Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the invention provides the slotting device for the inner hole key slot of the workpiece, which can be quickly installed and aligned, is more convenient for processing the inner hole key slot, and is beneficial to reducing the production cost.
The workpiece inner hole key slot slotting device provided by the embodiment of the invention comprises:
the base body is provided with a first abutting part and a second abutting part, at least one of the first abutting part and the second abutting part can move relative to the base body along the radial direction of the inner hole of the workpiece, and the first abutting part and the second abutting part are used for abutting against the inner wall of the inner hole of the workpiece to fix the base body;
the tool rest is connected to the base body in a sliding manner, and a cutting tool is arranged on the tool rest;
the first driving piece is connected between the base body and the tool rest and used for driving the tool rest and the slotting tool to move along the axial direction of the inner hole of the workpiece.
The workpiece inner hole key slot slotting device provided in the embodiment is abutted to the inner wall of the workpiece inner hole through the first abutting part and the second abutting part, so that the installation and alignment of the slotting device are quicker, the inner hole key slot can be machined more conveniently, and the production cost is reduced.
In some embodiments, the base includes a first plate body and a second plate body that are disposed in parallel, where the first plate body and the second plate body are disposed along an axial extension of the inner hole of the workpiece, the first abutting portion is fixed on the first plate body, at least one second driving member is disposed on the second plate body, the second driving member is disposed along a radial extension of the inner hole of the workpiece, and the second abutting portion is a movable end of the second driving member.
In some embodiments, the first abutting portion is located on an outer surface of one side, away from the second plate, of the first plate, and the second driving piece is a hydraulic cylinder, a linear motor or a threaded adjusting column.
In some embodiments, the number of the second driving parts is two, and the two second driving parts are arranged at an included angle alpha around the axis of the inner hole of the workpiece, and the angle alpha is 90 degrees less than 180 degrees.
In some embodiments, the first plate body is provided with a stage, the stage protrudes from the first plate body to one side of the edge of the inner hole of the workpiece, and the stage abuts against the end face of the inner hole of the workpiece to limit the movement of the seat body.
In some embodiments, a third driving member is disposed on the tool rest, and the slotting tool is connected to an output end of the third driving member, and the third driving member is used for adjusting the cutting thickness of the slotting tool.
In some embodiments, the tool holder comprises a first frame body, a second frame body and a tool holder, wherein the first frame body is slidably connected to the base body and is connected to the first driving member, the second frame body is connected between the first frame body and the tool holder, the insert tool is mounted on the tool holder, and the tool holder is movable or rotatable relative to the first frame body along the radial direction of the inner hole of the workpiece.
In some embodiments, the tool holder further comprises a first screw and a second screw, the second holder is slidably connected to the first holder along a first direction, the first screw is connected between the first holder and the second holder, the tool holder is slidably connected to the second holder along a second direction, the second screw is connected between the tool holder and the first holder or between the tool holder and the second holder, and both the first direction and the second direction are perpendicular to an axial direction of the workpiece inner hole.
In some embodiments, the base is provided with a dovetail groove, the dovetail groove extends along the axial direction of the workpiece, the tool rest is provided with a dovetail section, and the dovetail section is slidingly connected in the dovetail groove.
In some embodiments, the seat body is provided with a first hinge seat, the tool rest is provided with a second hinge seat, and two ends of the first driving piece are correspondingly connected to the first hinge seat and the second hinge seat.
In some embodiments, the workpiece inner bore keyway slotting device further comprises an energy supply assembly for providing energy to the first driving member, which is configured as a jack or a hydraulic cylinder or a linear motor.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1, 2 and 3, in the embodiment of the present invention, there is provided a slotting device for a keyway of a workpiece inner hole, the slotting device includes a base 1, a tool rest 2 and a first driving member 4, the base 1 is provided with a first abutting portion 11 and a second abutting portion 12, at least one of the first abutting portion 11 and the second abutting portion 12 is movable along a radial direction of the workpiece inner hole 10 relative to the base 1, the first abutting portion 11 and the second abutting portion 12 are used for abutting against an inner wall of the workpiece inner hole 10 to fix the base 1; the tool rest 2 is connected with the seat body 1 in a sliding way, and a slotting tool 3 is arranged on the tool rest 2; the first driving piece 4 is connected between the base 1 and the tool rest 2, and the first driving piece 4 is used for driving the tool rest 2 and the slotting tool 3 to move along the axial direction of the inner hole 10 of the workpiece.
