Horizontal multi-spindle deep hole drilling machine

Abstract

The present invention provides a horizontal multi-axis deep hole drilling machine, which solves the problem of unstable drilling quality when processing multiple workpieces, and includes a bed, a plurality of workpiece clamping drive mechanisms are installed above the bed, the workpiece clamping drive mechanism has a relatively arranged rotating collet assembly and a workpiece clamping assembly, the rotating collet assembly is slidably connected to the bed through a slide rail assembly, the workpiece clamping mechanism is equipped with a rotating drive assembly, a feed assembly that is opposite to the rotating collet assembly and is used to fix the gun drill is slidably connected to the slide rail assembly, a lead screw drive mechanism is arranged between the feed assembly and the bed, a cylinder drive mechanism is arranged between the rotating collet assembly and the workpiece clamping assembly, a feeding mechanism and a material changing mechanism are installed above the bed, and a chip removal device and a coolant filtering and recovering mechanism connected to the chip removal device are arranged below the bed. The present invention has the advantages of stable drilling quality and high processing efficiency.

Description

Technical Field

[0001] The invention belongs to the technical field of deep hole drilling machines, and in particular relates to a horizontal multi-axis deep hole drilling machine. Background Art

[0002] Deep hole drilling machines are different from traditional hole processing methods. They mainly rely on specific drilling technology (such as gun drilling, BTA drilling, ejector drilling, etc.) to drill deep hole systems and precision shallow holes with an aspect ratio greater than 10. Deep hole drilling machines are generally called deep hole drilling machines. Deep hole drilling machines are mostly horizontal and three-axis structures. Drilling machines usually have independent and complete cutting oil high pressure, cooling and filtration systems to ensure sufficient, clean and moderate temperature supply of cutting oil. Classification by movement form: the workpiece rotates, the tool feeds, the workpiece does not move, the tool rotates and feeds; the workpiece rotates, the tool rotates in the opposite direction and feeds. The specific method to be used depends on the characteristics of the workpiece and the situation of the processed hole. However, in actual use, conventional deep hole drilling machines cannot guarantee the positioning accuracy of the drill bit, and it is easy to offset when drilling. In addition, for drilling large quantities of workpieces, ordinary drilling machines cannot guarantee the stable drilling quality of each workpiece.

[0003] In order to solve the deficiencies of the existing technology, people have conducted long-term exploration and proposed various solutions. For example, a Chinese patent document discloses a deep hole processing drilling machine [201720466493.7], which includes a power head mechanism and a horizontal lathe installed on the rail surface of the drilling machine table, a drill bit is installed on the power head mechanism, and the horizontal lathe is used to clamp the workpiece to be processed, wherein a guide mechanism is arranged between the power head mechanism and the horizontal lathe, and a support mechanism is arranged between the guide mechanism and the power head mechanism;

[0004] The above solution solves the problem of insufficient drilling accuracy of deep hole drilling machines to a certain extent, but the solution still has many shortcomings, such as unstable drilling quality when processing multiple workpieces. Summary of the invention

[0005] The purpose of the present invention is to provide a horizontal multi-axis deep hole drilling machine with reasonable design and stable drilling quality in view of the above problems.

[0006] To achieve the above-mentioned purpose, the present invention adopts the following technical scheme: the horizontal multi-axis deep hole drilling machine comprises a bed, a plurality of workpiece clamping drive mechanisms are installed above the bed, the workpiece clamping drive mechanism comprises a relatively arranged rotating jacket assembly and a workpiece clamping assembly, the rotating jacket assembly is slidably connected to the bed through a slide rail assembly, the workpiece clamping assembly is equipped with a rotating drive assembly, a feed assembly which is opposite to the rotating jacket assembly and used to fix the gun drill is slidably connected to the slide rail assembly, a lead screw drive mechanism is arranged between the feed assembly and the bed, a cylinder drive mechanism is arranged between the rotating jacket assembly and the workpiece clamping assembly, a feeding mechanism and a material changing mechanism are installed above the bed, a chip removal device and a coolant filtering and recovering mechanism connected to the chip removal device are arranged below the bed. The plurality of workpiece clamping drive mechanisms are synchronously driven, the rotating jacket assembly and the workpiece clamping assembly are used to clamp the workpiece and are driven to rotate by the rotating drive assembly, the feed assembly realizes the feeding of the drill bit under the action of the lead screw drive mechanism, the workpiece rotates while the drill bit is fixed during drilling, thereby improving the stability of the drill bit when drilling deep holes, and thus improving the drilling quality.

[0007] In the above-mentioned horizontal multi-axis deep hole drilling machine, the slide rail assembly includes a linear rail extending laterally along the bed, a slider is slidably connected to the linear rail, a linear rail pressure block is arranged between the slider and the rotating jacket assembly and the feed assembly, a drag chain bracket is installed on the side of the bed, the drag chain fixed on the drag chain bracket is connected to the bracket plate installed on one side of the rotating jacket assembly and the feed assembly, and the bed is arranged in a protective shell as a whole. The slide rail assembly can realize the relative movement of the rotating jacket assembly and the rotating jacket assembly, so as to fix rod-shaped workpieces of different specifications. The rotating jacket assembly is used to fix the workpiece and guide the drill bit relative to the center of the workpiece to improve the accuracy of drilling. The drag chain on the drag chain bracket protects the pipeline and the line, and deforms with the movement of the rotating jacket assembly and the feed assembly.

[0008] In the above-mentioned horizontal multi-axis deep hole drilling machine, the rotating collet assembly includes a moving top block installed on the slide block, a main drill sleeve seat is installed in the moving top block, an auxiliary drill sleeve seat is rotatably installed inside the main drill sleeve seat, a bearing is arranged between the main drill sleeve seat and the auxiliary drill sleeve seat, an elastic chuck is installed inside the auxiliary drill sleeve seat, and a clamp is fixed at one end of the elastic chuck opposite to the workpiece clamping assembly, a pressure cover is installed between one end of the main drill sleeve seat and the auxiliary drill sleeve seat close to the workpiece clamping assembly, and a tail pressure is installed at the other end, and the inner side of the elastic chuck A drill sleeve core is installed, a chip guide sleeve is installed at one end of the movable top block away from the workpiece clamping assembly, an observation port is opened on the top of the chip guide sleeve and is closed by a card, a chip discharge port is opened below the chip guide sleeve, a first chip guide plate is installed on both sides of the chip discharge port, a through hole for the gun drill to pass through is opened at the center of the chip guide sleeve end, a rubber sleeve is arranged between the through hole and the gun drill, and the workpiece clamping assembly includes a power shaft seat installed on the bed, a driving spindle housing is installed in the power shaft seat, an inner bearing spacer is rotatably installed in the driving spindle housing, and a driving A bearing is arranged between the moving main shaft housing and the inner bearing spacer, and a driving main shaft core is installed in the inner bearing spacer, and a tightening cone sleeve is installed at the end of the driving main shaft core opposite to the rotating sleeve assembly, and a front pressure cover opposite to the tightening cone sleeve is installed between the driving main shaft core and the power shaft seat, and a middle spacer and a locking nut are arranged outside the driving main shaft core, and a tail stop is arranged between the end of the power shaft seat away from the rotating sleeve assembly and the driving main shaft housing, and the rotating driving assembly includes a main synchronous wheel fixed at the end of the driving main shaft core, a motor support plate and a belt cover plate that closes the main synchronous wheel are installed on the outside of the power shaft seat, a first driving motor is fixed on the outside of the motor support plate, an output end of the first driving motor extends into the motor support plate and is fixed with a secondary synchronous wheel, a transmission belt is sleeved between the main synchronous wheel and the secondary synchronous wheel, and a cylinder driving mechanism includes a thin cylinder fixed on the power shaft seat, the output end of the thin cylinder faces the rotating sleeve assembly and is fixed with a pull rod, a cylinder pull block is fixed on the pull rod, and the cylinder pull block is fixedly connected to the movable top block by bolts. The rotating collet assembly is used to fix the workpiece and guide the drill bit relative to the center of the workpiece to improve the accuracy of drilling. The chip guide sleeve prevents the drilling chips brought out by the drill bit from splashing and centralizes the chips for unified processing. The top cone sleeve at the end of the workpiece clamping assembly is suitable for clamping and fixing each bar material, and its internal bearing reduces its rotation resistance. The rotating drive assembly provides a rotational driving force for each workpiece clamping assembly to achieve synchronous rotation of the drill bit, which is suitable for large-scale parts processing. The cylinder drive mechanism drives the rotating collet assembly and the workpiece clamping assembly to move relative to each other and adjust the relative distance.

