Combined double-sided turning tool for deep hole machining of lathe
Technical Field
The invention relates to the technical field of deep hole machining of lathes, in particular to a combined double-sided lathe tool for deep hole machining of lathes.
Background
The combined double-sided lathe tool is a novel tool designed aiming at various defects of the traditional lathe tool in the use process, the traditional lathe tool has many defects in cutting off bars, grooving workpieces, thread machining and the like, most of the lathe tools can only be used for single-sided machining in the machining process, certain limitations exist when two upper and lower face holes are needed for machining some shell parts, products need to be overturned to be clamped for the second time, and the production efficiency in mass production is definitely greatly reduced.
Among the prior art, as a lathe turning deep hole processing double-sided lathe tool of publication No. CN216263476U, including workstation, lathe tool body, threaded rod and connecting block, workstation one side is fixed with the fixed block, fixed block one side is fixed with the second motor, the third through hole has been seted up to fixed block one side, the transmission shaft that the second motor rotates to be connected stretches into in the third through hole, transmission shaft one side that the second motor rotates to be connected is fixed with the casing, casing and cylinder grafting. The turning tool can be adjusted according to the size of the deep hole to be machined, and the working efficiency is improved.
In order to solve the problem that a turning tool for turning a deep hole machining double-sided lathe tool cannot be adjusted according to the size of a deep hole to be machined, so that the working efficiency is reduced, the prior art adopts a mode of adjusting the size of the deep hole by adopting thread adaptation.
But in the actual use process, only can singly realize the aperture turning of a plane, the deep hole machining positioning effect is poor when the stepped hole machining can not be synchronously carried out on the upper surface hole and the lower surface hole, the turning tool is single in functionality, and the blade can not be hidden when the turning tool is idle.
Therefore, the combined double-sided turning tool for deep hole machining of the lathe is provided by the invention, so that the problems of limited deep hole machining and single functionality of the existing turning tool are solved, the combined structure of the cutter bar and the cutter holder can be optimized, the stable operation of the turning tool during deep hole turning and milling is met, the drilling and milling of deep holes are met, the safe storage of the turning tool during idle is also met, and the effect of one object with multiple purposes is realized.
Disclosure of Invention
The invention aims to provide a combined double-sided lathe tool for deep hole machining of a lathe, which aims to solve the problems in the background technology.
The combined double-sided lathe tool for deep hole machining of the lathe comprises a cutter bar and a lathe tool cutter holder movably mounted at the upper end of the cutter bar, wherein the cutter bar is formed by combining a clamping part and a containing part, curved surface inclined grooves are respectively formed in two sides of the lathe tool cutter holder, cutter holder side containing grooves are formed in the other two opposite sides of the lathe tool holder, side double-sided lathe tool assemblies are movably mounted in each group of cutter holder side containing grooves, two groups of side double-sided lathe tool assemblies are arranged, and a center screw drill is arranged on the inner surface of the center of the upper end of the lathe tool holder.
Preferably, the side double-sided lathe tool assembly comprises a column bolt, a thread fastening substrate and a lathe tool, wherein the thread fastening substrate is detachably connected with the lathe tool, the inner surface of the thread fastening substrate is in threaded connection with the outer surface of the column bolt, and two ends of the column bolt penetrate through the inner wall of the curved chute and are in threaded connection with the inner wall of the curved chute.
Preferably, the one end that the screw thread fastening base plate was kept away from to the lathe tool has been seted up spacing mounting groove, the inboard of spacing mounting groove has the blade through bolt fixed mounting, lathe tool movable mounting is at the inboard of blade holder avris storage tank.
Preferably, the lathe tool and the blade are provided with two groups, the two groups of lathe tools and the blade are distributed relatively, a circular hole and a limit T-shaped groove are formed in the inner wall of the lathe tool, the two groups of circular holes are formed in the inner wall of the upper side of the lathe tool, a screwing sleeve bolt is arranged in the circular hole, and a cylindrical groove is formed in the inner wall of the center of the screwing sleeve bolt.
Preferably, the inner cavity bottom surface of the circular hole is fixedly provided with a central limiting convex column, the outer surface of the central limiting convex column is movably connected with the inner surface of a cylindrical groove formed in the central inner wall of the screwing sleeve bolt, the outer ring surface of the screwing sleeve bolt is rotatably connected with the inner surface of the circular hole, two side inner walls of the screwing sleeve bolt are respectively provided with a reserved arc groove, the reserved arc grooves are of concave curve groove structures, and the inner surface of the reserved arc grooves is movably abutted to a locking push rod.
