end of the sliding cylinder is located in the clearance groove and abuts against the short pull plate, and the other end abuts against the connecting sleeve.

[0015] Further, the inner wall of the top end of the chuck is provided with an open sleeve, the cross-sectional area of the open sleeve is in an "L" type structure, one side wall is arranged on the top end surface of the chuck, and the other side wall is arranged on the inner side wall of the chuck, and the open sleeve is composed of a plurality of arc-shaped open sleeve units which are bonded with each other.

[0016] In the utility model, the chuck is driven by the short pull plate to move up and down in the taper seat, so that the chuck fixes the gear clamped, the gear edge is supported and positioned by the damping assembly, when machining, the damping assembly can play a buffering supporting role, gear vibration is reduced, gear end surface vibration is effectively avoided, and product quality is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a sectional view structural schematic diagram of the large gear vertical lathe clamp provided by the utility model embodiment;

[0018] Figure 2 It is a structure schematic diagram of the middle arc-shaped plate of the large gear vertical lathe clamp provided by the utility model embodiment;

[0019] Figure 3 It is a structure schematic diagram of the middle open sleeve of the large gear vertical lathe clamp provided by the utility model embodiment;

[0020] Figure 4The utility model discloses a large -scale gear vertical -lathe clamp's middle adjusting sleeve's section structure schematic diagram.

[0021] Reference signs:

[0022] 1, cone seat; 101, third chip hole; 2, positioning disc; 201, first chip hole; 3, chuck; 4, short pull plate; 401, connecting plate; 402, connecting shaft; 5, damping plate; 501, arc plate; 6, damping assembly; 601, positioning sleeve; 602, sealing bolt; 603, positioning pin; 604, compression spring; 7, connecting bolt; 8, sliding cylinder; 9, coupling sleeve; 901, second chip hole; 10, adjusting sleeve; 11, double bolt; 12, locking bolt; 13, open sleeve; 1301, open sleeve unit; 14, positioning hole group; 1401, positioning hole unit; 15, flange plate; 1501, inner hole. DETAILED DESCRIPTION

[0023] The utility model discloses an embodiment is described below with the drawings in the utility model embodiment.

[0024] In the description of the utility model embodiment, it need explain, unless another explicit provision and limitation, term, " connect " " install " should do broad sense understanding, for example, " connect " can be detachably connected, also can be unremovably connected, can be direct connection, also can be indirectly connected through intermediate medium." Communicate " can be direct communication, also can be indirectly communicated through intermediate medium." Among them, " fixed " is connected to each other and the relative positional relationship of connection is invariable.The orientation language such as " in " " out " " top " " bottom " etc. in the utility model embodiment is referred to the direction of drawing, therefore, the orientation language used is for better, more clearly illustrate and understand the utility model embodiment, and is not indicated or implied that the device or element indicated must have a particular orientation, construct and operate therefore, can not be understood as the limitation of the utility model embodiment.

[0025] In the utility model embodiment, the terms " first " " second " are only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.Therefore, the features limited by " first " " second " can explicitly or implicitly include one or more features.

[0026] In the utility model embodiment, " and / or " is only a kind of description associated object associated relationship, indicates that there can be three kinds of relations, for example, A and / or B, can indicate: exist A alone, exist A and B simultaneously, exist B alone these three cases.In addition, the character " / " in this paper generally indicates that the associated object before and after is a kind of " or " relationship.

[0027] Reference to "one embodiment" or "some embodiments" or "one implementation" or "some implementations" etc. in the present description means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the application. The appearances of the phrases "in one embodiment" or "in some embodiments" or "in other embodiments" or "in still other embodiments" or the like in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily referring to some, but not all embodiments, unless otherwise indicated. The terms "including", "comprising", "having" and their variants are meant to be equivalent and are used at the very least to mean "including but not limited to".

[0028] Embodiment:

[0029] With reference to Figs. Figure 1 , Figure 2 , Figure 3 and Figure 4 , a large gear vertical machine clamp includes a flange plate 15 with an inner hole 1501, a taper seat 1 is bolted on the top surface of the flange plate 15, a chuck 3 and a positioning disc 2 are arranged in the taper seat 1, a short pull plate 4 is arranged in the inner hole 1501 of the flange plate 15 in a sliding manner, a connecting sleeve 9 is arranged on the short pull plate 4, the bottom of the positioning disc 2 is arranged in the connecting sleeve 9 in a sliding manner, the connecting sleeve 9 is bolted with the taper seat 1, the connecting sleeve 9 and the short pull plate 4 are connected through connecting bolts 7, the connecting bolts 7 penetrate the taper seat 1, an annular mounting groove is arranged on the outer edge of the top of the taper seat 1, a damping plate 5 is arranged in the mounting groove, and a plurality of damping assemblies 6 are arranged on the damping plate 5.