[0009] In the above-mentioned horizontal multi-axis deep hole drilling machine, the feed assembly includes a feed plate installed on the slide, a tool holder clamp seat is fixed above the feed plate, a fixing hole for fixing the gun drill is opened on the tool holder clamp seat, an adjustment handle is rotatably connected above the tool holder clamp seat and is opposite to the gun drill in the fixing hole, the lead screw drive mechanism includes a transmission pad installed above the bed, a vertically arranged reducer mounting plate is installed on the transmission pad, a lead screw motor and a reducer are installed on the reducer mounting plate, the output end of the reducer is connected to the transmission lead screw through a coupling, a bearing seat for the transmission lead screw to pass through is installed on the transmission pad, the other end of the transmission lead screw is connected to the bearing bracket fixed on the bed, a lead screw nut is threadedly connected to the transmission lead screw, and the lead screw nut is fixedly connected to the feed plate through the lead screw nut seat body. The adjustment handle on the feed assembly can realize the fixing of the drill bit, and realizes the alignment of the drill bit and the workpiece relative to the rotating sleeve assembly. The lead screw drive mechanism drives the feed assembly to feed, realizes the smooth feeding of the drill bit, and realizes the separation of the drill bit rotation and the feeding movement.

[0010] In the above-mentioned horizontal multi-axis deep hole drilling machine, the chip removal device includes a lower shell arranged under the bed, one end of the lower shell is connected to the upper shell through an inclined shell, a belt transmission mechanism is arranged between the lower shell, the inclined shell and the upper shell, the inner side of the lower shell is divided into a chip collection chamber and a coolant collection chamber by an isolation plate, and a plurality of collection ports connected to the coolant collection chamber are opened on both sides of the isolation plate, and a three-phase electric pump and a liquid level gauge symmetrically arranged relative to the coolant collection chamber are installed on the lower shell. The chip collection chamber cooperates with the belt transmission mechanism to transmit the chips, the coolant collection chamber outputs the coolant under the action of the three-phase electric pump, the collection port collects the coolant remaining in the chips, and the liquid level gauge detects the coolant level to ensure that there is sufficient space in the coolant collection chamber to collect the coolant, which has a good coolant collection effect.

[0011] In the above-mentioned horizontal multi-axis deep hole drilling machine, a plurality of chip removal openings are opened on the bed, and a chip guide opening with a width gradually decreasing from top to bottom is arranged below the chip removal opening, the upper opening of the chip collection chamber of the lower shell is opposite to the lower end of the chip guide opening, and the upper opening of the chip collection chamber of the lower shell is circumferentially surrounded by an inclined second chip guide plate, and a gap is left between the lower end of the second chip guide plate and the inner wall of the chip collection chamber, a partition frame is arranged in the lower shell, and a socket arranged on one side of the upper end of the partition frame is opened on the lower shell, and a filter plate covering the frame opening of the partition frame is inserted in the socket, and the collection opening is covered with a chip filter net, and sub-shells extending outward are respectively arranged on both sides of one end of the lower shell close to the inclined shell, and a three-phase electric pump and a liquid level meter are respectively installed on the sub-shells, and a fixed There are a number of universal wheels and support feet. L-shaped support bars are arranged on both sides above the debris collection chamber. The support bars extend along the axial direction of the debris collection chamber. C-shaped reinforcement ribs are arranged below the debris collection chamber. The two ends of the reinforcement ribs are fixed to the inner side of the coolant collection chamber. The liquid level meter includes a vertically arranged liquid level frame. A liquid level rod that can be raised and lowered relative to the liquid level frame is arranged in the liquid level frame. A liquid level block is fixed in the middle of the liquid level rod and a liquid level float is fixed at the lower end. The liquid level float is arranged in the coolant collection chamber. The belt transmission mechanism includes a second drive motor fixed above the upper shell. The second drive motor is connected to a transmission pulley rotatably connected in the upper shell through a pulley transmission mechanism. A transmission belt is sleeved on the transmission pulley and the transmission belt extends through the inclined shell to the lower shell. The chip discharge port and the chip guide port are arranged oppositely, and the chips and coolant are concentrated and input into the chip collection chamber for further separation and treatment. The second chip guide plate guides the splashing coolant and chips into the chip collection chamber. The chip collection chamber is a narrow upper and wide lower structure to prevent chips from popping out. A filter plate is inserted into the socket on one side of the partition frame to prevent debris from invading the three-phase electric pump. The support bar and reinforcing ribs improve the structural strength of the debris collection chamber, making it able to withstand the transmission of heavy debris. The auxiliary housing expands the coolant collection chamber without affecting the normal negative pressure liquid suction of the coolant collection chamber. The liquid level gauge promptly detects the amount of internal coolant to prevent excessive overflow of coolant. The lower housing is moved or fixed by universal wheels and support feet to adjust the position to match the bed. The belt transmission mechanism lifts the debris upward, and the coolant flows into the lower housing during the lifting process. The debris filter net is used to separate the coolant from the debris, and the collection port is not blocked when the belt transmission mechanism is running.

[0012] In the above-mentioned horizontal multi-axis deep hole drilling machine, the coolant filtering and recovery mechanism includes a cooling oil tank, in which a main cavity and a sub-cavity are interconnected, a liquid pump assembly and an air-cooled oil cooler connected to the liquid pump assembly are installed above the main cavity, a magnetic rod is inserted in the main cavity, a bag filter and an electric pump connected to the bag filter are installed above the sub-cavity, and a liquid level gauge is arranged in the sub-cavity. The cooling oil tank is used for temporary storage of coolant, wherein the magnetic rod removes iron debris, the bag filter removes fine impurities, and cooperates with the air-cooled oil cooler to quickly cool the input coolant, thereby realizing the recycling of coolant.