Preferably, the locking push rods are provided with two groups and are symmetrically distributed about the central axis of the screwing sleeve bolt, one end of each locking push rod, which is close to the screwing sleeve bolt, is provided with a round angle, the outer surface of each round angle is movably abutted to the inner surface of the corresponding reserved arc-shaped groove, and the outer surface of each locking push rod is movably connected with the inner surface of the corresponding limit T-shaped groove.
Preferably, the upper surface fixed mounting of locking push rod has fixed connection piece, the upside surface of fixed connection piece and the inboard top surface swing joint in spacing T type groove, the lateral surface fixedly connected with elastic block of fixed connection piece, the other end fixedly connected with of elastic block blocks the sealing piece, block sealing piece fixed mounting at the inboard top surface in spacing T type groove.
Preferably, locking grooves are respectively formed in the inner walls of the two sides of the side containing groove of the tool apron, and the inner surfaces of the locking grooves are movably inserted with the outer surfaces of the locking push rods.
Preferably, a lathe tool blade holder accommodating groove is formed in the inner central wall of the accommodating portion, the inner surface of the lathe tool blade holder accommodating groove is movably connected with the outer surface of the lathe tool blade holder, an electromagnetic block I is fixedly arranged on the bottom surface of an inner cavity of the lathe tool blade holder accommodating groove, an electromagnetic block II is electromagnetically connected to the upper side of the electromagnetic block I, and the electromagnetic block II is fixedly arranged on the lower bottom surface of the lathe tool blade holder.
Preferably, the two sides of the first electromagnetic block are provided with a telescopic sleeve rod and a return spring, the lower ends of the telescopic sleeve rod and the return spring are fixedly connected with the bottom surface of the inner cavity of the lathe tool holder accommodating groove, the outer surfaces of the upper ends of the telescopic sleeve rod and the return spring are respectively fixedly connected with the bottom surface of the lathe tool holder, and the return spring is slidably sleeved outside the telescopic sleeve rod.
Compared with the prior art, the invention has the beneficial effects that:
According to the combined double-sided lathe tool for deep hole machining of the lathe, the cutter bar and the lathe tool holder are designed in a split structure, so that the cutter bar can be used as a compensation block on the upper part of the accommodating part when the lathe tool holder is hidden, and can be used as a base of the double-sided lathe tool when the lathe tool holder extends out, milling of an upper plane and a lower plane of deep hole machining is realized, the problems that the existing lathe tool is limited in deep hole machining and single in functionality are solved, the cutter bar and the cutter holder can be combined in structural optimization, stable operation of the lathe tool during deep hole turning and milling is met, efficient storage of all parts during idle of the lathe tool is also met, independent storage is not needed, and the effect of one object is realized.
Drawings
FIG. 1 is a schematic view of a structure of a lathe tool holder of the present invention in a state of being hidden in a receiving portion;
FIG. 2 is a schematic diagram showing the state of the lathe tool holder extending out of the lathe tool holder;
FIG. 3 is a schematic view of a partially hidden cross-sectional structure of a turning tool holder of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present invention;
FIG. 5 is a schematic view of a connection structure between a receiving portion and a tool holder extending from a tool holder of the present invention;
FIG. 6 is a schematic view of a partial cross-sectional structure of the side double-sided turning tool assembly of the present invention after deployment;
FIG. 7 is a schematic view of a partial cross-sectional configuration of the received side double-sided turning tool assembly of the present invention;
FIG. 8 is an enlarged schematic view of the structure of FIG. 7B according to the present invention;
FIG. 9 is a schematic side view cross-sectional structure of the turning tool insert of the present invention;
FIG. 10 is a schematic view of a single set of edge-side double-sided turning tool assembly of the present invention;
FIG. 11 is a schematic side cross-sectional view of an edge-side double-sided turning tool assembly of the present invention;
FIG. 12 is an enlarged schematic view of the structure of FIG. 11 at C in accordance with the present invention;
FIG. 13 is a schematic view of an exploded view of the turning tool and the threading sleeve of the present invention;
Fig. 14 is a schematic view of the deep hole processing state structure of the present invention.