Specifically, during the use of the slotting device, at least one of the first abutting part 11 and the second abutting part 12 moves towards the inner wall of the inner hole 10 of the workpiece, so that the first abutting part 11 and the second abutting part 12 abut against the inner wall of the inner hole 10 of the workpiece, and the alignment and the positioning of the slotting device can be realized; and under the action of the first driving piece 4, the tool rest 2 and the slotting tool 3 can move along the axial direction of the inner hole 10 of the workpiece so as to realize the processing of the key groove 101 of the inner hole of the workpiece. The slotting device can be installed and aligned more quickly, can facilitate machining of the inner hole key groove 101, and is beneficial to reducing production cost.
The slotting device provided by the embodiment of the invention can be applied to the roller production processing of the belt conveyor, for example, in the processing process of the key groove 101 of the roller shaft hole, the slotting device can be directly fixed into the shaft hole of the roller through the first abutting part 11 and the second abutting part 12, so that the slotting device is convenient to process, alignment is quicker, the cost caused by roller transportation and factory transferring processing is reduced, and the production cost is reduced.
In some embodiments, as shown in fig. 2 and 3, the base 1 includes a first plate 13 and a second plate 14 disposed in parallel, where the first plate 13 and the second plate 14 extend along an axial direction of the workpiece inner hole 10, the first abutment 11 is fixed to the first plate 13, and the second abutment 12 is movably connected to the second plate 14.
Further, the first abutting portion 11 is located on an outer surface of a side of the first plate 13 facing away from the second plate 14. The second plate body 14 is provided with at least one second driving member 15, the second driving member 15 is arranged along the radial extension of the inner hole 10 of the workpiece, and the second abutting portion 12 is a movable end of the second driving member 15.
Specifically, the work inner hole 10 is circular, and the first abutting portion 11 is located at an edge of the outer side surface of the first plate body 13. The second driving member 15 can move telescopically relative to the second plate 14 to adjust the distance between the second abutting portion 12 and the second plate 14. In the use, first plate body 13 and second plate body 14 all are located work piece hole 10, and first plate body 13 accessible first butt portion 11 supports to be placed in work piece hole 10, and the rethread second driving piece 15 work is in order to drive second butt portion 12 motion for second butt portion 12 supports in the lateral wall of work piece hole 10, realizes the installation of pedestal 1 and fixes, and convenient alignment in order to conveniently confirm the position of waiting to process keyway 101 and the position of slotting tool 3.
When the diameter of the workpiece inner hole 10 and the width of the first plate 13 are fixed, the chord where the first plate 13 is located has a fixed angle, and the position of the slotting tool 3 in the workpiece inner hole 10 is fixed, so that alignment is more convenient.
Of course, in some embodiments, the first abutting portion 11 and the second abutting portion 12 can both move relative to the base 1, that is, in the use process, the position of the slotting tool 3 can be adjusted by adjusting the extending lengths of the first abutting portion 11 and the second abutting portion 12 relative to the base 1, so as to facilitate alignment and adjustment of the position of the slotting tool 3, and further facilitate processing of the key slot 101.
In some embodiments, the second drive member 15 is a hydraulic cylinder or a linear motor or a threaded adjustment column. For example, in the case where the second driving member 15 is a screw-threaded adjusting column, a screw hole is provided in the second plate body 14, and the screw-threaded adjusting column is screw-coupled to the screw hole of the second plate body 14. In use, an operator may rotate the threaded adjustment post such that the threaded adjustment post moves from the center of the workpiece bore 10 to the inner wall to abut the inner wall of the workpiece bore 10.
When the second driving member 15 is a hydraulic cylinder or a linear motor, the second driving member 15 may be mounted and fixed on the second plate 14, so as to control the second driving member 15 to work, so that the second abutting portion 12 extends out relative to the second plate 14, thereby realizing the mounting and fixing of the seat 1. It is contemplated that in other embodiments, the first abutment 11 may also be configured as a similar structure or component to the second abutment 12, and will not be described in detail herein.