[0013] In the above-mentioned horizontal multi-axis deep hole drilling machine, the opening above the main cavity is closed by an oil suction cover plate and a cooling motor mounting plate, the liquid pump assembly is fixed on the cooling motor mounting plate, the magnetic rod is plugged and fixed on the oil suction cover plate, the middle of the cooling motor mounting plate has a raised plate that fits and fixes the liquid pump assembly, the oil suction cover plates are symmetrically arranged and have oil suction holes between them, the oil suction cover plate and the cooling motor mounting plate have heat dissipation holes arranged in a matrix, the liquid pump assembly includes an asynchronous motor mounted on the cooling motor mounting plate, the output end of the asynchronous motor is connected to the gear pump, the gear pump is equipped with an oil separator, and the opening above the auxiliary cavity is closed by an oil tank cap The plate is closed, the bag filter, the electric pump and the liquid level gauge are installed on the oil tank cover plate, a bell-shaped sleeve is provided on the outer side between the asynchronous motor and the gear pump, and an opening opposite to the output end of the asynchronous motor is provided on the side of the bell-shaped sleeve. A cooling frame is provided above the main cavity of the cooling oil tank, and the liquid pump assembly is provided between the cooling oil tank and the cooling frame. The air-cooled oil cooler is provided above the cooling frame, and the fan of the air-cooled oil cooler is provided above and the air outlet below is opposite to the liquid pump assembly. The inlet and outlet of the air-cooled oil cooler are respectively fixed with threaded short joints, and an oil outlet connected to the internal main cavity and the auxiliary cavity is provided below the cooling oil tank. The liquid pump assembly can increase the suction force of the air-cooled oil cooler, thereby introducing the cooled liquid into the main cavity for temporary storage. The raised plate facilitates the installation of the liquid pump assembly, and the heat dissipation hole is used for heat exchange of the coolant to avoid heat accumulation in the cooling oil tank. The asynchronous motor increases the driving force, and the oil distributor realizes the oil circuit distribution. The bell-shaped sleeve plays a good protective role on the rotating connection of the asynchronous motor to prevent the intrusion of impurities. The cooling frame lifts the air-cooled oil cooler, leaving sufficient installation space. The air volume output by the air-cooled oil cooler can dissipate heat for the liquid pump assembly. The air outlet is used for normal air diversion. The threaded short connector provides better sealing for the air-cooled oil cooler. The oil outlet can guide the remaining coolant in the cooling oil tank. The oil tank cover above the auxiliary cavity is used to install the bag filter, so that it cooperates with the magnetic rod to continuously circulate and filter the internal coolant.

[0014] In the above-mentioned horizontal multi-axis deep hole drilling machine, the feeding mechanism includes a feeding frame, a workpiece conveyor belt and a material receiving frame arranged at one end of the workpiece conveyor belt are installed above the feeding frame, a transmission motor is installed on the feeding frame and the transmission motor is connected to the workpiece conveyor belt through a pulley drive, a guardrail is arranged around the top of the workpiece conveyor belt, a relative pushing plate and a top block are installed on the feeding frame through a vertical lifting mechanism, and feeding lifting limit columns and feeding lifting limit seats that are plugged into each other are arranged between the pushing plate and the top block and the feeding frame, a horizontal moving mechanism is arranged between the pushing plate and the vertical lifting mechanism, and limiting side plates arranged on both sides of the pushing plate and the top block are installed above the feeding frame through a slider assembly, a plurality of limiting notches opposite to the workpiece are opened on the pushing plate, and a material receiving notch opposite to the material receiving plate inclined on the inner side of the limiting side plate is opened on the top block, and an adjusting plate with a limiting notch on the upper side and arranged on one side of the pushing plate is arranged on the inner side of the limiting side plate. The feeding mechanism provides continuous and stable material supply for the drilling machine, which enables multiple workpieces to be in place at the same time, making it convenient for the material changing mechanism to clamp and transport materials.

[0015] In the above-mentioned horizontal multi-axis deep hole drilling machine, the material changing mechanism includes support columns fixed on both sides above the bed, support plates are fixed between the tops of the support columns, a material changing rack is connected to the bottom of the support plates through a bottom pad, a material changing seat is connected to the bottom and side of the material changing rack through a slider guide, a gear rack drive mechanism is arranged between the material changing seat and the material changing rack, the material changing seat is connected to a lifting plate through a vertically arranged material changing cylinder, and mutually plugged material changing lifting limit columns and a material changing lifting limit seat are arranged between the lifting plate and the material changing seat, a number of pneumatic clamps are fixed under the lifting plate, and one side of the material changing seat is connected to the outer cavity drag plate through an outer cavity drag chain. The material changing mechanism is used to clamp the moving workpiece, and can clamp multiple workpieces at a time, and cooperate with the drilling machine to obtain higher working efficiency.

[0016] Compared with the existing technology, the advantages of the present invention are: the workpiece rotates while the drill bit is fixed during drilling, and multiple sets of rotating jacket assemblies realize the positioning of the drill bit and the workpiece, thereby improving the drilling stability and the drilling quality; the coolant collection chamber, the three-phase electric pump and the liquid level meter cooperate to ensure that the chip removal device has a good coolant collection effect; the air-cooled oil cooler, the bag filter and the magnetic rod can continuously cool and filter the coolant, thereby obtaining a higher coolant utilization rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the present invention;

[0018] Figure 2 It is a structural schematic diagram of the material changing mechanism of the present invention;

[0019] Figure 3 is a structural schematic diagram of the material changing mechanism of the present invention from another perspective;

[0020] Figure 4It is a structural schematic diagram of the feeding mechanism of the present invention;

[0021] Figure 5 is a structural schematic diagram of the feeding mechanism of the present invention from another perspective;

[0022] Figure 6 It is a structural schematic diagram of the workpiece clamping drive mechanism of the present invention;

[0023] Figure 7 is a partial cross-sectional view of the motor support plate of the present invention;

[0024] Figure 8 is a partial cross-sectional view of a rotating jacket assembly of the present invention;

[0025] Fig. 9 is a partial cross-sectional view of a workpiece clamping assembly of the present invention;

[0026] Fig.10 It is a schematic structural diagram of a chip removal device of the present invention;

[0027] Fig.11 It is a structural sectional view of the bed and the lower shell of the present invention;

[0028] Fig.12 is a structural sectional view of a chip removal device of the present invention;

[0029] Fig.13 It is a structural schematic diagram of the liquid level meter of the present invention;

[0030] Fig.14 It is a structural schematic diagram of the coolant filtering and recovering mechanism of the present invention;

[0031] Fig.15 is a structural schematic diagram of the coolant filtering and recycling mechanism of the present invention from another perspective;

[0032] Fig.16 It is a schematic structural diagram of the cooling oil tank of the present invention;

[0033] In the figure, the bed 1, the rotating collet assembly 22, the movable top block 221, the main drill sleeve seat 222, the auxiliary drill sleeve seat 223, the elastic collet 224, the clip 225, the pressure cover 226, the tail pressure 227, the drill sleeve core 228, the workpiece clamping assembly 23, the power shaft seat 231, the driving spindle housing 232, the inner bearing spacer 233, the driving spindle core 234, the top cone sleeve 235, the front pressure cover 236, the middle spacer 237, the locking nut 238, the tail stop 239, the slide rail assembly 24, the linear rail 241, the slider 242, the linear rail pressure block 243, the rotation drive assembly 25, the main synchronous wheel 251, the motor bracket plate 252, the belt cover plate 253, the first drive motor 254, the auxiliary synchronous wheel 255, the transmission belt 256, the screw drive mechanism 26, Transmission pad 261, reducer mounting plate 262, screw motor 263, reducer 264, coupling 265, transmission screw 266, bearing seat 267, bearing bracket 268, screw nut 269, screw nut seat 2691, cylinder drive mechanism 27, thin cylinder 271, pull rod 272, cylinder pull block 273, chip guide sleeve 28, card 281, first chip guide plate 282, rubber sleeve 283, drag chain bracket 29, drag chain 291, bracket plate 292, feeding mechanism 3, feeding frame 31, workpiece conveyor belt 32, material receiving frame 321, guardrail 322, transmission motor 33, pulley transmission 331, vertical lifting mechanism 34, push plate 341, top block 342, feed lifting limit column 343, feed lifting limit seat 344, horizontal moving mechanism 35, slider assembly 36, limiting side plate 361, limiting notch 362, receiving plate 363, receiving notch 364, adjusting plate 365, material changing mechanism 4, supporting column 41, supporting column plate 42, bottom plate 43, material changing rack 44, slider guide rail 45, material changing seat 46, lifting plate 461, material changing lifting limiting column 462, material changing lifting limiting seat 463, gear rack drive mechanism 47, material changing cylinder 48, pneumatic clamp 49, protective shell 5, chip removal device 6, lower shell 62, second chip guide plate 621, partition frame 622, socket 623, filter plate 624, inclined shell 63, upper shell 64, belt transmission mechanism 65, second drive motor 651, pulley transmission mechanism 652, transmission pulley 653, conveyor belt 654, isolation plate 66, debris collection chamber 661, coolant collection chamber 662, collection port 663, support bar 664, reinforcing rib 665, auxiliary housing 666, filter debris net 667, three-phase electric pump 67, liquid level meter 68, liquid level rack 681, liquid level rod 682, liquid level block 683, liquid level float 684, chip discharge port 69, chip guide port 691, coolant filtration and recovery mechanism 7, cooling oil tank 71, main cavity 711, auxiliary cavity 712, oil suction cover plate 713, cooling motor mounting plate 714, raised plate 715, oil suction hole 716, heat dissipation hole 717, oil outlet 718, oil tank cover plate 719, liquid pump assembly 72, asynchronous motor 721, gear pump 722, oil separator block 723, bell sleeve 724,Air-cooled oil cooler 73, threaded short joint 731, magnetic rod 74, bag filter 75, electric pump 76, cavity liquid level gauge 77, cooling frame 78. DETAILED DESCRIPTION