[0030] The output component of the external power mechanism is connected with the short pull plate 4, so that the power mechanism can drive the short pull plate 4 to move up and down in the inner hole 1501 of the flange plate 15, the short pull plate 4 is connected with the taper seat 1, and simultaneously drives the positioning disc 2 to move, the movement of the positioning disc 2 drives the chuck 3 to move, the movement of the chuck 3 makes the chuck 3 open or close, and further makes the chuck 3 clamp the pinion of the gear, so as to fix the gear to be processed, the lower end surface of the gear abuts against the damping assembly 6, and the impact received by the gear during processing is buffered and damped through the damping assembly 6, so as to avoid the vibration of the gear to form vibration lines on the end surface of the gear, and ensure the quality of the product.

[0031] The damping assembly 6 includes a positioning sleeve 601, a plurality of positioning hole groups 14 are uniformly arranged on the damping plate 5, the positioning sleeve 601 is clamped in the positioning hole group 14, a sealing bolt 602 is arranged at the bottom end of the positioning sleeve 601, a positioning pin 603 is arranged at the top end of the positioning sleeve 601, and a compression spring 604 is arranged between the positioning pin 603 and the sealing bolt 602.

[0032] The bottom end of the positioning sleeve 601 is provided with a sealing bolt, and the other end is provided with a positioning pin 603 abutting against the lower end surface of the gear. When the upper end surface of the gear is turned, the positioning pin 603 always abuts against the lower end surface of the gear. If there is a relatively thick place on the upper end surface, when the turning tool passes through the position, the positioning pin 603 will be retracted, avoiding that the turning tool and the gear are turned to a large extent, reducing the collision degree of the turning tool and the gear, and at the same time, the compression force borne by the gear is transmitted to the compression spring 604 through the positioning pin 603, and the vibration generated by the gear is offset through the compression spring 604, thereby avoiding the vibration of the gear, effectively preventing the vibration of the gear from generating vibration marks, and ensuring the quality of the product.

[0033] In addition, the position of the sealing bolt 602 can be adjusted to adjust the elastic force of the compression spring 604, so as to adapt to gears of different weights.

[0034] The vibration reduction plate 5 is uniformly provided with 6 groups of positioning hole groups 14 near the outer edge. Each positioning hole group 14 is composed of 3 uniformly distributed positioning hole units 1401, and the distance between each positioning hole unit 1401 and the center of the vibration reduction plate 5 is different.

[0035] The included angle between adjacent positioning hole groups 14 is 30° with respect to the center of the annular vibration reduction plate 5, and each positioning hole group 14 includes 3 uniformly distributed positioning hole units 1401. The included angle between adjacent positioning blocks is 15°, and the angle of each positioning hole group 14 is 30°.

[0036] The positioning hole groups are uniformly distributed to ensure uniform support for the gear and ensure the stability of the gear. At the same time, during processing, the gear can be uniformly buffered and damped. The positioning hole units 1401 are on different radius circles to prevent resonance between adjacent positioning pins 603 during processing, affecting the positioning and damping effect of the gear, and avoiding damage to the gear and the vibration reduction plate 5.

[0037] The vibration reduction plate 5 is formed by splicing 3 arc-shaped plates 501 with an arc angle of 120°. A pressing ring is further arranged above the vibration reduction plate in the mounting groove.

[0038] The star-shaped vibration reduction plate 5 is spliced by 3 arc-shaped plates 501, which is convenient for unified processing and later maintenance. In addition, since the size of the vibration reduction plate 5 is relatively large, it is divided into 3 arc-shaped plates 501 to facilitate the installation of the vibration reduction plate 5.

[0039] The arc-shaped plate 501 is positioned by the pressing ring to prevent the edge of the arc-shaped plate 501 from receiving pressure, which will cause unstable positioning of the arc-shaped plate 501 and affect the damping effect of the gear by the damping assembly 6.

[0040] The arc-shaped plate 501 is uniformly provided with 2 groups of positioning hole groups 14.

[0041] 3 arc-shaped plates 501 are spliced to form the damping plate 5, and 6 sets of positioning hole groups 14 are just formed, so that the structure of each damping plate 5 is the same, and the enterprise only needs to open a mold to process the required 3 arc-shaped plates 501, thereby reducing the processing cost and facilitating maintenance. If there is damage, it is convenient to replace.

[0042] The short pull plate 4 comprises a connecting plate 401 and a connecting shaft 402, the connecting shaft 402 is fixed in the middle of the lower side of the connecting plate 401, and the connecting plate 401 is slidingly arranged in the flange plate 15.