In some embodiments, the second driving members 15 are provided in two, and the two second driving members 15 are disposed at an angle α about the axis of the workpiece bore 10, 90+.α < 180 °. The alignment and positioning of the slotting device can be facilitated when an operator moves radially along the workpiece inner bore 10 via the second drive member 15. For example, the included angle α may be set to 90 °, 120 °, or 150 °, which may facilitate not only adjustment of the second driving member 15 but also alignment of the slotting device and adjustment of the cutting thickness of the slotting tool 3.
In some embodiments, as shown in FIG. 2, a plurality of second drivers 15 may be provided in spaced apart axial arrangement along the workpiece bore 10. For example, the number of the second driving members is 3, and the 3 second driving members 15 are arranged at intervals along the axial direction of the workpiece inner hole 10, that is, the 3 second driving members 15 are respectively positioned at the left end, the middle and the right end of the workpiece inner hole 10, so as to reduce the possibility of the base body 1 shifting during the operation of the slotting tool 3. Of course, the number of second drivers 15 may be set or activated based on the axial length of the workpiece bore 10, such as when the axial length of the workpiece bore 10 is small, only one of the two sides and the second driver 15 of the middle side may be activated.
Of course, in other embodiments, the second driving members may be combined with the two arrangements described above, that is, two second driving members 15 on the same radial plane of the workpiece inner hole 10 are grouped together, and multiple groups of second driving members 15 are arranged at intervals along the axial direction of the workpiece inner hole 10, so as to ensure that the seat body 1 is stably mounted relative to the workpiece during the slotting process.
In some embodiments, the first plate 13 is provided with a stage 131, the stage 131 protrudes from the first plate 13 to one side of the edge of the workpiece inner hole 10, and the stage 131 is used to abut against the end surface of the workpiece inner hole 10 to limit the movement of the seat 1. Specifically, the step 131 is a protruding block protruding from the end or the outer surface of the first plate 13 toward the wall surface of the workpiece inner hole 10, and in the use process, the step 131 can be abutted against the end surface of the workpiece inner hole 10, so that the axial movement of the base 1 along the workpiece inner hole 10 in the slotting process is avoided, and the slotting precision is improved.
Optionally, the step 131 and the first plate 13 may be integrally formed, i.e., the step 131 and the first plate 13 are integrally formed in an L-shape, so as to ensure that the stage 131 has a strong structural strength.
In some embodiments, as shown in fig. 2, 3 and 4, a dovetail groove 132 is provided on the base 1, the dovetail groove 132 extends along the axial direction of the workpiece, a dovetail section 211 is provided on the tool rest 2, the dovetail section 211 is slidably connected in the dovetail groove 132, and when ensuring the smoothness of the sliding of the tool rest 2, the radial position of the tool rest 2 in the inner hole 10 of the workpiece can be ensured, and the machining precision of the slotting tool 3 is ensured.
Further, the seat body 1 further includes a first stop portion 16 and a second stop portion 17, where the first stop portion 16 and the second stop portion 17 are located at two ends of the dovetail groove 132, respectively, so as to limit the movement stroke of the tool holder 2.
In this embodiment, the dovetail groove 132 is disposed on the first plate 13, and the first plate 13 is further provided with a slot 133 through which the slotting tool 3 passes, where the length of the slot 133 is greater than or equal to the length of the dovetail groove 132. The tool rest 2 is slidably mounted in the dovetail groove 132, and the tool rest 2 is located between the first plate 13 and the second plate 14, the slotting tool 3 movably penetrates through the slot 133, and the slotting tool 3 can move along the length direction of the slot 133 under the driving action of the first driving piece 4. The length direction of the slot 133 corresponds to the axial direction of the workpiece inner hole 10.
Further, a first side plate 161, a second side plate 171, and a third side plate 18 may be further provided between the first plate 13 and the second plate 14. The first side plate 161 and the second side plate 171 are respectively located at two ends of the dovetail groove 132 to form the first stop portion 16 and the second stop portion 17, respectively, and the third side plate 18 is located at a side of the second side plate 171 facing away from the first side plate 161, that is, the second side plate 171 is located between the first side plate 161 and the third side plate 18. One end of the first driving member 4 may be connected to the first side plate 161, and the other end of the second driving member 15 may be connected to the tool post 2 to perform the driving function of the first driving member 4. Also, the first side plate 161, the second side plate 171, and the third side plate 18 may also be used to support and fix the first plate 13 and the second plate 14.