The tool comprises a tool bar, a clamping part 11, a holding part 12, a holding part 120, a tool holder holding groove, a 1200, a side groove, a 1201, a strip-shaped chip collecting frame, a2, a tool holder, a 21, a curved chute, a 22, a center screw drill, a 23, a side double-sided tool assembly, a 231, a column-shaped bolt, a 232, a screw fastening substrate, a 233, a lathe tool, a 234, a blade, a 24, a first electromagnetic block, a 241, a second electromagnetic block, a 242, a telescopic sleeve rod, 243, a return spring, a 20, a tool holder side holding groove, 2330, a circular hole, 2331, a center limiting convex column, a3, a screwing sleeve bolt, 30, a reserved arc groove, 31, a locking push rod, 311, a fixed connection sheet, 312, an elastic block, 313, a blocking sealing block, 23300, a limiting T-shaped groove, and a 201, a locking groove.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present invention more apparent, the embodiments of the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present invention, are intended to be illustrative only and not limiting of the embodiments of the present invention, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present invention.
Referring to fig. 1-14, the invention provides a technical scheme, which comprises a cutter bar 1 and a cutter holder 2 movably mounted at the upper end of the cutter bar, wherein the cutter bar 1 is formed by combining a clamping part 11 and a containing part 12, curved surface inclined grooves 21 are respectively arranged at two sides of the cutter holder 2, cutter holder side containing grooves 20 are respectively arranged at two opposite sides of the cutter holder 2, side double-sided cutter assemblies 23 are respectively movably mounted in each cutter holder side containing groove 20, two groups of side double-sided cutter assemblies 23 are arranged, a central thread drill 22 is arranged on the inner surface of the center of the upper end of the cutter holder 2, the cutter bar 1 and the cutter holder 2 are designed by adopting a split structure, so that the cutter holder 2 can be used as a base for compensating the upper part of the containing part 12 when in hiding, and can be used as a base for double-sided cutter holder when extending, thereby realizing the combined structure optimization of the cutter bar and the cutter holder, the cutter holder can be used for realizing stable operation of the cutter when the cutter holder and the cutter holder are in turning, and the stable operation of the cutter is satisfied, and the efficient storage of each part is not needed when the cutter is in idle milling.
In order to realize double-sided machining of a deep hole of a lathe and rapid storage of a double-sided lathe tool when the double-sided lathe tool is idle, the embodiment further provides that the side double-sided lathe tool assembly 23 comprises a column bolt 231, a thread fastening substrate 232 and a lathe tool 233, the thread fastening substrate 232 is detachably connected with the lathe tool 233, the inner surface of the thread fastening substrate 232 is in threaded connection with the outer surface of the column bolt 231, two ends of the column bolt 231 penetrate through the inner wall of a curved chute 21 and are in threaded connection with the inner wall of the curved chute 21;
In this embodiment, through the tool apron side accommodating grooves 20 formed on two sides of the tool apron 2, when two sets of side double-sided tool assemblies 23 are accommodated and deep holes are required to be processed in double sides, as shown in fig. 5-6, the column-shaped bolts 231 penetrate through one end of the screw fastening base 232 and extend to the inner wall of the curved chute 21 to be in screw fit with the screw fastening base 232 and the tool 233, so that the screw fastening base 232 and the tool 233 achieve fastening effect, as shown in fig. 6, the two sets of tools 233 are horizontal, one set of blades 234 face upwards, the other set of blades 234 face downwards, so that the two sets of blades 234 are positioned on two different horizontal planes, when the workpiece is fixed by the clamping piece and fed, the two sets of blades 234 are used for deep holes processing on the workpiece, and notably, the blades 234 are fixedly connected with the limiting mounting groove through bolts, and the bottom of the blades 234 are fixedly connected with each other, so that the two blades become a stable whole body, damage to the blades 234 in the locking process is prevented, and locking force can be increased, vibration of the blades 234 is reduced, so that stability of the tool apron is further improved, and when the two sets of blades 234 face to be positioned on the opposite sides of the tool apron side 23 are required to be positioned, and the whole side of the double-sided tool apron 23 is required to be rotated, and the whole side drilling tool apron side of the two-sided spindle assembly 23 is required to be rotated, and the whole side drilling tool assembly is required to be positioned to be used for carrying out opposite side-side drilling hole positioning of the opposite side drilling tool assembly 23, and the side opposite side drilling tool assembly 23.
