CN217412645U - Transverse cutting device for clamp spring groove of transmission shaft - Google Patents

Abstract

The utility model relates to a machinery processing technology field's a transmission shaft jump ring groove transverse cutting device, including fixed cover, slider, fixed cover inner chamber install rather than coaxial mounting, and mounting one end is equipped with the connecting piece that can make mounting and processing equipment's main shaft outer end coaxial coupling, and the mounting other end is equipped with along the radial opening that sets up of mounting, and the opening is located this end middle part of mounting, and in this opening was stretched into to the slider inner, and along opening length direction and mounting sliding connection. The utility model has the advantages that the transmission effect is better through the transmission between the gear and the rack, and the technical problems that the clamp realized by relative sliding fit in the prior art is unsmooth and the spring is fatigued after long-time use are solved; through the setting of balancing piece, can solve among the prior art along with insert piece along the radial removal of dabber, the technical problem that the skew takes place for the center of whole cutter from the central axis of dabber.

Description

Transverse cutting device for clamp spring groove of transmission shaft

Technical Field

The utility model relates to the technical field of machining, especially, relate to a transmission shaft jump ring groove crosscut device.

Background

In the conventional machining of a clamp spring groove, turning is adopted, and a workpiece to be machined is clamped by a chuck and then turned by using a formed turning tool. By using the processing method, the clamping is more convenient for small workpieces, but the clamping is very difficult for carrying and processing workpieces with larger volume or longer length, the time and the labor are wasted, and the production efficiency is very low.

At present, chinese patent with publication number CN101767215B discloses a special tool for machining a clamp spring groove, which comprises an outer fixing sleeve and an inner fixing sleeve, wherein a bearing, a clamp spring and a sealing ring are sequentially arranged between the outer fixing sleeve and the inner fixing sleeve from top to bottom, a nut for fixing the bearing is arranged above the bearing, an adjusting sleeve is in threaded connection with the outer fixing sleeve below the sealing ring, and a positioning jackscrew is arranged on the outer fixing sleeve at a position corresponding to the adjusting sleeve; the inner fixed sleeve is internally sleeved with a mandrel capable of moving up and down, a reset spring is arranged between the lower part of the mandrel and the inner fixed sleeve, a movable knife embedding block is arranged in a chute at the lower end of the inner fixed sleeve, a knife head is fixed at the outer end of the knife embedding block, the position of the knife head is abutted against the lower end of the adjusting sleeve, a chute inclined towards the knife head side is arranged at the lower end of the mandrel, and the mandrel penetrates through the knife embedding block and is in pin joint with the knife embedding block through a positioning pin penetrating through the chute. However, this device has the following drawbacks: 1. the device realizes the movement influenced by the insert block through the movement of the mandrel, the positioning pin slides in the chute, the positioning pin slides relative to the insert block, the insert block slides relative to the chute, and the action of the reset spring, so that the fatigue is generated by the sliding fit of a plurality of positions and the long-time use of the reset spring, the unsmooth movement of the insert block is easily caused, and the processing is influenced; 2. in the using process, along with the radial movement of the insert block along the mandrel, the center of the whole cutter deviates from the central axis of the mandrel, so that the cutter cannot rotate at a high speed, otherwise, the outer end of the cutter vibrates to influence machining, and along with the larger deviation of the insert block and the larger diameter of the clamp spring groove, the larger vibration amplitude of the outer end of the cutter is, but the cutter rotating at a low speed cannot meet the high-precision machining requirement; 3. the insert blocks of the structure have certain intervals from the outer end of the cutter, so the position of the processed clamp spring groove is limited to a certain extent.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a transmission shaft jump ring groove crosscut device for solving above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a transverse cutting device for a clamp spring groove of a transmission shaft comprises a fixed sleeve and a sliding block, wherein a fixing piece coaxial with the fixed sleeve is installed in an inner cavity of the fixed sleeve, a connecting piece capable of enabling the fixing piece to be coaxially connected with the outer end of a main shaft of processing equipment is arranged at one end of the fixing piece, an opening arranged along the radial direction of the fixing piece is formed in the other end of the fixing piece, the opening is located in the middle of the end of the fixing piece, the inner end of the sliding block extends into the opening and is in sliding connection with the fixing piece along the length direction of the opening, a tool apron is arranged on the outer end face of the sliding block, a tool bar coaxial with the tool apron is detachably connected to the outer end of the tool apron, and a blade used for processing the clamp spring groove is detachably connected to the outer end of the tool bar;