[0034] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0035] like Figure 1-16 As shown, the horizontal multi-axis deep hole drilling machine includes a bed 1, and a plurality of workpiece clamping drive mechanisms are installed above the bed 1. The workpiece clamping drive mechanism has a rotating jacket assembly 22 and a workpiece clamping assembly 23 that are relatively arranged. The rotating jacket assembly 22 is slidably connected to the bed 1 through a slide rail assembly 24. The workpiece clamping assembly 23 is equipped with a rotating drive assembly 25. A feed assembly that is opposite to the rotating jacket assembly 22 and is used to fix the gun drill is slidably connected to the slide rail assembly 24. A screw drive mechanism 26 is arranged between the feed assembly and the bed 1, and a cylinder drive mechanism 27 is arranged between the rotating jacket assembly 22 and the workpiece clamping assembly 23. A feeding mechanism 3 and a material changing mechanism 4 are installed above the bed, and a chip removal device 6 and a coolant filtering and recovery mechanism 7 connected to the chip removal device 6 are arranged below the bed 1. The workpiece clamping assembly 23 is relatively fixed to the bed 1, and the rotating sleeve assembly 22 slides relative to the bed 1 to adjust the relative distance with the workpiece clamping assembly 23 through the slide rail assembly 24 and the cylinder drive mechanism 27. The bar workpiece is clamped and fixed between the rotating sleeve assembly 22 and the workpiece clamping assembly 23. The screw drive mechanism 26 drives the feed assembly to slide relative to the bed 1, wherein a drill bit opposite to the rotating sleeve assembly 22 is fixed on the feed assembly, and the drill bit is inserted into the rotating sleeve assembly 22 opposite to the workpiece processing surface. The rotating drive assembly 25 drives the workpiece to rotate, and the drill bit is fixed circumferentially and fed axially to drill the workpiece.

[0036] Specifically, the slide rail assembly 24 includes a linear rail 241 extending laterally along the bed 1, a slider 242 is slidably connected to the linear rail 241, a linear rail pressing block 243 is arranged between the slider 242 and the rotating jacket assembly 22 and the feeding assembly, a drag chain bracket 29 is installed on the side of the bed 1, a drag chain 291 fixed on the drag chain bracket 29 is connected to a bracket plate 292 installed on one side of the rotating jacket assembly 22 and the feeding assembly, and the bed 1 is arranged in the protective housing 5 as a whole. The slider 242 slides relative to the linear rail 241, so that the rotating jacket assembly 22 and the feeding assembly move in the same axial direction.

[0037] In depth, the rotating sleeve assembly 22 includes a moving top block 221 installed on the slider 242, a main drill sleeve seat 222 is installed in the moving top block 221, an auxiliary drill sleeve seat 223 is rotatably installed inside the main drill sleeve seat 222, a bearing is arranged between the main drill sleeve seat and the auxiliary drill sleeve seat 223, an elastic chuck 224 is installed inside the auxiliary drill sleeve seat 223, and a clamping piece 225 is fixed at the end of the elastic chuck 224 opposite to the workpiece clamping assembly 23, a pressure cover 226 is installed between the main drill sleeve seat 222 and the auxiliary drill sleeve seat 223 close to one end of the workpiece clamping assembly 23, and a tail pressure 227 is installed at the other end, and a drill sleeve core 228 is installed inside the elastic chuck 224 A chip guide sleeve 28 is installed at one end of the movable top block 221 away from the workpiece clamping assembly 23, an observation port is opened on the top of the chip guide sleeve 28 and is closed by a card 281, a chip discharge port is opened below the chip guide sleeve 28, and first chip guide plates 282 are installed on both sides of the chip discharge port. A through hole for a gun drill to pass through is opened at the center of the end of the chip guide sleeve 28, and a rubber sleeve 283 is arranged between the through hole and the gun drill. The workpiece clamping assembly 23 includes a power shaft seat 231 installed on the bed 1, a driving spindle housing 232 is installed in the power shaft seat 231, an inner bearing spacer 233 is rotatably installed in the driving spindle housing 232, and a spacer is arranged between the driving spindle housing 232 and the inner bearing spacer 233. A bearing is arranged, a driving spindle core 234 is installed in the inner bearing spacer 233, a tightening cone sleeve 235 is installed at the end of the driving spindle core 234 opposite to the rotating sleeve assembly 22, a front pressure cover 236 opposite to the tightening cone sleeve 235 is installed between the driving spindle core 234 and the power shaft seat 231, a middle spacer 237 and a locking nut 238 are arranged on the outer sleeve of the driving spindle core 234, a tail stop 239 is arranged between the end of the power shaft seat 231 away from the rotating sleeve assembly 22 and the driving spindle housing 232, the rotating driving assembly 25 includes a main synchronous wheel 251 fixed at the end of the driving spindle core 234, and a main synchronous wheel 251 is installed on the outer side of the power shaft seat 231. The step wheel 251 is enclosed by a motor support plate 252 and a belt cover plate 253. A first drive motor 254 is fixed on the outside of the motor support plate 252. The output end of the first drive motor 254 extends into the motor support plate 252 and is fixed with a secondary synchronous wheel 255. A transmission belt 256 is sleeved between the main synchronous wheel 251 and the secondary synchronous wheel 255. The cylinder drive mechanism 27 includes a thin cylinder 271 fixed on the power shaft seat 231. The output end of the thin cylinder 271 faces the rotating jacket assembly 22 and is fixed with a pull rod 272. A cylinder pull block 273 is fixed on the pull rod 272. The cylinder pull block 273 is fixedly connected to the moving top block 221 by bolts. The bearings between the main drill sleeve seat 222 and the secondary drill sleeve seat 223 reduce the rotational friction. A pressure cover 226 and a tail pressure 227 are respectively provided at the front and rear to play a sealing role. The chip discharge port below the chip guide sleeve 28 is opposite to the bed 1, and the rubber sleeve 283 in the through hole prevents debris from entering the through hole. The tightening cone sleeve 235 is opposite to the clamping piece 225 of the elastic clamping head 224 in the rotating clamping sleeve assembly 22, and clamps the front and rear ends of the bar workpiece.The auxiliary synchronous wheel 255 in the rotating drive assembly 25 can cooperate with multiple main synchronous wheels 251 to achieve synchronous transmission, thereby achieving synchronous processing of multiple workpieces and improving their drilling efficiency. The thin cylinder 271 drives the moving top block 221 to move, which can realize the clamping and fixing of the workpiece by the rotating collet assembly 22 and the workpiece clamping assembly 23.