[0043] The connecting plate 401 slides up and down in the flange plate 15, and the connecting plate 401 is conveniently connected with the connecting sleeve 9 through bolts, and the connecting shaft 402 is used to connect with an external power mechanism.

[0044] The adjusting sleeve 10 is sleeved on the connecting shaft 402, the double bolts 11 are arranged in the bottom end of the adjusting sleeve 10, the locking holes are opened in the side wall of the adjusting sleeve 10 corresponding to the positions of the double bolts 11, the locking bolts 12 are arranged in the locking holes, and the locking bolts 12 abut against the side walls of the double bolts 11.

[0045] Through the cooperation of the adjusting sleeve 10 and the double bolts 11, on the one hand, the length can be adjusted, and on the other hand, the connection requirements of multiple types of equipment can be met.

[0046] The double bolts 11 are locked and fixed in the adjusting sleeve 10 through the locking bolts 12, so as to prevent the double bolts 11 from loosening. If the double bolts 11 are loose with the adjusting sleeve 10, the length of the adjusting sleeve 10 and the double bolts 11 will change, the positioning accuracy of the clamp will be affected, the positioning accuracy of the gear will be affected, and then the machining accuracy of the gear will be affected.

[0047] The first chip removal hole 201 is opened in the side wall of the positioning disc 2, the second chip removal hole 901 is arranged in the connecting sleeve 9 corresponding to the first chip removal hole 201, and the third chip removal hole 101 is opened in the taper seat 1 corresponding to the second chip removal hole 901. One end of the third chip removal hole 101 is communicated with the second chip removal hole 901, and the other end is located in the side wall of the taper seat 1.

[0048] After the gear inner hole 1501 is turned, the turned iron chips will fall into the middle of the positioning disc 2, the first chip removal hole 201 is opened in the side wall of the positioning disc 2, the second chip removal hole 901 is opened in the connecting sleeve 9, and the third chip removal hole 101 is opened in the taper seat 1. The turned iron chips are discharged from the clamp along the first chip removal hole 201, the second chip removal hole 901 and the third chip removal hole 101, and do not form accumulation in the positioning disc 2, thereby affecting the turning process.

[0049] The adjacent surface of the taper seat 1 and the short pull plate 4 is provided with a matching accommodation groove matched with the short pull plate 4, and the sliding cylinder 8 is slidingly arranged in the position corresponding to the connecting bolt 7 of the taper seat 1. One end of the sliding cylinder 8 is located in the accommodation groove and abuts against the short pull plate 4, and the other end abuts against the connecting sleeve 9.

[0050] Through the sliding cylinder 8 makes the short pull plate 4 in the moving process, drive linkage sleeve moves, without moving the taper seat 1, while pushing the sliding cylinder 8 moves in the taper seat 1, linkage sleeve moves drive positioning disc 2 moves, in turn drive chuck 3 moves, so that the chuck 3 opens, that is, the pinion gear is placed in the chuck 3, and when the short pull plate 4 abuts on the let go groove bottom surface, the short pull plate 4 stops moving, then pull down the short pull plate 4, so that the chuck 3 closes, in turn clamps the gear, completes the gear fixing.

[0051] The inner wall of the chuck 3 top end is provided with an open sleeve 13, the cross section area of the open sleeve 13 is "L" type structure, one side wall is arranged on the chuck 3 top end face, and the other side wall is arranged on the chuck 3 inner side wall, the open sleeve 13 is composed of a plurality of arc open sleeve units 1301.

[0052] The pinion gear is protected by the open sleeve 13, which prevents the chuck 3 from clamping the gear and damaging the structure of the pinion gear, affecting the quality of the product.

[0053] The open sleeve unit 1301 is bonded to form an open sleeve 13, which facilitates the installation of the open sleeve 13, and when the chuck 3 is opened, the diameter of the open sleeve 13 increases, and the bonding can meet the slight opening of the open sleeve 13 without affecting the normal use of the open sleeve 13.

[0054] In use, the length of the adjusting cylinder and the double bolt 11 is adjusted according to the model of the external device, and the locking bolt 12 is locked and fixed to the double bolt 11, the double bolt 11 is connected to the power mechanism of the external device, the short pull plate 4 is pushed by the power mechanism, the short pull plate 4 is forced to move upward, which pushes the sliding cylinder 8 to move upward, and also pushes the coupling sleeve 9 to move upward, thereby driving the positioning disc 2 to move upward, in turn making the chuck 3 move upward, the chuck 3 expands outward, and when the short pull plate 4 abuts on the let go groove bottom surface, the short pull plate 4 stops moving, the pinion gear of the gear to be processed is placed in the chuck 3, and the lower end surface of the gear abuts on the positioning pin 603 of the damping assembly 6, then the short pull plate 4 is pulled down, in turn making the chuck 3 move downward, the chuck 3 contracts inward, clamping the pinion gear to be processed, when the gear upper end surface is turned, if the turning tool encounters a position with hard or thick gear surface, the gear will vibrate, at this time, the compression spring 604 offsets the vibration of the gear, thereby avoiding the vibration marks on the gear surface, ensuring the quality of the product.