still including being used for driving the actuating mechanism that the slider removed, actuating mechanism includes pull rod, gear, the one end that the mounting deviates from the slider is equipped with the central through hole with the opening intercommunication, has the pull rod along its axial sliding fit in this central through hole, and the pull rod is inner to extend to in the opening to with the slider contactless, the pole body that the pull rod is located this opening is equipped with first tooth portion along the pull rod axial, the opening internal rotation is connected with the gear with first tooth portion meshing, and the wheel disc of gear and the plane coplane that this opening belonged to, the terminal surface is equipped with the second tooth portion with gear meshing in the slider.

Preferably, a supporting wheel is rotatably connected in the opening, and the outer edge surface of the supporting wheel is in interference fit with a rod body on one side of the pull rod, which is away from the first tooth part.

Preferably, a wear-resistant sleeve coaxial with the central through hole is arranged in the central through hole, and the wear-resistant sleeve is in sliding fit with the rod body of the pull rod.

Preferably, the outer end face of the sliding block is detachably connected with a balance piece, and the balance piece and the tool apron are arranged at intervals along the moving direction of the sliding block.

Preferably, the device further comprises a limiting mechanism for limiting the stroke of the sliding block.

Preferably, the limiting mechanism comprises a first limiting screw and a second limiting screw, the first limiting screw and the second limiting screw are coaxial and are arranged at intervals along the moving direction of the sliding block, the rod body of the first limiting screw and the rod body of the second limiting screw are in threaded fit with the fixed sleeve, and the inner end of the first limiting screw and the inner end of the second limiting screw extend into the opening in the fixing part and face the sliding block.

Preferably, the middle part of one end of the fixing part, which is far away from the sliding block, is provided with a connecting piece, and a hollow boss of the connecting piece is arranged.

Preferably, the connecting piece is a connecting screw capable of being in threaded fit with the outer end of the main shaft of the processing equipment, the fixing piece is provided with a plurality of eccentric countersunk through holes along the axial direction of the fixing piece, the end part of the screw of the connecting screw movably penetrates through the corresponding countersunk through hole, and the end part of the screw of the connecting screw can be in threaded fit with the outer end of the main shaft of the processing equipment.

Preferably, the end face of the opening end of the fixing piece is coplanar with the end face of the fixing sleeve at the same end of the fixing piece.

Preferably, two side walls of the sliding block corresponding to the moving direction of the sliding block are provided with shielding parts used for sealing the opening in the fixing piece, and the shielding parts are located on the outer side of the fixing sleeve.

Has the advantages that:

1. through the transmission between the gear and the rack, the transmission effect is better, and the technical problems that the clamp is realized through relative sliding fit and the spring is tired after being used for a long time in the prior art are solved;

2. the center of gravity offset of the tool apron, the tool bar and the blade is balanced by the balance piece, so that the center of gravity of the transverse cutting device is positioned on the central axis of the fixed sleeve, and the technical problem that the center of the whole tool is offset from the central axis of the mandrel along with the radial movement of the tool embedding block along the mandrel in the prior art is solved, therefore, the transverse cutting device can stably rotate at high speed, and the machining precision can be improved;

3. because the balance piece can be dismantled with the slider and be connected, consequently can be according to the weight of waiting to process the diameter change balance piece in jump ring groove, consequently can guarantee when the jump ring groove processing targets in place, the focus of this crosscut device is located the center axis of fixed cover, has improved the practicality.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a rear view of the present invention;

FIG. 3 is a cross-sectional view A-A of the first structure of FIG. 2;

FIG. 4 is a cross-sectional view A-A of the second structure of FIG. 2;

fig. 5 is a schematic structural view of the fixing member of the present invention;

fig. 6 is an assembly structure diagram of the middle slide block, the tool post and the balance member of the present invention.