[0038] Furthermore, the feed assembly includes a feed plate installed on the slider 242, a tool holder clamp is fixed above the feed plate, a fixing hole for fixing the gun drill is opened on the tool holder clamp, an adjustment handle opposite to the gun drill in the fixing hole is rotatably connected above the tool holder clamp, the screw drive mechanism 26 includes a transmission pad 261 installed above the bed 1, a vertically arranged reducer mounting plate 262 is installed on the transmission pad 261, a screw motor 263 and a reducer 264 are installed on the reducer mounting plate 262, the output end of the reducer 264 is connected to the transmission screw 266 through a coupling 265, a bearing seat 267 for the transmission screw 266 to pass through is installed on the transmission pad 261, the other end of the transmission screw 266 is connected to a bearing bracket 268 fixed on the bed 1, a screw nut 269 is threadedly connected to the transmission screw 266, and the screw nut 269 is fixedly connected to the feed plate through a screw nut seat 2691. The adjusting handle is turned to clamp the gun drill in the fixed hole, so that the ends of each drill bit are flush, and the workpiece is processed synchronously. The screw motor 263 and the reducer 264 in the screw drive mechanism 26 are connected to achieve smooth feeding of the screw nut seat body 2691 and the feeding assembly, with good feeding accuracy.

[0039] Furthermore, the chip removal device 6 includes a lower shell 62 disposed below the bed 1, one end of the lower shell 62 is connected to the upper shell 64 through an inclined shell 63, a belt transmission mechanism 65 is disposed between the lower shell 62, the inclined shell 63 and the upper shell 64, the inner side of the lower shell 62 is divided into a chip collection chamber 661 and a coolant collection chamber 662 by an isolation plate 66, a plurality of collection ports 663 communicating with the coolant collection chamber 662 are provided on both sides of the isolation plate 66, and a three-phase electric pump 67 and a liquid level meter 68 symmetrically disposed relative to the coolant collection chamber 662 are installed on the lower shell 62. The belt transmission mechanism 65 transmits the chips collected in the chip collection chamber 661 along the inclined shell 63 to the upper shell 64 and discharges them, the coolant flows into the coolant collection chamber 662 through the collection port 663, and the coolant is extracted for recycling under the action of the three-phase electric pump 67.

[0040] In addition, a plurality of chip removal openings 69 are provided on the bed 1, and a chip guide opening 691 whose width gradually decreases from top to bottom is provided below the chip removal opening 69, and the upper opening of the chip collection chamber 661 of the lower shell 62 is opposite to the lower end of the chip guide opening 691, and the upper opening of the chip collection chamber 661 of the lower shell 62 is circumferentially surrounded by an inclined second chip guide plate 621, and a gap is left between the lower end of the second chip guide plate 621 and the inner wall of the chip collection chamber 661, and a partition is provided in the lower shell 62. The lower shell 62 is provided with a socket 623 arranged on one side of the upper end of the partition frame 622, and a filter plate 624 covering the frame opening of the partition frame 622 is inserted into the socket 623. The collecting port 663 is covered with a filter screen 667. The lower shell 62 is provided with a sub-shell 666 extending outward on both sides of one end close to the inclined shell 63, and a three-phase electric pump 67 and a liquid level meter 68 are respectively installed on the sub-shell 666. A plurality of universal wheels are fixed below the lower shell 62 to The debris collection chamber 661 is provided with L-shaped support bars 664 on both sides above the debris collection chamber 661, and the support bars 664 extend along the axial direction of the debris collection chamber 661. A C-shaped reinforcing rib 665 is provided below the debris collection chamber 661, and both ends of the reinforcing rib 665 are fixed to the inner side of the coolant collection chamber 662. The liquid level gauge 68 includes a vertically arranged liquid level frame 681, and a liquid level rod 682 that can be raised and lowered relative to the liquid level frame 681 is provided in the liquid level frame 681, and a liquid is fixed in the middle of the liquid level rod 682. The lower end of the positioning block 683 is fixed with a liquid level float 684, which is arranged in the coolant collection chamber 662. The belt transmission mechanism 65 includes a second drive motor 651 fixed above the upper shell 64. The second drive motor 651 is connected to a transmission pulley 653 rotatably connected in the upper shell 64 through a pulley transmission mechanism 652. A transmission belt 654 is sleeved on the transmission pulley 653 and the transmission belt 654 extends into the lower shell 62 through the inclined shell 63. The two sides of the chip guide port 691 are conical surfaces, which guide the chips and coolant into the open opening of the lower shell 62. The second chip guide plate 621 guides the coolant and chips into the chip collection chamber 661. The spacing at the lower end of the second chip guide plate 621 hides the collection port 663 to prevent the chips from falling directly into the collection port 663 and causing blockage. The filter plate 624 in the socket 623 can be replaced according to actual needs, and the coolant collection chamber 662 is separated by the filter plate 624. The support bar 664 has an L-shaped cross section and is symmetrical with respect to the debris collection chamber 661, wherein the second chip guide plate 621 is fixed on the support bar 664, wherein the reinforcing rib 665 supports the debris collection chamber 661, and the two ends are welded and fixed to the lower shell 62. The auxiliary shell 666 is symmetrically arranged with respect to the lower shell 62 and is located outside the bed 61, and does not affect the installation of the three-phase electric pump 67 and the liquid level meter 68. The liquid level rod 682 rises and falls under the buoyancy of the liquid level float 684, wherein the liquid level block 683 indicates the liquid level height. After the lower shell 62 is moved to the bottom of the bed 1 through the universal wheel, the support foot is adjusted to fix it to the ground.The transmission belt wheel 653 rotates to drive the transmission belt 654 to lift the debris upward, and the two sides of the transmission belt 654 are in contact with the inner wall of the shell, which does not affect the coolant from leaking from both sides into the coolant collection chamber 662. The debris filter net 667 closes the collection port 663 and performs preliminary filtering on the coolant to prevent the debris from falling onto the belt transmission mechanism 65 and then bouncing into the collection port 663.

[0041] Meanwhile, the cooling liquid filtering and recovery mechanism 7 comprises a cooling oil tank 71, in which a main cavity 711 and a sub-cavity 712 are connected to each other, a liquid pump assembly 72 and an air-cooled oil cooler 73 connected to the liquid pump assembly 72 are installed above the main cavity 711, a magnetic rod 74 is inserted into the main cavity 711, a bag filter 75 and an electric pump 76 connected to the bag filter 75 are installed above the sub-cavity 712, and a cavity liquid level gauge 77 is arranged in the sub-cavity 712. The liquid pump assembly 72 drives the air-cooled oil cooler 73 to cool the cooling liquid and input it into the main cavity 711, and the bag filter 75 and the magnetic rod 74 filter the cooling liquid in the main cavity 711, remove the internal impurities and then introduce it into the sub-cavity 712, thereby realizing the recycling of the cooling liquid.