Embodiment three, on the basis of embodiment two, in order to realize accomodating the locking of back side double-sided lathe tool subassembly 23 and blade holder avris storage tank 20, avoid unexpected popping up, this embodiment still proposes: the bottom surface of the inner cavity of the circular hole 2330 is fixedly provided with a central limiting convex column 2331, the outer surface of the central limiting convex column 2331 is movably connected with the inner surface of a cylindrical groove formed in the central inner wall of the screwing sleeve bolt 3, the outer ring surface of the screwing sleeve bolt 3 is rotatably connected with the inner surface of the circular hole 2330, the inner walls of the two sides of the screwing sleeve bolt 3 are respectively provided with a reserved arc groove 30, the reserved arc groove 30 is in a concave curve groove body structure, and the inner surface of the reserved arc groove 30 is movably abutted with a locking push rod 31; the locking push rods 31 are provided with two groups which are symmetrically distributed about the central axis of the screwing sleeve bolt 3, one end of each of the two groups of locking push rods 31, which is close to the screwing sleeve bolt 3, is provided with a round angle, the outer surface of each round angle is movably abutted with the inner surface of the corresponding reserved arc-shaped groove 30, and the outer surface of each locking push rod 31 is movably connected with the inner surface of the corresponding limit T-shaped groove 23300; the upper surface of the locking push rod 31 is fixedly provided with a fixed connecting sheet 311, the upper outer surface of the fixed connecting sheet 311 is movably connected with the inner side top surface of the limit T-shaped groove 23300, the outer side surface of the fixed connecting sheet 311 is fixedly connected with an elastic block 312, the other end of the elastic block 312 is fixedly connected with a blocking sealing block 313, and the blocking sealing block 313 is fixedly arranged on the inner side top surface of the limit T-shaped groove 23300; the inner walls of the two sides of the knife holder side containing groove 20 are respectively provided with a locking groove 201, and the inner surface of the locking groove 201 is movably inserted with the outer surface of the locking push rod 31; side grooves 1200 are respectively formed on two sides of the accommodating part 12, through grooves are formed on the inner walls of the lower sides of the side grooves 1200, and strip-shaped scrap collecting frames 1201 are detachably arranged on the outer surfaces of the through grooves;
In this embodiment, a circular hole 2330 is formed on the surface of the turning tool 233, for installing the screwing sleeve bolt 3, and a central limiting boss 2331 fixedly added to the bottom surface of the circular hole 2330 is used as a limiting member for installing the screwing sleeve bolt 3, when the side double-sided turning tool assembly 23 is completely accommodated inside the side accommodating groove 20 of the tool holder, the hand fastener rotates the screwing sleeve bolt 3 to the left or right by 90 ° at this time, the locking push rods 31 on both sides of the screwing sleeve bolt 3 are limited by the reserved arc grooves 30 and move relatively to both sides respectively, and the round corner parts of the locking push rods 31 are in contact with the outer ring surface of the screwing sleeve bolt 3 under the continuous rotation of the screwing sleeve bolt 3, and at the same time, the locking push rods 31 slide on the inner walls of the limiting T-shaped grooves 23300 respectively, and then are inserted into the inner sides of the locking grooves 201 respectively, so that the locking of the turning tool 233 is achieved and the situation of unexpected falling is prevented; it is noted that, through connecting the elastic block 312 on the upper surface of the locking push rod 31, when the locking push rod 31 moves outwards, the elastic block 312 applies a pressing force to the blocking seal 313, at this time, the elastic block 312 generates compression deformation, at this time, an effect of damping can be achieved through the elastic block 312, the condition that the locking push rod 31 shakes during the operation of the center screw drill 22 is avoided, and when the screwing sleeve bolt 3 is reversed to the initial position, the reserved arc groove 30 is located at two sides, the locking push rod 31 enters the reserved arc groove 30, at this time, the elastic block 312 can also provide a quick pull-back force for the locking push rod 31 when withdrawing, thereby realizing the quick release of the whole edge side double-sided lathe tool assembly 23 and the edge side receiving groove 20, the structure is simple, the safety is high, and it is to be noted that the center limiting convex column 2331 is covered with a rubber gasket by the outer ring, so that after the screwing sleeve bolt 3 is forced to rotate, there is a resistance of the rubber which does not cause the screw cap pin 3 to rotate spontaneously in the use state.