The reference numerals are explained below:

1. fixing a sleeve; 2. a fixing member; 21. a connecting member; 3. a slider; 4. a tool apron; 5. a balance member; 6. a cutter bar; 7. a blade; 8. a drive mechanism; 81. a pull rod; 82. a gear; 83. a support wheel; 84. a wear-resistant sleeve; 9. a limiting mechanism; 91. a first limit screw; 92. and a second limit screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Embodiment one, as shown in fig. 1-5, a transverse cutting device for a transmission shaft jump ring groove comprises a fixed sleeve 1 and a sliding block 3, a fixing member 2 coaxial with the fixed sleeve 1 is installed in an inner cavity of the fixed sleeve 1, specifically, the fixed sleeve 1 is connected with the fixing member 2 through a bolt, a connecting member 21 capable of coaxially connecting the fixing member 2 with an outer end of a main shaft of a processing device is arranged at one end of the fixing member 2, specifically, the fixing member 2 is coaxially connected with an outer end of the main shaft of the processing device through the connecting member 21, so that the transverse cutting device can be driven to rotate by rotation of the main shaft of the processing device, an opening arranged along a radial direction of the fixing member 2 is arranged at the other end of the fixing member 2 and located in the middle of the end of the fixing member 2, an inner end of the sliding block 3 extends into the opening and is slidably connected with the fixing member 2 along a length direction of the opening, a tool apron 4 is arranged on an outer end of the sliding block 3, a tool bar 6 coaxial with the tool apron 4 is detachably connected with the outer end of the sliding block, a blade 7 used for machining a clamp spring groove is detachably connected to the outer end of the cutter bar 6, specifically, an eccentric blade 6 is detachably connected to the outer end of the cutter bar 5, a cutter point of the blade 6 radially extends to the outer side of the cutter bar 5, and the direction of the cutter point of the blade 6 positioned on the outer side of the cutter bar 5 is required to be ensured to be consistent with the eccentric moving direction of the slide block 3;

still including the actuating mechanism 8 that is used for driving slider 3 to remove, actuating mechanism 8 includes pull rod 81, gear 82, the one end that mounting 2 deviates from slider 3 is equipped with the central through-hole with the opening intercommunication, it has pull rod 81 to follow its axial sliding fit in this central through-hole, the inner extension of pull rod 81 is to in the opening, and with slider 3 contactless, it is concrete, there is the clearance between pull rod 81 and the slider 3 all the time, the pole body that pull rod 81 is located this opening is equipped with first tooth portion along pull rod 81 axial, the opening internal rotation is connected with gear 82 with first tooth portion meshing, and gear 82's wheel disc is located same vertical plane with this opening, the terminal surface is equipped with the second tooth portion with gear 82 meshing in the slider 3.

In the structure, before use, the balance piece 5 with proper weight is replaced according to the outer diameter of the clamp spring groove to enable the blade 6 to process the bottom position of the clamp spring groove, the gravity center of the transverse cutting device is positioned on the central axis of the fixing sleeve 1, when in use, the fixing piece 2 is coaxially connected with the outer end of the main shaft of the processing equipment through the connecting piece 21, then the transverse cutting device is driven to rotate through the main shaft of the processing equipment, the blade 6 on the cutter bar 5 is moved to a proper position, then the sliding block 3 is driven to move along the radial direction of the fixing sleeve 1 through the driving mechanism 8, concretely, the two conditions are divided, when the gear 82 and the balance piece 5 are positioned on the same side of the pull rod, the gear 82 can be driven to rotate anticlockwise through the contraction of the pull rod cylinder, the sliding block 3 is driven to move upwards, the sliding block 3 is further moved along the fixing piece 2, and the cutter holder 4 is enabled to deviate from the central axis of the fixing sleeve 1 gradually, therefore, the circular motion radius of the blade 7 is gradually increased, so that a circlip groove of a transmission shaft can be machined;

when gear 82 and balancing piece 5 correspond and are located the pull rod both sides, can drive gear 82 clockwise rotation through the extension of pull rod cylinder, and then drive slider 3 downstream, and then make slider 3 along mounting 2 radial movement for the central axis of fixed cover 1 is deviated gradually to blade holder 4, and consequently the circular motion radius of blade 7 increases gradually, so can process the transmission shaft jump ring groove.

In the second embodiment, on the basis of the first embodiment, as shown in fig. 3 to 5, a supporting wheel 83 is rotatably connected in the opening, and an outer edge surface of the supporting wheel 83 is in interference fit with a shaft body of the pull rod 81 on a side away from the first tooth part, preferably, the supporting wheel 83 and the gear 82 are symmetrically arranged relative to a central axis of the pull rod 81, so that the pull rod 81 can be limited by the supporting wheel 83, and the pull rod 81 is prevented from deforming to affect the processing precision.