[0042] It can be seen that the upper opening of the main cavity 711 is closed by the oil suction cover plate 713 and the cooling motor mounting plate 714, the liquid pump assembly 72 is fixed on the cooling motor mounting plate 714, the magnetic rod 74 is plugged and fixed on the oil suction cover plate 713, the middle part of the cooling motor mounting plate 714 has a raised plate 715 that fits and fixes with the liquid pump assembly 72, the oil suction cover plates 713 are symmetrically arranged and have oil suction holes 716 between them, the oil suction cover plates 713 and the cooling motor mounting plate 714 have heat dissipation holes 717 arranged in a matrix, the liquid pump assembly 72 includes an asynchronous motor 721 installed on the cooling motor mounting plate 714, the output end of the asynchronous motor 721 is connected to the gear pump 722, the gear pump 722 is equipped with an oil separator 723, and the upper opening of the auxiliary cavity 712 is closed by the oil tank cover plate 719 The bag filter 75, the electric pump 76 and the cavity liquid level gauge 77 are installed on the oil tank cover 719. A bell-shaped sleeve 724 is provided on the outer side between the asynchronous motor 721 and the gear pump 722. The bell-shaped sleeve 724 has an opening on the side opposite to the output end of the asynchronous motor 721. A cooling frame 78 is installed above the main cavity 711 of the cooling oil tank 71. The liquid pump assembly 72 is arranged between the cooling oil tank 71 and the cooling frame 78. The air-cooled oil cooler 73 is installed above the cooling frame 78. The fan of the air-cooled oil cooler 73 is arranged above and the air outlet below is opposite to the liquid pump assembly 72. The inlet and outlet of the air-cooled oil cooler 73 are respectively fixed with threaded short joints 731. The cooling oil tank 71 has an oil outlet 718 connected to the internal main cavity 711 and the auxiliary cavity 712 below. The magnetic rod 74 extends into the main cavity 711 to absorb the free iron debris in the oil. The oil suction hole 716 on the oil suction cover plate 713 is used for the pipeline to be inserted and communicated with the main cavity 711, and the heat dissipation holes 717 on the oil suction cover plate 713 and the cooling motor mounting plate 714 make the cooling oil tank 71 a semi-open structure. The asynchronous motor 721 provides torque for the gear pump 722, so that the oil is introduced into the oil distribution block 723 for distribution. The bell sleeve 724 is fixedly connected to the asynchronous motor 721 and the gear pump 722, and the rotating shaft is arranged inside the bell sleeve 724. The cooling frame 78 lifts the air-cooled oil cooler 73 upward to leave installation space for the liquid pump assembly 72, so as to utilize the flowing air blown out by the air-cooled oil cooler 73. The liquid pump assembly 72 is arranged opposite to the air-cooled oil cooler 73, and the heat dissipation holes 717 on the oil suction cover plate 713 and the cooling motor mounting plate 714 below accelerate heat dissipation. The threaded short joint 731 is used for tightening and fixing the pipeline thread, and a sealing structure can be added between them to improve the connection sealing. The oil outlet 718 is arranged at one side of the bottom of the main cavity 711 and the auxiliary cavity 712, and is used to drain the coolant in the cooling oil tank 71. The oil tank cover 719 seals the upper part of the auxiliary cavity 712, wherein the auxiliary cavity 712 is connected with the main cavity 711, and the coolant can be exchanged normally.

[0043] It is obvious that the feeding mechanism 3 includes a feeding frame 31, a workpiece conveyor belt 32 and a material receiving frame 321 arranged at one end of the workpiece conveyor belt 32 are installed above the feeding frame 31, a transmission motor 33 is installed on the feeding frame 31 and the transmission motor 33 is connected to the workpiece conveyor belt 32 through a pulley transmission 331, a guardrail 322 is arranged around the workpiece conveyor belt 32, and a relative push plate 341 and a top block 342 are installed on the feeding frame 31 through a vertical lifting mechanism 34, and a feed lifting limit column 321 that is plugged into each other is arranged between the push plate 341 and the top block 342 and the feeding frame 31. 43 and a feed lifting limit seat 344, a horizontal moving mechanism 35 is arranged between the push plate 341 and the vertical lifting mechanism 34, and a limit side plate 361 arranged on both sides of the push plate 341 and the top block 342 is installed above the feed frame 31 through a slider assembly 36, a plurality of limit notches 362 opposite to the workpiece are opened on the push plate 341, and a receiving notch 364 opposite to the receiving plate 363 inclinedly arranged on the inner side of the limit side plate 361 is opened on the top block 342, and an adjustment plate 365 with a limit notch 362 on the upper side and arranged on one side of the push plate 341 is arranged on the inner side of the limit side plate 361. The vertical lifting mechanism 34 in the feed mechanism 3 drives the top block 342 to transfer the workpiece to the top of the adjustment plate 365, and the push plate 341 lifts the workpiece, which is convenient for the material changing mechanism 4 to clamp the workpiece.

[0044] Preferably, the material changing mechanism 4 includes support columns 41 fixed on both sides above the bed 1, support plates 42 are fixed between the tops of the support columns 41, a material changing rack 44 is connected to the bottom of the support plates 42 through a bottom pad 43, a material changing seat 46 is connected to the bottom and side of the material changing rack 44 through a slider guide 45, a gear rack drive mechanism 47 is arranged between the material changing seat 46 and the material changing rack 44, the material changing seat 46 is connected to a lifting plate 461 through a vertically arranged material changing cylinder 48, a material changing lifting limit column 462 and a material changing lifting limit seat 463 that are plugged into each other are arranged between the lifting plate 461 and the material changing seat 46, a plurality of pneumatic clamps 49 are fixed below the lifting plate 461, and one side of the material changing seat 46 is connected to the outer cavity drag plate through an outer cavity drag chain. The slider guide 45 in the material changing mechanism 4 drives the material changing seat 46 to slide axially under the action of the gear rack driving mechanism 47, and the material changing cylinder 48 drives the lifting plate 461 to move up and down. After the pneumatic clamp 49 is in place, it clamps and fixes the workpiece, so that the workpiece is transferred between the drilling machine and the feeding mechanism 3.

[0045] To sum up, the principle of this embodiment is that the drilling machine bed 1 adopts a horizontal structure, and a plurality of workpiece clamping drive mechanisms are arranged on the top, each workpiece clamping drive mechanism has a plurality of rotating sleeve assemblies 22 and a workpiece clamping assembly 23, and the workpiece clamping height is between the rotating sleeve assembly 22 and the workpiece clamping assembly 23. The gun drill is inserted into the rotating sleeve assembly 22 opposite to the workpiece processing surface. Under the action of the rotating drive assembly 25, the workpiece rotates circumferentially, and the drill bit is fed axially, so that multiple workpieces can be drilled synchronously.