[0055] In actual use, all bolt connections in the clamp are made of countersunk head bolts to prevent interference problems.

[0056] The damping plate 5 currently used by enterprises has a diameter of 368 mm, and positioning hole units 1401 are respectively distributed at positions with diameters of 328 mm, 335 mm and 343 mm, thereby reducing resonance probability.

[0057] The outer edge of the arc-shaped plate 501 which is spliced to form the damping plate 5 is chamfered at a top corner, so as to avoid affecting the safety of workers.

[0058] The above is only a specific implementation manner of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, and all should be covered within the protection scope of the present application. In the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A large gear vertical turning fixture, characterized in that, The application relates to a flange disc with an inner hole, a conical seat is bolted on the top surface of the flange disc, a chuck and a positioning disc are arranged in the conical seat, a short pull plate is slidably arranged in the inner hole of the flange disc, a connecting sleeve is arranged on the short pull plate, the bottom of the positioning disc is slidably arranged in the connecting sleeve, the connecting sleeve is bolted with the conical seat, the connecting sleeve and the short pull plate are connected through connecting bolts, the connecting bolts penetrate through the conical seat, an annular mounting groove is arranged on the top outer edge of the conical seat, a damping plate is arranged in the mounting groove, and a plurality of damping assemblies are arranged on the damping plate.

2. A large gear vertical turning fixture according to claim 1, wherein The damping assembly comprises a positioning sleeve, a plurality of positioning hole groups are uniformly arranged on the damping plate, the positioning sleeve is clamped in the positioning hole groups, a sealing bolt is arranged at the bottom end of the positioning sleeve, and a positioning pin is arranged at the top end of the positioning sleeve, and a compression spring is arranged between the positioning pin and the sealing bolt.

3. A large gear vertical turning fixture according to claim 2, wherein Six positioning hole groups are uniformly arranged on the damping plate close to the outer edge, each positioning hole group is composed of three uniformly distributed positioning hole units, and the distances between each positioning hole unit and the center of the damping plate are different.

4. A large gear vertical turning fixture according to claim 3, wherein The damping plate is formed by splicing three arc-shaped plates with an arc angle of 120 DEG, and a pressing ring is further arranged above the damping plate in the mounting groove.

5. A large gear vertical turning fixture according to claim 4, wherein Two positioning hole groups are uniformly arranged on the arc-shaped plate.

6. A large gear vertical turning fixture according to claim 1, wherein The short pull plate comprises a connecting plate and a connecting shaft, the connecting shaft is fixed at the middle of the lower side of the connecting plate, and the connecting plate is slidably arranged in the flange disc.

7. A large gear vertical turning fixture according to claim 6, wherein An adjusting sleeve is arranged on the connecting shaft, double bolts are arranged in the bottom end of the adjusting sleeve, locking holes are formed in the side wall of the adjusting sleeve corresponding to the positions of the double bolts, locking bolts are arranged in the locking holes, and the locking bolts abut against the side wall of the double bolts.

8. A large gear vertical turning fixture according to claim 1, wherein First chip removal holes are formed in the side wall of the positioning disc, second chip removal holes are arranged in the connecting sleeve corresponding to the positions of the first chip removal holes, third chip removal holes are formed in the conical seat corresponding to the positions of the second chip removal holes, one end of the third chip removal holes is communicated with the second chip removal holes, and the other end is located on the side wall of the conical seat.

9. A large gear vertical turning fixture according to claim 1, wherein A position-giving groove matched with the short pull plate is arranged on the adjacent surface of the conical seat and the short pull plate, a sliding cylinder is slidably arranged on the position corresponding to the connecting bolt of the conical seat, one end of the sliding cylinder is located in the position-giving groove and abuts against the short pull plate, and the other end abuts against the connecting sleeve.

10. A large gear vertical turning fixture according to claim 1, wherein An open sleeve is arranged on the inner wall of the top end of the chuck, the cross section of the open sleeve is in an L-shaped structure, one side wall of the open sleeve is arranged on the top end surface of the chuck, and the other side wall is arranged on the inner side wall of the chuck, and the open sleeve is composed of a plurality of arc-shaped open sleeve units which are bonded with each other.

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