In the third embodiment, on the basis of the first embodiment, as shown in fig. 3 to 5, a wear-resistant sleeve 84 coaxial with the central through hole is installed in the central through hole, and the wear-resistant sleeve 84 is in sliding fit with the rod body of the pull rod 81, so that the central through hole of the fixing member 2 is worn, the fixing member 2 is damaged, the wear-resistant sleeve 84 is added, even if the wear-resistant sleeve 84 is damaged, only the wear-resistant sleeve 84 needs to be replaced, and the maintenance cost is reduced.

Fourth embodiment, on the basis of the first embodiment, as shown in fig. 3 to 6, the outer end surface of the slider 3 is detachably connected with the balance member 5, and the balance member 5 and the tool post 4 are arranged at an interval along the moving direction of the slider 3, specifically, the outer end of the blade 7 faces to the side away from the balance member 5, and the vertical distance from the center of gravity of the tool post 4 to the central axis of the fixing member 2 is smaller than the vertical distance from the balance member 5 to the central axis of the fixing member 2, preferably, at the later stage of processing, the tool post 4 and the balance member 5 are respectively located at two sides of the central axis of the fixing member 2, so that when the tool post 4 is moved radially to the final position, that is, when the tool post 4 is processed in place, the offset of the center of gravity of the tool post 4, the tool bar 6 and the blade 7 is balanced by the balance member 5, so that the center of gravity of the transverse cutting device is located on the central axis of the fixing sleeve 1, thereby solving the problem that the prior art moves along with the tool insert block along the central axis radially, the center of the whole cutter deviates from the central axis of the mandrel, so the transverse cutting device can stably rotate at high speed, and the processing precision can be improved.

Fifth embodiment, on the basis of the first embodiment, as shown in fig. 1 to 4, the slide rail further comprises a limiting mechanism 9 for limiting the stroke of the slide block 3;

the limiting mechanism 9 comprises a first limiting screw 91 and a second limiting screw 92, the first limiting screw 91 and the second limiting screw 92 are coaxial and are arranged at intervals along the moving direction of the slider 3, the first limiting screw 91 and the second limiting screw 92 are both in threaded fit with the fixed sleeve 1, the inner end of the first limiting screw 91 and the inner end of the second limiting screw 92 both extend into the opening of the fixed part 2 and face the slider 3, when the limiting mechanism is used, the distance between the first limiting screw 91 and the second limiting screw 92 is changed by adjusting the positions of the first limiting screw 91 and the second limiting screw 92, so that the function of limiting the stroke of the slider 3 is further realized, when the limiting mechanism is used, when the first limiting screw 91 is a home position limiting screw, the second limiting screw 92 is a terminal limiting screw, the diameter of the clamp spring groove is processed according to actual needs, the position of the second limiting screw 92 is adjusted, so that when the slider is in abutting fit with the inner end of the second limiting screw 92, the blade 7 is just able to finish machining the jump ring groove.

Sixth embodiment, on the basis of the first embodiment, as shown in fig. 1 to 4, a connecting member 21 is arranged in the middle of one end of the fixing member 2 away from the slider 3, and the connecting member 21 is a hollow boss, so that the fixing member can be connected with the outer end of a rotating shaft of a processing device through the hollow boss, specifically referring to the installation of a morse taper tool apron, and the hollow boss is fixed by the absorption of the processing device;

the connecting piece 21 is a connecting screw capable of being in threaded fit with the outer end of the main shaft of the processing equipment, the fixing piece 2 is provided with a plurality of eccentric countersunk through holes along the axial direction of the fixing piece, the end part of the screw rod of the connecting screw movably penetrates through the corresponding countersunk through hole, and the end part of the screw rod of the connecting screw can be in threaded fit with the outer end of the main shaft of the processing equipment, so that the fixing piece 2 is coaxial with the outer end of the main shaft of the processing equipment;

the connecting piece 21 may also be a combination of a hollow boss and a through-going hole, which makes the mounting of the crosscutting device more stable.