[0046] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0047] Although this article uses more bed 1, rotating collet assembly 22, moving top block 221, main drill sleeve seat 222, auxiliary drill sleeve seat 223, elastic collet 224, clip 225, pressure cover 226, tail pressure 227, drill sleeve core 228, workpiece clamping assembly 23, power shaft seat 231, driving spindle housing 232, inner bearing spacer 233, driving spindle core 234, top cone sleeve 235, front pressure cover 236, middle spacer 237, locking nut 238, tail stop 239, slide rail assembly 24, linear rail 241, slider 242, linear rail pressure block 243, rotating drive assembly 25, main synchronous wheel 251, motor bracket plate 252, belt cover plate 253, first drive motor 254, auxiliary synchronous wheel 255, transmission belt 256, screw Driving mechanism 26, transmission pad 261, reducer mounting plate 262, screw motor 263, reducer 264, coupling 265, transmission screw 266, bearing seat 267, bearing bracket 268, screw nut 269, screw nut seat 2691, cylinder driving mechanism 27, thin cylinder 271, pull rod 272, cylinder pull block 273, chip guide sleeve 28, card 281, first chip guide plate 282, rubber sleeve 283, drag chain bracket 29, drag chain 291, bracket plate 292, feeding mechanism 3, feeding frame 31, workpiece conveyor belt 32, material receiving frame 321, guardrail 322, transmission motor 33, pulley drive 331, vertical lifting mechanism 34, push plate 341, top block 342, feed lifting limit column 34 3. Feed lifting limit seat 344, horizontal movement mechanism 35, slider assembly 36, limit side plate 361, limit notch 362, receiving plate 363, receiving notch 364, adjustment plate 365, material changing mechanism 4, support column 41, support plate 42, bottom plate 43, material changing rack 44, slider guide 45, material changing seat 46, lifting plate 461, material changing lifting limit column 462, material changing lifting limit seat 463, gear rack drive mechanism 47, material changing cylinder 48, pneumatic clamp 49, protective shell 5, chip removal device 6, lower shell 62, second chip guide plate 621, partition frame 622, socket 623, filter plate 624, inclined shell 63, upper shell 64, belt transmission mechanism 65, second drive motor 651, pulley transmission mechanism 6 52, transmission pulley 653, transmission belt 654, isolation plate 66, debris collection chamber 661, coolant collection chamber 662, collection port 663, support bar 664, reinforcing rib 665, auxiliary housing 666, filter chip net 667, three-phase electric pump 67, liquid level meter 68, liquid level rack 681, liquid level rod 682, liquid level block 683, liquid level float 684, chip discharge port 69, chip guide port 691, coolant filtration and recovery mechanism 7, cooling oil tank 71, main cavity 711, auxiliary cavity 712, oil suction cover plate 713, cooling motor mounting plate 714, raised plate 715, oil suction hole 716, heat dissipation hole 717, oil outlet 718, oil tank cover plate 719, liquid pump assembly 72, asynchronous motor 721, gear pump 722, oil separator block 723,Bell housing 724, air-cooled oil cooler 73, threaded short connector 731, magnetic rod 74, bag filter 75, electric pump 76, cavity liquid level gauge 77, cooling frame 78 and other terms are used, but the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the present invention; interpreting them as any additional restrictions is contrary to the spirit of the present invention.

Claims

1. A horizontal multi-axis deep hole drilling machine, comprising a bed (1), wherein a plurality of workpiece clamping drive mechanisms are mounted above the bed (1), wherein the workpiece clamping drive mechanisms comprise a rotating collet assembly (22) and a workpiece clamping assembly (23) arranged opposite to each other, wherein: The rotating collet assembly (22) is slidably connected to the bed (1) via a slide rail assembly (24); the workpiece clamping assembly (23) is equipped with a rotation drive assembly (25); a feed assembly opposite to the rotating collet assembly (22) and used to fix the gun drill is slidably connected to the slide rail assembly (24); a screw drive mechanism (26) is provided between the feed assembly and the bed (1); a cylinder drive mechanism (27) is provided between the rotating collet assembly (22) and the workpiece clamping assembly (23); a feeding mechanism (3) and a material changing mechanism (4) are installed above the bed; a chip removal device (6) and a coolant filtering and recovering mechanism (7) connected to the chip removal device (6) are provided below the bed (1); The slide rail assembly (24) comprises a linear rail (241) extending laterally along the bed (1), a slider (242) being slidably connected to the linear rail (241), a linear rail pressing block (243) being arranged between the slider (242) and the rotating jacket assembly (22) and the feed assembly, a drag chain bracket (29) being installed on the side of the bed (1), a drag chain (291) fixed on the drag chain bracket (29) being connected to a bracket plate (292) installed on one side of the rotating jacket assembly (22) and the feed assembly, and the bed (1) being arranged as a whole in a protective shell (5); the rotating jacket assembly (22) comprises a movable top block (221) installed on the slider (242), a main drill sleeve being installed in the movable top block (221) The main drill sleeve seat (222) is rotatably mounted with a secondary drill sleeve seat (223) inside the main drill sleeve seat (222), a bearing is arranged between the main drill sleeve seat and the secondary drill sleeve seat (223), an elastic chuck (224) is arranged inside the secondary drill sleeve seat (223), and a clamping piece (225) is fixed at one end of the elastic chuck (224) opposite to the workpiece clamping assembly (23), a pressure cover (226) is arranged between one end of the main drill sleeve seat (222) and the secondary drill sleeve seat (223) close to the workpiece clamping assembly (23), and a tail pressure (227) is arranged at the other end, a drill sleeve core (228) is arranged inside the elastic chuck (224), and a chip discharger is arranged at one end of the movable top block (221) away from the workpiece clamping assembly (23). The guide sleeve (28) is provided with an observation port on the top of the chip guide sleeve (28) and is closed by a card (281); the chip guide sleeve (28) is provided with a chip discharge port on the bottom; first chip guide plates (282) are installed on both sides of the chip discharge port; a through hole for a gun drill to pass through is provided at the center of the end of the chip guide sleeve (28); a rubber sleeve (283) is provided between the through hole and the gun drill; the workpiece clamping assembly (23) comprises a power shaft seat (231) installed on the bed (1); a driving spindle housing (232) is installed in the power shaft seat (231); an inner bearing spacer (233) is rotatably installed in the driving spindle housing (232); a bearing is provided between the driving spindle housing (232) and the inner bearing spacer (233);A driving spindle core (234) is installed in the inner bearing spacer (233), a tightening cone sleeve (235) is installed at the end of the driving spindle core (234) opposite to the rotating sleeve assembly (22), a front pressure cover (236) opposite to the tightening cone sleeve (235) is installed between the driving spindle core (234) and the power shaft seat (231), a middle spacer (237) and a locking nut (238) are installed on the outer sleeve of the driving spindle core (234), a tail stop (239) is arranged between the end of the power shaft seat (231) away from the rotating sleeve assembly (22) and the driving spindle housing (232), and the rotating drive assembly (25) includes a main synchronous wheel (251) fixed at the end of the driving spindle core (234) The power shaft seat (231) is provided with a motor support plate (252) and a belt cover plate (253) for enclosing the main synchronous wheel (251). The motor support plate (252) is provided with a first drive motor (254) fixed on the outside. The output end of the first drive motor (254) extends into the motor support plate (252) and is fixed with a secondary synchronous wheel (255). A transmission belt (256) is sleeved between the main synchronous wheel (251) and the secondary synchronous wheel (255). The cylinder drive mechanism (27) comprises a thin cylinder (271) fixed on the power shaft seat (231). The output end of the thin cylinder (271) faces the rotating jacket assembly (22) and is fixed with a pull rod (272). The pull rod ( A cylinder pull block (273) is fixed on the bed (272), and the cylinder pull block (273) is fixedly connected to the movable top block (221) by bolts; the chip removal device (6) includes a lower shell (62) arranged below the bed (1), one end of the lower shell (62) is connected to the upper shell (64) through an inclined shell (63), a belt transmission mechanism (65) is arranged between the lower shell (62), the inclined shell (63) and the upper shell (64), the inner side of the lower shell (62) is divided into a debris collection chamber (661) and a coolant collection chamber (662) by an isolation plate (66), and a plurality of collection ports (663) connected to the coolant collection chamber (662) are opened on both sides of the isolation plate (66), and the A three-phase electric pump (67) and a liquid level meter (68) are installed on the lower shell (62) and are symmetrically arranged relative to the coolant collection chamber (662); a plurality of chip removal openings (69) are opened on the bed (1); a chip guide opening (691) whose width gradually decreases from top to bottom is arranged below the chip removal opening (69); the upper opening of the chip collection chamber (661) of the lower shell (62) is opposite to the lower end of the chip guide opening (691); the upper opening of the chip collection chamber (661) of the lower shell (62) is circumferentially surrounded by an inclined second chip guide plate (621); a gap is left between the lower end of the second chip guide plate (621) and the inner wall of the chip collection chamber (661); a partition frame (622) is arranged in the lower shell (62);The lower shell (62) is provided with a socket (623) arranged on one side of the upper end of the partition frame (622), a filter plate (624) covering the frame opening of the partition frame (622) is inserted into the socket (623), the collecting port (663) is covered with a debris filter net (667), and the lower shell (62) is provided with outwardly extending sub-shells (666) on both sides of one end close to the inclined shell (63), the three-phase electric pump (67) and the liquid level meter (68) are respectively mounted on the sub-shells (666), a plurality of universal wheels and supporting feet are fixed below the lower shell (62), L-shaped supporting bars (664) are provided on both sides above the debris collection chamber (661), the supporting bars (664) extend along the axial direction of the debris collection chamber (661), and C-shaped reinforcing ribs (665) are provided below the debris collection chamber (661), the reinforcing ribs (665) are fitted to the bottom of the debris collection chamber (661), and the reinforcing ribs (665) are provided to the bottom of the debris collection chamber (661). 665) are fixed to the inner side of the cooling liquid collecting chamber (662), the liquid level meter (68) comprises a vertically arranged liquid level frame (681), the liquid level frame (681) is provided with a liquid level rod (682) which can be raised and lowered relative to the liquid level frame, the liquid level rod (682) is fixed with a liquid level block (683) in the middle and a liquid level float (684) at the lower end, the liquid level float (684) is arranged in the cooling liquid collecting chamber (662), the belt transmission mechanism (65) comprises a second driving motor (651) fixed above the upper shell (64), the second driving motor (651) is connected to a transmission pulley (653) rotatably connected to the upper shell (64) through a pulley transmission mechanism (652), the transmission pulley (653) is covered with a transmission belt (654), and the transmission belt (654) extends through the inclined shell (63) to the lower shell (62).