Still further, the second plate 14 includes a first connecting plate 141, a second connecting plate 142 and a third connecting plate 143, the first connecting plate 141 and the third connecting plate 143 are respectively located at two sides of the second connecting plate 142, and the length of the first connecting plate 141 and the length of the third connecting plate 143 are both greater than the length of the second connecting plate 142. The first connection plate 141 has both ends connected to the first side plate 161 and the third side plate 18, the third connection plate 143 has both ends connected to the first side plate 161 and the second side plate 171, and the second connection plate 142 has both ends connected between the first side plate 161 and the second side plate 171.
Alternatively, the second connection plate 142 is positioned at a middle position of the first side plate 161 and the second side plate 171, and the first connection plate 141 and the third connection plate 143 are symmetrically positioned at both sides of the second connection plate 142. As shown in fig. 2 and 3, the second driving member 15 is mounted on the second connection plate 142. Of course, the first connection plate 141 and the third connection plate 143 may be correspondingly disposed according to the number and positions of the second driving members 15. For example, when there are two second driving members 15, the two second driving members may be disposed on the first connecting plate 141 and the third connecting plate 143, respectively.
In other embodiments of the present invention, the first plate 13 and the second plate 14 may be provided as one body, that is, the first abutting portion 11 and the second abutting portion 12 may be located at opposite sides of the base 1, so that the size of the slotting device may be reduced and the weight of the slotting device may be reduced.
In some embodiments, as shown in fig. 3, a first hinge base 181 is provided on the base 1, a second hinge base 212 is provided on the tool rest 2, and two ends of the first driving member 4 are correspondingly connected to the first hinge base 181 and the second hinge base 212. The first driving piece 4 can be connected between the seat body 1 and the tool rest 2 in a hinged mode, so that enough freedom degrees are ensured between the first driving piece 4 and the seat body 1 and between the first driving piece 4 and the tool rest 2, and the stability degree of the installation of the seat body 1, which is influenced by the resistance of the slotting process, is reduced.
Further, the first hinge base 181 and the second hinge base 212 may be configured as a Y-type structure, and the end portion of the first driving member 4 may be inserted into two connectors of the Y-type structure, and the first hinge base 181 may be connected with the first driving member 4, the second hinge base 212, and the first driving member 4 through pins, so as to ensure the structural strength of the connection, and facilitate the disassembly and assembly.
Still further, the first driving member 4 is provided as a jack or a hydraulic cylinder or a linear motor. The slotting device further comprises an energy supply assembly for providing energy to the first driver 4. For example, the first driving member 4 is a jack, and the energy supply assembly may include an oil pump station and a reversing valve, and the oil pump station and the jack may be connected through a rubber hose. In the use process, an operator can move the piston rod of the jack to an initial position by controlling the reversing valve to work; and then the reversing valve is operated to work, so that the piston rod of the jack reciprocates along the axial direction of the inner hole 10 of the workpiece, and the processing of the key groove 101 of the inner hole of the workpiece is completed.
In some embodiments, as shown in fig. 5, 6 and 7, the tool holder 2 includes a first frame 21, a second frame 22 and a tool holder 23, the first frame 21 is slidably connected to the base 1 and connected to the first driving member 4, the second frame 22 is connected between the first frame 21 and the tool holder 23, the insert 3 is mounted on the tool holder 23, and the tool holder 23 is movable or rotatable relative to the first frame 21 along a radial direction of the workpiece inner bore 10.
Further, the tool holder 2 further includes a first screw 24 and a second screw 25, the second frame 22 is slidably connected to the first frame 21 along a first direction, the first screw 24 is connected between the first frame 21 and the second frame 22, the tool holder 23 is slidably connected to the second frame 22 along a second direction, the second screw 25 is connected between the tool holder 23 and the first frame 21 or between the tool holder 23 and the second frame 22, and both the first direction and the second direction are parallel to a radial direction of the workpiece inner hole 10.