In order to realize that the whole turning tool holder 2 is hidden towards the middle part of the accommodating part 12 on the basis of the third embodiment, the embodiment also provides that a turning tool holder accommodating groove 120 is formed in the inner central wall of the accommodating part 12, the inner surface of the turning tool holder accommodating groove 120 is movably connected with the outer surface of the turning tool holder 2, an electromagnetic block I24 is fixedly arranged on the bottom surface of the inner cavity of the turning tool holder accommodating groove 120, an electromagnetic block II 241 is electromagnetically connected above the electromagnetic block I24, the electromagnetic block II 241 is fixedly arranged on the lower bottom surface of the turning tool holder 2, a telescopic sleeve rod 242 and a reset spring 243 are arranged on two sides of the electromagnetic block I24, the lower ends of the telescopic sleeve rod 242 and the reset spring 243 are fixedly connected with the bottom surface of the inner cavity of the turning tool holder accommodating groove 120, and the upper end outer surfaces of the telescopic sleeve rod 242 and the reset spring 243 are respectively fixedly connected with the bottom surface of the turning tool holder 2, and the reset spring 243 is sleeved outside the telescopic sleeve rod 242 in a sliding manner;
In this embodiment, when the whole lathe tool holder 2 needs to be stored in the inner cavity of the lathe tool holder accommodating groove 120, referring to fig. 3, when the lathe tool holder 2 extends out of the accommodating portion 12, the electromagnetic block one 24 is always electrified for use, specifically, the electromagnetic block one 24 always generates a repulsive force to the electromagnetic block two 241 in the electrified state, so that the electromagnetic block two 241 pushes the whole lathe tool holder 2 to be outwards separated, two sides of the holder side accommodating groove 20 are exposed, and at the same time, the electromagnetic block two 241 pushes the lathe tool holder 2 to outwards move, the telescopic sleeve rod 242 and the reset spring 243 are elastically stretched by the tensile force of the lathe tool holder 2 to play a role of guiding, limiting and buffering, and when the lathe tool holder 2 is completely pushed out, the curved chute 21 is also in an exposed state, and it is notable that the curved chute 21 is provided with an inclined plane, when the center of the hole diameter is drilled by using the center screw drill 22, generated fragments exist in the inclined plane formed by the curved chute 21 and the lathe tool holder 2, and accumulated fragments are jointly led out when the whole lathe tool holder 2 extends out of the accommodating portion 12; and as is clear from fig. 3, the inner cavity of the tool holder side receiving groove 20 is divided into two parts, one part is used for receiving the side double-sided turning tool assembly 23, and the other part is in a cavity state, and it is worth noting that when the cavity part of the tool holder side receiving groove 20 is not treated in time even if a certain piece is stored by the drilling operation of the blade 234, when the turning tool holder 2 is recovered to the inner cavity of the turning tool holder receiving groove 120, by disassembling the strip-shaped piece collecting frame 1201, the cavity position of the tool holder side receiving groove 20 is exposed, so that the timely cleaning of the accumulated piece can be realized, the damage of the blade 234 and the blocking condition of the turning tool holder receiving groove 120 are avoided, so blade holder avris accomodates groove 20 both can realize accomodating the cutter, and is applicable to the collection and the clearance of piece, and is multiple functional.
In actual use, the preparation of deep hole double-sided machining of a lathe comprises the steps of penetrating two ends of a columnar bolt 231 through the inner wall of a curved chute 21 and connecting the two ends with the curved chute in a threaded manner, ensuring that a cutter blade 234 is fixedly arranged in a limit mounting groove formed in one end of the cutter blade 233, which is far away from a threaded fastening substrate 232, adjusting two groups of cutter blade 233 and cutter blade 234 to relatively distributed positions, and ensuring that the two groups of cutter blade 233 and cutter blade 234 are positioned in two different horizontal planes so as to perform double-sided machining; step two, starting a cutter to integrally rotate a lathe, at the moment, processing the surface of a workpiece into a deep hole with two apertures by two groups of blades 234, step three, accommodating the cutter and locking, namely, reversely rotating a column bolt 231 after the processing is finished, integrally rotating an edge double-sided lathe tool assembly 23 downwards to the inner side of an edge accommodating groove 20 of a lathe tool, performing locking operation on a screwing sleeve bolt 3 installed on the surface of a lathe tool 233 through a circular hole 2330, manually buckling the screwing sleeve bolt 3 to the left or right by an angle of 90 degrees, enabling locking push rods 31 on two sides of the screwing sleeve bolt 3 to be limited by reserved arc grooves 30, respectively relatively moving to two sides and inserting into the inner side of a locking groove 201, and realizing locking, step four, integrally accommodating the lathe tool and clearing scraps, wherein when the lathe tool 2 is required to be integrally accommodated in the inner cavity of the lathe tool accommodating groove 120, the electromagnetic block 24 and the electromagnetic block 241 are ensured to be electrified and used, at the moment, the electromagnetic block 24 generates a repulsive force to the electromagnetic block 241, the whole of the lathe tool block 2 is outwards pushed out, after the lathe tool block 2 is completely pushed out of the lathe tool, the inclined surface 21 and the scraps in the tool accommodating groove 20 can be cleared up, and the scraps in the cavity can be cleared up simultaneously, the lathe tool blade holder 2 is integrally recycled to the inner cavity of the lathe tool blade holder accommodating groove 120, so that efficient storage of all parts is ensured when the lathe tool is idle, and independent storage is not required to be disassembled.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.