2. The horizontal multi-axis deep hole drilling machine according to claim 1, characterized in that: The feed assembly comprises a feed plate mounted on a slide block (242), a tool holder clamp seat is fixed above the feed plate, a fixing hole for fixing a gun drill is opened on the tool holder clamp seat, an adjustment handle is rotatably connected above the tool holder clamp seat and is opposite to the gun drill in the fixing hole, the screw drive mechanism (26) comprises a transmission pad (261) mounted above the bed (1), a reducer mounting plate (262) vertically arranged is mounted on the transmission pad (261), and a screw motor (263) is mounted on the reducer mounting plate (262). ) and a reducer (264), the output end of the reducer (264) being connected to a transmission screw (266) via a coupling (265), a bearing seat (267) for the transmission screw (266) to pass through being installed on the transmission cushion block (261), the other end of the transmission screw (266) being connected to a bearing bracket (268) fixed on the bed (1), a screw nut (269) being threadedly connected to the transmission screw (266), and the screw nut (269) being fixedly connected to the feed plate via a screw nut seat body (2691).

3. The horizontal multi-axis deep hole drilling machine according to claim 1, characterized in that: The coolant filtering and recovering mechanism (7) comprises a cooling oil tank (71), wherein the cooling oil tank (71) is provided with a main cavity (711) and a sub-cavity (712) which are interconnected, a liquid pump assembly (72) and an air-cooled oil cooler (73) connected to the liquid pump assembly (72) are installed above the main cavity (711), a magnetic rod (74) is inserted into the main cavity (711), a bag filter (75) and an electric pump (76) connected to the bag filter (75) are installed above the sub-cavity (712), and a cavity liquid level gauge (77) is provided in the sub-cavity (712).

4. The horizontal multi-axis deep hole drilling machine according to claim 3, characterized in that: The upper opening of the main cavity (711) is closed by an oil suction cover plate (713) and a cooling motor mounting plate (714); the liquid pump assembly (72) is fixed on the cooling motor mounting plate (714); the magnetic rod (74) is plugged and fixed on the oil suction cover plate (713); the middle of the cooling motor mounting plate (714) has a raised plate (715) that fits and fixes with the liquid pump assembly (72); the oil suction cover plates (713) are symmetrically arranged and have oil suction holes (716) opened between them. ), the oil suction cover plate (713) and the cooling motor mounting plate (714) are provided with heat dissipation holes (717) arranged in a matrix, the liquid pump assembly (72) comprises an asynchronous motor (721) mounted on the cooling motor mounting plate (714), the output end of the asynchronous motor (721) is connected to a gear pump (722), the gear pump (722) is equipped with an oil separator (723), the upper opening of the auxiliary cavity (712) is closed by an oil tank cover plate (719), The bag filter (75), the electric pump (76) and the cavity liquid level gauge (77) are mounted on the oil tank cover (719); a bell-shaped sleeve (724) is provided on the outer side between the asynchronous motor (721) and the gear pump (722); an opening is provided on the side of the bell-shaped sleeve (724) opposite to the output end of the asynchronous motor (721); a cooling frame (78) is installed above the main cavity (711) of the cooling oil tank (71); and the liquid pump assembly (72) is arranged on the cooling The air-cooled oil cooler (73) is installed between the oil tank (71) and the cooling frame (78) above the cooling frame (78), the fan of the air-cooled oil cooler (73) is arranged at the top and the air outlet at the bottom is opposite to the liquid pump assembly (72), the inlet and outlet of the air-cooled oil cooler (73) are respectively fixed with threaded short joints (731), and the cooling oil tank (71) is provided with an oil outlet (718) below, which is connected with the internal main cavity (711) and the auxiliary cavity (712).

5. The horizontal multi-axis deep hole drilling machine according to claim 1, characterized in that: The feeding mechanism (3) comprises a feeding frame (31), a workpiece conveyor belt (32) and a material receiving frame (321) arranged at one end of the workpiece conveyor belt (32) are installed above the feeding frame (31), a transmission motor (33) is installed on the feeding frame (31), and the transmission motor (33) is connected to the workpiece conveyor belt (32) through a pulley drive (331), a guardrail (322) is arranged around the top of the workpiece conveyor belt (32), and a relative push plate (341) and a top block (342) are installed on the feeding frame (31) through a vertical lifting mechanism (34), and mutually plugged feeding lifting limit columns are arranged between the push plate (341) and the top block (342) and the feeding frame (31). (343) and a feed lifting limit seat (344), a horizontal moving mechanism (35) is arranged between the push plate (341) and the vertical lifting mechanism (34), a limit side plate (361) arranged on both sides of the push plate (341) and the top block (342) is installed above the feed frame (31) through a slider assembly (36), the push plate (341) is provided with a plurality of limit notches (362) opposite to the workpiece, the top block (342) is provided with a receiving notch (364) opposite to the receiving plate (363) obliquely arranged on the inner side of the limit side plate (361), and an adjustment plate (365) with a limit notch (362) on the upper side and arranged on one side of the push plate (341) is arranged on the inner side of the limit side plate (361).

6. The horizontal multi-axis deep hole drilling machine according to claim 1, characterized in that: The material changing mechanism (4) comprises support columns (41) fixed on both sides above the bed (1), support plates (42) being fixed between the tops of the support columns (41), a material changing rack (44) being connected to the bottom of the support plates (42) via a bottom pad (43), a material changing seat (46) being connected to the bottom and side of the material changing rack (44) via a slider guide rail (45), a gear rack driving mechanism (47) being arranged between the material changing seat (46) and the material changing rack (44), a lifting plate (461) being connected to the material changing seat (46) via a vertically arranged material changing cylinder (48), a material changing lifting limit column (462) and a material changing lifting limit seat (463) being arranged between the lifting plate (461) and the material changing seat (46), a plurality of pneumatic clamps (49) being fixed to the bottom of the lifting plate (461), and one side of the material changing seat (46) being connected to the outer cavity drag plate via an outer cavity drag chain.

Images