In this embodiment, the second frame 22 is provided with a first U-shaped groove 223, the first screw 24 is connected to the first frame 21 through threads, the first screw 24 is provided with a first fastening section 241, and the first screw 24 is connected with the first U-shaped groove 223 on the second frame 22 through the first fastening section 241, so that the movement of the second frame 22 in the first direction is adjustable, and the control is more convenient; the first frame body 21 is provided with a second U-shaped groove 214, the second screw rod 25 is provided with a second clamping section 251, the second screw rod 25 is connected with the tool apron 23 through threads, and the second screw rod 25 is connected with the second U-shaped groove 214 on the first frame body 21 through the second clamping section 251, so that the movement of the tool apron 23 in the second direction is adjustable, and the control is more convenient. And the first direction and the second direction are perpendicular to each other, and the position and the cutting thickness of the slotting tool 3 can be adjusted by adjusting the first screw 24 and the second screw 25.
Specifically, the dovetail section 211 and the second hinge seat 212 are both disposed on the first frame body 21, and the first driving member 4 may drive the first frame body 21 to slide relative to the first plate body 13 through the cooperation of the dovetail section 211 and the dovetail groove 132, so as to realize the sliding of the tool rest 2 relative to the seat body 1.
In addition, the first frame 21 is provided with a first hole 213, the first hole 213 is arranged side by side with the first screw 24, the second frame 22 is provided with a first shaft section 221, and the first shaft section 221 is inserted into the first hole 213; the second frame 22 is provided with a second hole 222, and the tool apron 23 is movably inserted into the second hole 222 to ensure the sliding smoothness of the second frame 22 and the tool apron 23. Alternatively, the first hole 213 and the second hole 222 are each configured as a square hole, and the first shaft section 221 and the tool holder 23 have columnar structures corresponding to the square holes, so that deflection can be avoided during movement of the second frame 22 and the tool holder 23. For example, the arrangement of the tool holder 23 and the second hole 222 can ensure that the cutting edge of the slotting tool 3 always moves along the axial direction of the inner hole 10 of the workpiece, and the slotting tool 3 is prevented from deflecting.
In some embodiments, the tool holder 23 is further provided with a tool slot 231, the insert 3 is at least partially received in the tool slot 231, and a positioning post 232 is disposed on a sidewall of the tool slot 231, and the positioning post 232 is used for fixing the insert 3. In the use process, an operator can adjust the extension length of the slotting tool 3 according to the needs, and fix the slotting tool 3 into the tool groove 231 of the tool apron 23 through the positioning column 232, so as to ensure that the slotting tool 3 has better strength and rigidity, and further help to ensure slotting machining efficiency.
Alternatively, the positioning column 232 may be set as a stop screw or a positioning pin, and the side wall of the cutter slot 231 is provided with a mounting hole 233, and the positioning column 232 may be mounted in the mounting hole 233, so as to realize the fixed mounting of the cutter 3.
In some embodiments, the tool holder 2 is provided with a third driving member 26, and the cutting tool 3 is mounted on an output end of the third driving member 26, and the third driving member 26 is used for adjusting the cutting thickness of the cutting tool 3. Wherein, the third driving piece 26 is arranged along the radial direction of the inner hole 10 of the workpiece, and the third driving piece 26 drives the slotting tool 3 to move along the radial direction of the inner hole 10 of the workpiece so as to adjust the cutting thickness of the slotting tool 3.
Further, the third driving member 26 may be configured as a hydraulic cylinder or a linear motor, and the third driving member 26 may be disposed on the tool holder 23. After an operator moves the slotting tool 3 to a position to be slotting through the first screw 24 and the second screw 25, the first driving piece 4 can drive the slotting tool 3 to work, and the cutting thickness of the slotting tool 3 is adjusted through the third driving piece 26, so that the machining of the inner hole 10 of the workpiece is completed gradually. Of course, in some embodiments, the operator may also adjust the cutting thickness of the slotting tool 3 by controlling the movement of the first screw 24 and the second screw 25.
It should be noted that the first driving member 4, the second driving member 15, and the third driving member 26 may be provided as the same type of component, for example, components of different specifications in the same type may be selected according to different driving forces required, which helps to reduce production costs.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.