Seventh, on the basis of the first embodiment, as shown in fig. 1-4 or 6, the end surface of the opening end of the fixing member 2 is coplanar with the end surface of the fixing sleeve 1 at the same end;

the both sides wall that slider 3 corresponds its moving direction is equipped with and is used for carrying out sealed occlusion part to mounting 2 well opening, and occlusion part is located fixed cover 1 outside, can shelter from 2 well openings of mounting through occlusion part all the time like this, prevents that impurity such as dust from entering into in mounting 2 well opening, influences actuating mechanism 8's operation.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a transmission shaft jump ring groove crosscut device which characterized in that: the clamping spring groove machining tool comprises a fixed sleeve (1) and a sliding block (3), wherein a fixing piece (2) coaxial with the fixed sleeve is installed in an inner cavity of the fixed sleeve (1), a connecting piece (21) capable of enabling the fixing piece (2) to be coaxially connected with the outer end of a main shaft of machining equipment is arranged at one end of the fixing piece (2), an opening radially arranged along the fixing piece (2) is formed in the other end of the fixing piece (2), the opening is located in the middle of the end of the fixing piece (2), the inner end of the sliding block (3) extends into the opening and is slidably connected with the fixing piece (2) along the length direction of the opening, a tool apron (4) is arranged on the outer end face of the sliding block (3), a tool bar (6) coaxial with the tool apron is detachably connected with the outer end of the tool apron (4), and a blade (7) used for machining a clamping spring groove is detachably connected to the outer end of the tool bar (6);

still including actuating mechanism (8) that is used for driving slider (3) to remove, actuating mechanism (8) include pull rod (81), gear (82), the one end that mounting (2) deviate from slider (3) is equipped with the central through-hole that communicates with the opening, has pull rod (81) along its axial sliding fit in this central through-hole, and pull rod (81) inner extends to in the opening to with slider (3) contactless, pull rod (81) lie in this intraoral pole body of opening and are equipped with first tooth portion along pull rod (81) axial, the opening internal rotation is connected with gear (82) with first tooth portion meshing, and the wheel disc of gear (82) and the plane coplane that this opening was located, the terminal surface is equipped with the second tooth portion with gear (82) meshing in slider (3).

2. A drive shaft circlip groove crosscutting apparatus as claimed in claim 1 wherein: a supporting wheel (83) is rotationally connected in the opening, and the outer edge surface of the supporting wheel (83) is in interference fit with a shaft body on one side of the pull rod (81) departing from the first tooth part.

3. A drive shaft circlip groove crosscutting apparatus as claimed in claim 1 wherein: and a wear-resistant sleeve (84) coaxial with the central through hole is arranged in the central through hole, and the wear-resistant sleeve (84) is in sliding fit with the rod body of the pull rod (81).

4. A drive shaft circlip groove crosscutting apparatus as claimed in claim 1 wherein: the outer end face of the sliding block (3) is detachably connected with a balance piece (5), and the balance piece (5) and the tool apron (4) are arranged at intervals along the moving direction of the sliding block (3).

5. A drive shaft circlip groove crosscutting apparatus as claimed in claim 1 wherein: the device also comprises a limiting mechanism (9) used for limiting the stroke of the sliding block (3).

6. The drive shaft circlip groove crosscutting apparatus of claim 5 wherein: stop gear (9) include first stop screw (91), second stop screw (92), first stop screw (91) and second stop screw (92) are coaxial and set up along slider (3) moving direction interval, and first stop screw (91) pole body and second stop screw (92) pole body all with fixed cover (1) screw-thread fit, and first stop screw (91) the inner and second stop screw (92) the inner all stretch into mounting (2) in the opening and towards slider (3).

7. A drive shaft circlip groove crosscutting apparatus as claimed in claim 1 wherein: the middle part of one end of the fixing part (2) departing from the sliding block (3) is provided with a connecting piece (21), and the connecting piece (21) is a hollow boss.

8. A drive shaft circlip groove crosscutting apparatus as claimed in claim 1 wherein: connecting piece (21) are for can with the main shaft outer end screw thread fit's of processing equipment connecting screw, and mounting (2) are equipped with a plurality of countersunk head through-holes along its axial, and the screw rod tip activity of connecting screw runs through the countersunk head through-hole that corresponds, and the screw rod tip of connecting screw can with the main shaft outer end screw thread fit of processing equipment.

9. A drive shaft circlip groove crosscutting apparatus as claimed in claim 1 wherein: the end face of the opening end of the fixing piece (2) is coplanar with the end face of the fixing sleeve (1) at the same end of the fixing piece.

10. A drive shaft circlip groove crosscutting apparatus as claimed in claim 9 wherein: the two side walls of the sliding block (3) corresponding to the moving direction of the sliding block are provided with shielding parts used for sealing the opening in the fixing piece (2), and the shielding parts are positioned on the outer side of the fixing sleeve (1).

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